| /* |
| * Copyright (C) 2003 - 2006 NetXen, Inc. |
| * All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License |
| * as published by the Free Software Foundation; either version 2 |
| * of the License, or (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, but |
| * WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place - Suite 330, Boston, |
| * MA 02111-1307, USA. |
| * |
| * The full GNU General Public License is included in this distribution |
| * in the file called LICENSE. |
| * |
| * Contact Information: |
| * info@netxen.com |
| * NetXen, |
| * 3965 Freedom Circle, Fourth floor, |
| * Santa Clara, CA 95054 |
| * |
| * |
| * Source file for NIC routines to access the Phantom hardware |
| * |
| */ |
| |
| #include "netxen_nic.h" |
| #include "netxen_nic_hw.h" |
| