| /* |
| * tg3.c: Broadcom Tigon3 ethernet driver. |
| * |
| * Copyright (C) 2001, 2002, 2003, 2004 David S. Miller (davem@redhat.com) |
| * Copyright (C) 2001, 2002, 2003 Jeff Garzik (jgarzik@pobox.com) |
| * Copyright (C) 2004 Sun Microsystems Inc. |
| * Copyright (C) 2005-2011 Broadcom Corporation. |
| * |
| * Firmware is: |
| * Derived from proprietary unpublished source code, |
| * Copyright (C) 2000-2003 Broadcom Corporation. |
| * |
| * Permission is hereby granted for the distribution of this firmware |
| * data in hexadecimal or equivalent format, provided this copyright |
| * notice is accompanying it. |
| */ |
| |
| |
| #include <linux/module.h> |
| #include <linux/moduleparam.h> |
| #include <linux/stringify.h> |
| #include <linux/kernel.h> |
| #include <linux/types.h> |
| #include <linux/compiler.h> |
| #include <linux/slab.h> |
| #include <linux/delay.h> |
| #include <linux/in.h> |
| #include <linux/init.h> |
| #include <linux/ioport.h> |
| #include <linux/pci.h> |
| #include <linux/netdevice.h> |
| #include <linux/etherdevice.h> |
| #include <linux/skbuff.h> |
| #include <linux/ethtool.h> |
| #include <linux/mdio.h> |
| #include <linux/mii.h> |
| #include <linux/phy.h> |
| #include <linux/brcmphy.h> |
| #include <linux/if_vlan.h> |
| #include <linux/ip.h> |
| #include <linux/tcp.h> |
| #include <linux/workqueue.h> |
| #include <linux/prefetch.h> |
| #include <linux/dma-mapping.h> |
| #include <linux/firmware.h> |
| |
| #include <net/checksum.h> |
| #include <net/ip.h> |
| |
| #include <asm/system.h> |
| #include <linux/io.h> |
| #include <asm/byteorder.h> |
| #include <linux/uaccess.h> |
| |
| #ifdef CONFIG_SPARC |
| #include <asm/idprom.h> |
| #include <asm/prom.h> |
| #endif |
| |
| #define BAR_0 0 |
| #define BAR_2 2 |
| |
| #include "tg3.h" |
| |
| /* Functions & macros to verify TG3_FLAGS types */ |
| |
| static inline int _tg3_flag(enum TG3_FLAGS flag, unsigned long *bits) |
| { |
| return test_bit(flag, bits); |
| } |
| |
| static inline void _tg3_flag_set(enum TG3_FLAGS flag, unsigned long *bits) |
| { |
| set_bit(flag, bits); |
| } |
| |
| static inline void _tg3_flag_clear(enum TG3_FLAGS flag, unsigned long *bits) |
| { |
| clear_bit(flag, bits); |
| } |
| |
| #define tg3_flag(tp, flag) \ |
| _tg3_flag(TG3_FLAG_##flag, (tp)->tg3_flags) |
| #define tg3_flag_set(tp, flag) \ |
| _tg3_flag_set(TG3_FLAG_##flag, (tp)->tg3_flags) |
| #define tg3_flag_clear(tp, flag) \ |
| _tg3_flag_clear(TG3_FLAG_##flag, (tp)->tg3_flags) |
| |
| #define DRV_MODULE_NAME "tg3" |
| #define TG3_MAJ_NUM 3 |
| #define TG3_MIN_NUM 118 |
| #define DRV_MODULE_VERSION \ |
| __stringify(TG3_MAJ_NUM) "." __stringify(TG3_MIN_NUM) |
| #define DRV_MODULE_RELDATE "April 22, 2011" |
| |
| #define TG3_DEF_MAC_MODE 0 |
| #define TG3_DEF_RX_MODE 0 |
| #define TG3_DEF_TX_MODE 0 |
| #define TG3_DEF_MSG_ENABLE \ |
| (NETIF_MSG_DRV | \ |
| NETIF_MSG_PROBE | \ |
| NETIF_MSG_LINK | \ |
| NETIF_MSG_TIMER | \ |
| NETIF_MSG_IFDOWN | \ |
| NETIF_MSG_IFUP | \ |
| NETIF_MSG_RX_ERR | \ |
| NETIF_MSG_TX_ERR) |
| |
| /* length of time before we decide the hardware is borked, |
| * and dev->tx_timeout() should be called to fix the problem |
| */ |
| |
| #define TG3_TX_TIMEOUT (5 * HZ) |
| |
| /* hardware minimum and maximum for a single frame's data payload */ |
| #define TG3_MIN_MTU 60 |
| #define TG3_MAX_MTU(tp) \ |
| (tg3_flag(tp, JUMBO_CAPABLE) ? 9000 : 1500) |
| |
| /* These numbers seem to be hard coded in the NIC firmware somehow. |
| * You can't change the ring sizes, but you can change where you place |
| * them in the NIC onboard memory. |
| */ |
| #define TG3_RX_STD_RING_SIZE(tp) \ |
| (tg3_flag(tp, LRG_PROD_RING_CAP) ? \ |
| TG3_RX_STD_MAX_SIZE_5717 : TG3_RX_STD_MAX_SIZE_5700) |
| #define TG3_DEF_RX_RING_PENDING 200 |
| #define TG3_RX_JMB_RING_SIZE(tp) \ |
| (tg3_flag(tp, LRG_PROD_RING_CAP) ? \ |
| TG3_RX_JMB_MAX_SIZE_5717 : TG3_RX_JMB_MAX_SIZE_5700) |
| #define TG3_DEF_RX_JUMBO_RING_PENDING 100 |
| #define TG3_RSS_INDIR_TBL_SIZE 128 |
| |
| /* Do not place this n-ring entries value into the tp struct itself, |
| * we really want to expose these constants to GCC so that modulo et |
| * al. operations are done with shifts and masks instead of with |
| * hw multiply/modulo instructions. Another solution would be to |
| * replace things like '% foo' with '& (foo - 1)'. |
| */ |
| |
| #define TG3_TX_RING_SIZE 512 |
| #define TG3_DEF_TX_RING_PENDING (TG3_TX_RING_SIZE - 1) |
| |
| #define TG3_RX_STD_RING_BYTES(tp) \ |
| (sizeof(struct tg3_rx_buffer_desc) * TG3_RX_STD_RING_SIZE(tp)) |
| #define TG3_RX_JMB_RING_BYTES(tp) \ |
| (sizeof(struct tg3_ext_rx_buffer_desc) * TG3_RX_JMB_RING_SIZE(tp)) |
| #define TG3_RX_RCB_RING_BYTES(tp) \ |
| (sizeof(struct tg3_rx_buffer_desc) * (tp->rx_ret_ring_mask + 1)) |
| #define TG3_TX_RING_BYTES (sizeof(struct tg3_tx_buffer_desc) * \ |
| TG3_TX_RING_SIZE) |
| #define NEXT_TX(N) (((N) + 1) & (TG3_TX_RING_SIZE - 1)) |
| |
| #define TG3_DMA_BYTE_ENAB 64 |
| |
| #define TG3_RX_STD_DMA_SZ 1536 |
| #define TG3_RX_JMB_DMA_SZ 9046 |
| |
| #define TG3_RX_DMA_TO_MAP_SZ(x) ((x) + TG3_DMA_BYTE_ENAB) |
| |
| #define TG3_RX_STD_MAP_SZ TG3_RX_DMA_TO_MAP_SZ(TG3_RX_STD_DMA_SZ) |
| #define TG3_RX_JMB_MAP_SZ TG3_RX_DMA_TO_MAP_SZ(TG3_RX_JMB_DMA_SZ) |
| |
| #define TG3_RX_STD_BUFF_RING_SIZE(tp) \ |
| (sizeof(struct ring_info) * TG3_RX_STD_RING_SIZE(tp)) |
| |
| #define TG3_RX_JMB_BUFF_RING_SIZE(tp) \ |
| (sizeof(struct ring_info) * TG3_RX_JMB_RING_SIZE(tp)) |
| |
| /* Due to a hardware bug, the 5701 can only DMA to memory addresses |
| * that are at least dword aligned when used in PCIX mode. The driver |
| * works around this bug by double copying the packet. This workaround |
| * is built into the normal double copy length check for efficiency. |
| * |
| * However, the double copy is only necessary on those architectures |
| * where unaligned memory accesses are inefficient. For those architectures |
| * where unaligned memory accesses incur little penalty, we can reintegrate |
| * the 5701 in the normal rx path. Doing so saves a device structure |
| * dereference by hardcoding the double copy threshold in place. |
| */ |
| #define TG3_RX_COPY_THRESHOLD 256 |
| #if NET_IP_ALIGN == 0 || defined(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS) |
| #define TG3_RX_COPY_THRESH(tp) TG3_RX_COPY_THRESHOLD |
| #else |
| #define TG3_RX_COPY_THRESH(tp) ((tp)->rx_copy_thresh) |
| #endif |
| |
| /* minimum number of free TX descriptors required to wake up TX process */ |
| #define TG3_TX_WAKEUP_THRESH(tnapi) ((tnapi)->tx_pending / 4) |
| |
| #define TG3_RAW_IP_ALIGN 2 |
| |
| #define TG3_FW_UPDATE_TIMEOUT_SEC 5 |
| |
| #define FIRMWARE_TG3 "tigon/tg3.bin" |
| #define FIRMWARE_TG3TSO "tigon/tg3_tso.bin" |
| #define FIRMWARE_TG3TSO5 "tigon/tg3_tso5.bin" |
| |
| static char version[] __devinitdata = |
| DRV_MODULE_NAME ".c:v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")"; |
| |
| MODULE_AUTHOR("David S. Miller (davem@redhat.com) and Jeff Garzik (jgarzik@pobox.com)"); |
| MODULE_DESCRIPTION("Broadcom Tigon3 ethernet driver"); |
| MODULE_LICENSE("GPL"); |
| MODULE_VERSION(DRV_MODULE_VERSION); |
| MODULE_FIRMWARE(FIRMWARE_TG3); |
| MODULE_FIRMWARE(FIRMWARE_TG3TSO); |
| MODULE_FIRMWARE(FIRMWARE_TG3TSO5); |
| |
| static int tg3_debug = -1; /* -1 == use TG3_DEF_MSG_ENABLE as value */ |
| module_param(tg3_debug, int, 0); |
| MODULE_PARM_DESC(tg3_debug, "Tigon3 bitmapped debugging message enable value"); |
| |
| static DEFINE_PCI_DEVICE_TABLE(tg3_pci_tbl) = { |
| {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5700)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5701)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702FE)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705_2)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705M)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705M_2)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702X)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703X)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704S)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5702A3)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5703A3)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5782)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5788)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5789)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5901)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5901_2)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5704S_2)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705F)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5721)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5722)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751M)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751F)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5752)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5752M)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753M)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5753F)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5754)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5754M)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5755)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5755M)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5756)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5786)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787M)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787F)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5714)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5714S)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5715)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5715S)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780S)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5781)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5906)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5906M)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5784)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5764)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5723)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5761)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5761E)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5761S)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5761SE)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5785_G)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5785_F)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57780)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57760)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57790)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57788)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5717)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5718)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57781)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57785)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57761)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57765)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57791)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57795)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5719)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5720)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9DXX)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9MXX)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1000)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1001)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1003)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC9100)}, |
| {PCI_DEVICE(PCI_VENDOR_ID_APPLE, PCI_DEVICE_ID_APPLE_TIGON3)}, |
| {} |
| }; |
| |
| MODULE_DEVICE_TABLE(pci, tg3_pci_tbl); |
| |
| static const struct { |
| const char string[ETH_GSTRING_LEN]; |
| } ethtool_stats_keys[] = { |
| { "rx_octets" }, |
| { "rx_fragments" }, |
| { "rx_ucast_packets" }, |
| { "rx_mcast_packets" }, |
| { "rx_bcast_packets" }, |
| { "rx_fcs_errors" }, |
| { "rx_align_errors" }, |
| { "rx_xon_pause_rcvd" }, |
| { "rx_xoff_pause_rcvd" }, |
| { "rx_mac_ctrl_rcvd" }, |
| { "rx_xoff_entered" }, |
| { "rx_frame_too_long_errors" }, |
| { "rx_jabbers" }, |
| { "rx_undersize_packets" }, |
| { "rx_in_length_errors" }, |
| { "rx_out_length_errors" }, |
| { "rx_64_or_less_octet_packets" }, |
| { "rx_65_to_127_octet_packets" }, |
| { "rx_128_to_255_octet_packets" }, |
| { "rx_256_to_511_octet_packets" }, |
| { "rx_512_to_1023_octet_packets" }, |
| { "rx_1024_to_1522_octet_packets" }, |
| { "rx_1523_to_2047_octet_packets" }, |
| { "rx_2048_to_4095_octet_packets" }, |
| { "rx_4096_to_8191_octet_packets" }, |
| { "rx_8192_to_9022_octet_packets" }, |
| |
| { "tx_octets" }, |
| { "tx_collisions" }, |
| |
| { "tx_xon_sent" }, |
| { "tx_xoff_sent" }, |
| { "tx_flow_control" }, |
| { "tx_mac_errors" }, |
| { "tx_single_collisions" }, |
| { "tx_mult_collisions" }, |
| { "tx_deferred" }, |
| { "tx_excessive_collisions" }, |
| { "tx_late_collisions" }, |
| { "tx_collide_2times" }, |
| { "tx_collide_3times" }, |
| { "tx_collide_4times" }, |
| { "tx_collide_5times" }, |
| { "tx_collide_6times" }, |
| { "tx_collide_7times" }, |
| { "tx_collide_8times" }, |
| { "tx_collide_9times" }, |
| { "tx_collide_10times" }, |
| { "tx_collide_11times" }, |
| { "tx_collide_12times" }, |
| { "tx_collide_13times" }, |
| { "tx_collide_14times" }, |
| { "tx_collide_15times" }, |
| { "tx_ucast_packets" }, |
| { "tx_mcast_packets" }, |
| { "tx_bcast_packets" }, |
| { "tx_carrier_sense_errors" }, |
| { "tx_discards" }, |
| { "tx_errors" }, |
| |
| { "dma_writeq_full" }, |
| { "dma_write_prioq_full" }, |
| { "rxbds_empty" }, |
| { "rx_discards" }, |
| { "mbuf_lwm_thresh_hit" }, |
| { "rx_errors" }, |
| { "rx_threshold_hit" }, |
| |
| { "dma_readq_full" }, |
| { "dma_read_prioq_full" }, |
| { "tx_comp_queue_full" }, |
| |
| { "ring_set_send_prod_index" }, |
| { "ring_status_update" }, |
| { "nic_irqs" }, |
| { "nic_avoided_irqs" }, |
| { "nic_tx_threshold_hit" } |
| }; |
| |
| #define TG3_NUM_STATS ARRAY_SIZE(ethtool_stats_keys) |
| |
| |
| static const struct { |
| const char string[ETH_GSTRING_LEN]; |
| } ethtool_test_keys[] = { |
| { "nvram test (online) " }, |
| { "link test (online) " }, |
| { "register test (offline)" }, |
| { "memory test (offline)" }, |
| { "loopback test (offline)" }, |
| { "interrupt test (offline)" }, |
| }; |
| |
| #define TG3_NUM_TEST ARRAY_SIZE(ethtool_test_keys) |
| |
| |
| static void tg3_write32(struct tg3 *tp, u32 off, u32 val) |
| { |
| writel(val, tp->regs + off); |
| } |
| |
| static u32 tg3_read32(struct tg3 *tp, u32 off) |
| { |
| return readl(tp->regs + off); |
| } |
| |
| static void tg3_ape_write32(struct tg3 *tp, u32 off, u32 val) |
| { |
| writel(val, tp->aperegs + off); |
| } |
| |
| static u32 tg3_ape_read32(struct tg3 *tp, u32 off) |
| { |
| return readl(tp->aperegs + off); |
| } |
| |
| static void tg3_write_indirect_reg32(struct tg3 *tp, u32 off, u32 val) |
| { |
| unsigned long flags; |
| |
| spin_lock_irqsave(&tp->indirect_lock, flags); |
| pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off); |
| pci_write_config_dword(tp->pdev, TG3PCI_REG_DATA, val); |
| spin_unlock_irqrestore(&tp->indirect_lock, flags); |
| } |
| |
| static void tg3_write_flush_reg32(struct tg3 *tp, u32 off, u32 val) |
| { |
| writel(val, tp->regs + off); |
| readl(tp->regs + off); |
| } |
| |
| static u32 tg3_read_indirect_reg32(struct tg3 *tp, u32 off) |
| { |
| unsigned long flags; |
| u32 val; |
| |
| spin_lock_irqsave(&tp->indirect_lock, flags); |
| pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off); |
| pci_read_config_dword(tp->pdev, TG3PCI_REG_DATA, &val); |
| spin_unlock_irqrestore(&tp->indirect_lock, flags); |
| return val; |
| } |
| |
| static void tg3_write_indirect_mbox(struct tg3 *tp, u32 off, u32 val) |
| { |
| unsigned long flags; |
| |
| if (off == (MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW)) { |
| pci_write_config_dword(tp->pdev, TG3PCI_RCV_RET_RING_CON_IDX + |
| TG3_64BIT_REG_LOW, val); |
| return; |
| } |
| if (off == TG3_RX_STD_PROD_IDX_REG) { |
| pci_write_config_dword(tp->pdev, TG3PCI_STD_RING_PROD_IDX + |
| TG3_64BIT_REG_LOW, val); |
| return; |
| } |
| |
| spin_lock_irqsave(&tp->indirect_lock, flags); |
| pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off + 0x5600); |
| pci_write_config_dword(tp->pdev, TG3PCI_REG_DATA, val); |
| spin_unlock_irqrestore(&tp->indirect_lock, flags); |
| |
| /* In indirect mode when disabling interrupts, we also need |
| * to clear the interrupt bit in the GRC local ctrl register. |
| */ |
| if ((off == (MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW)) && |
| (val == 0x1)) { |
| pci_write_config_dword(tp->pdev, TG3PCI_MISC_LOCAL_CTRL, |
| tp->grc_local_ctrl|GRC_LCLCTRL_CLEARINT); |
| } |
| } |
| |
| static u32 tg3_read_indirect_mbox(struct tg3 *tp, u32 off) |
| { |
| unsigned long flags; |
| u32 val; |
| |
| spin_lock_irqsave(&tp->indirect_lock, flags); |
| pci_write_config_dword(tp->pdev, TG3PCI_REG_BASE_ADDR, off + 0x5600); |
| pci_read_config_dword(tp->pdev, TG3PCI_REG_DATA, &val); |
| spin_unlock_irqrestore(&tp->indirect_lock, flags); |
| return val; |
| } |
| |
| /* usec_wait specifies the wait time in usec when writing to certain registers |
| * where it is unsafe to read back the register without some delay. |
| * GRC_LOCAL_CTRL is one example if the GPIOs are toggled to switch power. |
| * TG3PCI_CLOCK_CTRL is another example if the clock frequencies are changed. |
| */ |
| static void _tw32_flush(struct tg3 *tp, u32 off, u32 val, u32 usec_wait) |
| { |
| if (tg3_flag(tp, PCIX_TARGET_HWBUG) || tg3_flag(tp, ICH_WORKAROUND)) |
| /* Non-posted methods */ |
| tp->write32(tp, off, val); |
| else { |
| /* Posted method */ |
| tg3_write32(tp, off, val); |
| if (usec_wait) |
| udelay(usec_wait); |
| tp->read32(tp, off); |
| } |
| /* Wait again after the read for the posted method to guarantee that |
| * the wait time is met. |
| */ |
| if (usec_wait) |
| udelay(usec_wait); |
| } |
| |
| static inline void tw32_mailbox_flush(struct tg3 *tp, u32 off, u32 val) |
| { |
| tp->write32_mbox(tp, off, val); |
| if (!tg3_flag(tp, MBOX_WRITE_REORDER) && !tg3_flag(tp, ICH_WORKAROUND)) |
| tp->read32_mbox(tp, off); |
| } |
| |
| static void tg3_write32_tx_mbox(struct tg3 *tp, u32 off, u32 val) |
| { |
| void __iomem *mbox = tp->regs + off; |
| writel(val, mbox); |
| if (tg3_flag(tp, TXD_MBOX_HWBUG)) |
| writel(val, mbox); |
| if (tg3_flag(tp, MBOX_WRITE_REORDER)) |
| readl(mbox); |
| } |
| |
| static u32 tg3_read32_mbox_5906(struct tg3 *tp, u32 off) |
| { |
| return readl(tp->regs + off + GRCMBOX_BASE); |
| } |
| |
| static void tg3_write32_mbox_5906(struct tg3 *tp, u32 off, u32 val) |
| { |
| writel(val, tp->regs + off + GRCMBOX_BASE); |
| } |
| |
| #define tw32_mailbox(reg, val) tp->write32_mbox(tp, reg, val) |
| #define tw32_mailbox_f(reg, val) tw32_mailbox_flush(tp, (reg), (val)) |
| #define tw32_rx_mbox(reg, val) tp->write32_rx_mbox(tp, reg, val) |
| #define tw32_tx_mbox(reg, val) tp->write32_tx_mbox(tp, reg, val) |
| #define tr32_mailbox(reg) tp->read32_mbox(tp, reg) |
| |
| #define tw32(reg, val) tp->write32(tp, reg, val) |
| #define tw32_f(reg, val) _tw32_flush(tp, (reg), (val), 0) |
| #define tw32_wait_f(reg, val, us) _tw32_flush(tp, (reg), (val), (us)) |
| #define tr32(reg) tp->read32(tp, reg) |
| |
| static void tg3_write_mem(struct tg3 *tp, u32 off, u32 val) |
| { |
| unsigned long flags; |
| |
| if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) && |
| (off >= NIC_SRAM_STATS_BLK) && (off < NIC_SRAM_TX_BUFFER_DESC)) |
| return; |
| |
| spin_lock_irqsave(&tp->indirect_lock, flags); |
| if (tg3_flag(tp, SRAM_USE_CONFIG)) { |
| pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, off); |
| pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val); |
| |
| /* Always leave this as zero. */ |
| pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0); |
| } else { |
| tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, off); |
| tw32_f(TG3PCI_MEM_WIN_DATA, val); |
| |
| /* Always leave this as zero. */ |
| tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, 0); |
| } |
| spin_unlock_irqrestore(&tp->indirect_lock, flags); |
| } |
| |
| static void tg3_read_mem(struct tg3 *tp, u32 off, u32 *val) |
| { |
| unsigned long flags; |
| |
| if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) && |
| (off >= NIC_SRAM_STATS_BLK) && (off < NIC_SRAM_TX_BUFFER_DESC)) { |
| *val = 0; |
| return; |
| } |
| |
| spin_lock_irqsave(&tp->indirect_lock, flags); |
| if (tg3_flag(tp, SRAM_USE_CONFIG)) { |
| pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, off); |
| pci_read_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val); |
| |
| /* Always leave this as zero. */ |
| pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0); |
| } else { |
| tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, off); |
| *val = tr32(TG3PCI_MEM_WIN_DATA); |
| |
| /* Always leave this as zero. */ |
| tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, 0); |
| } |
| spin_unlock_irqrestore(&tp->indirect_lock, flags); |
| } |
| |
| static void tg3_ape_lock_init(struct tg3 *tp) |
| { |
| int i; |
| u32 regbase; |
| |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761) |
| regbase = TG3_APE_LOCK_GRANT; |
| else |
| regbase = TG3_APE_PER_LOCK_GRANT; |
| |
| /* Make sure the driver hasn't any stale locks. */ |
| for (i = 0; i < 8; i++) |
| tg3_ape_write32(tp, regbase + 4 * i, APE_LOCK_GRANT_DRIVER); |
| } |
| |
| static int tg3_ape_lock(struct tg3 *tp, int locknum) |
| { |
| int i, off; |
| int ret = 0; |
| u32 status, req, gnt; |
| |
| if (!tg3_flag(tp, ENABLE_APE)) |
| return 0; |
| |
| switch (locknum) { |
| case TG3_APE_LOCK_GRC: |
| case TG3_APE_LOCK_MEM: |
| break; |
| default: |
| return -EINVAL; |
| } |
| |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761) { |
| req = TG3_APE_LOCK_REQ; |
| gnt = TG3_APE_LOCK_GRANT; |
| } else { |
| req = TG3_APE_PER_LOCK_REQ; |
| gnt = TG3_APE_PER_LOCK_GRANT; |
| } |
| |
| off = 4 * locknum; |
| |
| tg3_ape_write32(tp, req + off, APE_LOCK_REQ_DRIVER); |
| |
| /* Wait for up to 1 millisecond to acquire lock. */ |
| for (i = 0; i < 100; i++) { |
| status = tg3_ape_read32(tp, gnt + off); |
| if (status == APE_LOCK_GRANT_DRIVER) |
| break; |
| udelay(10); |
| } |
| |
| if (status != APE_LOCK_GRANT_DRIVER) { |
| /* Revoke the lock request. */ |
| tg3_ape_write32(tp, gnt + off, |
| APE_LOCK_GRANT_DRIVER); |
| |
| ret = -EBUSY; |
| } |
| |
| return ret; |
| } |
| |
| static void tg3_ape_unlock(struct tg3 *tp, int locknum) |
| { |
| u32 gnt; |
| |
| if (!tg3_flag(tp, ENABLE_APE)) |
| return; |
| |
| switch (locknum) { |
| case TG3_APE_LOCK_GRC: |
| case TG3_APE_LOCK_MEM: |
| break; |
| default: |
| return; |
| } |
| |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761) |
| gnt = TG3_APE_LOCK_GRANT; |
| else |
| gnt = TG3_APE_PER_LOCK_GRANT; |
| |
| tg3_ape_write32(tp, gnt + 4 * locknum, APE_LOCK_GRANT_DRIVER); |
| } |
| |
| static void tg3_disable_ints(struct tg3 *tp) |
| { |
| int i; |
| |
| tw32(TG3PCI_MISC_HOST_CTRL, |
| (tp->misc_host_ctrl | MISC_HOST_CTRL_MASK_PCI_INT)); |
| for (i = 0; i < tp->irq_max; i++) |
| tw32_mailbox_f(tp->napi[i].int_mbox, 0x00000001); |
| } |
| |
| static void tg3_enable_ints(struct tg3 *tp) |
| { |
| int i; |
| |
| tp->irq_sync = 0; |
| wmb(); |
| |
| tw32(TG3PCI_MISC_HOST_CTRL, |
| (tp->misc_host_ctrl & ~MISC_HOST_CTRL_MASK_PCI_INT)); |
| |
| tp->coal_now = tp->coalesce_mode | HOSTCC_MODE_ENABLE; |
| for (i = 0; i < tp->irq_cnt; i++) { |
| struct tg3_napi *tnapi = &tp->napi[i]; |
| |
| tw32_mailbox_f(tnapi->int_mbox, tnapi->last_tag << 24); |
| if (tg3_flag(tp, 1SHOT_MSI)) |
| tw32_mailbox_f(tnapi->int_mbox, tnapi->last_tag << 24); |
| |
| tp->coal_now |= tnapi->coal_now; |
| } |
| |
| /* Force an initial interrupt */ |
| if (!tg3_flag(tp, TAGGED_STATUS) && |
| (tp->napi[0].hw_status->status & SD_STATUS_UPDATED)) |
| tw32(GRC_LOCAL_CTRL, tp->grc_local_ctrl | GRC_LCLCTRL_SETINT); |
| else |
| tw32(HOSTCC_MODE, tp->coal_now); |
| |
| tp->coal_now &= ~(tp->napi[0].coal_now | tp->napi[1].coal_now); |
| } |
| |
| static inline unsigned int tg3_has_work(struct tg3_napi *tnapi) |
| { |
| struct tg3 *tp = tnapi->tp; |
| struct tg3_hw_status *sblk = tnapi->hw_status; |
| unsigned int work_exists = 0; |
| |
| /* check for phy events */ |
| if (!(tg3_flag(tp, USE_LINKCHG_REG) || tg3_flag(tp, POLL_SERDES))) { |
| if (sblk->status & SD_STATUS_LINK_CHG) |
| work_exists = 1; |
| } |
| /* check for RX/TX work to do */ |
| if (sblk->idx[0].tx_consumer != tnapi->tx_cons || |
| *(tnapi->rx_rcb_prod_idx) != tnapi->rx_rcb_ptr) |
| work_exists = 1; |
| |
| return work_exists; |
| } |
| |
| /* tg3_int_reenable |
| * similar to tg3_enable_ints, but it accurately determines whether there |
| * is new work pending and can return without flushing the PIO write |
| * which reenables interrupts |
| */ |
| static void tg3_int_reenable(struct tg3_napi *tnapi) |
| { |
| struct tg3 *tp = tnapi->tp; |
| |
| tw32_mailbox(tnapi->int_mbox, tnapi->last_tag << 24); |
| mmiowb(); |
| |
| /* When doing tagged status, this work check is unnecessary. |
| * The last_tag we write above tells the chip which piece of |
| * work we've completed. |
| */ |
| if (!tg3_flag(tp, TAGGED_STATUS) && tg3_has_work(tnapi)) |
| tw32(HOSTCC_MODE, tp->coalesce_mode | |
| HOSTCC_MODE_ENABLE | tnapi->coal_now); |
| } |
| |
| static void tg3_switch_clocks(struct tg3 *tp) |
| { |
| u32 clock_ctrl; |
| u32 orig_clock_ctrl; |
| |
| if (tg3_flag(tp, CPMU_PRESENT) || tg3_flag(tp, 5780_CLASS)) |
| return; |
| |
| clock_ctrl = tr32(TG3PCI_CLOCK_CTRL); |
| |
| orig_clock_ctrl = clock_ctrl; |
| clock_ctrl &= (CLOCK_CTRL_FORCE_CLKRUN | |
| CLOCK_CTRL_CLKRUN_OENABLE | |
| 0x1f); |
| tp->pci_clock_ctrl = clock_ctrl; |
| |
| if (tg3_flag(tp, 5705_PLUS)) { |
| if (orig_clock_ctrl & CLOCK_CTRL_625_CORE) { |
| tw32_wait_f(TG3PCI_CLOCK_CTRL, |
| clock_ctrl | CLOCK_CTRL_625_CORE, 40); |
| } |
| } else if ((orig_clock_ctrl & CLOCK_CTRL_44MHZ_CORE) != 0) { |
| tw32_wait_f(TG3PCI_CLOCK_CTRL, |
| clock_ctrl | |
| (CLOCK_CTRL_44MHZ_CORE | CLOCK_CTRL_ALTCLK), |
| 40); |
| tw32_wait_f(TG3PCI_CLOCK_CTRL, |
| clock_ctrl | (CLOCK_CTRL_ALTCLK), |
| 40); |
| } |
| tw32_wait_f(TG3PCI_CLOCK_CTRL, clock_ctrl, 40); |
| } |
| |
| #define PHY_BUSY_LOOPS 5000 |
| |
| static int tg3_readphy(struct tg3 *tp, int reg, u32 *val) |
| { |
| u32 frame_val; |
| unsigned int loops; |
| int ret; |
| |
| if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) { |
| tw32_f(MAC_MI_MODE, |
| (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL)); |
| udelay(80); |
| } |
| |
| *val = 0x0; |
| |
| frame_val = ((tp->phy_addr << MI_COM_PHY_ADDR_SHIFT) & |
| MI_COM_PHY_ADDR_MASK); |
| frame_val |= ((reg << MI_COM_REG_ADDR_SHIFT) & |
| MI_COM_REG_ADDR_MASK); |
| frame_val |= (MI_COM_CMD_READ | MI_COM_START); |
| |
| tw32_f(MAC_MI_COM, frame_val); |
| |
| loops = PHY_BUSY_LOOPS; |
| while (loops != 0) { |
| udelay(10); |
| frame_val = tr32(MAC_MI_COM); |
| |
| if ((frame_val & MI_COM_BUSY) == 0) { |
| udelay(5); |
| frame_val = tr32(MAC_MI_COM); |
| break; |
| } |
| loops -= 1; |
| } |
| |
| ret = -EBUSY; |
| if (loops != 0) { |
| *val = frame_val & MI_COM_DATA_MASK; |
| ret = 0; |
| } |
| |
| if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) { |
| tw32_f(MAC_MI_MODE, tp->mi_mode); |
| udelay(80); |
| } |
| |
| return ret; |
| } |
| |
| static int tg3_writephy(struct tg3 *tp, int reg, u32 val) |
| { |
| u32 frame_val; |
| unsigned int loops; |
| int ret; |
| |
| if ((tp->phy_flags & TG3_PHYFLG_IS_FET) && |
| (reg == MII_TG3_CTRL || reg == MII_TG3_AUX_CTRL)) |
| return 0; |
| |
| if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) { |
| tw32_f(MAC_MI_MODE, |
| (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL)); |
| udelay(80); |
| } |
| |
| frame_val = ((tp->phy_addr << MI_COM_PHY_ADDR_SHIFT) & |
| MI_COM_PHY_ADDR_MASK); |
| frame_val |= ((reg << MI_COM_REG_ADDR_SHIFT) & |
| MI_COM_REG_ADDR_MASK); |
| frame_val |= (val & MI_COM_DATA_MASK); |
| frame_val |= (MI_COM_CMD_WRITE | MI_COM_START); |
| |
| tw32_f(MAC_MI_COM, frame_val); |
| |
| loops = PHY_BUSY_LOOPS; |
| while (loops != 0) { |
| udelay(10); |
| frame_val = tr32(MAC_MI_COM); |
| if ((frame_val & MI_COM_BUSY) == 0) { |
| udelay(5); |
| frame_val = tr32(MAC_MI_COM); |
| break; |
| } |
| loops -= 1; |
| } |
| |
| ret = -EBUSY; |
| if (loops != 0) |
| ret = 0; |
| |
| if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) { |
| tw32_f(MAC_MI_MODE, tp->mi_mode); |
| udelay(80); |
| } |
| |
| return ret; |
| } |
| |
| static int tg3_phy_cl45_write(struct tg3 *tp, u32 devad, u32 addr, u32 val) |
| { |
| int err; |
| |
| err = tg3_writephy(tp, MII_TG3_MMD_CTRL, devad); |
| if (err) |
| goto done; |
| |
| err = tg3_writephy(tp, MII_TG3_MMD_ADDRESS, addr); |
| if (err) |
| goto done; |
| |
| err = tg3_writephy(tp, MII_TG3_MMD_CTRL, |
| MII_TG3_MMD_CTRL_DATA_NOINC | devad); |
| if (err) |
| goto done; |
| |
| err = tg3_writephy(tp, MII_TG3_MMD_ADDRESS, val); |
| |
| done: |
| return err; |
| } |
| |
| static int tg3_phy_cl45_read(struct tg3 *tp, u32 devad, u32 addr, u32 *val) |
| { |
| int err; |
| |
| err = tg3_writephy(tp, MII_TG3_MMD_CTRL, devad); |
| if (err) |
| goto done; |
| |
| err = tg3_writephy(tp, MII_TG3_MMD_ADDRESS, addr); |
| if (err) |
| goto done; |
| |
| err = tg3_writephy(tp, MII_TG3_MMD_CTRL, |
| MII_TG3_MMD_CTRL_DATA_NOINC | devad); |
| if (err) |
| goto done; |
| |
| err = tg3_readphy(tp, MII_TG3_MMD_ADDRESS, val); |
| |
| done: |
| return err; |
| } |
| |
| static int tg3_phydsp_read(struct tg3 *tp, u32 reg, u32 *val) |
| { |
| int err; |
| |
| err = tg3_writephy(tp, MII_TG3_DSP_ADDRESS, reg); |
| if (!err) |
| err = tg3_readphy(tp, MII_TG3_DSP_RW_PORT, val); |
| |
| return err; |
| } |
| |
| static int tg3_phydsp_write(struct tg3 *tp, u32 reg, u32 val) |
| { |
| int err; |
| |
| err = tg3_writephy(tp, MII_TG3_DSP_ADDRESS, reg); |
| if (!err) |
| err = tg3_writephy(tp, MII_TG3_DSP_RW_PORT, val); |
| |
| return err; |
| } |
| |
| static int tg3_phy_auxctl_read(struct tg3 *tp, int reg, u32 *val) |
| { |
| int err; |
| |
| err = tg3_writephy(tp, MII_TG3_AUX_CTRL, |
| (reg << MII_TG3_AUXCTL_MISC_RDSEL_SHIFT) | |
| MII_TG3_AUXCTL_SHDWSEL_MISC); |
| if (!err) |
| err = tg3_readphy(tp, MII_TG3_AUX_CTRL, val); |
| |
| return err; |
| } |
| |
| static int tg3_phy_auxctl_write(struct tg3 *tp, int reg, u32 set) |
| { |
| if (reg == MII_TG3_AUXCTL_SHDWSEL_MISC) |
| set |= MII_TG3_AUXCTL_MISC_WREN; |
| |
| return tg3_writephy(tp, MII_TG3_AUX_CTRL, set | reg); |
| } |
| |
| #define TG3_PHY_AUXCTL_SMDSP_ENABLE(tp) \ |
| tg3_phy_auxctl_write((tp), MII_TG3_AUXCTL_SHDWSEL_AUXCTL, \ |
| MII_TG3_AUXCTL_ACTL_SMDSP_ENA | \ |
| MII_TG3_AUXCTL_ACTL_TX_6DB) |
| |
| #define TG3_PHY_AUXCTL_SMDSP_DISABLE(tp) \ |
| tg3_phy_auxctl_write((tp), MII_TG3_AUXCTL_SHDWSEL_AUXCTL, \ |
| MII_TG3_AUXCTL_ACTL_TX_6DB); |
| |
| static int tg3_bmcr_reset(struct tg3 *tp) |
| { |
| u32 phy_control; |
| int limit, err; |
| |
| /* OK, reset it, and poll the BMCR_RESET bit until it |
| * clears or we time out. |
| */ |
| phy_control = BMCR_RESET; |
| err = tg3_writephy(tp, MII_BMCR, phy_control); |
| if (err != 0) |
| return -EBUSY; |
| |
| limit = 5000; |
| while (limit--) { |
| err = tg3_readphy(tp, MII_BMCR, &phy_control); |
| if (err != 0) |
| return -EBUSY; |
| |
| if ((phy_control & BMCR_RESET) == 0) { |
| udelay(40); |
| break; |
| } |
| udelay(10); |
| } |
| if (limit < 0) |
| return -EBUSY; |
| |
| return 0; |
| } |
| |
| static int tg3_mdio_read(struct mii_bus *bp, int mii_id, int reg) |
| { |
| struct tg3 *tp = bp->priv; |
| u32 val; |
| |
| spin_lock_bh(&tp->lock); |
| |
| if (tg3_readphy(tp, reg, &val)) |
| val = -EIO; |
| |
| spin_unlock_bh(&tp->lock); |
| |
| return val; |
| } |
| |
| static int tg3_mdio_write(struct mii_bus *bp, int mii_id, int reg, u16 val) |
| { |
| struct tg3 *tp = bp->priv; |
| u32 ret = 0; |
| |
| spin_lock_bh(&tp->lock); |
| |
| if (tg3_writephy(tp, reg, val)) |
| ret = -EIO; |
| |
| spin_unlock_bh(&tp->lock); |
| |
| return ret; |
| } |
| |
| static int tg3_mdio_reset(struct mii_bus *bp) |
| { |
| return 0; |
| } |
| |
| static void tg3_mdio_config_5785(struct tg3 *tp) |
| { |
| u32 val; |
| struct phy_device *phydev; |
| |
| phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR]; |
| switch (phydev->drv->phy_id & phydev->drv->phy_id_mask) { |
| case PHY_ID_BCM50610: |
| case PHY_ID_BCM50610M: |
| val = MAC_PHYCFG2_50610_LED_MODES; |
| break; |
| case PHY_ID_BCMAC131: |
| val = MAC_PHYCFG2_AC131_LED_MODES; |
| break; |
| case PHY_ID_RTL8211C: |
| val = MAC_PHYCFG2_RTL8211C_LED_MODES; |
| break; |
| case PHY_ID_RTL8201E: |
| val = MAC_PHYCFG2_RTL8201E_LED_MODES; |
| break; |
| default: |
| return; |
| } |
| |
| if (phydev->interface != PHY_INTERFACE_MODE_RGMII) { |
| tw32(MAC_PHYCFG2, val); |
| |
| val = tr32(MAC_PHYCFG1); |
| val &= ~(MAC_PHYCFG1_RGMII_INT | |
| MAC_PHYCFG1_RXCLK_TO_MASK | MAC_PHYCFG1_TXCLK_TO_MASK); |
| val |= MAC_PHYCFG1_RXCLK_TIMEOUT | MAC_PHYCFG1_TXCLK_TIMEOUT; |
| tw32(MAC_PHYCFG1, val); |
| |
| return; |
| } |
| |
| if (!tg3_flag(tp, RGMII_INBAND_DISABLE)) |
| val |= MAC_PHYCFG2_EMODE_MASK_MASK | |
| MAC_PHYCFG2_FMODE_MASK_MASK | |
| MAC_PHYCFG2_GMODE_MASK_MASK | |
| MAC_PHYCFG2_ACT_MASK_MASK | |
| MAC_PHYCFG2_QUAL_MASK_MASK | |
| MAC_PHYCFG2_INBAND_ENABLE; |
| |
| tw32(MAC_PHYCFG2, val); |
| |
| val = tr32(MAC_PHYCFG1); |
| val &= ~(MAC_PHYCFG1_RXCLK_TO_MASK | MAC_PHYCFG1_TXCLK_TO_MASK | |
| MAC_PHYCFG1_RGMII_EXT_RX_DEC | MAC_PHYCFG1_RGMII_SND_STAT_EN); |
| if (!tg3_flag(tp, RGMII_INBAND_DISABLE)) { |
| if (tg3_flag(tp, RGMII_EXT_IBND_RX_EN)) |
| val |= MAC_PHYCFG1_RGMII_EXT_RX_DEC; |
| if (tg3_flag(tp, RGMII_EXT_IBND_TX_EN)) |
| val |= MAC_PHYCFG1_RGMII_SND_STAT_EN; |
| } |
| val |= MAC_PHYCFG1_RXCLK_TIMEOUT | MAC_PHYCFG1_TXCLK_TIMEOUT | |
| MAC_PHYCFG1_RGMII_INT | MAC_PHYCFG1_TXC_DRV; |
| tw32(MAC_PHYCFG1, val); |
| |
| val = tr32(MAC_EXT_RGMII_MODE); |
| val &= ~(MAC_RGMII_MODE_RX_INT_B | |
| MAC_RGMII_MODE_RX_QUALITY | |
| MAC_RGMII_MODE_RX_ACTIVITY | |
| MAC_RGMII_MODE_RX_ENG_DET | |
| MAC_RGMII_MODE_TX_ENABLE | |
| MAC_RGMII_MODE_TX_LOWPWR | |
| MAC_RGMII_MODE_TX_RESET); |
| if (!tg3_flag(tp, RGMII_INBAND_DISABLE)) { |
| if (tg3_flag(tp, RGMII_EXT_IBND_RX_EN)) |
| val |= MAC_RGMII_MODE_RX_INT_B | |
| MAC_RGMII_MODE_RX_QUALITY | |
| MAC_RGMII_MODE_RX_ACTIVITY | |
| MAC_RGMII_MODE_RX_ENG_DET; |
| if (tg3_flag(tp, RGMII_EXT_IBND_TX_EN)) |
| val |= MAC_RGMII_MODE_TX_ENABLE | |
| MAC_RGMII_MODE_TX_LOWPWR | |
| MAC_RGMII_MODE_TX_RESET; |
| } |
| tw32(MAC_EXT_RGMII_MODE, val); |
| } |
| |
| static void tg3_mdio_start(struct tg3 *tp) |
| { |
| tp->mi_mode &= ~MAC_MI_MODE_AUTO_POLL; |
| tw32_f(MAC_MI_MODE, tp->mi_mode); |
| udelay(80); |
| |
| if (tg3_flag(tp, MDIOBUS_INITED) && |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785) |
| tg3_mdio_config_5785(tp); |
| } |
| |
| static int tg3_mdio_init(struct tg3 *tp) |
| { |
| int i; |
| u32 reg; |
| struct phy_device *phydev; |
| |
| if (tg3_flag(tp, 5717_PLUS)) { |
| u32 is_serdes; |
| |
| tp->phy_addr = PCI_FUNC(tp->pdev->devfn) + 1; |
| |
| if (tp->pci_chip_rev_id != CHIPREV_ID_5717_A0) |
| is_serdes = tr32(SG_DIG_STATUS) & SG_DIG_IS_SERDES; |
| else |
| is_serdes = tr32(TG3_CPMU_PHY_STRAP) & |
| TG3_CPMU_PHY_STRAP_IS_SERDES; |
| if (is_serdes) |
| tp->phy_addr += 7; |
| } else |
| tp->phy_addr = TG3_PHY_MII_ADDR; |
| |
| tg3_mdio_start(tp); |
| |
| if (!tg3_flag(tp, USE_PHYLIB) || tg3_flag(tp, MDIOBUS_INITED)) |
| return 0; |
| |
| tp->mdio_bus = mdiobus_alloc(); |
| if (tp->mdio_bus == NULL) |
| return -ENOMEM; |
| |
| tp->mdio_bus->name = "tg3 mdio bus"; |
| snprintf(tp->mdio_bus->id, MII_BUS_ID_SIZE, "%x", |
| (tp->pdev->bus->number << 8) | tp->pdev->devfn); |
| tp->mdio_bus->priv = tp; |
| tp->mdio_bus->parent = &tp->pdev->dev; |
| tp->mdio_bus->read = &tg3_mdio_read; |
| tp->mdio_bus->write = &tg3_mdio_write; |
| tp->mdio_bus->reset = &tg3_mdio_reset; |
| tp->mdio_bus->phy_mask = ~(1 << TG3_PHY_MII_ADDR); |
| tp->mdio_bus->irq = &tp->mdio_irq[0]; |
| |
| for (i = 0; i < PHY_MAX_ADDR; i++) |
| tp->mdio_bus->irq[i] = PHY_POLL; |
| |
| /* The bus registration will look for all the PHYs on the mdio bus. |
| * Unfortunately, it does not ensure the PHY is powered up before |
| * accessing the PHY ID registers. A chip reset is the |
| * quickest way to bring the device back to an operational state.. |
| */ |
| if (tg3_readphy(tp, MII_BMCR, ®) || (reg & BMCR_PDOWN)) |
| tg3_bmcr_reset(tp); |
| |
| i = mdiobus_register(tp->mdio_bus); |
| if (i) { |
| dev_warn(&tp->pdev->dev, "mdiobus_reg failed (0x%x)\n", i); |
| mdiobus_free(tp->mdio_bus); |
| return i; |
| } |
| |
| phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR]; |
| |
| if (!phydev || !phydev->drv) { |
| dev_warn(&tp->pdev->dev, "No PHY devices\n"); |
| mdiobus_unregister(tp->mdio_bus); |
| mdiobus_free(tp->mdio_bus); |
| return -ENODEV; |
| } |
| |
| switch (phydev->drv->phy_id & phydev->drv->phy_id_mask) { |
| case PHY_ID_BCM57780: |
| phydev->interface = PHY_INTERFACE_MODE_GMII; |
| phydev->dev_flags |= PHY_BRCM_AUTO_PWRDWN_ENABLE; |
| break; |
| case PHY_ID_BCM50610: |
| case PHY_ID_BCM50610M: |
| phydev->dev_flags |= PHY_BRCM_CLEAR_RGMII_MODE | |
| PHY_BRCM_RX_REFCLK_UNUSED | |
| PHY_BRCM_DIS_TXCRXC_NOENRGY | |
| PHY_BRCM_AUTO_PWRDWN_ENABLE; |
| if (tg3_flag(tp, RGMII_INBAND_DISABLE)) |
| phydev->dev_flags |= PHY_BRCM_STD_IBND_DISABLE; |
| if (tg3_flag(tp, RGMII_EXT_IBND_RX_EN)) |
| phydev->dev_flags |= PHY_BRCM_EXT_IBND_RX_ENABLE; |
| if (tg3_flag(tp, RGMII_EXT_IBND_TX_EN)) |
| phydev->dev_flags |= PHY_BRCM_EXT_IBND_TX_ENABLE; |
| /* fallthru */ |
| case PHY_ID_RTL8211C: |
| phydev->interface = PHY_INTERFACE_MODE_RGMII; |
| break; |
| case PHY_ID_RTL8201E: |
| case PHY_ID_BCMAC131: |
| phydev->interface = PHY_INTERFACE_MODE_MII; |
| phydev->dev_flags |= PHY_BRCM_AUTO_PWRDWN_ENABLE; |
| tp->phy_flags |= TG3_PHYFLG_IS_FET; |
| break; |
| } |
| |
| tg3_flag_set(tp, MDIOBUS_INITED); |
| |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785) |
| tg3_mdio_config_5785(tp); |
| |
| return 0; |
| } |
| |
| static void tg3_mdio_fini(struct tg3 *tp) |
| { |
| if (tg3_flag(tp, MDIOBUS_INITED)) { |
| tg3_flag_clear(tp, MDIOBUS_INITED); |
| mdiobus_unregister(tp->mdio_bus); |
| mdiobus_free(tp->mdio_bus); |
| } |
| } |
| |
| /* tp->lock is held. */ |
| static inline void tg3_generate_fw_event(struct tg3 *tp) |
| { |
| u32 val; |
| |
| val = tr32(GRC_RX_CPU_EVENT); |
| val |= GRC_RX_CPU_DRIVER_EVENT; |
| tw32_f(GRC_RX_CPU_EVENT, val); |
| |
| tp->last_event_jiffies = jiffies; |
| } |
| |
| #define TG3_FW_EVENT_TIMEOUT_USEC 2500 |
| |
| /* tp->lock is held. */ |
| static void tg3_wait_for_event_ack(struct tg3 *tp) |
| { |
| int i; |
| unsigned int delay_cnt; |
| long time_remain; |
| |
| /* If enough time has passed, no wait is necessary. */ |
| time_remain = (long)(tp->last_event_jiffies + 1 + |
| usecs_to_jiffies(TG3_FW_EVENT_TIMEOUT_USEC)) - |
| (long)jiffies; |
| if (time_remain < 0) |
| return; |
| |
| /* Check if we can shorten the wait time. */ |
| delay_cnt = jiffies_to_usecs(time_remain); |
| if (delay_cnt > TG3_FW_EVENT_TIMEOUT_USEC) |
| delay_cnt = TG3_FW_EVENT_TIMEOUT_USEC; |
| delay_cnt = (delay_cnt >> 3) + 1; |
| |
| for (i = 0; i < delay_cnt; i++) { |
| if (!(tr32(GRC_RX_CPU_EVENT) & GRC_RX_CPU_DRIVER_EVENT)) |
| break; |
| udelay(8); |
| } |
| } |
| |
| /* tp->lock is held. */ |
| static void tg3_ump_link_report(struct tg3 *tp) |
| { |
| u32 reg; |
| u32 val; |
| |
| if (!tg3_flag(tp, 5780_CLASS) || !tg3_flag(tp, ENABLE_ASF)) |
| return; |
| |
| tg3_wait_for_event_ack(tp); |
| |
| tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX, FWCMD_NICDRV_LINK_UPDATE); |
| |
| tg3_write_mem(tp, NIC_SRAM_FW_CMD_LEN_MBOX, 14); |
| |
| val = 0; |
| if (!tg3_readphy(tp, MII_BMCR, ®)) |
| val = reg << 16; |
| if (!tg3_readphy(tp, MII_BMSR, ®)) |
| val |= (reg & 0xffff); |
| tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX, val); |
| |
| val = 0; |
| if (!tg3_readphy(tp, MII_ADVERTISE, ®)) |
| val = reg << 16; |
| if (!tg3_readphy(tp, MII_LPA, ®)) |
| val |= (reg & 0xffff); |
| tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX + 4, val); |
| |
| val = 0; |
| if (!(tp->phy_flags & TG3_PHYFLG_MII_SERDES)) { |
| if (!tg3_readphy(tp, MII_CTRL1000, ®)) |
| val = reg << 16; |
| if (!tg3_readphy(tp, MII_STAT1000, ®)) |
| val |= (reg & 0xffff); |
| } |
| tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX + 8, val); |
| |
| if (!tg3_readphy(tp, MII_PHYADDR, ®)) |
| val = reg << 16; |
| else |
| val = 0; |
| tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX + 12, val); |
| |
| tg3_generate_fw_event(tp); |
| } |
| |
| static void tg3_link_report(struct tg3 *tp) |
| { |
| if (!netif_carrier_ok(tp->dev)) { |
| netif_info(tp, link, tp->dev, "Link is down\n"); |
| tg3_ump_link_report(tp); |
| } else if (netif_msg_link(tp)) { |
| netdev_info(tp->dev, "Link is up at %d Mbps, %s duplex\n", |
| (tp->link_config.active_speed == SPEED_1000 ? |
| 1000 : |
| (tp->link_config.active_speed == SPEED_100 ? |
| 100 : 10)), |
| (tp->link_config.active_duplex == DUPLEX_FULL ? |
| "full" : "half")); |
| |
| netdev_info(tp->dev, "Flow control is %s for TX and %s for RX\n", |
| (tp->link_config.active_flowctrl & FLOW_CTRL_TX) ? |
| "on" : "off", |
| (tp->link_config.active_flowctrl & FLOW_CTRL_RX) ? |
| "on" : "off"); |
| |
| if (tp->phy_flags & TG3_PHYFLG_EEE_CAP) |
| netdev_info(tp->dev, "EEE is %s\n", |
| tp->setlpicnt ? "enabled" : "disabled"); |
| |
| tg3_ump_link_report(tp); |
| } |
| } |
| |
| static u16 tg3_advert_flowctrl_1000T(u8 flow_ctrl) |
| { |
| u16 miireg; |
| |
| if ((flow_ctrl & FLOW_CTRL_TX) && (flow_ctrl & FLOW_CTRL_RX)) |
| miireg = ADVERTISE_PAUSE_CAP; |
| else if (flow_ctrl & FLOW_CTRL_TX) |
| miireg = ADVERTISE_PAUSE_ASYM; |
| else if (flow_ctrl & FLOW_CTRL_RX) |
| miireg = ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM; |
| else |
| miireg = 0; |
| |
| return miireg; |
| } |
| |
| static u16 tg3_advert_flowctrl_1000X(u8 flow_ctrl) |
| { |
| u16 miireg; |
| |
| if ((flow_ctrl & FLOW_CTRL_TX) && (flow_ctrl & FLOW_CTRL_RX)) |
| miireg = ADVERTISE_1000XPAUSE; |
| else if (flow_ctrl & FLOW_CTRL_TX) |
| miireg = ADVERTISE_1000XPSE_ASYM; |
| else if (flow_ctrl & FLOW_CTRL_RX) |
| miireg = ADVERTISE_1000XPAUSE | ADVERTISE_1000XPSE_ASYM; |
| else |
| miireg = 0; |
| |
| return miireg; |
| } |
| |
| static u8 tg3_resolve_flowctrl_1000X(u16 lcladv, u16 rmtadv) |
| { |
| u8 cap = 0; |
| |
| if (lcladv & ADVERTISE_1000XPAUSE) { |
| if (lcladv & ADVERTISE_1000XPSE_ASYM) { |
| if (rmtadv & LPA_1000XPAUSE) |
| cap = FLOW_CTRL_TX | FLOW_CTRL_RX; |
| else if (rmtadv & LPA_1000XPAUSE_ASYM) |
| cap = FLOW_CTRL_RX; |
| } else { |
| if (rmtadv & LPA_1000XPAUSE) |
| cap = FLOW_CTRL_TX | FLOW_CTRL_RX; |
| } |
| } else if (lcladv & ADVERTISE_1000XPSE_ASYM) { |
| if ((rmtadv & LPA_1000XPAUSE) && (rmtadv & LPA_1000XPAUSE_ASYM)) |
| cap = FLOW_CTRL_TX; |
| } |
| |
| return cap; |
| } |
| |
| static void tg3_setup_flow_control(struct tg3 *tp, u32 lcladv, u32 rmtadv) |
| { |
| u8 autoneg; |
| u8 flowctrl = 0; |
| u32 old_rx_mode = tp->rx_mode; |
| u32 old_tx_mode = tp->tx_mode; |
| |
| if (tg3_flag(tp, USE_PHYLIB)) |
| autoneg = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR]->autoneg; |
| else |
| autoneg = tp->link_config.autoneg; |
| |
| if (autoneg == AUTONEG_ENABLE && tg3_flag(tp, PAUSE_AUTONEG)) { |
| if (tp->phy_flags & TG3_PHYFLG_ANY_SERDES) |
| flowctrl = tg3_resolve_flowctrl_1000X(lcladv, rmtadv); |
| else |
| flowctrl = mii_resolve_flowctrl_fdx(lcladv, rmtadv); |
| } else |
| flowctrl = tp->link_config.flowctrl; |
| |
| tp->link_config.active_flowctrl = flowctrl; |
| |
| if (flowctrl & FLOW_CTRL_RX) |
| tp->rx_mode |= RX_MODE_FLOW_CTRL_ENABLE; |
| else |
| tp->rx_mode &= ~RX_MODE_FLOW_CTRL_ENABLE; |
| |
| if (old_rx_mode != tp->rx_mode) |
| tw32_f(MAC_RX_MODE, tp->rx_mode); |
| |
| if (flowctrl & FLOW_CTRL_TX) |
| tp->tx_mode |= TX_MODE_FLOW_CTRL_ENABLE; |
| else |
| tp->tx_mode &= ~TX_MODE_FLOW_CTRL_ENABLE; |
| |
| if (old_tx_mode != tp->tx_mode) |
| tw32_f(MAC_TX_MODE, tp->tx_mode); |
| } |
| |
| static void tg3_adjust_link(struct net_device *dev) |
| { |
| u8 oldflowctrl, linkmesg = 0; |
| u32 mac_mode, lcl_adv, rmt_adv; |
| struct tg3 *tp = netdev_priv(dev); |
| struct phy_device *phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR]; |
| |
| spin_lock_bh(&tp->lock); |
| |
| mac_mode = tp->mac_mode & ~(MAC_MODE_PORT_MODE_MASK | |
| MAC_MODE_HALF_DUPLEX); |
| |
| oldflowctrl = tp->link_config.active_flowctrl; |
| |
| if (phydev->link) { |
| lcl_adv = 0; |
| rmt_adv = 0; |
| |
| if (phydev->speed == SPEED_100 || phydev->speed == SPEED_10) |
| mac_mode |= MAC_MODE_PORT_MODE_MII; |
| else if (phydev->speed == SPEED_1000 || |
| GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5785) |
| mac_mode |= MAC_MODE_PORT_MODE_GMII; |
| else |
| mac_mode |= MAC_MODE_PORT_MODE_MII; |
| |
| if (phydev->duplex == DUPLEX_HALF) |
| mac_mode |= MAC_MODE_HALF_DUPLEX; |
| else { |
| lcl_adv = tg3_advert_flowctrl_1000T( |
| tp->link_config.flowctrl); |
| |
| if (phydev->pause) |
| rmt_adv = LPA_PAUSE_CAP; |
| if (phydev->asym_pause) |
| rmt_adv |= LPA_PAUSE_ASYM; |
| } |
| |
| tg3_setup_flow_control(tp, lcl_adv, rmt_adv); |
| } else |
| mac_mode |= MAC_MODE_PORT_MODE_GMII; |
| |
| if (mac_mode != tp->mac_mode) { |
| tp->mac_mode = mac_mode; |
| tw32_f(MAC_MODE, tp->mac_mode); |
| udelay(40); |
| } |
| |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785) { |
| if (phydev->speed == SPEED_10) |
| tw32(MAC_MI_STAT, |
| MAC_MI_STAT_10MBPS_MODE | |
| MAC_MI_STAT_LNKSTAT_ATTN_ENAB); |
| else |
| tw32(MAC_MI_STAT, MAC_MI_STAT_LNKSTAT_ATTN_ENAB); |
| } |
| |
| if (phydev->speed == SPEED_1000 && phydev->duplex == DUPLEX_HALF) |
| tw32(MAC_TX_LENGTHS, |
| ((2 << TX_LENGTHS_IPG_CRS_SHIFT) | |
| (6 << TX_LENGTHS_IPG_SHIFT) | |
| (0xff << TX_LENGTHS_SLOT_TIME_SHIFT))); |
| else |
| tw32(MAC_TX_LENGTHS, |
| ((2 << TX_LENGTHS_IPG_CRS_SHIFT) | |
| (6 << TX_LENGTHS_IPG_SHIFT) | |
| (32 << TX_LENGTHS_SLOT_TIME_SHIFT))); |
| |
| if ((phydev->link && tp->link_config.active_speed == SPEED_INVALID) || |
| (!phydev->link && tp->link_config.active_speed != SPEED_INVALID) || |
| phydev->speed != tp->link_config.active_speed || |
| phydev->duplex != tp->link_config.active_duplex || |
| oldflowctrl != tp->link_config.active_flowctrl) |
| linkmesg = 1; |
| |
| tp->link_config.active_speed = phydev->speed; |
| tp->link_config.active_duplex = phydev->duplex; |
| |
| spin_unlock_bh(&tp->lock); |
| |
| if (linkmesg) |
| tg3_link_report(tp); |
| } |
| |
| static int tg3_phy_init(struct tg3 *tp) |
| { |
| struct phy_device *phydev; |
| |
| if (tp->phy_flags & TG3_PHYFLG_IS_CONNECTED) |
| return 0; |
| |
| /* Bring the PHY back to a known state. */ |
| tg3_bmcr_reset(tp); |
| |
| phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR]; |
| |
| /* Attach the MAC to the PHY. */ |
| phydev = phy_connect(tp->dev, dev_name(&phydev->dev), tg3_adjust_link, |
| phydev->dev_flags, phydev->interface); |
| if (IS_ERR(phydev)) { |
| dev_err(&tp->pdev->dev, "Could not attach to PHY\n"); |
| return PTR_ERR(phydev); |
| } |
| |
| /* Mask with MAC supported features. */ |
| switch (phydev->interface) { |
| case PHY_INTERFACE_MODE_GMII: |
| case PHY_INTERFACE_MODE_RGMII: |
| if (!(tp->phy_flags & TG3_PHYFLG_10_100_ONLY)) { |
| phydev->supported &= (PHY_GBIT_FEATURES | |
| SUPPORTED_Pause | |
| SUPPORTED_Asym_Pause); |
| break; |
| } |
| /* fallthru */ |
| case PHY_INTERFACE_MODE_MII: |
| phydev->supported &= (PHY_BASIC_FEATURES | |
| SUPPORTED_Pause | |
| SUPPORTED_Asym_Pause); |
| break; |
| default: |
| phy_disconnect(tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR]); |
| return -EINVAL; |
| } |
| |
| tp->phy_flags |= TG3_PHYFLG_IS_CONNECTED; |
| |
| phydev->advertising = phydev->supported; |
| |
| return 0; |
| } |
| |
| static void tg3_phy_start(struct tg3 *tp) |
| { |
| struct phy_device *phydev; |
| |
| if (!(tp->phy_flags & TG3_PHYFLG_IS_CONNECTED)) |
| return; |
| |
| phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR]; |
| |
| if (tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER) { |
| tp->phy_flags &= ~TG3_PHYFLG_IS_LOW_POWER; |
| phydev->speed = tp->link_config.orig_speed; |
| phydev->duplex = tp->link_config.orig_duplex; |
| phydev->autoneg = tp->link_config.orig_autoneg; |
| phydev->advertising = tp->link_config.orig_advertising; |
| } |
| |
| phy_start(phydev); |
| |
| phy_start_aneg(phydev); |
| } |
| |
| static void tg3_phy_stop(struct tg3 *tp) |
| { |
| if (!(tp->phy_flags & TG3_PHYFLG_IS_CONNECTED)) |
| return; |
| |
| phy_stop(tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR]); |
| } |
| |
| static void tg3_phy_fini(struct tg3 *tp) |
| { |
| if (tp->phy_flags & TG3_PHYFLG_IS_CONNECTED) { |
| phy_disconnect(tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR]); |
| tp->phy_flags &= ~TG3_PHYFLG_IS_CONNECTED; |
| } |
| } |
| |
| static void tg3_phy_fet_toggle_apd(struct tg3 *tp, bool enable) |
| { |
| u32 phytest; |
| |
| if (!tg3_readphy(tp, MII_TG3_FET_TEST, &phytest)) { |
| u32 phy; |
| |
| tg3_writephy(tp, MII_TG3_FET_TEST, |
| phytest | MII_TG3_FET_SHADOW_EN); |
| if (!tg3_readphy(tp, MII_TG3_FET_SHDW_AUXSTAT2, &phy)) { |
| if (enable) |
| phy |= MII_TG3_FET_SHDW_AUXSTAT2_APD; |
| else |
| phy &= ~MII_TG3_FET_SHDW_AUXSTAT2_APD; |
| tg3_writephy(tp, MII_TG3_FET_SHDW_AUXSTAT2, phy); |
| } |
| tg3_writephy(tp, MII_TG3_FET_TEST, phytest); |
| } |
| } |
| |
| static void tg3_phy_toggle_apd(struct tg3 *tp, bool enable) |
| { |
| u32 reg; |
| |
| if (!tg3_flag(tp, 5705_PLUS) || |
| (tg3_flag(tp, 5717_PLUS) && |
| (tp->phy_flags & TG3_PHYFLG_MII_SERDES))) |
| return; |
| |
| if (tp->phy_flags & TG3_PHYFLG_IS_FET) { |
| tg3_phy_fet_toggle_apd(tp, enable); |
| return; |
| } |
| |
| reg = MII_TG3_MISC_SHDW_WREN | |
| MII_TG3_MISC_SHDW_SCR5_SEL | |
| MII_TG3_MISC_SHDW_SCR5_LPED | |
| MII_TG3_MISC_SHDW_SCR5_DLPTLM | |
| MII_TG3_MISC_SHDW_SCR5_SDTL | |
| MII_TG3_MISC_SHDW_SCR5_C125OE; |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5784 || !enable) |
| reg |= MII_TG3_MISC_SHDW_SCR5_DLLAPD; |
| |
| tg3_writephy(tp, MII_TG3_MISC_SHDW, reg); |
| |
| |
| reg = MII_TG3_MISC_SHDW_WREN | |
| MII_TG3_MISC_SHDW_APD_SEL | |
| MII_TG3_MISC_SHDW_APD_WKTM_84MS; |
| if (enable) |
| reg |= MII_TG3_MISC_SHDW_APD_ENABLE; |
| |
| tg3_writephy(tp, MII_TG3_MISC_SHDW, reg); |
| } |
| |
| static void tg3_phy_toggle_automdix(struct tg3 *tp, int enable) |
| { |
| u32 phy; |
| |
| if (!tg3_flag(tp, 5705_PLUS) || |
| (tp->phy_flags & TG3_PHYFLG_ANY_SERDES)) |
| return; |
| |
| if (tp->phy_flags & TG3_PHYFLG_IS_FET) { |
| u32 ephy; |
| |
| if (!tg3_readphy(tp, MII_TG3_FET_TEST, &ephy)) { |
| u32 reg = MII_TG3_FET_SHDW_MISCCTRL; |
| |
| tg3_writephy(tp, MII_TG3_FET_TEST, |
| ephy | MII_TG3_FET_SHADOW_EN); |
| if (!tg3_readphy(tp, reg, &phy)) { |
| if (enable) |
| phy |= MII_TG3_FET_SHDW_MISCCTRL_MDIX; |
| else |
| phy &= ~MII_TG3_FET_SHDW_MISCCTRL_MDIX; |
| tg3_writephy(tp, reg, phy); |
| } |
| tg3_writephy(tp, MII_TG3_FET_TEST, ephy); |
| } |
| } else { |
| int ret; |
| |
| ret = tg3_phy_auxctl_read(tp, |
| MII_TG3_AUXCTL_SHDWSEL_MISC, &phy); |
| if (!ret) { |
| if (enable) |
| phy |= MII_TG3_AUXCTL_MISC_FORCE_AMDIX; |
| else |
| phy &= ~MII_TG3_AUXCTL_MISC_FORCE_AMDIX; |
| tg3_phy_auxctl_write(tp, |
| MII_TG3_AUXCTL_SHDWSEL_MISC, phy); |
| } |
| } |
| } |
| |
| static void tg3_phy_set_wirespeed(struct tg3 *tp) |
| { |
| int ret; |
| u32 val; |
| |
| if (tp->phy_flags & TG3_PHYFLG_NO_ETH_WIRE_SPEED) |
| return; |
| |
| ret = tg3_phy_auxctl_read(tp, MII_TG3_AUXCTL_SHDWSEL_MISC, &val); |
| if (!ret) |
| tg3_phy_auxctl_write(tp, MII_TG3_AUXCTL_SHDWSEL_MISC, |
| val | MII_TG3_AUXCTL_MISC_WIRESPD_EN); |
| } |
| |
| static void tg3_phy_apply_otp(struct tg3 *tp) |
| { |
| u32 otp, phy; |
| |
| if (!tp->phy_otp) |
| return; |
| |
| otp = tp->phy_otp; |
| |
| if (TG3_PHY_AUXCTL_SMDSP_ENABLE(tp)) |
| return; |
| |
| phy = ((otp & TG3_OTP_AGCTGT_MASK) >> TG3_OTP_AGCTGT_SHIFT); |
| phy |= MII_TG3_DSP_TAP1_AGCTGT_DFLT; |
| tg3_phydsp_write(tp, MII_TG3_DSP_TAP1, phy); |
| |
| phy = ((otp & TG3_OTP_HPFFLTR_MASK) >> TG3_OTP_HPFFLTR_SHIFT) | |
| ((otp & TG3_OTP_HPFOVER_MASK) >> TG3_OTP_HPFOVER_SHIFT); |
| tg3_phydsp_write(tp, MII_TG3_DSP_AADJ1CH0, phy); |
| |
| phy = ((otp & TG3_OTP_LPFDIS_MASK) >> TG3_OTP_LPFDIS_SHIFT); |
| phy |= MII_TG3_DSP_AADJ1CH3_ADCCKADJ; |
| tg3_phydsp_write(tp, MII_TG3_DSP_AADJ1CH3, phy); |
| |
| phy = ((otp & TG3_OTP_VDAC_MASK) >> TG3_OTP_VDAC_SHIFT); |
| tg3_phydsp_write(tp, MII_TG3_DSP_EXP75, phy); |
| |
| phy = ((otp & TG3_OTP_10BTAMP_MASK) >> TG3_OTP_10BTAMP_SHIFT); |
| tg3_phydsp_write(tp, MII_TG3_DSP_EXP96, phy); |
| |
| phy = ((otp & TG3_OTP_ROFF_MASK) >> TG3_OTP_ROFF_SHIFT) | |
| ((otp & TG3_OTP_RCOFF_MASK) >> TG3_OTP_RCOFF_SHIFT); |
| tg3_phydsp_write(tp, MII_TG3_DSP_EXP97, phy); |
| |
| TG3_PHY_AUXCTL_SMDSP_DISABLE(tp); |
| } |
| |
| static void tg3_phy_eee_adjust(struct tg3 *tp, u32 current_link_up) |
| { |
| u32 val; |
| |
| if (!(tp->phy_flags & TG3_PHYFLG_EEE_CAP)) |
| return; |
| |
| tp->setlpicnt = 0; |
| |
| if (tp->link_config.autoneg == AUTONEG_ENABLE && |
| current_link_up == 1 && |
| tp->link_config.active_duplex == DUPLEX_FULL && |
| (tp->link_config.active_speed == SPEED_100 || |
| tp->link_config.active_speed == SPEED_1000)) { |
| u32 eeectl; |
| |
| if (tp->link_config.active_speed == SPEED_1000) |
| eeectl = TG3_CPMU_EEE_CTRL_EXIT_16_5_US; |
| else |
| eeectl = TG3_CPMU_EEE_CTRL_EXIT_36_US; |
| |
| tw32(TG3_CPMU_EEE_CTRL, eeectl); |
| |
| tg3_phy_cl45_read(tp, MDIO_MMD_AN, |
| TG3_CL45_D7_EEERES_STAT, &val); |
| |
| switch (val) { |
| case TG3_CL45_D7_EEERES_STAT_LP_1000T: |
| switch (GET_ASIC_REV(tp->pci_chip_rev_id)) { |
| case ASIC_REV_5717: |
| case ASIC_REV_5719: |
| case ASIC_REV_57765: |
| if (!TG3_PHY_AUXCTL_SMDSP_ENABLE(tp)) { |
| tg3_phydsp_write(tp, MII_TG3_DSP_TAP26, |
| 0x0000); |
| TG3_PHY_AUXCTL_SMDSP_DISABLE(tp); |
| } |
| } |
| /* Fallthrough */ |
| case TG3_CL45_D7_EEERES_STAT_LP_100TX: |
| tp->setlpicnt = 2; |
| } |
| } |
| |
| if (!tp->setlpicnt) { |
| val = tr32(TG3_CPMU_EEE_MODE); |
| tw32(TG3_CPMU_EEE_MODE, val & ~TG3_CPMU_EEEMD_LPI_ENABLE); |
| } |
| } |
| |
| static int tg3_wait_macro_done(struct tg3 *tp) |
| { |
| int limit = 100; |
| |
| while (limit--) { |
| u32 tmp32; |
| |
| if (!tg3_readphy(tp, MII_TG3_DSP_CONTROL, &tmp32)) { |
| if ((tmp32 & 0x1000) == 0) |
| break; |
| } |
| } |
| if (limit < 0) |
| return -EBUSY; |
| |
| return 0; |
| } |
| |
| static int tg3_phy_write_and_check_testpat(struct tg3 *tp, int *resetp) |
| { |
| static const u32 test_pat[4][6] = { |
| { 0x00005555, 0x00000005, 0x00002aaa, 0x0000000a, 0x00003456, 0x00000003 }, |
| { 0x00002aaa, 0x0000000a, 0x00003333, 0x00000003, 0x0000789a, 0x00000005 }, |
| { 0x00005a5a, 0x00000005, 0x00002a6a, 0x0000000a, 0x00001bcd, 0x00000003 }, |
| { 0x00002a5a, 0x0000000a, 0x000033c3, 0x00000003, 0x00002ef1, 0x00000005 } |
| }; |
| int chan; |
| |
| for (chan = 0; chan < 4; chan++) { |
| int i; |
| |
| tg3_writephy(tp, MII_TG3_DSP_ADDRESS, |
| (chan * 0x2000) | 0x0200); |
| tg3_writephy(tp, MII_TG3_DSP_CONTROL, 0x0002); |
| |
| for (i = 0; i < 6; i++) |
| tg3_writephy(tp, MII_TG3_DSP_RW_PORT, |
| test_pat[chan][i]); |
| |
| tg3_writephy(tp, MII_TG3_DSP_CONTROL, 0x0202); |
| if (tg3_wait_macro_done(tp)) { |
| *resetp = 1; |
| return -EBUSY; |
| } |
| |
| tg3_writephy(tp, MII_TG3_DSP_ADDRESS, |
| (chan * 0x2000) | 0x0200); |
| tg3_writephy(tp, MII_TG3_DSP_CONTROL, 0x0082); |
| if (tg3_wait_macro_done(tp)) { |
| *resetp = 1; |
| return -EBUSY; |
| } |
| |
| tg3_writephy(tp, MII_TG3_DSP_CONTROL, 0x0802); |
| if (tg3_wait_macro_done(tp)) { |
| *resetp = 1; |
| return -EBUSY; |
| } |
| |
| for (i = 0; i < 6; i += 2) { |
| u32 low, high; |
| |
| if (tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &low) || |
| tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &high) || |
| tg3_wait_macro_done(tp)) { |
| *resetp = 1; |
| return -EBUSY; |
| } |
| low &= 0x7fff; |
| high &= 0x000f; |
| if (low != test_pat[chan][i] || |
| high != test_pat[chan][i+1]) { |
| tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000b); |
| tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x4001); |
| tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x4005); |
| |
| return -EBUSY; |
| } |
| } |
| } |
| |
| return 0; |
| } |
| |
| static int tg3_phy_reset_chanpat(struct tg3 *tp) |
| { |
| int chan; |
| |
| for (chan = 0; chan < 4; chan++) { |
| int i; |
| |
| tg3_writephy(tp, MII_TG3_DSP_ADDRESS, |
| (chan * 0x2000) | 0x0200); |
| tg3_writephy(tp, MII_TG3_DSP_CONTROL, 0x0002); |
| for (i = 0; i < 6; i++) |
| tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x000); |
| tg3_writephy(tp, MII_TG3_DSP_CONTROL, 0x0202); |
| if (tg3_wait_macro_done(tp)) |
| return -EBUSY; |
| } |
| |
| return 0; |
| } |
| |
| static int tg3_phy_reset_5703_4_5(struct tg3 *tp) |
| { |
| u32 reg32, phy9_orig; |
| int retries, do_phy_reset, err; |
| |
| retries = 10; |
| do_phy_reset = 1; |
| do { |
| if (do_phy_reset) { |
| err = tg3_bmcr_reset(tp); |
| if (err) |
| return err; |
| do_phy_reset = 0; |
| } |
| |
| /* Disable transmitter and interrupt. */ |
| if (tg3_readphy(tp, MII_TG3_EXT_CTRL, ®32)) |
| continue; |
| |
| reg32 |= 0x3000; |
| tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32); |
| |
| /* Set full-duplex, 1000 mbps. */ |
| tg3_writephy(tp, MII_BMCR, |
| BMCR_FULLDPLX | TG3_BMCR_SPEED1000); |
| |
| /* Set to master mode. */ |
| if (tg3_readphy(tp, MII_TG3_CTRL, &phy9_orig)) |
| continue; |
| |
| tg3_writephy(tp, MII_TG3_CTRL, |
| (MII_TG3_CTRL_AS_MASTER | |
| MII_TG3_CTRL_ENABLE_AS_MASTER)); |
| |
| err = TG3_PHY_AUXCTL_SMDSP_ENABLE(tp); |
| if (err) |
| return err; |
| |
| /* Block the PHY control access. */ |
| tg3_phydsp_write(tp, 0x8005, 0x0800); |
| |
| err = tg3_phy_write_and_check_testpat(tp, &do_phy_reset); |
| if (!err) |
| break; |
| } while (--retries); |
| |
| err = tg3_phy_reset_chanpat(tp); |
| if (err) |
| return err; |
| |
| tg3_phydsp_write(tp, 0x8005, 0x0000); |
| |
| tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8200); |
| tg3_writephy(tp, MII_TG3_DSP_CONTROL, 0x0000); |
| |
| TG3_PHY_AUXCTL_SMDSP_DISABLE(tp); |
| |
| tg3_writephy(tp, MII_TG3_CTRL, phy9_orig); |
| |
| if (!tg3_readphy(tp, MII_TG3_EXT_CTRL, ®32)) { |
| reg32 &= ~0x3000; |
| tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32); |
| } else if (!err) |
| err = -EBUSY; |
| |
| return err; |
| } |
| |
| /* This will reset the tigon3 PHY if there is no valid |
| * link unless the FORCE argument is non-zero. |
| */ |
| static int tg3_phy_reset(struct tg3 *tp) |
| { |
| u32 val, cpmuctrl; |
| int err; |
| |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) { |
| val = tr32(GRC_MISC_CFG); |
| tw32_f(GRC_MISC_CFG, val & ~GRC_MISC_CFG_EPHY_IDDQ); |
| udelay(40); |
| } |
| err = tg3_readphy(tp, MII_BMSR, &val); |
| err |= tg3_readphy(tp, MII_BMSR, &val); |
| if (err != 0) |
| return -EBUSY; |
| |
| if (netif_running(tp->dev) && netif_carrier_ok(tp->dev)) { |
| netif_carrier_off(tp->dev); |
| tg3_link_report(tp); |
| } |
| |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) { |
| err = tg3_phy_reset_5703_4_5(tp); |
| if (err) |
| return err; |
| goto out; |
| } |
| |
| cpmuctrl = 0; |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 && |
| GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX) { |
| cpmuctrl = tr32(TG3_CPMU_CTRL); |
| if (cpmuctrl & CPMU_CTRL_GPHY_10MB_RXONLY) |
| tw32(TG3_CPMU_CTRL, |
| cpmuctrl & ~CPMU_CTRL_GPHY_10MB_RXONLY); |
| } |
| |
| err = tg3_bmcr_reset(tp); |
| if (err) |
| return err; |
| |
| if (cpmuctrl & CPMU_CTRL_GPHY_10MB_RXONLY) { |
| val = MII_TG3_DSP_EXP8_AEDW | MII_TG3_DSP_EXP8_REJ2MHz; |
| tg3_phydsp_write(tp, MII_TG3_DSP_EXP8, val); |
| |
| tw32(TG3_CPMU_CTRL, cpmuctrl); |
| } |
| |
| if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX || |
| GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5761_AX) { |
| val = tr32(TG3_CPMU_LSPD_1000MB_CLK); |
| if ((val & CPMU_LSPD_1000MB_MACCLK_MASK) == |
| CPMU_LSPD_1000MB_MACCLK_12_5) { |
| val &= ~CPMU_LSPD_1000MB_MACCLK_MASK; |
| udelay(40); |
| tw32_f(TG3_CPMU_LSPD_1000MB_CLK, val); |
| } |
| } |
| |
| if (tg3_flag(tp, 5717_PLUS) && |
| (tp->phy_flags & TG3_PHYFLG_MII_SERDES)) |
| return 0; |
| |
| tg3_phy_apply_otp(tp); |
| |
| if (tp->phy_flags & TG3_PHYFLG_ENABLE_APD) |
| tg3_phy_toggle_apd(tp, true); |
| else |
| tg3_phy_toggle_apd(tp, false); |
| |
| out: |
| if ((tp->phy_flags & TG3_PHYFLG_ADC_BUG) && |
| !TG3_PHY_AUXCTL_SMDSP_ENABLE(tp)) { |
| tg3_phydsp_write(tp, 0x201f, 0x2aaa); |
| tg3_phydsp_write(tp, 0x000a, 0x0323); |
| TG3_PHY_AUXCTL_SMDSP_DISABLE(tp); |
| } |
| |
| if (tp->phy_flags & TG3_PHYFLG_5704_A0_BUG) { |
| tg3_writephy(tp, MII_TG3_MISC_SHDW, 0x8d68); |
| tg3_writephy(tp, MII_TG3_MISC_SHDW, 0x8d68); |
| } |
| |
| if (tp->phy_flags & TG3_PHYFLG_BER_BUG) { |
| if (!TG3_PHY_AUXCTL_SMDSP_ENABLE(tp)) { |
| tg3_phydsp_write(tp, 0x000a, 0x310b); |
| tg3_phydsp_write(tp, 0x201f, 0x9506); |
| tg3_phydsp_write(tp, 0x401f, 0x14e2); |
| TG3_PHY_AUXCTL_SMDSP_DISABLE(tp); |
| } |
| } else if (tp->phy_flags & TG3_PHYFLG_JITTER_BUG) { |
| if (!TG3_PHY_AUXCTL_SMDSP_ENABLE(tp)) { |
| tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a); |
| if (tp->phy_flags & TG3_PHYFLG_ADJUST_TRIM) { |
| tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x110b); |
| tg3_writephy(tp, MII_TG3_TEST1, |
| MII_TG3_TEST1_TRIM_EN | 0x4); |
| } else |
| tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x010b); |
| |
| TG3_PHY_AUXCTL_SMDSP_DISABLE(tp); |
| } |
| } |
| |
| /* Set Extended packet length bit (bit 14) on all chips that */ |
| /* support jumbo frames */ |
| if ((tp->phy_id & TG3_PHY_ID_MASK) == TG3_PHY_ID_BCM5401) { |
| /* Cannot do read-modify-write on 5401 */ |
| tg3_phy_auxctl_write(tp, MII_TG3_AUXCTL_SHDWSEL_AUXCTL, 0x4c20); |
| } else if (tg3_flag(tp, JUMBO_CAPABLE)) { |
| /* Set bit 14 with read-modify-write to preserve other bits */ |
| err = tg3_phy_auxctl_read(tp, |
| MII_TG3_AUXCTL_SHDWSEL_AUXCTL, &val); |
| if (!err) |
| tg3_phy_auxctl_write(tp, MII_TG3_AUXCTL_SHDWSEL_AUXCTL, |
| val | MII_TG3_AUXCTL_ACTL_EXTPKTLEN); |
| } |
| |
| /* Set phy register 0x10 bit 0 to high fifo elasticity to support |
| * jumbo frames transmission. |
| */ |
| if (tg3_flag(tp, JUMBO_CAPABLE)) { |
| if (!tg3_readphy(tp, MII_TG3_EXT_CTRL, &val)) |
| tg3_writephy(tp, MII_TG3_EXT_CTRL, |
| val | MII_TG3_EXT_CTRL_FIFO_ELASTIC); |
| } |
| |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) { |
| /* adjust output voltage */ |
| tg3_writephy(tp, MII_TG3_FET_PTEST, 0x12); |
| } |
| |
| tg3_phy_toggle_automdix(tp, 1); |
| tg3_phy_set_wirespeed(tp); |
| return 0; |
| } |
| |
| static void tg3_frob_aux_power(struct tg3 *tp) |
| { |
| bool need_vaux = false; |
| |
| /* The GPIOs do something completely different on 57765. */ |
| if (!tg3_flag(tp, IS_NIC) || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5719 || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765) |
| return; |
| |
| if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714 || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5720) && |
| tp->pdev_peer != tp->pdev) { |
| struct net_device *dev_peer; |
| |
| dev_peer = pci_get_drvdata(tp->pdev_peer); |
| |
| /* remove_one() may have been run on the peer. */ |
| if (dev_peer) { |
| struct tg3 *tp_peer = netdev_priv(dev_peer); |
| |
| if (tg3_flag(tp_peer, INIT_COMPLETE)) |
| return; |
| |
| if (tg3_flag(tp_peer, WOL_ENABLE) || |
| tg3_flag(tp_peer, ENABLE_ASF)) |
| need_vaux = true; |
| } |
| } |
| |
| if (tg3_flag(tp, WOL_ENABLE) || tg3_flag(tp, ENABLE_ASF)) |
| need_vaux = true; |
| |
| if (need_vaux) { |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) { |
| tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl | |
| (GRC_LCLCTRL_GPIO_OE0 | |
| GRC_LCLCTRL_GPIO_OE1 | |
| GRC_LCLCTRL_GPIO_OE2 | |
| GRC_LCLCTRL_GPIO_OUTPUT0 | |
| GRC_LCLCTRL_GPIO_OUTPUT1), |
| 100); |
| } else if (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5761 || |
| tp->pdev->device == TG3PCI_DEVICE_TIGON3_5761S) { |
| /* The 5761 non-e device swaps GPIO 0 and GPIO 2. */ |
| u32 grc_local_ctrl = GRC_LCLCTRL_GPIO_OE0 | |
| GRC_LCLCTRL_GPIO_OE1 | |
| GRC_LCLCTRL_GPIO_OE2 | |
| GRC_LCLCTRL_GPIO_OUTPUT0 | |
| GRC_LCLCTRL_GPIO_OUTPUT1 | |
| tp->grc_local_ctrl; |
| tw32_wait_f(GRC_LOCAL_CTRL, grc_local_ctrl, 100); |
| |
| grc_local_ctrl |= GRC_LCLCTRL_GPIO_OUTPUT2; |
| tw32_wait_f(GRC_LOCAL_CTRL, grc_local_ctrl, 100); |
| |
| grc_local_ctrl &= ~GRC_LCLCTRL_GPIO_OUTPUT0; |
| tw32_wait_f(GRC_LOCAL_CTRL, grc_local_ctrl, 100); |
| } else { |
| u32 no_gpio2; |
| u32 grc_local_ctrl = 0; |
| |
| /* Workaround to prevent overdrawing Amps. */ |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == |
| ASIC_REV_5714) { |
| grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE3; |
| tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl | |
| grc_local_ctrl, 100); |
| } |
| |
| /* On 5753 and variants, GPIO2 cannot be used. */ |
| no_gpio2 = tp->nic_sram_data_cfg & |
| NIC_SRAM_DATA_CFG_NO_GPIO2; |
| |
| grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE0 | |
| GRC_LCLCTRL_GPIO_OE1 | |
| GRC_LCLCTRL_GPIO_OE2 | |
| GRC_LCLCTRL_GPIO_OUTPUT1 | |
| GRC_LCLCTRL_GPIO_OUTPUT2; |
| if (no_gpio2) { |
| grc_local_ctrl &= ~(GRC_LCLCTRL_GPIO_OE2 | |
| GRC_LCLCTRL_GPIO_OUTPUT2); |
| } |
| tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl | |
| grc_local_ctrl, 100); |
| |
| grc_local_ctrl |= GRC_LCLCTRL_GPIO_OUTPUT0; |
| |
| tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl | |
| grc_local_ctrl, 100); |
| |
| if (!no_gpio2) { |
| grc_local_ctrl &= ~GRC_LCLCTRL_GPIO_OUTPUT2; |
| tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl | |
| grc_local_ctrl, 100); |
| } |
| } |
| } else { |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 && |
| GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) { |
| tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl | |
| (GRC_LCLCTRL_GPIO_OE1 | |
| GRC_LCLCTRL_GPIO_OUTPUT1), 100); |
| |
| tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl | |
| GRC_LCLCTRL_GPIO_OE1, 100); |
| |
| tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl | |
| (GRC_LCLCTRL_GPIO_OE1 | |
| GRC_LCLCTRL_GPIO_OUTPUT1), 100); |
| } |
| } |
| } |
| |
| static int tg3_5700_link_polarity(struct tg3 *tp, u32 speed) |
| { |
| if (tp->led_ctrl == LED_CTRL_MODE_PHY_2) |
| return 1; |
| else if ((tp->phy_id & TG3_PHY_ID_MASK) == TG3_PHY_ID_BCM5411) { |
| if (speed != SPEED_10) |
| return 1; |
| } else if (speed == SPEED_10) |
| return 1; |
| |
| return 0; |
| } |
| |
| static int tg3_setup_phy(struct tg3 *, int); |
| |
| #define RESET_KIND_SHUTDOWN 0 |
| #define RESET_KIND_INIT 1 |
| #define RESET_KIND_SUSPEND 2 |
| |
| static void tg3_write_sig_post_reset(struct tg3 *, int); |
| static int tg3_halt_cpu(struct tg3 *, u32); |
| |
| static void tg3_power_down_phy(struct tg3 *tp, bool do_low_power) |
| { |
| u32 val; |
| |
| if (tp->phy_flags & TG3_PHYFLG_PHY_SERDES) { |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) { |
| u32 sg_dig_ctrl = tr32(SG_DIG_CTRL); |
| u32 serdes_cfg = tr32(MAC_SERDES_CFG); |
| |
| sg_dig_ctrl |= |
| SG_DIG_USING_HW_AUTONEG | SG_DIG_SOFT_RESET; |
| tw32(SG_DIG_CTRL, sg_dig_ctrl); |
| tw32(MAC_SERDES_CFG, serdes_cfg | (1 << 15)); |
| } |
| return; |
| } |
| |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) { |
| tg3_bmcr_reset(tp); |
| val = tr32(GRC_MISC_CFG); |
| tw32_f(GRC_MISC_CFG, val | GRC_MISC_CFG_EPHY_IDDQ); |
| udelay(40); |
| return; |
| } else if (tp->phy_flags & TG3_PHYFLG_IS_FET) { |
| u32 phytest; |
| if (!tg3_readphy(tp, MII_TG3_FET_TEST, &phytest)) { |
| u32 phy; |
| |
| tg3_writephy(tp, MII_ADVERTISE, 0); |
| tg3_writephy(tp, MII_BMCR, |
| BMCR_ANENABLE | BMCR_ANRESTART); |
| |
| tg3_writephy(tp, MII_TG3_FET_TEST, |
| phytest | MII_TG3_FET_SHADOW_EN); |
| if (!tg3_readphy(tp, MII_TG3_FET_SHDW_AUXMODE4, &phy)) { |
| phy |= MII_TG3_FET_SHDW_AUXMODE4_SBPD; |
| tg3_writephy(tp, |
| MII_TG3_FET_SHDW_AUXMODE4, |
| phy); |
| } |
| tg3_writephy(tp, MII_TG3_FET_TEST, phytest); |
| } |
| return; |
| } else if (do_low_power) { |
| tg3_writephy(tp, MII_TG3_EXT_CTRL, |
| MII_TG3_EXT_CTRL_FORCE_LED_OFF); |
| |
| val = MII_TG3_AUXCTL_PCTL_100TX_LPWR | |
| MII_TG3_AUXCTL_PCTL_SPR_ISOLATE | |
| MII_TG3_AUXCTL_PCTL_VREG_11V; |
| tg3_phy_auxctl_write(tp, MII_TG3_AUXCTL_SHDWSEL_PWRCTL, val); |
| } |
| |
| /* The PHY should not be powered down on some chips because |
| * of bugs. |
| */ |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 || |
| (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780 && |
| (tp->phy_flags & TG3_PHYFLG_MII_SERDES))) |
| return; |
| |
| if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX || |
| GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5761_AX) { |
| val = tr32(TG3_CPMU_LSPD_1000MB_CLK); |
| val &= ~CPMU_LSPD_1000MB_MACCLK_MASK; |
| val |= CPMU_LSPD_1000MB_MACCLK_12_5; |
| tw32_f(TG3_CPMU_LSPD_1000MB_CLK, val); |
| } |
| |
| tg3_writephy(tp, MII_BMCR, BMCR_PDOWN); |
| } |
| |
| /* tp->lock is held. */ |
| static int tg3_nvram_lock(struct tg3 *tp) |
| { |
| if (tg3_flag(tp, NVRAM)) { |
| int i; |
| |
| if (tp->nvram_lock_cnt == 0) { |
| tw32(NVRAM_SWARB, SWARB_REQ_SET1); |
| for (i = 0; i < 8000; i++) { |
| if (tr32(NVRAM_SWARB) & SWARB_GNT1) |
| break; |
| udelay(20); |
| } |
| if (i == 8000) { |
| tw32(NVRAM_SWARB, SWARB_REQ_CLR1); |
| return -ENODEV; |
| } |
| } |
| tp->nvram_lock_cnt++; |
| } |
| return 0; |
| } |
| |
| /* tp->lock is held. */ |
| static void tg3_nvram_unlock(struct tg3 *tp) |
| { |
| if (tg3_flag(tp, NVRAM)) { |
| if (tp->nvram_lock_cnt > 0) |
| tp->nvram_lock_cnt--; |
| if (tp->nvram_lock_cnt == 0) |
| tw32_f(NVRAM_SWARB, SWARB_REQ_CLR1); |
| } |
| } |
| |
| /* tp->lock is held. */ |
| static void tg3_enable_nvram_access(struct tg3 *tp) |
| { |
| if (tg3_flag(tp, 5750_PLUS) && !tg3_flag(tp, PROTECTED_NVRAM)) { |
| u32 nvaccess = tr32(NVRAM_ACCESS); |
| |
| tw32(NVRAM_ACCESS, nvaccess | ACCESS_ENABLE); |
| } |
| } |
| |
| /* tp->lock is held. */ |
| static void tg3_disable_nvram_access(struct tg3 *tp) |
| { |
| if (tg3_flag(tp, 5750_PLUS) && !tg3_flag(tp, PROTECTED_NVRAM)) { |
| u32 nvaccess = tr32(NVRAM_ACCESS); |
| |
| tw32(NVRAM_ACCESS, nvaccess & ~ACCESS_ENABLE); |
| } |
| } |
| |
| static int tg3_nvram_read_using_eeprom(struct tg3 *tp, |
| u32 offset, u32 *val) |
| { |
| u32 tmp; |
| int i; |
| |
| if (offset > EEPROM_ADDR_ADDR_MASK || (offset % 4) != 0) |
| return -EINVAL; |
| |
| tmp = tr32(GRC_EEPROM_ADDR) & ~(EEPROM_ADDR_ADDR_MASK | |
| EEPROM_ADDR_DEVID_MASK | |
| EEPROM_ADDR_READ); |
| tw32(GRC_EEPROM_ADDR, |
| tmp | |
| (0 << EEPROM_ADDR_DEVID_SHIFT) | |
| ((offset << EEPROM_ADDR_ADDR_SHIFT) & |
| EEPROM_ADDR_ADDR_MASK) | |
| EEPROM_ADDR_READ | EEPROM_ADDR_START); |
| |
| for (i = 0; i < 1000; i++) { |
| tmp = tr32(GRC_EEPROM_ADDR); |
| |
| if (tmp & EEPROM_ADDR_COMPLETE) |
| break; |
| msleep(1); |
| } |
| if (!(tmp & EEPROM_ADDR_COMPLETE)) |
| return -EBUSY; |
| |
| tmp = tr32(GRC_EEPROM_DATA); |
| |
| /* |
| * The data will always be opposite the native endian |
| * format. Perform a blind byteswap to compensate. |
| */ |
| *val = swab32(tmp); |
| |
| return 0; |
| } |
| |
| #define NVRAM_CMD_TIMEOUT 10000 |
| |
| static int tg3_nvram_exec_cmd(struct tg3 *tp, u32 nvram_cmd) |
| { |
| int i; |
| |
| tw32(NVRAM_CMD, nvram_cmd); |
| for (i = 0; i < NVRAM_CMD_TIMEOUT; i++) { |
| udelay(10); |
| if (tr32(NVRAM_CMD) & NVRAM_CMD_DONE) { |
| udelay(10); |
| break; |
| } |
| } |
| |
| if (i == NVRAM_CMD_TIMEOUT) |
| return -EBUSY; |
| |
| return 0; |
| } |
| |
| static u32 tg3_nvram_phys_addr(struct tg3 *tp, u32 addr) |
| { |
| if (tg3_flag(tp, NVRAM) && |
| tg3_flag(tp, NVRAM_BUFFERED) && |
| tg3_flag(tp, FLASH) && |
| !tg3_flag(tp, NO_NVRAM_ADDR_TRANS) && |
| (tp->nvram_jedecnum == JEDEC_ATMEL)) |
| |
| addr = ((addr / tp->nvram_pagesize) << |
| ATMEL_AT45DB0X1B_PAGE_POS) + |
| (addr % tp->nvram_pagesize); |
| |
| return addr; |
| } |
| |
| static u32 tg3_nvram_logical_addr(struct tg3 *tp, u32 addr) |
| { |
| if (tg3_flag(tp, NVRAM) && |
| tg3_flag(tp, NVRAM_BUFFERED) && |
| tg3_flag(tp, FLASH) && |
| !tg3_flag(tp, NO_NVRAM_ADDR_TRANS) && |
| (tp->nvram_jedecnum == JEDEC_ATMEL)) |
| |
| addr = ((addr >> ATMEL_AT45DB0X1B_PAGE_POS) * |
| tp->nvram_pagesize) + |
| (addr & ((1 << ATMEL_AT45DB0X1B_PAGE_POS) - 1)); |
| |
| return addr; |
| } |
| |
| /* NOTE: Data read in from NVRAM is byteswapped according to |
| * the byteswapping settings for all other register accesses. |
| * tg3 devices are BE devices, so on a BE machine, the data |
| * returned will be exactly as it is seen in NVRAM. On a LE |
| * machine, the 32-bit value will be byteswapped. |
| */ |
| static int tg3_nvram_read(struct tg3 *tp, u32 offset, u32 *val) |
| { |
| int ret; |
| |
| if (!tg3_flag(tp, NVRAM)) |
| return tg3_nvram_read_using_eeprom(tp, offset, val); |
| |
| offset = tg3_nvram_phys_addr(tp, offset); |
| |
| if (offset > NVRAM_ADDR_MSK) |
| return -EINVAL; |
| |
| ret = tg3_nvram_lock(tp); |
| if (ret) |
| return ret; |
| |
| tg3_enable_nvram_access(tp); |
| |
| tw32(NVRAM_ADDR, offset); |
| ret = tg3_nvram_exec_cmd(tp, NVRAM_CMD_RD | NVRAM_CMD_GO | |
| NVRAM_CMD_FIRST | NVRAM_CMD_LAST | NVRAM_CMD_DONE); |
| |
| if (ret == 0) |
| *val = tr32(NVRAM_RDDATA); |
| |
| tg3_disable_nvram_access(tp); |
| |
| tg3_nvram_unlock(tp); |
| |
| return ret; |
| } |
| |
| /* Ensures NVRAM data is in bytestream format. */ |
| static int tg3_nvram_read_be32(struct tg3 *tp, u32 offset, __be32 *val) |
| { |
| u32 v; |
| int res = tg3_nvram_read(tp, offset, &v); |
| if (!res) |
| *val = cpu_to_be32(v); |
| return res; |
| } |
| |
| /* tp->lock is held. */ |
| static void __tg3_set_mac_addr(struct tg3 *tp, int skip_mac_1) |
| { |
| u32 addr_high, addr_low; |
| int i; |
| |
| addr_high = ((tp->dev->dev_addr[0] << 8) | |
| tp->dev->dev_addr[1]); |
| addr_low = ((tp->dev->dev_addr[2] << 24) | |
| (tp->dev->dev_addr[3] << 16) | |
| (tp->dev->dev_addr[4] << 8) | |
| (tp->dev->dev_addr[5] << 0)); |
| for (i = 0; i < 4; i++) { |
| if (i == 1 && skip_mac_1) |
| continue; |
| tw32(MAC_ADDR_0_HIGH + (i * 8), addr_high); |
| tw32(MAC_ADDR_0_LOW + (i * 8), addr_low); |
| } |
| |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) { |
| for (i = 0; i < 12; i++) { |
| tw32(MAC_EXTADDR_0_HIGH + (i * 8), addr_high); |
| tw32(MAC_EXTADDR_0_LOW + (i * 8), addr_low); |
| } |
| } |
| |
| addr_high = (tp->dev->dev_addr[0] + |
| tp->dev->dev_addr[1] + |
| tp->dev->dev_addr[2] + |
| tp->dev->dev_addr[3] + |
| tp->dev->dev_addr[4] + |
| tp->dev->dev_addr[5]) & |
| TX_BACKOFF_SEED_MASK; |
| tw32(MAC_TX_BACKOFF_SEED, addr_high); |
| } |
| |
| static void tg3_enable_register_access(struct tg3 *tp) |
| { |
| /* |
| * Make sure register accesses (indirect or otherwise) will function |
| * correctly. |
| */ |
| pci_write_config_dword(tp->pdev, |
| TG3PCI_MISC_HOST_CTRL, tp->misc_host_ctrl); |
| } |
| |
| static int tg3_power_up(struct tg3 *tp) |
| { |
| tg3_enable_register_access(tp); |
| |
| pci_set_power_state(tp->pdev, PCI_D0); |
| |
| /* Switch out of Vaux if it is a NIC */ |
| if (tg3_flag(tp, IS_NIC)) |
| tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl, 100); |
| |
| return 0; |
| } |
| |
| static int tg3_power_down_prepare(struct tg3 *tp) |
| { |
| u32 misc_host_ctrl; |
| bool device_should_wake, do_low_power; |
| |
| tg3_enable_register_access(tp); |
| |
| /* Restore the CLKREQ setting. */ |
| if (tg3_flag(tp, CLKREQ_BUG)) { |
| u16 lnkctl; |
| |
| pci_read_config_word(tp->pdev, |
| tp->pcie_cap + PCI_EXP_LNKCTL, |
| &lnkctl); |
| lnkctl |= PCI_EXP_LNKCTL_CLKREQ_EN; |
| pci_write_config_word(tp->pdev, |
| tp->pcie_cap + PCI_EXP_LNKCTL, |
| lnkctl); |
| } |
| |
| misc_host_ctrl = tr32(TG3PCI_MISC_HOST_CTRL); |
| tw32(TG3PCI_MISC_HOST_CTRL, |
| misc_host_ctrl | MISC_HOST_CTRL_MASK_PCI_INT); |
| |
| device_should_wake = device_may_wakeup(&tp->pdev->dev) && |
| tg3_flag(tp, WOL_ENABLE); |
| |
| if (tg3_flag(tp, USE_PHYLIB)) { |
| do_low_power = false; |
| if ((tp->phy_flags & TG3_PHYFLG_IS_CONNECTED) && |
| !(tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER)) { |
| struct phy_device *phydev; |
| u32 phyid, advertising; |
| |
| phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR]; |
| |
| tp->phy_flags |= TG3_PHYFLG_IS_LOW_POWER; |
| |
| tp->link_config.orig_speed = phydev->speed; |
| tp->link_config.orig_duplex = phydev->duplex; |
| tp->link_config.orig_autoneg = phydev->autoneg; |
| tp->link_config.orig_advertising = phydev->advertising; |
| |
| advertising = ADVERTISED_TP | |
| ADVERTISED_Pause | |
| ADVERTISED_Autoneg | |
| ADVERTISED_10baseT_Half; |
| |
| if (tg3_flag(tp, ENABLE_ASF) || device_should_wake) { |
| if (tg3_flag(tp, WOL_SPEED_100MB)) |
| advertising |= |
| ADVERTISED_100baseT_Half | |
| ADVERTISED_100baseT_Full | |
| ADVERTISED_10baseT_Full; |
| else |
| advertising |= ADVERTISED_10baseT_Full; |
| } |
| |
| phydev->advertising = advertising; |
| |
| phy_start_aneg(phydev); |
| |
| phyid = phydev->drv->phy_id & phydev->drv->phy_id_mask; |
| if (phyid != PHY_ID_BCMAC131) { |
| phyid &= PHY_BCM_OUI_MASK; |
| if (phyid == PHY_BCM_OUI_1 || |
| phyid == PHY_BCM_OUI_2 || |
| phyid == PHY_BCM_OUI_3) |
| do_low_power = true; |
| } |
| } |
| } else { |
| do_low_power = true; |
| |
| if (!(tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER)) { |
| tp->phy_flags |= TG3_PHYFLG_IS_LOW_POWER; |
| tp->link_config.orig_speed = tp->link_config.speed; |
| tp->link_config.orig_duplex = tp->link_config.duplex; |
| tp->link_config.orig_autoneg = tp->link_config.autoneg; |
| } |
| |
| if (!(tp->phy_flags & TG3_PHYFLG_ANY_SERDES)) { |
| tp->link_config.speed = SPEED_10; |
| tp->link_config.duplex = DUPLEX_HALF; |
| tp->link_config.autoneg = AUTONEG_ENABLE; |
| tg3_setup_phy(tp, 0); |
| } |
| } |
| |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) { |
| u32 val; |
| |
| val = tr32(GRC_VCPU_EXT_CTRL); |
| tw32(GRC_VCPU_EXT_CTRL, val | GRC_VCPU_EXT_CTRL_DISABLE_WOL); |
| } else if (!tg3_flag(tp, ENABLE_ASF)) { |
| int i; |
| u32 val; |
| |
| for (i = 0; i < 200; i++) { |
| tg3_read_mem(tp, NIC_SRAM_FW_ASF_STATUS_MBOX, &val); |
| if (val == ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1) |
| break; |
| msleep(1); |
| } |
| } |
| if (tg3_flag(tp, WOL_CAP)) |
| tg3_write_mem(tp, NIC_SRAM_WOL_MBOX, WOL_SIGNATURE | |
| WOL_DRV_STATE_SHUTDOWN | |
| WOL_DRV_WOL | |
| WOL_SET_MAGIC_PKT); |
| |
| if (device_should_wake) { |
| u32 mac_mode; |
| |
| if (!(tp->phy_flags & TG3_PHYFLG_PHY_SERDES)) { |
| if (do_low_power && |
| !(tp->phy_flags & TG3_PHYFLG_IS_FET)) { |
| tg3_phy_auxctl_write(tp, |
| MII_TG3_AUXCTL_SHDWSEL_PWRCTL, |
| MII_TG3_AUXCTL_PCTL_WOL_EN | |
| MII_TG3_AUXCTL_PCTL_100TX_LPWR | |
| MII_TG3_AUXCTL_PCTL_CL_AB_TXDAC); |
| udelay(40); |
| } |
| |
| if (tp->phy_flags & TG3_PHYFLG_MII_SERDES) |
| mac_mode = MAC_MODE_PORT_MODE_GMII; |
| else |
| mac_mode = MAC_MODE_PORT_MODE_MII; |
| |
| mac_mode |= tp->mac_mode & MAC_MODE_LINK_POLARITY; |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == |
| ASIC_REV_5700) { |
| u32 speed = tg3_flag(tp, WOL_SPEED_100MB) ? |
| SPEED_100 : SPEED_10; |
| if (tg3_5700_link_polarity(tp, speed)) |
| mac_mode |= MAC_MODE_LINK_POLARITY; |
| else |
| mac_mode &= ~MAC_MODE_LINK_POLARITY; |
| } |
| } else { |
| mac_mode = MAC_MODE_PORT_MODE_TBI; |
| } |
| |
| if (!tg3_flag(tp, 5750_PLUS)) |
| tw32(MAC_LED_CTRL, tp->led_ctrl); |
| |
| mac_mode |= MAC_MODE_MAGIC_PKT_ENABLE; |
| if ((tg3_flag(tp, 5705_PLUS) && !tg3_flag(tp, 5780_CLASS)) && |
| (tg3_flag(tp, ENABLE_ASF) || tg3_flag(tp, ENABLE_APE))) |
| mac_mode |= MAC_MODE_KEEP_FRAME_IN_WOL; |
| |
| if (tg3_flag(tp, ENABLE_APE)) |
| mac_mode |= MAC_MODE_APE_TX_EN | |
| MAC_MODE_APE_RX_EN | |
| MAC_MODE_TDE_ENABLE; |
| |
| tw32_f(MAC_MODE, mac_mode); |
| udelay(100); |
| |
| tw32_f(MAC_RX_MODE, RX_MODE_ENABLE); |
| udelay(10); |
| } |
| |
| if (!tg3_flag(tp, WOL_SPEED_100MB) && |
| (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) { |
| u32 base_val; |
| |
| base_val = tp->pci_clock_ctrl; |
| base_val |= (CLOCK_CTRL_RXCLK_DISABLE | |
| CLOCK_CTRL_TXCLK_DISABLE); |
| |
| tw32_wait_f(TG3PCI_CLOCK_CTRL, base_val | CLOCK_CTRL_ALTCLK | |
| CLOCK_CTRL_PWRDOWN_PLL133, 40); |
| } else if (tg3_flag(tp, 5780_CLASS) || |
| tg3_flag(tp, CPMU_PRESENT) || |
| (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)) { |
| /* do nothing */ |
| } else if (!(tg3_flag(tp, 5750_PLUS) && tg3_flag(tp, ENABLE_ASF))) { |
| u32 newbits1, newbits2; |
| |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) { |
| newbits1 = (CLOCK_CTRL_RXCLK_DISABLE | |
| CLOCK_CTRL_TXCLK_DISABLE | |
| CLOCK_CTRL_ALTCLK); |
| newbits2 = newbits1 | CLOCK_CTRL_44MHZ_CORE; |
| } else if (tg3_flag(tp, 5705_PLUS)) { |
| newbits1 = CLOCK_CTRL_625_CORE; |
| newbits2 = newbits1 | CLOCK_CTRL_ALTCLK; |
| } else { |
| newbits1 = CLOCK_CTRL_ALTCLK; |
| newbits2 = newbits1 | CLOCK_CTRL_44MHZ_CORE; |
| } |
| |
| tw32_wait_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits1, |
| 40); |
| |
| tw32_wait_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits2, |
| 40); |
| |
| if (!tg3_flag(tp, 5705_PLUS)) { |
| u32 newbits3; |
| |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) { |
| newbits3 = (CLOCK_CTRL_RXCLK_DISABLE | |
| CLOCK_CTRL_TXCLK_DISABLE | |
| CLOCK_CTRL_44MHZ_CORE); |
| } else { |
| newbits3 = CLOCK_CTRL_44MHZ_CORE; |
| } |
| |
| tw32_wait_f(TG3PCI_CLOCK_CTRL, |
| tp->pci_clock_ctrl | newbits3, 40); |
| } |
| } |
| |
| if (!(device_should_wake) && !tg3_flag(tp, ENABLE_ASF)) |
| tg3_power_down_phy(tp, do_low_power); |
| |
| tg3_frob_aux_power(tp); |
| |
| /* Workaround for unstable PLL clock */ |
| if ((GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_AX) || |
| (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_BX)) { |
| u32 val = tr32(0x7d00); |
| |
| val &= ~((1 << 16) | (1 << 4) | (1 << 2) | (1 << 1) | 1); |
| tw32(0x7d00, val); |
| if (!tg3_flag(tp, ENABLE_ASF)) { |
| int err; |
| |
| err = tg3_nvram_lock(tp); |
| tg3_halt_cpu(tp, RX_CPU_BASE); |
| if (!err) |
| tg3_nvram_unlock(tp); |
| } |
| } |
| |
| tg3_write_sig_post_reset(tp, RESET_KIND_SHUTDOWN); |
| |
| return 0; |
| } |
| |
| static void tg3_power_down(struct tg3 *tp) |
| { |
| tg3_power_down_prepare(tp); |
| |
| pci_wake_from_d3(tp->pdev, tg3_flag(tp, WOL_ENABLE)); |
| pci_set_power_state(tp->pdev, PCI_D3hot); |
| } |
| |
| static void tg3_aux_stat_to_speed_duplex(struct tg3 *tp, u32 val, u16 *speed, u8 *duplex) |
| { |
| switch (val & MII_TG3_AUX_STAT_SPDMASK) { |
| case MII_TG3_AUX_STAT_10HALF: |
| *speed = SPEED_10; |
| *duplex = DUPLEX_HALF; |
| break; |
| |
| case MII_TG3_AUX_STAT_10FULL: |
| *speed = SPEED_10; |
| *duplex = DUPLEX_FULL; |
| break; |
| |
| case MII_TG3_AUX_STAT_100HALF: |
| *speed = SPEED_100; |
| *duplex = DUPLEX_HALF; |
| break; |
| |
| case MII_TG3_AUX_STAT_100FULL: |
| *speed = SPEED_100; |
| *duplex = DUPLEX_FULL; |
| break; |
| |
| case MII_TG3_AUX_STAT_1000HALF: |
| *speed = SPEED_1000; |
| *duplex = DUPLEX_HALF; |
| break; |
| |
| case MII_TG3_AUX_STAT_1000FULL: |
| *speed = SPEED_1000; |
| *duplex = DUPLEX_FULL; |
| break; |
| |
| default: |
| if (tp->phy_flags & TG3_PHYFLG_IS_FET) { |
| *speed = (val & MII_TG3_AUX_STAT_100) ? SPEED_100 : |
| SPEED_10; |
| *duplex = (val & MII_TG3_AUX_STAT_FULL) ? DUPLEX_FULL : |
| DUPLEX_HALF; |
| break; |
| } |
| *speed = SPEED_INVALID; |
| *duplex = DUPLEX_INVALID; |
| break; |
| } |
| } |
| |
| static void tg3_phy_copper_begin(struct tg3 *tp) |
| { |
| u32 new_adv; |
| int i; |
| |
| if (tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER) { |
| /* Entering low power mode. Disable gigabit and |
| * 100baseT advertisements. |
| */ |
| tg3_writephy(tp, MII_TG3_CTRL, 0); |
| |
| new_adv = (ADVERTISE_10HALF | ADVERTISE_10FULL | |
| ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP); |
| if (tg3_flag(tp, WOL_SPEED_100MB)) |
| new_adv |= (ADVERTISE_100HALF | ADVERTISE_100FULL); |
| |
| tg3_writephy(tp, MII_ADVERTISE, new_adv); |
| } else if (tp->link_config.speed == SPEED_INVALID) { |
| if (tp->phy_flags & TG3_PHYFLG_10_100_ONLY) |
| tp->link_config.advertising &= |
| ~(ADVERTISED_1000baseT_Half | |
| ADVERTISED_1000baseT_Full); |
| |
| new_adv = ADVERTISE_CSMA; |
| if (tp->link_config.advertising & ADVERTISED_10baseT_Half) |
| new_adv |= ADVERTISE_10HALF; |
| if (tp->link_config.advertising & ADVERTISED_10baseT_Full) |
| new_adv |= ADVERTISE_10FULL; |
| if (tp->link_config.advertising & ADVERTISED_100baseT_Half) |
| new_adv |= ADVERTISE_100HALF; |
| if (tp->link_config.advertising & ADVERTISED_100baseT_Full) |
| new_adv |= ADVERTISE_100FULL; |
| |
| new_adv |= tg3_advert_flowctrl_1000T(tp->link_config.flowctrl); |
| |
| tg3_writephy(tp, MII_ADVERTISE, new_adv); |
| |
| if (tp->link_config.advertising & |
| (ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full)) { |
| new_adv = 0; |
| if (tp->link_config.advertising & ADVERTISED_1000baseT_Half) |
| new_adv |= MII_TG3_CTRL_ADV_1000_HALF; |
| if (tp->link_config.advertising & ADVERTISED_1000baseT_Full) |
| new_adv |= MII_TG3_CTRL_ADV_1000_FULL; |
| if (!(tp->phy_flags & TG3_PHYFLG_10_100_ONLY) && |
| (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 || |
| tp->pci_chip_rev_id == CHIPREV_ID_5701_B0)) |
| new_adv |= (MII_TG3_CTRL_AS_MASTER | |
| MII_TG3_CTRL_ENABLE_AS_MASTER); |
| tg3_writephy(tp, MII_TG3_CTRL, new_adv); |
| } else { |
| tg3_writephy(tp, MII_TG3_CTRL, 0); |
| } |
| } else { |
| new_adv = tg3_advert_flowctrl_1000T(tp->link_config.flowctrl); |
| new_adv |= ADVERTISE_CSMA; |
| |
| /* Asking for a specific link mode. */ |
| if (tp->link_config.speed == SPEED_1000) { |
| tg3_writephy(tp, MII_ADVERTISE, new_adv); |
| |
| if (tp->link_config.duplex == DUPLEX_FULL) |
| new_adv = MII_TG3_CTRL_ADV_1000_FULL; |
| else |
| new_adv = MII_TG3_CTRL_ADV_1000_HALF; |
| if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 || |
| tp->pci_chip_rev_id == CHIPREV_ID_5701_B0) |
| new_adv |= (MII_TG3_CTRL_AS_MASTER | |
| MII_TG3_CTRL_ENABLE_AS_MASTER); |
| } else { |
| if (tp->link_config.speed == SPEED_100) { |
| if (tp->link_config.duplex == DUPLEX_FULL) |
| new_adv |= ADVERTISE_100FULL; |
| else |
| new_adv |= ADVERTISE_100HALF; |
| } else { |
| if (tp->link_config.duplex == DUPLEX_FULL) |
| new_adv |= ADVERTISE_10FULL; |
| else |
| new_adv |= ADVERTISE_10HALF; |
| } |
| tg3_writephy(tp, MII_ADVERTISE, new_adv); |
| |
| new_adv = 0; |
| } |
| |
| tg3_writephy(tp, MII_TG3_CTRL, new_adv); |
| } |
| |
| if (tp->phy_flags & TG3_PHYFLG_EEE_CAP) { |
| u32 val; |
| |
| tw32(TG3_CPMU_EEE_MODE, |
| tr32(TG3_CPMU_EEE_MODE) & ~TG3_CPMU_EEEMD_LPI_ENABLE); |
| |
| TG3_PHY_AUXCTL_SMDSP_ENABLE(tp); |
| |
| switch (GET_ASIC_REV(tp->pci_chip_rev_id)) { |
| case ASIC_REV_5717: |
| case ASIC_REV_57765: |
| if (!tg3_phydsp_read(tp, MII_TG3_DSP_CH34TP2, &val)) |
| tg3_phydsp_write(tp, MII_TG3_DSP_CH34TP2, val | |
| MII_TG3_DSP_CH34TP2_HIBW01); |
| /* Fall through */ |
| case ASIC_REV_5719: |
| val = MII_TG3_DSP_TAP26_ALNOKO | |
| MII_TG3_DSP_TAP26_RMRXSTO | |
| MII_TG3_DSP_TAP26_OPCSINPT; |
| tg3_phydsp_write(tp, MII_TG3_DSP_TAP26, val); |
| } |
| |
| val = 0; |
| if (tp->link_config.autoneg == AUTONEG_ENABLE) { |
| /* Advertise 100-BaseTX EEE ability */ |
| if (tp->link_config.advertising & |
| ADVERTISED_100baseT_Full) |
| val |= MDIO_AN_EEE_ADV_100TX; |
| /* Advertise 1000-BaseT EEE ability */ |
| if (tp->link_config.advertising & |
| ADVERTISED_1000baseT_Full) |
| val |= MDIO_AN_EEE_ADV_1000T; |
| } |
| tg3_phy_cl45_write(tp, MDIO_MMD_AN, MDIO_AN_EEE_ADV, val); |
| |
| TG3_PHY_AUXCTL_SMDSP_DISABLE(tp); |
| } |
| |
| if (tp->link_config.autoneg == AUTONEG_DISABLE && |
| tp->link_config.speed != SPEED_INVALID) { |
| u32 bmcr, orig_bmcr; |
| |
| tp->link_config.active_speed = tp->link_config.speed; |
| tp->link_config.active_duplex = tp->link_config.duplex; |
| |
| bmcr = 0; |
| switch (tp->link_config.speed) { |
| default: |
| case SPEED_10: |
| break; |
| |
| case SPEED_100: |
| bmcr |= BMCR_SPEED100; |
| break; |
| |
| case SPEED_1000: |
| bmcr |= TG3_BMCR_SPEED1000; |
| break; |
| } |
| |
| if (tp->link_config.duplex == DUPLEX_FULL) |
| bmcr |= BMCR_FULLDPLX; |
| |
| if (!tg3_readphy(tp, MII_BMCR, &orig_bmcr) && |
| (bmcr != orig_bmcr)) { |
| tg3_writephy(tp, MII_BMCR, BMCR_LOOPBACK); |
| for (i = 0; i < 1500; i++) { |
| u32 tmp; |
| |
| udelay(10); |
| if (tg3_readphy(tp, MII_BMSR, &tmp) || |
| tg3_readphy(tp, MII_BMSR, &tmp)) |
| continue; |
| if (!(tmp & BMSR_LSTATUS)) { |
| udelay(40); |
| break; |
| } |
| } |
| tg3_writephy(tp, MII_BMCR, bmcr); |
| udelay(40); |
| } |
| } else { |
| tg3_writephy(tp, MII_BMCR, |
| BMCR_ANENABLE | BMCR_ANRESTART); |
| } |
| } |
| |
| static int tg3_init_5401phy_dsp(struct tg3 *tp) |
| { |
| int err; |
| |
| /* Turn off tap power management. */ |
| /* Set Extended packet length bit */ |
| err = tg3_phy_auxctl_write(tp, MII_TG3_AUXCTL_SHDWSEL_AUXCTL, 0x4c20); |
| |
| err |= tg3_phydsp_write(tp, 0x0012, 0x1804); |
| err |= tg3_phydsp_write(tp, 0x0013, 0x1204); |
| err |= tg3_phydsp_write(tp, 0x8006, 0x0132); |
| err |= tg3_phydsp_write(tp, 0x8006, 0x0232); |
| err |= tg3_phydsp_write(tp, 0x201f, 0x0a20); |
| |
| udelay(40); |
| |
| return err; |
| } |
| |
| static int tg3_copper_is_advertising_all(struct tg3 *tp, u32 mask) |
| { |
| u32 adv_reg, all_mask = 0; |
| |
| if (mask & ADVERTISED_10baseT_Half) |
| all_mask |= ADVERTISE_10HALF; |
| if (mask & ADVERTISED_10baseT_Full) |
| all_mask |= ADVERTISE_10FULL; |
| if (mask & ADVERTISED_100baseT_Half) |
| all_mask |= ADVERTISE_100HALF; |
| if (mask & ADVERTISED_100baseT_Full) |
| all_mask |= ADVERTISE_100FULL; |
| |
| if (tg3_readphy(tp, MII_ADVERTISE, &adv_reg)) |
| return 0; |
| |
| if ((adv_reg & all_mask) != all_mask) |
| return 0; |
| if (!(tp->phy_flags & TG3_PHYFLG_10_100_ONLY)) { |
| u32 tg3_ctrl; |
| |
| all_mask = 0; |
| if (mask & ADVERTISED_1000baseT_Half) |
| all_mask |= ADVERTISE_1000HALF; |
| if (mask & ADVERTISED_1000baseT_Full) |
| all_mask |= ADVERTISE_1000FULL; |
| |
| if (tg3_readphy(tp, MII_TG3_CTRL, &tg3_ctrl)) |
| return 0; |
| |
| if ((tg3_ctrl & all_mask) != all_mask) |
| return 0; |
| } |
| return 1; |
| } |
| |
| static int tg3_adv_1000T_flowctrl_ok(struct tg3 *tp, u32 *lcladv, u32 *rmtadv) |
| { |
| u32 curadv, reqadv; |
| |
| if (tg3_readphy(tp, MII_ADVERTISE, lcladv)) |
| return 1; |
| |
| curadv = *lcladv & (ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM); |
| reqadv = tg3_advert_flowctrl_1000T(tp->link_config.flowctrl); |
| |
| if (tp->link_config.active_duplex == DUPLEX_FULL) { |
| if (curadv != reqadv) |
| return 0; |
| |
| if (tg3_flag(tp, PAUSE_AUTONEG)) |
| tg3_readphy(tp, MII_LPA, rmtadv); |
| } else { |
| /* Reprogram the advertisement register, even if it |
| * does not affect the current link. If the link |
| * gets renegotiated in the future, we can save an |
| * additional renegotiation cycle by advertising |
| * it correctly in the first place. |
| */ |
| if (curadv != reqadv) { |
| *lcladv &= ~(ADVERTISE_PAUSE_CAP | |
| ADVERTISE_PAUSE_ASYM); |
| tg3_writephy(tp, MII_ADVERTISE, *lcladv | reqadv); |
| } |
| } |
| |
| return 1; |
| } |
| |
| static int tg3_setup_copper_phy(struct tg3 *tp, int force_reset) |
| { |
| int current_link_up; |
| u32 bmsr, val; |
| u32 lcl_adv, rmt_adv; |
| u16 current_speed; |
| u8 current_duplex; |
| int i, err; |
| |
| tw32(MAC_EVENT, 0); |
| |
| tw32_f(MAC_STATUS, |
| (MAC_STATUS_SYNC_CHANGED | |
| MAC_STATUS_CFG_CHANGED | |
| MAC_STATUS_MI_COMPLETION | |
| MAC_STATUS_LNKSTATE_CHANGED)); |
| udelay(40); |
| |
| if ((tp->mi_mode & MAC_MI_MODE_AUTO_POLL) != 0) { |
| tw32_f(MAC_MI_MODE, |
| (tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL)); |
| udelay(80); |
| } |
| |
| tg3_phy_auxctl_write(tp, MII_TG3_AUXCTL_SHDWSEL_PWRCTL, 0); |
| |
| /* Some third-party PHYs need to be reset on link going |
| * down. |
| */ |
| if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) && |
| netif_carrier_ok(tp->dev)) { |
| tg3_readphy(tp, MII_BMSR, &bmsr); |
| if (!tg3_readphy(tp, MII_BMSR, &bmsr) && |
| !(bmsr & BMSR_LSTATUS)) |
| force_reset = 1; |
| } |
| if (force_reset) |
| tg3_phy_reset(tp); |
| |
| if ((tp->phy_id & TG3_PHY_ID_MASK) == TG3_PHY_ID_BCM5401) { |
| tg3_readphy(tp, MII_BMSR, &bmsr); |
| if (tg3_readphy(tp, MII_BMSR, &bmsr) || |
| !tg3_flag(tp, INIT_COMPLETE)) |
| bmsr = 0; |
| |
| if (!(bmsr & BMSR_LSTATUS)) { |
| err = tg3_init_5401phy_dsp(tp); |
| if (err) |
| return err; |
| |
| tg3_readphy(tp, MII_BMSR, &bmsr); |
| for (i = 0; i < 1000; i++) { |
| udelay(10); |
| if (!tg3_readphy(tp, MII_BMSR, &bmsr) && |
| (bmsr & BMSR_LSTATUS)) { |
| udelay(40); |
| break; |
| } |
| } |
| |
| if ((tp->phy_id & TG3_PHY_ID_REV_MASK) == |
| TG3_PHY_REV_BCM5401_B0 && |
| !(bmsr & BMSR_LSTATUS) && |
| tp->link_config.active_speed == SPEED_1000) { |
| err = tg3_phy_reset(tp); |
| if (!err) |
| err = tg3_init_5401phy_dsp(tp); |
| if (err) |
| return err; |
| } |
| } |
| } else if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 || |
| tp->pci_chip_rev_id == CHIPREV_ID_5701_B0) { |
| /* 5701 {A0,B0} CRC bug workaround */ |
| tg3_writephy(tp, 0x15, 0x0a75); |
| tg3_writephy(tp, MII_TG3_MISC_SHDW, 0x8c68); |
| tg3_writephy(tp, MII_TG3_MISC_SHDW, 0x8d68); |
| tg3_writephy(tp, MII_TG3_MISC_SHDW, 0x8c68); |
| } |
| |
| /* Clear pending interrupts... */ |
| tg3_readphy(tp, MII_TG3_ISTAT, &val); |
| tg3_readphy(tp, MII_TG3_ISTAT, &val); |
| |
| if (tp->phy_flags & TG3_PHYFLG_USE_MI_INTERRUPT) |
| tg3_writephy(tp, MII_TG3_IMASK, ~MII_TG3_INT_LINKCHG); |
| else if (!(tp->phy_flags & TG3_PHYFLG_IS_FET)) |
| tg3_writephy(tp, MII_TG3_IMASK, ~0); |
| |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) { |
| if (tp->led_ctrl == LED_CTRL_MODE_PHY_1) |
| tg3_writephy(tp, MII_TG3_EXT_CTRL, |
| MII_TG3_EXT_CTRL_LNK3_LED_MODE); |
| else |
| tg3_writephy(tp, MII_TG3_EXT_CTRL, 0); |
| } |
| |
| current_link_up = 0; |
| current_speed = SPEED_INVALID; |
| current_duplex = DUPLEX_INVALID; |
| |
| if (tp->phy_flags & TG3_PHYFLG_CAPACITIVE_COUPLING) { |
| err = tg3_phy_auxctl_read(tp, |
| MII_TG3_AUXCTL_SHDWSEL_MISCTEST, |
| &val); |
| if (!err && !(val & (1 << 10))) { |
| tg3_phy_auxctl_write(tp, |
| MII_TG3_AUXCTL_SHDWSEL_MISCTEST, |
| val | (1 << 10)); |
| goto relink; |
| } |
| } |
| |
| bmsr = 0; |
| for (i = 0; i < 100; i++) { |
| tg3_readphy(tp, MII_BMSR, &bmsr); |
| if (!tg3_readphy(tp, MII_BMSR, &bmsr) && |
| (bmsr & BMSR_LSTATUS)) |
| break; |
| udelay(40); |
| } |
| |
| if (bmsr & BMSR_LSTATUS) { |
| u32 aux_stat, bmcr; |
| |
| tg3_readphy(tp, MII_TG3_AUX_STAT, &aux_stat); |
| for (i = 0; i < 2000; i++) { |
| udelay(10); |
| if (!tg3_readphy(tp, MII_TG3_AUX_STAT, &aux_stat) && |
| aux_stat) |
| break; |
| } |
| |
| tg3_aux_stat_to_speed_duplex(tp, aux_stat, |
| ¤t_speed, |
| ¤t_duplex); |
| |
| bmcr = 0; |
| for (i = 0; i < 200; i++) { |
| tg3_readphy(tp, MII_BMCR, &bmcr); |
| if (tg3_readphy(tp, MII_BMCR, &bmcr)) |
| continue; |
| if (bmcr && bmcr != 0x7fff) |
| break; |
| udelay(10); |
| } |
| |
| lcl_adv = 0; |
| rmt_adv = 0; |
| |
| tp->link_config.active_speed = current_speed; |
| tp->link_config.active_duplex = current_duplex; |
| |
| if (tp->link_config.autoneg == AUTONEG_ENABLE) { |
| if ((bmcr & BMCR_ANENABLE) && |
| tg3_copper_is_advertising_all(tp, |
| tp->link_config.advertising)) { |
| if (tg3_adv_1000T_flowctrl_ok(tp, &lcl_adv, |
| &rmt_adv)) |
| current_link_up = 1; |
| } |
| } else { |
| if (!(bmcr & BMCR_ANENABLE) && |
| tp->link_config.speed == current_speed && |
| tp->link_config.duplex == current_duplex && |
| tp->link_config.flowctrl == |
| tp->link_config.active_flowctrl) { |
| current_link_up = 1; |
| } |
| } |
| |
| if (current_link_up == 1 && |
| tp->link_config.active_duplex == DUPLEX_FULL) |
| tg3_setup_flow_control(tp, lcl_adv, rmt_adv); |
| } |
| |
| relink: |
| if (current_link_up == 0 || (tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER)) { |
| tg3_phy_copper_begin(tp); |
| |
| tg3_readphy(tp, MII_BMSR, &bmsr); |
| if ((!tg3_readphy(tp, MII_BMSR, &bmsr) && (bmsr & BMSR_LSTATUS)) || |
| (tp->mac_mode & MAC_MODE_PORT_INT_LPBACK)) |
| current_link_up = 1; |
| } |
| |
| tp->mac_mode &= ~MAC_MODE_PORT_MODE_MASK; |
| if (current_link_up == 1) { |
| if (tp->link_config.active_speed == SPEED_100 || |
| tp->link_config.active_speed == SPEED_10) |
| tp->mac_mode |= MAC_MODE_PORT_MODE_MII; |
| else |
| tp->mac_mode |= MAC_MODE_PORT_MODE_GMII; |
| } else if (tp->phy_flags & TG3_PHYFLG_IS_FET) |
| tp->mac_mode |= MAC_MODE_PORT_MODE_MII; |
| else |
| tp->mac_mode |= MAC_MODE_PORT_MODE_GMII; |
| |
| tp->mac_mode &= ~MAC_MODE_HALF_DUPLEX; |
| if (tp->link_config.active_duplex == DUPLEX_HALF) |
| tp->mac_mode |= MAC_MODE_HALF_DUPLEX; |
| |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) { |
| if (current_link_up == 1 && |
| tg3_5700_link_polarity(tp, tp->link_config.active_speed)) |
| tp->mac_mode |= MAC_MODE_LINK_POLARITY; |
| else |
| tp->mac_mode &= ~MAC_MODE_LINK_POLARITY; |
| } |
| |
| /* ??? Without this setting Netgear GA302T PHY does not |
| * ??? send/receive packets... |
| */ |
| if ((tp->phy_id & TG3_PHY_ID_MASK) == TG3_PHY_ID_BCM5411 && |
| tp->pci_chip_rev_id == CHIPREV_ID_5700_ALTIMA) { |
| tp->mi_mode |= MAC_MI_MODE_AUTO_POLL; |
| tw32_f(MAC_MI_MODE, tp->mi_mode); |
| udelay(80); |
| } |
| |
| tw32_f(MAC_MODE, tp->mac_mode); |
| udelay(40); |
| |
| tg3_phy_eee_adjust(tp, current_link_up); |
| |
| if (tg3_flag(tp, USE_LINKCHG_REG)) { |
| /* Polled via timer. */ |
| tw32_f(MAC_EVENT, 0); |
| } else { |
| tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED); |
| } |
| udelay(40); |
| |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 && |
| current_link_up == 1 && |
| tp->link_config.active_speed == SPEED_1000 && |
| (tg3_flag(tp, PCIX_MODE) || tg3_flag(tp, PCI_HIGH_SPEED))) { |
| udelay(120); |
| tw32_f(MAC_STATUS, |
| (MAC_STATUS_SYNC_CHANGED | |
| MAC_STATUS_CFG_CHANGED)); |
| udelay(40); |
| tg3_write_mem(tp, |
| NIC_SRAM_FIRMWARE_MBOX, |
| NIC_SRAM_FIRMWARE_MBOX_MAGIC2); |
| } |
| |
| /* Prevent send BD corruption. */ |
| if (tg3_flag(tp, CLKREQ_BUG)) { |
| u16 oldlnkctl, newlnkctl; |
| |
| pci_read_config_word(tp->pdev, |
| tp->pcie_cap + PCI_EXP_LNKCTL, |
| &oldlnkctl); |
| if (tp->link_config.active_speed == SPEED_100 || |
| tp->link_config.active_speed == SPEED_10) |
| newlnkctl = oldlnkctl & ~PCI_EXP_LNKCTL_CLKREQ_EN; |
| else |
| newlnkctl = oldlnkctl | PCI_EXP_LNKCTL_CLKREQ_EN; |
| if (newlnkctl != oldlnkctl) |
| pci_write_config_word(tp->pdev, |
| tp->pcie_cap + PCI_EXP_LNKCTL, |
| newlnkctl); |
| } |
| |
| if (current_link_up != netif_carrier_ok(tp->dev)) { |
| if (current_link_up) |
| netif_carrier_on(tp->dev); |
| else |
| netif_carrier_off(tp->dev); |
| tg3_link_report(tp); |
| } |
| |
| return 0; |
| } |
| |
| struct tg3_fiber_aneginfo { |
| int state; |
| #define ANEG_STATE_UNKNOWN 0 |
| #define ANEG_STATE_AN_ENABLE 1 |
| #define ANEG_STATE_RESTART_INIT 2 |
| #define ANEG_STATE_RESTART 3 |
| #define ANEG_STATE_DISABLE_LINK_OK 4 |
| #define ANEG_STATE_ABILITY_DETECT_INIT 5 |
| #define ANEG_STATE_ABILITY_DETECT 6 |
| #define ANEG_STATE_ACK_DETECT_INIT 7 |
| #define ANEG_STATE_ACK_DETECT 8 |
| #define ANEG_STATE_COMPLETE_ACK_INIT 9 |
| #define ANEG_STATE_COMPLETE_ACK 10 |
| #define ANEG_STATE_IDLE_DETECT_INIT 11 |
| #define ANEG_STATE_IDLE_DETECT 12 |
| #define ANEG_STATE_LINK_OK 13 |
| #define ANEG_STATE_NEXT_PAGE_WAIT_INIT 14 |
| #define ANEG_STATE_NEXT_PAGE_WAIT 15 |
| |
| u32 flags; |
| #define MR_AN_ENABLE 0x00000001 |
| #define MR_RESTART_AN 0x00000002 |
| #define MR_AN_COMPLETE 0x00000004 |
| #define MR_PAGE_RX 0x00000008 |
| #define MR_NP_LOADED 0x00000010 |
| #define MR_TOGGLE_TX 0x00000020 |
| #define MR_LP_ADV_FULL_DUPLEX 0x00000040 |
| #define MR_LP_ADV_HALF_DUPLEX 0x00000080 |
| #define MR_LP_ADV_SYM_PAUSE 0x00000100 |
| #define MR_LP_ADV_ASYM_PAUSE 0x00000200 |
| #define MR_LP_ADV_REMOTE_FAULT1 0x00000400 |
| #define MR_LP_ADV_REMOTE_FAULT2 0x00000800 |
| #define MR_LP_ADV_NEXT_PAGE 0x00001000 |
| #define MR_TOGGLE_RX 0x00002000 |
| #define MR_NP_RX 0x00004000 |
| |
| #define MR_LINK_OK 0x80000000 |
| |
| unsigned long link_time, cur_time; |
| |
| u32 ability_match_cfg; |
| int ability_match_count; |
| |
| char ability_match, idle_match, ack_match; |
| |
| u32 txconfig, rxconfig; |
| #define ANEG_CFG_NP 0x00000080 |
| #define ANEG_CFG_ACK 0x00000040 |
| #define ANEG_CFG_RF2 0x00000020 |
| #define ANEG_CFG_RF1 0x00000010 |
| #define ANEG_CFG_PS2 0x00000001 |
| #define ANEG_CFG_PS1 0x00008000 |
| #define ANEG_CFG_HD 0x00004000 |
| #define ANEG_CFG_FD 0x00002000 |
| #define ANEG_CFG_INVAL 0x00001f06 |
| |
| }; |
| #define ANEG_OK 0 |
| #define ANEG_DONE 1 |
| #define ANEG_TIMER_ENAB 2 |
| #define ANEG_FAILED -1 |
| |
| #define ANEG_STATE_SETTLE_TIME 10000 |
| |
| static int tg3_fiber_aneg_smachine(struct tg3 *tp, |
| struct tg3_fiber_aneginfo *ap) |
| { |
| u16 flowctrl; |
| unsigned long delta; |
| u32 rx_cfg_reg; |
| int ret; |
| |
| if (ap->state == ANEG_STATE_UNKNOWN) { |
| ap->rxconfig = 0; |
| ap->link_time = 0; |
| ap->cur_time = 0; |
| ap->ability_match_cfg = 0; |
| ap->ability_match_count = 0; |
| ap->ability_match = 0; |
| ap->idle_match = 0; |
| ap->ack_match = 0; |
| } |
| ap->cur_time++; |
| |
| if (tr32(MAC_STATUS) & MAC_STATUS_RCVD_CFG) { |
| rx_cfg_reg = tr32(MAC_RX_AUTO_NEG); |
| |
| if (rx_cfg_reg != ap->ability_match_cfg) { |
| ap->ability_match_cfg = rx_cfg_reg; |
| ap->ability_match = 0; |
| ap->ability_match_count = 0; |
| } else { |
| if (++ap->ability_match_count > 1) { |
| ap->ability_match = 1; |
| ap->ability_match_cfg = rx_cfg_reg; |
| } |
| } |
| if (rx_cfg_reg & ANEG_CFG_ACK) |
| ap->ack_match = 1; |
| else |
| ap->ack_match = 0; |
| |
| ap->idle_match = 0; |
| } else { |
| ap->idle_match = 1; |
| ap->ability_match_cfg = 0; |
| ap->ability_match_count = 0; |
| ap->ability_match = 0; |
| ap->ack_match = 0; |
| |
| rx_cfg_reg = 0; |
| } |
| |
| ap->rxconfig = rx_cfg_reg; |
| ret = ANEG_OK; |
| |
| switch (ap->state) { |
| case ANEG_STATE_UNKNOWN: |
| if (ap->flags & (MR_AN_ENABLE | MR_RESTART_AN)) |
| ap->state = ANEG_STATE_AN_ENABLE; |
| |
| /* fallthru */ |
| case ANEG_STATE_AN_ENABLE: |
| ap->flags &= ~(MR_AN_COMPLETE | MR_PAGE_RX); |
| if (ap->flags & MR_AN_ENABLE) { |
| ap->link_time = 0; |
| ap->cur_time = 0; |
| ap->ability_match_cfg = 0; |
| ap->ability_match_count = 0; |
| ap->ability_match = 0; |
| ap->idle_match = 0; |
| ap->ack_match = 0; |
| |
| ap->state = ANEG_STATE_RESTART_INIT; |
| } else { |
| ap->state = ANEG_STATE_DISABLE_LINK_OK; |
| } |
| break; |
| |
| case ANEG_STATE_RESTART_INIT: |
| ap->link_time = ap->cur_time; |
| ap->flags &= ~(MR_NP_LOADED); |
| ap->txconfig = 0; |
| tw32(MAC_TX_AUTO_NEG, 0); |
| tp->mac_mode |= MAC_MODE_SEND_CONFIGS; |
| tw32_f(MAC_MODE, tp->mac_mode); |
| udelay(40); |
| |
| ret = ANEG_TIMER_ENAB; |
| ap->state = ANEG_STATE_RESTART; |
| |
| /* fallthru */ |
| case ANEG_STATE_RESTART: |
| delta = ap->cur_time - ap->link_time; |
| if (delta > ANEG_STATE_SETTLE_TIME) |
| ap->state = ANEG_STATE_ABILITY_DETECT_INIT; |
| else |
| ret = ANEG_TIMER_ENAB; |
| break; |
| |
| case ANEG_STATE_DISABLE_LINK_OK: |
| ret = ANEG_DONE; |
| break; |
| |
| case ANEG_STATE_ABILITY_DETECT_INIT: |
| ap->flags &= ~(MR_TOGGLE_TX); |
| ap->txconfig = ANEG_CFG_FD; |
| flowctrl = tg3_advert_flowctrl_1000X(tp->link_config.flowctrl); |
| if (flowctrl & ADVERTISE_1000XPAUSE) |
| ap->txconfig |= ANEG_CFG_PS1; |
| if (flowctrl & ADVERTISE_1000XPSE_ASYM) |
| ap->txconfig |= ANEG_CFG_PS2; |
| tw32(MAC_TX_AUTO_NEG, ap->txconfig); |
| tp->mac_mode |= MAC_MODE_SEND_CONFIGS; |
| tw32_f(MAC_MODE, tp->mac_mode); |
| udelay(40); |
| |
| ap->state = ANEG_STATE_ABILITY_DETECT; |
| break; |
| |
| case ANEG_STATE_ABILITY_DETECT: |
| if (ap->ability_match != 0 && ap->rxconfig != 0) |
| ap->state = ANEG_STATE_ACK_DETECT_INIT; |
| break; |
| |
| case ANEG_STATE_ACK_DETECT_INIT: |
| ap->txconfig |= ANEG_CFG_ACK; |
| tw32(MAC_TX_AUTO_NEG, ap->txconfig); |
| tp->mac_mode |= MAC_MODE_SEND_CONFIGS; |
| tw32_f(MAC_MODE, tp->mac_mode); |
| udelay(40); |
| |
| ap->state = ANEG_STATE_ACK_DETECT; |
| |
| /* fallthru */ |
| case ANEG_STATE_ACK_DETECT: |
| if (ap->ack_match != 0) { |
| if ((ap->rxconfig & ~ANEG_CFG_ACK) == |
| (ap->ability_match_cfg & ~ANEG_CFG_ACK)) { |
| ap->state = ANEG_STATE_COMPLETE_ACK_INIT; |
| } else { |
| ap->state = ANEG_STATE_AN_ENABLE; |
| } |
| } else if (ap->ability_match != 0 && |
| ap->rxconfig == 0) { |
| ap->state = ANEG_STATE_AN_ENABLE; |
| } |
| break; |
| |
| case ANEG_STATE_COMPLETE_ACK_INIT: |
| if (ap->rxconfig & ANEG_CFG_INVAL) { |
| ret = ANEG_FAILED; |
| break; |
| } |
| ap->flags &= ~(MR_LP_ADV_FULL_DUPLEX | |
| MR_LP_ADV_HALF_DUPLEX | |
| MR_LP_ADV_SYM_PAUSE | |
| MR_LP_ADV_ASYM_PAUSE | |
| MR_LP_ADV_REMOTE_FAULT1 | |
| MR_LP_ADV_REMOTE_FAULT2 | |
| MR_LP_ADV_NEXT_PAGE | |
| MR_TOGGLE_RX | |
| MR_NP_RX); |
| if (ap->rxconfig & ANEG_CFG_FD) |
| ap->flags |= MR_LP_ADV_FULL_DUPLEX; |
| if (ap->rxconfig & ANEG_CFG_HD) |
| ap->flags |= MR_LP_ADV_HALF_DUPLEX; |
| if (ap->rxconfig & ANEG_CFG_PS1) |
| ap->flags |= MR_LP_ADV_SYM_PAUSE; |
| if (ap->rxconfig & ANEG_CFG_PS2) |
| ap->flags |= MR_LP_ADV_ASYM_PAUSE; |
| if (ap->rxconfig & ANEG_CFG_RF1) |
| ap->flags |= MR_LP_ADV_REMOTE_FAULT1; |
| if (ap->rxconfig & ANEG_CFG_RF2) |
| ap->flags |= MR_LP_ADV_REMOTE_FAULT2; |
| if (ap->rxconfig & ANEG_CFG_NP) |
| ap->flags |= MR_LP_ADV_NEXT_PAGE; |
| |
| ap->link_time = ap->cur_time; |
| |
| ap->flags ^= (MR_TOGGLE_TX); |
| if (ap->rxconfig & 0x0008) |
| ap->flags |= MR_TOGGLE_RX; |
| if (ap->rxconfig & ANEG_CFG_NP) |
| ap->flags |= MR_NP_RX; |
| ap->flags |= MR_PAGE_RX; |
| |
| ap->state = ANEG_STATE_COMPLETE_ACK; |
| ret = ANEG_TIMER_ENAB; |
| break; |
| |
| case ANEG_STATE_COMPLETE_ACK: |
| if (ap->ability_match != 0 && |
| ap->rxconfig == 0) { |
| ap->state = ANEG_STATE_AN_ENABLE; |
| break; |
| } |
| delta = ap->cur_time - ap->link_time; |
| if (delta > ANEG_STATE_SETTLE_TIME) { |
| if (!(ap->flags & (MR_LP_ADV_NEXT_PAGE))) { |
| ap->state = ANEG_STATE_IDLE_DETECT_INIT; |
| } else { |
| if ((ap->txconfig & ANEG_CFG_NP) == 0 && |
| !(ap->flags & MR_NP_RX)) { |
| ap->state = ANEG_STATE_IDLE_DETECT_INIT; |
| } else { |
| ret = ANEG_FAILED; |
| } |
| } |
| } |
| break; |
| |
| case ANEG_STATE_IDLE_DETECT_INIT: |
| ap->link_time = ap->cur_time; |
| tp->mac_mode &= ~MAC_MODE_SEND_CONFIGS; |
| tw32_f(MAC_MODE, tp->mac_mode); |
| udelay(40); |
| |
| ap->state = ANEG_STATE_IDLE_DETECT; |
| ret = ANEG_TIMER_ENAB; |
| break; |
| |
| case ANEG_STATE_IDLE_DETECT: |
| if (ap->ability_match != 0 && |
| ap->rxconfig == 0) { |
| ap->state = ANEG_STATE_AN_ENABLE; |
| break; |
| } |
| delta = ap->cur_time - ap->link_time; |
| if (delta > ANEG_STATE_SETTLE_TIME) { |
| /* XXX another gem from the Broadcom driver :( */ |
| ap->state = ANEG_STATE_LINK_OK; |
| } |
| break; |
| |
| case ANEG_STATE_LINK_OK: |
| ap->flags |= (MR_AN_COMPLETE | MR_LINK_OK); |
| ret = ANEG_DONE; |
| break; |
| |
| case ANEG_STATE_NEXT_PAGE_WAIT_INIT: |
| /* ??? unimplemented */ |
| break; |
| |
| case ANEG_STATE_NEXT_PAGE_WAIT: |
| /* ??? unimplemented */ |
| break; |
| |
| default: |
| ret = ANEG_FAILED; |
| break; |
| } |
| |
| return ret; |
| } |
| |
| static int fiber_autoneg(struct tg3 *tp, u32 *txflags, u32 *rxflags) |
| { |
| int res = 0; |
| struct tg3_fiber_aneginfo aninfo; |
| int status = ANEG_FAILED; |
| unsigned int tick; |
| u32 tmp; |
| |
| tw32_f(MAC_TX_AUTO_NEG, 0); |
| |
| tmp = tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK; |
| tw32_f(MAC_MODE, tmp | MAC_MODE_PORT_MODE_GMII); |
| udelay(40); |
| |
| tw32_f(MAC_MODE, tp->mac_mode | MAC_MODE_SEND_CONFIGS); |
| udelay(40); |
| |
| memset(&aninfo, 0, sizeof(aninfo)); |
| aninfo.flags |= MR_AN_ENABLE; |
| aninfo.state = ANEG_STATE_UNKNOWN; |
| aninfo.cur_time = 0; |
| tick = 0; |
| while (++tick < 195000) { |
| status = tg3_fiber_aneg_smachine(tp, &aninfo); |
| if (status == ANEG_DONE || status == ANEG_FAILED) |
| break; |
| |
| udelay(1); |
| } |
| |
| tp->mac_mode &= ~MAC_MODE_SEND_CONFIGS; |
| tw32_f(MAC_MODE, tp->mac_mode); |
| udelay(40); |
| |
| *txflags = aninfo.txconfig; |
| *rxflags = aninfo.flags; |
| |
| if (status == ANEG_DONE && |
| (aninfo.flags & (MR_AN_COMPLETE | MR_LINK_OK | |
| MR_LP_ADV_FULL_DUPLEX))) |
| res = 1; |
| |
| return res; |
| } |
| |
| static void tg3_init_bcm8002(struct tg3 *tp) |
| { |
| u32 mac_status = tr32(MAC_STATUS); |
| int i; |
| |
| /* Reset when initting first time or we have a link. */ |
| if (tg3_flag(tp, INIT_COMPLETE) && |
| !(mac_status & MAC_STATUS_PCS_SYNCED)) |
| return; |
| |
| /* Set PLL lock range. */ |
| tg3_writephy(tp, 0x16, 0x8007); |
| |
| /* SW reset */ |
| tg3_writephy(tp, MII_BMCR, BMCR_RESET); |
| |
| /* Wait for reset to complete. */ |
| /* XXX schedule_timeout() ... */ |
| for (i = 0; i < 500; i++) |
| udelay(10); |
| |
| /* Config mode; select PMA/Ch 1 regs. */ |
| tg3_writephy(tp, 0x10, 0x8411); |
| |
| /* Enable auto-lock and comdet, select txclk for tx. */ |
| tg3_writephy(tp, 0x11, 0x0a10); |
| |
| tg3_writephy(tp, 0x18, 0x00a0); |
| tg3_writephy(tp, 0x16, 0x41ff); |
| |
| /* Assert and deassert POR. */ |
| tg3_writephy(tp, 0x13, 0x0400); |
| udelay(40); |
| tg3_writephy(tp, 0x13, 0x0000); |
| |
| tg3_writephy(tp, 0x11, 0x0a50); |
| udelay(40); |
| tg3_writephy(tp, 0x11, 0x0a10); |
| |
| /* Wait for signal to stabilize */ |
| /* XXX schedule_timeout() ... */ |
| for (i = 0; i < 15000; i++) |
| udelay(10); |
| |
| /* Deselect the channel register so we can read the PHYID |
| * later. |
| */ |
| tg3_writephy(tp, 0x10, 0x8011); |
| } |
| |
| static int tg3_setup_fiber_hw_autoneg(struct tg3 *tp, u32 mac_status) |
| { |
| u16 flowctrl; |
| u32 sg_dig_ctrl, sg_dig_status; |
| u32 serdes_cfg, expected_sg_dig_ctrl; |
| int workaround, port_a; |
| int current_link_up; |
| |
| serdes_cfg = 0; |
| expected_sg_dig_ctrl = 0; |
| workaround = 0; |
| port_a = 1; |
| current_link_up = 0; |
| |
| if (tp->pci_chip_rev_id != CHIPREV_ID_5704_A0 && |
| tp->pci_chip_rev_id != CHIPREV_ID_5704_A1) { |
| workaround = 1; |
| if (tr32(TG3PCI_DUAL_MAC_CTRL) & DUAL_MAC_CTRL_ID) |
| port_a = 0; |
| |
| /* preserve bits 0-11,13,14 for signal pre-emphasis */ |
| /* preserve bits 20-23 for voltage regulator */ |
| serdes_cfg = tr32(MAC_SERDES_CFG) & 0x00f06fff; |
| } |
| |
| sg_dig_ctrl = tr32(SG_DIG_CTRL); |
| |
| if (tp->link_config.autoneg != AUTONEG_ENABLE) { |
| if (sg_dig_ctrl & SG_DIG_USING_HW_AUTONEG) { |
| if (workaround) { |
| u32 val = serdes_cfg; |
| |
| if (port_a) |
| val |= 0xc010000; |
| else |
| val |= 0x4010000; |
| tw32_f(MAC_SERDES_CFG, val); |
| } |
| |
| tw32_f(SG_DIG_CTRL, SG_DIG_COMMON_SETUP); |
| } |
| if (mac_status & MAC_STATUS_PCS_SYNCED) { |
| tg3_setup_flow_control(tp, 0, 0); |
| current_link_up = 1; |
| } |
| goto out; |
| } |
| |
| /* Want auto-negotiation. */ |
| expected_sg_dig_ctrl = SG_DIG_USING_HW_AUTONEG | SG_DIG_COMMON_SETUP; |
| |
| flowctrl = tg3_advert_flowctrl_1000X(tp->link_config.flowctrl); |
| if (flowctrl & ADVERTISE_1000XPAUSE) |
| expected_sg_dig_ctrl |= SG_DIG_PAUSE_CAP; |
| if (flowctrl & ADVERTISE_1000XPSE_ASYM) |
| expected_sg_dig_ctrl |= SG_DIG_ASYM_PAUSE; |
| |
| if (sg_dig_ctrl != expected_sg_dig_ctrl) { |
| if ((tp->phy_flags & TG3_PHYFLG_PARALLEL_DETECT) && |
| tp->serdes_counter && |
| ((mac_status & (MAC_STATUS_PCS_SYNCED | |
| MAC_STATUS_RCVD_CFG)) == |
| MAC_STATUS_PCS_SYNCED)) { |
| tp->serdes_counter--; |
| current_link_up = 1; |
| goto out; |
| } |
| restart_autoneg: |
| if (workaround) |
| tw32_f(MAC_SERDES_CFG, serdes_cfg | 0xc011000); |
| tw32_f(SG_DIG_CTRL, expected_sg_dig_ctrl | SG_DIG_SOFT_RESET); |
| udelay(5); |
| tw32_f(SG_DIG_CTRL, expected_sg_dig_ctrl); |
| |
| tp->serdes_counter = SERDES_AN_TIMEOUT_5704S; |
| tp->phy_flags &= ~TG3_PHYFLG_PARALLEL_DETECT; |
| } else if (mac_status & (MAC_STATUS_PCS_SYNCED | |
| MAC_STATUS_SIGNAL_DET)) { |
| sg_dig_status = tr32(SG_DIG_STATUS); |
| mac_status = tr32(MAC_STATUS); |
| |
| if ((sg_dig_status & SG_DIG_AUTONEG_COMPLETE) && |
| (mac_status & MAC_STATUS_PCS_SYNCED)) { |
| u32 local_adv = 0, remote_adv = 0; |
| |
| if (sg_dig_ctrl & SG_DIG_PAUSE_CAP) |
| local_adv |= ADVERTISE_1000XPAUSE; |
| if (sg_dig_ctrl & SG_DIG_ASYM_PAUSE) |
| local_adv |= ADVERTISE_1000XPSE_ASYM; |
| |
| if (sg_dig_status & SG_DIG_PARTNER_PAUSE_CAPABLE) |
| remote_adv |= LPA_1000XPAUSE; |
| if (sg_dig_status & SG_DIG_PARTNER_ASYM_PAUSE) |
| remote_adv |= LPA_1000XPAUSE_ASYM; |
| |
| tg3_setup_flow_control(tp, local_adv, remote_adv); |
| current_link_up = 1; |
| tp->serdes_counter = 0; |
| tp->phy_flags &= ~TG3_PHYFLG_PARALLEL_DETECT; |
| } else if (!(sg_dig_status & SG_DIG_AUTONEG_COMPLETE)) { |
| if (tp->serdes_counter) |
| tp->serdes_counter--; |
| else { |
| if (workaround) { |
| u32 val = serdes_cfg; |
| |
| if (port_a) |
| val |= 0xc010000; |
| else |
| val |= 0x4010000; |
| |
| tw32_f(MAC_SERDES_CFG, val); |
| } |
| |
| tw32_f(SG_DIG_CTRL, SG_DIG_COMMON_SETUP); |
| udelay(40); |
| |
| /* Link parallel detection - link is up */ |
| /* only if we have PCS_SYNC and not */ |
| /* receiving config code words */ |
| mac_status = tr32(MAC_STATUS); |
| if ((mac_status & MAC_STATUS_PCS_SYNCED) && |
| !(mac_status & MAC_STATUS_RCVD_CFG)) { |
| tg3_setup_flow_control(tp, 0, 0); |
| current_link_up = 1; |
| tp->phy_flags |= |
| TG3_PHYFLG_PARALLEL_DETECT; |
| tp->serdes_counter = |
| SERDES_PARALLEL_DET_TIMEOUT; |
| } else |
| goto restart_autoneg; |
| } |
| } |
| } else { |
| tp->serdes_counter = SERDES_AN_TIMEOUT_5704S; |
| tp->phy_flags &= ~TG3_PHYFLG_PARALLEL_DETECT; |
| } |
| |
| out: |
| return current_link_up; |
| } |
| |
| static int tg3_setup_fiber_by_hand(struct tg3 *tp, u32 mac_status) |
| { |
| int current_link_up = 0; |
| |
| if (!(mac_status & MAC_STATUS_PCS_SYNCED)) |
| goto out; |
| |
| if (tp->link_config.autoneg == AUTONEG_ENABLE) { |
| u32 txflags, rxflags; |
| int i; |
| |
| if (fiber_autoneg(tp, &txflags, &rxflags)) { |
| u32 local_adv = 0, remote_adv = 0; |
| |
| if (txflags & ANEG_CFG_PS1) |
| local_adv |= ADVERTISE_1000XPAUSE; |
| if (txflags & ANEG_CFG_PS2) |
| local_adv |= ADVERTISE_1000XPSE_ASYM; |
| |
| if (rxflags & MR_LP_ADV_SYM_PAUSE) |
| remote_adv |= LPA_1000XPAUSE; |
| if (rxflags & MR_LP_ADV_ASYM_PAUSE) |
| remote_adv |= LPA_1000XPAUSE_ASYM; |
| |
| tg3_setup_flow_control(tp, local_adv, remote_adv); |
| |
| current_link_up = 1; |
| } |
| for (i = 0; i < 30; i++) { |
| udelay(20); |
| tw32_f(MAC_STATUS, |
| (MAC_STATUS_SYNC_CHANGED | |
| MAC_STATUS_CFG_CHANGED)); |
| udelay(40); |
| if ((tr32(MAC_STATUS) & |
| (MAC_STATUS_SYNC_CHANGED | |
| MAC_STATUS_CFG_CHANGED)) == 0) |
| break; |
| } |
| |
| mac_status = tr32(MAC_STATUS); |
| if (current_link_up == 0 && |
| (mac_status & MAC_STATUS_PCS_SYNCED) && |
| !(mac_status & MAC_STATUS_RCVD_CFG)) |
| current_link_up = 1; |
| } else { |
| tg3_setup_flow_control(tp, 0, 0); |
| |
| /* Forcing 1000FD link up. */ |
| current_link_up = 1; |
| |
| tw32_f(MAC_MODE, (tp->mac_mode | MAC_MODE_SEND_CONFIGS)); |
| udelay(40); |
| |
| tw32_f(MAC_MODE, tp->mac_mode); |
| udelay(40); |
| } |
| |
| out: |
| return current_link_up; |
| } |
| |
| static int tg3_setup_fiber_phy(struct tg3 *tp, int force_reset) |
| { |
| u32 orig_pause_cfg; |
| u16 orig_active_speed; |
| u8 orig_active_duplex; |
| u32 mac_status; |
| int current_link_up; |
| int i; |
| |
| orig_pause_cfg = tp->link_config.active_flowctrl; |
| orig_active_speed = tp->link_config.active_speed; |
| orig_active_duplex = tp->link_config.active_duplex; |
| |
| if (!tg3_flag(tp, HW_AUTONEG) && |
| netif_carrier_ok(tp->dev) && |
| tg3_flag(tp, INIT_COMPLETE)) { |
| mac_status = tr32(MAC_STATUS); |
| mac_status &= (MAC_STATUS_PCS_SYNCED | |
| MAC_STATUS_SIGNAL_DET | |
| MAC_STATUS_CFG_CHANGED | |
| MAC_STATUS_RCVD_CFG); |
| if (mac_status == (MAC_STATUS_PCS_SYNCED | |
| MAC_STATUS_SIGNAL_DET)) { |
| tw32_f(MAC_STATUS, (MAC_STATUS_SYNC_CHANGED | |
| MAC_STATUS_CFG_CHANGED)); |
| return 0; |
| } |
| } |
| |
| tw32_f(MAC_TX_AUTO_NEG, 0); |
| |
| tp->mac_mode &= ~(MAC_MODE_PORT_MODE_MASK | MAC_MODE_HALF_DUPLEX); |
| tp->mac_mode |= MAC_MODE_PORT_MODE_TBI; |
| tw32_f(MAC_MODE, tp->mac_mode); |
| udelay(40); |
| |
| if (tp->phy_id == TG3_PHY_ID_BCM8002) |
| tg3_init_bcm8002(tp); |
| |
| /* Enable link change event even when serdes polling. */ |
| tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED); |
| udelay(40); |
| |
| current_link_up = 0; |
| mac_status = tr32(MAC_STATUS); |
| |
| if (tg3_flag(tp, HW_AUTONEG)) |
| current_link_up = tg3_setup_fiber_hw_autoneg(tp, mac_status); |
| else |
| current_link_up = tg3_setup_fiber_by_hand(tp, mac_status); |
| |
| tp->napi[0].hw_status->status = |
| (SD_STATUS_UPDATED | |
| (tp->napi[0].hw_status->status & ~SD_STATUS_LINK_CHG)); |
| |
| for (i = 0; i < 100; i++) { |
| tw32_f(MAC_STATUS, (MAC_STATUS_SYNC_CHANGED | |
| MAC_STATUS_CFG_CHANGED)); |
| udelay(5); |
| if ((tr32(MAC_STATUS) & (MAC_STATUS_SYNC_CHANGED | |
| MAC_STATUS_CFG_CHANGED | |
| MAC_STATUS_LNKSTATE_CHANGED)) == 0) |
| break; |
| } |
| |
| mac_status = tr32(MAC_STATUS); |
| if ((mac_status & MAC_STATUS_PCS_SYNCED) == 0) { |
| current_link_up = 0; |
| if (tp->link_config.autoneg == AUTONEG_ENABLE && |
| tp->serdes_counter == 0) { |
| tw32_f(MAC_MODE, (tp->mac_mode | |
| MAC_MODE_SEND_CONFIGS)); |
| udelay(1); |
| tw32_f(MAC_MODE, tp->mac_mode); |
| } |
| } |
| |
| if (current_link_up == 1) { |
| tp->link_config.active_speed = SPEED_1000; |
| tp->link_config.active_duplex = DUPLEX_FULL; |
| tw32(MAC_LED_CTRL, (tp->led_ctrl | |
| LED_CTRL_LNKLED_OVERRIDE | |
| LED_CTRL_1000MBPS_ON)); |
| } else { |
| tp->link_config.active_speed = SPEED_INVALID; |
| tp->link_config.active_duplex = DUPLEX_INVALID; |
| tw32(MAC_LED_CTRL, (tp->led_ctrl | |
| LED_CTRL_LNKLED_OVERRIDE | |
| LED_CTRL_TRAFFIC_OVERRIDE)); |
| } |
| |
| if (current_link_up != netif_carrier_ok(tp->dev)) { |
| if (current_link_up) |
| netif_carrier_on(tp->dev); |
| else |
| netif_carrier_off(tp->dev); |
| tg3_link_report(tp); |
| } else { |
| u32 now_pause_cfg = tp->link_config.active_flowctrl; |
| if (orig_pause_cfg != now_pause_cfg || |
| orig_active_speed != tp->link_config.active_speed || |
| orig_active_duplex != tp->link_config.active_duplex) |
| tg3_link_report(tp); |
| } |
| |
| return 0; |
| } |
| |
| static int tg3_setup_fiber_mii_phy(struct tg3 *tp, int force_reset) |
| { |
| int current_link_up, err = 0; |
| u32 bmsr, bmcr; |
| u16 current_speed; |
| u8 current_duplex; |
| u32 local_adv, remote_adv; |
| |
| tp->mac_mode |= MAC_MODE_PORT_MODE_GMII; |
| tw32_f(MAC_MODE, tp->mac_mode); |
| udelay(40); |
| |
| tw32(MAC_EVENT, 0); |
| |
| tw32_f(MAC_STATUS, |
| (MAC_STATUS_SYNC_CHANGED | |
| MAC_STATUS_CFG_CHANGED | |
| MAC_STATUS_MI_COMPLETION | |
| MAC_STATUS_LNKSTATE_CHANGED)); |
| udelay(40); |
| |
| if (force_reset) |
| tg3_phy_reset(tp); |
| |
| current_link_up = 0; |
| current_speed = SPEED_INVALID; |
| current_duplex = DUPLEX_INVALID; |
| |
| err |= tg3_readphy(tp, MII_BMSR, &bmsr); |
| err |= tg3_readphy(tp, MII_BMSR, &bmsr); |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) { |
| if (tr32(MAC_TX_STATUS) & TX_STATUS_LINK_UP) |
| bmsr |= BMSR_LSTATUS; |
| else |
| bmsr &= ~BMSR_LSTATUS; |
| } |
| |
| err |= tg3_readphy(tp, MII_BMCR, &bmcr); |
| |
| if ((tp->link_config.autoneg == AUTONEG_ENABLE) && !force_reset && |
| (tp->phy_flags & TG3_PHYFLG_PARALLEL_DETECT)) { |
| /* do nothing, just check for link up at the end */ |
| } else if (tp->link_config.autoneg == AUTONEG_ENABLE) { |
| u32 adv, new_adv; |
| |
| err |= tg3_readphy(tp, MII_ADVERTISE, &adv); |
| new_adv = adv & ~(ADVERTISE_1000XFULL | ADVERTISE_1000XHALF | |
| ADVERTISE_1000XPAUSE | |
| ADVERTISE_1000XPSE_ASYM | |
| ADVERTISE_SLCT); |
| |
| new_adv |= tg3_advert_flowctrl_1000X(tp->link_config.flowctrl); |
| |
| if (tp->link_config.advertising & ADVERTISED_1000baseT_Half) |
| new_adv |= ADVERTISE_1000XHALF; |
| if (tp->link_config.advertising & ADVERTISED_1000baseT_Full) |
| new_adv |= ADVERTISE_1000XFULL; |
| |
| if ((new_adv != adv) || !(bmcr & BMCR_ANENABLE)) { |
| tg3_writephy(tp, MII_ADVERTISE, new_adv); |
| bmcr |= BMCR_ANENABLE | BMCR_ANRESTART; |
| tg3_writephy(tp, MII_BMCR, bmcr); |
| |
| tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED); |
| tp->serdes_counter = SERDES_AN_TIMEOUT_5714S; |
| tp->phy_flags &= ~TG3_PHYFLG_PARALLEL_DETECT; |
| |
| return err; |
| } |
| } else { |
| u32 new_bmcr; |
| |
| bmcr &= ~BMCR_SPEED1000; |
| new_bmcr = bmcr & ~(BMCR_ANENABLE | BMCR_FULLDPLX); |
| |
| if (tp->link_config.duplex == DUPLEX_FULL) |
| new_bmcr |= BMCR_FULLDPLX; |
| |
| if (new_bmcr != bmcr) { |
| /* BMCR_SPEED1000 is a reserved bit that needs |
| * to be set on write. |
| */ |
| new_bmcr |= BMCR_SPEED1000; |
| |
| /* Force a linkdown */ |
| if (netif_carrier_ok(tp->dev)) { |
| u32 adv; |
| |
| err |= tg3_readphy(tp, MII_ADVERTISE, &adv); |
| adv &= ~(ADVERTISE_1000XFULL | |
| ADVERTISE_1000XHALF | |
| ADVERTISE_SLCT); |
| tg3_writephy(tp, MII_ADVERTISE, adv); |
| tg3_writephy(tp, MII_BMCR, bmcr | |
| BMCR_ANRESTART | |
| BMCR_ANENABLE); |
| udelay(10); |
| netif_carrier_off(tp->dev); |
| } |
| tg3_writephy(tp, MII_BMCR, new_bmcr); |
| bmcr = new_bmcr; |
| err |= tg3_readphy(tp, MII_BMSR, &bmsr); |
| err |= tg3_readphy(tp, MII_BMSR, &bmsr); |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == |
| ASIC_REV_5714) { |
| if (tr32(MAC_TX_STATUS) & TX_STATUS_LINK_UP) |
| bmsr |= BMSR_LSTATUS; |
| else |
| bmsr &= ~BMSR_LSTATUS; |
| } |
| tp->phy_flags &= ~TG3_PHYFLG_PARALLEL_DETECT; |
| } |
| } |
| |
| if (bmsr & BMSR_LSTATUS) { |
| current_speed = SPEED_1000; |
| current_link_up = 1; |
| if (bmcr & BMCR_FULLDPLX) |
| current_duplex = DUPLEX_FULL; |
| else |
| current_duplex = DUPLEX_HALF; |
| |
| local_adv = 0; |
| remote_adv = 0; |
| |
| if (bmcr & BMCR_ANENABLE) { |
| u32 common; |
| |
| err |= tg3_readphy(tp, MII_ADVERTISE, &local_adv); |
| err |= tg3_readphy(tp, MII_LPA, &remote_adv); |
| common = local_adv & remote_adv; |
| if (common & (ADVERTISE_1000XHALF | |
| ADVERTISE_1000XFULL)) { |
| if (common & ADVERTISE_1000XFULL) |
| current_duplex = DUPLEX_FULL; |
| else |
| current_duplex = DUPLEX_HALF; |
| } else if (!tg3_flag(tp, 5780_CLASS)) { |
| /* Link is up via parallel detect */ |
| } else { |
| current_link_up = 0; |
| } |
| } |
| } |
| |
| if (current_link_up == 1 && current_duplex == DUPLEX_FULL) |
| tg3_setup_flow_control(tp, local_adv, remote_adv); |
| |
| tp->mac_mode &= ~MAC_MODE_HALF_DUPLEX; |
| if (tp->link_config.active_duplex == DUPLEX_HALF) |
| tp->mac_mode |= MAC_MODE_HALF_DUPLEX; |
| |
| tw32_f(MAC_MODE, tp->mac_mode); |
| udelay(40); |
| |
| tw32_f(MAC_EVENT, MAC_EVENT_LNKSTATE_CHANGED); |
| |
| tp->link_config.active_speed = current_speed; |
| tp->link_config.active_duplex = current_duplex; |
| |
| if (current_link_up != netif_carrier_ok(tp->dev)) { |
| if (current_link_up) |
| netif_carrier_on(tp->dev); |
| else { |
| netif_carrier_off(tp->dev); |
| tp->phy_flags &= ~TG3_PHYFLG_PARALLEL_DETECT; |
| } |
| tg3_link_report(tp); |
| } |
| return err; |
| } |
| |
| static void tg3_serdes_parallel_detect(struct tg3 *tp) |
| { |
| if (tp->serdes_counter) { |
| /* Give autoneg time to complete. */ |
| tp->serdes_counter--; |
| return; |
| } |
| |
| if (!netif_carrier_ok(tp->dev) && |
| (tp->link_config.autoneg == AUTONEG_ENABLE)) { |
| u32 bmcr; |
| |
| tg3_readphy(tp, MII_BMCR, &bmcr); |
| if (bmcr & BMCR_ANENABLE) { |
| u32 phy1, phy2; |
| |
| /* Select shadow register 0x1f */ |
| tg3_writephy(tp, MII_TG3_MISC_SHDW, 0x7c00); |
| tg3_readphy(tp, MII_TG3_MISC_SHDW, &phy1); |
| |
| /* Select expansion interrupt status register */ |
| tg3_writephy(tp, MII_TG3_DSP_ADDRESS, |
| MII_TG3_DSP_EXP1_INT_STAT); |
| tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &phy2); |
| tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &phy2); |
| |
| if ((phy1 & 0x10) && !(phy2 & 0x20)) { |
| /* We have signal detect and not receiving |
| * config code words, link is up by parallel |
| * detection. |
| */ |
| |
| bmcr &= ~BMCR_ANENABLE; |
| bmcr |= BMCR_SPEED1000 | BMCR_FULLDPLX; |
| tg3_writephy(tp, MII_BMCR, bmcr); |
| tp->phy_flags |= TG3_PHYFLG_PARALLEL_DETECT; |
| } |
| } |
| } else if (netif_carrier_ok(tp->dev) && |
| (tp->link_config.autoneg == AUTONEG_ENABLE) && |
| (tp->phy_flags & TG3_PHYFLG_PARALLEL_DETECT)) { |
| u32 phy2; |
| |
| /* Select expansion interrupt status register */ |
| tg3_writephy(tp, MII_TG3_DSP_ADDRESS, |
| MII_TG3_DSP_EXP1_INT_STAT); |
| tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &phy2); |
| if (phy2 & 0x20) { |
| u32 bmcr; |
| |
| /* Config code words received, turn on autoneg. */ |
| tg3_readphy(tp, MII_BMCR, &bmcr); |
| tg3_writephy(tp, MII_BMCR, bmcr | BMCR_ANENABLE); |
| |
| tp->phy_flags &= ~TG3_PHYFLG_PARALLEL_DETECT; |
| |
| } |
| } |
| } |
| |
| static int tg3_setup_phy(struct tg3 *tp, int force_reset) |
| { |
| u32 val; |
| int err; |
| |
| if (tp->phy_flags & TG3_PHYFLG_PHY_SERDES) |
| err = tg3_setup_fiber_phy(tp, force_reset); |
| else if (tp->phy_flags & TG3_PHYFLG_MII_SERDES) |
| err = tg3_setup_fiber_mii_phy(tp, force_reset); |
| else |
| err = tg3_setup_copper_phy(tp, force_reset); |
| |
| if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX) { |
| u32 scale; |
| |
| val = tr32(TG3_CPMU_CLCK_STAT) & CPMU_CLCK_STAT_MAC_CLCK_MASK; |
| if (val == CPMU_CLCK_STAT_MAC_CLCK_62_5) |
| scale = 65; |
| else if (val == CPMU_CLCK_STAT_MAC_CLCK_6_25) |
| scale = 6; |
| else |
| scale = 12; |
| |
| val = tr32(GRC_MISC_CFG) & ~GRC_MISC_CFG_PRESCALAR_MASK; |
| val |= (scale << GRC_MISC_CFG_PRESCALAR_SHIFT); |
| tw32(GRC_MISC_CFG, val); |
| } |
| |
| val = (2 << TX_LENGTHS_IPG_CRS_SHIFT) | |
| (6 << TX_LENGTHS_IPG_SHIFT); |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5720) |
| val |= tr32(MAC_TX_LENGTHS) & |
| (TX_LENGTHS_JMB_FRM_LEN_MSK | |
| TX_LENGTHS_CNT_DWN_VAL_MSK); |
| |
| if (tp->link_config.active_speed == SPEED_1000 && |
| tp->link_config.active_duplex == DUPLEX_HALF) |
| tw32(MAC_TX_LENGTHS, val | |
| (0xff << TX_LENGTHS_SLOT_TIME_SHIFT)); |
| else |
| tw32(MAC_TX_LENGTHS, val | |
| (32 << TX_LENGTHS_SLOT_TIME_SHIFT)); |
| |
| if (!tg3_flag(tp, 5705_PLUS)) { |
| if (netif_carrier_ok(tp->dev)) { |
| tw32(HOSTCC_STAT_COAL_TICKS, |
| tp->coal.stats_block_coalesce_usecs); |
| } else { |
| tw32(HOSTCC_STAT_COAL_TICKS, 0); |
| } |
| } |
| |
| if (tg3_flag(tp, ASPM_WORKAROUND)) { |
| val = tr32(PCIE_PWR_MGMT_THRESH); |
| if (!netif_carrier_ok(tp->dev)) |
| val = (val & ~PCIE_PWR_MGMT_L1_THRESH_MSK) | |
| tp->pwrmgmt_thresh; |
| else |
| val |= PCIE_PWR_MGMT_L1_THRESH_MSK; |
| tw32(PCIE_PWR_MGMT_THRESH, val); |
| } |
| |
| return err; |
| } |
| |
| static inline int tg3_irq_sync(struct tg3 *tp) |
| { |
| return tp->irq_sync; |
| } |
| |
| static inline void tg3_rd32_loop(struct tg3 *tp, u32 *dst, u32 off, u32 len) |
| { |
| int i; |
| |
| dst = (u32 *)((u8 *)dst + off); |
| for (i = 0; i < len; i += sizeof(u32)) |
| *dst++ = tr32(off + i); |
| } |
| |
| static void tg3_dump_legacy_regs(struct tg3 *tp, u32 *regs) |
| { |
| tg3_rd32_loop(tp, regs, TG3PCI_VENDOR, 0xb0); |
| tg3_rd32_loop(tp, regs, MAILBOX_INTERRUPT_0, 0x200); |
| tg3_rd32_loop(tp, regs, MAC_MODE, 0x4f0); |
| tg3_rd32_loop(tp, regs, SNDDATAI_MODE, 0xe0); |
| tg3_rd32_loop(tp, regs, SNDDATAC_MODE, 0x04); |
| tg3_rd32_loop(tp, regs, SNDBDS_MODE, 0x80); |
| tg3_rd32_loop(tp, regs, SNDBDI_MODE, 0x48); |
| tg3_rd32_loop(tp, regs, SNDBDC_MODE, 0x04); |
| tg3_rd32_loop(tp, regs, RCVLPC_MODE, 0x20); |
| tg3_rd32_loop(tp, regs, RCVLPC_SELLST_BASE, 0x15c); |
| tg3_rd32_loop(tp, regs, RCVDBDI_MODE, 0x0c); |
| tg3_rd32_loop(tp, regs, RCVDBDI_JUMBO_BD, 0x3c); |
| tg3_rd32_loop(tp, regs, RCVDBDI_BD_PROD_IDX_0, 0x44); |
| tg3_rd32_loop(tp, regs, RCVDCC_MODE, 0x04); |
| tg3_rd32_loop(tp, regs, RCVBDI_MODE, 0x20); |
| tg3_rd32_loop(tp, regs, RCVCC_MODE, 0x14); |
| tg3_rd32_loop(tp, regs, RCVLSC_MODE, 0x08); |
| tg3_rd32_loop(tp, regs, MBFREE_MODE, 0x08); |
| tg3_rd32_loop(tp, regs, HOSTCC_MODE, 0x100); |
| |
| if (tg3_flag(tp, SUPPORT_MSIX)) |
| tg3_rd32_loop(tp, regs, HOSTCC_RXCOL_TICKS_VEC1, 0x180); |
| |
| tg3_rd32_loop(tp, regs, MEMARB_MODE, 0x10); |
| tg3_rd32_loop(tp, regs, BUFMGR_MODE, 0x58); |
| tg3_rd32_loop(tp, regs, RDMAC_MODE, 0x08); |
| tg3_rd32_loop(tp, regs, WDMAC_MODE, 0x08); |
| tg3_rd32_loop(tp, regs, RX_CPU_MODE, 0x04); |
| tg3_rd32_loop(tp, regs, RX_CPU_STATE, 0x04); |
| tg3_rd32_loop(tp, regs, RX_CPU_PGMCTR, 0x04); |
| tg3_rd32_loop(tp, regs, RX_CPU_HWBKPT, 0x04); |
| |
| if (!tg3_flag(tp, 5705_PLUS)) { |
| tg3_rd32_loop(tp, regs, TX_CPU_MODE, 0x04); |
| tg3_rd32_loop(tp, regs, TX_CPU_STATE, 0x04); |
| tg3_rd32_loop(tp, regs, TX_CPU_PGMCTR, 0x04); |
| } |
| |
| tg3_rd32_loop(tp, regs, GRCMBOX_INTERRUPT_0, 0x110); |
| tg3_rd32_loop(tp, regs, FTQ_RESET, 0x120); |
| tg3_rd32_loop(tp, regs, MSGINT_MODE, 0x0c); |
| tg3_rd32_loop(tp, regs, DMAC_MODE, 0x04); |
| tg3_rd32_loop(tp, regs, GRC_MODE, 0x4c); |
| |
| if (tg3_flag(tp, NVRAM)) |
| tg3_rd32_loop(tp, regs, NVRAM_CMD, 0x24); |
| } |
| |
| static void tg3_dump_state(struct tg3 *tp) |
| { |
| int i; |
| u32 *regs; |
| |
| regs = kzalloc(TG3_REG_BLK_SIZE, GFP_ATOMIC); |
| if (!regs) { |
| netdev_err(tp->dev, "Failed allocating register dump buffer\n"); |
| return; |
| } |
| |
| if (tg3_flag(tp, PCI_EXPRESS)) { |
| /* Read up to but not including private PCI registers */ |
| for (i = 0; i < TG3_PCIE_TLDLPL_PORT; i += sizeof(u32)) |
| regs[i / sizeof(u32)] = tr32(i); |
| } else |
| tg3_dump_legacy_regs(tp, regs); |
| |
| for (i = 0; i < TG3_REG_BLK_SIZE / sizeof(u32); i += 4) { |
| if (!regs[i + 0] && !regs[i + 1] && |
| !regs[i + 2] && !regs[i + 3]) |
| continue; |
| |
| netdev_err(tp->dev, "0x%08x: 0x%08x, 0x%08x, 0x%08x, 0x%08x\n", |
| i * 4, |
| regs[i + 0], regs[i + 1], regs[i + 2], regs[i + 3]); |
| } |
| |
| kfree(regs); |
| |
| for (i = 0; i < tp->irq_cnt; i++) { |
| struct tg3_napi *tnapi = &tp->napi[i]; |
| |
| /* SW status block */ |
| netdev_err(tp->dev, |
| "%d: Host status block [%08x:%08x:(%04x:%04x:%04x):(%04x:%04x)]\n", |
| i, |
| tnapi->hw_status->status, |
| tnapi->hw_status->status_tag, |
| tnapi->hw_status->rx_jumbo_consumer, |
| tnapi->hw_status->rx_consumer, |
| tnapi->hw_status->rx_mini_consumer, |
| tnapi->hw_status->idx[0].rx_producer, |
| tnapi->hw_status->idx[0].tx_consumer); |
| |
| netdev_err(tp->dev, |
| "%d: NAPI info [%08x:%08x:(%04x:%04x:%04x):%04x:(%04x:%04x:%04x:%04x)]\n", |
| i, |
| tnapi->last_tag, tnapi->last_irq_tag, |
| tnapi->tx_prod, tnapi->tx_cons, tnapi->tx_pending, |
| tnapi->rx_rcb_ptr, |
| tnapi->prodring.rx_std_prod_idx, |
| tnapi->prodring.rx_std_cons_idx, |
| tnapi->prodring.rx_jmb_prod_idx, |
| tnapi->prodring.rx_jmb_cons_idx); |
| } |
| } |
| |
| /* This is called whenever we suspect that the system chipset is re- |
| * ordering the sequence of MMIO to the tx send mailbox. The symptom |
| * is bogus tx completions. We try to recover by setting the |
| * TG3_FLAG_MBOX_WRITE_REORDER flag and resetting the chip later |
| * in the workqueue. |
| */ |
| static void tg3_tx_recover(struct tg3 *tp) |
| { |
| BUG_ON(tg3_flag(tp, MBOX_WRITE_REORDER) || |
| tp->write32_tx_mbox == tg3_write_indirect_mbox); |
| |
| netdev_warn(tp->dev, |
| "The system may be re-ordering memory-mapped I/O " |
| "cycles to the network device, attempting to recover. " |
| "Please report the problem to the driver maintainer " |
| "and include system chipset information.\n"); |
| |
| spin_lock(&tp->lock); |
| tg3_flag_set(tp, TX_RECOVERY_PENDING); |
| spin_unlock(&tp->lock); |
| } |
| |
| static inline u32 tg3_tx_avail(struct tg3_napi *tnapi) |
| { |
| /* Tell compiler to fetch tx indices from memory. */ |
| barrier(); |
| return tnapi->tx_pending - |
| ((tnapi->tx_prod - tnapi->tx_cons) & (TG3_TX_RING_SIZE - 1)); |
| } |
| |
| /* Tigon3 never reports partial packet sends. So we do not |
| * need special logic to handle SKBs that have not had all |
| * of their frags sent yet, like SunGEM does. |
| */ |
| static void tg3_tx(struct tg3_napi *tnapi) |
| { |
| struct tg3 *tp = tnapi->tp; |
| u32 hw_idx = tnapi->hw_status->idx[0].tx_consumer; |
| u32 sw_idx = tnapi->tx_cons; |
| struct netdev_queue *txq; |
| int index = tnapi - tp->napi; |
| |
| if (tg3_flag(tp, ENABLE_TSS)) |
| index--; |
| |
| txq = netdev_get_tx_queue(tp->dev, index); |
| |
| while (sw_idx != hw_idx) { |
| struct ring_info *ri = &tnapi->tx_buffers[sw_idx]; |
| struct sk_buff *skb = ri->skb; |
| int i, tx_bug = 0; |
| |
| if (unlikely(skb == NULL)) { |
| tg3_tx_recover(tp); |
| return; |
| } |
| |
| pci_unmap_single(tp->pdev, |
| dma_unmap_addr(ri, mapping), |
| skb_headlen(skb), |
| PCI_DMA_TODEVICE); |
| |
| ri->skb = NULL; |
| |
| sw_idx = NEXT_TX(sw_idx); |
| |
| for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { |
| ri = &tnapi->tx_buffers[sw_idx]; |
| if (unlikely(ri->skb != NULL || sw_idx == hw_idx)) |
| tx_bug = 1; |
| |
| pci_unmap_page(tp->pdev, |
| dma_unmap_addr(ri, mapping), |
| skb_shinfo(skb)->frags[i].size, |
| PCI_DMA_TODEVICE); |
| sw_idx = NEXT_TX(sw_idx); |
| } |
| |
| dev_kfree_skb(skb); |
| |
| if (unlikely(tx_bug)) { |
| tg3_tx_recover(tp); |
| return; |
| } |
| } |
| |
| tnapi->tx_cons = sw_idx; |
| |
| /* Need to make the tx_cons update visible to tg3_start_xmit() |
| * before checking for netif_queue_stopped(). Without the |
| * memory barrier, there is a small possibility that tg3_start_xmit() |
| * will miss it and cause the queue to be stopped forever. |
| */ |
| smp_mb(); |
| |
| if (unlikely(netif_tx_queue_stopped(txq) && |
| (tg3_tx_avail(tnapi) > TG3_TX_WAKEUP_THRESH(tnapi)))) { |
| __netif_tx_lock(txq, smp_processor_id()); |
| if (netif_tx_queue_stopped(txq) && |
| (tg3_tx_avail(tnapi) > TG3_TX_WAKEUP_THRESH(tnapi))) |
| netif_tx_wake_queue(txq); |
| __netif_tx_unlock(txq); |
| } |
| } |
| |
| static void tg3_rx_skb_free(struct tg3 *tp, struct ring_info *ri, u32 map_sz) |
| { |
| if (!ri->skb) |
| return; |
| |
| pci_unmap_single(tp->pdev, dma_unmap_addr(ri, mapping), |
| map_sz, PCI_DMA_FROMDEVICE); |
| dev_kfree_skb_any(ri->skb); |
| ri->skb = NULL; |
| } |
| |
| /* Returns size of skb allocated or < 0 on error. |
| * |
| * We only need to fill in the address because the other members |
| * of the RX descriptor are invariant, see tg3_init_rings. |
| * |
| * Note the purposeful assymetry of cpu vs. chip accesses. For |
| * posting buffers we only dirty the first cache line of the RX |
| * descriptor (containing the address). Whereas for the RX status |
| * buffers the cpu only reads the last cacheline of the RX descriptor |
| * (to fetch the error flags, vlan tag, checksum, and opaque cookie). |
| */ |
| static int tg3_alloc_rx_skb(struct tg3 *tp, struct tg3_rx_prodring_set *tpr, |
| u32 opaque_key, u32 dest_idx_unmasked) |
| { |
| struct tg3_rx_buffer_desc *desc; |
| struct ring_info *map; |
| struct sk_buff *skb; |
| dma_addr_t mapping; |
| int skb_size, dest_idx; |
| |
| switch (opaque_key) { |
| case RXD_OPAQUE_RING_STD: |
| dest_idx = dest_idx_unmasked & tp->rx_std_ring_mask; |
| desc = &tpr->rx_std[dest_idx]; |
| map = &tpr->rx_std_buffers[dest_idx]; |
| skb_size = tp->rx_pkt_map_sz; |
| break; |
| |
| case RXD_OPAQUE_RING_JUMBO: |
| dest_idx = dest_idx_unmasked & tp->rx_jmb_ring_mask; |
| desc = &tpr->rx_jmb[dest_idx].std; |
| map = &tpr->rx_jmb_buffers[dest_idx]; |
| skb_size = TG3_RX_JMB_MAP_SZ; |
| break; |
| |
| default: |
| return -EINVAL; |
| } |
| |
| /* Do not overwrite any of the map or rp information |
| * until we are sure we can commit to a new buffer. |
| * |
| * Callers depend upon this behavior and assume that |
| * we leave everything unchanged if we fail. |
| */ |
| skb = netdev_alloc_skb(tp->dev, skb_size + tp->rx_offset); |
| if (skb == NULL) |
| return -ENOMEM; |
| |
| skb_reserve(skb, tp->rx_offset); |
| |
| mapping = pci_map_single(tp->pdev, skb->data, skb_size, |
| PCI_DMA_FROMDEVICE); |
| if (pci_dma_mapping_error(tp->pdev, mapping)) { |
| dev_kfree_skb(skb); |
| return -EIO; |
| } |
| |
| map->skb = skb; |
| dma_unmap_addr_set(map, mapping, mapping); |
| |
| desc->addr_hi = ((u64)mapping >> 32); |
| desc->addr_lo = ((u64)mapping & 0xffffffff); |
| |
| return skb_size; |
| } |
| |
| /* We only need to move over in the address because the other |
| * members of the RX descriptor are invariant. See notes above |
| * tg3_alloc_rx_skb for full details. |
| */ |
| static void tg3_recycle_rx(struct tg3_napi *tnapi, |
| struct tg3_rx_prodring_set *dpr, |
| u32 opaque_key, int src_idx, |
| u32 dest_idx_unmasked) |
| { |
| struct tg3 *tp = tnapi->tp; |
| struct tg3_rx_buffer_desc *src_desc, *dest_desc; |
| struct ring_info *src_map, *dest_map; |
| struct tg3_rx_prodring_set *spr = &tp->napi[0].prodring; |
| int dest_idx; |
| |
| switch (opaque_key) { |
| case RXD_OPAQUE_RING_STD: |
| dest_idx = dest_idx_unmasked & tp->rx_std_ring_mask; |
| dest_desc = &dpr->rx_std[dest_idx]; |
| dest_map = &dpr->rx_std_buffers[dest_idx]; |
| src_desc = &spr->rx_std[src_idx]; |
| src_map = &spr->rx_std_buffers[src_idx]; |
| break; |
| |
| case RXD_OPAQUE_RING_JUMBO: |
| dest_idx = dest_idx_unmasked & tp->rx_jmb_ring_mask; |
| dest_desc = &dpr->rx_jmb[dest_idx].std; |
| dest_map = &dpr->rx_jmb_buffers[dest_idx]; |
| src_desc = &spr->rx_jmb[src_idx].std; |
| src_map = &spr->rx_jmb_buffers[src_idx]; |
| break; |
| |
| default: |
| return; |
| } |
| |
| dest_map->skb = src_map->skb; |
| dma_unmap_addr_set(dest_map, mapping, |
| dma_unmap_addr(src_map, mapping)); |
| dest_desc->addr_hi = src_desc->addr_hi; |
| dest_desc->addr_lo = src_desc->addr_lo; |
| |
| /* Ensure that the update to the skb happens after the physical |
| * addresses have been transferred to the new BD location. |
| */ |
| smp_wmb(); |
| |
| src_map->skb = NULL; |
| } |
| |
| /* The RX ring scheme is composed of multiple rings which post fresh |
| * buffers to the chip, and one special ring the chip uses to report |
| * status back to the host. |
| * |
| * The special ring reports the status of received packets to the |
| * host. The chip does not write into the original descriptor the |
| * RX buffer was obtained from. The chip simply takes the original |
| * descriptor as provided by the host, updates the status and length |
| * field, then writes this into the next status ring entry. |
| * |
| * Each ring the host uses to post buffers to the chip is described |
| * by a TG3_BDINFO entry in the chips SRAM area. When a packet arrives, |
| * it is first placed into the on-chip ram. When the packet's length |
| * is known, it walks down the TG3_BDINFO entries to select the ring. |
| * Each TG3_BDINFO specifies a MAXLEN field and the first TG3_BDINFO |
| * which is within the range of the new packet's length is chosen. |
| * |
| * The "separate ring for rx status" scheme may sound queer, but it makes |
| * sense from a cache coherency perspective. If only the host writes |
| * to the buffer post rings, and only the chip writes to the rx status |
| * rings, then cache lines never move beyond shared-modified state. |
| * If both the host and chip were to write into the same ring, cache line |
| * eviction could occur since both entities want it in an exclusive state. |
| */ |
| static int tg3_rx(struct tg3_napi *tnapi, int budget) |
| { |
| struct tg3 *tp = tnapi->tp; |
| u32 work_mask, rx_std_posted = 0; |
| u32 std_prod_idx, jmb_prod_idx; |
| u32 sw_idx = tnapi->rx_rcb_ptr; |
| u16 hw_idx; |
| int received; |
| struct tg3_rx_prodring_set *tpr = &tnapi->prodring; |
| |
| hw_idx = *(tnapi->rx_rcb_prod_idx); |
| /* |
| * We need to order the read of hw_idx and the read of |
| * the opaque cookie. |
| */ |
| rmb(); |
| work_mask = 0; |
| received = 0; |
| std_prod_idx = tpr->rx_std_prod_idx; |
| jmb_prod_idx = tpr->rx_jmb_prod_idx; |
| while (sw_idx != hw_idx && budget > 0) { |
| struct ring_info *ri; |
| struct tg3_rx_buffer_desc *desc = &tnapi->rx_rcb[sw_idx]; |
| unsigned int len; |
| struct sk_buff *skb; |
| dma_addr_t dma_addr; |
| u32 opaque_key, desc_idx, *post_ptr; |
| |
| desc_idx = desc->opaque & RXD_OPAQUE_INDEX_MASK; |
| opaque_key = desc->opaque & RXD_OPAQUE_RING_MASK; |
| if (opaque_key == RXD_OPAQUE_RING_STD) { |
| ri = &tp->napi[0].prodring.rx_std_buffers[desc_idx]; |
| dma_addr = dma_unmap_addr(ri, mapping); |
| skb = ri->skb; |
| post_ptr = &std_prod_idx; |
| rx_std_posted++; |
| } else if (opaque_key == RXD_OPAQUE_RING_JUMBO) { |
| ri = &tp->napi[0].prodring.rx_jmb_buffers[desc_idx]; |
| dma_addr = dma_unmap_addr(ri, mapping); |
| skb = ri->skb; |
| post_ptr = &jmb_prod_idx; |
| } else |
| goto next_pkt_nopost; |
| |
| work_mask |= opaque_key; |
| |
| if ((desc->err_vlan & RXD_ERR_MASK) != 0 && |
| (desc->err_vlan != RXD_ERR_ODD_NIBBLE_RCVD_MII)) { |
| drop_it: |
| tg3_recycle_rx(tnapi, tpr, opaque_key, |
| desc_idx, *post_ptr); |
| drop_it_no_recycle: |
| /* Other statistics kept track of by card. */ |
| tp->rx_dropped++; |
| goto next_pkt; |
| } |
| |
| len = ((desc->idx_len & RXD_LEN_MASK) >> RXD_LEN_SHIFT) - |
| ETH_FCS_LEN; |
| |
| if (len > TG3_RX_COPY_THRESH(tp)) { |
| int skb_size; |
| |
| skb_size = tg3_alloc_rx_skb(tp, tpr, opaque_key, |
| *post_ptr); |
| if (skb_size < 0) |
| goto drop_it; |
| |
| pci_unmap_single(tp->pdev, dma_addr, skb_size, |
| PCI_DMA_FROMDEVICE); |
| |
| /* Ensure that the update to the skb happens |
| * after the usage of the old DMA mapping. |
| */ |
| smp_wmb(); |
| |
| ri->skb = NULL; |
| |
| skb_put(skb, len); |
| } else { |
| struct sk_buff *copy_skb; |
| |
| tg3_recycle_rx(tnapi, tpr, opaque_key, |
| desc_idx, *post_ptr); |
| |
| copy_skb = netdev_alloc_skb(tp->dev, len + |
| TG3_RAW_IP_ALIGN); |
| if (copy_skb == NULL) |
| goto drop_it_no_recycle; |
| |
| skb_reserve(copy_skb, TG3_RAW_IP_ALIGN); |
| skb_put(copy_skb, len); |
| pci_dma_sync_single_for_cpu(tp->pdev, dma_addr, len, PCI_DMA_FROMDEVICE); |
| skb_copy_from_linear_data(skb, copy_skb->data, len); |
| pci_dma_sync_single_for_device(tp->pdev, dma_addr, len, PCI_DMA_FROMDEVICE); |
| |
| /* We'll reuse the original ring buffer. */ |
| skb = copy_skb; |
| } |
| |
| if ((tp->dev->features & NETIF_F_RXCSUM) && |
| (desc->type_flags & RXD_FLAG_TCPUDP_CSUM) && |
| (((desc->ip_tcp_csum & RXD_TCPCSUM_MASK) |
| >> RXD_TCPCSUM_SHIFT) == 0xffff)) |
| skb->ip_summed = CHECKSUM_UNNECESSARY; |
| else |
| skb_checksum_none_assert(skb); |
| |
| skb->protocol = eth_type_trans(skb, tp->dev); |
| |
| if (len > (tp->dev->mtu + ETH_HLEN) && |
| skb->protocol != htons(ETH_P_8021Q)) { |
| dev_kfree_skb(skb); |
| goto drop_it_no_recycle; |
| } |
| |
| if (desc->type_flags & RXD_FLAG_VLAN && |
| !(tp->rx_mode & RX_MODE_KEEP_VLAN_TAG)) |
| __vlan_hwaccel_put_tag(skb, |
| desc->err_vlan & RXD_VLAN_MASK); |
| |
| napi_gro_receive(&tnapi->napi, skb); |
| |
| received++; |
| budget--; |
| |
| next_pkt: |
| (*post_ptr)++; |
| |
| if (unlikely(rx_std_posted >= tp->rx_std_max_post)) { |
| tpr->rx_std_prod_idx = std_prod_idx & |
| tp->rx_std_ring_mask; |
| tw32_rx_mbox(TG3_RX_STD_PROD_IDX_REG, |
| tpr->rx_std_prod_idx); |
| work_mask &= ~RXD_OPAQUE_RING_STD; |
| rx_std_posted = 0; |
| } |
| next_pkt_nopost: |
| sw_idx++; |
| sw_idx &= tp->rx_ret_ring_mask; |
| |
| /* Refresh hw_idx to see if there is new work */ |
| if (sw_idx == hw_idx) { |
| hw_idx = *(tnapi->rx_rcb_prod_idx); |
| rmb(); |
| } |
| } |
| |
| /* ACK the status ring. */ |
| tnapi->rx_rcb_ptr = sw_idx; |
| tw32_rx_mbox(tnapi->consmbox, sw_idx); |
| |
| /* Refill RX ring(s). */ |
| if (!tg3_flag(tp, ENABLE_RSS)) { |
| if (work_mask & RXD_OPAQUE_RING_STD) { |
| tpr->rx_std_prod_idx = std_prod_idx & |
| tp->rx_std_ring_mask; |
| tw32_rx_mbox(TG3_RX_STD_PROD_IDX_REG, |
| tpr->rx_std_prod_idx); |
| } |
| if (work_mask & RXD_OPAQUE_RING_JUMBO) { |
| tpr->rx_jmb_prod_idx = jmb_prod_idx & |
| tp->rx_jmb_ring_mask; |
| tw32_rx_mbox(TG3_RX_JMB_PROD_IDX_REG, |
| tpr->rx_jmb_prod_idx); |
| } |
| mmiowb(); |
| } else if (work_mask) { |
| /* rx_std_buffers[] and rx_jmb_buffers[] entries must be |
| * updated before the producer indices can be updated. |
| */ |
| smp_wmb(); |
| |
| tpr->rx_std_prod_idx = std_prod_idx & tp->rx_std_ring_mask; |
| tpr->rx_jmb_prod_idx = jmb_prod_idx & tp->rx_jmb_ring_mask; |
| |
| if (tnapi != &tp->napi[1]) |
| napi_schedule(&tp->napi[1].napi); |
| } |
| |
| return received; |
| } |
| |
| static void tg3_poll_link(struct tg3 *tp) |
| { |
| /* handle link change and other phy events */ |
| if (!(tg3_flag(tp, USE_LINKCHG_REG) || tg3_flag(tp, POLL_SERDES))) { |
| struct tg3_hw_status *sblk = tp->napi[0].hw_status; |
| |
| if (sblk->status & SD_STATUS_LINK_CHG) { |
| sblk->status = SD_STATUS_UPDATED | |
| (sblk->status & ~SD_STATUS_LINK_CHG); |
| spin_lock(&tp->lock); |
| if (tg3_flag(tp, USE_PHYLIB)) { |
| tw32_f(MAC_STATUS, |
| (MAC_STATUS_SYNC_CHANGED | |
| MAC_STATUS_CFG_CHANGED | |
| MAC_STATUS_MI_COMPLETION | |
| MAC_STATUS_LNKSTATE_CHANGED)); |
| udelay(40); |
| } else |
| tg3_setup_phy(tp, 0); |
| spin_unlock(&tp->lock); |
| } |
| } |
| } |
| |
| static int tg3_rx_prodring_xfer(struct tg3 *tp, |
| struct tg3_rx_prodring_set *dpr, |
| struct tg3_rx_prodring_set *spr) |
| { |
| u32 si, di, cpycnt, src_prod_idx; |
| int i, err = 0; |
| |
| while (1) { |
| src_prod_idx = spr->rx_std_prod_idx; |
| |
| /* Make sure updates to the rx_std_buffers[] entries and the |
| * standard producer index are seen in the correct order. |
| */ |
| smp_rmb(); |
| |
| if (spr->rx_std_cons_idx == src_prod_idx) |
| break; |
| |
| if (spr->rx_std_cons_idx < src_prod_idx) |
| cpycnt = src_prod_idx - spr->rx_std_cons_idx; |
| else |
| cpycnt = tp->rx_std_ring_mask + 1 - |
| spr->rx_std_cons_idx; |
| |
| cpycnt = min(cpycnt, |
| tp->rx_std_ring_mask + 1 - dpr->rx_std_prod_idx); |
| |
| si = spr->rx_std_cons_idx; |
| di = dpr->rx_std_prod_idx; |
| |
| for (i = di; i < di + cpycnt; i++) { |
| if (dpr->rx_std_buffers[i].skb) { |
| cpycnt = i - di; |
| err = -ENOSPC; |
| break; |
| } |
| } |
| |
| if (!cpycnt) |
| break; |
| |
| /* Ensure that updates to the rx_std_buffers ring and the |
| * shadowed hardware producer ring from tg3_recycle_skb() are |
| * ordered correctly WRT the skb check above. |
| */ |
| smp_rmb(); |
| |
| memcpy(&dpr->rx_std_buffers[di], |
| &spr->rx_std_buffers[si], |
| cpycnt * sizeof(struct ring_info)); |
| |
| for (i = 0; i < cpycnt; i++, di++, si++) { |
| struct tg3_rx_buffer_desc *sbd, *dbd; |
| sbd = &spr->rx_std[si]; |
| dbd = &dpr->rx_std[di]; |
| dbd->addr_hi = sbd->addr_hi; |
| dbd->addr_lo = sbd->addr_lo; |
| } |
| |
| spr->rx_std_cons_idx = (spr->rx_std_cons_idx + cpycnt) & |
| tp->rx_std_ring_mask; |
| dpr->rx_std_prod_idx = (dpr->rx_std_prod_idx + cpycnt) & |
| tp->rx_std_ring_mask; |
| } |
| |
| while (1) { |
| src_prod_idx = spr->rx_jmb_prod_idx; |
| |
| /* Make sure updates to the rx_jmb_buffers[] entries and |
| * the jumbo producer index are seen in the correct order. |
| */ |
| smp_rmb(); |
| |
| if (spr->rx_jmb_cons_idx == src_prod_idx) |
| break; |
| |
| if (spr->rx_jmb_cons_idx < src_prod_idx) |
| cpycnt = src_prod_idx - spr->rx_jmb_cons_idx; |
| else |
| cpycnt = tp->rx_jmb_ring_mask + 1 - |
| spr->rx_jmb_cons_idx; |
| |
| cpycnt = min(cpycnt, |
| tp->rx_jmb_ring_mask + 1 - dpr->rx_jmb_prod_idx); |
| |
| si = spr->rx_jmb_cons_idx; |
| di = dpr->rx_jmb_prod_idx; |
| |
| for (i = di; i < di + cpycnt; i++) { |
| if (dpr->rx_jmb_buffers[i].skb) { |
| cpycnt = i - di; |
| err = -ENOSPC; |
| break; |
| } |
| } |
| |
| if (!cpycnt) |
| break; |
| |
| /* Ensure that updates to the rx_jmb_buffers ring and the |
| * shadowed hardware producer ring from tg3_recycle_skb() are |
| * ordered correctly WRT the skb check above. |
| */ |
| smp_rmb(); |
| |
| memcpy(&dpr->rx_jmb_buffers[di], |
| &spr->rx_jmb_buffers[si], |
| cpycnt * sizeof(struct ring_info)); |
| |
| for (i = 0; i < cpycnt; i++, di++, si++) { |
| struct tg3_rx_buffer_desc *sbd, *dbd; |
| sbd = &spr->rx_jmb[si].std; |
| dbd = &dpr->rx_jmb[di].std; |
| dbd->addr_hi = sbd->addr_hi; |
| dbd->addr_lo = sbd->addr_lo; |
| } |
| |
| spr->rx_jmb_cons_idx = (spr->rx_jmb_cons_idx + cpycnt) & |
| tp->rx_jmb_ring_mask; |
| dpr->rx_jmb_prod_idx = (dpr->rx_jmb_prod_idx + cpycnt) & |
| tp->rx_jmb_ring_mask; |
| } |
| |
| return err; |
| } |
| |
| static int tg3_poll_work(struct tg3_napi *tnapi, int work_done, int budget) |
| { |
| struct tg3 *tp = tnapi->tp; |
| |
| /* run TX completion thread */ |
| if (tnapi->hw_status->idx[0].tx_consumer != tnapi->tx_cons) { |
| tg3_tx(tnapi); |
| if (unlikely(tg3_flag(tp, TX_RECOVERY_PENDING))) |
| return work_done; |
| } |
| |
| /* run RX thread, within the bounds set by NAPI. |
| * All RX "locking" is done by ensuring outside |
| * code synchronizes with tg3->napi.poll() |
| */ |
| if (*(tnapi->rx_rcb_prod_idx) != tnapi->rx_rcb_ptr) |
| work_done += tg3_rx(tnapi, budget - work_done); |
| |
| if (tg3_flag(tp, ENABLE_RSS) && tnapi == &tp->napi[1]) { |
| struct tg3_rx_prodring_set *dpr = &tp->napi[0].prodring; |
| int i, err = 0; |
| u32 std_prod_idx = dpr->rx_std_prod_idx; |
| u32 jmb_prod_idx = dpr->rx_jmb_prod_idx; |
| |
| for (i = 1; i < tp->irq_cnt; i++) |
| err |= tg3_rx_prodring_xfer(tp, dpr, |
| &tp->napi[i].prodring); |
| |
| wmb(); |
| |
| if (std_prod_idx != dpr->rx_std_prod_idx) |
| tw32_rx_mbox(TG3_RX_STD_PROD_IDX_REG, |
| dpr->rx_std_prod_idx); |
| |
| if (jmb_prod_idx != dpr->rx_jmb_prod_idx) |
| tw32_rx_mbox(TG3_RX_JMB_PROD_IDX_REG, |
| dpr->rx_jmb_prod_idx); |
| |
| mmiowb(); |
| |
| if (err) |
| tw32_f(HOSTCC_MODE, tp->coal_now); |
| } |
| |
| return work_done; |
| } |
| |
| static int tg3_poll_msix(struct napi_struct *napi, int budget) |
| { |
| struct tg3_napi *tnapi = container_of(napi, struct tg3_napi, napi); |
| struct tg3 *tp = tnapi->tp; |
| int work_done = 0; |
| struct tg3_hw_status *sblk = tnapi->hw_status; |
| |
| while (1) { |
| work_done = tg3_poll_work(tnapi, work_done, budget); |
| |
| if (unlikely(tg3_flag(tp, TX_RECOVERY_PENDING))) |
| goto tx_recovery; |
| |
| if (unlikely(work_done >= budget)) |
| break; |
| |
| /* tp->last_tag is used in tg3_int_reenable() below |
| * to tell the hw how much work has been processed, |
| * so we must read it before checking for more work. |
| */ |
| tnapi->last_tag = sblk->status_tag; |
| tnapi->last_irq_tag = tnapi->last_tag; |
| rmb(); |
| |
| /* check for RX/TX work to do */ |
| if (likely(sblk->idx[0].tx_consumer == tnapi->tx_cons && |
| *(tnapi->rx_rcb_prod_idx) == tnapi->rx_rcb_ptr)) { |
| napi_complete(napi); |
| /* Reenable interrupts. */ |
| tw32_mailbox(tnapi->int_mbox, tnapi->last_tag << 24); |
| mmiowb(); |
| break; |
| } |
| } |
| |
| return work_done; |
| |
| tx_recovery: |
| /* work_done is guaranteed to be less than budget. */ |
| napi_complete(napi); |
| schedule_work(&tp->reset_task); |
| return work_done; |
| } |
| |
| static void tg3_process_error(struct tg3 *tp) |
| { |
| u32 val; |
| bool real_error = false; |
| |
| if (tg3_flag(tp, ERROR_PROCESSED)) |
| return; |
| |
| /* Check Flow Attention register */ |
| val = tr32(HOSTCC_FLOW_ATTN); |
| if (val & ~HOSTCC_FLOW_ATTN_MBUF_LWM) { |
| netdev_err(tp->dev, "FLOW Attention error. Resetting chip.\n"); |
| real_error = true; |
| } |
| |
| if (tr32(MSGINT_STATUS) & ~MSGINT_STATUS_MSI_REQ) { |
| netdev_err(tp->dev, "MSI Status error. Resetting chip.\n"); |
| real_error = true; |
| } |
| |
| if (tr32(RDMAC_STATUS) || tr32(WDMAC_STATUS)) { |
| netdev_err(tp->dev, "DMA Status error. Resetting chip.\n"); |
| real_error = true; |
| } |
| |
| if (!real_error) |
| return; |
| |
| tg3_dump_state(tp); |
| |
| tg3_flag_set(tp, ERROR_PROCESSED); |
| schedule_work(&tp->reset_task); |
| } |
| |
| static int tg3_poll(struct napi_struct *napi, int budget) |
| { |
| struct tg3_napi *tnapi = container_of(napi, struct tg3_napi, napi); |
| struct tg3 *tp = tnapi->tp; |
| int work_done = 0; |
| struct tg3_hw_status *sblk = tnapi->hw_status; |
| |
| while (1) { |
| if (sblk->status & SD_STATUS_ERROR) |
| tg3_process_error(tp); |
| |
| tg3_poll_link(tp); |
| |
| work_done = tg3_poll_work(tnapi, work_done, budget); |
| |
| if (unlikely(tg3_flag(tp, TX_RECOVERY_PENDING))) |
| goto tx_recovery; |
| |
| if (unlikely(work_done >= budget)) |
| break; |
| |
| if (tg3_flag(tp, TAGGED_STATUS)) { |
| /* tp->last_tag is used in tg3_int_reenable() below |
| * to tell the hw how much work has been processed, |
| * so we must read it before checking for more work. |
| */ |
| tnapi->last_tag = sblk->status_tag; |
| tnapi->last_irq_tag = tnapi->last_tag; |
| rmb(); |
| } else |
| sblk->status &= ~SD_STATUS_UPDATED; |
| |
| if (likely(!tg3_has_work(tnapi))) { |
| napi_complete(napi); |
| tg3_int_reenable(tnapi); |
| break; |
| } |
| } |
| |
| return work_done; |
| |
| tx_recovery: |
| /* work_done is guaranteed to be less than budget. */ |
| napi_complete(napi); |
| schedule_work(&tp->reset_task); |
| return work_done; |
| } |
| |
| static void tg3_napi_disable(struct tg3 *tp) |
| { |
| int i; |
| |
| for (i = tp->irq_cnt - 1; i >= 0; i--) |
| napi_disable(&tp->napi[i].napi); |
| } |
| |
| static void tg3_napi_enable(struct tg3 *tp) |
| { |
| int i; |
| |
| for (i = 0; i < tp->irq_cnt; i++) |
| napi_enable(&tp->napi[i].napi); |
| } |
| |
| static void tg3_napi_init(struct tg3 *tp) |
| { |
| int i; |
| |
| netif_napi_add(tp->dev, &tp->napi[0].napi, tg3_poll, 64); |
| for (i = 1; i < tp->irq_cnt; i++) |
| netif_napi_add(tp->dev, &tp->napi[i].napi, tg3_poll_msix, 64); |
| } |
| |
| static void tg3_napi_fini(struct tg3 *tp) |
| { |
| int i; |
| |
| for (i = 0; i < tp->irq_cnt; i++) |
| netif_napi_del(&tp->napi[i].napi); |
| } |
| |
| static inline void tg3_netif_stop(struct tg3 *tp) |
| { |
| tp->dev->trans_start = jiffies; /* prevent tx timeout */ |
| tg3_napi_disable(tp); |
| netif_tx_disable(tp->dev); |
| } |
| |
| static inline void tg3_netif_start(struct tg3 *tp) |
| { |
| /* NOTE: unconditional netif_tx_wake_all_queues is only |
| * appropriate so long as all callers are assured to |
| * have free tx slots (such as after tg3_init_hw) |
| */ |
| netif_tx_wake_all_queues(tp->dev); |
| |
| tg3_napi_enable(tp); |
| tp->napi[0].hw_status->status |= SD_STATUS_UPDATED; |
| tg3_enable_ints(tp); |
| } |
| |
| static void tg3_irq_quiesce(struct tg3 *tp) |
| { |
| int i; |
| |
| BUG_ON(tp->irq_sync); |
| |
| tp->irq_sync = 1; |
| smp_mb(); |
| |
| for (i = 0; i < tp->irq_cnt; i++) |
| synchronize_irq(tp->napi[i].irq_vec); |
| } |
| |
| /* Fully shutdown all tg3 driver activity elsewhere in the system. |
| * If irq_sync is non-zero, then the IRQ handler must be synchronized |
| * with as well. Most of the time, this is not necessary except when |
| * shutting down the device. |
| */ |
| static inline void tg3_full_lock(struct tg3 *tp, int irq_sync) |
| { |
| spin_lock_bh(&tp->lock); |
| if (irq_sync) |
| tg3_irq_quiesce(tp); |
| } |
| |
| static inline void tg3_full_unlock(struct tg3 *tp) |
| { |
| spin_unlock_bh(&tp->lock); |
| } |
| |
| /* One-shot MSI handler - Chip automatically disables interrupt |
| * after sending MSI so driver doesn't have to do it. |
| */ |
| static irqreturn_t tg3_msi_1shot(int irq, void *dev_id) |
| { |
| struct tg3_napi *tnapi = dev_id; |
| struct tg3 *tp = tnapi->tp; |
| |
| prefetch(tnapi->hw_status); |
| if (tnapi->rx_rcb) |
| prefetch(&tnapi->rx_rcb[tnapi->rx_rcb_ptr]); |
| |
| if (likely(!tg3_irq_sync(tp))) |
| napi_schedule(&tnapi->napi); |
| |
| return IRQ_HANDLED; |
| } |
| |
| /* MSI ISR - No need to check for interrupt sharing and no need to |
| * flush status block and interrupt mailbox. PCI ordering rules |
| * guarantee that MSI will arrive after the status block. |
| */ |
| static irqreturn_t tg3_msi(int irq, void *dev_id) |
| { |
| struct tg3_napi *tnapi = dev_id; |
| struct tg3 *tp = tnapi->tp; |
| |
| prefetch(tnapi->hw_status); |
| if (tnapi->rx_rcb) |
| prefetch(&tnapi->rx_rcb[tnapi->rx_rcb_ptr]); |
| /* |
| * Writing any value to intr-mbox-0 clears PCI INTA# and |
| * chip-internal interrupt pending events. |
| * Writing non-zero to intr-mbox-0 additional tells the |
| * NIC to stop sending us irqs, engaging "in-intr-handler" |
| * event coalescing. |
| */ |
| tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001); |
| if (likely(!tg3_irq_sync(tp))) |
| napi_schedule(&tnapi->napi); |
| |
| return IRQ_RETVAL(1); |
| } |
| |
| static irqreturn_t tg3_interrupt(int irq, void *dev_id) |
| { |
| struct tg3_napi *tnapi = dev_id; |
| struct tg3 *tp = tnapi->tp; |
| struct tg3_hw_status *sblk = tnapi->hw_status; |
| unsigned int handled = 1; |
| |
| /* In INTx mode, it is possible for the interrupt to arrive at |
| * the CPU before the status block posted prior to the interrupt. |
| * Reading the PCI State register will confirm whether the |
| * interrupt is ours and will flush the status block. |
| */ |
| if (unlikely(!(sblk->status & SD_STATUS_UPDATED))) { |
| if (tg3_flag(tp, CHIP_RESETTING) || |
| (tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) { |
| handled = 0; |
| goto out; |
| } |
| } |
| |
| /* |
| * Writing any value to intr-mbox-0 clears PCI INTA# and |
| * chip-internal interrupt pending events. |
| * Writing non-zero to intr-mbox-0 additional tells the |
| * NIC to stop sending us irqs, engaging "in-intr-handler" |
| * event coalescing. |
| * |
| * Flush the mailbox to de-assert the IRQ immediately to prevent |
| * spurious interrupts. The flush impacts performance but |
| * excessive spurious interrupts can be worse in some cases. |
| */ |
| tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001); |
| if (tg3_irq_sync(tp)) |
| goto out; |
| sblk->status &= ~SD_STATUS_UPDATED; |
| if (likely(tg3_has_work(tnapi))) { |
| prefetch(&tnapi->rx_rcb[tnapi->rx_rcb_ptr]); |
| napi_schedule(&tnapi->napi); |
| } else { |
| /* No work, shared interrupt perhaps? re-enable |
| * interrupts, and flush that PCI write |
| */ |
| tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, |
| 0x00000000); |
| } |
| out: |
| return IRQ_RETVAL(handled); |
| } |
| |
| static irqreturn_t tg3_interrupt_tagged(int irq, void *dev_id) |
| { |
| struct tg3_napi *tnapi = dev_id; |
| struct tg3 *tp = tnapi->tp; |
| struct tg3_hw_status *sblk = tnapi->hw_status; |
| unsigned int handled = 1; |
| |
| /* In INTx mode, it is possible for the interrupt to arrive at |
| * the CPU before the status block posted prior to the interrupt. |
| * Reading the PCI State register will confirm whether the |
| * interrupt is ours and will flush the status block. |
| */ |
| if (unlikely(sblk->status_tag == tnapi->last_irq_tag)) { |
| if (tg3_flag(tp, CHIP_RESETTING) || |
| (tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) { |
| handled = 0; |
| goto out; |
| } |
| } |
| |
| /* |
| * writing any value to intr-mbox-0 clears PCI INTA# and |
| * chip-internal interrupt pending events. |
| * writing non-zero to intr-mbox-0 additional tells the |
| * NIC to stop sending us irqs, engaging "in-intr-handler" |
| * event coalescing. |
| * |
| * Flush the mailbox to de-assert the IRQ immediately to prevent |
| * spurious interrupts. The flush impacts performance but |
| * excessive spurious interrupts can be worse in some cases. |
| */ |
| tw32_mailbox_f(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001); |
| |
| /* |
| * In a shared interrupt configuration, sometimes other devices' |
| * interrupts will scream. We record the current status tag here |
| * so that the above check can report that the screaming interrupts |
| * are unhandled. Eventually they will be silenced. |
| */ |
| tnapi->last_irq_tag = sblk->status_tag; |
| |
| if (tg3_irq_sync(tp)) |
| goto out; |
| |
| prefetch(&tnapi->rx_rcb[tnapi->rx_rcb_ptr]); |
| |
| napi_schedule(&tnapi->napi); |
| |
| out: |
| return IRQ_RETVAL(handled); |
| } |
| |
| /* ISR for interrupt test */ |
| static irqreturn_t tg3_test_isr(int irq, void *dev_id) |
| { |
| struct tg3_napi *tnapi = dev_id; |
| struct tg3 *tp = tnapi->tp; |
| struct tg3_hw_status *sblk = tnapi->hw_status; |
| |
| if ((sblk->status & SD_STATUS_UPDATED) || |
| !(tr32(TG3PCI_PCISTATE) & PCISTATE_INT_NOT_ACTIVE)) { |
| tg3_disable_ints(tp); |
| return IRQ_RETVAL(1); |
| } |
| return IRQ_RETVAL(0); |
| } |
| |
| static int tg3_init_hw(struct tg3 *, int); |
| static int tg3_halt(struct tg3 *, int, int); |
| |
| /* Restart hardware after configuration changes, self-test, etc. |
| * Invoked with tp->lock held. |
| */ |
| static int tg3_restart_hw(struct tg3 *tp, int reset_phy) |
| __releases(tp->lock) |
| __acquires(tp->lock) |
| { |
| int err; |
| |
| err = tg3_init_hw(tp, reset_phy); |
| if (err) { |
| netdev_err(tp->dev, |
| "Failed to re-initialize device, aborting\n"); |
| tg3_halt(tp, RESET_KIND_SHUTDOWN, 1); |
| tg3_full_unlock(tp); |
| del_timer_sync(&tp->timer); |
| tp->irq_sync = 0; |
| tg3_napi_enable(tp); |
| dev_close(tp->dev); |
| tg3_full_lock(tp, 0); |
| } |
| return err; |
| } |
| |
| #ifdef CONFIG_NET_POLL_CONTROLLER |
| static void tg3_poll_controller(struct net_device *dev) |
| { |
| int i; |
| struct tg3 *tp = netdev_priv(dev); |
| |
| for (i = 0; i < tp->irq_cnt; i++) |
| tg3_interrupt(tp->napi[i].irq_vec, &tp->napi[i]); |
| } |
| #endif |
| |
| static void tg3_reset_task(struct work_struct *work) |
| { |
| struct tg3 *tp = container_of(work, struct tg3, reset_task); |
| int err; |
| unsigned int restart_timer; |
| |
| tg3_full_lock(tp, 0); |
| |
| if (!netif_running(tp->dev)) { |
| tg3_full_unlock(tp); |
| return; |
| } |
| |
| tg3_full_unlock(tp); |
| |
| tg3_phy_stop(tp); |
| |
| tg3_netif_stop(tp); |
| |
| tg3_full_lock(tp, 1); |
| |
| restart_timer = tg3_flag(tp, RESTART_TIMER); |
| tg3_flag_clear(tp, RESTART_TIMER); |
| |
| if (tg3_flag(tp, TX_RECOVERY_PENDING)) { |
| tp->write32_tx_mbox = tg3_write32_tx_mbox; |
| tp->write32_rx_mbox = tg3_write_flush_reg32; |
| tg3_flag_set(tp, MBOX_WRITE_REORDER); |
| tg3_flag_clear(tp, TX_RECOVERY_PENDING); |
| } |
| |
| tg3_halt(tp, RESET_KIND_SHUTDOWN, 0); |
| err = tg3_init_hw(tp, 1); |
| if (err) |
| goto out; |
| |
| tg3_netif_start(tp); |
| |
| if (restart_timer) |
| mod_timer(&tp->timer, jiffies + 1); |
| |
| out: |
| tg3_full_unlock(tp); |
| |
| if (!err) |
| tg3_phy_start(tp); |
| } |
| |
| static void tg3_tx_timeout(struct net_device *dev) |
| { |
| struct tg3 *tp = netdev_priv(dev); |
| |
| if (netif_msg_tx_err(tp)) { |
| netdev_err(dev, "transmit timed out, resetting\n"); |
| tg3_dump_state(tp); |
| } |
| |
| schedule_work(&tp->reset_task); |
| } |
| |
| /* Test for DMA buffers crossing any 4GB boundaries: 4G, 8G, etc */ |
| static inline int tg3_4g_overflow_test(dma_addr_t mapping, int len) |
| { |
| u32 base = (u32) mapping & 0xffffffff; |
| |
| return (base > 0xffffdcc0) && (base + len + 8 < base); |
| } |
| |
| /* Test for DMA addresses > 40-bit */ |
| static inline int tg3_40bit_overflow_test(struct tg3 *tp, dma_addr_t mapping, |
| int len) |
| { |
| #if defined(CONFIG_HIGHMEM) && (BITS_PER_LONG == 64) |
| if (tg3_flag(tp, 40BIT_DMA_BUG)) |
| return ((u64) mapping + len) > DMA_BIT_MASK(40); |
| return 0; |
| #else |
| return 0; |
| #endif |
| } |
| |
| static void tg3_set_txd(struct tg3_napi *tnapi, int entry, |
| dma_addr_t mapping, int len, u32 flags, |
| u32 mss_and_is_end) |
| { |
| struct tg3_tx_buffer_desc *txd = &tnapi->tx_ring[entry]; |
| int is_end = (mss_and_is_end & 0x1); |
| u32 mss = (mss_and_is_end >> 1); |
| u32 vlan_tag = 0; |
| |
| if (is_end) |
| flags |= TXD_FLAG_END; |
| if (flags & TXD_FLAG_VLAN) { |
| vlan_tag = flags >> 16; |
| flags &= 0xffff; |
| } |
| vlan_tag |= (mss << TXD_MSS_SHIFT); |
| |
| txd->addr_hi = ((u64) mapping >> 32); |
| txd->addr_lo = ((u64) mapping & 0xffffffff); |
| txd->len_flags = (len << TXD_LEN_SHIFT) | flags; |
| txd->vlan_tag = vlan_tag << TXD_VLAN_TAG_SHIFT; |
| } |
| |
| static void tg3_skb_error_unmap(struct tg3_napi *tnapi, |
| struct sk_buff *skb, int last) |
| { |
| int i; |
| u32 entry = tnapi->tx_prod; |
| struct ring_info *txb = &tnapi->tx_buffers[entry]; |
| |
| pci_unmap_single(tnapi->tp->pdev, |
| dma_unmap_addr(txb, mapping), |
| skb_headlen(skb), |
| PCI_DMA_TODEVICE); |
| for (i = 0; i <= last; i++) { |
| skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; |
| |
| entry = NEXT_TX(entry); |
| txb = &tnapi->tx_buffers[entry]; |
| |
| pci_unmap_page(tnapi->tp->pdev, |
| dma_unmap_addr(txb, mapping), |
| frag->size, PCI_DMA_TODEVICE); |
| } |
| } |
| |
| /* Workaround 4GB and 40-bit hardware DMA bugs. */ |
| static int tigon3_dma_hwbug_workaround(struct tg3_napi *tnapi, |
| struct sk_buff *skb, |
| u32 base_flags, u32 mss) |
| { |
| struct tg3 *tp = tnapi->tp; |
| struct sk_buff *new_skb; |
| dma_addr_t new_addr = 0; |
| u32 entry = tnapi->tx_prod; |
| int ret = 0; |
| |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) |
| new_skb = skb_copy(skb, GFP_ATOMIC); |
| else { |
| int more_headroom = 4 - ((unsigned long)skb->data & 3); |
| |
| new_skb = skb_copy_expand(skb, |
| skb_headroom(skb) + more_headroom, |
| skb_tailroom(skb), GFP_ATOMIC); |
| } |
| |
| if (!new_skb) { |
| ret = -1; |
| } else { |
| /* New SKB is guaranteed to be linear. */ |
| new_addr = pci_map_single(tp->pdev, new_skb->data, new_skb->len, |
| PCI_DMA_TODEVICE); |
| /* Make sure the mapping succeeded */ |
| if (pci_dma_mapping_error(tp->pdev, new_addr)) { |
| ret = -1; |
| dev_kfree_skb(new_skb); |
| |
| /* Make sure new skb does not cross any 4G boundaries. |
| * Drop the packet if it does. |
| */ |
| } else if (tg3_flag(tp, 4G_DMA_BNDRY_BUG) && |
| tg3_4g_overflow_test(new_addr, new_skb->len)) { |
| pci_unmap_single(tp->pdev, new_addr, new_skb->len, |
| PCI_DMA_TODEVICE); |
| ret = -1; |
| dev_kfree_skb(new_skb); |
| } else { |
| tnapi->tx_buffers[entry].skb = new_skb; |
| dma_unmap_addr_set(&tnapi->tx_buffers[entry], |
| mapping, new_addr); |
| |
| tg3_set_txd(tnapi, entry, new_addr, new_skb->len, |
| base_flags, 1 | (mss << 1)); |
| } |
| } |
| |
| dev_kfree_skb(skb); |
| |
| return ret; |
| } |
| |
| static netdev_tx_t tg3_start_xmit(struct sk_buff *, struct net_device *); |
| |
| /* Use GSO to workaround a rare TSO bug that may be triggered when the |
| * TSO header is greater than 80 bytes. |
| */ |
| static int tg3_tso_bug(struct tg3 *tp, struct sk_buff *skb) |
| { |
| struct sk_buff *segs, *nskb; |
| u32 frag_cnt_est = skb_shinfo(skb)->gso_segs * 3; |
| |
| /* Estimate the number of fragments in the worst case */ |
| if (unlikely(tg3_tx_avail(&tp->napi[0]) <= frag_cnt_est)) { |
| netif_stop_queue(tp->dev); |
| |
| /* netif_tx_stop_queue() must be done before checking |
| * checking tx index in tg3_tx_avail() below, because in |
| * tg3_tx(), we update tx index before checking for |
| * netif_tx_queue_stopped(). |
| */ |
| smp_mb(); |
| if (tg3_tx_avail(&tp->napi[0]) <= frag_cnt_est) |
| return NETDEV_TX_BUSY; |
| |
| netif_wake_queue(tp->dev); |
| } |
| |
| segs = skb_gso_segment(skb, tp->dev->features & ~NETIF_F_TSO); |
| if (IS_ERR(segs)) |
| goto tg3_tso_bug_end; |
| |
| do { |
| nskb = segs; |
| segs = segs->next; |
| nskb->next = NULL; |
| tg3_start_xmit(nskb, tp->dev); |
| } while (segs); |
| |
| tg3_tso_bug_end: |
| dev_kfree_skb(skb); |
| |
| return NETDEV_TX_OK; |
| } |
| |
| /* hard_start_xmit for devices that have the 4G bug and/or 40-bit bug and |
| * support TG3_FLAG_HW_TSO_1 or firmware TSO only. |
| */ |
| static netdev_tx_t tg3_start_xmit(struct sk_buff *skb, struct net_device *dev) |
| { |
| struct tg3 *tp = netdev_priv(dev); |
| u32 len, entry, base_flags, mss; |
| int i = -1, would_hit_hwbug; |
| dma_addr_t mapping; |
| struct tg3_napi *tnapi; |
| struct netdev_queue *txq; |
| unsigned int last; |
| |
| txq = netdev_get_tx_queue(dev, skb_get_queue_mapping(skb)); |
| tnapi = &tp->napi[skb_get_queue_mapping(skb)]; |
| if (tg3_flag(tp, ENABLE_TSS)) |
| tnapi++; |
| |
| /* We are running in BH disabled context with netif_tx_lock |
| * and TX reclaim runs via tp->napi.poll inside of a software |
| * interrupt. Furthermore, IRQ processing runs lockless so we have |
| * no IRQ context deadlocks to worry about either. Rejoice! |
| */ |
| if (unlikely(tg3_tx_avail(tnapi) <= (skb_shinfo(skb)->nr_frags + 1))) { |
| if (!netif_tx_queue_stopped(txq)) { |
| netif_tx_stop_queue(txq); |
| |
| /* This is a hard error, log it. */ |
| netdev_err(dev, |
| "BUG! Tx Ring full when queue awake!\n"); |
| } |
| return NETDEV_TX_BUSY; |
| } |
| |
| entry = tnapi->tx_prod; |
| base_flags = 0; |
| if (skb->ip_summed == CHECKSUM_PARTIAL) |
| base_flags |= TXD_FLAG_TCPUDP_CSUM; |
| |
| mss = skb_shinfo(skb)->gso_size; |
| if (mss) { |
| struct iphdr *iph; |
| u32 tcp_opt_len, hdr_len; |
| |
| if (skb_header_cloned(skb) && |
| pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) { |
| dev_kfree_skb(skb); |
| goto out_unlock; |
| } |
| |
| iph = ip_hdr(skb); |
| tcp_opt_len = tcp_optlen(skb); |
| |
| if (skb_is_gso_v6(skb)) { |
| hdr_len = skb_headlen(skb) - ETH_HLEN; |
| } else { |
| u32 ip_tcp_len; |
| |
| ip_tcp_len = ip_hdrlen(skb) + sizeof(struct tcphdr); |
| hdr_len = ip_tcp_len + tcp_opt_len; |
| |
| iph->check = 0; |
| iph->tot_len = htons(mss + hdr_len); |
| } |
| |
| if (unlikely((ETH_HLEN + hdr_len) > 80) && |
| tg3_flag(tp, TSO_BUG)) |
| return tg3_tso_bug(tp, skb); |
| |
| base_flags |= (TXD_FLAG_CPU_PRE_DMA | |
| TXD_FLAG_CPU_POST_DMA); |
| |
| if (tg3_flag(tp, HW_TSO_1) || |
| tg3_flag(tp, HW_TSO_2) || |
| tg3_flag(tp, HW_TSO_3)) { |
| tcp_hdr(skb)->check = 0; |
| base_flags &= ~TXD_FLAG_TCPUDP_CSUM; |
| } else |
| tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr, |
| iph->daddr, 0, |
| IPPROTO_TCP, |
| 0); |
| |
| if (tg3_flag(tp, HW_TSO_3)) { |
| mss |= (hdr_len & 0xc) << 12; |
| if (hdr_len & 0x10) |
| base_flags |= 0x00000010; |
| base_flags |= (hdr_len & 0x3e0) << 5; |
| } else if (tg3_flag(tp, HW_TSO_2)) |
| mss |= hdr_len << 9; |
| else if (tg3_flag(tp, HW_TSO_1) || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) { |
| if (tcp_opt_len || iph->ihl > 5) { |
| int tsflags; |
| |
| tsflags = (iph->ihl - 5) + (tcp_opt_len >> 2); |
| mss |= (tsflags << 11); |
| } |
| } else { |
| if (tcp_opt_len || iph->ihl > 5) { |
| int tsflags; |
| |
| tsflags = (iph->ihl - 5) + (tcp_opt_len >> 2); |
| base_flags |= tsflags << 12; |
| } |
| } |
| } |
| |
| if (vlan_tx_tag_present(skb)) |
| base_flags |= (TXD_FLAG_VLAN | |
| (vlan_tx_tag_get(skb) << 16)); |
| |
| if (tg3_flag(tp, USE_JUMBO_BDFLAG) && |
| !mss && skb->len > VLAN_ETH_FRAME_LEN) |
| base_flags |= TXD_FLAG_JMB_PKT; |
| |
| len = skb_headlen(skb); |
| |
| mapping = pci_map_single(tp->pdev, skb->data, len, PCI_DMA_TODEVICE); |
| if (pci_dma_mapping_error(tp->pdev, mapping)) { |
| dev_kfree_skb(skb); |
| goto out_unlock; |
| } |
| |
| tnapi->tx_buffers[entry].skb = skb; |
| dma_unmap_addr_set(&tnapi->tx_buffers[entry], mapping, mapping); |
| |
| would_hit_hwbug = 0; |
| |
| if (tg3_flag(tp, SHORT_DMA_BUG) && len <= 8) |
| would_hit_hwbug = 1; |
| |
| if (tg3_flag(tp, 4G_DMA_BNDRY_BUG) && |
| tg3_4g_overflow_test(mapping, len)) |
| would_hit_hwbug = 1; |
| |
| if (tg3_flag(tp, 40BIT_DMA_LIMIT_BUG) && |
| tg3_40bit_overflow_test(tp, mapping, len)) |
| would_hit_hwbug = 1; |
| |
| if (tg3_flag(tp, 5701_DMA_BUG)) |
| would_hit_hwbug = 1; |
| |
| tg3_set_txd(tnapi, entry, mapping, len, base_flags, |
| (skb_shinfo(skb)->nr_frags == 0) | (mss << 1)); |
| |
| entry = NEXT_TX(entry); |
| |
| /* Now loop through additional data fragments, and queue them. */ |
| if (skb_shinfo(skb)->nr_frags > 0) { |
| last = skb_shinfo(skb)->nr_frags - 1; |
| for (i = 0; i <= last; i++) { |
| skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; |
| |
| len = frag->size; |
| mapping = pci_map_page(tp->pdev, |
| frag->page, |
| frag->page_offset, |
| len, PCI_DMA_TODEVICE); |
| |
| tnapi->tx_buffers[entry].skb = NULL; |
| dma_unmap_addr_set(&tnapi->tx_buffers[entry], mapping, |
| mapping); |
| if (pci_dma_mapping_error(tp->pdev, mapping)) |
| goto dma_error; |
| |
| if (tg3_flag(tp, SHORT_DMA_BUG) && |
| len <= 8) |
| would_hit_hwbug = 1; |
| |
| if (tg3_flag(tp, 4G_DMA_BNDRY_BUG) && |
| tg3_4g_overflow_test(mapping, len)) |
| would_hit_hwbug = 1; |
| |
| if (tg3_flag(tp, 40BIT_DMA_LIMIT_BUG) && |
| tg3_40bit_overflow_test(tp, mapping, len)) |
| would_hit_hwbug = 1; |
| |
| if (tg3_flag(tp, HW_TSO_1) || |
| tg3_flag(tp, HW_TSO_2) || |
| tg3_flag(tp, HW_TSO_3)) |
| tg3_set_txd(tnapi, entry, mapping, len, |
| base_flags, (i == last)|(mss << 1)); |
| else |
| tg3_set_txd(tnapi, entry, mapping, len, |
| base_flags, (i == last)); |
| |
| entry = NEXT_TX(entry); |
| } |
| } |
| |
| if (would_hit_hwbug) { |
| tg3_skb_error_unmap(tnapi, skb, i); |
| |
| /* If the workaround fails due to memory/mapping |
| * failure, silently drop this packet. |
| */ |
| if (tigon3_dma_hwbug_workaround(tnapi, skb, base_flags, mss)) |
| goto out_unlock; |
| |
| entry = NEXT_TX(tnapi->tx_prod); |
| } |
| |
| /* Packets are ready, update Tx producer idx local and on card. */ |
| tw32_tx_mbox(tnapi->prodmbox, entry); |
| |
| tnapi->tx_prod = entry; |
| if (unlikely(tg3_tx_avail(tnapi) <= (MAX_SKB_FRAGS + 1))) { |
| netif_tx_stop_queue(txq); |
| |
| /* netif_tx_stop_queue() must be done before checking |
| * checking tx index in tg3_tx_avail() below, because in |
| * tg3_tx(), we update tx index before checking for |
| * netif_tx_queue_stopped(). |
| */ |
| smp_mb(); |
| if (tg3_tx_avail(tnapi) > TG3_TX_WAKEUP_THRESH(tnapi)) |
| netif_tx_wake_queue(txq); |
| } |
| |
| out_unlock: |
| mmiowb(); |
| |
| return NETDEV_TX_OK; |
| |
| dma_error: |
| tg3_skb_error_unmap(tnapi, skb, i); |
| dev_kfree_skb(skb); |
| tnapi->tx_buffers[tnapi->tx_prod].skb = NULL; |
| return NETDEV_TX_OK; |
| } |
| |
| static void tg3_set_loopback(struct net_device *dev, u32 features) |
| { |
| struct tg3 *tp = netdev_priv(dev); |
| |
| if (features & NETIF_F_LOOPBACK) { |
| if (tp->mac_mode & MAC_MODE_PORT_INT_LPBACK) |
| return; |
| |
| /* |
| * Clear MAC_MODE_HALF_DUPLEX or you won't get packets back in |
| * loopback mode if Half-Duplex mode was negotiated earlier. |
| */ |
| tp->mac_mode &= ~MAC_MODE_HALF_DUPLEX; |
| |
| /* Enable internal MAC loopback mode */ |
| tp->mac_mode |= MAC_MODE_PORT_INT_LPBACK; |
| spin_lock_bh(&tp->lock); |
| tw32(MAC_MODE, tp->mac_mode); |
| netif_carrier_on(tp->dev); |
| spin_unlock_bh(&tp->lock); |
| netdev_info(dev, "Internal MAC loopback mode enabled.\n"); |
| } else { |
| if (!(tp->mac_mode & MAC_MODE_PORT_INT_LPBACK)) |
| return; |
| |
| /* Disable internal MAC loopback mode */ |
| tp->mac_mode &= ~MAC_MODE_PORT_INT_LPBACK; |
| spin_lock_bh(&tp->lock); |
| tw32(MAC_MODE, tp->mac_mode); |
| /* Force link status check */ |
| tg3_setup_phy(tp, 1); |
| spin_unlock_bh(&tp->lock); |
| netdev_info(dev, "Internal MAC loopback mode disabled.\n"); |
| } |
| } |
| |
| static u32 tg3_fix_features(struct net_device *dev, u32 features) |
| { |
| struct tg3 *tp = netdev_priv(dev); |
| |
| if (dev->mtu > ETH_DATA_LEN && tg3_flag(tp, 5780_CLASS)) |
| features &= ~NETIF_F_ALL_TSO; |
| |
| return features; |
| } |
| |
| static int tg3_set_features(struct net_device *dev, u32 features) |
| { |
| u32 changed = dev->features ^ features; |
| |
| if ((changed & NETIF_F_LOOPBACK) && netif_running(dev)) |
| tg3_set_loopback(dev, features); |
| |
| return 0; |
| } |
| |
| static inline void tg3_set_mtu(struct net_device *dev, struct tg3 *tp, |
| int new_mtu) |
| { |
| dev->mtu = new_mtu; |
| |
| if (new_mtu > ETH_DATA_LEN) { |
| if (tg3_flag(tp, 5780_CLASS)) { |
| netdev_update_features(dev); |
| tg3_flag_clear(tp, TSO_CAPABLE); |
| } else { |
| tg3_flag_set(tp, JUMBO_RING_ENABLE); |
| } |
| } else { |
| if (tg3_flag(tp, 5780_CLASS)) { |
| tg3_flag_set(tp, TSO_CAPABLE); |
| netdev_update_features(dev); |
| } |
| tg3_flag_clear(tp, JUMBO_RING_ENABLE); |
| } |
| } |
| |
| static int tg3_change_mtu(struct net_device *dev, int new_mtu) |
| { |
| struct tg3 *tp = netdev_priv(dev); |
| int err; |
| |
| if (new_mtu < TG3_MIN_MTU || new_mtu > TG3_MAX_MTU(tp)) |
| return -EINVAL; |
| |
| if (!netif_running(dev)) { |
| /* We'll just catch it later when the |
| * device is up'd. |
| */ |
| tg3_set_mtu(dev, tp, new_mtu); |
| return 0; |
| } |
| |
| tg3_phy_stop(tp); |
| |
| tg3_netif_stop(tp); |
| |
| tg3_full_lock(tp, 1); |
| |
| tg3_halt(tp, RESET_KIND_SHUTDOWN, 1); |
| |
| tg3_set_mtu(dev, tp, new_mtu); |
| |
| err = tg3_restart_hw(tp, 0); |
| |
| if (!err) |
| tg3_netif_start(tp); |
| |
| tg3_full_unlock(tp); |
| |
| if (!err) |
| tg3_phy_start(tp); |
| |
| return err; |
| } |
| |
| static void tg3_rx_prodring_free(struct tg3 *tp, |
| struct tg3_rx_prodring_set *tpr) |
| { |
| int i; |
| |
| if (tpr != &tp->napi[0].prodring) { |
| for (i = tpr->rx_std_cons_idx; i != tpr->rx_std_prod_idx; |
| i = (i + 1) & tp->rx_std_ring_mask) |
| tg3_rx_skb_free(tp, &tpr->rx_std_buffers[i], |
| tp->rx_pkt_map_sz); |
| |
| if (tg3_flag(tp, JUMBO_CAPABLE)) { |
| for (i = tpr->rx_jmb_cons_idx; |
| i != tpr->rx_jmb_prod_idx; |
| i = (i + 1) & tp->rx_jmb_ring_mask) { |
| tg3_rx_skb_free(tp, &tpr->rx_jmb_buffers[i], |
| TG3_RX_JMB_MAP_SZ); |
| } |
| } |
| |
| return; |
| } |
| |
| for (i = 0; i <= tp->rx_std_ring_mask; i++) |
| tg3_rx_skb_free(tp, &tpr->rx_std_buffers[i], |
| tp->rx_pkt_map_sz); |
| |
| if (tg3_flag(tp, JUMBO_CAPABLE) && !tg3_flag(tp, 5780_CLASS)) { |
| for (i = 0; i <= tp->rx_jmb_ring_mask; i++) |
| tg3_rx_skb_free(tp, &tpr->rx_jmb_buffers[i], |
| TG3_RX_JMB_MAP_SZ); |
| } |
| } |
| |
| /* Initialize rx rings for packet processing. |
| * |
| * The chip has been shut down and the driver detached from |
| * the networking, so no interrupts or new tx packets will |
| * end up in the driver. tp->{tx,}lock are held and thus |
| * we may not sleep. |
| */ |
| static int tg3_rx_prodring_alloc(struct tg3 *tp, |
| struct tg3_rx_prodring_set *tpr) |
| { |
| u32 i, rx_pkt_dma_sz; |
| |
| tpr->rx_std_cons_idx = 0; |
| tpr->rx_std_prod_idx = 0; |
| tpr->rx_jmb_cons_idx = 0; |
| tpr->rx_jmb_prod_idx = 0; |
| |
| if (tpr != &tp->napi[0].prodring) { |
| memset(&tpr->rx_std_buffers[0], 0, |
| TG3_RX_STD_BUFF_RING_SIZE(tp)); |
| if (tpr->rx_jmb_buffers) |
| memset(&tpr->rx_jmb_buffers[0], 0, |
| TG3_RX_JMB_BUFF_RING_SIZE(tp)); |
| goto done; |
| } |
| |
| /* Zero out all descriptors. */ |
| memset(tpr->rx_std, 0, TG3_RX_STD_RING_BYTES(tp)); |
| |
| rx_pkt_dma_sz = TG3_RX_STD_DMA_SZ; |
| if (tg3_flag(tp, 5780_CLASS) && |
| tp->dev->mtu > ETH_DATA_LEN) |
| rx_pkt_dma_sz = TG3_RX_JMB_DMA_SZ; |
| tp->rx_pkt_map_sz = TG3_RX_DMA_TO_MAP_SZ(rx_pkt_dma_sz); |
| |
| /* Initialize invariants of the rings, we only set this |
| * stuff once. This works because the card does not |
| * write into the rx buffer posting rings. |
| */ |
| for (i = 0; i <= tp->rx_std_ring_mask; i++) { |
| struct tg3_rx_buffer_desc *rxd; |
| |
| rxd = &tpr->rx_std[i]; |
| rxd->idx_len = rx_pkt_dma_sz << RXD_LEN_SHIFT; |
| rxd->type_flags = (RXD_FLAG_END << RXD_FLAGS_SHIFT); |
| rxd->opaque = (RXD_OPAQUE_RING_STD | |
| (i << RXD_OPAQUE_INDEX_SHIFT)); |
| } |
| |
| /* Now allocate fresh SKBs for each rx ring. */ |
| for (i = 0; i < tp->rx_pending; i++) { |
| if (tg3_alloc_rx_skb(tp, tpr, RXD_OPAQUE_RING_STD, i) < 0) { |
| netdev_warn(tp->dev, |
| "Using a smaller RX standard ring. Only " |
| "%d out of %d buffers were allocated " |
| "successfully\n", i, tp->rx_pending); |
| if (i == 0) |
| goto initfail; |
| tp->rx_pending = i; |
| break; |
| } |
| } |
| |
| if (!tg3_flag(tp, JUMBO_CAPABLE) || tg3_flag(tp, 5780_CLASS)) |
| goto done; |
| |
| memset(tpr->rx_jmb, 0, TG3_RX_JMB_RING_BYTES(tp)); |
| |
| if (!tg3_flag(tp, JUMBO_RING_ENABLE)) |
| goto done; |
| |
| for (i = 0; i <= tp->rx_jmb_ring_mask; i++) { |
| struct tg3_rx_buffer_desc *rxd; |
| |
| rxd = &tpr->rx_jmb[i].std; |
| rxd->idx_len = TG3_RX_JMB_DMA_SZ << RXD_LEN_SHIFT; |
| rxd->type_flags = (RXD_FLAG_END << RXD_FLAGS_SHIFT) | |
| RXD_FLAG_JUMBO; |
| rxd->opaque = (RXD_OPAQUE_RING_JUMBO | |
| (i << RXD_OPAQUE_INDEX_SHIFT)); |
| } |
| |
| for (i = 0; i < tp->rx_jumbo_pending; i++) { |
| if (tg3_alloc_rx_skb(tp, tpr, RXD_OPAQUE_RING_JUMBO, i) < 0) { |
| netdev_warn(tp->dev, |
| "Using a smaller RX jumbo ring. Only %d " |
| "out of %d buffers were allocated " |
| "successfully\n", i, tp->rx_jumbo_pending); |
| if (i == 0) |
| goto initfail; |
| tp->rx_jumbo_pending = i; |
| break; |
| } |
| } |
| |
| done: |
| return 0; |
| |
| initfail: |
| tg3_rx_prodring_free(tp, tpr); |
| return -ENOMEM; |
| } |
| |
| static void tg3_rx_prodring_fini(struct tg3 *tp, |
| struct tg3_rx_prodring_set *tpr) |
| { |
| kfree(tpr->rx_std_buffers); |
| tpr->rx_std_buffers = NULL; |
| kfree(tpr->rx_jmb_buffers); |
| tpr->rx_jmb_buffers = NULL; |
| if (tpr->rx_std) { |
| dma_free_coherent(&tp->pdev->dev, TG3_RX_STD_RING_BYTES(tp), |
| tpr->rx_std, tpr->rx_std_mapping); |
| tpr->rx_std = NULL; |
| } |
| if (tpr->rx_jmb) { |
| dma_free_coherent(&tp->pdev->dev, TG3_RX_JMB_RING_BYTES(tp), |
| tpr->rx_jmb, tpr->rx_jmb_mapping); |
| tpr->rx_jmb = NULL; |
| } |
| } |
| |
| static int tg3_rx_prodring_init(struct tg3 *tp, |
| struct tg3_rx_prodring_set *tpr) |
| { |
| tpr->rx_std_buffers = kzalloc(TG3_RX_STD_BUFF_RING_SIZE(tp), |
| GFP_KERNEL); |
| if (!tpr->rx_std_buffers) |
| return -ENOMEM; |
| |
| tpr->rx_std = dma_alloc_coherent(&tp->pdev->dev, |
| TG3_RX_STD_RING_BYTES(tp), |
| &tpr->rx_std_mapping, |
| GFP_KERNEL); |
| if (!tpr->rx_std) |
| goto err_out; |
| |
| if (tg3_flag(tp, JUMBO_CAPABLE) && !tg3_flag(tp, 5780_CLASS)) { |
| tpr->rx_jmb_buffers = kzalloc(TG3_RX_JMB_BUFF_RING_SIZE(tp), |
| GFP_KERNEL); |
| if (!tpr->rx_jmb_buffers) |
| goto err_out; |
| |
| tpr->rx_jmb = dma_alloc_coherent(&tp->pdev->dev, |
| TG3_RX_JMB_RING_BYTES(tp), |
| &tpr->rx_jmb_mapping, |
| GFP_KERNEL); |
| if (!tpr->rx_jmb) |
| goto err_out; |
| } |
| |
| return 0; |
| |
| err_out: |
| tg3_rx_prodring_fini(tp, tpr); |
| return -ENOMEM; |
| } |
| |
| /* Free up pending packets in all rx/tx rings. |
| * |
| * The chip has been shut down and the driver detached from |
| * the networking, so no interrupts or new tx packets will |
| * end up in the driver. tp->{tx,}lock is not held and we are not |
| * in an interrupt context and thus may sleep. |
| */ |
| static void tg3_free_rings(struct tg3 *tp) |
| { |
| int i, j; |
| |
| for (j = 0; j < tp->irq_cnt; j++) { |
| struct tg3_napi *tnapi = &tp->napi[j]; |
| |
| tg3_rx_prodring_free(tp, &tnapi->prodring); |
| |
| if (!tnapi->tx_buffers) |
| continue; |
| |
| for (i = 0; i < TG3_TX_RING_SIZE; ) { |
| struct ring_info *txp; |
| struct sk_buff *skb; |
| unsigned int k; |
| |
| txp = &tnapi->tx_buffers[i]; |
| skb = txp->skb; |
| |
| if (skb == NULL) { |
| i++; |
| continue; |
| } |
| |
| pci_unmap_single(tp->pdev, |
| dma_unmap_addr(txp, mapping), |
| skb_headlen(skb), |
| PCI_DMA_TODEVICE); |
| txp->skb = NULL; |
| |
| i++; |
| |
| for (k = 0; k < skb_shinfo(skb)->nr_frags; k++) { |
| txp = &tnapi->tx_buffers[i & (TG3_TX_RING_SIZE - 1)]; |
| pci_unmap_page(tp->pdev, |
| dma_unmap_addr(txp, mapping), |
| skb_shinfo(skb)->frags[k].size, |
| PCI_DMA_TODEVICE); |
| i++; |
| } |
| |
| dev_kfree_skb_any(skb); |
| } |
| } |
| } |
| |
| /* Initialize tx/rx rings for packet processing. |
| * |
| * The chip has been shut down and the driver detached from |
| * the networking, so no interrupts or new tx packets will |
| * end up in the driver. tp->{tx,}lock are held and thus |
| * we may not sleep. |
| */ |
| static int tg3_init_rings(struct tg3 *tp) |
| { |
| int i; |
| |
| /* Free up all the SKBs. */ |
| tg3_free_rings(tp); |
| |
| for (i = 0; i < tp->irq_cnt; i++) { |
| struct tg3_napi *tnapi = &tp->napi[i]; |
| |
| tnapi->last_tag = 0; |
| tnapi->last_irq_tag = 0; |
| tnapi->hw_status->status = 0; |
| tnapi->hw_status->status_tag = 0; |
| memset(tnapi->hw_status, 0, TG3_HW_STATUS_SIZE); |
| |
| tnapi->tx_prod = 0; |
| tnapi->tx_cons = 0; |
| if (tnapi->tx_ring) |
| memset(tnapi->tx_ring, 0, TG3_TX_RING_BYTES); |
| |
| tnapi->rx_rcb_ptr = 0; |
| if (tnapi->rx_rcb) |
| memset(tnapi->rx_rcb, 0, TG3_RX_RCB_RING_BYTES(tp)); |
| |
| if (tg3_rx_prodring_alloc(tp, &tnapi->prodring)) { |
| tg3_free_rings(tp); |
| return -ENOMEM; |
| } |
| } |
| |
| return 0; |
| } |
| |
| /* |
| * Must not be invoked with interrupt sources disabled and |
| * the hardware shutdown down. |
| */ |
| static void tg3_free_consistent(struct tg3 *tp) |
| { |
| int i; |
| |
| for (i = 0; i < tp->irq_cnt; i++) { |
| struct tg3_napi *tnapi = &tp->napi[i]; |
| |
| if (tnapi->tx_ring) { |
| dma_free_coherent(&tp->pdev->dev, TG3_TX_RING_BYTES, |
| tnapi->tx_ring, tnapi->tx_desc_mapping); |
| tnapi->tx_ring = NULL; |
| } |
| |
| kfree(tnapi->tx_buffers); |
| tnapi->tx_buffers = NULL; |
| |
| if (tnapi->rx_rcb) { |
| dma_free_coherent(&tp->pdev->dev, |
| TG3_RX_RCB_RING_BYTES(tp), |
| tnapi->rx_rcb, |
| tnapi->rx_rcb_mapping); |
| tnapi->rx_rcb = NULL; |
| } |
| |
| tg3_rx_prodring_fini(tp, &tnapi->prodring); |
| |
| if (tnapi->hw_status) { |
| dma_free_coherent(&tp->pdev->dev, TG3_HW_STATUS_SIZE, |
| tnapi->hw_status, |
| tnapi->status_mapping); |
| tnapi->hw_status = NULL; |
| } |
| } |
| |
| if (tp->hw_stats) { |
| dma_free_coherent(&tp->pdev->dev, sizeof(struct tg3_hw_stats), |
| tp->hw_stats, tp->stats_mapping); |
| tp->hw_stats = NULL; |
| } |
| } |
| |
| /* |
| * Must not be invoked with interrupt sources disabled and |
| * the hardware shutdown down. Can sleep. |
| */ |
| static int tg3_alloc_consistent(struct tg3 *tp) |
| { |
| int i; |
| |
| tp->hw_stats = dma_alloc_coherent(&tp->pdev->dev, |
| sizeof(struct tg3_hw_stats), |
| &tp->stats_mapping, |
| GFP_KERNEL); |
| if (!tp->hw_stats) |
| goto err_out; |
| |
| memset(tp->hw_stats, 0, sizeof(struct tg3_hw_stats)); |
| |
| for (i = 0; i < tp->irq_cnt; i++) { |
| struct tg3_napi *tnapi = &tp->napi[i]; |
| struct tg3_hw_status *sblk; |
| |
| tnapi->hw_status = dma_alloc_coherent(&tp->pdev->dev, |
| TG3_HW_STATUS_SIZE, |
| &tnapi->status_mapping, |
| GFP_KERNEL); |
| if (!tnapi->hw_status) |
| goto err_out; |
| |
| memset(tnapi->hw_status, 0, TG3_HW_STATUS_SIZE); |
| sblk = tnapi->hw_status; |
| |
| if (tg3_rx_prodring_init(tp, &tnapi->prodring)) |
| goto err_out; |
| |
| /* If multivector TSS is enabled, vector 0 does not handle |
| * tx interrupts. Don't allocate any resources for it. |
| */ |
| if ((!i && !tg3_flag(tp, ENABLE_TSS)) || |
| (i && tg3_flag(tp, ENABLE_TSS))) { |
| tnapi->tx_buffers = kzalloc(sizeof(struct ring_info) * |
| TG3_TX_RING_SIZE, |
| GFP_KERNEL); |
| if (!tnapi->tx_buffers) |
| goto err_out; |
| |
| tnapi->tx_ring = dma_alloc_coherent(&tp->pdev->dev, |
| TG3_TX_RING_BYTES, |
| &tnapi->tx_desc_mapping, |
| GFP_KERNEL); |
| if (!tnapi->tx_ring) |
| goto err_out; |
| } |
| |
| /* |
| * When RSS is enabled, the status block format changes |
| * slightly. The "rx_jumbo_consumer", "reserved", |
| * and "rx_mini_consumer" members get mapped to the |
| * other three rx return ring producer indexes. |
| */ |
| switch (i) { |
| default: |
| tnapi->rx_rcb_prod_idx = &sblk->idx[0].rx_producer; |
| break; |
| case 2: |
| tnapi->rx_rcb_prod_idx = &sblk->rx_jumbo_consumer; |
| break; |
| case 3: |
| tnapi->rx_rcb_prod_idx = &sblk->reserved; |
| break; |
| case 4: |
| tnapi->rx_rcb_prod_idx = &sblk->rx_mini_consumer; |
| break; |
| } |
| |
| /* |
| * If multivector RSS is enabled, vector 0 does not handle |
| * rx or tx interrupts. Don't allocate any resources for it. |
| */ |
| if (!i && tg3_flag(tp, ENABLE_RSS)) |
| continue; |
| |
| tnapi->rx_rcb = dma_alloc_coherent(&tp->pdev->dev, |
| TG3_RX_RCB_RING_BYTES(tp), |
| &tnapi->rx_rcb_mapping, |
| GFP_KERNEL); |
| if (!tnapi->rx_rcb) |
| goto err_out; |
| |
| memset(tnapi->rx_rcb, 0, TG3_RX_RCB_RING_BYTES(tp)); |
| } |
| |
| return 0; |
| |
| err_out: |
| tg3_free_consistent(tp); |
| return -ENOMEM; |
| } |
| |
| #define MAX_WAIT_CNT 1000 |
| |
| /* To stop a block, clear the enable bit and poll till it |
| * clears. tp->lock is held. |
| */ |
| static int tg3_stop_block(struct tg3 *tp, unsigned long ofs, u32 enable_bit, int silent) |
| { |
| unsigned int i; |
| u32 val; |
| |
| if (tg3_flag(tp, 5705_PLUS)) { |
| switch (ofs) { |
| case RCVLSC_MODE: |
| case DMAC_MODE: |
| case MBFREE_MODE: |
| case BUFMGR_MODE: |
| case MEMARB_MODE: |
| /* We can't enable/disable these bits of the |
| * 5705/5750, just say success. |
| */ |
| return 0; |
| |
| default: |
| break; |
| } |
| } |
| |
| val = tr32(ofs); |
| val &= ~enable_bit; |
| tw32_f(ofs, val); |
| |
| for (i = 0; i < MAX_WAIT_CNT; i++) { |
| udelay(100); |
| val = tr32(ofs); |
| if ((val & enable_bit) == 0) |
| break; |
| } |
| |
| if (i == MAX_WAIT_CNT && !silent) { |
| dev_err(&tp->pdev->dev, |
| "tg3_stop_block timed out, ofs=%lx enable_bit=%x\n", |
| ofs, enable_bit); |
| return -ENODEV; |
| } |
| |
| return 0; |
| } |
| |
| /* tp->lock is held. */ |
| static int tg3_abort_hw(struct tg3 *tp, int silent) |
| { |
| int i, err; |
| |
| tg3_disable_ints(tp); |
| |
| tp->rx_mode &= ~RX_MODE_ENABLE; |
| tw32_f(MAC_RX_MODE, tp->rx_mode); |
| udelay(10); |
| |
| err = tg3_stop_block(tp, RCVBDI_MODE, RCVBDI_MODE_ENABLE, silent); |
| err |= tg3_stop_block(tp, RCVLPC_MODE, RCVLPC_MODE_ENABLE, silent); |
| err |= tg3_stop_block(tp, RCVLSC_MODE, RCVLSC_MODE_ENABLE, silent); |
| err |= tg3_stop_block(tp, RCVDBDI_MODE, RCVDBDI_MODE_ENABLE, silent); |
| err |= tg3_stop_block(tp, RCVDCC_MODE, RCVDCC_MODE_ENABLE, silent); |
| err |= tg3_stop_block(tp, RCVCC_MODE, RCVCC_MODE_ENABLE, silent); |
| |
| err |= tg3_stop_block(tp, SNDBDS_MODE, SNDBDS_MODE_ENABLE, silent); |
| err |= tg3_stop_block(tp, SNDBDI_MODE, SNDBDI_MODE_ENABLE, silent); |
| err |= tg3_stop_block(tp, SNDDATAI_MODE, SNDDATAI_MODE_ENABLE, silent); |
| err |= tg3_stop_block(tp, RDMAC_MODE, RDMAC_MODE_ENABLE, silent); |
| err |= tg3_stop_block(tp, SNDDATAC_MODE, SNDDATAC_MODE_ENABLE, silent); |
| err |= tg3_stop_block(tp, DMAC_MODE, DMAC_MODE_ENABLE, silent); |
| err |= tg3_stop_block(tp, SNDBDC_MODE, SNDBDC_MODE_ENABLE, silent); |
| |
| tp->mac_mode &= ~MAC_MODE_TDE_ENABLE; |
| tw32_f(MAC_MODE, tp->mac_mode); |
| udelay(40); |
| |
| tp->tx_mode &= ~TX_MODE_ENABLE; |
| tw32_f(MAC_TX_MODE, tp->tx_mode); |
| |
| for (i = 0; i < MAX_WAIT_CNT; i++) { |
| udelay(100); |
| if (!(tr32(MAC_TX_MODE) & TX_MODE_ENABLE)) |
| break; |
| } |
| if (i >= MAX_WAIT_CNT) { |
| dev_err(&tp->pdev->dev, |
| "%s timed out, TX_MODE_ENABLE will not clear " |
| "MAC_TX_MODE=%08x\n", __func__, tr32(MAC_TX_MODE)); |
| err |= -ENODEV; |
| } |
| |
| err |= tg3_stop_block(tp, HOSTCC_MODE, HOSTCC_MODE_ENABLE, silent); |
| err |= tg3_stop_block(tp, WDMAC_MODE, WDMAC_MODE_ENABLE, silent); |
| err |= tg3_stop_block(tp, MBFREE_MODE, MBFREE_MODE_ENABLE, silent); |
| |
| tw32(FTQ_RESET, 0xffffffff); |
| tw32(FTQ_RESET, 0x00000000); |
| |
| err |= tg3_stop_block(tp, BUFMGR_MODE, BUFMGR_MODE_ENABLE, silent); |
| err |= tg3_stop_block(tp, MEMARB_MODE, MEMARB_MODE_ENABLE, silent); |
| |
| for (i = 0; i < tp->irq_cnt; i++) { |
| struct tg3_napi *tnapi = &tp->napi[i]; |
| if (tnapi->hw_status) |
| memset(tnapi->hw_status, 0, TG3_HW_STATUS_SIZE); |
| } |
| if (tp->hw_stats) |
| memset(tp->hw_stats, 0, sizeof(struct tg3_hw_stats)); |
| |
| return err; |
| } |
| |
| static void tg3_ape_send_event(struct tg3 *tp, u32 event) |
| { |
| int i; |
| u32 apedata; |
| |
| /* NCSI does not support APE events */ |
| if (tg3_flag(tp, APE_HAS_NCSI)) |
| return; |
| |
| apedata = tg3_ape_read32(tp, TG3_APE_SEG_SIG); |
| if (apedata != APE_SEG_SIG_MAGIC) |
| return; |
| |
| apedata = tg3_ape_read32(tp, TG3_APE_FW_STATUS); |
| if (!(apedata & APE_FW_STATUS_READY)) |
| return; |
| |
| /* Wait for up to 1 millisecond for APE to service previous event. */ |
| for (i = 0; i < 10; i++) { |
| if (tg3_ape_lock(tp, TG3_APE_LOCK_MEM)) |
| return; |
| |
| apedata = tg3_ape_read32(tp, TG3_APE_EVENT_STATUS); |
| |
| if (!(apedata & APE_EVENT_STATUS_EVENT_PENDING)) |
| tg3_ape_write32(tp, TG3_APE_EVENT_STATUS, |
| event | APE_EVENT_STATUS_EVENT_PENDING); |
| |
| tg3_ape_unlock(tp, TG3_APE_LOCK_MEM); |
| |
| if (!(apedata & APE_EVENT_STATUS_EVENT_PENDING)) |
| break; |
| |
| udelay(100); |
| } |
| |
| if (!(apedata & APE_EVENT_STATUS_EVENT_PENDING)) |
| tg3_ape_write32(tp, TG3_APE_EVENT, APE_EVENT_1); |
| } |
| |
| static void tg3_ape_driver_state_change(struct tg3 *tp, int kind) |
| { |
| u32 event; |
| u32 apedata; |
| |
| if (!tg3_flag(tp, ENABLE_APE)) |
| return; |
| |
| switch (kind) { |
| case RESET_KIND_INIT: |
| tg3_ape_write32(tp, TG3_APE_HOST_SEG_SIG, |
| APE_HOST_SEG_SIG_MAGIC); |
| tg3_ape_write32(tp, TG3_APE_HOST_SEG_LEN, |
| APE_HOST_SEG_LEN_MAGIC); |
| apedata = tg3_ape_read32(tp, TG3_APE_HOST_INIT_COUNT); |
| tg3_ape_write32(tp, TG3_APE_HOST_INIT_COUNT, ++apedata); |
| tg3_ape_write32(tp, TG3_APE_HOST_DRIVER_ID, |
| APE_HOST_DRIVER_ID_MAGIC(TG3_MAJ_NUM, TG3_MIN_NUM)); |
| tg3_ape_write32(tp, TG3_APE_HOST_BEHAVIOR, |
| APE_HOST_BEHAV_NO_PHYLOCK); |
| tg3_ape_write32(tp, TG3_APE_HOST_DRVR_STATE, |
| TG3_APE_HOST_DRVR_STATE_START); |
| |
| event = APE_EVENT_STATUS_STATE_START; |
| break; |
| case RESET_KIND_SHUTDOWN: |
| /* With the interface we are currently using, |
| * APE does not track driver state. Wiping |
| * out the HOST SEGMENT SIGNATURE forces |
| * the APE to assume OS absent status. |
| */ |
| tg3_ape_write32(tp, TG3_APE_HOST_SEG_SIG, 0x0); |
| |
| if (device_may_wakeup(&tp->pdev->dev) && |
| tg3_flag(tp, WOL_ENABLE)) { |
| tg3_ape_write32(tp, TG3_APE_HOST_WOL_SPEED, |
| TG3_APE_HOST_WOL_SPEED_AUTO); |
| apedata = TG3_APE_HOST_DRVR_STATE_WOL; |
| } else |
| apedata = TG3_APE_HOST_DRVR_STATE_UNLOAD; |
| |
| tg3_ape_write32(tp, TG3_APE_HOST_DRVR_STATE, apedata); |
| |
| event = APE_EVENT_STATUS_STATE_UNLOAD; |
| break; |
| case RESET_KIND_SUSPEND: |
| event = APE_EVENT_STATUS_STATE_SUSPEND; |
| break; |
| default: |
| return; |
| } |
| |
| event |= APE_EVENT_STATUS_DRIVER_EVNT | APE_EVENT_STATUS_STATE_CHNGE; |
| |
| tg3_ape_send_event(tp, event); |
| } |
| |
| /* tp->lock is held. */ |
| static void tg3_write_sig_pre_reset(struct tg3 *tp, int kind) |
| { |
| tg3_write_mem(tp, NIC_SRAM_FIRMWARE_MBOX, |
| NIC_SRAM_FIRMWARE_MBOX_MAGIC1); |
| |
| if (tg3_flag(tp, ASF_NEW_HANDSHAKE)) { |
| switch (kind) { |
| case RESET_KIND_INIT: |
| tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX, |
| DRV_STATE_START); |
| break; |
| |
| case RESET_KIND_SHUTDOWN: |
| tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX, |
| DRV_STATE_UNLOAD); |
| break; |
| |
| case RESET_KIND_SUSPEND: |
| tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX, |
| DRV_STATE_SUSPEND); |
| break; |
| |
| default: |
| break; |
| } |
| } |
| |
| if (kind == RESET_KIND_INIT || |
| kind == RESET_KIND_SUSPEND) |
| tg3_ape_driver_state_change(tp, kind); |
| } |
| |
| /* tp->lock is held. */ |
| static void tg3_write_sig_post_reset(struct tg3 *tp, int kind) |
| { |
| if (tg3_flag(tp, ASF_NEW_HANDSHAKE)) { |
| switch (kind) { |
| case RESET_KIND_INIT: |
| tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX, |
| DRV_STATE_START_DONE); |
| break; |
| |
| case RESET_KIND_SHUTDOWN: |
| tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX, |
| DRV_STATE_UNLOAD_DONE); |
| break; |
| |
| default: |
| break; |
| } |
| } |
| |
| if (kind == RESET_KIND_SHUTDOWN) |
| tg3_ape_driver_state_change(tp, kind); |
| } |
| |
| /* tp->lock is held. */ |
| static void tg3_write_sig_legacy(struct tg3 *tp, int kind) |
| { |
| if (tg3_flag(tp, ENABLE_ASF)) { |
| switch (kind) { |
| case RESET_KIND_INIT: |
| tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX, |
| DRV_STATE_START); |
| break; |
| |
| case RESET_KIND_SHUTDOWN: |
| tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX, |
| DRV_STATE_UNLOAD); |
| break; |
| |
| case RESET_KIND_SUSPEND: |
| tg3_write_mem(tp, NIC_SRAM_FW_DRV_STATE_MBOX, |
| DRV_STATE_SUSPEND); |
| break; |
| |
| default: |
| break; |
| } |
| } |
| } |
| |
| static int tg3_poll_fw(struct tg3 *tp) |
| { |
| int i; |
| u32 val; |
| |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) { |
| /* Wait up to 20ms for init done. */ |
| for (i = 0; i < 200; i++) { |
| if (tr32(VCPU_STATUS) & VCPU_STATUS_INIT_DONE) |
| return 0; |
| udelay(100); |
| } |
| return -ENODEV; |
| } |
| |
| /* Wait for firmware initialization to complete. */ |
| for (i = 0; i < 100000; i++) { |
| tg3_read_mem(tp, NIC_SRAM_FIRMWARE_MBOX, &val); |
| if (val == ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1) |
| break; |
| udelay(10); |
| } |
| |
| /* Chip might not be fitted with firmware. Some Sun onboard |
| * parts are configured like that. So don't signal the timeout |
| * of the above loop as an error, but do report the lack of |
| * running firmware once. |
| */ |
| if (i >= 100000 && !tg3_flag(tp, NO_FWARE_REPORTED)) { |
| tg3_flag_set(tp, NO_FWARE_REPORTED); |
| |
| netdev_info(tp->dev, "No firmware running\n"); |
| } |
| |
| if (tp->pci_chip_rev_id == CHIPREV_ID_57765_A0) { |
| /* The 57765 A0 needs a little more |
| * time to do some important work. |
| */ |
| mdelay(10); |
| } |
| |
| return 0; |
| } |
| |
| /* Save PCI command register before chip reset */ |
| static void tg3_save_pci_state(struct tg3 *tp) |
| { |
| pci_read_config_word(tp->pdev, PCI_COMMAND, &tp->pci_cmd); |
| } |
| |
| /* Restore PCI state after chip reset */ |
| static void tg3_restore_pci_state(struct tg3 *tp) |
| { |
| u32 val; |
| |
| /* Re-enable indirect register accesses. */ |
| pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL, |
| tp->misc_host_ctrl); |
| |
| /* Set MAX PCI retry to zero. */ |
| val = (PCISTATE_ROM_ENABLE | PCISTATE_ROM_RETRY_ENABLE); |
| if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0 && |
| tg3_flag(tp, PCIX_MODE)) |
| val |= PCISTATE_RETRY_SAME_DMA; |
| /* Allow reads and writes to the APE register and memory space. */ |
| if (tg3_flag(tp, ENABLE_APE)) |
| val |= PCISTATE_ALLOW_APE_CTLSPC_WR | |
| PCISTATE_ALLOW_APE_SHMEM_WR | |
| PCISTATE_ALLOW_APE_PSPACE_WR; |
| pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, val); |
| |
| pci_write_config_word(tp->pdev, PCI_COMMAND, tp->pci_cmd); |
| |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5785) { |
| if (tg3_flag(tp, PCI_EXPRESS)) |
| pcie_set_readrq(tp->pdev, tp->pcie_readrq); |
| else { |
| pci_write_config_byte(tp->pdev, PCI_CACHE_LINE_SIZE, |
| tp->pci_cacheline_sz); |
| pci_write_config_byte(tp->pdev, PCI_LATENCY_TIMER, |
| tp->pci_lat_timer); |
| } |
| } |
| |
| /* Make sure PCI-X relaxed ordering bit is clear. */ |
| if (tg3_flag(tp, PCIX_MODE)) { |
| u16 pcix_cmd; |
| |
| pci_read_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD, |
| &pcix_cmd); |
| pcix_cmd &= ~PCI_X_CMD_ERO; |
| pci_write_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD, |
| pcix_cmd); |
| } |
| |
| if (tg3_flag(tp, 5780_CLASS)) { |
| |
| /* Chip reset on 5780 will reset MSI enable bit, |
| * so need to restore it. |
| */ |
| if (tg3_flag(tp, USING_MSI)) { |
| u16 ctrl; |
| |
| pci_read_config_word(tp->pdev, |
| tp->msi_cap + PCI_MSI_FLAGS, |
| &ctrl); |
| pci_write_config_word(tp->pdev, |
| tp->msi_cap + PCI_MSI_FLAGS, |
| ctrl | PCI_MSI_FLAGS_ENABLE); |
| val = tr32(MSGINT_MODE); |
| tw32(MSGINT_MODE, val | MSGINT_MODE_ENABLE); |
| } |
| } |
| } |
| |
| static void tg3_stop_fw(struct tg3 *); |
| |
| /* tp->lock is held. */ |
| static int tg3_chip_reset(struct tg3 *tp) |
| { |
| u32 val; |
| void (*write_op)(struct tg3 *, u32, u32); |
| int i, err; |
| |
| tg3_nvram_lock(tp); |
| |
| tg3_ape_lock(tp, TG3_APE_LOCK_GRC); |
| |
| /* No matching tg3_nvram_unlock() after this because |
| * chip reset below will undo the nvram lock. |
| */ |
| tp->nvram_lock_cnt = 0; |
| |
| /* GRC_MISC_CFG core clock reset will clear the memory |
| * enable bit in PCI register 4 and the MSI enable bit |
| * on some chips, so we save relevant registers here. |
| */ |
| tg3_save_pci_state(tp); |
| |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 || |
| tg3_flag(tp, 5755_PLUS)) |
| tw32(GRC_FASTBOOT_PC, 0); |
| |
| /* |
| * We must avoid the readl() that normally takes place. |
| * It locks machines, causes machine checks, and other |
| * fun things. So, temporarily disable the 5701 |
| * hardware workaround, while we do the reset. |
| */ |
| write_op = tp->write32; |
| if (write_op == tg3_write_flush_reg32) |
| tp->write32 = tg3_write32; |
| |
| /* Prevent the irq handler from reading or writing PCI registers |
| * during chip reset when the memory enable bit in the PCI command |
| * register may be cleared. The chip does not generate interrupt |
| * at this time, but the irq handler may still be called due to irq |
| * sharing or irqpoll. |
| */ |
| tg3_flag_set(tp, CHIP_RESETTING); |
| for (i = 0; i < tp->irq_cnt; i++) { |
| struct tg3_napi *tnapi = &tp->napi[i]; |
| if (tnapi->hw_status) { |
| tnapi->hw_status->status = 0; |
| tnapi->hw_status->status_tag = 0; |
| } |
| tnapi->last_tag = 0; |
| tnapi->last_irq_tag = 0; |
| } |
| smp_mb(); |
| |
| for (i = 0; i < tp->irq_cnt; i++) |
| synchronize_irq(tp->napi[i].irq_vec); |
| |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780) { |
| val = tr32(TG3_PCIE_LNKCTL) & ~TG3_PCIE_LNKCTL_L1_PLL_PD_EN; |
| tw32(TG3_PCIE_LNKCTL, val | TG3_PCIE_LNKCTL_L1_PLL_PD_DIS); |
| } |
| |
| /* do the reset */ |
| val = GRC_MISC_CFG_CORECLK_RESET; |
| |
| if (tg3_flag(tp, PCI_EXPRESS)) { |
| /* Force PCIe 1.0a mode */ |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5785 && |
| !tg3_flag(tp, 57765_PLUS) && |
| tr32(TG3_PCIE_PHY_TSTCTL) == |
| (TG3_PCIE_PHY_TSTCTL_PCIE10 | TG3_PCIE_PHY_TSTCTL_PSCRAM)) |
| tw32(TG3_PCIE_PHY_TSTCTL, TG3_PCIE_PHY_TSTCTL_PSCRAM); |
| |
| if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0) { |
| tw32(GRC_MISC_CFG, (1 << 29)); |
| val |= (1 << 29); |
| } |
| } |
| |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) { |
| tw32(VCPU_STATUS, tr32(VCPU_STATUS) | VCPU_STATUS_DRV_RESET); |
| tw32(GRC_VCPU_EXT_CTRL, |
| tr32(GRC_VCPU_EXT_CTRL) & ~GRC_VCPU_EXT_CTRL_HALT_CPU); |
| } |
| |
| /* Manage gphy power for all CPMU absent PCIe devices. */ |
| if (tg3_flag(tp, 5705_PLUS) && !tg3_flag(tp, CPMU_PRESENT)) |
| val |= GRC_MISC_CFG_KEEP_GPHY_POWER; |
| |
| tw32(GRC_MISC_CFG, val); |
| |
| /* restore 5701 hardware bug workaround write method */ |
| tp->write32 = write_op; |
| |
| /* Unfortunately, we have to delay before the PCI read back. |
| * Some 575X chips even will not respond to a PCI cfg access |
| * when the reset command is given to the chip. |
| * |
| * How do these hardware designers expect things to work |
| * properly if the PCI write is posted for a long period |
| * of time? It is always necessary to have some method by |
| * which a register read back can occur to push the write |
| * out which does the reset. |
| * |
| * For most tg3 variants the trick below was working. |
| * Ho hum... |
| */ |
| udelay(120); |
| |
| /* Flush PCI posted writes. The normal MMIO registers |
| * are inaccessible at this time so this is the only |
| * way to make this reliably (actually, this is no longer |
| * the case, see above). I tried to use indirect |
| * register read/write but this upset some 5701 variants. |
| */ |
| pci_read_config_dword(tp->pdev, PCI_COMMAND, &val); |
| |
| udelay(120); |
| |
| if (tg3_flag(tp, PCI_EXPRESS) && tp->pcie_cap) { |
| u16 val16; |
| |
| if (tp->pci_chip_rev_id == CHIPREV_ID_5750_A0) { |
| int i; |
| u32 cfg_val; |
| |
| /* Wait for link training to complete. */ |
| for (i = 0; i < 5000; i++) |
| udelay(100); |
| |
| pci_read_config_dword(tp->pdev, 0xc4, &cfg_val); |
| pci_write_config_dword(tp->pdev, 0xc4, |
| cfg_val | (1 << 15)); |
| } |
| |
| /* Clear the "no snoop" and "relaxed ordering" bits. */ |
| pci_read_config_word(tp->pdev, |
| tp->pcie_cap + PCI_EXP_DEVCTL, |
| &val16); |
| val16 &= ~(PCI_EXP_DEVCTL_RELAX_EN | |
| PCI_EXP_DEVCTL_NOSNOOP_EN); |
| /* |
| * Older PCIe devices only support the 128 byte |
| * MPS setting. Enforce the restriction. |
| */ |
| if (!tg3_flag(tp, CPMU_PRESENT)) |
| val16 &= ~PCI_EXP_DEVCTL_PAYLOAD; |
| pci_write_config_word(tp->pdev, |
| tp->pcie_cap + PCI_EXP_DEVCTL, |
| val16); |
| |
| pcie_set_readrq(tp->pdev, tp->pcie_readrq); |
| |
| /* Clear error status */ |
| pci_write_config_word(tp->pdev, |
| tp->pcie_cap + PCI_EXP_DEVSTA, |
| PCI_EXP_DEVSTA_CED | |
| PCI_EXP_DEVSTA_NFED | |
| PCI_EXP_DEVSTA_FED | |
| PCI_EXP_DEVSTA_URD); |
| } |
| |
| tg3_restore_pci_state(tp); |
| |
| tg3_flag_clear(tp, CHIP_RESETTING); |
| tg3_flag_clear(tp, ERROR_PROCESSED); |
| |
| val = 0; |
| if (tg3_flag(tp, 5780_CLASS)) |
| val = tr32(MEMARB_MODE); |
| tw32(MEMARB_MODE, val | MEMARB_MODE_ENABLE); |
| |
| if (tp->pci_chip_rev_id == CHIPREV_ID_5750_A3) { |
| tg3_stop_fw(tp); |
| tw32(0x5000, 0x400); |
| } |
| |
| tw32(GRC_MODE, tp->grc_mode); |
| |
| if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A0) { |
| val = tr32(0xc4); |
| |
| tw32(0xc4, val | (1 << 15)); |
| } |
| |
| if ((tp->nic_sram_data_cfg & NIC_SRAM_DATA_CFG_MINI_PCI) != 0 && |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) { |
| tp->pci_clock_ctrl |= CLOCK_CTRL_CLKRUN_OENABLE; |
| if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A0) |
| tp->pci_clock_ctrl |= CLOCK_CTRL_FORCE_CLKRUN; |
| tw32(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl); |
| } |
| |
| if (tg3_flag(tp, ENABLE_APE)) |
| tp->mac_mode = MAC_MODE_APE_TX_EN | |
| MAC_MODE_APE_RX_EN | |
| MAC_MODE_TDE_ENABLE; |
| |
| if (tp->phy_flags & TG3_PHYFLG_PHY_SERDES) { |
| tp->mac_mode |= MAC_MODE_PORT_MODE_TBI; |
| val = tp->mac_mode; |
| } else if (tp->phy_flags & TG3_PHYFLG_MII_SERDES) { |
| tp->mac_mode |= MAC_MODE_PORT_MODE_GMII; |
| val = tp->mac_mode; |
| } else |
| val = 0; |
| |
| tw32_f(MAC_MODE, val); |
| udelay(40); |
| |
| tg3_ape_unlock(tp, TG3_APE_LOCK_GRC); |
| |
| err = tg3_poll_fw(tp); |
| if (err) |
| return err; |
| |
| tg3_mdio_start(tp); |
| |
| if (tg3_flag(tp, PCI_EXPRESS) && |
| tp->pci_chip_rev_id != CHIPREV_ID_5750_A0 && |
| GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5785 && |
| !tg3_flag(tp, 57765_PLUS)) { |
| val = tr32(0x7c00); |
| |
| tw32(0x7c00, val | (1 << 25)); |
| } |
| |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5720) { |
| val = tr32(TG3_CPMU_CLCK_ORIDE); |
| tw32(TG3_CPMU_CLCK_ORIDE, val & ~CPMU_CLCK_ORIDE_MAC_ORIDE_EN); |
| } |
| |
| /* Reprobe ASF enable state. */ |
| tg3_flag_clear(tp, ENABLE_ASF); |
| tg3_flag_clear(tp, ASF_NEW_HANDSHAKE); |
| tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val); |
| if (val == NIC_SRAM_DATA_SIG_MAGIC) { |
| u32 nic_cfg; |
| |
| tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg); |
| if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) { |
| tg3_flag_set(tp, ENABLE_ASF); |
| tp->last_event_jiffies = jiffies; |
| if (tg3_flag(tp, 5750_PLUS)) |
| tg3_flag_set(tp, ASF_NEW_HANDSHAKE); |
| } |
| } |
| |
| return 0; |
| } |
| |
| /* tp->lock is held. */ |
| static void tg3_stop_fw(struct tg3 *tp) |
| { |
| if (tg3_flag(tp, ENABLE_ASF) && !tg3_flag(tp, ENABLE_APE)) { |
| /* Wait for RX cpu to ACK the previous event. */ |
| tg3_wait_for_event_ack(tp); |
| |
| tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX, FWCMD_NICDRV_PAUSE_FW); |
| |
| tg3_generate_fw_event(tp); |
| |
| /* Wait for RX cpu to ACK this event. */ |
| tg3_wait_for_event_ack(tp); |
| } |
| } |
| |
| /* tp->lock is held. */ |
| static int tg3_halt(struct tg3 *tp, int kind, int silent) |
| { |
| int err; |
| |
| tg3_stop_fw(tp); |
| |
| tg3_write_sig_pre_reset(tp, kind); |
| |
| tg3_abort_hw(tp, silent); |
| err = tg3_chip_reset(tp); |
| |
| __tg3_set_mac_addr(tp, 0); |
| |
| tg3_write_sig_legacy(tp, kind); |
| tg3_write_sig_post_reset(tp, kind); |
| |
| if (err) |
| return err; |
| |
| return 0; |
| } |
| |
| #define RX_CPU_SCRATCH_BASE 0x30000 |
| #define RX_CPU_SCRATCH_SIZE 0x04000 |
| #define TX_CPU_SCRATCH_BASE 0x34000 |
| #define TX_CPU_SCRATCH_SIZE 0x04000 |
| |
| /* tp->lock is held. */ |
| static int tg3_halt_cpu(struct tg3 *tp, u32 offset) |
| { |
| int i; |
| |
| BUG_ON(offset == TX_CPU_BASE && tg3_flag(tp, 5705_PLUS)); |
| |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) { |
| u32 val = tr32(GRC_VCPU_EXT_CTRL); |
| |
| tw32(GRC_VCPU_EXT_CTRL, val | GRC_VCPU_EXT_CTRL_HALT_CPU); |
| return 0; |
| } |
| if (offset == RX_CPU_BASE) { |
| for (i = 0; i < 10000; i++) { |
| tw32(offset + CPU_STATE, 0xffffffff); |
| tw32(offset + CPU_MODE, CPU_MODE_HALT); |
| if (tr32(offset + CPU_MODE) & CPU_MODE_HALT) |
| break; |
| } |
| |
| tw32(offset + CPU_STATE, 0xffffffff); |
| tw32_f(offset + CPU_MODE, CPU_MODE_HALT); |
| udelay(10); |
| } else { |
| for (i = 0; i < 10000; i++) { |
| tw32(offset + CPU_STATE, 0xffffffff); |
| tw32(offset + CPU_MODE, CPU_MODE_HALT); |
| if (tr32(offset + CPU_MODE) & CPU_MODE_HALT) |
| break; |
| } |
| } |
| |
| if (i >= 10000) { |
| netdev_err(tp->dev, "%s timed out, %s CPU\n", |
| __func__, offset == RX_CPU_BASE ? "RX" : "TX"); |
| return -ENODEV; |
| } |
| |
| /* Clear firmware's nvram arbitration. */ |
| if (tg3_flag(tp, NVRAM)) |
| tw32(NVRAM_SWARB, SWARB_REQ_CLR0); |
| return 0; |
| } |
| |
| struct fw_info { |
| unsigned int fw_base; |
| unsigned int fw_len; |
| const __be32 *fw_data; |
| }; |
| |
| /* tp->lock is held. */ |
| static int tg3_load_firmware_cpu(struct tg3 *tp, u32 cpu_base, u32 cpu_scratch_base, |
| int cpu_scratch_size, struct fw_info *info) |
| { |
| int err, lock_err, i; |
| void (*write_op)(struct tg3 *, u32, u32); |
| |
| if (cpu_base == TX_CPU_BASE && tg3_flag(tp, 5705_PLUS)) { |
| netdev_err(tp->dev, |
| "%s: Trying to load TX cpu firmware which is 5705\n", |
| __func__); |
| return -EINVAL; |
| } |
| |
| if (tg3_flag(tp, 5705_PLUS)) |
| write_op = tg3_write_mem; |
| else |
| write_op = tg3_write_indirect_reg32; |
| |
| /* It is possible that bootcode is still loading at this point. |
| * Get the nvram lock first before halting the cpu. |
| */ |
| lock_err = tg3_nvram_lock(tp); |
| err = tg3_halt_cpu(tp, cpu_base); |
| if (!lock_err) |
| tg3_nvram_unlock(tp); |
| if (err) |
| goto out; |
| |
| for (i = 0; i < cpu_scratch_size; i += sizeof(u32)) |
| write_op(tp, cpu_scratch_base + i, 0); |
| tw32(cpu_base + CPU_STATE, 0xffffffff); |
| tw32(cpu_base + CPU_MODE, tr32(cpu_base+CPU_MODE)|CPU_MODE_HALT); |
| for (i = 0; i < (info->fw_len / sizeof(u32)); i++) |
| write_op(tp, (cpu_scratch_base + |
| (info->fw_base & 0xffff) + |
| (i * sizeof(u32))), |
| be32_to_cpu(info->fw_data[i])); |
| |
| err = 0; |
| |
| out: |
| return err; |
| } |
| |
| /* tp->lock is held. */ |
| static int tg3_load_5701_a0_firmware_fix(struct tg3 *tp) |
| { |
| struct fw_info info; |
| const __be32 *fw_data; |
| int err, i; |
| |
| fw_data = (void *)tp->fw->data; |
| |
| /* Firmware blob starts with version numbers, followed by |
| start address and length. We are setting complete length. |
| length = end_address_of_bss - start_address_of_text. |
| Remainder is the blob to be loaded contiguously |
| from start address. */ |
| |
| info.fw_base = be32_to_cpu(fw_data[1]); |
| info.fw_len = tp->fw->size - 12; |
| info.fw_data = &fw_data[3]; |
| |
| err = tg3_load_firmware_cpu(tp, RX_CPU_BASE, |
| RX_CPU_SCRATCH_BASE, RX_CPU_SCRATCH_SIZE, |
| &info); |
| if (err) |
| return err; |
| |
| err = tg3_load_firmware_cpu(tp, TX_CPU_BASE, |
| TX_CPU_SCRATCH_BASE, TX_CPU_SCRATCH_SIZE, |
| &info); |
| if (err) |
| return err; |
| |
| /* Now startup only the RX cpu. */ |
| tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff); |
| tw32_f(RX_CPU_BASE + CPU_PC, info.fw_base); |
| |
| for (i = 0; i < 5; i++) { |
| if (tr32(RX_CPU_BASE + CPU_PC) == info.fw_base) |
| break; |
| tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff); |
| tw32(RX_CPU_BASE + CPU_MODE, CPU_MODE_HALT); |
| tw32_f(RX_CPU_BASE + CPU_PC, info.fw_base); |
| udelay(1000); |
| } |
| if (i >= 5) { |
| netdev_err(tp->dev, "%s fails to set RX CPU PC, is %08x " |
| "should be %08x\n", __func__, |
| tr32(RX_CPU_BASE + CPU_PC), info.fw_base); |
| return -ENODEV; |
| } |
| tw32(RX_CPU_BASE + CPU_STATE, 0xffffffff); |
| tw32_f(RX_CPU_BASE + CPU_MODE, 0x00000000); |
| |
| return 0; |
| } |
| |
| /* tp->lock is held. */ |
| static int tg3_load_tso_firmware(struct tg3 *tp) |
| { |
| struct fw_info info; |
| const __be32 *fw_data; |
| unsigned long cpu_base, cpu_scratch_base, cpu_scratch_size; |
| int err, i; |
| |
| if (tg3_flag(tp, HW_TSO_1) || |
| tg3_flag(tp, HW_TSO_2) || |
| tg3_flag(tp, HW_TSO_3)) |
| return 0; |
| |
| fw_data = (void *)tp->fw->data; |
| |
| /* Firmware blob starts with version numbers, followed by |
| start address and length. We are setting complete length. |
| length = end_address_of_bss - start_address_of_text. |
| Remainder is the blob to be loaded contiguously |
| from start address. */ |
| |
| info.fw_base = be32_to_cpu(fw_data[1]); |
| cpu_scratch_size = tp->fw_len; |
| info.fw_len = tp->fw->size - 12; |
| info.fw_data = &fw_data[3]; |
| |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) { |
| cpu_base = RX_CPU_BASE; |
| cpu_scratch_base = NIC_SRAM_MBUF_POOL_BASE5705; |
| } else { |
| cpu_base = TX_CPU_BASE; |
| cpu_scratch_base = TX_CPU_SCRATCH_BASE; |
| cpu_scratch_size = TX_CPU_SCRATCH_SIZE; |
| } |
| |
| err = tg3_load_firmware_cpu(tp, cpu_base, |
| cpu_scratch_base, cpu_scratch_size, |
| &info); |
| if (err) |
| return err; |
| |
| /* Now startup the cpu. */ |
| tw32(cpu_base + CPU_STATE, 0xffffffff); |
| tw32_f(cpu_base + CPU_PC, info.fw_base); |
| |
| for (i = 0; i < 5; i++) { |
| if (tr32(cpu_base + CPU_PC) == info.fw_base) |
| break; |
| tw32(cpu_base + CPU_STATE, 0xffffffff); |
| tw32(cpu_base + CPU_MODE, CPU_MODE_HALT); |
| tw32_f(cpu_base + CPU_PC, info.fw_base); |
| udelay(1000); |
| } |
| if (i >= 5) { |
| netdev_err(tp->dev, |
| "%s fails to set CPU PC, is %08x should be %08x\n", |
| __func__, tr32(cpu_base + CPU_PC), info.fw_base); |
| return -ENODEV; |
| } |
| tw32(cpu_base + CPU_STATE, 0xffffffff); |
| tw32_f(cpu_base + CPU_MODE, 0x00000000); |
| return 0; |
| } |
| |
| |
| static int tg3_set_mac_addr(struct net_device *dev, void *p) |
| { |
| struct tg3 *tp = netdev_priv(dev); |
| struct sockaddr *addr = p; |
| int err = 0, skip_mac_1 = 0; |
| |
| if (!is_valid_ether_addr(addr->sa_data)) |
| return -EINVAL; |
| |
| memcpy(dev->dev_addr, addr->sa_data, dev->addr_len); |
| |
| if (!netif_running(dev)) |
| return 0; |
| |
| if (tg3_flag(tp, ENABLE_ASF)) { |
| u32 addr0_high, addr0_low, addr1_high, addr1_low; |
| |
| addr0_high = tr32(MAC_ADDR_0_HIGH); |
| addr0_low = tr32(MAC_ADDR_0_LOW); |
| addr1_high = tr32(MAC_ADDR_1_HIGH); |
| addr1_low = tr32(MAC_ADDR_1_LOW); |
| |
| /* Skip MAC addr 1 if ASF is using it. */ |
| if ((addr0_high != addr1_high || addr0_low != addr1_low) && |
| !(addr1_high == 0 && addr1_low == 0)) |
| skip_mac_1 = 1; |
| } |
| spin_lock_bh(&tp->lock); |
| __tg3_set_mac_addr(tp, skip_mac_1); |
| spin_unlock_bh(&tp->lock); |
| |
| return err; |
| } |
| |
| /* tp->lock is held. */ |
| static void tg3_set_bdinfo(struct tg3 *tp, u32 bdinfo_addr, |
| dma_addr_t mapping, u32 maxlen_flags, |
| u32 nic_addr) |
| { |
| tg3_write_mem(tp, |
| (bdinfo_addr + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH), |
| ((u64) mapping >> 32)); |
| tg3_write_mem(tp, |
| (bdinfo_addr + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW), |
| ((u64) mapping & 0xffffffff)); |
| tg3_write_mem(tp, |
| (bdinfo_addr + TG3_BDINFO_MAXLEN_FLAGS), |
| maxlen_flags); |
| |
| if (!tg3_flag(tp, 5705_PLUS)) |
| tg3_write_mem(tp, |
| (bdinfo_addr + TG3_BDINFO_NIC_ADDR), |
| nic_addr); |
| } |
| |
| static void __tg3_set_rx_mode(struct net_device *); |
| static void __tg3_set_coalesce(struct tg3 *tp, struct ethtool_coalesce *ec) |
| { |
| int i; |
| |
| if (!tg3_flag(tp, ENABLE_TSS)) { |
| tw32(HOSTCC_TXCOL_TICKS, ec->tx_coalesce_usecs); |
| tw32(HOSTCC_TXMAX_FRAMES, ec->tx_max_coalesced_frames); |
| tw32(HOSTCC_TXCOAL_MAXF_INT, ec->tx_max_coalesced_frames_irq); |
| } else { |
| tw32(HOSTCC_TXCOL_TICKS, 0); |
| tw32(HOSTCC_TXMAX_FRAMES, 0); |
| tw32(HOSTCC_TXCOAL_MAXF_INT, 0); |
| } |
| |
| if (!tg3_flag(tp, ENABLE_RSS)) { |
| tw32(HOSTCC_RXCOL_TICKS, ec->rx_coalesce_usecs); |
| tw32(HOSTCC_RXMAX_FRAMES, ec->rx_max_coalesced_frames); |
| tw32(HOSTCC_RXCOAL_MAXF_INT, ec->rx_max_coalesced_frames_irq); |
| } else { |
| tw32(HOSTCC_RXCOL_TICKS, 0); |
| tw32(HOSTCC_RXMAX_FRAMES, 0); |
| tw32(HOSTCC_RXCOAL_MAXF_INT, 0); |
| } |
| |
| if (!tg3_flag(tp, 5705_PLUS)) { |
| u32 val = ec->stats_block_coalesce_usecs; |
| |
| tw32(HOSTCC_RXCOAL_TICK_INT, ec->rx_coalesce_usecs_irq); |
| tw32(HOSTCC_TXCOAL_TICK_INT, ec->tx_coalesce_usecs_irq); |
| |
| if (!netif_carrier_ok(tp->dev)) |
| val = 0; |
| |
| tw32(HOSTCC_STAT_COAL_TICKS, val); |
| } |
| |
| for (i = 0; i < tp->irq_cnt - 1; i++) { |
| u32 reg; |
| |
| reg = HOSTCC_RXCOL_TICKS_VEC1 + i * 0x18; |
| tw32(reg, ec->rx_coalesce_usecs); |
| reg = HOSTCC_RXMAX_FRAMES_VEC1 + i * 0x18; |
| tw32(reg, ec->rx_max_coalesced_frames); |
| reg = HOSTCC_RXCOAL_MAXF_INT_VEC1 + i * 0x18; |
| tw32(reg, ec->rx_max_coalesced_frames_irq); |
| |
| if (tg3_flag(tp, ENABLE_TSS)) { |
| reg = HOSTCC_TXCOL_TICKS_VEC1 + i * 0x18; |
| tw32(reg, ec->tx_coalesce_usecs); |
| reg = HOSTCC_TXMAX_FRAMES_VEC1 + i * 0x18; |
| tw32(reg, ec->tx_max_coalesced_frames); |
| reg = HOSTCC_TXCOAL_MAXF_INT_VEC1 + i * 0x18; |
| tw32(reg, ec->tx_max_coalesced_frames_irq); |
| } |
| } |
| |
| for (; i < tp->irq_max - 1; i++) { |
| tw32(HOSTCC_RXCOL_TICKS_VEC1 + i * 0x18, 0); |
| tw32(HOSTCC_RXMAX_FRAMES_VEC1 + i * 0x18, 0); |
| tw32(HOSTCC_RXCOAL_MAXF_INT_VEC1 + i * 0x18, 0); |
| |
| if (tg3_flag(tp, ENABLE_TSS)) { |
| tw32(HOSTCC_TXCOL_TICKS_VEC1 + i * 0x18, 0); |
| tw32(HOSTCC_TXMAX_FRAMES_VEC1 + i * 0x18, 0); |
| tw32(HOSTCC_TXCOAL_MAXF_INT_VEC1 + i * 0x18, 0); |
| } |
| } |
| } |
| |
| /* tp->lock is held. */ |
| static void tg3_rings_reset(struct tg3 *tp) |
| { |
| int i; |
| u32 stblk, txrcb, rxrcb, limit; |
| struct tg3_napi *tnapi = &tp->napi[0]; |
| |
| /* Disable all transmit rings but the first. */ |
| if (!tg3_flag(tp, 5705_PLUS)) |
| limit = NIC_SRAM_SEND_RCB + TG3_BDINFO_SIZE * 16; |
| else if (tg3_flag(tp, 5717_PLUS)) |
| limit = NIC_SRAM_SEND_RCB + TG3_BDINFO_SIZE * 4; |
| else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765) |
| limit = NIC_SRAM_SEND_RCB + TG3_BDINFO_SIZE * 2; |
| else |
| limit = NIC_SRAM_SEND_RCB + TG3_BDINFO_SIZE; |
| |
| for (txrcb = NIC_SRAM_SEND_RCB + TG3_BDINFO_SIZE; |
| txrcb < limit; txrcb += TG3_BDINFO_SIZE) |
| tg3_write_mem(tp, txrcb + TG3_BDINFO_MAXLEN_FLAGS, |
| BDINFO_FLAGS_DISABLED); |
| |
| |
| /* Disable all receive return rings but the first. */ |
| if (tg3_flag(tp, 5717_PLUS)) |
| limit = NIC_SRAM_RCV_RET_RCB + TG3_BDINFO_SIZE * 17; |
| else if (!tg3_flag(tp, 5705_PLUS)) |
| limit = NIC_SRAM_RCV_RET_RCB + TG3_BDINFO_SIZE * 16; |
| else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765) |
| limit = NIC_SRAM_RCV_RET_RCB + TG3_BDINFO_SIZE * 4; |
| else |
| limit = NIC_SRAM_RCV_RET_RCB + TG3_BDINFO_SIZE; |
| |
| for (rxrcb = NIC_SRAM_RCV_RET_RCB + TG3_BDINFO_SIZE; |
| rxrcb < limit; rxrcb += TG3_BDINFO_SIZE) |
| tg3_write_mem(tp, rxrcb + TG3_BDINFO_MAXLEN_FLAGS, |
| BDINFO_FLAGS_DISABLED); |
| |
| /* Disable interrupts */ |
| tw32_mailbox_f(tp->napi[0].int_mbox, 1); |
| |
| /* Zero mailbox registers. */ |
| if (tg3_flag(tp, SUPPORT_MSIX)) { |
| for (i = 1; i < tp->irq_max; i++) { |
| tp->napi[i].tx_prod = 0; |
| tp->napi[i].tx_cons = 0; |
| if (tg3_flag(tp, ENABLE_TSS)) |
| tw32_mailbox(tp->napi[i].prodmbox, 0); |
| tw32_rx_mbox(tp->napi[i].consmbox, 0); |
| tw32_mailbox_f(tp->napi[i].int_mbox, 1); |
| } |
| if (!tg3_flag(tp, ENABLE_TSS)) |
| tw32_mailbox(tp->napi[0].prodmbox, 0); |
| } else { |
| tp->napi[0].tx_prod = 0; |
| tp->napi[0].tx_cons = 0; |
| tw32_mailbox(tp->napi[0].prodmbox, 0); |
| tw32_rx_mbox(tp->napi[0].consmbox, 0); |
| } |
| |
| /* Make sure the NIC-based send BD rings are disabled. */ |
| if (!tg3_flag(tp, 5705_PLUS)) { |
| u32 mbox = MAILBOX_SNDNIC_PROD_IDX_0 + TG3_64BIT_REG_LOW; |
| for (i = 0; i < 16; i++) |
| tw32_tx_mbox(mbox + i * 8, 0); |
| } |
| |
| txrcb = NIC_SRAM_SEND_RCB; |
| rxrcb = NIC_SRAM_RCV_RET_RCB; |
| |
| /* Clear status block in ram. */ |
| memset(tnapi->hw_status, 0, TG3_HW_STATUS_SIZE); |
| |
| /* Set status block DMA address */ |
| tw32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH, |
| ((u64) tnapi->status_mapping >> 32)); |
| tw32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW, |
| ((u64) tnapi->status_mapping & 0xffffffff)); |
| |
| if (tnapi->tx_ring) { |
| tg3_set_bdinfo(tp, txrcb, tnapi->tx_desc_mapping, |
| (TG3_TX_RING_SIZE << |
| BDINFO_FLAGS_MAXLEN_SHIFT), |
| NIC_SRAM_TX_BUFFER_DESC); |
| txrcb += TG3_BDINFO_SIZE; |
| } |
| |
| if (tnapi->rx_rcb) { |
| tg3_set_bdinfo(tp, rxrcb, tnapi->rx_rcb_mapping, |
| (tp->rx_ret_ring_mask + 1) << |
| BDINFO_FLAGS_MAXLEN_SHIFT, 0); |
| rxrcb += TG3_BDINFO_SIZE; |
| } |
| |
| stblk = HOSTCC_STATBLCK_RING1; |
| |
| for (i = 1, tnapi++; i < tp->irq_cnt; i++, tnapi++) { |
| u64 mapping = (u64)tnapi->status_mapping; |
| tw32(stblk + TG3_64BIT_REG_HIGH, mapping >> 32); |
| tw32(stblk + TG3_64BIT_REG_LOW, mapping & 0xffffffff); |
| |
| /* Clear status block in ram. */ |
| memset(tnapi->hw_status, 0, TG3_HW_STATUS_SIZE); |
| |
| if (tnapi->tx_ring) { |
| tg3_set_bdinfo(tp, txrcb, tnapi->tx_desc_mapping, |
| (TG3_TX_RING_SIZE << |
| BDINFO_FLAGS_MAXLEN_SHIFT), |
| NIC_SRAM_TX_BUFFER_DESC); |
| txrcb += TG3_BDINFO_SIZE; |
| } |
| |
| tg3_set_bdinfo(tp, rxrcb, tnapi->rx_rcb_mapping, |
| ((tp->rx_ret_ring_mask + 1) << |
| BDINFO_FLAGS_MAXLEN_SHIFT), 0); |
| |
| stblk += 8; |
| rxrcb += TG3_BDINFO_SIZE; |
| } |
| } |
| |
| static void tg3_setup_rxbd_thresholds(struct tg3 *tp) |
| { |
| u32 val, bdcache_maxcnt, host_rep_thresh, nic_rep_thresh; |
| |
| if (!tg3_flag(tp, 5750_PLUS) || |
| tg3_flag(tp, 5780_CLASS) || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752) |
| bdcache_maxcnt = TG3_SRAM_RX_STD_BDCACHE_SIZE_5700; |
| else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787) |
| bdcache_maxcnt = TG3_SRAM_RX_STD_BDCACHE_SIZE_5755; |
| else |
| bdcache_maxcnt = TG3_SRAM_RX_STD_BDCACHE_SIZE_5906; |
| |
| nic_rep_thresh = min(bdcache_maxcnt / 2, tp->rx_std_max_post); |
| host_rep_thresh = max_t(u32, tp->rx_pending / 8, 1); |
| |
| val = min(nic_rep_thresh, host_rep_thresh); |
| tw32(RCVBDI_STD_THRESH, val); |
| |
| if (tg3_flag(tp, 57765_PLUS)) |
| tw32(STD_REPLENISH_LWM, bdcache_maxcnt); |
| |
| if (!tg3_flag(tp, JUMBO_CAPABLE) || tg3_flag(tp, 5780_CLASS)) |
| return; |
| |
| if (!tg3_flag(tp, 5705_PLUS)) |
| bdcache_maxcnt = TG3_SRAM_RX_JMB_BDCACHE_SIZE_5700; |
| else |
| bdcache_maxcnt = TG3_SRAM_RX_JMB_BDCACHE_SIZE_5717; |
| |
| host_rep_thresh = max_t(u32, tp->rx_jumbo_pending / 8, 1); |
| |
| val = min(bdcache_maxcnt / 2, host_rep_thresh); |
| tw32(RCVBDI_JUMBO_THRESH, val); |
| |
| if (tg3_flag(tp, 57765_PLUS)) |
| tw32(JMB_REPLENISH_LWM, bdcache_maxcnt); |
| } |
| |
| /* tp->lock is held. */ |
| static int tg3_reset_hw(struct tg3 *tp, int reset_phy) |
| { |
| u32 val, rdmac_mode; |
| int i, err, limit; |
| struct tg3_rx_prodring_set *tpr = &tp->napi[0].prodring; |
| |
| tg3_disable_ints(tp); |
| |
| tg3_stop_fw(tp); |
| |
| tg3_write_sig_pre_reset(tp, RESET_KIND_INIT); |
| |
| if (tg3_flag(tp, INIT_COMPLETE)) |
| tg3_abort_hw(tp, 1); |
| |
| /* Enable MAC control of LPI */ |
| if (tp->phy_flags & TG3_PHYFLG_EEE_CAP) { |
| tw32_f(TG3_CPMU_EEE_LNKIDL_CTRL, |
| TG3_CPMU_EEE_LNKIDL_PCIE_NL0 | |
| TG3_CPMU_EEE_LNKIDL_UART_IDL); |
| |
| tw32_f(TG3_CPMU_EEE_CTRL, |
| TG3_CPMU_EEE_CTRL_EXIT_20_1_US); |
| |
| val = TG3_CPMU_EEEMD_ERLY_L1_XIT_DET | |
| TG3_CPMU_EEEMD_LPI_IN_TX | |
| TG3_CPMU_EEEMD_LPI_IN_RX | |
| TG3_CPMU_EEEMD_EEE_ENABLE; |
| |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5717) |
| val |= TG3_CPMU_EEEMD_SND_IDX_DET_EN; |
| |
| if (tg3_flag(tp, ENABLE_APE)) |
| val |= TG3_CPMU_EEEMD_APE_TX_DET_EN; |
| |
| tw32_f(TG3_CPMU_EEE_MODE, val); |
| |
| tw32_f(TG3_CPMU_EEE_DBTMR1, |
| TG3_CPMU_DBTMR1_PCIEXIT_2047US | |
| TG3_CPMU_DBTMR1_LNKIDLE_2047US); |
| |
| tw32_f(TG3_CPMU_EEE_DBTMR2, |
| TG3_CPMU_DBTMR2_APE_TX_2047US | |
| TG3_CPMU_DBTMR2_TXIDXEQ_2047US); |
| } |
| |
| if (reset_phy) |
| tg3_phy_reset(tp); |
| |
| err = tg3_chip_reset(tp); |
| if (err) |
| return err; |
| |
| tg3_write_sig_legacy(tp, RESET_KIND_INIT); |
| |
| if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX) { |
| val = tr32(TG3_CPMU_CTRL); |
| val &= ~(CPMU_CTRL_LINK_AWARE_MODE | CPMU_CTRL_LINK_IDLE_MODE); |
| tw32(TG3_CPMU_CTRL, val); |
| |
| val = tr32(TG3_CPMU_LSPD_10MB_CLK); |
| val &= ~CPMU_LSPD_10MB_MACCLK_MASK; |
| val |= CPMU_LSPD_10MB_MACCLK_6_25; |
| tw32(TG3_CPMU_LSPD_10MB_CLK, val); |
| |
| val = tr32(TG3_CPMU_LNK_AWARE_PWRMD); |
| val &= ~CPMU_LNK_AWARE_MACCLK_MASK; |
| val |= CPMU_LNK_AWARE_MACCLK_6_25; |
| tw32(TG3_CPMU_LNK_AWARE_PWRMD, val); |
| |
| val = tr32(TG3_CPMU_HST_ACC); |
| val &= ~CPMU_HST_ACC_MACCLK_MASK; |
| val |= CPMU_HST_ACC_MACCLK_6_25; |
| tw32(TG3_CPMU_HST_ACC, val); |
| } |
| |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780) { |
| val = tr32(PCIE_PWR_MGMT_THRESH) & ~PCIE_PWR_MGMT_L1_THRESH_MSK; |
| val |= PCIE_PWR_MGMT_EXT_ASPM_TMR_EN | |
| PCIE_PWR_MGMT_L1_THRESH_4MS; |
| tw32(PCIE_PWR_MGMT_THRESH, val); |
| |
| val = tr32(TG3_PCIE_EIDLE_DELAY) & ~TG3_PCIE_EIDLE_DELAY_MASK; |
| tw32(TG3_PCIE_EIDLE_DELAY, val | TG3_PCIE_EIDLE_DELAY_13_CLKS); |
| |
| tw32(TG3_CORR_ERR_STAT, TG3_CORR_ERR_STAT_CLEAR); |
| |
| val = tr32(TG3_PCIE_LNKCTL) & ~TG3_PCIE_LNKCTL_L1_PLL_PD_EN; |
| tw32(TG3_PCIE_LNKCTL, val | TG3_PCIE_LNKCTL_L1_PLL_PD_DIS); |
| } |
| |
| if (tg3_flag(tp, L1PLLPD_EN)) { |
| u32 grc_mode = tr32(GRC_MODE); |
| |
| /* Access the lower 1K of PL PCIE block registers. */ |
| val = grc_mode & ~GRC_MODE_PCIE_PORT_MASK; |
| tw32(GRC_MODE, val | GRC_MODE_PCIE_PL_SEL); |
| |
| val = tr32(TG3_PCIE_TLDLPL_PORT + TG3_PCIE_PL_LO_PHYCTL1); |
| tw32(TG3_PCIE_TLDLPL_PORT + TG3_PCIE_PL_LO_PHYCTL1, |
| val | TG3_PCIE_PL_LO_PHYCTL1_L1PLLPD_EN); |
| |
| tw32(GRC_MODE, grc_mode); |
| } |
| |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765) { |
| if (tp->pci_chip_rev_id == CHIPREV_ID_57765_A0) { |
| u32 grc_mode = tr32(GRC_MODE); |
| |
| /* Access the lower 1K of PL PCIE block registers. */ |
| val = grc_mode & ~GRC_MODE_PCIE_PORT_MASK; |
| tw32(GRC_MODE, val | GRC_MODE_PCIE_PL_SEL); |
| |
| val = tr32(TG3_PCIE_TLDLPL_PORT + |
| TG3_PCIE_PL_LO_PHYCTL5); |
| tw32(TG3_PCIE_TLDLPL_PORT + TG3_PCIE_PL_LO_PHYCTL5, |
| val | TG3_PCIE_PL_LO_PHYCTL5_DIS_L2CLKREQ); |
| |
| tw32(GRC_MODE, grc_mode); |
| } |
| |
| val = tr32(TG3_CPMU_LSPD_10MB_CLK); |
| val &= ~CPMU_LSPD_10MB_MACCLK_MASK; |
| val |= CPMU_LSPD_10MB_MACCLK_6_25; |
| tw32(TG3_CPMU_LSPD_10MB_CLK, val); |
| } |
| |
| /* This works around an issue with Athlon chipsets on |
| * B3 tigon3 silicon. This bit has no effect on any |
| * other revision. But do not set this on PCI Express |
| * chips and don't even touch the clocks if the CPMU is present. |
| */ |
| if (!tg3_flag(tp, CPMU_PRESENT)) { |
| if (!tg3_flag(tp, PCI_EXPRESS)) |
| tp->pci_clock_ctrl |= CLOCK_CTRL_DELAY_PCI_GRANT; |
| tw32_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl); |
| } |
| |
| if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0 && |
| tg3_flag(tp, PCIX_MODE)) { |
| val = tr32(TG3PCI_PCISTATE); |
| val |= PCISTATE_RETRY_SAME_DMA; |
| tw32(TG3PCI_PCISTATE, val); |
| } |
| |
| if (tg3_flag(tp, ENABLE_APE)) { |
| /* Allow reads and writes to the |
| * APE register and memory space. |
| */ |
| val = tr32(TG3PCI_PCISTATE); |
| val |= PCISTATE_ALLOW_APE_CTLSPC_WR | |
| PCISTATE_ALLOW_APE_SHMEM_WR | |
| PCISTATE_ALLOW_APE_PSPACE_WR; |
| tw32(TG3PCI_PCISTATE, val); |
| } |
| |
| if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5704_BX) { |
| /* Enable some hw fixes. */ |
| val = tr32(TG3PCI_MSI_DATA); |
| val |= (1 << 26) | (1 << 28) | (1 << 29); |
| tw32(TG3PCI_MSI_DATA, val); |
| } |
| |
| /* Descriptor ring init may make accesses to the |
| * NIC SRAM area to setup the TX descriptors, so we |
| * can only do this after the hardware has been |
| * successfully reset. |
| */ |
| err = tg3_init_rings(tp); |
| if (err) |
| return err; |
| |
| if (tg3_flag(tp, 57765_PLUS)) { |
| val = tr32(TG3PCI_DMA_RW_CTRL) & |
| ~DMA_RWCTRL_DIS_CACHE_ALIGNMENT; |
| if (tp->pci_chip_rev_id == CHIPREV_ID_57765_A0) |
| val &= ~DMA_RWCTRL_CRDRDR_RDMA_MRRS_MSK; |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_57765 && |
| GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5717) |
| val |= DMA_RWCTRL_TAGGED_STAT_WA; |
| tw32(TG3PCI_DMA_RW_CTRL, val | tp->dma_rwctrl); |
| } else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5784 && |
| GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5761) { |
| /* This value is determined during the probe time DMA |
| * engine test, tg3_test_dma. |
| */ |
| tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl); |
| } |
| |
| tp->grc_mode &= ~(GRC_MODE_HOST_SENDBDS | |
| GRC_MODE_4X_NIC_SEND_RINGS | |
| GRC_MODE_NO_TX_PHDR_CSUM | |
| GRC_MODE_NO_RX_PHDR_CSUM); |
| tp->grc_mode |= GRC_MODE_HOST_SENDBDS; |
| |
| /* Pseudo-header checksum is done by hardware logic and not |
| * the offload processers, so make the chip do the pseudo- |
| * header checksums on receive. For transmit it is more |
| * convenient to do the pseudo-header checksum in software |
| * as Linux does that on transmit for us in all cases. |
| */ |
| tp->grc_mode |= GRC_MODE_NO_TX_PHDR_CSUM; |
| |
| tw32(GRC_MODE, |
| tp->grc_mode | |
| (GRC_MODE_IRQ_ON_MAC_ATTN | GRC_MODE_HOST_STACKUP)); |
| |
| /* Setup the timer prescalar register. Clock is always 66Mhz. */ |
| val = tr32(GRC_MISC_CFG); |
| val &= ~0xff; |
| val |= (65 << GRC_MISC_CFG_PRESCALAR_SHIFT); |
| tw32(GRC_MISC_CFG, val); |
| |
| /* Initialize MBUF/DESC pool. */ |
| if (tg3_flag(tp, 5750_PLUS)) { |
| /* Do nothing. */ |
| } else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5705) { |
| tw32(BUFMGR_MB_POOL_ADDR, NIC_SRAM_MBUF_POOL_BASE); |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) |
| tw32(BUFMGR_MB_POOL_SIZE, NIC_SRAM_MBUF_POOL_SIZE64); |
| else |
| tw32(BUFMGR_MB_POOL_SIZE, NIC_SRAM_MBUF_POOL_SIZE96); |
| tw32(BUFMGR_DMA_DESC_POOL_ADDR, NIC_SRAM_DMA_DESC_POOL_BASE); |
| tw32(BUFMGR_DMA_DESC_POOL_SIZE, NIC_SRAM_DMA_DESC_POOL_SIZE); |
| } else if (tg3_flag(tp, TSO_CAPABLE)) { |
| int fw_len; |
| |
| fw_len = tp->fw_len; |
| fw_len = (fw_len + (0x80 - 1)) & ~(0x80 - 1); |
| tw32(BUFMGR_MB_POOL_ADDR, |
| NIC_SRAM_MBUF_POOL_BASE5705 + fw_len); |
| tw32(BUFMGR_MB_POOL_SIZE, |
| NIC_SRAM_MBUF_POOL_SIZE5705 - fw_len - 0xa00); |
| } |
| |
| if (tp->dev->mtu <= ETH_DATA_LEN) { |
| tw32(BUFMGR_MB_RDMA_LOW_WATER, |
| tp->bufmgr_config.mbuf_read_dma_low_water); |
| tw32(BUFMGR_MB_MACRX_LOW_WATER, |
| tp->bufmgr_config.mbuf_mac_rx_low_water); |
| tw32(BUFMGR_MB_HIGH_WATER, |
| tp->bufmgr_config.mbuf_high_water); |
| } else { |
| tw32(BUFMGR_MB_RDMA_LOW_WATER, |
| tp->bufmgr_config.mbuf_read_dma_low_water_jumbo); |
| tw32(BUFMGR_MB_MACRX_LOW_WATER, |
| tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo); |
| tw32(BUFMGR_MB_HIGH_WATER, |
| tp->bufmgr_config.mbuf_high_water_jumbo); |
| } |
| tw32(BUFMGR_DMA_LOW_WATER, |
| tp->bufmgr_config.dma_low_water); |
| tw32(BUFMGR_DMA_HIGH_WATER, |
| tp->bufmgr_config.dma_high_water); |
| |
| val = BUFMGR_MODE_ENABLE | BUFMGR_MODE_ATTN_ENABLE; |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5719) |
| val |= BUFMGR_MODE_NO_TX_UNDERRUN; |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 || |
| tp->pci_chip_rev_id == CHIPREV_ID_5719_A0 || |
| tp->pci_chip_rev_id == CHIPREV_ID_5720_A0) |
| val |= BUFMGR_MODE_MBLOW_ATTN_ENAB; |
| tw32(BUFMGR_MODE, val); |
| for (i = 0; i < 2000; i++) { |
| if (tr32(BUFMGR_MODE) & BUFMGR_MODE_ENABLE) |
| break; |
| udelay(10); |
| } |
| if (i >= 2000) { |
| netdev_err(tp->dev, "%s cannot enable BUFMGR\n", __func__); |
| return -ENODEV; |
| } |
| |
| if (tp->pci_chip_rev_id == CHIPREV_ID_5906_A1) |
| tw32(ISO_PKT_TX, (tr32(ISO_PKT_TX) & ~0x3) | 0x2); |
| |
| tg3_setup_rxbd_thresholds(tp); |
| |
| /* Initialize TG3_BDINFO's at: |
| * RCVDBDI_STD_BD: standard eth size rx ring |
| * RCVDBDI_JUMBO_BD: jumbo frame rx ring |
| * RCVDBDI_MINI_BD: small frame rx ring (??? does not work) |
| * |
| * like so: |
| * TG3_BDINFO_HOST_ADDR: high/low parts of DMA address of ring |
| * TG3_BDINFO_MAXLEN_FLAGS: (rx max buffer size << 16) | |
| * ring attribute flags |
| * TG3_BDINFO_NIC_ADDR: location of descriptors in nic SRAM |
| * |
| * Standard receive ring @ NIC_SRAM_RX_BUFFER_DESC, 512 entries. |
| * Jumbo receive ring @ NIC_SRAM_RX_JUMBO_BUFFER_DESC, 256 entries. |
| * |
| * The size of each ring is fixed in the firmware, but the location is |
| * configurable. |
| */ |
| tw32(RCVDBDI_STD_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH, |
| ((u64) tpr->rx_std_mapping >> 32)); |
| tw32(RCVDBDI_STD_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW, |
| ((u64) tpr->rx_std_mapping & 0xffffffff)); |
| if (!tg3_flag(tp, 5717_PLUS)) |
| tw32(RCVDBDI_STD_BD + TG3_BDINFO_NIC_ADDR, |
| NIC_SRAM_RX_BUFFER_DESC); |
| |
| /* Disable the mini ring */ |
| if (!tg3_flag(tp, 5705_PLUS)) |
| tw32(RCVDBDI_MINI_BD + TG3_BDINFO_MAXLEN_FLAGS, |
| BDINFO_FLAGS_DISABLED); |
| |
| /* Program the jumbo buffer descriptor ring control |
| * blocks on those devices that have them. |
| */ |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5719 || |
| (tg3_flag(tp, JUMBO_CAPABLE) && !tg3_flag(tp, 5780_CLASS))) { |
| |
| if (tg3_flag(tp, JUMBO_RING_ENABLE)) { |
| tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH, |
| ((u64) tpr->rx_jmb_mapping >> 32)); |
| tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW, |
| ((u64) tpr->rx_jmb_mapping & 0xffffffff)); |
| val = TG3_RX_JMB_RING_SIZE(tp) << |
| BDINFO_FLAGS_MAXLEN_SHIFT; |
| tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_MAXLEN_FLAGS, |
| val | BDINFO_FLAGS_USE_EXT_RECV); |
| if (!tg3_flag(tp, USE_JUMBO_BDFLAG) || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765) |
| tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_NIC_ADDR, |
| NIC_SRAM_RX_JUMBO_BUFFER_DESC); |
| } else { |
| tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_MAXLEN_FLAGS, |
| BDINFO_FLAGS_DISABLED); |
| } |
| |
| if (tg3_flag(tp, 57765_PLUS)) { |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765) |
| val = TG3_RX_STD_MAX_SIZE_5700; |
| else |
| val = TG3_RX_STD_MAX_SIZE_5717; |
| val <<= BDINFO_FLAGS_MAXLEN_SHIFT; |
| val |= (TG3_RX_STD_DMA_SZ << 2); |
| } else |
| val = TG3_RX_STD_DMA_SZ << BDINFO_FLAGS_MAXLEN_SHIFT; |
| } else |
| val = TG3_RX_STD_MAX_SIZE_5700 << BDINFO_FLAGS_MAXLEN_SHIFT; |
| |
| tw32(RCVDBDI_STD_BD + TG3_BDINFO_MAXLEN_FLAGS, val); |
| |
| tpr->rx_std_prod_idx = tp->rx_pending; |
| tw32_rx_mbox(TG3_RX_STD_PROD_IDX_REG, tpr->rx_std_prod_idx); |
| |
| tpr->rx_jmb_prod_idx = |
| tg3_flag(tp, JUMBO_RING_ENABLE) ? tp->rx_jumbo_pending : 0; |
| tw32_rx_mbox(TG3_RX_JMB_PROD_IDX_REG, tpr->rx_jmb_prod_idx); |
| |
| tg3_rings_reset(tp); |
| |
| /* Initialize MAC address and backoff seed. */ |
| __tg3_set_mac_addr(tp, 0); |
| |
| /* MTU + ethernet header + FCS + optional VLAN tag */ |
| tw32(MAC_RX_MTU_SIZE, |
| tp->dev->mtu + ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN); |
| |
| /* The slot time is changed by tg3_setup_phy if we |
| * run at gigabit with half duplex. |
| */ |
| val = (2 << TX_LENGTHS_IPG_CRS_SHIFT) | |
| (6 << TX_LENGTHS_IPG_SHIFT) | |
| (32 << TX_LENGTHS_SLOT_TIME_SHIFT); |
| |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5720) |
| val |= tr32(MAC_TX_LENGTHS) & |
| (TX_LENGTHS_JMB_FRM_LEN_MSK | |
| TX_LENGTHS_CNT_DWN_VAL_MSK); |
| |
| tw32(MAC_TX_LENGTHS, val); |
| |
| /* Receive rules. */ |
| tw32(MAC_RCV_RULE_CFG, RCV_RULE_CFG_DEFAULT_CLASS); |
| tw32(RCVLPC_CONFIG, 0x0181); |
| |
| /* Calculate RDMAC_MODE setting early, we need it to determine |
| * the RCVLPC_STATE_ENABLE mask. |
| */ |
| rdmac_mode = (RDMAC_MODE_ENABLE | RDMAC_MODE_TGTABORT_ENAB | |
| RDMAC_MODE_MSTABORT_ENAB | RDMAC_MODE_PARITYERR_ENAB | |
| RDMAC_MODE_ADDROFLOW_ENAB | RDMAC_MODE_FIFOOFLOW_ENAB | |
| RDMAC_MODE_FIFOURUN_ENAB | RDMAC_MODE_FIFOOREAD_ENAB | |
| RDMAC_MODE_LNGREAD_ENAB); |
| |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717) |
| rdmac_mode |= RDMAC_MODE_MULT_DMA_RD_DIS; |
| |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780) |
| rdmac_mode |= RDMAC_MODE_BD_SBD_CRPT_ENAB | |
| RDMAC_MODE_MBUF_RBD_CRPT_ENAB | |
| RDMAC_MODE_MBUF_SBD_CRPT_ENAB; |
| |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 && |
| tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) { |
| if (tg3_flag(tp, TSO_CAPABLE) && |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) { |
| rdmac_mode |= RDMAC_MODE_FIFO_SIZE_128; |
| } else if (!(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH) && |
| !tg3_flag(tp, IS_5788)) { |
| rdmac_mode |= RDMAC_MODE_FIFO_LONG_BURST; |
| } |
| } |
| |
| if (tg3_flag(tp, PCI_EXPRESS)) |
| rdmac_mode |= RDMAC_MODE_FIFO_LONG_BURST; |
| |
| if (tg3_flag(tp, HW_TSO_1) || |
| tg3_flag(tp, HW_TSO_2) || |
| tg3_flag(tp, HW_TSO_3)) |
| rdmac_mode |= RDMAC_MODE_IPV4_LSO_EN; |
| |
| if (tg3_flag(tp, HW_TSO_3) || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780) |
| rdmac_mode |= RDMAC_MODE_IPV6_LSO_EN; |
| |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5720) |
| rdmac_mode |= tr32(RDMAC_MODE) & RDMAC_MODE_H2BNC_VLAN_DET; |
| |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 || |
| tg3_flag(tp, 57765_PLUS)) { |
| val = tr32(TG3_RDMA_RSRVCTRL_REG); |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5719 || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5720) { |
| val &= ~(TG3_RDMA_RSRVCTRL_TXMRGN_MASK | |
| TG3_RDMA_RSRVCTRL_FIFO_LWM_MASK | |
| TG3_RDMA_RSRVCTRL_FIFO_HWM_MASK); |
| val |= TG3_RDMA_RSRVCTRL_TXMRGN_320B | |
| TG3_RDMA_RSRVCTRL_FIFO_LWM_1_5K | |
| TG3_RDMA_RSRVCTRL_FIFO_HWM_1_5K; |
| } |
| tw32(TG3_RDMA_RSRVCTRL_REG, |
| val | TG3_RDMA_RSRVCTRL_FIFO_OFLW_FIX); |
| } |
| |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5719 || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5720) { |
| val = tr32(TG3_LSO_RD_DMA_CRPTEN_CTRL); |
| tw32(TG3_LSO_RD_DMA_CRPTEN_CTRL, val | |
| TG3_LSO_RD_DMA_CRPTEN_CTRL_BLEN_BD_4K | |
| TG3_LSO_RD_DMA_CRPTEN_CTRL_BLEN_LSO_4K); |
| } |
| |
| /* Receive/send statistics. */ |
| if (tg3_flag(tp, 5750_PLUS)) { |
| val = tr32(RCVLPC_STATS_ENABLE); |
| val &= ~RCVLPC_STATSENAB_DACK_FIX; |
| tw32(RCVLPC_STATS_ENABLE, val); |
| } else if ((rdmac_mode & RDMAC_MODE_FIFO_SIZE_128) && |
| tg3_flag(tp, TSO_CAPABLE)) { |
| val = tr32(RCVLPC_STATS_ENABLE); |
| val &= ~RCVLPC_STATSENAB_LNGBRST_RFIX; |
| tw32(RCVLPC_STATS_ENABLE, val); |
| } else { |
| tw32(RCVLPC_STATS_ENABLE, 0xffffff); |
| } |
| tw32(RCVLPC_STATSCTRL, RCVLPC_STATSCTRL_ENABLE); |
| tw32(SNDDATAI_STATSENAB, 0xffffff); |
| tw32(SNDDATAI_STATSCTRL, |
| (SNDDATAI_SCTRL_ENABLE | |
| SNDDATAI_SCTRL_FASTUPD)); |
| |
| /* Setup host coalescing engine. */ |
| tw32(HOSTCC_MODE, 0); |
| for (i = 0; i < 2000; i++) { |
| if (!(tr32(HOSTCC_MODE) & HOSTCC_MODE_ENABLE)) |
| break; |
| udelay(10); |
| } |
| |
| __tg3_set_coalesce(tp, &tp->coal); |
| |
| if (!tg3_flag(tp, 5705_PLUS)) { |
| /* Status/statistics block address. See tg3_timer, |
| * the tg3_periodic_fetch_stats call there, and |
| * tg3_get_stats to see how this works for 5705/5750 chips. |
| */ |
| tw32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH, |
| ((u64) tp->stats_mapping >> 32)); |
| tw32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW, |
| ((u64) tp->stats_mapping & 0xffffffff)); |
| tw32(HOSTCC_STATS_BLK_NIC_ADDR, NIC_SRAM_STATS_BLK); |
| |
| tw32(HOSTCC_STATUS_BLK_NIC_ADDR, NIC_SRAM_STATUS_BLK); |
| |
| /* Clear statistics and status block memory areas */ |
| for (i = NIC_SRAM_STATS_BLK; |
| i < NIC_SRAM_STATUS_BLK + TG3_HW_STATUS_SIZE; |
| i += sizeof(u32)) { |
| tg3_write_mem(tp, i, 0); |
| udelay(40); |
| } |
| } |
| |
| tw32(HOSTCC_MODE, HOSTCC_MODE_ENABLE | tp->coalesce_mode); |
| |
| tw32(RCVCC_MODE, RCVCC_MODE_ENABLE | RCVCC_MODE_ATTN_ENABLE); |
| tw32(RCVLPC_MODE, RCVLPC_MODE_ENABLE); |
| if (!tg3_flag(tp, 5705_PLUS)) |
| tw32(RCVLSC_MODE, RCVLSC_MODE_ENABLE | RCVLSC_MODE_ATTN_ENABLE); |
| |
| if (tp->phy_flags & TG3_PHYFLG_MII_SERDES) { |
| tp->phy_flags &= ~TG3_PHYFLG_PARALLEL_DETECT; |
| /* reset to prevent losing 1st rx packet intermittently */ |
| tw32_f(MAC_RX_MODE, RX_MODE_RESET); |
| udelay(10); |
| } |
| |
| if (tg3_flag(tp, ENABLE_APE)) |
| tp->mac_mode = MAC_MODE_APE_TX_EN | MAC_MODE_APE_RX_EN; |
| else |
| tp->mac_mode = 0; |
| tp->mac_mode |= MAC_MODE_TXSTAT_ENABLE | MAC_MODE_RXSTAT_ENABLE | |
| MAC_MODE_TDE_ENABLE | MAC_MODE_RDE_ENABLE | MAC_MODE_FHDE_ENABLE; |
| if (!tg3_flag(tp, 5705_PLUS) && |
| !(tp->phy_flags & TG3_PHYFLG_PHY_SERDES) && |
| GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700) |
| tp->mac_mode |= MAC_MODE_LINK_POLARITY; |
| tw32_f(MAC_MODE, tp->mac_mode | MAC_MODE_RXSTAT_CLEAR | MAC_MODE_TXSTAT_CLEAR); |
| udelay(40); |
| |
| /* tp->grc_local_ctrl is partially set up during tg3_get_invariants(). |
| * If TG3_FLAG_IS_NIC is zero, we should read the |
| * register to preserve the GPIO settings for LOMs. The GPIOs, |
| * whether used as inputs or outputs, are set by boot code after |
| * reset. |
| */ |
| if (!tg3_flag(tp, IS_NIC)) { |
| u32 gpio_mask; |
| |
| gpio_mask = GRC_LCLCTRL_GPIO_OE0 | GRC_LCLCTRL_GPIO_OE1 | |
| GRC_LCLCTRL_GPIO_OE2 | GRC_LCLCTRL_GPIO_OUTPUT0 | |
| GRC_LCLCTRL_GPIO_OUTPUT1 | GRC_LCLCTRL_GPIO_OUTPUT2; |
| |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752) |
| gpio_mask |= GRC_LCLCTRL_GPIO_OE3 | |
| GRC_LCLCTRL_GPIO_OUTPUT3; |
| |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755) |
| gpio_mask |= GRC_LCLCTRL_GPIO_UART_SEL; |
| |
| tp->grc_local_ctrl &= ~gpio_mask; |
| tp->grc_local_ctrl |= tr32(GRC_LOCAL_CTRL) & gpio_mask; |
| |
| /* GPIO1 must be driven high for eeprom write protect */ |
| if (tg3_flag(tp, EEPROM_WRITE_PROT)) |
| tp->grc_local_ctrl |= (GRC_LCLCTRL_GPIO_OE1 | |
| GRC_LCLCTRL_GPIO_OUTPUT1); |
| } |
| tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl); |
| udelay(100); |
| |
| if (tg3_flag(tp, USING_MSIX) && tp->irq_cnt > 1) { |
| val = tr32(MSGINT_MODE); |
| val |= MSGINT_MODE_MULTIVEC_EN | MSGINT_MODE_ENABLE; |
| tw32(MSGINT_MODE, val); |
| } |
| |
| if (!tg3_flag(tp, 5705_PLUS)) { |
| tw32_f(DMAC_MODE, DMAC_MODE_ENABLE); |
| udelay(40); |
| } |
| |
| val = (WDMAC_MODE_ENABLE | WDMAC_MODE_TGTABORT_ENAB | |
| WDMAC_MODE_MSTABORT_ENAB | WDMAC_MODE_PARITYERR_ENAB | |
| WDMAC_MODE_ADDROFLOW_ENAB | WDMAC_MODE_FIFOOFLOW_ENAB | |
| WDMAC_MODE_FIFOURUN_ENAB | WDMAC_MODE_FIFOOREAD_ENAB | |
| WDMAC_MODE_LNGREAD_ENAB); |
| |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 && |
| tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) { |
| if (tg3_flag(tp, TSO_CAPABLE) && |
| (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 || |
| tp->pci_chip_rev_id == CHIPREV_ID_5705_A2)) { |
| /* nothing */ |
| } else if (!(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH) && |
| !tg3_flag(tp, IS_5788)) { |
| val |= WDMAC_MODE_RX_ACCEL; |
| } |
| } |
| |
| /* Enable host coalescing bug fix */ |
| if (tg3_flag(tp, 5755_PLUS)) |
| val |= WDMAC_MODE_STATUS_TAG_FIX; |
| |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785) |
| val |= WDMAC_MODE_BURST_ALL_DATA; |
| |
| tw32_f(WDMAC_MODE, val); |
| udelay(40); |
| |
| if (tg3_flag(tp, PCIX_MODE)) { |
| u16 pcix_cmd; |
| |
| pci_read_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD, |
| &pcix_cmd); |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703) { |
| pcix_cmd &= ~PCI_X_CMD_MAX_READ; |
| pcix_cmd |= PCI_X_CMD_READ_2K; |
| } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) { |
| pcix_cmd &= ~(PCI_X_CMD_MAX_SPLIT | PCI_X_CMD_MAX_READ); |
| pcix_cmd |= PCI_X_CMD_READ_2K; |
| } |
| pci_write_config_word(tp->pdev, tp->pcix_cap + PCI_X_CMD, |
| pcix_cmd); |
| } |
| |
| tw32_f(RDMAC_MODE, rdmac_mode); |
| udelay(40); |
| |
| tw32(RCVDCC_MODE, RCVDCC_MODE_ENABLE | RCVDCC_MODE_ATTN_ENABLE); |
| if (!tg3_flag(tp, 5705_PLUS)) |
| tw32(MBFREE_MODE, MBFREE_MODE_ENABLE); |
| |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761) |
| tw32(SNDDATAC_MODE, |
| SNDDATAC_MODE_ENABLE | SNDDATAC_MODE_CDELAY); |
| else |
| tw32(SNDDATAC_MODE, SNDDATAC_MODE_ENABLE); |
| |
| tw32(SNDBDC_MODE, SNDBDC_MODE_ENABLE | SNDBDC_MODE_ATTN_ENABLE); |
| tw32(RCVBDI_MODE, RCVBDI_MODE_ENABLE | RCVBDI_MODE_RCB_ATTN_ENAB); |
| val = RCVDBDI_MODE_ENABLE | RCVDBDI_MODE_INV_RING_SZ; |
| if (tg3_flag(tp, LRG_PROD_RING_CAP)) |
| val |= RCVDBDI_MODE_LRG_RING_SZ; |
| tw32(RCVDBDI_MODE, val); |
| tw32(SNDDATAI_MODE, SNDDATAI_MODE_ENABLE); |
| if (tg3_flag(tp, HW_TSO_1) || |
| tg3_flag(tp, HW_TSO_2) || |
| tg3_flag(tp, HW_TSO_3)) |
| tw32(SNDDATAI_MODE, SNDDATAI_MODE_ENABLE | 0x8); |
| val = SNDBDI_MODE_ENABLE | SNDBDI_MODE_ATTN_ENABLE; |
| if (tg3_flag(tp, ENABLE_TSS)) |
| val |= SNDBDI_MODE_MULTI_TXQ_EN; |
| tw32(SNDBDI_MODE, val); |
| tw32(SNDBDS_MODE, SNDBDS_MODE_ENABLE | SNDBDS_MODE_ATTN_ENABLE); |
| |
| if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0) { |
| err = tg3_load_5701_a0_firmware_fix(tp); |
| if (err) |
| return err; |
| } |
| |
| if (tg3_flag(tp, TSO_CAPABLE)) { |
| err = tg3_load_tso_firmware(tp); |
| if (err) |
| return err; |
| } |
| |
| tp->tx_mode = TX_MODE_ENABLE; |
| |
| if (tg3_flag(tp, 5755_PLUS) || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) |
| tp->tx_mode |= TX_MODE_MBUF_LOCKUP_FIX; |
| |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5720) { |
| val = TX_MODE_JMB_FRM_LEN | TX_MODE_CNT_DN_MODE; |
| tp->tx_mode &= ~val; |
| tp->tx_mode |= tr32(MAC_TX_MODE) & val; |
| } |
| |
| tw32_f(MAC_TX_MODE, tp->tx_mode); |
| udelay(100); |
| |
| if (tg3_flag(tp, ENABLE_RSS)) { |
| u32 reg = MAC_RSS_INDIR_TBL_0; |
| u8 *ent = (u8 *)&val; |
| |
| /* Setup the indirection table */ |
| for (i = 0; i < TG3_RSS_INDIR_TBL_SIZE; i++) { |
| int idx = i % sizeof(val); |
| |
| ent[idx] = i % (tp->irq_cnt - 1); |
| if (idx == sizeof(val) - 1) { |
| tw32(reg, val); |
| reg += 4; |
| } |
| } |
| |
| /* Setup the "secret" hash key. */ |
| tw32(MAC_RSS_HASH_KEY_0, 0x5f865437); |
| tw32(MAC_RSS_HASH_KEY_1, 0xe4ac62cc); |
| tw32(MAC_RSS_HASH_KEY_2, 0x50103a45); |
| tw32(MAC_RSS_HASH_KEY_3, 0x36621985); |
| tw32(MAC_RSS_HASH_KEY_4, 0xbf14c0e8); |
| tw32(MAC_RSS_HASH_KEY_5, 0x1bc27a1e); |
| tw32(MAC_RSS_HASH_KEY_6, 0x84f4b556); |
| tw32(MAC_RSS_HASH_KEY_7, 0x094ea6fe); |
| tw32(MAC_RSS_HASH_KEY_8, 0x7dda01e7); |
| tw32(MAC_RSS_HASH_KEY_9, 0xc04d7481); |
| } |
| |
| tp->rx_mode = RX_MODE_ENABLE; |
| if (tg3_flag(tp, 5755_PLUS)) |
| tp->rx_mode |= RX_MODE_IPV6_CSUM_ENABLE; |
| |
| if (tg3_flag(tp, ENABLE_RSS)) |
| tp->rx_mode |= RX_MODE_RSS_ENABLE | |
| RX_MODE_RSS_ITBL_HASH_BITS_7 | |
| RX_MODE_RSS_IPV6_HASH_EN | |
| RX_MODE_RSS_TCP_IPV6_HASH_EN | |
| RX_MODE_RSS_IPV4_HASH_EN | |
| RX_MODE_RSS_TCP_IPV4_HASH_EN; |
| |
| tw32_f(MAC_RX_MODE, tp->rx_mode); |
| udelay(10); |
| |
| tw32(MAC_LED_CTRL, tp->led_ctrl); |
| |
| tw32(MAC_MI_STAT, MAC_MI_STAT_LNKSTAT_ATTN_ENAB); |
| if (tp->phy_flags & TG3_PHYFLG_PHY_SERDES) { |
| tw32_f(MAC_RX_MODE, RX_MODE_RESET); |
| udelay(10); |
| } |
| tw32_f(MAC_RX_MODE, tp->rx_mode); |
| udelay(10); |
| |
| if (tp->phy_flags & TG3_PHYFLG_PHY_SERDES) { |
| if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) && |
| !(tp->phy_flags & TG3_PHYFLG_SERDES_PREEMPHASIS)) { |
| /* Set drive transmission level to 1.2V */ |
| /* only if the signal pre-emphasis bit is not set */ |
| val = tr32(MAC_SERDES_CFG); |
| val &= 0xfffff000; |
| val |= 0x880; |
| tw32(MAC_SERDES_CFG, val); |
| } |
| if (tp->pci_chip_rev_id == CHIPREV_ID_5703_A1) |
| tw32(MAC_SERDES_CFG, 0x616000); |
| } |
| |
| /* Prevent chip from dropping frames when flow control |
| * is enabled. |
| */ |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765) |
| val = 1; |
| else |
| val = 2; |
| tw32_f(MAC_LOW_WMARK_MAX_RX_FRAME, val); |
| |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 && |
| (tp->phy_flags & TG3_PHYFLG_PHY_SERDES)) { |
| /* Use hardware link auto-negotiation */ |
| tg3_flag_set(tp, HW_AUTONEG); |
| } |
| |
| if ((tp->phy_flags & TG3_PHYFLG_MII_SERDES) && |
| (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714)) { |
| u32 tmp; |
| |
| tmp = tr32(SERDES_RX_CTRL); |
| tw32(SERDES_RX_CTRL, tmp | SERDES_RX_SIG_DETECT); |
| tp->grc_local_ctrl &= ~GRC_LCLCTRL_USE_EXT_SIG_DETECT; |
| tp->grc_local_ctrl |= GRC_LCLCTRL_USE_SIG_DETECT; |
| tw32(GRC_LOCAL_CTRL, tp->grc_local_ctrl); |
| } |
| |
| if (!tg3_flag(tp, USE_PHYLIB)) { |
| if (tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER) { |
| tp->phy_flags &= ~TG3_PHYFLG_IS_LOW_POWER; |
| tp->link_config.speed = tp->link_config.orig_speed; |
| tp->link_config.duplex = tp->link_config.orig_duplex; |
| tp->link_config.autoneg = tp->link_config.orig_autoneg; |
| } |
| |
| err = tg3_setup_phy(tp, 0); |
| if (err) |
| return err; |
| |
| if (!(tp->phy_flags & TG3_PHYFLG_PHY_SERDES) && |
| !(tp->phy_flags & TG3_PHYFLG_IS_FET)) { |
| u32 tmp; |
| |
| /* Clear CRC stats. */ |
| if (!tg3_readphy(tp, MII_TG3_TEST1, &tmp)) { |
| tg3_writephy(tp, MII_TG3_TEST1, |
| tmp | MII_TG3_TEST1_CRC_EN); |
| tg3_readphy(tp, MII_TG3_RXR_COUNTERS, &tmp); |
| } |
| } |
| } |
| |
| __tg3_set_rx_mode(tp->dev); |
| |
| /* Initialize receive rules. */ |
| tw32(MAC_RCV_RULE_0, 0xc2000000 & RCV_RULE_DISABLE_MASK); |
| tw32(MAC_RCV_VALUE_0, 0xffffffff & RCV_RULE_DISABLE_MASK); |
| tw32(MAC_RCV_RULE_1, 0x86000004 & RCV_RULE_DISABLE_MASK); |
| tw32(MAC_RCV_VALUE_1, 0xffffffff & RCV_RULE_DISABLE_MASK); |
| |
| if (tg3_flag(tp, 5705_PLUS) && !tg3_flag(tp, 5780_CLASS)) |
| limit = 8; |
| else |
| limit = 16; |
| if (tg3_flag(tp, ENABLE_ASF)) |
| limit -= 4; |
| switch (limit) { |
| case 16: |
| tw32(MAC_RCV_RULE_15, 0); tw32(MAC_RCV_VALUE_15, 0); |
| case 15: |
| tw32(MAC_RCV_RULE_14, 0); tw32(MAC_RCV_VALUE_14, 0); |
| case 14: |
| tw32(MAC_RCV_RULE_13, 0); tw32(MAC_RCV_VALUE_13, 0); |
| case 13: |
| tw32(MAC_RCV_RULE_12, 0); tw32(MAC_RCV_VALUE_12, 0); |
| case 12: |
| tw32(MAC_RCV_RULE_11, 0); tw32(MAC_RCV_VALUE_11, 0); |
| case 11: |
| tw32(MAC_RCV_RULE_10, 0); tw32(MAC_RCV_VALUE_10, 0); |
| case 10: |
| tw32(MAC_RCV_RULE_9, 0); tw32(MAC_RCV_VALUE_9, 0); |
| case 9: |
| tw32(MAC_RCV_RULE_8, 0); tw32(MAC_RCV_VALUE_8, 0); |
| case 8: |
| tw32(MAC_RCV_RULE_7, 0); tw32(MAC_RCV_VALUE_7, 0); |
| case 7: |
| tw32(MAC_RCV_RULE_6, 0); tw32(MAC_RCV_VALUE_6, 0); |
| case 6: |
| tw32(MAC_RCV_RULE_5, 0); tw32(MAC_RCV_VALUE_5, 0); |
| case 5: |
| tw32(MAC_RCV_RULE_4, 0); tw32(MAC_RCV_VALUE_4, 0); |
| case 4: |
| /* tw32(MAC_RCV_RULE_3, 0); tw32(MAC_RCV_VALUE_3, 0); */ |
| case 3: |
| /* tw32(MAC_RCV_RULE_2, 0); tw32(MAC_RCV_VALUE_2, 0); */ |
| case 2: |
| case 1: |
| |
| default: |
| break; |
| } |
| |
| if (tg3_flag(tp, ENABLE_APE)) |
| /* Write our heartbeat update interval to APE. */ |
| tg3_ape_write32(tp, TG3_APE_HOST_HEARTBEAT_INT_MS, |
| APE_HOST_HEARTBEAT_INT_DISABLE); |
| |
| tg3_write_sig_post_reset(tp, RESET_KIND_INIT); |
| |
| return 0; |
| } |
| |
| /* Called at device open time to get the chip ready for |
| * packet processing. Invoked with tp->lock held. |
| */ |
| static int tg3_init_hw(struct tg3 *tp, int reset_phy) |
| { |
| tg3_switch_clocks(tp); |
| |
| tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0); |
| |
| return tg3_reset_hw(tp, reset_phy); |
| } |
| |
| #define TG3_STAT_ADD32(PSTAT, REG) \ |
| do { u32 __val = tr32(REG); \ |
| (PSTAT)->low += __val; \ |
| if ((PSTAT)->low < __val) \ |
| (PSTAT)->high += 1; \ |
| } while (0) |
| |
| static void tg3_periodic_fetch_stats(struct tg3 *tp) |
| { |
| struct tg3_hw_stats *sp = tp->hw_stats; |
| |
| if (!netif_carrier_ok(tp->dev)) |
| return; |
| |
| TG3_STAT_ADD32(&sp->tx_octets, MAC_TX_STATS_OCTETS); |
| TG3_STAT_ADD32(&sp->tx_collisions, MAC_TX_STATS_COLLISIONS); |
| TG3_STAT_ADD32(&sp->tx_xon_sent, MAC_TX_STATS_XON_SENT); |
| TG3_STAT_ADD32(&sp->tx_xoff_sent, MAC_TX_STATS_XOFF_SENT); |
| TG3_STAT_ADD32(&sp->tx_mac_errors, MAC_TX_STATS_MAC_ERRORS); |
| TG3_STAT_ADD32(&sp->tx_single_collisions, MAC_TX_STATS_SINGLE_COLLISIONS); |
| TG3_STAT_ADD32(&sp->tx_mult_collisions, MAC_TX_STATS_MULT_COLLISIONS); |
| TG3_STAT_ADD32(&sp->tx_deferred, MAC_TX_STATS_DEFERRED); |
| TG3_STAT_ADD32(&sp->tx_excessive_collisions, MAC_TX_STATS_EXCESSIVE_COL); |
| TG3_STAT_ADD32(&sp->tx_late_collisions, MAC_TX_STATS_LATE_COL); |
| TG3_STAT_ADD32(&sp->tx_ucast_packets, MAC_TX_STATS_UCAST); |
| TG3_STAT_ADD32(&sp->tx_mcast_packets, MAC_TX_STATS_MCAST); |
| TG3_STAT_ADD32(&sp->tx_bcast_packets, MAC_TX_STATS_BCAST); |
| |
| TG3_STAT_ADD32(&sp->rx_octets, MAC_RX_STATS_OCTETS); |
| TG3_STAT_ADD32(&sp->rx_fragments, MAC_RX_STATS_FRAGMENTS); |
| TG3_STAT_ADD32(&sp->rx_ucast_packets, MAC_RX_STATS_UCAST); |
| TG3_STAT_ADD32(&sp->rx_mcast_packets, MAC_RX_STATS_MCAST); |
| TG3_STAT_ADD32(&sp->rx_bcast_packets, MAC_RX_STATS_BCAST); |
| TG3_STAT_ADD32(&sp->rx_fcs_errors, MAC_RX_STATS_FCS_ERRORS); |
| TG3_STAT_ADD32(&sp->rx_align_errors, MAC_RX_STATS_ALIGN_ERRORS); |
| TG3_STAT_ADD32(&sp->rx_xon_pause_rcvd, MAC_RX_STATS_XON_PAUSE_RECVD); |
| TG3_STAT_ADD32(&sp->rx_xoff_pause_rcvd, MAC_RX_STATS_XOFF_PAUSE_RECVD); |
| TG3_STAT_ADD32(&sp->rx_mac_ctrl_rcvd, MAC_RX_STATS_MAC_CTRL_RECVD); |
| TG3_STAT_ADD32(&sp->rx_xoff_entered, MAC_RX_STATS_XOFF_ENTERED); |
| TG3_STAT_ADD32(&sp->rx_frame_too_long_errors, MAC_RX_STATS_FRAME_TOO_LONG); |
| TG3_STAT_ADD32(&sp->rx_jabbers, MAC_RX_STATS_JABBERS); |
| TG3_STAT_ADD32(&sp->rx_undersize_packets, MAC_RX_STATS_UNDERSIZE); |
| |
| TG3_STAT_ADD32(&sp->rxbds_empty, RCVLPC_NO_RCV_BD_CNT); |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5717) { |
| TG3_STAT_ADD32(&sp->rx_discards, RCVLPC_IN_DISCARDS_CNT); |
| } else { |
| u32 val = tr32(HOSTCC_FLOW_ATTN); |
| val = (val & HOSTCC_FLOW_ATTN_MBUF_LWM) ? 1 : 0; |
| if (val) { |
| tw32(HOSTCC_FLOW_ATTN, HOSTCC_FLOW_ATTN_MBUF_LWM); |
| sp->rx_discards.low += val; |
| if (sp->rx_discards.low < val) |
| sp->rx_discards.high += 1; |
| } |
| sp->mbuf_lwm_thresh_hit = sp->rx_discards; |
| } |
| TG3_STAT_ADD32(&sp->rx_errors, RCVLPC_IN_ERRORS_CNT); |
| } |
| |
| static void tg3_timer(unsigned long __opaque) |
| { |
| struct tg3 *tp = (struct tg3 *) __opaque; |
| |
| if (tp->irq_sync) |
| goto restart_timer; |
| |
| spin_lock(&tp->lock); |
| |
| if (!tg3_flag(tp, TAGGED_STATUS)) { |
| /* All of this garbage is because when using non-tagged |
| * IRQ status the mailbox/status_block protocol the chip |
| * uses with the cpu is race prone. |
| */ |
| if (tp->napi[0].hw_status->status & SD_STATUS_UPDATED) { |
| tw32(GRC_LOCAL_CTRL, |
| tp->grc_local_ctrl | GRC_LCLCTRL_SETINT); |
| } else { |
| tw32(HOSTCC_MODE, tp->coalesce_mode | |
| HOSTCC_MODE_ENABLE | HOSTCC_MODE_NOW); |
| } |
| |
| if (!(tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) { |
| tg3_flag_set(tp, RESTART_TIMER); |
| spin_unlock(&tp->lock); |
| schedule_work(&tp->reset_task); |
| return; |
| } |
| } |
| |
| /* This part only runs once per second. */ |
| if (!--tp->timer_counter) { |
| if (tg3_flag(tp, 5705_PLUS)) |
| tg3_periodic_fetch_stats(tp); |
| |
| if (tp->setlpicnt && !--tp->setlpicnt) { |
| u32 val = tr32(TG3_CPMU_EEE_MODE); |
| tw32(TG3_CPMU_EEE_MODE, |
| val | TG3_CPMU_EEEMD_LPI_ENABLE); |
| } |
| |
| if (tg3_flag(tp, USE_LINKCHG_REG)) { |
| u32 mac_stat; |
| int phy_event; |
| |
| mac_stat = tr32(MAC_STATUS); |
| |
| phy_event = 0; |
| if (tp->phy_flags & TG3_PHYFLG_USE_MI_INTERRUPT) { |
| if (mac_stat & MAC_STATUS_MI_INTERRUPT) |
| phy_event = 1; |
| } else if (mac_stat & MAC_STATUS_LNKSTATE_CHANGED) |
| phy_event = 1; |
| |
| if (phy_event) |
| tg3_setup_phy(tp, 0); |
| } else if (tg3_flag(tp, POLL_SERDES)) { |
| u32 mac_stat = tr32(MAC_STATUS); |
| int need_setup = 0; |
| |
| if (netif_carrier_ok(tp->dev) && |
| (mac_stat & MAC_STATUS_LNKSTATE_CHANGED)) { |
| need_setup = 1; |
| } |
| if (!netif_carrier_ok(tp->dev) && |
| (mac_stat & (MAC_STATUS_PCS_SYNCED | |
| MAC_STATUS_SIGNAL_DET))) { |
| need_setup = 1; |
| } |
| if (need_setup) { |
| if (!tp->serdes_counter) { |
| tw32_f(MAC_MODE, |
| (tp->mac_mode & |
| ~MAC_MODE_PORT_MODE_MASK)); |
| udelay(40); |
| tw32_f(MAC_MODE, tp->mac_mode); |
| udelay(40); |
| } |
| tg3_setup_phy(tp, 0); |
| } |
| } else if ((tp->phy_flags & TG3_PHYFLG_MII_SERDES) && |
| tg3_flag(tp, 5780_CLASS)) { |
| tg3_serdes_parallel_detect(tp); |
| } |
| |
| tp->timer_counter = tp->timer_multiplier; |
| } |
| |
| /* Heartbeat is only sent once every 2 seconds. |
| * |
| * The heartbeat is to tell the ASF firmware that the host |
| * driver is still alive. In the event that the OS crashes, |
| * ASF needs to reset the hardware to free up the FIFO space |
| * that may be filled with rx packets destined for the host. |
| * If the FIFO is full, ASF will no longer function properly. |
| * |
| * Unintended resets have been reported on real time kernels |
| * where the timer doesn't run on time. Netpoll will also have |
| * same problem. |
| * |
| * The new FWCMD_NICDRV_ALIVE3 command tells the ASF firmware |
| * to check the ring condition when the heartbeat is expiring |
| * before doing the reset. This will prevent most unintended |
| * resets. |
| */ |
| if (!--tp->asf_counter) { |
| if (tg3_flag(tp, ENABLE_ASF) && !tg3_flag(tp, ENABLE_APE)) { |
| tg3_wait_for_event_ack(tp); |
| |
| tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX, |
| FWCMD_NICDRV_ALIVE3); |
| tg3_write_mem(tp, NIC_SRAM_FW_CMD_LEN_MBOX, 4); |
| tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX, |
| TG3_FW_UPDATE_TIMEOUT_SEC); |
| |
| tg3_generate_fw_event(tp); |
| } |
| tp->asf_counter = tp->asf_multiplier; |
| } |
| |
| spin_unlock(&tp->lock); |
| |
| restart_timer: |
| tp->timer.expires = jiffies + tp->timer_offset; |
| add_timer(&tp->timer); |
| } |
| |
| static int tg3_request_irq(struct tg3 *tp, int irq_num) |
| { |
| irq_handler_t fn; |
| unsigned long flags; |
| char *name; |
| struct tg3_napi *tnapi = &tp->napi[irq_num]; |
| |
| if (tp->irq_cnt == 1) |
| name = tp->dev->name; |
| else { |
| name = &tnapi->irq_lbl[0]; |
| snprintf(name, IFNAMSIZ, "%s-%d", tp->dev->name, irq_num); |
| name[IFNAMSIZ-1] = 0; |
| } |
| |
| if (tg3_flag(tp, USING_MSI) || tg3_flag(tp, USING_MSIX)) { |
| fn = tg3_msi; |
| if (tg3_flag(tp, 1SHOT_MSI)) |
| fn = tg3_msi_1shot; |
| flags = 0; |
| } else { |
| fn = tg3_interrupt; |
| if (tg3_flag(tp, TAGGED_STATUS)) |
| fn = tg3_interrupt_tagged; |
| flags = IRQF_SHARED; |
| } |
| |
| return request_irq(tnapi->irq_vec, fn, flags, name, tnapi); |
| } |
| |
| static int tg3_test_interrupt(struct tg3 *tp) |
| { |
| struct tg3_napi *tnapi = &tp->napi[0]; |
| struct net_device *dev = tp->dev; |
| int err, i, intr_ok = 0; |
| u32 val; |
| |
| if (!netif_running(dev)) |
| return -ENODEV; |
| |
| tg3_disable_ints(tp); |
| |
| free_irq(tnapi->irq_vec, tnapi); |
| |
| /* |
| * Turn off MSI one shot mode. Otherwise this test has no |
| * observable way to know whether the interrupt was delivered. |
| */ |
| if (tg3_flag(tp, 57765_PLUS) && tg3_flag(tp, USING_MSI)) { |
| val = tr32(MSGINT_MODE) | MSGINT_MODE_ONE_SHOT_DISABLE; |
| tw32(MSGINT_MODE, val); |
| } |
| |
| err = request_irq(tnapi->irq_vec, tg3_test_isr, |
| IRQF_SHARED | IRQF_SAMPLE_RANDOM, dev->name, tnapi); |
| if (err) |
| return err; |
| |
| tnapi->hw_status->status &= ~SD_STATUS_UPDATED; |
| tg3_enable_ints(tp); |
| |
| tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE | |
| tnapi->coal_now); |
| |
| for (i = 0; i < 5; i++) { |
| u32 int_mbox, misc_host_ctrl; |
| |
| int_mbox = tr32_mailbox(tnapi->int_mbox); |
| misc_host_ctrl = tr32(TG3PCI_MISC_HOST_CTRL); |
| |
| if ((int_mbox != 0) || |
| (misc_host_ctrl & MISC_HOST_CTRL_MASK_PCI_INT)) { |
| intr_ok = 1; |
| break; |
| } |
| |
| msleep(10); |
| } |
| |
| tg3_disable_ints(tp); |
| |
| free_irq(tnapi->irq_vec, tnapi); |
| |
| err = tg3_request_irq(tp, 0); |
| |
| if (err) |
| return err; |
| |
| if (intr_ok) { |
| /* Reenable MSI one shot mode. */ |
| if (tg3_flag(tp, 57765_PLUS) && tg3_flag(tp, USING_MSI)) { |
| val = tr32(MSGINT_MODE) & ~MSGINT_MODE_ONE_SHOT_DISABLE; |
| tw32(MSGINT_MODE, val); |
| } |
| return 0; |
| } |
| |
| return -EIO; |
| } |
| |
| /* Returns 0 if MSI test succeeds or MSI test fails and INTx mode is |
| * successfully restored |
| */ |
| static int tg3_test_msi(struct tg3 *tp) |
| { |
| int err; |
| u16 pci_cmd; |
| |
| if (!tg3_flag(tp, USING_MSI)) |
| return 0; |
| |
| /* Turn off SERR reporting in case MSI terminates with Master |
| * Abort. |
| */ |
| pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd); |
| pci_write_config_word(tp->pdev, PCI_COMMAND, |
| pci_cmd & ~PCI_COMMAND_SERR); |
| |
| err = tg3_test_interrupt(tp); |
| |
| pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd); |
| |
| if (!err) |
| return 0; |
| |
| /* other failures */ |
| if (err != -EIO) |
| return err; |
| |
| /* MSI test failed, go back to INTx mode */ |
| netdev_warn(tp->dev, "No interrupt was generated using MSI. Switching " |
| "to INTx mode. Please report this failure to the PCI " |
| "maintainer and include system chipset information\n"); |
| |
| free_irq(tp->napi[0].irq_vec, &tp->napi[0]); |
| |
| pci_disable_msi(tp->pdev); |
| |
| tg3_flag_clear(tp, USING_MSI); |
| tp->napi[0].irq_vec = tp->pdev->irq; |
| |
| err = tg3_request_irq(tp, 0); |
| if (err) |
| return err; |
| |
| /* Need to reset the chip because the MSI cycle may have terminated |
| * with Master Abort. |
| */ |
| tg3_full_lock(tp, 1); |
| |
| tg3_halt(tp, RESET_KIND_SHUTDOWN, 1); |
| err = tg3_init_hw(tp, 1); |
| |
| tg3_full_unlock(tp); |
| |
| if (err) |
| free_irq(tp->napi[0].irq_vec, &tp->napi[0]); |
| |
| return err; |
| } |
| |
| static int tg3_request_firmware(struct tg3 *tp) |
| { |
| const __be32 *fw_data; |
| |
| if (request_firmware(&tp->fw, tp->fw_needed, &tp->pdev->dev)) { |
| netdev_err(tp->dev, "Failed to load firmware \"%s\"\n", |
| tp->fw_needed); |
| return -ENOENT; |
| } |
| |
| fw_data = (void *)tp->fw->data; |
| |
| /* Firmware blob starts with version numbers, followed by |
| * start address and _full_ length including BSS sections |
| * (which must be longer than the actual data, of course |
| */ |
| |
| tp->fw_len = be32_to_cpu(fw_data[2]); /* includes bss */ |
| if (tp->fw_len < (tp->fw->size - 12)) { |
| netdev_err(tp->dev, "bogus length %d in \"%s\"\n", |
| tp->fw_len, tp->fw_needed); |
| release_firmware(tp->fw); |
| tp->fw = NULL; |
| return -EINVAL; |
| } |
| |
| /* We no longer need firmware; we have it. */ |
| tp->fw_needed = NULL; |
| return 0; |
| } |
| |
| static bool tg3_enable_msix(struct tg3 *tp) |
| { |
| int i, rc, cpus = num_online_cpus(); |
| struct msix_entry msix_ent[tp->irq_max]; |
| |
| if (cpus == 1) |
| /* Just fallback to the simpler MSI mode. */ |
| return false; |
| |
| /* |
| * We want as many rx rings enabled as there are cpus. |
| * The first MSIX vector only deals with link interrupts, etc, |
| * so we add one to the number of vectors we are requesting. |
| */ |
| tp->irq_cnt = min_t(unsigned, cpus + 1, tp->irq_max); |
| |
| for (i = 0; i < tp->irq_max; i++) { |
| msix_ent[i].entry = i; |
| msix_ent[i].vector = 0; |
| } |
| |
| rc = pci_enable_msix(tp->pdev, msix_ent, tp->irq_cnt); |
| if (rc < 0) { |
| return false; |
| } else if (rc != 0) { |
| if (pci_enable_msix(tp->pdev, msix_ent, rc)) |
| return false; |
| netdev_notice(tp->dev, "Requested %d MSI-X vectors, received %d\n", |
| tp->irq_cnt, rc); |
| tp->irq_cnt = rc; |
| } |
| |
| for (i = 0; i < tp->irq_max; i++) |
| tp->napi[i].irq_vec = msix_ent[i].vector; |
| |
| netif_set_real_num_tx_queues(tp->dev, 1); |
| rc = tp->irq_cnt > 1 ? tp->irq_cnt - 1 : 1; |
| if (netif_set_real_num_rx_queues(tp->dev, rc)) { |
| pci_disable_msix(tp->pdev); |
| return false; |
| } |
| |
| if (tp->irq_cnt > 1) { |
| tg3_flag_set(tp, ENABLE_RSS); |
| |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5719 || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5720) { |
| tg3_flag_set(tp, ENABLE_TSS); |
| netif_set_real_num_tx_queues(tp->dev, tp->irq_cnt - 1); |
| } |
| } |
| |
| return true; |
| } |
| |
| static void tg3_ints_init(struct tg3 *tp) |
| { |
| if ((tg3_flag(tp, SUPPORT_MSI) || tg3_flag(tp, SUPPORT_MSIX)) && |
| !tg3_flag(tp, TAGGED_STATUS)) { |
| /* All MSI supporting chips should support tagged |
| * status. Assert that this is the case. |
| */ |
| netdev_warn(tp->dev, |
| "MSI without TAGGED_STATUS? Not using MSI\n"); |
| goto defcfg; |
| } |
| |
| if (tg3_flag(tp, SUPPORT_MSIX) && tg3_enable_msix(tp)) |
| tg3_flag_set(tp, USING_MSIX); |
| else if (tg3_flag(tp, SUPPORT_MSI) && pci_enable_msi(tp->pdev) == 0) |
| tg3_flag_set(tp, USING_MSI); |
| |
| if (tg3_flag(tp, USING_MSI) || tg3_flag(tp, USING_MSIX)) { |
| u32 msi_mode = tr32(MSGINT_MODE); |
| if (tg3_flag(tp, USING_MSIX) && tp->irq_cnt > 1) |
| msi_mode |= MSGINT_MODE_MULTIVEC_EN; |
| tw32(MSGINT_MODE, msi_mode | MSGINT_MODE_ENABLE); |
| } |
| defcfg: |
| if (!tg3_flag(tp, USING_MSIX)) { |
| tp->irq_cnt = 1; |
| tp->napi[0].irq_vec = tp->pdev->irq; |
| netif_set_real_num_tx_queues(tp->dev, 1); |
| netif_set_real_num_rx_queues(tp->dev, 1); |
| } |
| } |
| |
| static void tg3_ints_fini(struct tg3 *tp) |
| { |
| if (tg3_flag(tp, USING_MSIX)) |
| pci_disable_msix(tp->pdev); |
| else if (tg3_flag(tp, USING_MSI)) |
| pci_disable_msi(tp->pdev); |
| tg3_flag_clear(tp, USING_MSI); |
| tg3_flag_clear(tp, USING_MSIX); |
| tg3_flag_clear(tp, ENABLE_RSS); |
| tg3_flag_clear(tp, ENABLE_TSS); |
| } |
| |
| static int tg3_open(struct net_device *dev) |
| { |
| struct tg3 *tp = netdev_priv(dev); |
| int i, err; |
| |
| if (tp->fw_needed) { |
| err = tg3_request_firmware(tp); |
| if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0) { |
| if (err) |
| return err; |
| } else if (err) { |
| netdev_warn(tp->dev, "TSO capability disabled\n"); |
| tg3_flag_clear(tp, TSO_CAPABLE); |
| } else if (!tg3_flag(tp, TSO_CAPABLE)) { |
| netdev_notice(tp->dev, "TSO capability restored\n"); |
| tg3_flag_set(tp, TSO_CAPABLE); |
| } |
| } |
| |
| netif_carrier_off(tp->dev); |
| |
| err = tg3_power_up(tp); |
| if (err) |
| return err; |
| |
| tg3_full_lock(tp, 0); |
| |
| tg3_disable_ints(tp); |
| tg3_flag_clear(tp, INIT_COMPLETE); |
| |
| tg3_full_unlock(tp); |
| |
| /* |
| * Setup interrupts first so we know how |
| * many NAPI resources to allocate |
| */ |
| tg3_ints_init(tp); |
| |
| /* The placement of this call is tied |
| * to the setup and use of Host TX descriptors. |
| */ |
| err = tg3_alloc_consistent(tp); |
| if (err) |
| goto err_out1; |
| |
| tg3_napi_init(tp); |
| |
| tg3_napi_enable(tp); |
| |
| for (i = 0; i < tp->irq_cnt; i++) { |
| struct tg3_napi *tnapi = &tp->napi[i]; |
| err = tg3_request_irq(tp, i); |
| if (err) { |
| for (i--; i >= 0; i--) |
| free_irq(tnapi->irq_vec, tnapi); |
| break; |
| } |
| } |
| |
| if (err) |
| goto err_out2; |
| |
| tg3_full_lock(tp, 0); |
| |
| err = tg3_init_hw(tp, 1); |
| if (err) { |
| tg3_halt(tp, RESET_KIND_SHUTDOWN, 1); |
| tg3_free_rings(tp); |
| } else { |
| if (tg3_flag(tp, TAGGED_STATUS)) |
| tp->timer_offset = HZ; |
| else |
| tp->timer_offset = HZ / 10; |
| |
| BUG_ON(tp->timer_offset > HZ); |
| tp->timer_counter = tp->timer_multiplier = |
| (HZ / tp->timer_offset); |
| tp->asf_counter = tp->asf_multiplier = |
| ((HZ / tp->timer_offset) * 2); |
| |
| init_timer(&tp->timer); |
| tp->timer.expires = jiffies + tp->timer_offset; |
| tp->timer.data = (unsigned long) tp; |
| tp->timer.function = tg3_timer; |
| } |
| |
| tg3_full_unlock(tp); |
| |
| if (err) |
| goto err_out3; |
| |
| if (tg3_flag(tp, USING_MSI)) { |
| err = tg3_test_msi(tp); |
| |
| if (err) { |
| tg3_full_lock(tp, 0); |
| tg3_halt(tp, RESET_KIND_SHUTDOWN, 1); |
| tg3_free_rings(tp); |
| tg3_full_unlock(tp); |
| |
| goto err_out2; |
| } |
| |
| if (!tg3_flag(tp, 57765_PLUS) && tg3_flag(tp, USING_MSI)) { |
| u32 val = tr32(PCIE_TRANSACTION_CFG); |
| |
| tw32(PCIE_TRANSACTION_CFG, |
| val | PCIE_TRANS_CFG_1SHOT_MSI); |
| } |
| } |
| |
| tg3_phy_start(tp); |
| |
| tg3_full_lock(tp, 0); |
| |
| add_timer(&tp->timer); |
| tg3_flag_set(tp, INIT_COMPLETE); |
| tg3_enable_ints(tp); |
| |
| tg3_full_unlock(tp); |
| |
| netif_tx_start_all_queues(dev); |
| |
| /* |
| * Reset loopback feature if it was turned on while the device was down |
| * make sure that it's installed properly now. |
| */ |
| if (dev->features & NETIF_F_LOOPBACK) |
| tg3_set_loopback(dev, dev->features); |
| |
| return 0; |
| |
| err_out3: |
| for (i = tp->irq_cnt - 1; i >= 0; i--) { |
| struct tg3_napi *tnapi = &tp->napi[i]; |
| free_irq(tnapi->irq_vec, tnapi); |
| } |
| |
| err_out2: |
| tg3_napi_disable(tp); |
| tg3_napi_fini(tp); |
| tg3_free_consistent(tp); |
| |
| err_out1: |
| tg3_ints_fini(tp); |
| return err; |
| } |
| |
| static struct rtnl_link_stats64 *tg3_get_stats64(struct net_device *, |
| struct rtnl_link_stats64 *); |
| static struct tg3_ethtool_stats *tg3_get_estats(struct tg3 *); |
| |
| static int tg3_close(struct net_device *dev) |
| { |
| int i; |
| struct tg3 *tp = netdev_priv(dev); |
| |
| tg3_napi_disable(tp); |
| cancel_work_sync(&tp->reset_task); |
| |
| netif_tx_stop_all_queues(dev); |
| |
| del_timer_sync(&tp->timer); |
| |
| tg3_phy_stop(tp); |
| |
| tg3_full_lock(tp, 1); |
| |
| tg3_disable_ints(tp); |
| |
| tg3_halt(tp, RESET_KIND_SHUTDOWN, 1); |
| tg3_free_rings(tp); |
| tg3_flag_clear(tp, INIT_COMPLETE); |
| |
| tg3_full_unlock(tp); |
| |
| for (i = tp->irq_cnt - 1; i >= 0; i--) { |
| struct tg3_napi *tnapi = &tp->napi[i]; |
| free_irq(tnapi->irq_vec, tnapi); |
| } |
| |
| tg3_ints_fini(tp); |
| |
| tg3_get_stats64(tp->dev, &tp->net_stats_prev); |
| |
| memcpy(&tp->estats_prev, tg3_get_estats(tp), |
| sizeof(tp->estats_prev)); |
| |
| tg3_napi_fini(tp); |
| |
| tg3_free_consistent(tp); |
| |
| tg3_power_down(tp); |
| |
| netif_carrier_off(tp->dev); |
| |
| return 0; |
| } |
| |
| static inline u64 get_stat64(tg3_stat64_t *val) |
| { |
| return ((u64)val->high << 32) | ((u64)val->low); |
| } |
| |
| static u64 calc_crc_errors(struct tg3 *tp) |
| { |
| struct tg3_hw_stats *hw_stats = tp->hw_stats; |
| |
| if (!(tp->phy_flags & TG3_PHYFLG_PHY_SERDES) && |
| (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) { |
| u32 val; |
| |
| spin_lock_bh(&tp->lock); |
| if (!tg3_readphy(tp, MII_TG3_TEST1, &val)) { |
| tg3_writephy(tp, MII_TG3_TEST1, |
| val | MII_TG3_TEST1_CRC_EN); |
| tg3_readphy(tp, MII_TG3_RXR_COUNTERS, &val); |
| } else |
| val = 0; |
| spin_unlock_bh(&tp->lock); |
| |
| tp->phy_crc_errors += val; |
| |
| return tp->phy_crc_errors; |
| } |
| |
| return get_stat64(&hw_stats->rx_fcs_errors); |
| } |
| |
| #define ESTAT_ADD(member) \ |
| estats->member = old_estats->member + \ |
| get_stat64(&hw_stats->member) |
| |
| static struct tg3_ethtool_stats *tg3_get_estats(struct tg3 *tp) |
| { |
| struct tg3_ethtool_stats *estats = &tp->estats; |
| struct tg3_ethtool_stats *old_estats = &tp->estats_prev; |
| struct tg3_hw_stats *hw_stats = tp->hw_stats; |
| |
| if (!hw_stats) |
| return old_estats; |
| |
| ESTAT_ADD(rx_octets); |
| ESTAT_ADD(rx_fragments); |
| ESTAT_ADD(rx_ucast_packets); |
| ESTAT_ADD(rx_mcast_packets); |
| ESTAT_ADD(rx_bcast_packets); |
| ESTAT_ADD(rx_fcs_errors); |
| ESTAT_ADD(rx_align_errors); |
| ESTAT_ADD(rx_xon_pause_rcvd); |
| ESTAT_ADD(rx_xoff_pause_rcvd); |
| ESTAT_ADD(rx_mac_ctrl_rcvd); |
| ESTAT_ADD(rx_xoff_entered); |
| ESTAT_ADD(rx_frame_too_long_errors); |
| ESTAT_ADD(rx_jabbers); |
| ESTAT_ADD(rx_undersize_packets); |
| ESTAT_ADD(rx_in_length_errors); |
| ESTAT_ADD(rx_out_length_errors); |
| ESTAT_ADD(rx_64_or_less_octet_packets); |
| ESTAT_ADD(rx_65_to_127_octet_packets); |
| ESTAT_ADD(rx_128_to_255_octet_packets); |
| ESTAT_ADD(rx_256_to_511_octet_packets); |
| ESTAT_ADD(rx_512_to_1023_octet_packets); |
| ESTAT_ADD(rx_1024_to_1522_octet_packets); |
| ESTAT_ADD(rx_1523_to_2047_octet_packets); |
| ESTAT_ADD(rx_2048_to_4095_octet_packets); |
| ESTAT_ADD(rx_4096_to_8191_octet_packets); |
| ESTAT_ADD(rx_8192_to_9022_octet_packets); |
| |
| ESTAT_ADD(tx_octets); |
| ESTAT_ADD(tx_collisions); |
| ESTAT_ADD(tx_xon_sent); |
| ESTAT_ADD(tx_xoff_sent); |
| ESTAT_ADD(tx_flow_control); |
| ESTAT_ADD(tx_mac_errors); |
| ESTAT_ADD(tx_single_collisions); |
| ESTAT_ADD(tx_mult_collisions); |
| ESTAT_ADD(tx_deferred); |
| ESTAT_ADD(tx_excessive_collisions); |
| ESTAT_ADD(tx_late_collisions); |
| ESTAT_ADD(tx_collide_2times); |
| ESTAT_ADD(tx_collide_3times); |
| ESTAT_ADD(tx_collide_4times); |
| ESTAT_ADD(tx_collide_5times); |
| ESTAT_ADD(tx_collide_6times); |
| ESTAT_ADD(tx_collide_7times); |
| ESTAT_ADD(tx_collide_8times); |
| ESTAT_ADD(tx_collide_9times); |
| ESTAT_ADD(tx_collide_10times); |
| ESTAT_ADD(tx_collide_11times); |
| ESTAT_ADD(tx_collide_12times); |
| ESTAT_ADD(tx_collide_13times); |
| ESTAT_ADD(tx_collide_14times); |
| ESTAT_ADD(tx_collide_15times); |
| ESTAT_ADD(tx_ucast_packets); |
| ESTAT_ADD(tx_mcast_packets); |
| ESTAT_ADD(tx_bcast_packets); |
| ESTAT_ADD(tx_carrier_sense_errors); |
| ESTAT_ADD(tx_discards); |
| ESTAT_ADD(tx_errors); |
| |
| ESTAT_ADD(dma_writeq_full); |
| ESTAT_ADD(dma_write_prioq_full); |
| ESTAT_ADD(rxbds_empty); |
| ESTAT_ADD(rx_discards); |
| ESTAT_ADD(rx_errors); |
| ESTAT_ADD(rx_threshold_hit); |
| |
| ESTAT_ADD(dma_readq_full); |
| ESTAT_ADD(dma_read_prioq_full); |
| ESTAT_ADD(tx_comp_queue_full); |
| |
| ESTAT_ADD(ring_set_send_prod_index); |
| ESTAT_ADD(ring_status_update); |
| ESTAT_ADD(nic_irqs); |
| ESTAT_ADD(nic_avoided_irqs); |
| ESTAT_ADD(nic_tx_threshold_hit); |
| |
| return estats; |
| } |
| |
| static struct rtnl_link_stats64 *tg3_get_stats64(struct net_device *dev, |
| struct rtnl_link_stats64 *stats) |
| { |
| struct tg3 *tp = netdev_priv(dev); |
| struct rtnl_link_stats64 *old_stats = &tp->net_stats_prev; |
| struct tg3_hw_stats *hw_stats = tp->hw_stats; |
| |
| if (!hw_stats) |
| return old_stats; |
| |
| stats->rx_packets = old_stats->rx_packets + |
| get_stat64(&hw_stats->rx_ucast_packets) + |
| get_stat64(&hw_stats->rx_mcast_packets) + |
| get_stat64(&hw_stats->rx_bcast_packets); |
| |
| stats->tx_packets = old_stats->tx_packets + |
| get_stat64(&hw_stats->tx_ucast_packets) + |
| get_stat64(&hw_stats->tx_mcast_packets) + |
| get_stat64(&hw_stats->tx_bcast_packets); |
| |
| stats->rx_bytes = old_stats->rx_bytes + |
| get_stat64(&hw_stats->rx_octets); |
| stats->tx_bytes = old_stats->tx_bytes + |
| get_stat64(&hw_stats->tx_octets); |
| |
| stats->rx_errors = old_stats->rx_errors + |
| get_stat64(&hw_stats->rx_errors); |
| stats->tx_errors = old_stats->tx_errors + |
| get_stat64(&hw_stats->tx_errors) + |
| get_stat64(&hw_stats->tx_mac_errors) + |
| get_stat64(&hw_stats->tx_carrier_sense_errors) + |
| get_stat64(&hw_stats->tx_discards); |
| |
| stats->multicast = old_stats->multicast + |
| get_stat64(&hw_stats->rx_mcast_packets); |
| stats->collisions = old_stats->collisions + |
| get_stat64(&hw_stats->tx_collisions); |
| |
| stats->rx_length_errors = old_stats->rx_length_errors + |
| get_stat64(&hw_stats->rx_frame_too_long_errors) + |
| get_stat64(&hw_stats->rx_undersize_packets); |
| |
| stats->rx_over_errors = old_stats->rx_over_errors + |
| get_stat64(&hw_stats->rxbds_empty); |
| stats->rx_frame_errors = old_stats->rx_frame_errors + |
| get_stat64(&hw_stats->rx_align_errors); |
| stats->tx_aborted_errors = old_stats->tx_aborted_errors + |
| get_stat64(&hw_stats->tx_discards); |
| stats->tx_carrier_errors = old_stats->tx_carrier_errors + |
| get_stat64(&hw_stats->tx_carrier_sense_errors); |
| |
| stats->rx_crc_errors = old_stats->rx_crc_errors + |
| calc_crc_errors(tp); |
| |
| stats->rx_missed_errors = old_stats->rx_missed_errors + |
| get_stat64(&hw_stats->rx_discards); |
| |
| stats->rx_dropped = tp->rx_dropped; |
| |
| return stats; |
| } |
| |
| static inline u32 calc_crc(unsigned char *buf, int len) |
| { |
| u32 reg; |
| u32 tmp; |
| int j, k; |
| |
| reg = 0xffffffff; |
| |
| for (j = 0; j < len; j++) { |
| reg ^= buf[j]; |
| |
| for (k = 0; k < 8; k++) { |
| tmp = reg & 0x01; |
| |
| reg >>= 1; |
| |
| if (tmp) |
| reg ^= 0xedb88320; |
| } |
| } |
| |
| return ~reg; |
| } |
| |
| static void tg3_set_multi(struct tg3 *tp, unsigned int accept_all) |
| { |
| /* accept or reject all multicast frames */ |
| tw32(MAC_HASH_REG_0, accept_all ? 0xffffffff : 0); |
| tw32(MAC_HASH_REG_1, accept_all ? 0xffffffff : 0); |
| tw32(MAC_HASH_REG_2, accept_all ? 0xffffffff : 0); |
| tw32(MAC_HASH_REG_3, accept_all ? 0xffffffff : 0); |
| } |
| |
| static void __tg3_set_rx_mode(struct net_device *dev) |
| { |
| struct tg3 *tp = netdev_priv(dev); |
| u32 rx_mode; |
| |
| rx_mode = tp->rx_mode & ~(RX_MODE_PROMISC | |
| RX_MODE_KEEP_VLAN_TAG); |
| |
| #if !defined(CONFIG_VLAN_8021Q) && !defined(CONFIG_VLAN_8021Q_MODULE) |
| /* When ASF is in use, we always keep the RX_MODE_KEEP_VLAN_TAG |
| * flag clear. |
| */ |
| if (!tg3_flag(tp, ENABLE_ASF)) |
| rx_mode |= RX_MODE_KEEP_VLAN_TAG; |
| #endif |
| |
| if (dev->flags & IFF_PROMISC) { |
| /* Promiscuous mode. */ |
| rx_mode |= RX_MODE_PROMISC; |
| } else if (dev->flags & IFF_ALLMULTI) { |
| /* Accept all multicast. */ |
| tg3_set_multi(tp, 1); |
| } else if (netdev_mc_empty(dev)) { |
| /* Reject all multicast. */ |
| tg3_set_multi(tp, 0); |
| } else { |
| /* Accept one or more multicast(s). */ |
| struct netdev_hw_addr *ha; |
| u32 mc_filter[4] = { 0, }; |
| u32 regidx; |
| u32 bit; |
| u32 crc; |
| |
| netdev_for_each_mc_addr(ha, dev) { |
| crc = calc_crc(ha->addr, ETH_ALEN); |
| bit = ~crc & 0x7f; |
| regidx = (bit & 0x60) >> 5; |
| bit &= 0x1f; |
| mc_filter[regidx] |= (1 << bit); |
| } |
| |
| tw32(MAC_HASH_REG_0, mc_filter[0]); |
| tw32(MAC_HASH_REG_1, mc_filter[1]); |
| tw32(MAC_HASH_REG_2, mc_filter[2]); |
| tw32(MAC_HASH_REG_3, mc_filter[3]); |
| } |
| |
| if (rx_mode != tp->rx_mode) { |
| tp->rx_mode = rx_mode; |
| tw32_f(MAC_RX_MODE, rx_mode); |
| udelay(10); |
| } |
| } |
| |
| static void tg3_set_rx_mode(struct net_device *dev) |
| { |
| struct tg3 *tp = netdev_priv(dev); |
| |
| if (!netif_running(dev)) |
| return; |
| |
| tg3_full_lock(tp, 0); |
| __tg3_set_rx_mode(dev); |
| tg3_full_unlock(tp); |
| } |
| |
| static int tg3_get_regs_len(struct net_device *dev) |
| { |
| return TG3_REG_BLK_SIZE; |
| } |
| |
| static void tg3_get_regs(struct net_device *dev, |
| struct ethtool_regs *regs, void *_p) |
| { |
| struct tg3 *tp = netdev_priv(dev); |
| |
| regs->version = 0; |
| |
| memset(_p, 0, TG3_REG_BLK_SIZE); |
| |
| if (tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER) |
| return; |
| |
| tg3_full_lock(tp, 0); |
| |
| tg3_dump_legacy_regs(tp, (u32 *)_p); |
| |
| tg3_full_unlock(tp); |
| } |
| |
| static int tg3_get_eeprom_len(struct net_device *dev) |
| { |
| struct tg3 *tp = netdev_priv(dev); |
| |
| return tp->nvram_size; |
| } |
| |
| static int tg3_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *data) |
| { |
| struct tg3 *tp = netdev_priv(dev); |
| int ret; |
| u8 *pd; |
| u32 i, offset, len, b_offset, b_count; |
| __be32 val; |
| |
| if (tg3_flag(tp, NO_NVRAM)) |
| return -EINVAL; |
| |
| if (tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER) |
| return -EAGAIN; |
| |
| offset = eeprom->offset; |
| len = eeprom->len; |
| eeprom->len = 0; |
| |
| eeprom->magic = TG3_EEPROM_MAGIC; |
| |
| if (offset & 3) { |
| /* adjustments to start on required 4 byte boundary */ |
| b_offset = offset & 3; |
| b_count = 4 - b_offset; |
| if (b_count > len) { |
| /* i.e. offset=1 len=2 */ |
| b_count = len; |
| } |
| ret = tg3_nvram_read_be32(tp, offset-b_offset, &val); |
| if (ret) |
| return ret; |
| memcpy(data, ((char *)&val) + b_offset, b_count); |
| len -= b_count; |
| offset += b_count; |
| eeprom->len += b_count; |
| } |
| |
| /* read bytes up to the last 4 byte boundary */ |
| pd = &data[eeprom->len]; |
| for (i = 0; i < (len - (len & 3)); i += 4) { |
| ret = tg3_nvram_read_be32(tp, offset + i, &val); |
| if (ret) { |
| eeprom->len += i; |
| return ret; |
| } |
| memcpy(pd + i, &val, 4); |
| } |
| eeprom->len += i; |
| |
| if (len & 3) { |
| /* read last bytes not ending on 4 byte boundary */ |
| pd = &data[eeprom->len]; |
| b_count = len & 3; |
| b_offset = offset + len - b_count; |
| ret = tg3_nvram_read_be32(tp, b_offset, &val); |
| if (ret) |
| return ret; |
| memcpy(pd, &val, b_count); |
| eeprom->len += b_count; |
| } |
| return 0; |
| } |
| |
| static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf); |
| |
| static int tg3_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom, u8 *data) |
| { |
| struct tg3 *tp = netdev_priv(dev); |
| int ret; |
| u32 offset, len, b_offset, odd_len; |
| u8 *buf; |
| __be32 start, end; |
| |
| if (tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER) |
| return -EAGAIN; |
| |
| if (tg3_flag(tp, NO_NVRAM) || |
| eeprom->magic != TG3_EEPROM_MAGIC) |
| return -EINVAL; |
| |
| offset = eeprom->offset; |
| len = eeprom->len; |
| |
| if ((b_offset = (offset & 3))) { |
| /* adjustments to start on required 4 byte boundary */ |
| ret = tg3_nvram_read_be32(tp, offset-b_offset, &start); |
| if (ret) |
| return ret; |
| len += b_offset; |
| offset &= ~3; |
| if (len < 4) |
| len = 4; |
| } |
| |
| odd_len = 0; |
| if (len & 3) { |
| /* adjustments to end on required 4 byte boundary */ |
| odd_len = 1; |
| len = (len + 3) & ~3; |
| ret = tg3_nvram_read_be32(tp, offset+len-4, &end); |
| if (ret) |
| return ret; |
| } |
| |
| buf = data; |
| if (b_offset || odd_len) { |
| buf = kmalloc(len, GFP_KERNEL); |
| if (!buf) |
| return -ENOMEM; |
| if (b_offset) |
| memcpy(buf, &start, 4); |
| if (odd_len) |
| memcpy(buf+len-4, &end, 4); |
| memcpy(buf + b_offset, data, eeprom->len); |
| } |
| |
| ret = tg3_nvram_write_block(tp, offset, len, buf); |
| |
| if (buf != data) |
| kfree(buf); |
| |
| return ret; |
| } |
| |
| static int tg3_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) |
| { |
| struct tg3 *tp = netdev_priv(dev); |
| |
| if (tg3_flag(tp, USE_PHYLIB)) { |
| struct phy_device *phydev; |
| if (!(tp->phy_flags & TG3_PHYFLG_IS_CONNECTED)) |
| return -EAGAIN; |
| phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR]; |
| return phy_ethtool_gset(phydev, cmd); |
| } |
| |
| cmd->supported = (SUPPORTED_Autoneg); |
| |
| if (!(tp->phy_flags & TG3_PHYFLG_10_100_ONLY)) |
| cmd->supported |= (SUPPORTED_1000baseT_Half | |
| SUPPORTED_1000baseT_Full); |
| |
| if (!(tp->phy_flags & TG3_PHYFLG_ANY_SERDES)) { |
| cmd->supported |= (SUPPORTED_100baseT_Half | |
| SUPPORTED_100baseT_Full | |
| SUPPORTED_10baseT_Half | |
| SUPPORTED_10baseT_Full | |
| SUPPORTED_TP); |
| cmd->port = PORT_TP; |
| } else { |
| cmd->supported |= SUPPORTED_FIBRE; |
| cmd->port = PORT_FIBRE; |
| } |
| |
| cmd->advertising = tp->link_config.advertising; |
| if (netif_running(dev)) { |
| ethtool_cmd_speed_set(cmd, tp->link_config.active_speed); |
| cmd->duplex = tp->link_config.active_duplex; |
| } else { |
| ethtool_cmd_speed_set(cmd, SPEED_INVALID); |
| cmd->duplex = DUPLEX_INVALID; |
| } |
| cmd->phy_address = tp->phy_addr; |
| cmd->transceiver = XCVR_INTERNAL; |
| cmd->autoneg = tp->link_config.autoneg; |
| cmd->maxtxpkt = 0; |
| cmd->maxrxpkt = 0; |
| return 0; |
| } |
| |
| static int tg3_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) |
| { |
| struct tg3 *tp = netdev_priv(dev); |
| u32 speed = ethtool_cmd_speed(cmd); |
| |
| if (tg3_flag(tp, USE_PHYLIB)) { |
| struct phy_device *phydev; |
| if (!(tp->phy_flags & TG3_PHYFLG_IS_CONNECTED)) |
| return -EAGAIN; |
| phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR]; |
| return phy_ethtool_sset(phydev, cmd); |
| } |
| |
| if (cmd->autoneg != AUTONEG_ENABLE && |
| cmd->autoneg != AUTONEG_DISABLE) |
| return -EINVAL; |
| |
| if (cmd->autoneg == AUTONEG_DISABLE && |
| cmd->duplex != DUPLEX_FULL && |
| cmd->duplex != DUPLEX_HALF) |
| return -EINVAL; |
| |
| if (cmd->autoneg == AUTONEG_ENABLE) { |
| u32 mask = ADVERTISED_Autoneg | |
| ADVERTISED_Pause | |
| ADVERTISED_Asym_Pause; |
| |
| if (!(tp->phy_flags & TG3_PHYFLG_10_100_ONLY)) |
| mask |= ADVERTISED_1000baseT_Half | |
| ADVERTISED_1000baseT_Full; |
| |
| if (!(tp->phy_flags & TG3_PHYFLG_ANY_SERDES)) |
| mask |= ADVERTISED_100baseT_Half | |
| ADVERTISED_100baseT_Full | |
| ADVERTISED_10baseT_Half | |
| ADVERTISED_10baseT_Full | |
| ADVERTISED_TP; |
| else |
| mask |= ADVERTISED_FIBRE; |
| |
| if (cmd->advertising & ~mask) |
| return -EINVAL; |
| |
| mask &= (ADVERTISED_1000baseT_Half | |
| ADVERTISED_1000baseT_Full | |
| ADVERTISED_100baseT_Half | |
| ADVERTISED_100baseT_Full | |
| ADVERTISED_10baseT_Half | |
| ADVERTISED_10baseT_Full); |
| |
| cmd->advertising &= mask; |
| } else { |
| if (tp->phy_flags & TG3_PHYFLG_ANY_SERDES) { |
| if (speed != SPEED_1000) |
| return -EINVAL; |
| |
| if (cmd->duplex != DUPLEX_FULL) |
| return -EINVAL; |
| } else { |
| if (speed != SPEED_100 && |
| speed != SPEED_10) |
| return -EINVAL; |
| } |
| } |
| |
| tg3_full_lock(tp, 0); |
| |
| tp->link_config.autoneg = cmd->autoneg; |
| if (cmd->autoneg == AUTONEG_ENABLE) { |
| tp->link_config.advertising = (cmd->advertising | |
| ADVERTISED_Autoneg); |
| tp->link_config.speed = SPEED_INVALID; |
| tp->link_config.duplex = DUPLEX_INVALID; |
| } else { |
| tp->link_config.advertising = 0; |
| tp->link_config.speed = speed; |
| tp->link_config.duplex = cmd->duplex; |
| } |
| |
| tp->link_config.orig_speed = tp->link_config.speed; |
| tp->link_config.orig_duplex = tp->link_config.duplex; |
| tp->link_config.orig_autoneg = tp->link_config.autoneg; |
| |
| if (netif_running(dev)) |
| tg3_setup_phy(tp, 1); |
| |
| tg3_full_unlock(tp); |
| |
| return 0; |
| } |
| |
| static void tg3_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) |
| { |
| struct tg3 *tp = netdev_priv(dev); |
| |
| strcpy(info->driver, DRV_MODULE_NAME); |
| strcpy(info->version, DRV_MODULE_VERSION); |
| strcpy(info->fw_version, tp->fw_ver); |
| strcpy(info->bus_info, pci_name(tp->pdev)); |
| } |
| |
| static void tg3_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) |
| { |
| struct tg3 *tp = netdev_priv(dev); |
| |
| if (tg3_flag(tp, WOL_CAP) && device_can_wakeup(&tp->pdev->dev)) |
| wol->supported = WAKE_MAGIC; |
| else |
| wol->supported = 0; |
| wol->wolopts = 0; |
| if (tg3_flag(tp, WOL_ENABLE) && device_can_wakeup(&tp->pdev->dev)) |
| wol->wolopts = WAKE_MAGIC; |
| memset(&wol->sopass, 0, sizeof(wol->sopass)); |
| } |
| |
| static int tg3_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) |
| { |
| struct tg3 *tp = netdev_priv(dev); |
| struct device *dp = &tp->pdev->dev; |
| |
| if (wol->wolopts & ~WAKE_MAGIC) |
| return -EINVAL; |
| if ((wol->wolopts & WAKE_MAGIC) && |
| !(tg3_flag(tp, WOL_CAP) && device_can_wakeup(dp))) |
| return -EINVAL; |
| |
| device_set_wakeup_enable(dp, wol->wolopts & WAKE_MAGIC); |
| |
| spin_lock_bh(&tp->lock); |
| if (device_may_wakeup(dp)) |
| tg3_flag_set(tp, WOL_ENABLE); |
| else |
| tg3_flag_clear(tp, WOL_ENABLE); |
| spin_unlock_bh(&tp->lock); |
| |
| return 0; |
| } |
| |
| static u32 tg3_get_msglevel(struct net_device *dev) |
| { |
| struct tg3 *tp = netdev_priv(dev); |
| return tp->msg_enable; |
| } |
| |
| static void tg3_set_msglevel(struct net_device *dev, u32 value) |
| { |
| struct tg3 *tp = netdev_priv(dev); |
| tp->msg_enable = value; |
| } |
| |
| static int tg3_nway_reset(struct net_device *dev) |
| { |
| struct tg3 *tp = netdev_priv(dev); |
| int r; |
| |
| if (!netif_running(dev)) |
| return -EAGAIN; |
| |
| if (tp->phy_flags & TG3_PHYFLG_PHY_SERDES) |
| return -EINVAL; |
| |
| if (tg3_flag(tp, USE_PHYLIB)) { |
| if (!(tp->phy_flags & TG3_PHYFLG_IS_CONNECTED)) |
| return -EAGAIN; |
| r = phy_start_aneg(tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR]); |
| } else { |
| u32 bmcr; |
| |
| spin_lock_bh(&tp->lock); |
| r = -EINVAL; |
| tg3_readphy(tp, MII_BMCR, &bmcr); |
| if (!tg3_readphy(tp, MII_BMCR, &bmcr) && |
| ((bmcr & BMCR_ANENABLE) || |
| (tp->phy_flags & TG3_PHYFLG_PARALLEL_DETECT))) { |
| tg3_writephy(tp, MII_BMCR, bmcr | BMCR_ANRESTART | |
| BMCR_ANENABLE); |
| r = 0; |
| } |
| spin_unlock_bh(&tp->lock); |
| } |
| |
| return r; |
| } |
| |
| static void tg3_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering) |
| { |
| struct tg3 *tp = netdev_priv(dev); |
| |
| ering->rx_max_pending = tp->rx_std_ring_mask; |
| ering->rx_mini_max_pending = 0; |
| if (tg3_flag(tp, JUMBO_RING_ENABLE)) |
| ering->rx_jumbo_max_pending = tp->rx_jmb_ring_mask; |
| else |
| ering->rx_jumbo_max_pending = 0; |
| |
| ering->tx_max_pending = TG3_TX_RING_SIZE - 1; |
| |
| ering->rx_pending = tp->rx_pending; |
| ering->rx_mini_pending = 0; |
| if (tg3_flag(tp, JUMBO_RING_ENABLE)) |
| ering->rx_jumbo_pending = tp->rx_jumbo_pending; |
| else |
| ering->rx_jumbo_pending = 0; |
| |
| ering->tx_pending = tp->napi[0].tx_pending; |
| } |
| |
| static int tg3_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering) |
| { |
| struct tg3 *tp = netdev_priv(dev); |
| int i, irq_sync = 0, err = 0; |
| |
| if ((ering->rx_pending > tp->rx_std_ring_mask) || |
| (ering->rx_jumbo_pending > tp->rx_jmb_ring_mask) || |
| (ering->tx_pending > TG3_TX_RING_SIZE - 1) || |
| (ering->tx_pending <= MAX_SKB_FRAGS) || |
| (tg3_flag(tp, TSO_BUG) && |
| (ering->tx_pending <= (MAX_SKB_FRAGS * 3)))) |
| return -EINVAL; |
| |
| if (netif_running(dev)) { |
| tg3_phy_stop(tp); |
| tg3_netif_stop(tp); |
| irq_sync = 1; |
| } |
| |
| tg3_full_lock(tp, irq_sync); |
| |
| tp->rx_pending = ering->rx_pending; |
| |
| if (tg3_flag(tp, MAX_RXPEND_64) && |
| tp->rx_pending > 63) |
| tp->rx_pending = 63; |
| tp->rx_jumbo_pending = ering->rx_jumbo_pending; |
| |
| for (i = 0; i < tp->irq_max; i++) |
| tp->napi[i].tx_pending = ering->tx_pending; |
| |
| if (netif_running(dev)) { |
| tg3_halt(tp, RESET_KIND_SHUTDOWN, 1); |
| err = tg3_restart_hw(tp, 1); |
| if (!err) |
| tg3_netif_start(tp); |
| } |
| |
| tg3_full_unlock(tp); |
| |
| if (irq_sync && !err) |
| tg3_phy_start(tp); |
| |
| return err; |
| } |
| |
| static void tg3_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause) |
| { |
| struct tg3 *tp = netdev_priv(dev); |
| |
| epause->autoneg = !!tg3_flag(tp, PAUSE_AUTONEG); |
| |
| if (tp->link_config.active_flowctrl & FLOW_CTRL_RX) |
| epause->rx_pause = 1; |
| else |
| epause->rx_pause = 0; |
| |
| if (tp->link_config.active_flowctrl & FLOW_CTRL_TX) |
| epause->tx_pause = 1; |
| else |
| epause->tx_pause = 0; |
| } |
| |
| static int tg3_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause) |
| { |
| struct tg3 *tp = netdev_priv(dev); |
| int err = 0; |
| |
| if (tg3_flag(tp, USE_PHYLIB)) { |
| u32 newadv; |
| struct phy_device *phydev; |
| |
| phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR]; |
| |
| if (!(phydev->supported & SUPPORTED_Pause) || |
| (!(phydev->supported & SUPPORTED_Asym_Pause) && |
| (epause->rx_pause != epause->tx_pause))) |
| return -EINVAL; |
| |
| tp->link_config.flowctrl = 0; |
| if (epause->rx_pause) { |
| tp->link_config.flowctrl |= FLOW_CTRL_RX; |
| |
| if (epause->tx_pause) { |
| tp->link_config.flowctrl |= FLOW_CTRL_TX; |
| newadv = ADVERTISED_Pause; |
| } else |
| newadv = ADVERTISED_Pause | |
| ADVERTISED_Asym_Pause; |
| } else if (epause->tx_pause) { |
| tp->link_config.flowctrl |= FLOW_CTRL_TX; |
| newadv = ADVERTISED_Asym_Pause; |
| } else |
| newadv = 0; |
| |
| if (epause->autoneg) |
| tg3_flag_set(tp, PAUSE_AUTONEG); |
| else |
| tg3_flag_clear(tp, PAUSE_AUTONEG); |
| |
| if (tp->phy_flags & TG3_PHYFLG_IS_CONNECTED) { |
| u32 oldadv = phydev->advertising & |
| (ADVERTISED_Pause | ADVERTISED_Asym_Pause); |
| if (oldadv != newadv) { |
| phydev->advertising &= |
| ~(ADVERTISED_Pause | |
| ADVERTISED_Asym_Pause); |
| phydev->advertising |= newadv; |
| if (phydev->autoneg) { |
| /* |
| * Always renegotiate the link to |
| * inform our link partner of our |
| * flow control settings, even if the |
| * flow control is forced. Let |
| * tg3_adjust_link() do the final |
| * flow control setup. |
| */ |
| return phy_start_aneg(phydev); |
| } |
| } |
| |
| if (!epause->autoneg) |
| tg3_setup_flow_control(tp, 0, 0); |
| } else { |
| tp->link_config.orig_advertising &= |
| ~(ADVERTISED_Pause | |
| ADVERTISED_Asym_Pause); |
| tp->link_config.orig_advertising |= newadv; |
| } |
| } else { |
| int irq_sync = 0; |
| |
| if (netif_running(dev)) { |
| tg3_netif_stop(tp); |
| irq_sync = 1; |
| } |
| |
| tg3_full_lock(tp, irq_sync); |
| |
| if (epause->autoneg) |
| tg3_flag_set(tp, PAUSE_AUTONEG); |
| else |
| tg3_flag_clear(tp, PAUSE_AUTONEG); |
| if (epause->rx_pause) |
| tp->link_config.flowctrl |= FLOW_CTRL_RX; |
| else |
| tp->link_config.flowctrl &= ~FLOW_CTRL_RX; |
| if (epause->tx_pause) |
| tp->link_config.flowctrl |= FLOW_CTRL_TX; |
| else |
| tp->link_config.flowctrl &= ~FLOW_CTRL_TX; |
| |
| if (netif_running(dev)) { |
| tg3_halt(tp, RESET_KIND_SHUTDOWN, 1); |
| err = tg3_restart_hw(tp, 1); |
| if (!err) |
| tg3_netif_start(tp); |
| } |
| |
| tg3_full_unlock(tp); |
| } |
| |
| return err; |
| } |
| |
| static int tg3_get_sset_count(struct net_device *dev, int sset) |
| { |
| switch (sset) { |
| case ETH_SS_TEST: |
| return TG3_NUM_TEST; |
| case ETH_SS_STATS: |
| return TG3_NUM_STATS; |
| default: |
| return -EOPNOTSUPP; |
| } |
| } |
| |
| static void tg3_get_strings(struct net_device *dev, u32 stringset, u8 *buf) |
| { |
| switch (stringset) { |
| case ETH_SS_STATS: |
| memcpy(buf, ðtool_stats_keys, sizeof(ethtool_stats_keys)); |
| break; |
| case ETH_SS_TEST: |
| memcpy(buf, ðtool_test_keys, sizeof(ethtool_test_keys)); |
| break; |
| default: |
| WARN_ON(1); /* we need a WARN() */ |
| break; |
| } |
| } |
| |
| static int tg3_set_phys_id(struct net_device *dev, |
| enum ethtool_phys_id_state state) |
| { |
| struct tg3 *tp = netdev_priv(dev); |
| |
| if (!netif_running(tp->dev)) |
| return -EAGAIN; |
| |
| switch (state) { |
| case ETHTOOL_ID_ACTIVE: |
| return 1; /* cycle on/off once per second */ |
| |
| case ETHTOOL_ID_ON: |
| tw32(MAC_LED_CTRL, LED_CTRL_LNKLED_OVERRIDE | |
| LED_CTRL_1000MBPS_ON | |
| LED_CTRL_100MBPS_ON | |
| LED_CTRL_10MBPS_ON | |
| LED_CTRL_TRAFFIC_OVERRIDE | |
| LED_CTRL_TRAFFIC_BLINK | |
| LED_CTRL_TRAFFIC_LED); |
| break; |
| |
| case ETHTOOL_ID_OFF: |
| tw32(MAC_LED_CTRL, LED_CTRL_LNKLED_OVERRIDE | |
| LED_CTRL_TRAFFIC_OVERRIDE); |
| break; |
| |
| case ETHTOOL_ID_INACTIVE: |
| tw32(MAC_LED_CTRL, tp->led_ctrl); |
| break; |
| } |
| |
| return 0; |
| } |
| |
| static void tg3_get_ethtool_stats(struct net_device *dev, |
| struct ethtool_stats *estats, u64 *tmp_stats) |
| { |
| struct tg3 *tp = netdev_priv(dev); |
| memcpy(tmp_stats, tg3_get_estats(tp), sizeof(tp->estats)); |
| } |
| |
| static __be32 * tg3_vpd_readblock(struct tg3 *tp) |
| { |
| int i; |
| __be32 *buf; |
| u32 offset = 0, len = 0; |
| u32 magic, val; |
| |
| if (tg3_flag(tp, NO_NVRAM) || tg3_nvram_read(tp, 0, &magic)) |
| return NULL; |
| |
| if (magic == TG3_EEPROM_MAGIC) { |
| for (offset = TG3_NVM_DIR_START; |
| offset < TG3_NVM_DIR_END; |
| offset += TG3_NVM_DIRENT_SIZE) { |
| if (tg3_nvram_read(tp, offset, &val)) |
| return NULL; |
| |
| if ((val >> TG3_NVM_DIRTYPE_SHIFT) == |
| TG3_NVM_DIRTYPE_EXTVPD) |
| break; |
| } |
| |
| if (offset != TG3_NVM_DIR_END) { |
| len = (val & TG3_NVM_DIRTYPE_LENMSK) * 4; |
| if (tg3_nvram_read(tp, offset + 4, &offset)) |
| return NULL; |
| |
| offset = tg3_nvram_logical_addr(tp, offset); |
| } |
| } |
| |
| if (!offset || !len) { |
| offset = TG3_NVM_VPD_OFF; |
| len = TG3_NVM_VPD_LEN; |
| } |
| |
| buf = kmalloc(len, GFP_KERNEL); |
| if (buf == NULL) |
| return NULL; |
| |
| if (magic == TG3_EEPROM_MAGIC) { |
| for (i = 0; i < len; i += 4) { |
| /* The data is in little-endian format in NVRAM. |
| * Use the big-endian read routines to preserve |
| * the byte order as it exists in NVRAM. |
| */ |
| if (tg3_nvram_read_be32(tp, offset + i, &buf[i/4])) |
| goto error; |
| } |
| } else { |
| u8 *ptr; |
| ssize_t cnt; |
| unsigned int pos = 0; |
| |
| ptr = (u8 *)&buf[0]; |
| for (i = 0; pos < len && i < 3; i++, pos += cnt, ptr += cnt) { |
| cnt = pci_read_vpd(tp->pdev, pos, |
| len - pos, ptr); |
| if (cnt == -ETIMEDOUT || cnt == -EINTR) |
| cnt = 0; |
| else if (cnt < 0) |
| goto error; |
| } |
| if (pos != len) |
| goto error; |
| } |
| |
| return buf; |
| |
| error: |
| kfree(buf); |
| return NULL; |
| } |
| |
| #define NVRAM_TEST_SIZE 0x100 |
| #define NVRAM_SELFBOOT_FORMAT1_0_SIZE 0x14 |
| #define NVRAM_SELFBOOT_FORMAT1_2_SIZE 0x18 |
| #define NVRAM_SELFBOOT_FORMAT1_3_SIZE 0x1c |
| #define NVRAM_SELFBOOT_HW_SIZE 0x20 |
| #define NVRAM_SELFBOOT_DATA_SIZE 0x1c |
| |
| static int tg3_test_nvram(struct tg3 *tp) |
| { |
| u32 csum, magic; |
| __be32 *buf; |
| int i, j, k, err = 0, size; |
| |
| if (tg3_flag(tp, NO_NVRAM)) |
| return 0; |
| |
| if (tg3_nvram_read(tp, 0, &magic) != 0) |
| return -EIO; |
| |
| if (magic == TG3_EEPROM_MAGIC) |
| size = NVRAM_TEST_SIZE; |
| else if ((magic & TG3_EEPROM_MAGIC_FW_MSK) == TG3_EEPROM_MAGIC_FW) { |
| if ((magic & TG3_EEPROM_SB_FORMAT_MASK) == |
| TG3_EEPROM_SB_FORMAT_1) { |
| switch (magic & TG3_EEPROM_SB_REVISION_MASK) { |
| case TG3_EEPROM_SB_REVISION_0: |
| size = NVRAM_SELFBOOT_FORMAT1_0_SIZE; |
| break; |
| case TG3_EEPROM_SB_REVISION_2: |
| size = NVRAM_SELFBOOT_FORMAT1_2_SIZE; |
| break; |
| case TG3_EEPROM_SB_REVISION_3: |
| size = NVRAM_SELFBOOT_FORMAT1_3_SIZE; |
| break; |
| default: |
| return 0; |
| } |
| } else |
| return 0; |
| } else if ((magic & TG3_EEPROM_MAGIC_HW_MSK) == TG3_EEPROM_MAGIC_HW) |
| size = NVRAM_SELFBOOT_HW_SIZE; |
| else |
| return -EIO; |
| |
| buf = kmalloc(size, GFP_KERNEL); |
| if (buf == NULL) |
| return -ENOMEM; |
| |
| err = -EIO; |
| for (i = 0, j = 0; i < size; i += 4, j++) { |
| err = tg3_nvram_read_be32(tp, i, &buf[j]); |
| if (err) |
| break; |
| } |
| if (i < size) |
| goto out; |
| |
| /* Selfboot format */ |
| magic = be32_to_cpu(buf[0]); |
| if ((magic & TG3_EEPROM_MAGIC_FW_MSK) == |
| TG3_EEPROM_MAGIC_FW) { |
| u8 *buf8 = (u8 *) buf, csum8 = 0; |
| |
| if ((magic & TG3_EEPROM_SB_REVISION_MASK) == |
| TG3_EEPROM_SB_REVISION_2) { |
| /* For rev 2, the csum doesn't include the MBA. */ |
| for (i = 0; i < TG3_EEPROM_SB_F1R2_MBA_OFF; i++) |
| csum8 += buf8[i]; |
| for (i = TG3_EEPROM_SB_F1R2_MBA_OFF + 4; i < size; i++) |
| csum8 += buf8[i]; |
| } else { |
| for (i = 0; i < size; i++) |
| csum8 += buf8[i]; |
| } |
| |
| if (csum8 == 0) { |
| err = 0; |
| goto out; |
| } |
| |
| err = -EIO; |
| goto out; |
| } |
| |
| if ((magic & TG3_EEPROM_MAGIC_HW_MSK) == |
| TG3_EEPROM_MAGIC_HW) { |
| u8 data[NVRAM_SELFBOOT_DATA_SIZE]; |
| u8 parity[NVRAM_SELFBOOT_DATA_SIZE]; |
| u8 *buf8 = (u8 *) buf; |
| |
| /* Separate the parity bits and the data bytes. */ |
| for (i = 0, j = 0, k = 0; i < NVRAM_SELFBOOT_HW_SIZE; i++) { |
| if ((i == 0) || (i == 8)) { |
| int l; |
| u8 msk; |
| |
| for (l = 0, msk = 0x80; l < 7; l++, msk >>= 1) |
| parity[k++] = buf8[i] & msk; |
| i++; |
| } else if (i == 16) { |
| int l; |
| u8 msk; |
| |
| for (l = 0, msk = 0x20; l < 6; l++, msk >>= 1) |
| parity[k++] = buf8[i] & msk; |
| i++; |
| |
| for (l = 0, msk = 0x80; l < 8; l++, msk >>= 1) |
| parity[k++] = buf8[i] & msk; |
| i++; |
| } |
| data[j++] = buf8[i]; |
| } |
| |
| err = -EIO; |
| for (i = 0; i < NVRAM_SELFBOOT_DATA_SIZE; i++) { |
| u8 hw8 = hweight8(data[i]); |
| |
| if ((hw8 & 0x1) && parity[i]) |
| goto out; |
| else if (!(hw8 & 0x1) && !parity[i]) |
| goto out; |
| } |
| err = 0; |
| goto out; |
| } |
| |
| err = -EIO; |
| |
| /* Bootstrap checksum at offset 0x10 */ |
| csum = calc_crc((unsigned char *) buf, 0x10); |
| if (csum != le32_to_cpu(buf[0x10/4])) |
| goto out; |
| |
| /* Manufacturing block starts at offset 0x74, checksum at 0xfc */ |
| csum = calc_crc((unsigned char *) &buf[0x74/4], 0x88); |
| if (csum != le32_to_cpu(buf[0xfc/4])) |
| goto out; |
| |
| kfree(buf); |
| |
| buf = tg3_vpd_readblock(tp); |
| if (!buf) |
| return -ENOMEM; |
| |
| i = pci_vpd_find_tag((u8 *)buf, 0, TG3_NVM_VPD_LEN, |
| PCI_VPD_LRDT_RO_DATA); |
| if (i > 0) { |
| j = pci_vpd_lrdt_size(&((u8 *)buf)[i]); |
| if (j < 0) |
| goto out; |
| |
| if (i + PCI_VPD_LRDT_TAG_SIZE + j > TG3_NVM_VPD_LEN) |
| goto out; |
| |
| i += PCI_VPD_LRDT_TAG_SIZE; |
| j = pci_vpd_find_info_keyword((u8 *)buf, i, j, |
| PCI_VPD_RO_KEYWORD_CHKSUM); |
| if (j > 0) { |
| u8 csum8 = 0; |
| |
| j += PCI_VPD_INFO_FLD_HDR_SIZE; |
| |
| for (i = 0; i <= j; i++) |
| csum8 += ((u8 *)buf)[i]; |
| |
| if (csum8) |
| goto out; |
| } |
| } |
| |
| err = 0; |
| |
| out: |
| kfree(buf); |
| return err; |
| } |
| |
| #define TG3_SERDES_TIMEOUT_SEC 2 |
| #define TG3_COPPER_TIMEOUT_SEC 6 |
| |
| static int tg3_test_link(struct tg3 *tp) |
| { |
| int i, max; |
| |
| if (!netif_running(tp->dev)) |
| return -ENODEV; |
| |
| if (tp->phy_flags & TG3_PHYFLG_ANY_SERDES) |
| max = TG3_SERDES_TIMEOUT_SEC; |
| else |
| max = TG3_COPPER_TIMEOUT_SEC; |
| |
| for (i = 0; i < max; i++) { |
| if (netif_carrier_ok(tp->dev)) |
| return 0; |
| |
| if (msleep_interruptible(1000)) |
| break; |
| } |
| |
| return -EIO; |
| } |
| |
| /* Only test the commonly used registers */ |
| static int tg3_test_registers(struct tg3 *tp) |
| { |
| int i, is_5705, is_5750; |
| u32 offset, read_mask, write_mask, val, save_val, read_val; |
| static struct { |
| u16 offset; |
| u16 flags; |
| #define TG3_FL_5705 0x1 |
| #define TG3_FL_NOT_5705 0x2 |
| #define TG3_FL_NOT_5788 0x4 |
| #define TG3_FL_NOT_5750 0x8 |
| u32 read_mask; |
| u32 write_mask; |
| } reg_tbl[] = { |
| /* MAC Control Registers */ |
| { MAC_MODE, TG3_FL_NOT_5705, |
| 0x00000000, 0x00ef6f8c }, |
| { MAC_MODE, TG3_FL_5705, |
| 0x00000000, 0x01ef6b8c }, |
| { MAC_STATUS, TG3_FL_NOT_5705, |
| 0x03800107, 0x00000000 }, |
| { MAC_STATUS, TG3_FL_5705, |
| 0x03800100, 0x00000000 }, |
| { MAC_ADDR_0_HIGH, 0x0000, |
| 0x00000000, 0x0000ffff }, |
| { MAC_ADDR_0_LOW, 0x0000, |
| 0x00000000, 0xffffffff }, |
| { MAC_RX_MTU_SIZE, 0x0000, |
| 0x00000000, 0x0000ffff }, |
| { MAC_TX_MODE, 0x0000, |
| 0x00000000, 0x00000070 }, |
| { MAC_TX_LENGTHS, 0x0000, |
| 0x00000000, 0x00003fff }, |
| { MAC_RX_MODE, TG3_FL_NOT_5705, |
| 0x00000000, 0x000007fc }, |
| { MAC_RX_MODE, TG3_FL_5705, |
| 0x00000000, 0x000007dc }, |
| { MAC_HASH_REG_0, 0x0000, |
| 0x00000000, 0xffffffff }, |
| { MAC_HASH_REG_1, 0x0000, |
| 0x00000000, 0xffffffff }, |
| { MAC_HASH_REG_2, 0x0000, |
| 0x00000000, 0xffffffff }, |
| { MAC_HASH_REG_3, 0x0000, |
| 0x00000000, 0xffffffff }, |
| |
| /* Receive Data and Receive BD Initiator Control Registers. */ |
| { RCVDBDI_JUMBO_BD+0, TG3_FL_NOT_5705, |
| 0x00000000, 0xffffffff }, |
| { RCVDBDI_JUMBO_BD+4, TG3_FL_NOT_5705, |
| 0x00000000, 0xffffffff }, |
| { RCVDBDI_JUMBO_BD+8, TG3_FL_NOT_5705, |
| 0x00000000, 0x00000003 }, |
| { RCVDBDI_JUMBO_BD+0xc, TG3_FL_NOT_5705, |
| 0x00000000, 0xffffffff }, |
| { RCVDBDI_STD_BD+0, 0x0000, |
| 0x00000000, 0xffffffff }, |
| { RCVDBDI_STD_BD+4, 0x0000, |
| 0x00000000, 0xffffffff }, |
| { RCVDBDI_STD_BD+8, 0x0000, |
| 0x00000000, 0xffff0002 }, |
| { RCVDBDI_STD_BD+0xc, 0x0000, |
| 0x00000000, 0xffffffff }, |
| |
| /* Receive BD Initiator Control Registers. */ |
| { RCVBDI_STD_THRESH, TG3_FL_NOT_5705, |
| 0x00000000, 0xffffffff }, |
| { RCVBDI_STD_THRESH, TG3_FL_5705, |
| 0x00000000, 0x000003ff }, |
| { RCVBDI_JUMBO_THRESH, TG3_FL_NOT_5705, |
| 0x00000000, 0xffffffff }, |
| |
| /* Host Coalescing Control Registers. */ |
| { HOSTCC_MODE, TG3_FL_NOT_5705, |
| 0x00000000, 0x00000004 }, |
| { HOSTCC_MODE, TG3_FL_5705, |
| 0x00000000, 0x000000f6 }, |
| { HOSTCC_RXCOL_TICKS, TG3_FL_NOT_5705, |
| 0x00000000, 0xffffffff }, |
| { HOSTCC_RXCOL_TICKS, TG3_FL_5705, |
| 0x00000000, 0x000003ff }, |
| { HOSTCC_TXCOL_TICKS, TG3_FL_NOT_5705, |
| 0x00000000, 0xffffffff }, |
| { HOSTCC_TXCOL_TICKS, TG3_FL_5705, |
| 0x00000000, 0x000003ff }, |
| { HOSTCC_RXMAX_FRAMES, TG3_FL_NOT_5705, |
| 0x00000000, 0xffffffff }, |
| { HOSTCC_RXMAX_FRAMES, TG3_FL_5705 | TG3_FL_NOT_5788, |
| 0x00000000, 0x000000ff }, |
| { HOSTCC_TXMAX_FRAMES, TG3_FL_NOT_5705, |
| 0x00000000, 0xffffffff }, |
| { HOSTCC_TXMAX_FRAMES, TG3_FL_5705 | TG3_FL_NOT_5788, |
| 0x00000000, 0x000000ff }, |
| { HOSTCC_RXCOAL_TICK_INT, TG3_FL_NOT_5705, |
| 0x00000000, 0xffffffff }, |
| { HOSTCC_TXCOAL_TICK_INT, TG3_FL_NOT_5705, |
| 0x00000000, 0xffffffff }, |
| { HOSTCC_RXCOAL_MAXF_INT, TG3_FL_NOT_5705, |
| 0x00000000, 0xffffffff }, |
| { HOSTCC_RXCOAL_MAXF_INT, TG3_FL_5705 | TG3_FL_NOT_5788, |
| 0x00000000, 0x000000ff }, |
| { HOSTCC_TXCOAL_MAXF_INT, TG3_FL_NOT_5705, |
| 0x00000000, 0xffffffff }, |
| { HOSTCC_TXCOAL_MAXF_INT, TG3_FL_5705 | TG3_FL_NOT_5788, |
| 0x00000000, 0x000000ff }, |
| { HOSTCC_STAT_COAL_TICKS, TG3_FL_NOT_5705, |
| 0x00000000, 0xffffffff }, |
| { HOSTCC_STATS_BLK_HOST_ADDR, TG3_FL_NOT_5705, |
| 0x00000000, 0xffffffff }, |
| { HOSTCC_STATS_BLK_HOST_ADDR+4, TG3_FL_NOT_5705, |
| 0x00000000, 0xffffffff }, |
| { HOSTCC_STATUS_BLK_HOST_ADDR, 0x0000, |
| 0x00000000, 0xffffffff }, |
| { HOSTCC_STATUS_BLK_HOST_ADDR+4, 0x0000, |
| 0x00000000, 0xffffffff }, |
| { HOSTCC_STATS_BLK_NIC_ADDR, 0x0000, |
| 0xffffffff, 0x00000000 }, |
| { HOSTCC_STATUS_BLK_NIC_ADDR, 0x0000, |
| 0xffffffff, 0x00000000 }, |
| |
| /* Buffer Manager Control Registers. */ |
| { BUFMGR_MB_POOL_ADDR, TG3_FL_NOT_5750, |
| 0x00000000, 0x007fff80 }, |
| { BUFMGR_MB_POOL_SIZE, TG3_FL_NOT_5750, |
| 0x00000000, 0x007fffff }, |
| { BUFMGR_MB_RDMA_LOW_WATER, 0x0000, |
| 0x00000000, 0x0000003f }, |
| { BUFMGR_MB_MACRX_LOW_WATER, 0x0000, |
| 0x00000000, 0x000001ff }, |
| { BUFMGR_MB_HIGH_WATER, 0x0000, |
| 0x00000000, 0x000001ff }, |
| { BUFMGR_DMA_DESC_POOL_ADDR, TG3_FL_NOT_5705, |
| 0xffffffff, 0x00000000 }, |
| { BUFMGR_DMA_DESC_POOL_SIZE, TG3_FL_NOT_5705, |
| 0xffffffff, 0x00000000 }, |
| |
| /* Mailbox Registers */ |
| { GRCMBOX_RCVSTD_PROD_IDX+4, 0x0000, |
| 0x00000000, 0x000001ff }, |
| { GRCMBOX_RCVJUMBO_PROD_IDX+4, TG3_FL_NOT_5705, |
| 0x00000000, 0x000001ff }, |
| { GRCMBOX_RCVRET_CON_IDX_0+4, 0x0000, |
| 0x00000000, 0x000007ff }, |
| { GRCMBOX_SNDHOST_PROD_IDX_0+4, 0x0000, |
| 0x00000000, 0x000001ff }, |
| |
| { 0xffff, 0x0000, 0x00000000, 0x00000000 }, |
| }; |
| |
| is_5705 = is_5750 = 0; |
| if (tg3_flag(tp, 5705_PLUS)) { |
| is_5705 = 1; |
| if (tg3_flag(tp, 5750_PLUS)) |
| is_5750 = 1; |
| } |
| |
| for (i = 0; reg_tbl[i].offset != 0xffff; i++) { |
| if (is_5705 && (reg_tbl[i].flags & TG3_FL_NOT_5705)) |
| continue; |
| |
| if (!is_5705 && (reg_tbl[i].flags & TG3_FL_5705)) |
| continue; |
| |
| if (tg3_flag(tp, IS_5788) && |
| (reg_tbl[i].flags & TG3_FL_NOT_5788)) |
| continue; |
| |
| if (is_5750 && (reg_tbl[i].flags & TG3_FL_NOT_5750)) |
| continue; |
| |
| offset = (u32) reg_tbl[i].offset; |
| read_mask = reg_tbl[i].read_mask; |
| write_mask = reg_tbl[i].write_mask; |
| |
| /* Save the original register content */ |
| save_val = tr32(offset); |
| |
| /* Determine the read-only value. */ |
| read_val = save_val & read_mask; |
| |
| /* Write zero to the register, then make sure the read-only bits |
| * are not changed and the read/write bits are all zeros. |
| */ |
| tw32(offset, 0); |
| |
| val = tr32(offset); |
| |
| /* Test the read-only and read/write bits. */ |
| if (((val & read_mask) != read_val) || (val & write_mask)) |
| goto out; |
| |
| /* Write ones to all the bits defined by RdMask and WrMask, then |
| * make sure the read-only bits are not changed and the |
| * read/write bits are all ones. |
| */ |
| tw32(offset, read_mask | write_mask); |
| |
| val = tr32(offset); |
| |
| /* Test the read-only bits. */ |
| if ((val & read_mask) != read_val) |
| goto out; |
| |
| /* Test the read/write bits. */ |
| if ((val & write_mask) != write_mask) |
| goto out; |
| |
| tw32(offset, save_val); |
| } |
| |
| return 0; |
| |
| out: |
| if (netif_msg_hw(tp)) |
| netdev_err(tp->dev, |
| "Register test failed at offset %x\n", offset); |
| tw32(offset, save_val); |
| return -EIO; |
| } |
| |
| static int tg3_do_mem_test(struct tg3 *tp, u32 offset, u32 len) |
| { |
| static const u32 test_pattern[] = { 0x00000000, 0xffffffff, 0xaa55a55a }; |
| int i; |
| u32 j; |
| |
| for (i = 0; i < ARRAY_SIZE(test_pattern); i++) { |
| for (j = 0; j < len; j += 4) { |
| u32 val; |
| |
| tg3_write_mem(tp, offset + j, test_pattern[i]); |
| tg3_read_mem(tp, offset + j, &val); |
| if (val != test_pattern[i]) |
| return -EIO; |
| } |
| } |
| return 0; |
| } |
| |
| static int tg3_test_memory(struct tg3 *tp) |
| { |
| static struct mem_entry { |
| u32 offset; |
| u32 len; |
| } mem_tbl_570x[] = { |
| { 0x00000000, 0x00b50}, |
| { 0x00002000, 0x1c000}, |
| { 0xffffffff, 0x00000} |
| }, mem_tbl_5705[] = { |
| { 0x00000100, 0x0000c}, |
| { 0x00000200, 0x00008}, |
| { 0x00004000, 0x00800}, |
| { 0x00006000, 0x01000}, |
| { 0x00008000, 0x02000}, |
| { 0x00010000, 0x0e000}, |
| { 0xffffffff, 0x00000} |
| }, mem_tbl_5755[] = { |
| { 0x00000200, 0x00008}, |
| { 0x00004000, 0x00800}, |
| { 0x00006000, 0x00800}, |
| { 0x00008000, 0x02000}, |
| { 0x00010000, 0x0c000}, |
| { 0xffffffff, 0x00000} |
| }, mem_tbl_5906[] = { |
| { 0x00000200, 0x00008}, |
| { 0x00004000, 0x00400}, |
| { 0x00006000, 0x00400}, |
| { 0x00008000, 0x01000}, |
| { 0x00010000, 0x01000}, |
| { 0xffffffff, 0x00000} |
| }, mem_tbl_5717[] = { |
| { 0x00000200, 0x00008}, |
| { 0x00010000, 0x0a000}, |
| { 0x00020000, 0x13c00}, |
| { 0xffffffff, 0x00000} |
| }, mem_tbl_57765[] = { |
| { 0x00000200, 0x00008}, |
| { 0x00004000, 0x00800}, |
| { 0x00006000, 0x09800}, |
| { 0x00010000, 0x0a000}, |
| { 0xffffffff, 0x00000} |
| }; |
| struct mem_entry *mem_tbl; |
| int err = 0; |
| int i; |
| |
| if (tg3_flag(tp, 5717_PLUS)) |
| mem_tbl = mem_tbl_5717; |
| else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765) |
| mem_tbl = mem_tbl_57765; |
| else if (tg3_flag(tp, 5755_PLUS)) |
| mem_tbl = mem_tbl_5755; |
| else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) |
| mem_tbl = mem_tbl_5906; |
| else if (tg3_flag(tp, 5705_PLUS)) |
| mem_tbl = mem_tbl_5705; |
| else |
| mem_tbl = mem_tbl_570x; |
| |
| for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) { |
| err = tg3_do_mem_test(tp, mem_tbl[i].offset, mem_tbl[i].len); |
| if (err) |
| break; |
| } |
| |
| return err; |
| } |
| |
| #define TG3_MAC_LOOPBACK 0 |
| #define TG3_PHY_LOOPBACK 1 |
| #define TG3_TSO_LOOPBACK 2 |
| |
| #define TG3_TSO_MSS 500 |
| |
| #define TG3_TSO_IP_HDR_LEN 20 |
| #define TG3_TSO_TCP_HDR_LEN 20 |
| #define TG3_TSO_TCP_OPT_LEN 12 |
| |
| static const u8 tg3_tso_header[] = { |
| 0x08, 0x00, |
| 0x45, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x40, 0x00, |
| 0x40, 0x06, 0x00, 0x00, |
| 0x0a, 0x00, 0x00, 0x01, |
| 0x0a, 0x00, 0x00, 0x02, |
| 0x0d, 0x00, 0xe0, 0x00, |
| 0x00, 0x00, 0x01, 0x00, |
| 0x00, 0x00, 0x02, 0x00, |
| 0x80, 0x10, 0x10, 0x00, |
| 0x14, 0x09, 0x00, 0x00, |
| 0x01, 0x01, 0x08, 0x0a, |
| 0x11, 0x11, 0x11, 0x11, |
| 0x11, 0x11, 0x11, 0x11, |
| }; |
| |
| static int tg3_run_loopback(struct tg3 *tp, u32 pktsz, int loopback_mode) |
| { |
| u32 mac_mode, rx_start_idx, rx_idx, tx_idx, opaque_key; |
| u32 base_flags = 0, mss = 0, desc_idx, coal_now, data_off, val; |
| struct sk_buff *skb, *rx_skb; |
| u8 *tx_data; |
| dma_addr_t map; |
| int num_pkts, tx_len, rx_len, i, err; |
| struct tg3_rx_buffer_desc *desc; |
| struct tg3_napi *tnapi, *rnapi; |
| struct tg3_rx_prodring_set *tpr = &tp->napi[0].prodring; |
| |
| tnapi = &tp->napi[0]; |
| rnapi = &tp->napi[0]; |
| if (tp->irq_cnt > 1) { |
| if (tg3_flag(tp, ENABLE_RSS)) |
| rnapi = &tp->napi[1]; |
| if (tg3_flag(tp, ENABLE_TSS)) |
| tnapi = &tp->napi[1]; |
| } |
| coal_now = tnapi->coal_now | rnapi->coal_now; |
| |
| if (loopback_mode == TG3_MAC_LOOPBACK) { |
| /* HW errata - mac loopback fails in some cases on 5780. |
| * Normal traffic and PHY loopback are not affected by |
| * errata. Also, the MAC loopback test is deprecated for |
| * all newer ASIC revisions. |
| */ |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780 || |
| tg3_flag(tp, CPMU_PRESENT)) |
| return 0; |
| |
| mac_mode = tp->mac_mode & |
| ~(MAC_MODE_PORT_MODE_MASK | MAC_MODE_HALF_DUPLEX); |
| mac_mode |= MAC_MODE_PORT_INT_LPBACK; |
| if (!tg3_flag(tp, 5705_PLUS)) |
| mac_mode |= MAC_MODE_LINK_POLARITY; |
| if (tp->phy_flags & TG3_PHYFLG_10_100_ONLY) |
| mac_mode |= MAC_MODE_PORT_MODE_MII; |
| else |
| mac_mode |= MAC_MODE_PORT_MODE_GMII; |
| tw32(MAC_MODE, mac_mode); |
| } else { |
| if (tp->phy_flags & TG3_PHYFLG_IS_FET) { |
| tg3_phy_fet_toggle_apd(tp, false); |
| val = BMCR_LOOPBACK | BMCR_FULLDPLX | BMCR_SPEED100; |
| } else |
| val = BMCR_LOOPBACK | BMCR_FULLDPLX | BMCR_SPEED1000; |
| |
| tg3_phy_toggle_automdix(tp, 0); |
| |
| tg3_writephy(tp, MII_BMCR, val); |
| udelay(40); |
| |
| mac_mode = tp->mac_mode & |
| ~(MAC_MODE_PORT_MODE_MASK | MAC_MODE_HALF_DUPLEX); |
| if (tp->phy_flags & TG3_PHYFLG_IS_FET) { |
| tg3_writephy(tp, MII_TG3_FET_PTEST, |
| MII_TG3_FET_PTEST_FRC_TX_LINK | |
| MII_TG3_FET_PTEST_FRC_TX_LOCK); |
| /* The write needs to be flushed for the AC131 */ |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785) |
| tg3_readphy(tp, MII_TG3_FET_PTEST, &val); |
| mac_mode |= MAC_MODE_PORT_MODE_MII; |
| } else |
| mac_mode |= MAC_MODE_PORT_MODE_GMII; |
| |
| /* reset to prevent losing 1st rx packet intermittently */ |
| if (tp->phy_flags & TG3_PHYFLG_MII_SERDES) { |
| tw32_f(MAC_RX_MODE, RX_MODE_RESET); |
| udelay(10); |
| tw32_f(MAC_RX_MODE, tp->rx_mode); |
| } |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) { |
| u32 masked_phy_id = tp->phy_id & TG3_PHY_ID_MASK; |
| if (masked_phy_id == TG3_PHY_ID_BCM5401) |
| mac_mode &= ~MAC_MODE_LINK_POLARITY; |
| else if (masked_phy_id == TG3_PHY_ID_BCM5411) |
| mac_mode |= MAC_MODE_LINK_POLARITY; |
| tg3_writephy(tp, MII_TG3_EXT_CTRL, |
| MII_TG3_EXT_CTRL_LNK3_LED_MODE); |
| } |
| tw32(MAC_MODE, mac_mode); |
| |
| /* Wait for link */ |
| for (i = 0; i < 100; i++) { |
| if (tr32(MAC_TX_STATUS) & TX_STATUS_LINK_UP) |
| break; |
| mdelay(1); |
| } |
| } |
| |
| err = -EIO; |
| |
| tx_len = pktsz; |
| skb = netdev_alloc_skb(tp->dev, tx_len); |
| if (!skb) |
| return -ENOMEM; |
| |
| tx_data = skb_put(skb, tx_len); |
| memcpy(tx_data, tp->dev->dev_addr, 6); |
| memset(tx_data + 6, 0x0, 8); |
| |
| tw32(MAC_RX_MTU_SIZE, tx_len + ETH_FCS_LEN); |
| |
| if (loopback_mode == TG3_TSO_LOOPBACK) { |
| struct iphdr *iph = (struct iphdr *)&tx_data[ETH_HLEN]; |
| |
| u32 hdr_len = TG3_TSO_IP_HDR_LEN + TG3_TSO_TCP_HDR_LEN + |
| TG3_TSO_TCP_OPT_LEN; |
| |
| memcpy(tx_data + ETH_ALEN * 2, tg3_tso_header, |
| sizeof(tg3_tso_header)); |
| mss = TG3_TSO_MSS; |
| |
| val = tx_len - ETH_ALEN * 2 - sizeof(tg3_tso_header); |
| num_pkts = DIV_ROUND_UP(val, TG3_TSO_MSS); |
| |
| /* Set the total length field in the IP header */ |
| iph->tot_len = htons((u16)(mss + hdr_len)); |
| |
| base_flags = (TXD_FLAG_CPU_PRE_DMA | |
| TXD_FLAG_CPU_POST_DMA); |
| |
| if (tg3_flag(tp, HW_TSO_1) || |
| tg3_flag(tp, HW_TSO_2) || |
| tg3_flag(tp, HW_TSO_3)) { |
| struct tcphdr *th; |
| val = ETH_HLEN + TG3_TSO_IP_HDR_LEN; |
| th = (struct tcphdr *)&tx_data[val]; |
| th->check = 0; |
| } else |
| base_flags |= TXD_FLAG_TCPUDP_CSUM; |
| |
| if (tg3_flag(tp, HW_TSO_3)) { |
| mss |= (hdr_len & 0xc) << 12; |
| if (hdr_len & 0x10) |
| base_flags |= 0x00000010; |
| base_flags |= (hdr_len & 0x3e0) << 5; |
| } else if (tg3_flag(tp, HW_TSO_2)) |
| mss |= hdr_len << 9; |
| else if (tg3_flag(tp, HW_TSO_1) || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) { |
| mss |= (TG3_TSO_TCP_OPT_LEN << 9); |
| } else { |
| base_flags |= (TG3_TSO_TCP_OPT_LEN << 10); |
| } |
| |
| data_off = ETH_ALEN * 2 + sizeof(tg3_tso_header); |
| } else { |
| num_pkts = 1; |
| data_off = ETH_HLEN; |
| } |
| |
| for (i = data_off; i < tx_len; i++) |
| tx_data[i] = (u8) (i & 0xff); |
| |
| map = pci_map_single(tp->pdev, skb->data, tx_len, PCI_DMA_TODEVICE); |
| if (pci_dma_mapping_error(tp->pdev, map)) { |
| dev_kfree_skb(skb); |
| return -EIO; |
| } |
| |
| tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE | |
| rnapi->coal_now); |
| |
| udelay(10); |
| |
| rx_start_idx = rnapi->hw_status->idx[0].rx_producer; |
| |
| tg3_set_txd(tnapi, tnapi->tx_prod, map, tx_len, |
| base_flags, (mss << 1) | 1); |
| |
| tnapi->tx_prod++; |
| |
| tw32_tx_mbox(tnapi->prodmbox, tnapi->tx_prod); |
| tr32_mailbox(tnapi->prodmbox); |
| |
| udelay(10); |
| |
| /* 350 usec to allow enough time on some 10/100 Mbps devices. */ |
| for (i = 0; i < 35; i++) { |
| tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE | |
| coal_now); |
| |
| udelay(10); |
| |
| tx_idx = tnapi->hw_status->idx[0].tx_consumer; |
| rx_idx = rnapi->hw_status->idx[0].rx_producer; |
| if ((tx_idx == tnapi->tx_prod) && |
| (rx_idx == (rx_start_idx + num_pkts))) |
| break; |
| } |
| |
| pci_unmap_single(tp->pdev, map, tx_len, PCI_DMA_TODEVICE); |
| dev_kfree_skb(skb); |
| |
| if (tx_idx != tnapi->tx_prod) |
| goto out; |
| |
| if (rx_idx != rx_start_idx + num_pkts) |
| goto out; |
| |
| val = data_off; |
| while (rx_idx != rx_start_idx) { |
| desc = &rnapi->rx_rcb[rx_start_idx++]; |
| desc_idx = desc->opaque & RXD_OPAQUE_INDEX_MASK; |
| opaque_key = desc->opaque & RXD_OPAQUE_RING_MASK; |
| |
| if ((desc->err_vlan & RXD_ERR_MASK) != 0 && |
| (desc->err_vlan != RXD_ERR_ODD_NIBBLE_RCVD_MII)) |
| goto out; |
| |
| rx_len = ((desc->idx_len & RXD_LEN_MASK) >> RXD_LEN_SHIFT) |
| - ETH_FCS_LEN; |
| |
| if (loopback_mode != TG3_TSO_LOOPBACK) { |
| if (rx_len != tx_len) |
| goto out; |
| |
| if (pktsz <= TG3_RX_STD_DMA_SZ - ETH_FCS_LEN) { |
| if (opaque_key != RXD_OPAQUE_RING_STD) |
| goto out; |
| } else { |
| if (opaque_key != RXD_OPAQUE_RING_JUMBO) |
| goto out; |
| } |
| } else if ((desc->type_flags & RXD_FLAG_TCPUDP_CSUM) && |
| (desc->ip_tcp_csum & RXD_TCPCSUM_MASK) |
| >> RXD_TCPCSUM_SHIFT == 0xffff) { |
| goto out; |
| } |
| |
| if (opaque_key == RXD_OPAQUE_RING_STD) { |
| rx_skb = tpr->rx_std_buffers[desc_idx].skb; |
| map = dma_unmap_addr(&tpr->rx_std_buffers[desc_idx], |
| mapping); |
| } else if (opaque_key == RXD_OPAQUE_RING_JUMBO) { |
| rx_skb = tpr->rx_jmb_buffers[desc_idx].skb; |
| map = dma_unmap_addr(&tpr->rx_jmb_buffers[desc_idx], |
| mapping); |
| } else |
| goto out; |
| |
| pci_dma_sync_single_for_cpu(tp->pdev, map, rx_len, |
| PCI_DMA_FROMDEVICE); |
| |
| for (i = data_off; i < rx_len; i++, val++) { |
| if (*(rx_skb->data + i) != (u8) (val & 0xff)) |
| goto out; |
| } |
| } |
| |
| err = 0; |
| |
| /* tg3_free_rings will unmap and free the rx_skb */ |
| out: |
| return err; |
| } |
| |
| #define TG3_STD_LOOPBACK_FAILED 1 |
| #define TG3_JMB_LOOPBACK_FAILED 2 |
| #define TG3_TSO_LOOPBACK_FAILED 4 |
| |
| #define TG3_MAC_LOOPBACK_SHIFT 0 |
| #define TG3_PHY_LOOPBACK_SHIFT 4 |
| #define TG3_LOOPBACK_FAILED 0x00000077 |
| |
| static int tg3_test_loopback(struct tg3 *tp) |
| { |
| int err = 0; |
| u32 eee_cap, cpmuctrl = 0; |
| |
| if (!netif_running(tp->dev)) |
| return TG3_LOOPBACK_FAILED; |
| |
| eee_cap = tp->phy_flags & TG3_PHYFLG_EEE_CAP; |
| tp->phy_flags &= ~TG3_PHYFLG_EEE_CAP; |
| |
| err = tg3_reset_hw(tp, 1); |
| if (err) { |
| err = TG3_LOOPBACK_FAILED; |
| goto done; |
| } |
| |
| if (tg3_flag(tp, ENABLE_RSS)) { |
| int i; |
| |
| /* Reroute all rx packets to the 1st queue */ |
| for (i = MAC_RSS_INDIR_TBL_0; |
| i < MAC_RSS_INDIR_TBL_0 + TG3_RSS_INDIR_TBL_SIZE; i += 4) |
| tw32(i, 0x0); |
| } |
| |
| /* Turn off gphy autopowerdown. */ |
| if (tp->phy_flags & TG3_PHYFLG_ENABLE_APD) |
| tg3_phy_toggle_apd(tp, false); |
| |
| if (tg3_flag(tp, CPMU_PRESENT)) { |
| int i; |
| u32 status; |
| |
| tw32(TG3_CPMU_MUTEX_REQ, CPMU_MUTEX_REQ_DRIVER); |
| |
| /* Wait for up to 40 microseconds to acquire lock. */ |
| for (i = 0; i < 4; i++) { |
| status = tr32(TG3_CPMU_MUTEX_GNT); |
| if (status == CPMU_MUTEX_GNT_DRIVER) |
| break; |
| udelay(10); |
| } |
| |
| if (status != CPMU_MUTEX_GNT_DRIVER) { |
| err = TG3_LOOPBACK_FAILED; |
| goto done; |
| } |
| |
| /* Turn off link-based power management. */ |
| cpmuctrl = tr32(TG3_CPMU_CTRL); |
| tw32(TG3_CPMU_CTRL, |
| cpmuctrl & ~(CPMU_CTRL_LINK_SPEED_MODE | |
| CPMU_CTRL_LINK_AWARE_MODE)); |
| } |
| |
| if (tg3_run_loopback(tp, ETH_FRAME_LEN, TG3_MAC_LOOPBACK)) |
| err |= TG3_STD_LOOPBACK_FAILED << TG3_MAC_LOOPBACK_SHIFT; |
| |
| if (tg3_flag(tp, JUMBO_RING_ENABLE) && |
| tg3_run_loopback(tp, 9000 + ETH_HLEN, TG3_MAC_LOOPBACK)) |
| err |= TG3_JMB_LOOPBACK_FAILED << TG3_MAC_LOOPBACK_SHIFT; |
| |
| if (tg3_flag(tp, CPMU_PRESENT)) { |
| tw32(TG3_CPMU_CTRL, cpmuctrl); |
| |
| /* Release the mutex */ |
| tw32(TG3_CPMU_MUTEX_GNT, CPMU_MUTEX_GNT_DRIVER); |
| } |
| |
| if (!(tp->phy_flags & TG3_PHYFLG_PHY_SERDES) && |
| !tg3_flag(tp, USE_PHYLIB)) { |
| if (tg3_run_loopback(tp, ETH_FRAME_LEN, TG3_PHY_LOOPBACK)) |
| err |= TG3_STD_LOOPBACK_FAILED << |
| TG3_PHY_LOOPBACK_SHIFT; |
| if (tg3_flag(tp, TSO_CAPABLE) && |
| tg3_run_loopback(tp, ETH_FRAME_LEN, TG3_TSO_LOOPBACK)) |
| err |= TG3_TSO_LOOPBACK_FAILED << |
| TG3_PHY_LOOPBACK_SHIFT; |
| if (tg3_flag(tp, JUMBO_RING_ENABLE) && |
| tg3_run_loopback(tp, 9000 + ETH_HLEN, TG3_PHY_LOOPBACK)) |
| err |= TG3_JMB_LOOPBACK_FAILED << |
| TG3_PHY_LOOPBACK_SHIFT; |
| } |
| |
| /* Re-enable gphy autopowerdown. */ |
| if (tp->phy_flags & TG3_PHYFLG_ENABLE_APD) |
| tg3_phy_toggle_apd(tp, true); |
| |
| done: |
| tp->phy_flags |= eee_cap; |
| |
| return err; |
| } |
| |
| static void tg3_self_test(struct net_device *dev, struct ethtool_test *etest, |
| u64 *data) |
| { |
| struct tg3 *tp = netdev_priv(dev); |
| |
| if (tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER) |
| tg3_power_up(tp); |
| |
| memset(data, 0, sizeof(u64) * TG3_NUM_TEST); |
| |
| if (tg3_test_nvram(tp) != 0) { |
| etest->flags |= ETH_TEST_FL_FAILED; |
| data[0] = 1; |
| } |
| if (tg3_test_link(tp) != 0) { |
| etest->flags |= ETH_TEST_FL_FAILED; |
| data[1] = 1; |
| } |
| if (etest->flags & ETH_TEST_FL_OFFLINE) { |
| int err, err2 = 0, irq_sync = 0; |
| |
| if (netif_running(dev)) { |
| tg3_phy_stop(tp); |
| tg3_netif_stop(tp); |
| irq_sync = 1; |
| } |
| |
| tg3_full_lock(tp, irq_sync); |
| |
| tg3_halt(tp, RESET_KIND_SUSPEND, 1); |
| err = tg3_nvram_lock(tp); |
| tg3_halt_cpu(tp, RX_CPU_BASE); |
| if (!tg3_flag(tp, 5705_PLUS)) |
| tg3_halt_cpu(tp, TX_CPU_BASE); |
| if (!err) |
| tg3_nvram_unlock(tp); |
| |
| if (tp->phy_flags & TG3_PHYFLG_MII_SERDES) |
| tg3_phy_reset(tp); |
| |
| if (tg3_test_registers(tp) != 0) { |
| etest->flags |= ETH_TEST_FL_FAILED; |
| data[2] = 1; |
| } |
| if (tg3_test_memory(tp) != 0) { |
| etest->flags |= ETH_TEST_FL_FAILED; |
| data[3] = 1; |
| } |
| if ((data[4] = tg3_test_loopback(tp)) != 0) |
| etest->flags |= ETH_TEST_FL_FAILED; |
| |
| tg3_full_unlock(tp); |
| |
| if (tg3_test_interrupt(tp) != 0) { |
| etest->flags |= ETH_TEST_FL_FAILED; |
| data[5] = 1; |
| } |
| |
| tg3_full_lock(tp, 0); |
| |
| tg3_halt(tp, RESET_KIND_SHUTDOWN, 1); |
| if (netif_running(dev)) { |
| tg3_flag_set(tp, INIT_COMPLETE); |
| err2 = tg3_restart_hw(tp, 1); |
| if (!err2) |
| tg3_netif_start(tp); |
| } |
| |
| tg3_full_unlock(tp); |
| |
| if (irq_sync && !err2) |
| tg3_phy_start(tp); |
| } |
| if (tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER) |
| tg3_power_down(tp); |
| |
| } |
| |
| static int tg3_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) |
| { |
| struct mii_ioctl_data *data = if_mii(ifr); |
| struct tg3 *tp = netdev_priv(dev); |
| int err; |
| |
| if (tg3_flag(tp, USE_PHYLIB)) { |
| struct phy_device *phydev; |
| if (!(tp->phy_flags & TG3_PHYFLG_IS_CONNECTED)) |
| return -EAGAIN; |
| phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR]; |
| return phy_mii_ioctl(phydev, ifr, cmd); |
| } |
| |
| switch (cmd) { |
| case SIOCGMIIPHY: |
| data->phy_id = tp->phy_addr; |
| |
| /* fallthru */ |
| case SIOCGMIIREG: { |
| u32 mii_regval; |
| |
| if (tp->phy_flags & TG3_PHYFLG_PHY_SERDES) |
| break; /* We have no PHY */ |
| |
| if (!netif_running(dev)) |
| return -EAGAIN; |
| |
| spin_lock_bh(&tp->lock); |
| err = tg3_readphy(tp, data->reg_num & 0x1f, &mii_regval); |
| spin_unlock_bh(&tp->lock); |
| |
| data->val_out = mii_regval; |
| |
| return err; |
| } |
| |
| case SIOCSMIIREG: |
| if (tp->phy_flags & TG3_PHYFLG_PHY_SERDES) |
| break; /* We have no PHY */ |
| |
| if (!netif_running(dev)) |
| return -EAGAIN; |
| |
| spin_lock_bh(&tp->lock); |
| err = tg3_writephy(tp, data->reg_num & 0x1f, data->val_in); |
| spin_unlock_bh(&tp->lock); |
| |
| return err; |
| |
| default: |
| /* do nothing */ |
| break; |
| } |
| return -EOPNOTSUPP; |
| } |
| |
| static int tg3_get_coalesce(struct net_device *dev, struct ethtool_coalesce *ec) |
| { |
| struct tg3 *tp = netdev_priv(dev); |
| |
| memcpy(ec, &tp->coal, sizeof(*ec)); |
| return 0; |
| } |
| |
| static int tg3_set_coalesce(struct net_device *dev, struct ethtool_coalesce *ec) |
| { |
| struct tg3 *tp = netdev_priv(dev); |
| u32 max_rxcoal_tick_int = 0, max_txcoal_tick_int = 0; |
| u32 max_stat_coal_ticks = 0, min_stat_coal_ticks = 0; |
| |
| if (!tg3_flag(tp, 5705_PLUS)) { |
| max_rxcoal_tick_int = MAX_RXCOAL_TICK_INT; |
| max_txcoal_tick_int = MAX_TXCOAL_TICK_INT; |
| max_stat_coal_ticks = MAX_STAT_COAL_TICKS; |
| min_stat_coal_ticks = MIN_STAT_COAL_TICKS; |
| } |
| |
| if ((ec->rx_coalesce_usecs > MAX_RXCOL_TICKS) || |
| (ec->tx_coalesce_usecs > MAX_TXCOL_TICKS) || |
| (ec->rx_max_coalesced_frames > MAX_RXMAX_FRAMES) || |
| (ec->tx_max_coalesced_frames > MAX_TXMAX_FRAMES) || |
| (ec->rx_coalesce_usecs_irq > max_rxcoal_tick_int) || |
| (ec->tx_coalesce_usecs_irq > max_txcoal_tick_int) || |
| (ec->rx_max_coalesced_frames_irq > MAX_RXCOAL_MAXF_INT) || |
| (ec->tx_max_coalesced_frames_irq > MAX_TXCOAL_MAXF_INT) || |
| (ec->stats_block_coalesce_usecs > max_stat_coal_ticks) || |
| (ec->stats_block_coalesce_usecs < min_stat_coal_ticks)) |
| return -EINVAL; |
| |
| /* No rx interrupts will be generated if both are zero */ |
| if ((ec->rx_coalesce_usecs == 0) && |
| (ec->rx_max_coalesced_frames == 0)) |
| return -EINVAL; |
| |
| /* No tx interrupts will be generated if both are zero */ |
| if ((ec->tx_coalesce_usecs == 0) && |
| (ec->tx_max_coalesced_frames == 0)) |
| return -EINVAL; |
| |
| /* Only copy relevant parameters, ignore all others. */ |
| tp->coal.rx_coalesce_usecs = ec->rx_coalesce_usecs; |
| tp->coal.tx_coalesce_usecs = ec->tx_coalesce_usecs; |
| tp->coal.rx_max_coalesced_frames = ec->rx_max_coalesced_frames; |
| tp->coal.tx_max_coalesced_frames = ec->tx_max_coalesced_frames; |
| tp->coal.rx_coalesce_usecs_irq = ec->rx_coalesce_usecs_irq; |
| tp->coal.tx_coalesce_usecs_irq = ec->tx_coalesce_usecs_irq; |
| tp->coal.rx_max_coalesced_frames_irq = ec->rx_max_coalesced_frames_irq; |
| tp->coal.tx_max_coalesced_frames_irq = ec->tx_max_coalesced_frames_irq; |
| tp->coal.stats_block_coalesce_usecs = ec->stats_block_coalesce_usecs; |
| |
| if (netif_running(dev)) { |
| tg3_full_lock(tp, 0); |
| __tg3_set_coalesce(tp, &tp->coal); |
| tg3_full_unlock(tp); |
| } |
| return 0; |
| } |
| |
| static const struct ethtool_ops tg3_ethtool_ops = { |
| .get_settings = tg3_get_settings, |
| .set_settings = tg3_set_settings, |
| .get_drvinfo = tg3_get_drvinfo, |
| .get_regs_len = tg3_get_regs_len, |
| .get_regs = tg3_get_regs, |
| .get_wol = tg3_get_wol, |
| .set_wol = tg3_set_wol, |
| .get_msglevel = tg3_get_msglevel, |
| .set_msglevel = tg3_set_msglevel, |
| .nway_reset = tg3_nway_reset, |
| .get_link = ethtool_op_get_link, |
| .get_eeprom_len = tg3_get_eeprom_len, |
| .get_eeprom = tg3_get_eeprom, |
| .set_eeprom = tg3_set_eeprom, |
| .get_ringparam = tg3_get_ringparam, |
| .set_ringparam = tg3_set_ringparam, |
| .get_pauseparam = tg3_get_pauseparam, |
| .set_pauseparam = tg3_set_pauseparam, |
| .self_test = tg3_self_test, |
| .get_strings = tg3_get_strings, |
| .set_phys_id = tg3_set_phys_id, |
| .get_ethtool_stats = tg3_get_ethtool_stats, |
| .get_coalesce = tg3_get_coalesce, |
| .set_coalesce = tg3_set_coalesce, |
| .get_sset_count = tg3_get_sset_count, |
| }; |
| |
| static void __devinit tg3_get_eeprom_size(struct tg3 *tp) |
| { |
| u32 cursize, val, magic; |
| |
| tp->nvram_size = EEPROM_CHIP_SIZE; |
| |
| if (tg3_nvram_read(tp, 0, &magic) != 0) |
| return; |
| |
| if ((magic != TG3_EEPROM_MAGIC) && |
| ((magic & TG3_EEPROM_MAGIC_FW_MSK) != TG3_EEPROM_MAGIC_FW) && |
| ((magic & TG3_EEPROM_MAGIC_HW_MSK) != TG3_EEPROM_MAGIC_HW)) |
| return; |
| |
| /* |
| * Size the chip by reading offsets at increasing powers of two. |
| * When we encounter our validation signature, we know the addressing |
| * has wrapped around, and thus have our chip size. |
| */ |
| cursize = 0x10; |
| |
| while (cursize < tp->nvram_size) { |
| if (tg3_nvram_read(tp, cursize, &val) != 0) |
| return; |
| |
| if (val == magic) |
| break; |
| |
| cursize <<= 1; |
| } |
| |
| tp->nvram_size = cursize; |
| } |
| |
| static void __devinit tg3_get_nvram_size(struct tg3 *tp) |
| { |
| u32 val; |
| |
| if (tg3_flag(tp, NO_NVRAM) || tg3_nvram_read(tp, 0, &val) != 0) |
| return; |
| |
| /* Selfboot format */ |
| if (val != TG3_EEPROM_MAGIC) { |
| tg3_get_eeprom_size(tp); |
| return; |
| } |
| |
| if (tg3_nvram_read(tp, 0xf0, &val) == 0) { |
| if (val != 0) { |
| /* This is confusing. We want to operate on the |
| * 16-bit value at offset 0xf2. The tg3_nvram_read() |
| * call will read from NVRAM and byteswap the data |
| * according to the byteswapping settings for all |
| * other register accesses. This ensures the data we |
| * want will always reside in the lower 16-bits. |
| * However, the data in NVRAM is in LE format, which |
| * means the data from the NVRAM read will always be |
| * opposite the endianness of the CPU. The 16-bit |
| * byteswap then brings the data to CPU endianness. |
| */ |
| tp->nvram_size = swab16((u16)(val & 0x0000ffff)) * 1024; |
| return; |
| } |
| } |
| tp->nvram_size = TG3_NVRAM_SIZE_512KB; |
| } |
| |
| static void __devinit tg3_get_nvram_info(struct tg3 *tp) |
| { |
| u32 nvcfg1; |
| |
| nvcfg1 = tr32(NVRAM_CFG1); |
| if (nvcfg1 & NVRAM_CFG1_FLASHIF_ENAB) { |
| tg3_flag_set(tp, FLASH); |
| } else { |
| nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS; |
| tw32(NVRAM_CFG1, nvcfg1); |
| } |
| |
| if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) || |
| tg3_flag(tp, 5780_CLASS)) { |
| switch (nvcfg1 & NVRAM_CFG1_VENDOR_MASK) { |
| case FLASH_VENDOR_ATMEL_FLASH_BUFFERED: |
| tp->nvram_jedecnum = JEDEC_ATMEL; |
| tp->nvram_pagesize = ATMEL_AT45DB0X1B_PAGE_SIZE; |
| tg3_flag_set(tp, NVRAM_BUFFERED); |
| break; |
| case FLASH_VENDOR_ATMEL_FLASH_UNBUFFERED: |
| tp->nvram_jedecnum = JEDEC_ATMEL; |
| tp->nvram_pagesize = ATMEL_AT25F512_PAGE_SIZE; |
| break; |
| case FLASH_VENDOR_ATMEL_EEPROM: |
| tp->nvram_jedecnum = JEDEC_ATMEL; |
| tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE; |
| tg3_flag_set(tp, NVRAM_BUFFERED); |
| break; |
| case FLASH_VENDOR_ST: |
| tp->nvram_jedecnum = JEDEC_ST; |
| tp->nvram_pagesize = ST_M45PEX0_PAGE_SIZE; |
| tg3_flag_set(tp, NVRAM_BUFFERED); |
| break; |
| case FLASH_VENDOR_SAIFUN: |
| tp->nvram_jedecnum = JEDEC_SAIFUN; |
| tp->nvram_pagesize = SAIFUN_SA25F0XX_PAGE_SIZE; |
| break; |
| case FLASH_VENDOR_SST_SMALL: |
| case FLASH_VENDOR_SST_LARGE: |
| tp->nvram_jedecnum = JEDEC_SST; |
| tp->nvram_pagesize = SST_25VF0X0_PAGE_SIZE; |
| break; |
| } |
| } else { |
| tp->nvram_jedecnum = JEDEC_ATMEL; |
| tp->nvram_pagesize = ATMEL_AT45DB0X1B_PAGE_SIZE; |
| tg3_flag_set(tp, NVRAM_BUFFERED); |
| } |
| } |
| |
| static void __devinit tg3_nvram_get_pagesize(struct tg3 *tp, u32 nvmcfg1) |
| { |
| switch (nvmcfg1 & NVRAM_CFG1_5752PAGE_SIZE_MASK) { |
| case FLASH_5752PAGE_SIZE_256: |
| tp->nvram_pagesize = 256; |
| break; |
| case FLASH_5752PAGE_SIZE_512: |
| tp->nvram_pagesize = 512; |
| break; |
| case FLASH_5752PAGE_SIZE_1K: |
| tp->nvram_pagesize = 1024; |
| break; |
| case FLASH_5752PAGE_SIZE_2K: |
| tp->nvram_pagesize = 2048; |
| break; |
| case FLASH_5752PAGE_SIZE_4K: |
| tp->nvram_pagesize = 4096; |
| break; |
| case FLASH_5752PAGE_SIZE_264: |
| tp->nvram_pagesize = 264; |
| break; |
| case FLASH_5752PAGE_SIZE_528: |
| tp->nvram_pagesize = 528; |
| break; |
| } |
| } |
| |
| static void __devinit tg3_get_5752_nvram_info(struct tg3 *tp) |
| { |
| u32 nvcfg1; |
| |
| nvcfg1 = tr32(NVRAM_CFG1); |
| |
| /* NVRAM protection for TPM */ |
| if (nvcfg1 & (1 << 27)) |
| tg3_flag_set(tp, PROTECTED_NVRAM); |
| |
| switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) { |
| case FLASH_5752VENDOR_ATMEL_EEPROM_64KHZ: |
| case FLASH_5752VENDOR_ATMEL_EEPROM_376KHZ: |
| tp->nvram_jedecnum = JEDEC_ATMEL; |
| tg3_flag_set(tp, NVRAM_BUFFERED); |
| break; |
| case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED: |
| tp->nvram_jedecnum = JEDEC_ATMEL; |
| tg3_flag_set(tp, NVRAM_BUFFERED); |
| tg3_flag_set(tp, FLASH); |
| break; |
| case FLASH_5752VENDOR_ST_M45PE10: |
| case FLASH_5752VENDOR_ST_M45PE20: |
| case FLASH_5752VENDOR_ST_M45PE40: |
| tp->nvram_jedecnum = JEDEC_ST; |
| tg3_flag_set(tp, NVRAM_BUFFERED); |
| tg3_flag_set(tp, FLASH); |
| break; |
| } |
| |
| if (tg3_flag(tp, FLASH)) { |
| tg3_nvram_get_pagesize(tp, nvcfg1); |
| } else { |
| /* For eeprom, set pagesize to maximum eeprom size */ |
| tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE; |
| |
| nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS; |
| tw32(NVRAM_CFG1, nvcfg1); |
| } |
| } |
| |
| static void __devinit tg3_get_5755_nvram_info(struct tg3 *tp) |
| { |
| u32 nvcfg1, protect = 0; |
| |
| nvcfg1 = tr32(NVRAM_CFG1); |
| |
| /* NVRAM protection for TPM */ |
| if (nvcfg1 & (1 << 27)) { |
| tg3_flag_set(tp, PROTECTED_NVRAM); |
| protect = 1; |
| } |
| |
| nvcfg1 &= NVRAM_CFG1_5752VENDOR_MASK; |
| switch (nvcfg1) { |
| case FLASH_5755VENDOR_ATMEL_FLASH_1: |
| case FLASH_5755VENDOR_ATMEL_FLASH_2: |
| case FLASH_5755VENDOR_ATMEL_FLASH_3: |
| case FLASH_5755VENDOR_ATMEL_FLASH_5: |
| tp->nvram_jedecnum = JEDEC_ATMEL; |
| tg3_flag_set(tp, NVRAM_BUFFERED); |
| tg3_flag_set(tp, FLASH); |
| tp->nvram_pagesize = 264; |
| if (nvcfg1 == FLASH_5755VENDOR_ATMEL_FLASH_1 || |
| nvcfg1 == FLASH_5755VENDOR_ATMEL_FLASH_5) |
| tp->nvram_size = (protect ? 0x3e200 : |
| TG3_NVRAM_SIZE_512KB); |
| else if (nvcfg1 == FLASH_5755VENDOR_ATMEL_FLASH_2) |
| tp->nvram_size = (protect ? 0x1f200 : |
| TG3_NVRAM_SIZE_256KB); |
| else |
| tp->nvram_size = (protect ? 0x1f200 : |
| TG3_NVRAM_SIZE_128KB); |
| break; |
| case FLASH_5752VENDOR_ST_M45PE10: |
| case FLASH_5752VENDOR_ST_M45PE20: |
| case FLASH_5752VENDOR_ST_M45PE40: |
| tp->nvram_jedecnum = JEDEC_ST; |
| tg3_flag_set(tp, NVRAM_BUFFERED); |
| tg3_flag_set(tp, FLASH); |
| tp->nvram_pagesize = 256; |
| if (nvcfg1 == FLASH_5752VENDOR_ST_M45PE10) |
| tp->nvram_size = (protect ? |
| TG3_NVRAM_SIZE_64KB : |
| TG3_NVRAM_SIZE_128KB); |
| else if (nvcfg1 == FLASH_5752VENDOR_ST_M45PE20) |
| tp->nvram_size = (protect ? |
| TG3_NVRAM_SIZE_64KB : |
| TG3_NVRAM_SIZE_256KB); |
| else |
| tp->nvram_size = (protect ? |
| TG3_NVRAM_SIZE_128KB : |
| TG3_NVRAM_SIZE_512KB); |
| break; |
| } |
| } |
| |
| static void __devinit tg3_get_5787_nvram_info(struct tg3 *tp) |
| { |
| u32 nvcfg1; |
| |
| nvcfg1 = tr32(NVRAM_CFG1); |
| |
| switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) { |
| case FLASH_5787VENDOR_ATMEL_EEPROM_64KHZ: |
| case FLASH_5787VENDOR_ATMEL_EEPROM_376KHZ: |
| case FLASH_5787VENDOR_MICRO_EEPROM_64KHZ: |
| case FLASH_5787VENDOR_MICRO_EEPROM_376KHZ: |
| tp->nvram_jedecnum = JEDEC_ATMEL; |
| tg3_flag_set(tp, NVRAM_BUFFERED); |
| tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE; |
| |
| nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS; |
| tw32(NVRAM_CFG1, nvcfg1); |
| break; |
| case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED: |
| case FLASH_5755VENDOR_ATMEL_FLASH_1: |
| case FLASH_5755VENDOR_ATMEL_FLASH_2: |
| case FLASH_5755VENDOR_ATMEL_FLASH_3: |
| tp->nvram_jedecnum = JEDEC_ATMEL; |
| tg3_flag_set(tp, NVRAM_BUFFERED); |
| tg3_flag_set(tp, FLASH); |
| tp->nvram_pagesize = 264; |
| break; |
| case FLASH_5752VENDOR_ST_M45PE10: |
| case FLASH_5752VENDOR_ST_M45PE20: |
| case FLASH_5752VENDOR_ST_M45PE40: |
| tp->nvram_jedecnum = JEDEC_ST; |
| tg3_flag_set(tp, NVRAM_BUFFERED); |
| tg3_flag_set(tp, FLASH); |
| tp->nvram_pagesize = 256; |
| break; |
| } |
| } |
| |
| static void __devinit tg3_get_5761_nvram_info(struct tg3 *tp) |
| { |
| u32 nvcfg1, protect = 0; |
| |
| nvcfg1 = tr32(NVRAM_CFG1); |
| |
| /* NVRAM protection for TPM */ |
| if (nvcfg1 & (1 << 27)) { |
| tg3_flag_set(tp, PROTECTED_NVRAM); |
| protect = 1; |
| } |
| |
| nvcfg1 &= NVRAM_CFG1_5752VENDOR_MASK; |
| switch (nvcfg1) { |
| case FLASH_5761VENDOR_ATMEL_ADB021D: |
| case FLASH_5761VENDOR_ATMEL_ADB041D: |
| case FLASH_5761VENDOR_ATMEL_ADB081D: |
| case FLASH_5761VENDOR_ATMEL_ADB161D: |
| case FLASH_5761VENDOR_ATMEL_MDB021D: |
| case FLASH_5761VENDOR_ATMEL_MDB041D: |
| case FLASH_5761VENDOR_ATMEL_MDB081D: |
| case FLASH_5761VENDOR_ATMEL_MDB161D: |
| tp->nvram_jedecnum = JEDEC_ATMEL; |
| tg3_flag_set(tp, NVRAM_BUFFERED); |
| tg3_flag_set(tp, FLASH); |
| tg3_flag_set(tp, NO_NVRAM_ADDR_TRANS); |
| tp->nvram_pagesize = 256; |
| break; |
| case FLASH_5761VENDOR_ST_A_M45PE20: |
| case FLASH_5761VENDOR_ST_A_M45PE40: |
| case FLASH_5761VENDOR_ST_A_M45PE80: |
| case FLASH_5761VENDOR_ST_A_M45PE16: |
| case FLASH_5761VENDOR_ST_M_M45PE20: |
| case FLASH_5761VENDOR_ST_M_M45PE40: |
| case FLASH_5761VENDOR_ST_M_M45PE80: |
| case FLASH_5761VENDOR_ST_M_M45PE16: |
| tp->nvram_jedecnum = JEDEC_ST; |
| tg3_flag_set(tp, NVRAM_BUFFERED); |
| tg3_flag_set(tp, FLASH); |
| tp->nvram_pagesize = 256; |
| break; |
| } |
| |
| if (protect) { |
| tp->nvram_size = tr32(NVRAM_ADDR_LOCKOUT); |
| } else { |
| switch (nvcfg1) { |
| case FLASH_5761VENDOR_ATMEL_ADB161D: |
| case FLASH_5761VENDOR_ATMEL_MDB161D: |
| case FLASH_5761VENDOR_ST_A_M45PE16: |
| case FLASH_5761VENDOR_ST_M_M45PE16: |
| tp->nvram_size = TG3_NVRAM_SIZE_2MB; |
| break; |
| case FLASH_5761VENDOR_ATMEL_ADB081D: |
| case FLASH_5761VENDOR_ATMEL_MDB081D: |
| case FLASH_5761VENDOR_ST_A_M45PE80: |
| case FLASH_5761VENDOR_ST_M_M45PE80: |
| tp->nvram_size = TG3_NVRAM_SIZE_1MB; |
| break; |
| case FLASH_5761VENDOR_ATMEL_ADB041D: |
| case FLASH_5761VENDOR_ATMEL_MDB041D: |
| case FLASH_5761VENDOR_ST_A_M45PE40: |
| case FLASH_5761VENDOR_ST_M_M45PE40: |
| tp->nvram_size = TG3_NVRAM_SIZE_512KB; |
| break; |
| case FLASH_5761VENDOR_ATMEL_ADB021D: |
| case FLASH_5761VENDOR_ATMEL_MDB021D: |
| case FLASH_5761VENDOR_ST_A_M45PE20: |
| case FLASH_5761VENDOR_ST_M_M45PE20: |
| tp->nvram_size = TG3_NVRAM_SIZE_256KB; |
| break; |
| } |
| } |
| } |
| |
| static void __devinit tg3_get_5906_nvram_info(struct tg3 *tp) |
| { |
| tp->nvram_jedecnum = JEDEC_ATMEL; |
| tg3_flag_set(tp, NVRAM_BUFFERED); |
| tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE; |
| } |
| |
| static void __devinit tg3_get_57780_nvram_info(struct tg3 *tp) |
| { |
| u32 nvcfg1; |
| |
| nvcfg1 = tr32(NVRAM_CFG1); |
| |
| switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) { |
| case FLASH_5787VENDOR_ATMEL_EEPROM_376KHZ: |
| case FLASH_5787VENDOR_MICRO_EEPROM_376KHZ: |
| tp->nvram_jedecnum = JEDEC_ATMEL; |
| tg3_flag_set(tp, NVRAM_BUFFERED); |
| tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE; |
| |
| nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS; |
| tw32(NVRAM_CFG1, nvcfg1); |
| return; |
| case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED: |
| case FLASH_57780VENDOR_ATMEL_AT45DB011D: |
| case FLASH_57780VENDOR_ATMEL_AT45DB011B: |
| case FLASH_57780VENDOR_ATMEL_AT45DB021D: |
| case FLASH_57780VENDOR_ATMEL_AT45DB021B: |
| case FLASH_57780VENDOR_ATMEL_AT45DB041D: |
| case FLASH_57780VENDOR_ATMEL_AT45DB041B: |
| tp->nvram_jedecnum = JEDEC_ATMEL; |
| tg3_flag_set(tp, NVRAM_BUFFERED); |
| tg3_flag_set(tp, FLASH); |
| |
| switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) { |
| case FLASH_5752VENDOR_ATMEL_FLASH_BUFFERED: |
| case FLASH_57780VENDOR_ATMEL_AT45DB011D: |
| case FLASH_57780VENDOR_ATMEL_AT45DB011B: |
| tp->nvram_size = TG3_NVRAM_SIZE_128KB; |
| break; |
| case FLASH_57780VENDOR_ATMEL_AT45DB021D: |
| case FLASH_57780VENDOR_ATMEL_AT45DB021B: |
| tp->nvram_size = TG3_NVRAM_SIZE_256KB; |
| break; |
| case FLASH_57780VENDOR_ATMEL_AT45DB041D: |
| case FLASH_57780VENDOR_ATMEL_AT45DB041B: |
| tp->nvram_size = TG3_NVRAM_SIZE_512KB; |
| break; |
| } |
| break; |
| case FLASH_5752VENDOR_ST_M45PE10: |
| case FLASH_5752VENDOR_ST_M45PE20: |
| case FLASH_5752VENDOR_ST_M45PE40: |
| tp->nvram_jedecnum = JEDEC_ST; |
| tg3_flag_set(tp, NVRAM_BUFFERED); |
| tg3_flag_set(tp, FLASH); |
| |
| switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) { |
| case FLASH_5752VENDOR_ST_M45PE10: |
| tp->nvram_size = TG3_NVRAM_SIZE_128KB; |
| break; |
| case FLASH_5752VENDOR_ST_M45PE20: |
| tp->nvram_size = TG3_NVRAM_SIZE_256KB; |
| break; |
| case FLASH_5752VENDOR_ST_M45PE40: |
| tp->nvram_size = TG3_NVRAM_SIZE_512KB; |
| break; |
| } |
| break; |
| default: |
| tg3_flag_set(tp, NO_NVRAM); |
| return; |
| } |
| |
| tg3_nvram_get_pagesize(tp, nvcfg1); |
| if (tp->nvram_pagesize != 264 && tp->nvram_pagesize != 528) |
| tg3_flag_set(tp, NO_NVRAM_ADDR_TRANS); |
| } |
| |
| |
| static void __devinit tg3_get_5717_nvram_info(struct tg3 *tp) |
| { |
| u32 nvcfg1; |
| |
| nvcfg1 = tr32(NVRAM_CFG1); |
| |
| switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) { |
| case FLASH_5717VENDOR_ATMEL_EEPROM: |
| case FLASH_5717VENDOR_MICRO_EEPROM: |
| tp->nvram_jedecnum = JEDEC_ATMEL; |
| tg3_flag_set(tp, NVRAM_BUFFERED); |
| tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE; |
| |
| nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS; |
| tw32(NVRAM_CFG1, nvcfg1); |
| return; |
| case FLASH_5717VENDOR_ATMEL_MDB011D: |
| case FLASH_5717VENDOR_ATMEL_ADB011B: |
| case FLASH_5717VENDOR_ATMEL_ADB011D: |
| case FLASH_5717VENDOR_ATMEL_MDB021D: |
| case FLASH_5717VENDOR_ATMEL_ADB021B: |
| case FLASH_5717VENDOR_ATMEL_ADB021D: |
| case FLASH_5717VENDOR_ATMEL_45USPT: |
| tp->nvram_jedecnum = JEDEC_ATMEL; |
| tg3_flag_set(tp, NVRAM_BUFFERED); |
| tg3_flag_set(tp, FLASH); |
| |
| switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) { |
| case FLASH_5717VENDOR_ATMEL_MDB021D: |
| /* Detect size with tg3_nvram_get_size() */ |
| break; |
| case FLASH_5717VENDOR_ATMEL_ADB021B: |
| case FLASH_5717VENDOR_ATMEL_ADB021D: |
| tp->nvram_size = TG3_NVRAM_SIZE_256KB; |
| break; |
| default: |
| tp->nvram_size = TG3_NVRAM_SIZE_128KB; |
| break; |
| } |
| break; |
| case FLASH_5717VENDOR_ST_M_M25PE10: |
| case FLASH_5717VENDOR_ST_A_M25PE10: |
| case FLASH_5717VENDOR_ST_M_M45PE10: |
| case FLASH_5717VENDOR_ST_A_M45PE10: |
| case FLASH_5717VENDOR_ST_M_M25PE20: |
| case FLASH_5717VENDOR_ST_A_M25PE20: |
| case FLASH_5717VENDOR_ST_M_M45PE20: |
| case FLASH_5717VENDOR_ST_A_M45PE20: |
| case FLASH_5717VENDOR_ST_25USPT: |
| case FLASH_5717VENDOR_ST_45USPT: |
| tp->nvram_jedecnum = JEDEC_ST; |
| tg3_flag_set(tp, NVRAM_BUFFERED); |
| tg3_flag_set(tp, FLASH); |
| |
| switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) { |
| case FLASH_5717VENDOR_ST_M_M25PE20: |
| case FLASH_5717VENDOR_ST_M_M45PE20: |
| /* Detect size with tg3_nvram_get_size() */ |
| break; |
| case FLASH_5717VENDOR_ST_A_M25PE20: |
| case FLASH_5717VENDOR_ST_A_M45PE20: |
| tp->nvram_size = TG3_NVRAM_SIZE_256KB; |
| break; |
| default: |
| tp->nvram_size = TG3_NVRAM_SIZE_128KB; |
| break; |
| } |
| break; |
| default: |
| tg3_flag_set(tp, NO_NVRAM); |
| return; |
| } |
| |
| tg3_nvram_get_pagesize(tp, nvcfg1); |
| if (tp->nvram_pagesize != 264 && tp->nvram_pagesize != 528) |
| tg3_flag_set(tp, NO_NVRAM_ADDR_TRANS); |
| } |
| |
| static void __devinit tg3_get_5720_nvram_info(struct tg3 *tp) |
| { |
| u32 nvcfg1, nvmpinstrp; |
| |
| nvcfg1 = tr32(NVRAM_CFG1); |
| nvmpinstrp = nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK; |
| |
| switch (nvmpinstrp) { |
| case FLASH_5720_EEPROM_HD: |
| case FLASH_5720_EEPROM_LD: |
| tp->nvram_jedecnum = JEDEC_ATMEL; |
| tg3_flag_set(tp, NVRAM_BUFFERED); |
| |
| nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS; |
| tw32(NVRAM_CFG1, nvcfg1); |
| if (nvmpinstrp == FLASH_5720_EEPROM_HD) |
| tp->nvram_pagesize = ATMEL_AT24C512_CHIP_SIZE; |
| else |
| tp->nvram_pagesize = ATMEL_AT24C02_CHIP_SIZE; |
| return; |
| case FLASH_5720VENDOR_M_ATMEL_DB011D: |
| case FLASH_5720VENDOR_A_ATMEL_DB011B: |
| case FLASH_5720VENDOR_A_ATMEL_DB011D: |
| case FLASH_5720VENDOR_M_ATMEL_DB021D: |
| case FLASH_5720VENDOR_A_ATMEL_DB021B: |
| case FLASH_5720VENDOR_A_ATMEL_DB021D: |
| case FLASH_5720VENDOR_M_ATMEL_DB041D: |
| case FLASH_5720VENDOR_A_ATMEL_DB041B: |
| case FLASH_5720VENDOR_A_ATMEL_DB041D: |
| case FLASH_5720VENDOR_M_ATMEL_DB081D: |
| case FLASH_5720VENDOR_A_ATMEL_DB081D: |
| case FLASH_5720VENDOR_ATMEL_45USPT: |
| tp->nvram_jedecnum = JEDEC_ATMEL; |
| tg3_flag_set(tp, NVRAM_BUFFERED); |
| tg3_flag_set(tp, FLASH); |
| |
| switch (nvmpinstrp) { |
| case FLASH_5720VENDOR_M_ATMEL_DB021D: |
| case FLASH_5720VENDOR_A_ATMEL_DB021B: |
| case FLASH_5720VENDOR_A_ATMEL_DB021D: |
| tp->nvram_size = TG3_NVRAM_SIZE_256KB; |
| break; |
| case FLASH_5720VENDOR_M_ATMEL_DB041D: |
| case FLASH_5720VENDOR_A_ATMEL_DB041B: |
| case FLASH_5720VENDOR_A_ATMEL_DB041D: |
| tp->nvram_size = TG3_NVRAM_SIZE_512KB; |
| break; |
| case FLASH_5720VENDOR_M_ATMEL_DB081D: |
| case FLASH_5720VENDOR_A_ATMEL_DB081D: |
| tp->nvram_size = TG3_NVRAM_SIZE_1MB; |
| break; |
| default: |
| tp->nvram_size = TG3_NVRAM_SIZE_128KB; |
| break; |
| } |
| break; |
| case FLASH_5720VENDOR_M_ST_M25PE10: |
| case FLASH_5720VENDOR_M_ST_M45PE10: |
| case FLASH_5720VENDOR_A_ST_M25PE10: |
| case FLASH_5720VENDOR_A_ST_M45PE10: |
| case FLASH_5720VENDOR_M_ST_M25PE20: |
| case FLASH_5720VENDOR_M_ST_M45PE20: |
| case FLASH_5720VENDOR_A_ST_M25PE20: |
| case FLASH_5720VENDOR_A_ST_M45PE20: |
| case FLASH_5720VENDOR_M_ST_M25PE40: |
| case FLASH_5720VENDOR_M_ST_M45PE40: |
| case FLASH_5720VENDOR_A_ST_M25PE40: |
| case FLASH_5720VENDOR_A_ST_M45PE40: |
| case FLASH_5720VENDOR_M_ST_M25PE80: |
| case FLASH_5720VENDOR_M_ST_M45PE80: |
| case FLASH_5720VENDOR_A_ST_M25PE80: |
| case FLASH_5720VENDOR_A_ST_M45PE80: |
| case FLASH_5720VENDOR_ST_25USPT: |
| case FLASH_5720VENDOR_ST_45USPT: |
| tp->nvram_jedecnum = JEDEC_ST; |
| tg3_flag_set(tp, NVRAM_BUFFERED); |
| tg3_flag_set(tp, FLASH); |
| |
| switch (nvmpinstrp) { |
| case FLASH_5720VENDOR_M_ST_M25PE20: |
| case FLASH_5720VENDOR_M_ST_M45PE20: |
| case FLASH_5720VENDOR_A_ST_M25PE20: |
| case FLASH_5720VENDOR_A_ST_M45PE20: |
| tp->nvram_size = TG3_NVRAM_SIZE_256KB; |
| break; |
| case FLASH_5720VENDOR_M_ST_M25PE40: |
| case FLASH_5720VENDOR_M_ST_M45PE40: |
| case FLASH_5720VENDOR_A_ST_M25PE40: |
| case FLASH_5720VENDOR_A_ST_M45PE40: |
| tp->nvram_size = TG3_NVRAM_SIZE_512KB; |
| break; |
| case FLASH_5720VENDOR_M_ST_M25PE80: |
| case FLASH_5720VENDOR_M_ST_M45PE80: |
| case FLASH_5720VENDOR_A_ST_M25PE80: |
| case FLASH_5720VENDOR_A_ST_M45PE80: |
| tp->nvram_size = TG3_NVRAM_SIZE_1MB; |
| break; |
| default: |
| tp->nvram_size = TG3_NVRAM_SIZE_128KB; |
| break; |
| } |
| break; |
| default: |
| tg3_flag_set(tp, NO_NVRAM); |
| return; |
| } |
| |
| tg3_nvram_get_pagesize(tp, nvcfg1); |
| if (tp->nvram_pagesize != 264 && tp->nvram_pagesize != 528) |
| tg3_flag_set(tp, NO_NVRAM_ADDR_TRANS); |
| } |
| |
| /* Chips other than 5700/5701 use the NVRAM for fetching info. */ |
| static void __devinit tg3_nvram_init(struct tg3 *tp) |
| { |
| tw32_f(GRC_EEPROM_ADDR, |
| (EEPROM_ADDR_FSM_RESET | |
| (EEPROM_DEFAULT_CLOCK_PERIOD << |
| EEPROM_ADDR_CLKPERD_SHIFT))); |
| |
| msleep(1); |
| |
| /* Enable seeprom accesses. */ |
| tw32_f(GRC_LOCAL_CTRL, |
| tr32(GRC_LOCAL_CTRL) | GRC_LCLCTRL_AUTO_SEEPROM); |
| udelay(100); |
| |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 && |
| GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) { |
| tg3_flag_set(tp, NVRAM); |
| |
| if (tg3_nvram_lock(tp)) { |
| netdev_warn(tp->dev, |
| "Cannot get nvram lock, %s failed\n", |
| __func__); |
| return; |
| } |
| tg3_enable_nvram_access(tp); |
| |
| tp->nvram_size = 0; |
| |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752) |
| tg3_get_5752_nvram_info(tp); |
| else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755) |
| tg3_get_5755_nvram_info(tp); |
| else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785) |
| tg3_get_5787_nvram_info(tp); |
| else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761) |
| tg3_get_5761_nvram_info(tp); |
| else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) |
| tg3_get_5906_nvram_info(tp); |
| else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765) |
| tg3_get_57780_nvram_info(tp); |
| else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5719) |
| tg3_get_5717_nvram_info(tp); |
| else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5720) |
| tg3_get_5720_nvram_info(tp); |
| else |
| tg3_get_nvram_info(tp); |
| |
| if (tp->nvram_size == 0) |
| tg3_get_nvram_size(tp); |
| |
| tg3_disable_nvram_access(tp); |
| tg3_nvram_unlock(tp); |
| |
| } else { |
| tg3_flag_clear(tp, NVRAM); |
| tg3_flag_clear(tp, NVRAM_BUFFERED); |
| |
| tg3_get_eeprom_size(tp); |
| } |
| } |
| |
| static int tg3_nvram_write_block_using_eeprom(struct tg3 *tp, |
| u32 offset, u32 len, u8 *buf) |
| { |
| int i, j, rc = 0; |
| u32 val; |
| |
| for (i = 0; i < len; i += 4) { |
| u32 addr; |
| __be32 data; |
| |
| addr = offset + i; |
| |
| memcpy(&data, buf + i, 4); |
| |
| /* |
| * The SEEPROM interface expects the data to always be opposite |
| * the native endian format. We accomplish this by reversing |
| * all the operations that would have been performed on the |
| * data from a call to tg3_nvram_read_be32(). |
| */ |
| tw32(GRC_EEPROM_DATA, swab32(be32_to_cpu(data))); |
| |
| val = tr32(GRC_EEPROM_ADDR); |
| tw32(GRC_EEPROM_ADDR, val | EEPROM_ADDR_COMPLETE); |
| |
| val &= ~(EEPROM_ADDR_ADDR_MASK | EEPROM_ADDR_DEVID_MASK | |
| EEPROM_ADDR_READ); |
| tw32(GRC_EEPROM_ADDR, val | |
| (0 << EEPROM_ADDR_DEVID_SHIFT) | |
| (addr & EEPROM_ADDR_ADDR_MASK) | |
| EEPROM_ADDR_START | |
| EEPROM_ADDR_WRITE); |
| |
| for (j = 0; j < 1000; j++) { |
| val = tr32(GRC_EEPROM_ADDR); |
| |
| if (val & EEPROM_ADDR_COMPLETE) |
| break; |
| msleep(1); |
| } |
| if (!(val & EEPROM_ADDR_COMPLETE)) { |
| rc = -EBUSY; |
| break; |
| } |
| } |
| |
| return rc; |
| } |
| |
| /* offset and length are dword aligned */ |
| static int tg3_nvram_write_block_unbuffered(struct tg3 *tp, u32 offset, u32 len, |
| u8 *buf) |
| { |
| int ret = 0; |
| u32 pagesize = tp->nvram_pagesize; |
| u32 pagemask = pagesize - 1; |
| u32 nvram_cmd; |
| u8 *tmp; |
| |
| tmp = kmalloc(pagesize, GFP_KERNEL); |
| if (tmp == NULL) |
| return -ENOMEM; |
| |
| while (len) { |
| int j; |
| u32 phy_addr, page_off, size; |
| |
| phy_addr = offset & ~pagemask; |
| |
| for (j = 0; j < pagesize; j += 4) { |
| ret = tg3_nvram_read_be32(tp, phy_addr + j, |
| (__be32 *) (tmp + j)); |
| if (ret) |
| break; |
| } |
| if (ret) |
| break; |
| |
| page_off = offset & pagemask; |
| size = pagesize; |
| if (len < size) |
| size = len; |
| |
| len -= size; |
| |
| memcpy(tmp + page_off, buf, size); |
| |
| offset = offset + (pagesize - page_off); |
| |
| tg3_enable_nvram_access(tp); |
| |
| /* |
| * Before we can erase the flash page, we need |
| * to issue a special "write enable" command. |
| */ |
| nvram_cmd = NVRAM_CMD_WREN | NVRAM_CMD_GO | NVRAM_CMD_DONE; |
| |
| if (tg3_nvram_exec_cmd(tp, nvram_cmd)) |
| break; |
| |
| /* Erase the target page */ |
| tw32(NVRAM_ADDR, phy_addr); |
| |
| nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE | NVRAM_CMD_WR | |
| NVRAM_CMD_FIRST | NVRAM_CMD_LAST | NVRAM_CMD_ERASE; |
| |
| if (tg3_nvram_exec_cmd(tp, nvram_cmd)) |
| break; |
| |
| /* Issue another write enable to start the write. */ |
| nvram_cmd = NVRAM_CMD_WREN | NVRAM_CMD_GO | NVRAM_CMD_DONE; |
| |
| if (tg3_nvram_exec_cmd(tp, nvram_cmd)) |
| break; |
| |
| for (j = 0; j < pagesize; j += 4) { |
| __be32 data; |
| |
| data = *((__be32 *) (tmp + j)); |
| |
| tw32(NVRAM_WRDATA, be32_to_cpu(data)); |
| |
| tw32(NVRAM_ADDR, phy_addr + j); |
| |
| nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE | |
| NVRAM_CMD_WR; |
| |
| if (j == 0) |
| nvram_cmd |= NVRAM_CMD_FIRST; |
| else if (j == (pagesize - 4)) |
| nvram_cmd |= NVRAM_CMD_LAST; |
| |
| if ((ret = tg3_nvram_exec_cmd(tp, nvram_cmd))) |
| break; |
| } |
| if (ret) |
| break; |
| } |
| |
| nvram_cmd = NVRAM_CMD_WRDI | NVRAM_CMD_GO | NVRAM_CMD_DONE; |
| tg3_nvram_exec_cmd(tp, nvram_cmd); |
| |
| kfree(tmp); |
| |
| return ret; |
| } |
| |
| /* offset and length are dword aligned */ |
| static int tg3_nvram_write_block_buffered(struct tg3 *tp, u32 offset, u32 len, |
| u8 *buf) |
| { |
| int i, ret = 0; |
| |
| for (i = 0; i < len; i += 4, offset += 4) { |
| u32 page_off, phy_addr, nvram_cmd; |
| __be32 data; |
| |
| memcpy(&data, buf + i, 4); |
| tw32(NVRAM_WRDATA, be32_to_cpu(data)); |
| |
| page_off = offset % tp->nvram_pagesize; |
| |
| phy_addr = tg3_nvram_phys_addr(tp, offset); |
| |
| tw32(NVRAM_ADDR, phy_addr); |
| |
| nvram_cmd = NVRAM_CMD_GO | NVRAM_CMD_DONE | NVRAM_CMD_WR; |
| |
| if (page_off == 0 || i == 0) |
| nvram_cmd |= NVRAM_CMD_FIRST; |
| if (page_off == (tp->nvram_pagesize - 4)) |
| nvram_cmd |= NVRAM_CMD_LAST; |
| |
| if (i == (len - 4)) |
| nvram_cmd |= NVRAM_CMD_LAST; |
| |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5752 && |
| !tg3_flag(tp, 5755_PLUS) && |
| (tp->nvram_jedecnum == JEDEC_ST) && |
| (nvram_cmd & NVRAM_CMD_FIRST)) { |
| |
| if ((ret = tg3_nvram_exec_cmd(tp, |
| NVRAM_CMD_WREN | NVRAM_CMD_GO | |
| NVRAM_CMD_DONE))) |
| |
| break; |
| } |
| if (!tg3_flag(tp, FLASH)) { |
| /* We always do complete word writes to eeprom. */ |
| nvram_cmd |= (NVRAM_CMD_FIRST | NVRAM_CMD_LAST); |
| } |
| |
| if ((ret = tg3_nvram_exec_cmd(tp, nvram_cmd))) |
| break; |
| } |
| return ret; |
| } |
| |
| /* offset and length are dword aligned */ |
| static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf) |
| { |
| int ret; |
| |
| if (tg3_flag(tp, EEPROM_WRITE_PROT)) { |
| tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl & |
| ~GRC_LCLCTRL_GPIO_OUTPUT1); |
| udelay(40); |
| } |
| |
| if (!tg3_flag(tp, NVRAM)) { |
| ret = tg3_nvram_write_block_using_eeprom(tp, offset, len, buf); |
| } else { |
| u32 grc_mode; |
| |
| ret = tg3_nvram_lock(tp); |
| if (ret) |
| return ret; |
| |
| tg3_enable_nvram_access(tp); |
| if (tg3_flag(tp, 5750_PLUS) && !tg3_flag(tp, PROTECTED_NVRAM)) |
| tw32(NVRAM_WRITE1, 0x406); |
| |
| grc_mode = tr32(GRC_MODE); |
| tw32(GRC_MODE, grc_mode | GRC_MODE_NVRAM_WR_ENABLE); |
| |
| if (tg3_flag(tp, NVRAM_BUFFERED) || !tg3_flag(tp, FLASH)) { |
| ret = tg3_nvram_write_block_buffered(tp, offset, len, |
| buf); |
| } else { |
| ret = tg3_nvram_write_block_unbuffered(tp, offset, len, |
| buf); |
| } |
| |
| grc_mode = tr32(GRC_MODE); |
| tw32(GRC_MODE, grc_mode & ~GRC_MODE_NVRAM_WR_ENABLE); |
| |
| tg3_disable_nvram_access(tp); |
| tg3_nvram_unlock(tp); |
| } |
| |
| if (tg3_flag(tp, EEPROM_WRITE_PROT)) { |
| tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl); |
| udelay(40); |
| } |
| |
| return ret; |
| } |
| |
| struct subsys_tbl_ent { |
| u16 subsys_vendor, subsys_devid; |
| u32 phy_id; |
| }; |
| |
| static struct subsys_tbl_ent subsys_id_to_phy_id[] __devinitdata = { |
| /* Broadcom boards. */ |
| { TG3PCI_SUBVENDOR_ID_BROADCOM, |
| TG3PCI_SUBDEVICE_ID_BROADCOM_95700A6, TG3_PHY_ID_BCM5401 }, |
| { TG3PCI_SUBVENDOR_ID_BROADCOM, |
| TG3PCI_SUBDEVICE_ID_BROADCOM_95701A5, TG3_PHY_ID_BCM5701 }, |
| { TG3PCI_SUBVENDOR_ID_BROADCOM, |
| TG3PCI_SUBDEVICE_ID_BROADCOM_95700T6, TG3_PHY_ID_BCM8002 }, |
| { TG3PCI_SUBVENDOR_ID_BROADCOM, |
| TG3PCI_SUBDEVICE_ID_BROADCOM_95700A9, 0 }, |
| { TG3PCI_SUBVENDOR_ID_BROADCOM, |
| TG3PCI_SUBDEVICE_ID_BROADCOM_95701T1, TG3_PHY_ID_BCM5701 }, |
| { TG3PCI_SUBVENDOR_ID_BROADCOM, |
| TG3PCI_SUBDEVICE_ID_BROADCOM_95701T8, TG3_PHY_ID_BCM5701 }, |
| { TG3PCI_SUBVENDOR_ID_BROADCOM, |
| TG3PCI_SUBDEVICE_ID_BROADCOM_95701A7, 0 }, |
| { TG3PCI_SUBVENDOR_ID_BROADCOM, |
| TG3PCI_SUBDEVICE_ID_BROADCOM_95701A10, TG3_PHY_ID_BCM5701 }, |
| { TG3PCI_SUBVENDOR_ID_BROADCOM, |
| TG3PCI_SUBDEVICE_ID_BROADCOM_95701A12, TG3_PHY_ID_BCM5701 }, |
| { TG3PCI_SUBVENDOR_ID_BROADCOM, |
| TG3PCI_SUBDEVICE_ID_BROADCOM_95703AX1, TG3_PHY_ID_BCM5703 }, |
| { TG3PCI_SUBVENDOR_ID_BROADCOM, |
| TG3PCI_SUBDEVICE_ID_BROADCOM_95703AX2, TG3_PHY_ID_BCM5703 }, |
| |
| /* 3com boards. */ |
| { TG3PCI_SUBVENDOR_ID_3COM, |
| TG3PCI_SUBDEVICE_ID_3COM_3C996T, TG3_PHY_ID_BCM5401 }, |
| { TG3PCI_SUBVENDOR_ID_3COM, |
| TG3PCI_SUBDEVICE_ID_3COM_3C996BT, TG3_PHY_ID_BCM5701 }, |
| { TG3PCI_SUBVENDOR_ID_3COM, |
| TG3PCI_SUBDEVICE_ID_3COM_3C996SX, 0 }, |
| { TG3PCI_SUBVENDOR_ID_3COM, |
| TG3PCI_SUBDEVICE_ID_3COM_3C1000T, TG3_PHY_ID_BCM5701 }, |
| { TG3PCI_SUBVENDOR_ID_3COM, |
| TG3PCI_SUBDEVICE_ID_3COM_3C940BR01, TG3_PHY_ID_BCM5701 }, |
| |
| /* DELL boards. */ |
| { TG3PCI_SUBVENDOR_ID_DELL, |
| TG3PCI_SUBDEVICE_ID_DELL_VIPER, TG3_PHY_ID_BCM5401 }, |
| { TG3PCI_SUBVENDOR_ID_DELL, |
| TG3PCI_SUBDEVICE_ID_DELL_JAGUAR, TG3_PHY_ID_BCM5401 }, |
| { TG3PCI_SUBVENDOR_ID_DELL, |
| TG3PCI_SUBDEVICE_ID_DELL_MERLOT, TG3_PHY_ID_BCM5411 }, |
| { TG3PCI_SUBVENDOR_ID_DELL, |
| TG3PCI_SUBDEVICE_ID_DELL_SLIM_MERLOT, TG3_PHY_ID_BCM5411 }, |
| |
| /* Compaq boards. */ |
| { TG3PCI_SUBVENDOR_ID_COMPAQ, |
| TG3PCI_SUBDEVICE_ID_COMPAQ_BANSHEE, TG3_PHY_ID_BCM5701 }, |
| { TG3PCI_SUBVENDOR_ID_COMPAQ, |
| TG3PCI_SUBDEVICE_ID_COMPAQ_BANSHEE_2, TG3_PHY_ID_BCM5701 }, |
| { TG3PCI_SUBVENDOR_ID_COMPAQ, |
| TG3PCI_SUBDEVICE_ID_COMPAQ_CHANGELING, 0 }, |
| { TG3PCI_SUBVENDOR_ID_COMPAQ, |
| TG3PCI_SUBDEVICE_ID_COMPAQ_NC7780, TG3_PHY_ID_BCM5701 }, |
| { TG3PCI_SUBVENDOR_ID_COMPAQ, |
| TG3PCI_SUBDEVICE_ID_COMPAQ_NC7780_2, TG3_PHY_ID_BCM5701 }, |
| |
| /* IBM boards. */ |
| { TG3PCI_SUBVENDOR_ID_IBM, |
| TG3PCI_SUBDEVICE_ID_IBM_5703SAX2, 0 } |
| }; |
| |
| static struct subsys_tbl_ent * __devinit tg3_lookup_by_subsys(struct tg3 *tp) |
| { |
| int i; |
| |
| for (i = 0; i < ARRAY_SIZE(subsys_id_to_phy_id); i++) { |
| if ((subsys_id_to_phy_id[i].subsys_vendor == |
| tp->pdev->subsystem_vendor) && |
| (subsys_id_to_phy_id[i].subsys_devid == |
| tp->pdev->subsystem_device)) |
| return &subsys_id_to_phy_id[i]; |
| } |
| return NULL; |
| } |
| |
| static void __devinit tg3_get_eeprom_hw_cfg(struct tg3 *tp) |
| { |
| u32 val; |
| u16 pmcsr; |
| |
| /* On some early chips the SRAM cannot be accessed in D3hot state, |
| * so need make sure we're in D0. |
| */ |
| pci_read_config_word(tp->pdev, tp->pm_cap + PCI_PM_CTRL, &pmcsr); |
| pmcsr &= ~PCI_PM_CTRL_STATE_MASK; |
| pci_write_config_word(tp->pdev, tp->pm_cap + PCI_PM_CTRL, pmcsr); |
| msleep(1); |
| |
| /* Make sure register accesses (indirect or otherwise) |
| * will function correctly. |
| */ |
| pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL, |
| tp->misc_host_ctrl); |
| |
| /* The memory arbiter has to be enabled in order for SRAM accesses |
| * to succeed. Normally on powerup the tg3 chip firmware will make |
| * sure it is enabled, but other entities such as system netboot |
| * code might disable it. |
| */ |
| val = tr32(MEMARB_MODE); |
| tw32(MEMARB_MODE, val | MEMARB_MODE_ENABLE); |
| |
| tp->phy_id = TG3_PHY_ID_INVALID; |
| tp->led_ctrl = LED_CTRL_MODE_PHY_1; |
| |
| /* Assume an onboard device and WOL capable by default. */ |
| tg3_flag_set(tp, EEPROM_WRITE_PROT); |
| tg3_flag_set(tp, WOL_CAP); |
| |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) { |
| if (!(tr32(PCIE_TRANSACTION_CFG) & PCIE_TRANS_CFG_LOM)) { |
| tg3_flag_clear(tp, EEPROM_WRITE_PROT); |
| tg3_flag_set(tp, IS_NIC); |
| } |
| val = tr32(VCPU_CFGSHDW); |
| if (val & VCPU_CFGSHDW_ASPM_DBNC) |
| tg3_flag_set(tp, ASPM_WORKAROUND); |
| if ((val & VCPU_CFGSHDW_WOL_ENABLE) && |
| (val & VCPU_CFGSHDW_WOL_MAGPKT)) { |
| tg3_flag_set(tp, WOL_ENABLE); |
| device_set_wakeup_enable(&tp->pdev->dev, true); |
| } |
| goto done; |
| } |
| |
| tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val); |
| if (val == NIC_SRAM_DATA_SIG_MAGIC) { |
| u32 nic_cfg, led_cfg; |
| u32 nic_phy_id, ver, cfg2 = 0, cfg4 = 0, eeprom_phy_id; |
| int eeprom_phy_serdes = 0; |
| |
| tg3_read_mem(tp, NIC_SRAM_DATA_CFG, &nic_cfg); |
| tp->nic_sram_data_cfg = nic_cfg; |
| |
| tg3_read_mem(tp, NIC_SRAM_DATA_VER, &ver); |
| ver >>= NIC_SRAM_DATA_VER_SHIFT; |
| if ((GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700) && |
| (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) && |
| (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5703) && |
| (ver > 0) && (ver < 0x100)) |
| tg3_read_mem(tp, NIC_SRAM_DATA_CFG_2, &cfg2); |
| |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785) |
| tg3_read_mem(tp, NIC_SRAM_DATA_CFG_4, &cfg4); |
| |
| if ((nic_cfg & NIC_SRAM_DATA_CFG_PHY_TYPE_MASK) == |
| NIC_SRAM_DATA_CFG_PHY_TYPE_FIBER) |
| eeprom_phy_serdes = 1; |
| |
| tg3_read_mem(tp, NIC_SRAM_DATA_PHY_ID, &nic_phy_id); |
| if (nic_phy_id != 0) { |
| u32 id1 = nic_phy_id & NIC_SRAM_DATA_PHY_ID1_MASK; |
| u32 id2 = nic_phy_id & NIC_SRAM_DATA_PHY_ID2_MASK; |
| |
| eeprom_phy_id = (id1 >> 16) << 10; |
| eeprom_phy_id |= (id2 & 0xfc00) << 16; |
| eeprom_phy_id |= (id2 & 0x03ff) << 0; |
| } else |
| eeprom_phy_id = 0; |
| |
| tp->phy_id = eeprom_phy_id; |
| if (eeprom_phy_serdes) { |
| if (!tg3_flag(tp, 5705_PLUS)) |
| tp->phy_flags |= TG3_PHYFLG_PHY_SERDES; |
| else |
| tp->phy_flags |= TG3_PHYFLG_MII_SERDES; |
| } |
| |
| if (tg3_flag(tp, 5750_PLUS)) |
| led_cfg = cfg2 & (NIC_SRAM_DATA_CFG_LED_MODE_MASK | |
| SHASTA_EXT_LED_MODE_MASK); |
| else |
| led_cfg = nic_cfg & NIC_SRAM_DATA_CFG_LED_MODE_MASK; |
| |
| switch (led_cfg) { |
| default: |
| case NIC_SRAM_DATA_CFG_LED_MODE_PHY_1: |
| tp->led_ctrl = LED_CTRL_MODE_PHY_1; |
| break; |
| |
| case NIC_SRAM_DATA_CFG_LED_MODE_PHY_2: |
| tp->led_ctrl = LED_CTRL_MODE_PHY_2; |
| break; |
| |
| case NIC_SRAM_DATA_CFG_LED_MODE_MAC: |
| tp->led_ctrl = LED_CTRL_MODE_MAC; |
| |
| /* Default to PHY_1_MODE if 0 (MAC_MODE) is |
| * read on some older 5700/5701 bootcode. |
| */ |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == |
| ASIC_REV_5700 || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == |
| ASIC_REV_5701) |
| tp->led_ctrl = LED_CTRL_MODE_PHY_1; |
| |
| break; |
| |
| case SHASTA_EXT_LED_SHARED: |
| tp->led_ctrl = LED_CTRL_MODE_SHARED; |
| if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0 && |
| tp->pci_chip_rev_id != CHIPREV_ID_5750_A1) |
| tp->led_ctrl |= (LED_CTRL_MODE_PHY_1 | |
| LED_CTRL_MODE_PHY_2); |
| break; |
| |
| case SHASTA_EXT_LED_MAC: |
| tp->led_ctrl = LED_CTRL_MODE_SHASTA_MAC; |
| break; |
| |
| case SHASTA_EXT_LED_COMBO: |
| tp->led_ctrl = LED_CTRL_MODE_COMBO; |
| if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0) |
| tp->led_ctrl |= (LED_CTRL_MODE_PHY_1 | |
| LED_CTRL_MODE_PHY_2); |
| break; |
| |
| } |
| |
| if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) && |
| tp->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL) |
| tp->led_ctrl = LED_CTRL_MODE_PHY_2; |
| |
| if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX) |
| tp->led_ctrl = LED_CTRL_MODE_PHY_1; |
| |
| if (nic_cfg & NIC_SRAM_DATA_CFG_EEPROM_WP) { |
| tg3_flag_set(tp, EEPROM_WRITE_PROT); |
| if ((tp->pdev->subsystem_vendor == |
| PCI_VENDOR_ID_ARIMA) && |
| (tp->pdev->subsystem_device == 0x205a || |
| tp->pdev->subsystem_device == 0x2063)) |
| tg3_flag_clear(tp, EEPROM_WRITE_PROT); |
| } else { |
| tg3_flag_clear(tp, EEPROM_WRITE_PROT); |
| tg3_flag_set(tp, IS_NIC); |
| } |
| |
| if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) { |
| tg3_flag_set(tp, ENABLE_ASF); |
| if (tg3_flag(tp, 5750_PLUS)) |
| tg3_flag_set(tp, ASF_NEW_HANDSHAKE); |
| } |
| |
| if ((nic_cfg & NIC_SRAM_DATA_CFG_APE_ENABLE) && |
| tg3_flag(tp, 5750_PLUS)) |
| tg3_flag_set(tp, ENABLE_APE); |
| |
| if (tp->phy_flags & TG3_PHYFLG_ANY_SERDES && |
| !(nic_cfg & NIC_SRAM_DATA_CFG_FIBER_WOL)) |
| tg3_flag_clear(tp, WOL_CAP); |
| |
| if (tg3_flag(tp, WOL_CAP) && |
| (nic_cfg & NIC_SRAM_DATA_CFG_WOL_ENABLE)) { |
| tg3_flag_set(tp, WOL_ENABLE); |
| device_set_wakeup_enable(&tp->pdev->dev, true); |
| } |
| |
| if (cfg2 & (1 << 17)) |
| tp->phy_flags |= TG3_PHYFLG_CAPACITIVE_COUPLING; |
| |
| /* serdes signal pre-emphasis in register 0x590 set by */ |
| /* bootcode if bit 18 is set */ |
| if (cfg2 & (1 << 18)) |
| tp->phy_flags |= TG3_PHYFLG_SERDES_PREEMPHASIS; |
| |
| if ((tg3_flag(tp, 57765_PLUS) || |
| (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 && |
| GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX)) && |
| (cfg2 & NIC_SRAM_DATA_CFG_2_APD_EN)) |
| tp->phy_flags |= TG3_PHYFLG_ENABLE_APD; |
| |
| if (tg3_flag(tp, PCI_EXPRESS) && |
| GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5785 && |
| !tg3_flag(tp, 57765_PLUS)) { |
| u32 cfg3; |
| |
| tg3_read_mem(tp, NIC_SRAM_DATA_CFG_3, &cfg3); |
| if (cfg3 & NIC_SRAM_ASPM_DEBOUNCE) |
| tg3_flag_set(tp, ASPM_WORKAROUND); |
| } |
| |
| if (cfg4 & NIC_SRAM_RGMII_INBAND_DISABLE) |
| tg3_flag_set(tp, RGMII_INBAND_DISABLE); |
| if (cfg4 & NIC_SRAM_RGMII_EXT_IBND_RX_EN) |
| tg3_flag_set(tp, RGMII_EXT_IBND_RX_EN); |
| if (cfg4 & NIC_SRAM_RGMII_EXT_IBND_TX_EN) |
| tg3_flag_set(tp, RGMII_EXT_IBND_TX_EN); |
| } |
| done: |
| if (tg3_flag(tp, WOL_CAP)) |
| device_set_wakeup_enable(&tp->pdev->dev, |
| tg3_flag(tp, WOL_ENABLE)); |
| else |
| device_set_wakeup_capable(&tp->pdev->dev, false); |
| } |
| |
| static int __devinit tg3_issue_otp_command(struct tg3 *tp, u32 cmd) |
| { |
| int i; |
| u32 val; |
| |
| tw32(OTP_CTRL, cmd | OTP_CTRL_OTP_CMD_START); |
| tw32(OTP_CTRL, cmd); |
| |
| /* Wait for up to 1 ms for command to execute. */ |
| for (i = 0; i < 100; i++) { |
| val = tr32(OTP_STATUS); |
| if (val & OTP_STATUS_CMD_DONE) |
| break; |
| udelay(10); |
| } |
| |
| return (val & OTP_STATUS_CMD_DONE) ? 0 : -EBUSY; |
| } |
| |
| /* Read the gphy configuration from the OTP region of the chip. The gphy |
| * configuration is a 32-bit value that straddles the alignment boundary. |
| * We do two 32-bit reads and then shift and merge the results. |
| */ |
| static u32 __devinit tg3_read_otp_phycfg(struct tg3 *tp) |
| { |
| u32 bhalf_otp, thalf_otp; |
| |
| tw32(OTP_MODE, OTP_MODE_OTP_THRU_GRC); |
| |
| if (tg3_issue_otp_command(tp, OTP_CTRL_OTP_CMD_INIT)) |
| return 0; |
| |
| tw32(OTP_ADDRESS, OTP_ADDRESS_MAGIC1); |
| |
| if (tg3_issue_otp_command(tp, OTP_CTRL_OTP_CMD_READ)) |
| return 0; |
| |
| thalf_otp = tr32(OTP_READ_DATA); |
| |
| tw32(OTP_ADDRESS, OTP_ADDRESS_MAGIC2); |
| |
| if (tg3_issue_otp_command(tp, OTP_CTRL_OTP_CMD_READ)) |
| return 0; |
| |
| bhalf_otp = tr32(OTP_READ_DATA); |
| |
| return ((thalf_otp & 0x0000ffff) << 16) | (bhalf_otp >> 16); |
| } |
| |
| static void __devinit tg3_phy_init_link_config(struct tg3 *tp) |
| { |
| u32 adv = ADVERTISED_Autoneg | |
| ADVERTISED_Pause; |
| |
| if (!(tp->phy_flags & TG3_PHYFLG_10_100_ONLY)) |
| adv |= ADVERTISED_1000baseT_Half | |
| ADVERTISED_1000baseT_Full; |
| |
| if (!(tp->phy_flags & TG3_PHYFLG_ANY_SERDES)) |
| adv |= ADVERTISED_100baseT_Half | |
| ADVERTISED_100baseT_Full | |
| ADVERTISED_10baseT_Half | |
| ADVERTISED_10baseT_Full | |
| ADVERTISED_TP; |
| else |
| adv |= ADVERTISED_FIBRE; |
| |
| tp->link_config.advertising = adv; |
| tp->link_config.speed = SPEED_INVALID; |
| tp->link_config.duplex = DUPLEX_INVALID; |
| tp->link_config.autoneg = AUTONEG_ENABLE; |
| tp->link_config.active_speed = SPEED_INVALID; |
| tp->link_config.active_duplex = DUPLEX_INVALID; |
| tp->link_config.orig_speed = SPEED_INVALID; |
| tp->link_config.orig_duplex = DUPLEX_INVALID; |
| tp->link_config.orig_autoneg = AUTONEG_INVALID; |
| } |
| |
| static int __devinit tg3_phy_probe(struct tg3 *tp) |
| { |
| u32 hw_phy_id_1, hw_phy_id_2; |
| u32 hw_phy_id, hw_phy_id_masked; |
| int err; |
| |
| /* flow control autonegotiation is default behavior */ |
| tg3_flag_set(tp, PAUSE_AUTONEG); |
| tp->link_config.flowctrl = FLOW_CTRL_TX | FLOW_CTRL_RX; |
| |
| if (tg3_flag(tp, USE_PHYLIB)) |
| return tg3_phy_init(tp); |
| |
| /* Reading the PHY ID register can conflict with ASF |
| * firmware access to the PHY hardware. |
| */ |
| err = 0; |
| if (tg3_flag(tp, ENABLE_ASF) || tg3_flag(tp, ENABLE_APE)) { |
| hw_phy_id = hw_phy_id_masked = TG3_PHY_ID_INVALID; |
| } else { |
| /* Now read the physical PHY_ID from the chip and verify |
| * that it is sane. If it doesn't look good, we fall back |
| * to either the hard-coded table based PHY_ID and failing |
| * that the value found in the eeprom area. |
| */ |
| err |= tg3_readphy(tp, MII_PHYSID1, &hw_phy_id_1); |
| err |= tg3_readphy(tp, MII_PHYSID2, &hw_phy_id_2); |
| |
| hw_phy_id = (hw_phy_id_1 & 0xffff) << 10; |
| hw_phy_id |= (hw_phy_id_2 & 0xfc00) << 16; |
| hw_phy_id |= (hw_phy_id_2 & 0x03ff) << 0; |
| |
| hw_phy_id_masked = hw_phy_id & TG3_PHY_ID_MASK; |
| } |
| |
| if (!err && TG3_KNOWN_PHY_ID(hw_phy_id_masked)) { |
| tp->phy_id = hw_phy_id; |
| if (hw_phy_id_masked == TG3_PHY_ID_BCM8002) |
| tp->phy_flags |= TG3_PHYFLG_PHY_SERDES; |
| else |
| tp->phy_flags &= ~TG3_PHYFLG_PHY_SERDES; |
| } else { |
| if (tp->phy_id != TG3_PHY_ID_INVALID) { |
| /* Do nothing, phy ID already set up in |
| * tg3_get_eeprom_hw_cfg(). |
| */ |
| } else { |
| struct subsys_tbl_ent *p; |
| |
| /* No eeprom signature? Try the hardcoded |
| * subsys device table. |
| */ |
| p = tg3_lookup_by_subsys(tp); |
| if (!p) |
| return -ENODEV; |
| |
| tp->phy_id = p->phy_id; |
| if (!tp->phy_id || |
| tp->phy_id == TG3_PHY_ID_BCM8002) |
| tp->phy_flags |= TG3_PHYFLG_PHY_SERDES; |
| } |
| } |
| |
| if (!(tp->phy_flags & TG3_PHYFLG_ANY_SERDES) && |
| ((tp->pdev->device == TG3PCI_DEVICE_TIGON3_5718 && |
| tp->pci_chip_rev_id != CHIPREV_ID_5717_A0) || |
| (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765 && |
| tp->pci_chip_rev_id != CHIPREV_ID_57765_A0))) |
| tp->phy_flags |= TG3_PHYFLG_EEE_CAP; |
| |
| tg3_phy_init_link_config(tp); |
| |
| if (!(tp->phy_flags & TG3_PHYFLG_ANY_SERDES) && |
| !tg3_flag(tp, ENABLE_APE) && |
| !tg3_flag(tp, ENABLE_ASF)) { |
| u32 bmsr, adv_reg, tg3_ctrl, mask; |
| |
| tg3_readphy(tp, MII_BMSR, &bmsr); |
| if (!tg3_readphy(tp, MII_BMSR, &bmsr) && |
| (bmsr & BMSR_LSTATUS)) |
| goto skip_phy_reset; |
| |
| err = tg3_phy_reset(tp); |
| if (err) |
| return err; |
| |
| adv_reg = (ADVERTISE_10HALF | ADVERTISE_10FULL | |
| ADVERTISE_100HALF | ADVERTISE_100FULL | |
| ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP); |
| tg3_ctrl = 0; |
| if (!(tp->phy_flags & TG3_PHYFLG_10_100_ONLY)) { |
| tg3_ctrl = (MII_TG3_CTRL_ADV_1000_HALF | |
| MII_TG3_CTRL_ADV_1000_FULL); |
| if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 || |
| tp->pci_chip_rev_id == CHIPREV_ID_5701_B0) |
| tg3_ctrl |= (MII_TG3_CTRL_AS_MASTER | |
| MII_TG3_CTRL_ENABLE_AS_MASTER); |
| } |
| |
| mask = (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full | |
| ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full | |
| ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full); |
| if (!tg3_copper_is_advertising_all(tp, mask)) { |
| tg3_writephy(tp, MII_ADVERTISE, adv_reg); |
| |
| if (!(tp->phy_flags & TG3_PHYFLG_10_100_ONLY)) |
| tg3_writephy(tp, MII_TG3_CTRL, tg3_ctrl); |
| |
| tg3_writephy(tp, MII_BMCR, |
| BMCR_ANENABLE | BMCR_ANRESTART); |
| } |
| tg3_phy_set_wirespeed(tp); |
| |
| tg3_writephy(tp, MII_ADVERTISE, adv_reg); |
| if (!(tp->phy_flags & TG3_PHYFLG_10_100_ONLY)) |
| tg3_writephy(tp, MII_TG3_CTRL, tg3_ctrl); |
| } |
| |
| skip_phy_reset: |
| if ((tp->phy_id & TG3_PHY_ID_MASK) == TG3_PHY_ID_BCM5401) { |
| err = tg3_init_5401phy_dsp(tp); |
| if (err) |
| return err; |
| |
| err = tg3_init_5401phy_dsp(tp); |
| } |
| |
| return err; |
| } |
| |
| static void __devinit tg3_read_vpd(struct tg3 *tp) |
| { |
| u8 *vpd_data; |
| unsigned int block_end, rosize, len; |
| int j, i = 0; |
| |
| vpd_data = (u8 *)tg3_vpd_readblock(tp); |
| if (!vpd_data) |
| goto out_no_vpd; |
| |
| i = pci_vpd_find_tag(vpd_data, 0, TG3_NVM_VPD_LEN, |
| PCI_VPD_LRDT_RO_DATA); |
| if (i < 0) |
| goto out_not_found; |
| |
| rosize = pci_vpd_lrdt_size(&vpd_data[i]); |
| block_end = i + PCI_VPD_LRDT_TAG_SIZE + rosize; |
| i += PCI_VPD_LRDT_TAG_SIZE; |
| |
| if (block_end > TG3_NVM_VPD_LEN) |
| goto out_not_found; |
| |
| j = pci_vpd_find_info_keyword(vpd_data, i, rosize, |
| PCI_VPD_RO_KEYWORD_MFR_ID); |
| if (j > 0) { |
| len = pci_vpd_info_field_size(&vpd_data[j]); |
| |
| j += PCI_VPD_INFO_FLD_HDR_SIZE; |
| if (j + len > block_end || len != 4 || |
| memcmp(&vpd_data[j], "1028", 4)) |
| goto partno; |
| |
| j = pci_vpd_find_info_keyword(vpd_data, i, rosize, |
| PCI_VPD_RO_KEYWORD_VENDOR0); |
| if (j < 0) |
| goto partno; |
| |
| len = pci_vpd_info_field_size(&vpd_data[j]); |
| |
| j += PCI_VPD_INFO_FLD_HDR_SIZE; |
| if (j + len > block_end) |
| goto partno; |
| |
| memcpy(tp->fw_ver, &vpd_data[j], len); |
| strncat(tp->fw_ver, " bc ", TG3_NVM_VPD_LEN - len - 1); |
| } |
| |
| partno: |
| i = pci_vpd_find_info_keyword(vpd_data, i, rosize, |
| PCI_VPD_RO_KEYWORD_PARTNO); |
| if (i < 0) |
| goto out_not_found; |
| |
| len = pci_vpd_info_field_size(&vpd_data[i]); |
| |
| i += PCI_VPD_INFO_FLD_HDR_SIZE; |
| if (len > TG3_BPN_SIZE || |
| (len + i) > TG3_NVM_VPD_LEN) |
| goto out_not_found; |
| |
| memcpy(tp->board_part_number, &vpd_data[i], len); |
| |
| out_not_found: |
| kfree(vpd_data); |
| if (tp->board_part_number[0]) |
| return; |
| |
| out_no_vpd: |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717) { |
| if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_5717) |
| strcpy(tp->board_part_number, "BCM5717"); |
| else if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_5718) |
| strcpy(tp->board_part_number, "BCM5718"); |
| else |
| goto nomatch; |
| } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780) { |
| if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_57780) |
| strcpy(tp->board_part_number, "BCM57780"); |
| else if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_57760) |
| strcpy(tp->board_part_number, "BCM57760"); |
| else if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_57790) |
| strcpy(tp->board_part_number, "BCM57790"); |
| else if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_57788) |
| strcpy(tp->board_part_number, "BCM57788"); |
| else |
| goto nomatch; |
| } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765) { |
| if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_57761) |
| strcpy(tp->board_part_number, "BCM57761"); |
| else if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_57765) |
| strcpy(tp->board_part_number, "BCM57765"); |
| else if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_57781) |
| strcpy(tp->board_part_number, "BCM57781"); |
| else if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_57785) |
| strcpy(tp->board_part_number, "BCM57785"); |
| else if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_57791) |
| strcpy(tp->board_part_number, "BCM57791"); |
| else if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_57795) |
| strcpy(tp->board_part_number, "BCM57795"); |
| else |
| goto nomatch; |
| } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) { |
| strcpy(tp->board_part_number, "BCM95906"); |
| } else { |
| nomatch: |
| strcpy(tp->board_part_number, "none"); |
| } |
| } |
| |
| static int __devinit tg3_fw_img_is_valid(struct tg3 *tp, u32 offset) |
| { |
| u32 val; |
| |
| if (tg3_nvram_read(tp, offset, &val) || |
| (val & 0xfc000000) != 0x0c000000 || |
| tg3_nvram_read(tp, offset + 4, &val) || |
| val != 0) |
| return 0; |
| |
| return 1; |
| } |
| |
| static void __devinit tg3_read_bc_ver(struct tg3 *tp) |
| { |
| u32 val, offset, start, ver_offset; |
| int i, dst_off; |
| bool newver = false; |
| |
| if (tg3_nvram_read(tp, 0xc, &offset) || |
| tg3_nvram_read(tp, 0x4, &start)) |
| return; |
| |
| offset = tg3_nvram_logical_addr(tp, offset); |
| |
| if (tg3_nvram_read(tp, offset, &val)) |
| return; |
| |
| if ((val & 0xfc000000) == 0x0c000000) { |
| if (tg3_nvram_read(tp, offset + 4, &val)) |
| return; |
| |
| if (val == 0) |
| newver = true; |
| } |
| |
| dst_off = strlen(tp->fw_ver); |
| |
| if (newver) { |
| if (TG3_VER_SIZE - dst_off < 16 || |
| tg3_nvram_read(tp, offset + 8, &ver_offset)) |
| return; |
| |
| offset = offset + ver_offset - start; |
| for (i = 0; i < 16; i += 4) { |
| __be32 v; |
| if (tg3_nvram_read_be32(tp, offset + i, &v)) |
| return; |
| |
| memcpy(tp->fw_ver + dst_off + i, &v, sizeof(v)); |
| } |
| } else { |
| u32 major, minor; |
| |
| if (tg3_nvram_read(tp, TG3_NVM_PTREV_BCVER, &ver_offset)) |
| return; |
| |
| major = (ver_offset & TG3_NVM_BCVER_MAJMSK) >> |
| TG3_NVM_BCVER_MAJSFT; |
| minor = ver_offset & TG3_NVM_BCVER_MINMSK; |
| snprintf(&tp->fw_ver[dst_off], TG3_VER_SIZE - dst_off, |
| "v%d.%02d", major, minor); |
| } |
| } |
| |
| static void __devinit tg3_read_hwsb_ver(struct tg3 *tp) |
| { |
| u32 val, major, minor; |
| |
| /* Use native endian representation */ |
| if (tg3_nvram_read(tp, TG3_NVM_HWSB_CFG1, &val)) |
| return; |
| |
| major = (val & TG3_NVM_HWSB_CFG1_MAJMSK) >> |
| TG3_NVM_HWSB_CFG1_MAJSFT; |
| minor = (val & TG3_NVM_HWSB_CFG1_MINMSK) >> |
| TG3_NVM_HWSB_CFG1_MINSFT; |
| |
| snprintf(&tp->fw_ver[0], 32, "sb v%d.%02d", major, minor); |
| } |
| |
| static void __devinit tg3_read_sb_ver(struct tg3 *tp, u32 val) |
| { |
| u32 offset, major, minor, build; |
| |
| strncat(tp->fw_ver, "sb", TG3_VER_SIZE - strlen(tp->fw_ver) - 1); |
| |
| if ((val & TG3_EEPROM_SB_FORMAT_MASK) != TG3_EEPROM_SB_FORMAT_1) |
| return; |
| |
| switch (val & TG3_EEPROM_SB_REVISION_MASK) { |
| case TG3_EEPROM_SB_REVISION_0: |
| offset = TG3_EEPROM_SB_F1R0_EDH_OFF; |
| break; |
| case TG3_EEPROM_SB_REVISION_2: |
| offset = TG3_EEPROM_SB_F1R2_EDH_OFF; |
| break; |
| case TG3_EEPROM_SB_REVISION_3: |
| offset = TG3_EEPROM_SB_F1R3_EDH_OFF; |
| break; |
| case TG3_EEPROM_SB_REVISION_4: |
| offset = TG3_EEPROM_SB_F1R4_EDH_OFF; |
| break; |
| case TG3_EEPROM_SB_REVISION_5: |
| offset = TG3_EEPROM_SB_F1R5_EDH_OFF; |
| break; |
| case TG3_EEPROM_SB_REVISION_6: |
| offset = TG3_EEPROM_SB_F1R6_EDH_OFF; |
| break; |
| default: |
| return; |
| } |
| |
| if (tg3_nvram_read(tp, offset, &val)) |
| return; |
| |
| build = (val & TG3_EEPROM_SB_EDH_BLD_MASK) >> |
| TG3_EEPROM_SB_EDH_BLD_SHFT; |
| major = (val & TG3_EEPROM_SB_EDH_MAJ_MASK) >> |
| TG3_EEPROM_SB_EDH_MAJ_SHFT; |
| minor = val & TG3_EEPROM_SB_EDH_MIN_MASK; |
| |
| if (minor > 99 || build > 26) |
| return; |
| |
| offset = strlen(tp->fw_ver); |
| snprintf(&tp->fw_ver[offset], TG3_VER_SIZE - offset, |
| " v%d.%02d", major, minor); |
| |
| if (build > 0) { |
| offset = strlen(tp->fw_ver); |
| if (offset < TG3_VER_SIZE - 1) |
| tp->fw_ver[offset] = 'a' + build - 1; |
| } |
| } |
| |
| static void __devinit tg3_read_mgmtfw_ver(struct tg3 *tp) |
| { |
| u32 val, offset, start; |
| int i, vlen; |
| |
| for (offset = TG3_NVM_DIR_START; |
| offset < TG3_NVM_DIR_END; |
| offset += TG3_NVM_DIRENT_SIZE) { |
| if (tg3_nvram_read(tp, offset, &val)) |
| return; |
| |
| if ((val >> TG3_NVM_DIRTYPE_SHIFT) == TG3_NVM_DIRTYPE_ASFINI) |
| break; |
| } |
| |
| if (offset == TG3_NVM_DIR_END) |
| return; |
| |
| if (!tg3_flag(tp, 5705_PLUS)) |
| start = 0x08000000; |
| else if (tg3_nvram_read(tp, offset - 4, &start)) |
| return; |
| |
| if (tg3_nvram_read(tp, offset + 4, &offset) || |
| !tg3_fw_img_is_valid(tp, offset) || |
| tg3_nvram_read(tp, offset + 8, &val)) |
| return; |
| |
| offset += val - start; |
| |
| vlen = strlen(tp->fw_ver); |
| |
| tp->fw_ver[vlen++] = ','; |
| tp->fw_ver[vlen++] = ' '; |
| |
| for (i = 0; i < 4; i++) { |
| __be32 v; |
| if (tg3_nvram_read_be32(tp, offset, &v)) |
| return; |
| |
| offset += sizeof(v); |
| |
| if (vlen > TG3_VER_SIZE - sizeof(v)) { |
| memcpy(&tp->fw_ver[vlen], &v, TG3_VER_SIZE - vlen); |
| break; |
| } |
| |
| memcpy(&tp->fw_ver[vlen], &v, sizeof(v)); |
| vlen += sizeof(v); |
| } |
| } |
| |
| static void __devinit tg3_read_dash_ver(struct tg3 *tp) |
| { |
| int vlen; |
| u32 apedata; |
| char *fwtype; |
| |
| if (!tg3_flag(tp, ENABLE_APE) || !tg3_flag(tp, ENABLE_ASF)) |
| return; |
| |
| apedata = tg3_ape_read32(tp, TG3_APE_SEG_SIG); |
| if (apedata != APE_SEG_SIG_MAGIC) |
| return; |
| |
| apedata = tg3_ape_read32(tp, TG3_APE_FW_STATUS); |
| if (!(apedata & APE_FW_STATUS_READY)) |
| return; |
| |
| apedata = tg3_ape_read32(tp, TG3_APE_FW_VERSION); |
| |
| if (tg3_ape_read32(tp, TG3_APE_FW_FEATURES) & TG3_APE_FW_FEATURE_NCSI) { |
| tg3_flag_set(tp, APE_HAS_NCSI); |
| fwtype = "NCSI"; |
| } else { |
| fwtype = "DASH"; |
| } |
| |
| vlen = strlen(tp->fw_ver); |
| |
| snprintf(&tp->fw_ver[vlen], TG3_VER_SIZE - vlen, " %s v%d.%d.%d.%d", |
| fwtype, |
| (apedata & APE_FW_VERSION_MAJMSK) >> APE_FW_VERSION_MAJSFT, |
| (apedata & APE_FW_VERSION_MINMSK) >> APE_FW_VERSION_MINSFT, |
| (apedata & APE_FW_VERSION_REVMSK) >> APE_FW_VERSION_REVSFT, |
| (apedata & APE_FW_VERSION_BLDMSK)); |
| } |
| |
| static void __devinit tg3_read_fw_ver(struct tg3 *tp) |
| { |
| u32 val; |
| bool vpd_vers = false; |
| |
| if (tp->fw_ver[0] != 0) |
| vpd_vers = true; |
| |
| if (tg3_flag(tp, NO_NVRAM)) { |
| strcat(tp->fw_ver, "sb"); |
| return; |
| } |
| |
| if (tg3_nvram_read(tp, 0, &val)) |
| return; |
| |
| if (val == TG3_EEPROM_MAGIC) |
| tg3_read_bc_ver(tp); |
| else if ((val & TG3_EEPROM_MAGIC_FW_MSK) == TG3_EEPROM_MAGIC_FW) |
| tg3_read_sb_ver(tp, val); |
| else if ((val & TG3_EEPROM_MAGIC_HW_MSK) == TG3_EEPROM_MAGIC_HW) |
| tg3_read_hwsb_ver(tp); |
| else |
| return; |
| |
| if (!tg3_flag(tp, ENABLE_ASF) || tg3_flag(tp, ENABLE_APE) || vpd_vers) |
| goto done; |
| |
| tg3_read_mgmtfw_ver(tp); |
| |
| done: |
| tp->fw_ver[TG3_VER_SIZE - 1] = 0; |
| } |
| |
| static struct pci_dev * __devinit tg3_find_peer(struct tg3 *); |
| |
| static inline u32 tg3_rx_ret_ring_size(struct tg3 *tp) |
| { |
| if (tg3_flag(tp, LRG_PROD_RING_CAP)) |
| return TG3_RX_RET_MAX_SIZE_5717; |
| else if (tg3_flag(tp, JUMBO_CAPABLE) && !tg3_flag(tp, 5780_CLASS)) |
| return TG3_RX_RET_MAX_SIZE_5700; |
| else |
| return TG3_RX_RET_MAX_SIZE_5705; |
| } |
| |
| static DEFINE_PCI_DEVICE_TABLE(tg3_write_reorder_chipsets) = { |
| { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_FE_GATE_700C) }, |
| { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_8131_BRIDGE) }, |
| { PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8385_0) }, |
| { }, |
| }; |
| |
| static int __devinit tg3_get_invariants(struct tg3 *tp) |
| { |
| u32 misc_ctrl_reg; |
| u32 pci_state_reg, grc_misc_cfg; |
| u32 val; |
| u16 pci_cmd; |
| int err; |
| |
| /* Force memory write invalidate off. If we leave it on, |
| * then on 5700_BX chips we have to enable a workaround. |
| * The workaround is to set the TG3PCI_DMA_RW_CTRL boundary |
| * to match the cacheline size. The Broadcom driver have this |
| * workaround but turns MWI off all the times so never uses |
| * it. This seems to suggest that the workaround is insufficient. |
| */ |
| pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd); |
| pci_cmd &= ~PCI_COMMAND_INVALIDATE; |
| pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd); |
| |
| /* It is absolutely critical that TG3PCI_MISC_HOST_CTRL |
| * has the register indirect write enable bit set before |
| * we try to access any of the MMIO registers. It is also |
| * critical that the PCI-X hw workaround situation is decided |
| * before that as well. |
| */ |
| pci_read_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL, |
| &misc_ctrl_reg); |
| |
| tp->pci_chip_rev_id = (misc_ctrl_reg >> |
| MISC_HOST_CTRL_CHIPREV_SHIFT); |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_USE_PROD_ID_REG) { |
| u32 prod_id_asic_rev; |
| |
| if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_5717 || |
| tp->pdev->device == TG3PCI_DEVICE_TIGON3_5718 || |
| tp->pdev->device == TG3PCI_DEVICE_TIGON3_5719 || |
| tp->pdev->device == TG3PCI_DEVICE_TIGON3_5720) |
| pci_read_config_dword(tp->pdev, |
| TG3PCI_GEN2_PRODID_ASICREV, |
| &prod_id_asic_rev); |
| else if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_57781 || |
| tp->pdev->device == TG3PCI_DEVICE_TIGON3_57785 || |
| tp->pdev->device == TG3PCI_DEVICE_TIGON3_57761 || |
| tp->pdev->device == TG3PCI_DEVICE_TIGON3_57765 || |
| tp->pdev->device == TG3PCI_DEVICE_TIGON3_57791 || |
| tp->pdev->device == TG3PCI_DEVICE_TIGON3_57795) |
| pci_read_config_dword(tp->pdev, |
| TG3PCI_GEN15_PRODID_ASICREV, |
| &prod_id_asic_rev); |
| else |
| pci_read_config_dword(tp->pdev, TG3PCI_PRODID_ASICREV, |
| &prod_id_asic_rev); |
| |
| tp->pci_chip_rev_id = prod_id_asic_rev; |
| } |
| |
| /* Wrong chip ID in 5752 A0. This code can be removed later |
| * as A0 is not in production. |
| */ |
| if (tp->pci_chip_rev_id == CHIPREV_ID_5752_A0_HW) |
| tp->pci_chip_rev_id = CHIPREV_ID_5752_A0; |
| |
| /* If we have 5702/03 A1 or A2 on certain ICH chipsets, |
| * we need to disable memory and use config. cycles |
| * only to access all registers. The 5702/03 chips |
| * can mistakenly decode the special cycles from the |
| * ICH chipsets as memory write cycles, causing corruption |
| * of register and memory space. Only certain ICH bridges |
| * will drive special cycles with non-zero data during the |
| * address phase which can fall within the 5703's address |
| * range. This is not an ICH bug as the PCI spec allows |
| * non-zero address during special cycles. However, only |
| * these ICH bridges are known to drive non-zero addresses |
| * during special cycles. |
| * |
| * Since special cycles do not cross PCI bridges, we only |
| * enable this workaround if the 5703 is on the secondary |
| * bus of these ICH bridges. |
| */ |
| if ((tp->pci_chip_rev_id == CHIPREV_ID_5703_A1) || |
| (tp->pci_chip_rev_id == CHIPREV_ID_5703_A2)) { |
| static struct tg3_dev_id { |
| u32 vendor; |
| u32 device; |
| u32 rev; |
| } ich_chipsets[] = { |
| { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AA_8, |
| PCI_ANY_ID }, |
| { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AB_8, |
| PCI_ANY_ID }, |
| { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_11, |
| 0xa }, |
| { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_6, |
| PCI_ANY_ID }, |
| { }, |
| }; |
| struct tg3_dev_id *pci_id = &ich_chipsets[0]; |
| struct pci_dev *bridge = NULL; |
| |
| while (pci_id->vendor != 0) { |
| bridge = pci_get_device(pci_id->vendor, pci_id->device, |
| bridge); |
| if (!bridge) { |
| pci_id++; |
| continue; |
| } |
| if (pci_id->rev != PCI_ANY_ID) { |
| if (bridge->revision > pci_id->rev) |
| continue; |
| } |
| if (bridge->subordinate && |
| (bridge->subordinate->number == |
| tp->pdev->bus->number)) { |
| tg3_flag_set(tp, ICH_WORKAROUND); |
| pci_dev_put(bridge); |
| break; |
| } |
| } |
| } |
| |
| if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) { |
| static struct tg3_dev_id { |
| u32 vendor; |
| u32 device; |
| } bridge_chipsets[] = { |
| { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_PXH_0 }, |
| { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_PXH_1 }, |
| { }, |
| }; |
| struct tg3_dev_id *pci_id = &bridge_chipsets[0]; |
| struct pci_dev *bridge = NULL; |
| |
| while (pci_id->vendor != 0) { |
| bridge = pci_get_device(pci_id->vendor, |
| pci_id->device, |
| bridge); |
| if (!bridge) { |
| pci_id++; |
| continue; |
| } |
| if (bridge->subordinate && |
| (bridge->subordinate->number <= |
| tp->pdev->bus->number) && |
| (bridge->subordinate->subordinate >= |
| tp->pdev->bus->number)) { |
| tg3_flag_set(tp, 5701_DMA_BUG); |
| pci_dev_put(bridge); |
| break; |
| } |
| } |
| } |
| |
| /* The EPB bridge inside 5714, 5715, and 5780 cannot support |
| * DMA addresses > 40-bit. This bridge may have other additional |
| * 57xx devices behind it in some 4-port NIC designs for example. |
| * Any tg3 device found behind the bridge will also need the 40-bit |
| * DMA workaround. |
| */ |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780 || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) { |
| tg3_flag_set(tp, 5780_CLASS); |
| tg3_flag_set(tp, 40BIT_DMA_BUG); |
| tp->msi_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_MSI); |
| } else { |
| struct pci_dev *bridge = NULL; |
| |
| do { |
| bridge = pci_get_device(PCI_VENDOR_ID_SERVERWORKS, |
| PCI_DEVICE_ID_SERVERWORKS_EPB, |
| bridge); |
| if (bridge && bridge->subordinate && |
| (bridge->subordinate->number <= |
| tp->pdev->bus->number) && |
| (bridge->subordinate->subordinate >= |
| tp->pdev->bus->number)) { |
| tg3_flag_set(tp, 40BIT_DMA_BUG); |
| pci_dev_put(bridge); |
| break; |
| } |
| } while (bridge); |
| } |
| |
| /* Initialize misc host control in PCI block. */ |
| tp->misc_host_ctrl |= (misc_ctrl_reg & |
| MISC_HOST_CTRL_CHIPREV); |
| pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL, |
| tp->misc_host_ctrl); |
| |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714 || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5720) |
| tp->pdev_peer = tg3_find_peer(tp); |
| |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5719 || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5720) |
| tg3_flag_set(tp, 5717_PLUS); |
| |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765 || |
| tg3_flag(tp, 5717_PLUS)) |
| tg3_flag_set(tp, 57765_PLUS); |
| |
| /* Intentionally exclude ASIC_REV_5906 */ |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 || |
| tg3_flag(tp, 57765_PLUS)) |
| tg3_flag_set(tp, 5755_PLUS); |
| |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906 || |
| tg3_flag(tp, 5755_PLUS) || |
| tg3_flag(tp, 5780_CLASS)) |
| tg3_flag_set(tp, 5750_PLUS); |
| |
| if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) || |
| tg3_flag(tp, 5750_PLUS)) |
| tg3_flag_set(tp, 5705_PLUS); |
| |
| /* 5700 B0 chips do not support checksumming correctly due |
| * to hardware bugs. |
| */ |
| if (tp->pci_chip_rev_id != CHIPREV_ID_5700_B0) { |
| u32 features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM; |
| |
| if (tg3_flag(tp, 5755_PLUS)) |
| features |= NETIF_F_IPV6_CSUM; |
| tp->dev->features |= features; |
| tp->dev->hw_features |= features; |
| tp->dev->vlan_features |= features; |
| } |
| |
| /* Determine TSO capabilities */ |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5719) |
| ; /* Do nothing. HW bug. */ |
| else if (tg3_flag(tp, 57765_PLUS)) |
| tg3_flag_set(tp, HW_TSO_3); |
| else if (tg3_flag(tp, 5755_PLUS) || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) |
| tg3_flag_set(tp, HW_TSO_2); |
| else if (tg3_flag(tp, 5750_PLUS)) { |
| tg3_flag_set(tp, HW_TSO_1); |
| tg3_flag_set(tp, TSO_BUG); |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 && |
| tp->pci_chip_rev_id >= CHIPREV_ID_5750_C2) |
| tg3_flag_clear(tp, TSO_BUG); |
| } else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 && |
| GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701 && |
| tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) { |
| tg3_flag_set(tp, TSO_BUG); |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) |
| tp->fw_needed = FIRMWARE_TG3TSO5; |
| else |
| tp->fw_needed = FIRMWARE_TG3TSO; |
| } |
| |
| tp->irq_max = 1; |
| |
| if (tg3_flag(tp, 5750_PLUS)) { |
| tg3_flag_set(tp, SUPPORT_MSI); |
| if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_AX || |
| GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_BX || |
| (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714 && |
| tp->pci_chip_rev_id <= CHIPREV_ID_5714_A2 && |
| tp->pdev_peer == tp->pdev)) |
| tg3_flag_clear(tp, SUPPORT_MSI); |
| |
| if (tg3_flag(tp, 5755_PLUS) || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) { |
| tg3_flag_set(tp, 1SHOT_MSI); |
| } |
| |
| if (tg3_flag(tp, 57765_PLUS)) { |
| tg3_flag_set(tp, SUPPORT_MSIX); |
| tp->irq_max = TG3_IRQ_MAX_VECS; |
| } |
| } |
| |
| /* All chips can get confused if TX buffers |
| * straddle the 4GB address boundary. |
| */ |
| tg3_flag_set(tp, 4G_DMA_BNDRY_BUG); |
| |
| if (tg3_flag(tp, 5755_PLUS)) |
| tg3_flag_set(tp, SHORT_DMA_BUG); |
| else |
| tg3_flag_set(tp, 40BIT_DMA_LIMIT_BUG); |
| |
| if (tg3_flag(tp, 5717_PLUS)) |
| tg3_flag_set(tp, LRG_PROD_RING_CAP); |
| |
| if (tg3_flag(tp, 57765_PLUS) && |
| GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5719) |
| tg3_flag_set(tp, USE_JUMBO_BDFLAG); |
| |
| if (!tg3_flag(tp, 5705_PLUS) || |
| tg3_flag(tp, 5780_CLASS) || |
| tg3_flag(tp, USE_JUMBO_BDFLAG)) |
| tg3_flag_set(tp, JUMBO_CAPABLE); |
| |
| pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE, |
| &pci_state_reg); |
| |
| tp->pcie_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_EXP); |
| if (tp->pcie_cap != 0) { |
| u16 lnkctl; |
| |
| tg3_flag_set(tp, PCI_EXPRESS); |
| |
| tp->pcie_readrq = 4096; |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5719 || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5720) |
| tp->pcie_readrq = 2048; |
| |
| pcie_set_readrq(tp->pdev, tp->pcie_readrq); |
| |
| pci_read_config_word(tp->pdev, |
| tp->pcie_cap + PCI_EXP_LNKCTL, |
| &lnkctl); |
| if (lnkctl & PCI_EXP_LNKCTL_CLKREQ_EN) { |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) |
| tg3_flag_clear(tp, HW_TSO_2); |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 || |
| tp->pci_chip_rev_id == CHIPREV_ID_57780_A0 || |
| tp->pci_chip_rev_id == CHIPREV_ID_57780_A1) |
| tg3_flag_set(tp, CLKREQ_BUG); |
| } else if (tp->pci_chip_rev_id == CHIPREV_ID_5717_A0) { |
| tg3_flag_set(tp, L1PLLPD_EN); |
| } |
| } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785) { |
| tg3_flag_set(tp, PCI_EXPRESS); |
| } else if (!tg3_flag(tp, 5705_PLUS) || |
| tg3_flag(tp, 5780_CLASS)) { |
| tp->pcix_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_PCIX); |
| if (!tp->pcix_cap) { |
| dev_err(&tp->pdev->dev, |
| "Cannot find PCI-X capability, aborting\n"); |
| return -EIO; |
| } |
| |
| if (!(pci_state_reg & PCISTATE_CONV_PCI_MODE)) |
| tg3_flag_set(tp, PCIX_MODE); |
| } |
| |
| /* If we have an AMD 762 or VIA K8T800 chipset, write |
| * reordering to the mailbox registers done by the host |
| * controller can cause major troubles. We read back from |
| * every mailbox register write to force the writes to be |
| * posted to the chip in order. |
| */ |
| if (pci_dev_present(tg3_write_reorder_chipsets) && |
| !tg3_flag(tp, PCI_EXPRESS)) |
| tg3_flag_set(tp, MBOX_WRITE_REORDER); |
| |
| pci_read_config_byte(tp->pdev, PCI_CACHE_LINE_SIZE, |
| &tp->pci_cacheline_sz); |
| pci_read_config_byte(tp->pdev, PCI_LATENCY_TIMER, |
| &tp->pci_lat_timer); |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 && |
| tp->pci_lat_timer < 64) { |
| tp->pci_lat_timer = 64; |
| pci_write_config_byte(tp->pdev, PCI_LATENCY_TIMER, |
| tp->pci_lat_timer); |
| } |
| |
| if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5700_BX) { |
| /* 5700 BX chips need to have their TX producer index |
| * mailboxes written twice to workaround a bug. |
| */ |
| tg3_flag_set(tp, TXD_MBOX_HWBUG); |
| |
| /* If we are in PCI-X mode, enable register write workaround. |
| * |
| * The workaround is to use indirect register accesses |
| * for all chip writes not to mailbox registers. |
| */ |
| if (tg3_flag(tp, PCIX_MODE)) { |
| u32 pm_reg; |
| |
| tg3_flag_set(tp, PCIX_TARGET_HWBUG); |
| |
| /* The chip can have it's power management PCI config |
| * space registers clobbered due to this bug. |
| * So explicitly force the chip into D0 here. |
| */ |
| pci_read_config_dword(tp->pdev, |
| tp->pm_cap + PCI_PM_CTRL, |
| &pm_reg); |
| pm_reg &= ~PCI_PM_CTRL_STATE_MASK; |
| pm_reg |= PCI_PM_CTRL_PME_ENABLE | 0 /* D0 */; |
| pci_write_config_dword(tp->pdev, |
| tp->pm_cap + PCI_PM_CTRL, |
| pm_reg); |
| |
| /* Also, force SERR#/PERR# in PCI command. */ |
| pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd); |
| pci_cmd |= PCI_COMMAND_PARITY | PCI_COMMAND_SERR; |
| pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd); |
| } |
| } |
| |
| if ((pci_state_reg & PCISTATE_BUS_SPEED_HIGH) != 0) |
| tg3_flag_set(tp, PCI_HIGH_SPEED); |
| if ((pci_state_reg & PCISTATE_BUS_32BIT) != 0) |
| tg3_flag_set(tp, PCI_32BIT); |
| |
| /* Chip-specific fixup from Broadcom driver */ |
| if ((tp->pci_chip_rev_id == CHIPREV_ID_5704_A0) && |
| (!(pci_state_reg & PCISTATE_RETRY_SAME_DMA))) { |
| pci_state_reg |= PCISTATE_RETRY_SAME_DMA; |
| pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, pci_state_reg); |
| } |
| |
| /* Default fast path register access methods */ |
| tp->read32 = tg3_read32; |
| tp->write32 = tg3_write32; |
| tp->read32_mbox = tg3_read32; |
| tp->write32_mbox = tg3_write32; |
| tp->write32_tx_mbox = tg3_write32; |
| tp->write32_rx_mbox = tg3_write32; |
| |
| /* Various workaround register access methods */ |
| if (tg3_flag(tp, PCIX_TARGET_HWBUG)) |
| tp->write32 = tg3_write_indirect_reg32; |
| else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 || |
| (tg3_flag(tp, PCI_EXPRESS) && |
| tp->pci_chip_rev_id == CHIPREV_ID_5750_A0)) { |
| /* |
| * Back to back register writes can cause problems on these |
| * chips, the workaround is to read back all reg writes |
| * except those to mailbox regs. |
| * |
| * See tg3_write_indirect_reg32(). |
| */ |
| tp->write32 = tg3_write_flush_reg32; |
| } |
| |
| if (tg3_flag(tp, TXD_MBOX_HWBUG) || tg3_flag(tp, MBOX_WRITE_REORDER)) { |
| tp->write32_tx_mbox = tg3_write32_tx_mbox; |
| if (tg3_flag(tp, MBOX_WRITE_REORDER)) |
| tp->write32_rx_mbox = tg3_write_flush_reg32; |
| } |
| |
| if (tg3_flag(tp, ICH_WORKAROUND)) { |
| tp->read32 = tg3_read_indirect_reg32; |
| tp->write32 = tg3_write_indirect_reg32; |
| tp->read32_mbox = tg3_read_indirect_mbox; |
| tp->write32_mbox = tg3_write_indirect_mbox; |
| tp->write32_tx_mbox = tg3_write_indirect_mbox; |
| tp->write32_rx_mbox = tg3_write_indirect_mbox; |
| |
| iounmap(tp->regs); |
| tp->regs = NULL; |
| |
| pci_read_config_word(tp->pdev, PCI_COMMAND, &pci_cmd); |
| pci_cmd &= ~PCI_COMMAND_MEMORY; |
| pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd); |
| } |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) { |
| tp->read32_mbox = tg3_read32_mbox_5906; |
| tp->write32_mbox = tg3_write32_mbox_5906; |
| tp->write32_tx_mbox = tg3_write32_mbox_5906; |
| tp->write32_rx_mbox = tg3_write32_mbox_5906; |
| } |
| |
| if (tp->write32 == tg3_write_indirect_reg32 || |
| (tg3_flag(tp, PCIX_MODE) && |
| (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701))) |
| tg3_flag_set(tp, SRAM_USE_CONFIG); |
| |
| /* Get eeprom hw config before calling tg3_set_power_state(). |
| * In particular, the TG3_FLAG_IS_NIC flag must be |
| * determined before calling tg3_set_power_state() so that |
| * we know whether or not to switch out of Vaux power. |
| * When the flag is set, it means that GPIO1 is used for eeprom |
| * write protect and also implies that it is a LOM where GPIOs |
| * are not used to switch power. |
| */ |
| tg3_get_eeprom_hw_cfg(tp); |
| |
| if (tg3_flag(tp, ENABLE_APE)) { |
| /* Allow reads and writes to the |
| * APE register and memory space. |
| */ |
| pci_state_reg |= PCISTATE_ALLOW_APE_CTLSPC_WR | |
| PCISTATE_ALLOW_APE_SHMEM_WR | |
| PCISTATE_ALLOW_APE_PSPACE_WR; |
| pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, |
| pci_state_reg); |
| } |
| |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 || |
| tg3_flag(tp, 57765_PLUS)) |
| tg3_flag_set(tp, CPMU_PRESENT); |
| |
| /* Set up tp->grc_local_ctrl before calling tg3_power_up(). |
| * GPIO1 driven high will bring 5700's external PHY out of reset. |
| * It is also used as eeprom write protect on LOMs. |
| */ |
| tp->grc_local_ctrl = GRC_LCLCTRL_INT_ON_ATTN | GRC_LCLCTRL_AUTO_SEEPROM; |
| if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) || |
| tg3_flag(tp, EEPROM_WRITE_PROT)) |
| tp->grc_local_ctrl |= (GRC_LCLCTRL_GPIO_OE1 | |
| GRC_LCLCTRL_GPIO_OUTPUT1); |
| /* Unused GPIO3 must be driven as output on 5752 because there |
| * are no pull-up resistors on unused GPIO pins. |
| */ |
| else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752) |
| tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE3; |
| |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765) |
| tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_UART_SEL; |
| |
| if (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5761 || |
| tp->pdev->device == TG3PCI_DEVICE_TIGON3_5761S) { |
| /* Turn off the debug UART. */ |
| tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_UART_SEL; |
| if (tg3_flag(tp, IS_NIC)) |
| /* Keep VMain power. */ |
| tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE0 | |
| GRC_LCLCTRL_GPIO_OUTPUT0; |
| } |
| |
| /* Force the chip into D0. */ |
| err = tg3_power_up(tp); |
| if (err) { |
| dev_err(&tp->pdev->dev, "Transition to D0 failed\n"); |
| return err; |
| } |
| |
| /* Derive initial jumbo mode from MTU assigned in |
| * ether_setup() via the alloc_etherdev() call |
| */ |
| if (tp->dev->mtu > ETH_DATA_LEN && !tg3_flag(tp, 5780_CLASS)) |
| tg3_flag_set(tp, JUMBO_RING_ENABLE); |
| |
| /* Determine WakeOnLan speed to use. */ |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 || |
| tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 || |
| tp->pci_chip_rev_id == CHIPREV_ID_5701_B0 || |
| tp->pci_chip_rev_id == CHIPREV_ID_5701_B2) { |
| tg3_flag_clear(tp, WOL_SPEED_100MB); |
| } else { |
| tg3_flag_set(tp, WOL_SPEED_100MB); |
| } |
| |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) |
| tp->phy_flags |= TG3_PHYFLG_IS_FET; |
| |
| /* A few boards don't want Ethernet@WireSpeed phy feature */ |
| if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) || |
| ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) && |
| (tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) && |
| (tp->pci_chip_rev_id != CHIPREV_ID_5705_A1)) || |
| (tp->phy_flags & TG3_PHYFLG_IS_FET) || |
| (tp->phy_flags & TG3_PHYFLG_ANY_SERDES)) |
| tp->phy_flags |= TG3_PHYFLG_NO_ETH_WIRE_SPEED; |
| |
| if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5703_AX || |
| GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5704_AX) |
| tp->phy_flags |= TG3_PHYFLG_ADC_BUG; |
| if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0) |
| tp->phy_flags |= TG3_PHYFLG_5704_A0_BUG; |
| |
| if (tg3_flag(tp, 5705_PLUS) && |
| !(tp->phy_flags & TG3_PHYFLG_IS_FET) && |
| GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5785 && |
| GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_57780 && |
| !tg3_flag(tp, 57765_PLUS)) { |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761) { |
| if (tp->pdev->device != PCI_DEVICE_ID_TIGON3_5756 && |
| tp->pdev->device != PCI_DEVICE_ID_TIGON3_5722) |
| tp->phy_flags |= TG3_PHYFLG_JITTER_BUG; |
| if (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5755M) |
| tp->phy_flags |= TG3_PHYFLG_ADJUST_TRIM; |
| } else |
| tp->phy_flags |= TG3_PHYFLG_BER_BUG; |
| } |
| |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 && |
| GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX) { |
| tp->phy_otp = tg3_read_otp_phycfg(tp); |
| if (tp->phy_otp == 0) |
| tp->phy_otp = TG3_OTP_DEFAULT; |
| } |
| |
| if (tg3_flag(tp, CPMU_PRESENT)) |
| tp->mi_mode = MAC_MI_MODE_500KHZ_CONST; |
| else |
| tp->mi_mode = MAC_MI_MODE_BASE; |
| |
| tp->coalesce_mode = 0; |
| if (GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5700_AX && |
| GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5700_BX) |
| tp->coalesce_mode |= HOSTCC_MODE_32BYTE; |
| |
| /* Set these bits to enable statistics workaround. */ |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 || |
| tp->pci_chip_rev_id == CHIPREV_ID_5719_A0 || |
| tp->pci_chip_rev_id == CHIPREV_ID_5720_A0) { |
| tp->coalesce_mode |= HOSTCC_MODE_ATTN; |
| tp->grc_mode |= GRC_MODE_IRQ_ON_FLOW_ATTN; |
| } |
| |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780) |
| tg3_flag_set(tp, USE_PHYLIB); |
| |
| err = tg3_mdio_init(tp); |
| if (err) |
| return err; |
| |
| /* Initialize data/descriptor byte/word swapping. */ |
| val = tr32(GRC_MODE); |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5720) |
| val &= (GRC_MODE_BYTE_SWAP_B2HRX_DATA | |
| GRC_MODE_WORD_SWAP_B2HRX_DATA | |
| GRC_MODE_B2HRX_ENABLE | |
| GRC_MODE_HTX2B_ENABLE | |
| GRC_MODE_HOST_STACKUP); |
| else |
| val &= GRC_MODE_HOST_STACKUP; |
| |
| tw32(GRC_MODE, val | tp->grc_mode); |
| |
| tg3_switch_clocks(tp); |
| |
| /* Clear this out for sanity. */ |
| tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0); |
| |
| pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE, |
| &pci_state_reg); |
| if ((pci_state_reg & PCISTATE_CONV_PCI_MODE) == 0 && |
| !tg3_flag(tp, PCIX_TARGET_HWBUG)) { |
| u32 chiprevid = GET_CHIP_REV_ID(tp->misc_host_ctrl); |
| |
| if (chiprevid == CHIPREV_ID_5701_A0 || |
| chiprevid == CHIPREV_ID_5701_B0 || |
| chiprevid == CHIPREV_ID_5701_B2 || |
| chiprevid == CHIPREV_ID_5701_B5) { |
| void __iomem *sram_base; |
| |
| /* Write some dummy words into the SRAM status block |
| * area, see if it reads back correctly. If the return |
| * value is bad, force enable the PCIX workaround. |
| */ |
| sram_base = tp->regs + NIC_SRAM_WIN_BASE + NIC_SRAM_STATS_BLK; |
| |
| writel(0x00000000, sram_base); |
| writel(0x00000000, sram_base + 4); |
| writel(0xffffffff, sram_base + 4); |
| if (readl(sram_base) != 0x00000000) |
| tg3_flag_set(tp, PCIX_TARGET_HWBUG); |
| } |
| } |
| |
| udelay(50); |
| tg3_nvram_init(tp); |
| |
| grc_misc_cfg = tr32(GRC_MISC_CFG); |
| grc_misc_cfg &= GRC_MISC_CFG_BOARD_ID_MASK; |
| |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 && |
| (grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5788 || |
| grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5788M)) |
| tg3_flag_set(tp, IS_5788); |
| |
| if (!tg3_flag(tp, IS_5788) && |
| (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700)) |
| tg3_flag_set(tp, TAGGED_STATUS); |
| if (tg3_flag(tp, TAGGED_STATUS)) { |
| tp->coalesce_mode |= (HOSTCC_MODE_CLRTICK_RXBD | |
| HOSTCC_MODE_CLRTICK_TXBD); |
| |
| tp->misc_host_ctrl |= MISC_HOST_CTRL_TAGGED_STATUS; |
| pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL, |
| tp->misc_host_ctrl); |
| } |
| |
| /* Preserve the APE MAC_MODE bits */ |
| if (tg3_flag(tp, ENABLE_APE)) |
| tp->mac_mode = MAC_MODE_APE_TX_EN | MAC_MODE_APE_RX_EN; |
| else |
| tp->mac_mode = TG3_DEF_MAC_MODE; |
| |
| /* these are limited to 10/100 only */ |
| if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 && |
| (grc_misc_cfg == 0x8000 || grc_misc_cfg == 0x4000)) || |
| (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 && |
| tp->pdev->vendor == PCI_VENDOR_ID_BROADCOM && |
| (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5901 || |
| tp->pdev->device == PCI_DEVICE_ID_TIGON3_5901_2 || |
| tp->pdev->device == PCI_DEVICE_ID_TIGON3_5705F)) || |
| (tp->pdev->vendor == PCI_VENDOR_ID_BROADCOM && |
| (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5751F || |
| tp->pdev->device == PCI_DEVICE_ID_TIGON3_5753F || |
| tp->pdev->device == PCI_DEVICE_ID_TIGON3_5787F)) || |
| tp->pdev->device == TG3PCI_DEVICE_TIGON3_57790 || |
| tp->pdev->device == TG3PCI_DEVICE_TIGON3_57791 || |
| tp->pdev->device == TG3PCI_DEVICE_TIGON3_57795 || |
| (tp->phy_flags & TG3_PHYFLG_IS_FET)) |
| tp->phy_flags |= TG3_PHYFLG_10_100_ONLY; |
| |
| err = tg3_phy_probe(tp); |
| if (err) { |
| dev_err(&tp->pdev->dev, "phy probe failed, err %d\n", err); |
| /* ... but do not return immediately ... */ |
| tg3_mdio_fini(tp); |
| } |
| |
| tg3_read_vpd(tp); |
| tg3_read_fw_ver(tp); |
| |
| if (tp->phy_flags & TG3_PHYFLG_PHY_SERDES) { |
| tp->phy_flags &= ~TG3_PHYFLG_USE_MI_INTERRUPT; |
| } else { |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) |
| tp->phy_flags |= TG3_PHYFLG_USE_MI_INTERRUPT; |
| else |
| tp->phy_flags &= ~TG3_PHYFLG_USE_MI_INTERRUPT; |
| } |
| |
| /* 5700 {AX,BX} chips have a broken status block link |
| * change bit implementation, so we must use the |
| * status register in those cases. |
| */ |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) |
| tg3_flag_set(tp, USE_LINKCHG_REG); |
| else |
| tg3_flag_clear(tp, USE_LINKCHG_REG); |
| |
| /* The led_ctrl is set during tg3_phy_probe, here we might |
| * have to force the link status polling mechanism based |
| * upon subsystem IDs. |
| */ |
| if (tp->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL && |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 && |
| !(tp->phy_flags & TG3_PHYFLG_PHY_SERDES)) { |
| tp->phy_flags |= TG3_PHYFLG_USE_MI_INTERRUPT; |
| tg3_flag_set(tp, USE_LINKCHG_REG); |
| } |
| |
| /* For all SERDES we poll the MAC status register. */ |
| if (tp->phy_flags & TG3_PHYFLG_PHY_SERDES) |
| tg3_flag_set(tp, POLL_SERDES); |
| else |
| tg3_flag_clear(tp, POLL_SERDES); |
| |
| tp->rx_offset = NET_IP_ALIGN; |
| tp->rx_copy_thresh = TG3_RX_COPY_THRESHOLD; |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 && |
| tg3_flag(tp, PCIX_MODE)) { |
| tp->rx_offset = 0; |
| #ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS |
| tp->rx_copy_thresh = ~(u16)0; |
| #endif |
| } |
| |
| tp->rx_std_ring_mask = TG3_RX_STD_RING_SIZE(tp) - 1; |
| tp->rx_jmb_ring_mask = TG3_RX_JMB_RING_SIZE(tp) - 1; |
| tp->rx_ret_ring_mask = tg3_rx_ret_ring_size(tp) - 1; |
| |
| tp->rx_std_max_post = tp->rx_std_ring_mask + 1; |
| |
| /* Increment the rx prod index on the rx std ring by at most |
| * 8 for these chips to workaround hw errata. |
| */ |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755) |
| tp->rx_std_max_post = 8; |
| |
| if (tg3_flag(tp, ASPM_WORKAROUND)) |
| tp->pwrmgmt_thresh = tr32(PCIE_PWR_MGMT_THRESH) & |
| PCIE_PWR_MGMT_L1_THRESH_MSK; |
| |
| return err; |
| } |
| |
| #ifdef CONFIG_SPARC |
| static int __devinit tg3_get_macaddr_sparc(struct tg3 *tp) |
| { |
| struct net_device *dev = tp->dev; |
| struct pci_dev *pdev = tp->pdev; |
| struct device_node *dp = pci_device_to_OF_node(pdev); |
| const unsigned char *addr; |
| int len; |
| |
| addr = of_get_property(dp, "local-mac-address", &len); |
| if (addr && len == 6) { |
| memcpy(dev->dev_addr, addr, 6); |
| memcpy(dev->perm_addr, dev->dev_addr, 6); |
| return 0; |
| } |
| return -ENODEV; |
| } |
| |
| static int __devinit tg3_get_default_macaddr_sparc(struct tg3 *tp) |
| { |
| struct net_device *dev = tp->dev; |
| |
| memcpy(dev->dev_addr, idprom->id_ethaddr, 6); |
| memcpy(dev->perm_addr, idprom->id_ethaddr, 6); |
| return 0; |
| } |
| #endif |
| |
| static int __devinit tg3_get_device_address(struct tg3 *tp) |
| { |
| struct net_device *dev = tp->dev; |
| u32 hi, lo, mac_offset; |
| int addr_ok = 0; |
| |
| #ifdef CONFIG_SPARC |
| if (!tg3_get_macaddr_sparc(tp)) |
| return 0; |
| #endif |
| |
| mac_offset = 0x7c; |
| if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) || |
| tg3_flag(tp, 5780_CLASS)) { |
| if (tr32(TG3PCI_DUAL_MAC_CTRL) & DUAL_MAC_CTRL_ID) |
| mac_offset = 0xcc; |
| if (tg3_nvram_lock(tp)) |
| tw32_f(NVRAM_CMD, NVRAM_CMD_RESET); |
| else |
| tg3_nvram_unlock(tp); |
| } else if (tg3_flag(tp, 5717_PLUS)) { |
| if (PCI_FUNC(tp->pdev->devfn) & 1) |
| mac_offset = 0xcc; |
| if (PCI_FUNC(tp->pdev->devfn) > 1) |
| mac_offset += 0x18c; |
| } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) |
| mac_offset = 0x10; |
| |
| /* First try to get it from MAC address mailbox. */ |
| tg3_read_mem(tp, NIC_SRAM_MAC_ADDR_HIGH_MBOX, &hi); |
| if ((hi >> 16) == 0x484b) { |
| dev->dev_addr[0] = (hi >> 8) & 0xff; |
| dev->dev_addr[1] = (hi >> 0) & 0xff; |
| |
| tg3_read_mem(tp, NIC_SRAM_MAC_ADDR_LOW_MBOX, &lo); |
| dev->dev_addr[2] = (lo >> 24) & 0xff; |
| dev->dev_addr[3] = (lo >> 16) & 0xff; |
| dev->dev_addr[4] = (lo >> 8) & 0xff; |
| dev->dev_addr[5] = (lo >> 0) & 0xff; |
| |
| /* Some old bootcode may report a 0 MAC address in SRAM */ |
| addr_ok = is_valid_ether_addr(&dev->dev_addr[0]); |
| } |
| if (!addr_ok) { |
| /* Next, try NVRAM. */ |
| if (!tg3_flag(tp, NO_NVRAM) && |
| !tg3_nvram_read_be32(tp, mac_offset + 0, &hi) && |
| !tg3_nvram_read_be32(tp, mac_offset + 4, &lo)) { |
| memcpy(&dev->dev_addr[0], ((char *)&hi) + 2, 2); |
| memcpy(&dev->dev_addr[2], (char *)&lo, sizeof(lo)); |
| } |
| /* Finally just fetch it out of the MAC control regs. */ |
| else { |
| hi = tr32(MAC_ADDR_0_HIGH); |
| lo = tr32(MAC_ADDR_0_LOW); |
| |
| dev->dev_addr[5] = lo & 0xff; |
| dev->dev_addr[4] = (lo >> 8) & 0xff; |
| dev->dev_addr[3] = (lo >> 16) & 0xff; |
| dev->dev_addr[2] = (lo >> 24) & 0xff; |
| dev->dev_addr[1] = hi & 0xff; |
| dev->dev_addr[0] = (hi >> 8) & 0xff; |
| } |
| } |
| |
| if (!is_valid_ether_addr(&dev->dev_addr[0])) { |
| #ifdef CONFIG_SPARC |
| if (!tg3_get_default_macaddr_sparc(tp)) |
| return 0; |
| #endif |
| return -EINVAL; |
| } |
| memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len); |
| return 0; |
| } |
| |
| #define BOUNDARY_SINGLE_CACHELINE 1 |
| #define BOUNDARY_MULTI_CACHELINE 2 |
| |
| static u32 __devinit tg3_calc_dma_bndry(struct tg3 *tp, u32 val) |
| { |
| int cacheline_size; |
| u8 byte; |
| int goal; |
| |
| pci_read_config_byte(tp->pdev, PCI_CACHE_LINE_SIZE, &byte); |
| if (byte == 0) |
| cacheline_size = 1024; |
| else |
| cacheline_size = (int) byte * 4; |
| |
| /* On 5703 and later chips, the boundary bits have no |
| * effect. |
| */ |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 && |
| GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701 && |
| !tg3_flag(tp, PCI_EXPRESS)) |
| goto out; |
| |
| #if defined(CONFIG_PPC64) || defined(CONFIG_IA64) || defined(CONFIG_PARISC) |
| goal = BOUNDARY_MULTI_CACHELINE; |
| #else |
| #if defined(CONFIG_SPARC64) || defined(CONFIG_ALPHA) |
| goal = BOUNDARY_SINGLE_CACHELINE; |
| #else |
| goal = 0; |
| #endif |
| #endif |
| |
| if (tg3_flag(tp, 57765_PLUS)) { |
| val = goal ? 0 : DMA_RWCTRL_DIS_CACHE_ALIGNMENT; |
| goto out; |
| } |
| |
| if (!goal) |
| goto out; |
| |
| /* PCI controllers on most RISC systems tend to disconnect |
| * when a device tries to burst across a cache-line boundary. |
| * Therefore, letting tg3 do so just wastes PCI bandwidth. |
| * |
| * Unfortunately, for PCI-E there are only limited |
| * write-side controls for this, and thus for reads |
| * we will still get the disconnects. We'll also waste |
| * these PCI cycles for both read and write for chips |
| * other than 5700 and 5701 which do not implement the |
| * boundary bits. |
| */ |
| if (tg3_flag(tp, PCIX_MODE) && !tg3_flag(tp, PCI_EXPRESS)) { |
| switch (cacheline_size) { |
| case 16: |
| case 32: |
| case 64: |
| case 128: |
| if (goal == BOUNDARY_SINGLE_CACHELINE) { |
| val |= (DMA_RWCTRL_READ_BNDRY_128_PCIX | |
| DMA_RWCTRL_WRITE_BNDRY_128_PCIX); |
| } else { |
| val |= (DMA_RWCTRL_READ_BNDRY_384_PCIX | |
| DMA_RWCTRL_WRITE_BNDRY_384_PCIX); |
| } |
| break; |
| |
| case 256: |
| val |= (DMA_RWCTRL_READ_BNDRY_256_PCIX | |
| DMA_RWCTRL_WRITE_BNDRY_256_PCIX); |
| break; |
| |
| default: |
| val |= (DMA_RWCTRL_READ_BNDRY_384_PCIX | |
| DMA_RWCTRL_WRITE_BNDRY_384_PCIX); |
| break; |
| } |
| } else if (tg3_flag(tp, PCI_EXPRESS)) { |
| switch (cacheline_size) { |
| case 16: |
| case 32: |
| case 64: |
| if (goal == BOUNDARY_SINGLE_CACHELINE) { |
| val &= ~DMA_RWCTRL_WRITE_BNDRY_DISAB_PCIE; |
| val |= DMA_RWCTRL_WRITE_BNDRY_64_PCIE; |
| break; |
| } |
| /* fallthrough */ |
| case 128: |
| default: |
| val &= ~DMA_RWCTRL_WRITE_BNDRY_DISAB_PCIE; |
| val |= DMA_RWCTRL_WRITE_BNDRY_128_PCIE; |
| break; |
| } |
| } else { |
| switch (cacheline_size) { |
| case 16: |
| if (goal == BOUNDARY_SINGLE_CACHELINE) { |
| val |= (DMA_RWCTRL_READ_BNDRY_16 | |
| DMA_RWCTRL_WRITE_BNDRY_16); |
| break; |
| } |
| /* fallthrough */ |
| case 32: |
| if (goal == BOUNDARY_SINGLE_CACHELINE) { |
| val |= (DMA_RWCTRL_READ_BNDRY_32 | |
| DMA_RWCTRL_WRITE_BNDRY_32); |
| break; |
| } |
| /* fallthrough */ |
| case 64: |
| if (goal == BOUNDARY_SINGLE_CACHELINE) { |
| val |= (DMA_RWCTRL_READ_BNDRY_64 | |
| DMA_RWCTRL_WRITE_BNDRY_64); |
| break; |
| } |
| /* fallthrough */ |
| case 128: |
| if (goal == BOUNDARY_SINGLE_CACHELINE) { |
| val |= (DMA_RWCTRL_READ_BNDRY_128 | |
| DMA_RWCTRL_WRITE_BNDRY_128); |
| break; |
| } |
| /* fallthrough */ |
| case 256: |
| val |= (DMA_RWCTRL_READ_BNDRY_256 | |
| DMA_RWCTRL_WRITE_BNDRY_256); |
| break; |
| case 512: |
| val |= (DMA_RWCTRL_READ_BNDRY_512 | |
| DMA_RWCTRL_WRITE_BNDRY_512); |
| break; |
| case 1024: |
| default: |
| val |= (DMA_RWCTRL_READ_BNDRY_1024 | |
| DMA_RWCTRL_WRITE_BNDRY_1024); |
| break; |
| } |
| } |
| |
| out: |
| return val; |
| } |
| |
| static int __devinit tg3_do_test_dma(struct tg3 *tp, u32 *buf, dma_addr_t buf_dma, int size, int to_device) |
| { |
| struct tg3_internal_buffer_desc test_desc; |
| u32 sram_dma_descs; |
| int i, ret; |
| |
| sram_dma_descs = NIC_SRAM_DMA_DESC_POOL_BASE; |
| |
| tw32(FTQ_RCVBD_COMP_FIFO_ENQDEQ, 0); |
| tw32(FTQ_RCVDATA_COMP_FIFO_ENQDEQ, 0); |
| tw32(RDMAC_STATUS, 0); |
| tw32(WDMAC_STATUS, 0); |
| |
| tw32(BUFMGR_MODE, 0); |
| tw32(FTQ_RESET, 0); |
| |
| test_desc.addr_hi = ((u64) buf_dma) >> 32; |
| test_desc.addr_lo = buf_dma & 0xffffffff; |
| test_desc.nic_mbuf = 0x00002100; |
| test_desc.len = size; |
| |
| /* |
| * HP ZX1 was seeing test failures for 5701 cards running at 33Mhz |
| * the *second* time the tg3 driver was getting loaded after an |
| * initial scan. |
| * |
| * Broadcom tells me: |
| * ...the DMA engine is connected to the GRC block and a DMA |
| * reset may affect the GRC block in some unpredictable way... |
| * The behavior of resets to individual blocks has not been tested. |
| * |
| * Broadcom noted the GRC reset will also reset all sub-components. |
| */ |
| if (to_device) { |
| test_desc.cqid_sqid = (13 << 8) | 2; |
| |
| tw32_f(RDMAC_MODE, RDMAC_MODE_ENABLE); |
| udelay(40); |
| } else { |
| test_desc.cqid_sqid = (16 << 8) | 7; |
| |
| tw32_f(WDMAC_MODE, WDMAC_MODE_ENABLE); |
| udelay(40); |
| } |
| test_desc.flags = 0x00000005; |
| |
| for (i = 0; i < (sizeof(test_desc) / sizeof(u32)); i++) { |
| u32 val; |
| |
| val = *(((u32 *)&test_desc) + i); |
| pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, |
| sram_dma_descs + (i * sizeof(u32))); |
| pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val); |
| } |
| pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0); |
| |
| if (to_device) |
| tw32(FTQ_DMA_HIGH_READ_FIFO_ENQDEQ, sram_dma_descs); |
| else |
| tw32(FTQ_DMA_HIGH_WRITE_FIFO_ENQDEQ, sram_dma_descs); |
| |
| ret = -ENODEV; |
| for (i = 0; i < 40; i++) { |
| u32 val; |
| |
| if (to_device) |
| val = tr32(FTQ_RCVBD_COMP_FIFO_ENQDEQ); |
| else |
| val = tr32(FTQ_RCVDATA_COMP_FIFO_ENQDEQ); |
| if ((val & 0xffff) == sram_dma_descs) { |
| ret = 0; |
| break; |
| } |
| |
| udelay(100); |
| } |
| |
| return ret; |
| } |
| |
| #define TEST_BUFFER_SIZE 0x2000 |
| |
| static DEFINE_PCI_DEVICE_TABLE(tg3_dma_wait_state_chipsets) = { |
| { PCI_DEVICE(PCI_VENDOR_ID_APPLE, PCI_DEVICE_ID_APPLE_UNI_N_PCI15) }, |
| { }, |
| }; |
| |
| static int __devinit tg3_test_dma(struct tg3 *tp) |
| { |
| dma_addr_t buf_dma; |
| u32 *buf, saved_dma_rwctrl; |
| int ret = 0; |
| |
| buf = dma_alloc_coherent(&tp->pdev->dev, TEST_BUFFER_SIZE, |
| &buf_dma, GFP_KERNEL); |
| if (!buf) { |
| ret = -ENOMEM; |
| goto out_nofree; |
| } |
| |
| tp->dma_rwctrl = ((0x7 << DMA_RWCTRL_PCI_WRITE_CMD_SHIFT) | |
| (0x6 << DMA_RWCTRL_PCI_READ_CMD_SHIFT)); |
| |
| tp->dma_rwctrl = tg3_calc_dma_bndry(tp, tp->dma_rwctrl); |
| |
| if (tg3_flag(tp, 57765_PLUS)) |
| goto out; |
| |
| if (tg3_flag(tp, PCI_EXPRESS)) { |
| /* DMA read watermark not used on PCIE */ |
| tp->dma_rwctrl |= 0x00180000; |
| } else if (!tg3_flag(tp, PCIX_MODE)) { |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) |
| tp->dma_rwctrl |= 0x003f0000; |
| else |
| tp->dma_rwctrl |= 0x003f000f; |
| } else { |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) { |
| u32 ccval = (tr32(TG3PCI_CLOCK_CTRL) & 0x1f); |
| u32 read_water = 0x7; |
| |
| /* If the 5704 is behind the EPB bridge, we can |
| * do the less restrictive ONE_DMA workaround for |
| * better performance. |
| */ |
| if (tg3_flag(tp, 40BIT_DMA_BUG) && |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) |
| tp->dma_rwctrl |= 0x8000; |
| else if (ccval == 0x6 || ccval == 0x7) |
| tp->dma_rwctrl |= DMA_RWCTRL_ONE_DMA; |
| |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703) |
| read_water = 4; |
| /* Set bit 23 to enable PCIX hw bug fix */ |
| tp->dma_rwctrl |= |
| (read_water << DMA_RWCTRL_READ_WATER_SHIFT) | |
| (0x3 << DMA_RWCTRL_WRITE_WATER_SHIFT) | |
| (1 << 23); |
| } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780) { |
| /* 5780 always in PCIX mode */ |
| tp->dma_rwctrl |= 0x00144000; |
| } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) { |
| /* 5714 always in PCIX mode */ |
| tp->dma_rwctrl |= 0x00148000; |
| } else { |
| tp->dma_rwctrl |= 0x001b000f; |
| } |
| } |
| |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) |
| tp->dma_rwctrl &= 0xfffffff0; |
| |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) { |
| /* Remove this if it causes problems for some boards. */ |
| tp->dma_rwctrl |= DMA_RWCTRL_USE_MEM_READ_MULT; |
| |
| /* On 5700/5701 chips, we need to set this bit. |
| * Otherwise the chip will issue cacheline transactions |
| * to streamable DMA memory with not all the byte |
| * enables turned on. This is an error on several |
| * RISC PCI controllers, in particular sparc64. |
| * |
| * On 5703/5704 chips, this bit has been reassigned |
| * a different meaning. In particular, it is used |
| * on those chips to enable a PCI-X workaround. |
| */ |
| tp->dma_rwctrl |= DMA_RWCTRL_ASSERT_ALL_BE; |
| } |
| |
| tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl); |
| |
| #if 0 |
| /* Unneeded, already done by tg3_get_invariants. */ |
| tg3_switch_clocks(tp); |
| #endif |
| |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 && |
| GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) |
| goto out; |
| |
| /* It is best to perform DMA test with maximum write burst size |
| * to expose the 5700/5701 write DMA bug. |
| */ |
| saved_dma_rwctrl = tp->dma_rwctrl; |
| tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK; |
| tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl); |
| |
| while (1) { |
| u32 *p = buf, i; |
| |
| for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++) |
| p[i] = i; |
| |
| /* Send the buffer to the chip. */ |
| ret = tg3_do_test_dma(tp, buf, buf_dma, TEST_BUFFER_SIZE, 1); |
| if (ret) { |
| dev_err(&tp->pdev->dev, |
| "%s: Buffer write failed. err = %d\n", |
| __func__, ret); |
| break; |
| } |
| |
| #if 0 |
| /* validate data reached card RAM correctly. */ |
| for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++) { |
| u32 val; |
| tg3_read_mem(tp, 0x2100 + (i*4), &val); |
| if (le32_to_cpu(val) != p[i]) { |
| dev_err(&tp->pdev->dev, |
| "%s: Buffer corrupted on device! " |
| "(%d != %d)\n", __func__, val, i); |
| /* ret = -ENODEV here? */ |
| } |
| p[i] = 0; |
| } |
| #endif |
| /* Now read it back. */ |
| ret = tg3_do_test_dma(tp, buf, buf_dma, TEST_BUFFER_SIZE, 0); |
| if (ret) { |
| dev_err(&tp->pdev->dev, "%s: Buffer read failed. " |
| "err = %d\n", __func__, ret); |
| break; |
| } |
| |
| /* Verify it. */ |
| for (i = 0; i < TEST_BUFFER_SIZE / sizeof(u32); i++) { |
| if (p[i] == i) |
| continue; |
| |
| if ((tp->dma_rwctrl & DMA_RWCTRL_WRITE_BNDRY_MASK) != |
| DMA_RWCTRL_WRITE_BNDRY_16) { |
| tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK; |
| tp->dma_rwctrl |= DMA_RWCTRL_WRITE_BNDRY_16; |
| tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl); |
| break; |
| } else { |
| dev_err(&tp->pdev->dev, |
| "%s: Buffer corrupted on read back! " |
| "(%d != %d)\n", __func__, p[i], i); |
| ret = -ENODEV; |
| goto out; |
| } |
| } |
| |
| if (i == (TEST_BUFFER_SIZE / sizeof(u32))) { |
| /* Success. */ |
| ret = 0; |
| break; |
| } |
| } |
| if ((tp->dma_rwctrl & DMA_RWCTRL_WRITE_BNDRY_MASK) != |
| DMA_RWCTRL_WRITE_BNDRY_16) { |
| /* DMA test passed without adjusting DMA boundary, |
| * now look for chipsets that are known to expose the |
| * DMA bug without failing the test. |
| */ |
| if (pci_dev_present(tg3_dma_wait_state_chipsets)) { |
| tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK; |
| tp->dma_rwctrl |= DMA_RWCTRL_WRITE_BNDRY_16; |
| } else { |
| /* Safe to use the calculated DMA boundary. */ |
| tp->dma_rwctrl = saved_dma_rwctrl; |
| } |
| |
| tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl); |
| } |
| |
| out: |
| dma_free_coherent(&tp->pdev->dev, TEST_BUFFER_SIZE, buf, buf_dma); |
| out_nofree: |
| return ret; |
| } |
| |
| static void __devinit tg3_init_bufmgr_config(struct tg3 *tp) |
| { |
| if (tg3_flag(tp, 57765_PLUS)) { |
| tp->bufmgr_config.mbuf_read_dma_low_water = |
| DEFAULT_MB_RDMA_LOW_WATER_5705; |
| tp->bufmgr_config.mbuf_mac_rx_low_water = |
| DEFAULT_MB_MACRX_LOW_WATER_57765; |
| tp->bufmgr_config.mbuf_high_water = |
| DEFAULT_MB_HIGH_WATER_57765; |
| |
| tp->bufmgr_config.mbuf_read_dma_low_water_jumbo = |
| DEFAULT_MB_RDMA_LOW_WATER_5705; |
| tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo = |
| DEFAULT_MB_MACRX_LOW_WATER_JUMBO_57765; |
| tp->bufmgr_config.mbuf_high_water_jumbo = |
| DEFAULT_MB_HIGH_WATER_JUMBO_57765; |
| } else if (tg3_flag(tp, 5705_PLUS)) { |
| tp->bufmgr_config.mbuf_read_dma_low_water = |
| DEFAULT_MB_RDMA_LOW_WATER_5705; |
| tp->bufmgr_config.mbuf_mac_rx_low_water = |
| DEFAULT_MB_MACRX_LOW_WATER_5705; |
| tp->bufmgr_config.mbuf_high_water = |
| DEFAULT_MB_HIGH_WATER_5705; |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) { |
| tp->bufmgr_config.mbuf_mac_rx_low_water = |
| DEFAULT_MB_MACRX_LOW_WATER_5906; |
| tp->bufmgr_config.mbuf_high_water = |
| DEFAULT_MB_HIGH_WATER_5906; |
| } |
| |
| tp->bufmgr_config.mbuf_read_dma_low_water_jumbo = |
| DEFAULT_MB_RDMA_LOW_WATER_JUMBO_5780; |
| tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo = |
| DEFAULT_MB_MACRX_LOW_WATER_JUMBO_5780; |
| tp->bufmgr_config.mbuf_high_water_jumbo = |
| DEFAULT_MB_HIGH_WATER_JUMBO_5780; |
| } else { |
| tp->bufmgr_config.mbuf_read_dma_low_water = |
| DEFAULT_MB_RDMA_LOW_WATER; |
| tp->bufmgr_config.mbuf_mac_rx_low_water = |
| DEFAULT_MB_MACRX_LOW_WATER; |
| tp->bufmgr_config.mbuf_high_water = |
| DEFAULT_MB_HIGH_WATER; |
| |
| tp->bufmgr_config.mbuf_read_dma_low_water_jumbo = |
| DEFAULT_MB_RDMA_LOW_WATER_JUMBO; |
| tp->bufmgr_config.mbuf_mac_rx_low_water_jumbo = |
| DEFAULT_MB_MACRX_LOW_WATER_JUMBO; |
| tp->bufmgr_config.mbuf_high_water_jumbo = |
| DEFAULT_MB_HIGH_WATER_JUMBO; |
| } |
| |
| tp->bufmgr_config.dma_low_water = DEFAULT_DMA_LOW_WATER; |
| tp->bufmgr_config.dma_high_water = DEFAULT_DMA_HIGH_WATER; |
| } |
| |
| static char * __devinit tg3_phy_string(struct tg3 *tp) |
| { |
| switch (tp->phy_id & TG3_PHY_ID_MASK) { |
| case TG3_PHY_ID_BCM5400: return "5400"; |
| case TG3_PHY_ID_BCM5401: return "5401"; |
| case TG3_PHY_ID_BCM5411: return "5411"; |
| case TG3_PHY_ID_BCM5701: return "5701"; |
| case TG3_PHY_ID_BCM5703: return "5703"; |
| case TG3_PHY_ID_BCM5704: return "5704"; |
| case TG3_PHY_ID_BCM5705: return "5705"; |
| case TG3_PHY_ID_BCM5750: return "5750"; |
| case TG3_PHY_ID_BCM5752: return "5752"; |
| case TG3_PHY_ID_BCM5714: return "5714"; |
| case TG3_PHY_ID_BCM5780: return "5780"; |
| case TG3_PHY_ID_BCM5755: return "5755"; |
| case TG3_PHY_ID_BCM5787: return "5787"; |
| case TG3_PHY_ID_BCM5784: return "5784"; |
| case TG3_PHY_ID_BCM5756: return "5722/5756"; |
| case TG3_PHY_ID_BCM5906: return "5906"; |
| case TG3_PHY_ID_BCM5761: return "5761"; |
| case TG3_PHY_ID_BCM5718C: return "5718C"; |
| case TG3_PHY_ID_BCM5718S: return "5718S"; |
| case TG3_PHY_ID_BCM57765: return "57765"; |
| case TG3_PHY_ID_BCM5719C: return "5719C"; |
| case TG3_PHY_ID_BCM5720C: return "5720C"; |
| case TG3_PHY_ID_BCM8002: return "8002/serdes"; |
| case 0: return "serdes"; |
| default: return "unknown"; |
| } |
| } |
| |
| static char * __devinit tg3_bus_string(struct tg3 *tp, char *str) |
| { |
| if (tg3_flag(tp, PCI_EXPRESS)) { |
| strcpy(str, "PCI Express"); |
| return str; |
| } else if (tg3_flag(tp, PCIX_MODE)) { |
| u32 clock_ctrl = tr32(TG3PCI_CLOCK_CTRL) & 0x1f; |
| |
| strcpy(str, "PCIX:"); |
| |
| if ((clock_ctrl == 7) || |
| ((tr32(GRC_MISC_CFG) & GRC_MISC_CFG_BOARD_ID_MASK) == |
| GRC_MISC_CFG_BOARD_ID_5704CIOBE)) |
| strcat(str, "133MHz"); |
| else if (clock_ctrl == 0) |
| strcat(str, "33MHz"); |
| else if (clock_ctrl == 2) |
| strcat(str, "50MHz"); |
| else if (clock_ctrl == 4) |
| strcat(str, "66MHz"); |
| else if (clock_ctrl == 6) |
| strcat(str, "100MHz"); |
| } else { |
| strcpy(str, "PCI:"); |
| if (tg3_flag(tp, PCI_HIGH_SPEED)) |
| strcat(str, "66MHz"); |
| else |
| strcat(str, "33MHz"); |
| } |
| if (tg3_flag(tp, PCI_32BIT)) |
| strcat(str, ":32-bit"); |
| else |
| strcat(str, ":64-bit"); |
| return str; |
| } |
| |
| static struct pci_dev * __devinit tg3_find_peer(struct tg3 *tp) |
| { |
| struct pci_dev *peer; |
| unsigned int func, devnr = tp->pdev->devfn & ~7; |
| |
| for (func = 0; func < 8; func++) { |
| peer = pci_get_slot(tp->pdev->bus, devnr | func); |
| if (peer && peer != tp->pdev) |
| break; |
| pci_dev_put(peer); |
| } |
| /* 5704 can be configured in single-port mode, set peer to |
| * tp->pdev in that case. |
| */ |
| if (!peer) { |
| peer = tp->pdev; |
| return peer; |
| } |
| |
| /* |
| * We don't need to keep the refcount elevated; there's no way |
| * to remove one half of this device without removing the other |
| */ |
| pci_dev_put(peer); |
| |
| return peer; |
| } |
| |
| static void __devinit tg3_init_coal(struct tg3 *tp) |
| { |
| struct ethtool_coalesce *ec = &tp->coal; |
| |
| memset(ec, 0, sizeof(*ec)); |
| ec->cmd = ETHTOOL_GCOALESCE; |
| ec->rx_coalesce_usecs = LOW_RXCOL_TICKS; |
| ec->tx_coalesce_usecs = LOW_TXCOL_TICKS; |
| ec->rx_max_coalesced_frames = LOW_RXMAX_FRAMES; |
| ec->tx_max_coalesced_frames = LOW_TXMAX_FRAMES; |
| ec->rx_coalesce_usecs_irq = DEFAULT_RXCOAL_TICK_INT; |
| ec->tx_coalesce_usecs_irq = DEFAULT_TXCOAL_TICK_INT; |
| ec->rx_max_coalesced_frames_irq = DEFAULT_RXCOAL_MAXF_INT; |
| ec->tx_max_coalesced_frames_irq = DEFAULT_TXCOAL_MAXF_INT; |
| ec->stats_block_coalesce_usecs = DEFAULT_STAT_COAL_TICKS; |
| |
| if (tp->coalesce_mode & (HOSTCC_MODE_CLRTICK_RXBD | |
| HOSTCC_MODE_CLRTICK_TXBD)) { |
| ec->rx_coalesce_usecs = LOW_RXCOL_TICKS_CLRTCKS; |
| ec->rx_coalesce_usecs_irq = DEFAULT_RXCOAL_TICK_INT_CLRTCKS; |
| ec->tx_coalesce_usecs = LOW_TXCOL_TICKS_CLRTCKS; |
| ec->tx_coalesce_usecs_irq = DEFAULT_TXCOAL_TICK_INT_CLRTCKS; |
| } |
| |
| if (tg3_flag(tp, 5705_PLUS)) { |
| ec->rx_coalesce_usecs_irq = 0; |
| ec->tx_coalesce_usecs_irq = 0; |
| ec->stats_block_coalesce_usecs = 0; |
| } |
| } |
| |
| static const struct net_device_ops tg3_netdev_ops = { |
| .ndo_open = tg3_open, |
| .ndo_stop = tg3_close, |
| .ndo_start_xmit = tg3_start_xmit, |
| .ndo_get_stats64 = tg3_get_stats64, |
| .ndo_validate_addr = eth_validate_addr, |
| .ndo_set_multicast_list = tg3_set_rx_mode, |
| .ndo_set_mac_address = tg3_set_mac_addr, |
| .ndo_do_ioctl = tg3_ioctl, |
| .ndo_tx_timeout = tg3_tx_timeout, |
| .ndo_change_mtu = tg3_change_mtu, |
| .ndo_fix_features = tg3_fix_features, |
| .ndo_set_features = tg3_set_features, |
| #ifdef CONFIG_NET_POLL_CONTROLLER |
| .ndo_poll_controller = tg3_poll_controller, |
| #endif |
| }; |
| |
| static int __devinit tg3_init_one(struct pci_dev *pdev, |
| const struct pci_device_id *ent) |
| { |
| struct net_device *dev; |
| struct tg3 *tp; |
| int i, err, pm_cap; |
| u32 sndmbx, rcvmbx, intmbx; |
| char str[40]; |
| u64 dma_mask, persist_dma_mask; |
| u32 hw_features = 0; |
| |
| printk_once(KERN_INFO "%s\n", version); |
| |
| err = pci_enable_device(pdev); |
| if (err) { |
| dev_err(&pdev->dev, "Cannot enable PCI device, aborting\n"); |
| return err; |
| } |
| |
| err = pci_request_regions(pdev, DRV_MODULE_NAME); |
| if (err) { |
| dev_err(&pdev->dev, "Cannot obtain PCI resources, aborting\n"); |
| goto err_out_disable_pdev; |
| } |
| |
| pci_set_master(pdev); |
| |
| /* Find power-management capability. */ |
| pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM); |
| if (pm_cap == 0) { |
| dev_err(&pdev->dev, |
| "Cannot find Power Management capability, aborting\n"); |
| err = -EIO; |
| goto err_out_free_res; |
| } |
| |
| dev = alloc_etherdev_mq(sizeof(*tp), TG3_IRQ_MAX_VECS); |
| if (!dev) { |
| dev_err(&pdev->dev, "Etherdev alloc failed, aborting\n"); |
| err = -ENOMEM; |
| goto err_out_free_res; |
| } |
| |
| SET_NETDEV_DEV(dev, &pdev->dev); |
| |
| dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX; |
| |
| tp = netdev_priv(dev); |
| tp->pdev = pdev; |
| tp->dev = dev; |
| tp->pm_cap = pm_cap; |
| tp->rx_mode = TG3_DEF_RX_MODE; |
| tp->tx_mode = TG3_DEF_TX_MODE; |
| |
| if (tg3_debug > 0) |
| tp->msg_enable = tg3_debug; |
| else |
| tp->msg_enable = TG3_DEF_MSG_ENABLE; |
| |
| /* The word/byte swap controls here control register access byte |
| * swapping. DMA data byte swapping is controlled in the GRC_MODE |
| * setting below. |
| */ |
| tp->misc_host_ctrl = |
| MISC_HOST_CTRL_MASK_PCI_INT | |
| MISC_HOST_CTRL_WORD_SWAP | |
| MISC_HOST_CTRL_INDIR_ACCESS | |
| MISC_HOST_CTRL_PCISTATE_RW; |
| |
| /* The NONFRM (non-frame) byte/word swap controls take effect |
| * on descriptor entries, anything which isn't packet data. |
| * |
| * The StrongARM chips on the board (one for tx, one for rx) |
| * are running in big-endian mode. |
| */ |
| tp->grc_mode = (GRC_MODE_WSWAP_DATA | GRC_MODE_BSWAP_DATA | |
| GRC_MODE_WSWAP_NONFRM_DATA); |
| #ifdef __BIG_ENDIAN |
| tp->grc_mode |= GRC_MODE_BSWAP_NONFRM_DATA; |
| #endif |
| spin_lock_init(&tp->lock); |
| spin_lock_init(&tp->indirect_lock); |
| INIT_WORK(&tp->reset_task, tg3_reset_task); |
| |
| tp->regs = pci_ioremap_bar(pdev, BAR_0); |
| if (!tp->regs) { |
| dev_err(&pdev->dev, "Cannot map device registers, aborting\n"); |
| err = -ENOMEM; |
| goto err_out_free_dev; |
| } |
| |
| tp->rx_pending = TG3_DEF_RX_RING_PENDING; |
| tp->rx_jumbo_pending = TG3_DEF_RX_JUMBO_RING_PENDING; |
| |
| dev->ethtool_ops = &tg3_ethtool_ops; |
| dev->watchdog_timeo = TG3_TX_TIMEOUT; |
| dev->netdev_ops = &tg3_netdev_ops; |
| dev->irq = pdev->irq; |
| |
| err = tg3_get_invariants(tp); |
| if (err) { |
| dev_err(&pdev->dev, |
| "Problem fetching invariants of chip, aborting\n"); |
| goto err_out_iounmap; |
| } |
| |
| /* The EPB bridge inside 5714, 5715, and 5780 and any |
| * device behind the EPB cannot support DMA addresses > 40-bit. |
| * On 64-bit systems with IOMMU, use 40-bit dma_mask. |
| * On 64-bit systems without IOMMU, use 64-bit dma_mask and |
| * do DMA address check in tg3_start_xmit(). |
| */ |
| if (tg3_flag(tp, IS_5788)) |
| persist_dma_mask = dma_mask = DMA_BIT_MASK(32); |
| else if (tg3_flag(tp, 40BIT_DMA_BUG)) { |
| persist_dma_mask = dma_mask = DMA_BIT_MASK(40); |
| #ifdef CONFIG_HIGHMEM |
| dma_mask = DMA_BIT_MASK(64); |
| #endif |
| } else |
| persist_dma_mask = dma_mask = DMA_BIT_MASK(64); |
| |
| /* Configure DMA attributes. */ |
| if (dma_mask > DMA_BIT_MASK(32)) { |
| err = pci_set_dma_mask(pdev, dma_mask); |
| if (!err) { |
| dev->features |= NETIF_F_HIGHDMA; |
| err = pci_set_consistent_dma_mask(pdev, |
| persist_dma_mask); |
| if (err < 0) { |
| dev_err(&pdev->dev, "Unable to obtain 64 bit " |
| "DMA for consistent allocations\n"); |
| goto err_out_iounmap; |
| } |
| } |
| } |
| if (err || dma_mask == DMA_BIT_MASK(32)) { |
| err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); |
| if (err) { |
| dev_err(&pdev->dev, |
| "No usable DMA configuration, aborting\n"); |
| goto err_out_iounmap; |
| } |
| } |
| |
| tg3_init_bufmgr_config(tp); |
| |
| /* Selectively allow TSO based on operating conditions */ |
| if ((tg3_flag(tp, HW_TSO_1) || |
| tg3_flag(tp, HW_TSO_2) || |
| tg3_flag(tp, HW_TSO_3)) || |
| (tp->fw_needed && !tg3_flag(tp, ENABLE_ASF))) |
| tg3_flag_set(tp, TSO_CAPABLE); |
| else { |
| tg3_flag_clear(tp, TSO_CAPABLE); |
| tg3_flag_clear(tp, TSO_BUG); |
| tp->fw_needed = NULL; |
| } |
| |
| if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0) |
| tp->fw_needed = FIRMWARE_TG3; |
| |
| /* TSO is on by default on chips that support hardware TSO. |
| * Firmware TSO on older chips gives lower performance, so it |
| * is off by default, but can be enabled using ethtool. |
| */ |
| if ((tg3_flag(tp, HW_TSO_1) || |
| tg3_flag(tp, HW_TSO_2) || |
| tg3_flag(tp, HW_TSO_3)) && |
| (dev->features & NETIF_F_IP_CSUM)) |
| hw_features |= NETIF_F_TSO; |
| if (tg3_flag(tp, HW_TSO_2) || tg3_flag(tp, HW_TSO_3)) { |
| if (dev->features & NETIF_F_IPV6_CSUM) |
| hw_features |= NETIF_F_TSO6; |
| if (tg3_flag(tp, HW_TSO_3) || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 || |
| (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 && |
| GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX) || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 || |
| GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780) |
| hw_features |= NETIF_F_TSO_ECN; |
| } |
| |
| dev->hw_features |= hw_features; |
| dev->features |= hw_features; |
| dev->vlan_features |= hw_features; |
| |
| /* |
| * Add loopback capability only for a subset of devices that support |
| * MAC-LOOPBACK. Eventually this need to be enhanced to allow INT-PHY |
| * loopback for the remaining devices. |
| */ |
| if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5780 && |
| !tg3_flag(tp, CPMU_PRESENT)) |
| /* Add the loopback capability */ |
| dev->hw_features |= NETIF_F_LOOPBACK; |
| |
| if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 && |
| !tg3_flag(tp, TSO_CAPABLE) && |
| !(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH)) { |
| tg3_flag_set(tp, MAX_RXPEND_64); |
| tp->rx_pending = 63; |
| } |
| |
| err = tg3_get_device_address(tp); |
| if (err) { |
| dev_err(&pdev->dev, |
| "Could not obtain valid ethernet address, aborting\n"); |
| goto err_out_iounmap; |
| } |
| |
| if (tg3_flag(tp, ENABLE_APE)) { |
| tp->aperegs = pci_ioremap_bar(pdev, BAR_2); |
| if (!tp->aperegs) { |
| dev_err(&pdev->dev, |
| "Cannot map APE registers, aborting\n"); |
| err = -ENOMEM; |
| goto err_out_iounmap; |
| } |
| |
| tg3_ape_lock_init(tp); |
| |
| if (tg3_flag(tp, ENABLE_ASF)) |
| tg3_read_dash_ver(tp); |
| } |
| |
| /* |
| * Reset chip in case UNDI or EFI driver did not shutdown |
| * DMA self test will enable WDMAC and we'll see (spurious) |
| * pending DMA on the PCI bus at that point. |
| */ |
| if ((tr32(HOSTCC_MODE) & HOSTCC_MODE_ENABLE) || |
| (tr32(WDMAC_MODE) & WDMAC_MODE_ENABLE)) { |
| tw32(MEMARB_MODE, MEMARB_MODE_ENABLE); |
| tg3_halt(tp, RESET_KIND_SHUTDOWN, 1); |
| } |
| |
| err = tg3_test_dma(tp); |
| if (err) { |
| dev_err(&pdev->dev, "DMA engine test failed, aborting\n"); |
| goto err_out_apeunmap; |
| } |
| |
| intmbx = MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW; |
| rcvmbx = MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW; |
| sndmbx = MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW; |
| for (i = 0; i < tp->irq_max; i++) { |
| struct tg3_napi *tnapi = &tp->napi[i]; |
| |
| tnapi->tp = tp; |
| tnapi->tx_pending = TG3_DEF_TX_RING_PENDING; |
| |
| tnapi->int_mbox = intmbx; |
| if (i < 4) |
| intmbx += 0x8; |
| else |
| intmbx += 0x4; |
| |
| tnapi->consmbox = rcvmbx; |
| tnapi->prodmbox = sndmbx; |
| |
| if (i) |
| tnapi->coal_now = HOSTCC_MODE_COAL_VEC1_NOW << (i - 1); |
| else |
| tnapi->coal_now = HOSTCC_MODE_NOW; |
| |
| if (!tg3_flag(tp, SUPPORT_MSIX)) |
| break; |
| |
| /* |
| * If we support MSIX, we'll be using RSS. If we're using |
| * RSS, the first vector only handles link interrupts and the |
| * remaining vectors handle rx and tx interrupts. Reuse the |
| * mailbox values for the next iteration. The values we setup |
| * above are still useful for the single vectored mode. |
| */ |
| if (!i) |
| continue; |
| |
| rcvmbx += 0x8; |
| |
| if (sndmbx & 0x4) |
| sndmbx -= 0x4; |
| else |
| sndmbx += 0xc; |
| } |
| |
| tg3_init_coal(tp); |
| |
| pci_set_drvdata(pdev, dev); |
| |
| err = register_netdev(dev); |
| if (err) { |
| dev_err(&pdev->dev, "Cannot register net device, aborting\n"); |
| goto err_out_apeunmap; |
| } |
| |
| netdev_info(dev, "Tigon3 [partno(%s) rev %04x] (%s) MAC address %pM\n", |
| tp->board_part_number, |
| tp->pci_chip_rev_id, |
| tg3_bus_string(tp, str), |
| dev->dev_addr); |
| |
| if (tp->phy_flags & TG3_PHYFLG_IS_CONNECTED) { |
| struct phy_device *phydev; |
| phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR]; |
| netdev_info(dev, |
| "attached PHY driver [%s] (mii_bus:phy_addr=%s)\n", |
| phydev->drv->name, dev_name(&phydev->dev)); |
| } else { |
| char *ethtype; |
| |
| if (tp->phy_flags & TG3_PHYFLG_10_100_ONLY) |
| ethtype = "10/100Base-TX"; |
| else if (tp->phy_flags & TG3_PHYFLG_ANY_SERDES) |
| ethtype = "1000Base-SX"; |
| else |
| ethtype = "10/100/1000Base-T"; |
| |
| netdev_info(dev, "attached PHY is %s (%s Ethernet) " |
| "(WireSpeed[%d], EEE[%d])\n", |
| tg3_phy_string(tp), ethtype, |
| (tp->phy_flags & TG3_PHYFLG_NO_ETH_WIRE_SPEED) == 0, |
| (tp->phy_flags & TG3_PHYFLG_EEE_CAP) != 0); |
| } |
| |
| netdev_info(dev, "RXcsums[%d] LinkChgREG[%d] MIirq[%d] ASF[%d] TSOcap[%d]\n", |
| (dev->features & NETIF_F_RXCSUM) != 0, |
| tg3_flag(tp, USE_LINKCHG_REG) != 0, |
| (tp->phy_flags & TG3_PHYFLG_USE_MI_INTERRUPT) != 0, |
| tg3_flag(tp, ENABLE_ASF) != 0, |
| tg3_flag(tp, TSO_CAPABLE) != 0); |
| netdev_info(dev, "dma_rwctrl[%08x] dma_mask[%d-bit]\n", |
| tp->dma_rwctrl, |
| pdev->dma_mask == DMA_BIT_MASK(32) ? 32 : |
| ((u64)pdev->dma_mask) == DMA_BIT_MASK(40) ? 40 : 64); |
| |
| pci_save_state(pdev); |
| |
| return 0; |
| |
| err_out_apeunmap: |
| if (tp->aperegs) { |
| iounmap(tp->aperegs); |
| tp->aperegs = NULL; |
| } |
| |
| err_out_iounmap: |
| if (tp->regs) { |
| iounmap(tp->regs); |
| tp->regs = NULL; |
| } |
| |
| err_out_free_dev: |
| free_netdev(dev); |
| |
| err_out_free_res: |
| pci_release_regions(pdev); |
| |
| err_out_disable_pdev: |
| pci_disable_device(pdev); |
| pci_set_drvdata(pdev, NULL); |
| return err; |
| } |
| |
| static void __devexit tg3_remove_one(struct pci_dev *pdev) |
| { |
| struct net_device *dev = pci_get_drvdata(pdev); |
| |
| if (dev) { |
| struct tg3 *tp = netdev_priv(dev); |
| |
| if (tp->fw) |
| release_firmware(tp->fw); |
| |
| cancel_work_sync(&tp->reset_task); |
| |
| if (!tg3_flag(tp, USE_PHYLIB)) { |
| tg3_phy_fini(tp); |
| tg3_mdio_fini(tp); |
| } |
| |
| unregister_netdev(dev); |
| if (tp->aperegs) { |
| iounmap(tp->aperegs); |
| tp->aperegs = NULL; |
| } |
| if (tp->regs) { |
| iounmap(tp->regs); |
| tp->regs = NULL; |
| } |
| free_netdev(dev); |
| pci_release_regions(pdev); |
| pci_disable_device(pdev); |
| pci_set_drvdata(pdev, NULL); |
| } |
| } |
| |
| #ifdef CONFIG_PM_SLEEP |
| static int tg3_suspend(struct device *device) |
| { |
| struct pci_dev *pdev = to_pci_dev(device); |
| struct net_device *dev = pci_get_drvdata(pdev); |
| struct tg3 *tp = netdev_priv(dev); |
| int err; |
| |
| if (!netif_running(dev)) |
| return 0; |
| |
| flush_work_sync(&tp->reset_task); |
| tg3_phy_stop(tp); |
| tg3_netif_stop(tp); |
| |
| del_timer_sync(&tp->timer); |
| |
| tg3_full_lock(tp, 1); |
| tg3_disable_ints(tp); |
| tg3_full_unlock(tp); |
| |
| netif_device_detach(dev); |
| |
| tg3_full_lock(tp, 0); |
| tg3_halt(tp, RESET_KIND_SHUTDOWN, 1); |
| tg3_flag_clear(tp, INIT_COMPLETE); |
| tg3_full_unlock(tp); |
| |
| err = tg3_power_down_prepare(tp); |
| if (err) { |
| int err2; |
| |
| tg3_full_lock(tp, 0); |
| |
| tg3_flag_set(tp, INIT_COMPLETE); |
| err2 = tg3_restart_hw(tp, 1); |
| if (err2) |
| goto out; |
| |
| tp->timer.expires = jiffies + tp->timer_offset; |
| add_timer(&tp->timer); |
| |
| netif_device_attach(dev); |
| tg3_netif_start(tp); |
| |
| out: |
| tg3_full_unlock(tp); |
| |
| if (!err2) |
| tg3_phy_start(tp); |
| } |
| |
| return err; |
| } |
| |
| static int tg3_resume(struct device *device) |
| { |
| struct pci_dev *pdev = to_pci_dev(device); |
| struct net_device *dev = pci_get_drvdata(pdev); |
| struct tg3 *tp = netdev_priv(dev); |
| int err; |
| |
| if (!netif_running(dev)) |
| return 0; |
| |
| netif_device_attach(dev); |
| |
| tg3_full_lock(tp, 0); |
| |
| tg3_flag_set(tp, INIT_COMPLETE); |
| err = tg3_restart_hw(tp, 1); |
| if (err) |
| goto out; |
| |
| tp->timer.expires = jiffies + tp->timer_offset; |
| add_timer(&tp->timer); |
| |
| tg3_netif_start(tp); |
| |
| out: |
| tg3_full_unlock(tp); |
| |
| if (!err) |
| tg3_phy_start(tp); |
| |
| return err; |
| } |
| |
| static SIMPLE_DEV_PM_OPS(tg3_pm_ops, tg3_suspend, tg3_resume); |
| #define TG3_PM_OPS (&tg3_pm_ops) |
| |
| #else |
| |
| #define TG3_PM_OPS NULL |
| |
| #endif /* CONFIG_PM_SLEEP */ |
| |
| /** |
| * tg3_io_error_detected - called when PCI error is detected |
| * @pdev: Pointer to PCI device |
| * @state: The current pci connection state |
| * |
| * This function is called after a PCI bus error affecting |
| * this device has been detected. |
| */ |
| static pci_ers_result_t tg3_io_error_detected(struct pci_dev *pdev, |
| pci_channel_state_t state) |
| { |
| struct net_device *netdev = pci_get_drvdata(pdev); |
| struct tg3 *tp = netdev_priv(netdev); |
| pci_ers_result_t err = PCI_ERS_RESULT_NEED_RESET; |
| |
| netdev_info(netdev, "PCI I/O error detected\n"); |
| |
| rtnl_lock(); |
| |
| if (!netif_running(netdev)) |
| goto done; |
| |
| tg3_phy_stop(tp); |
| |
| tg3_netif_stop(tp); |
| |
| del_timer_sync(&tp->timer); |
| tg3_flag_clear(tp, RESTART_TIMER); |
| |
| /* Want to make sure that the reset task doesn't run */ |
| cancel_work_sync(&tp->reset_task); |
| tg3_flag_clear(tp, TX_RECOVERY_PENDING); |
| tg3_flag_clear(tp, RESTART_TIMER); |
| |
| netif_device_detach(netdev); |
| |
| /* Clean up software state, even if MMIO is blocked */ |
| tg3_full_lock(tp, 0); |
| tg3_halt(tp, RESET_KIND_SHUTDOWN, 0); |
| tg3_full_unlock(tp); |
| |
| done: |
| if (state == pci_channel_io_perm_failure) |
| err = PCI_ERS_RESULT_DISCONNECT; |
| else |
| pci_disable_device(pdev); |
| |
| rtnl_unlock(); |
| |
| return err; |
| } |
| |
| /** |
| * tg3_io_slot_reset - called after the pci bus has been reset. |
| * @pdev: Pointer to PCI device |
| * |
| * Restart the card from scratch, as if from a cold-boot. |
| * At this point, the card has exprienced a hard reset, |
| * followed by fixups by BIOS, and has its config space |
| * set up identically to what it was at cold boot. |
| */ |
| static pci_ers_result_t tg3_io_slot_reset(struct pci_dev *pdev) |
| { |
| struct net_device *netdev = pci_get_drvdata(pdev); |
| struct tg3 *tp = netdev_priv(netdev); |
| pci_ers_result_t rc = PCI_ERS_RESULT_DISCONNECT; |
| int err; |
| |
| rtnl_lock(); |
| |
| if (pci_enable_device(pdev)) { |
| netdev_err(netdev, "Cannot re-enable PCI device after reset.\n"); |
| goto done; |
| } |
| |
| pci_set_master(pdev); |
| pci_restore_state(pdev); |
| pci_save_state(pdev); |
| |
| if (!netif_running(netdev)) { |
| rc = PCI_ERS_RESULT_RECOVERED; |
| goto done; |
| } |
| |
| err = tg3_power_up(tp); |
| if (err) { |
| netdev_err(netdev, "Failed to restore register access.\n"); |
| goto done; |
| } |
| |
| rc = PCI_ERS_RESULT_RECOVERED; |
| |
| done: |
| rtnl_unlock(); |
| |
| return rc; |
| } |
| |
| /** |
| * tg3_io_resume - called when traffic can start flowing again. |
| * @pdev: Pointer to PCI device |
| * |
| * This callback is called when the error recovery driver tells |
| * us that its OK to resume normal operation. |
| */ |
| static void tg3_io_resume(struct pci_dev *pdev) |
| { |
| struct net_device *netdev = pci_get_drvdata(pdev); |
| struct tg3 *tp = netdev_priv(netdev); |
| int err; |
| |
| rtnl_lock(); |
| |
| if (!netif_running(netdev)) |
| goto done; |
| |
| tg3_full_lock(tp, 0); |
| tg3_flag_set(tp, INIT_COMPLETE); |
| err = tg3_restart_hw(tp, 1); |
| tg3_full_unlock(tp); |
| if (err) { |
| netdev_err(netdev, "Cannot restart hardware after reset.\n"); |
| goto done; |
| } |
| |
| netif_device_attach(netdev); |
| |
| tp->timer.expires = jiffies + tp->timer_offset; |
| add_timer(&tp->timer); |
| |
| tg3_netif_start(tp); |
| |
| tg3_phy_start(tp); |
| |
| done: |
| rtnl_unlock(); |
| } |
| |
| static struct pci_error_handlers tg3_err_handler = { |
| .error_detected = tg3_io_error_detected, |
| .slot_reset = tg3_io_slot_reset, |
| .resume = tg3_io_resume |
| }; |
| |
| static struct pci_driver tg3_driver = { |
| .name = DRV_MODULE_NAME, |
| .id_table = tg3_pci_tbl, |
| .probe = tg3_init_one, |
| .remove = __devexit_p(tg3_remove_one), |
| .err_handler = &tg3_err_handler, |
| .driver.pm = TG3_PM_OPS, |
| }; |
| |
| static int __init tg3_init(void) |
| { |
| return pci_register_driver(&tg3_driver); |
| } |
| |
| static void __exit tg3_cleanup(void) |
| { |
| pci_unregister_driver(&tg3_driver); |
| } |
| |
| module_init(tg3_init); |
| module_exit(tg3_cleanup); |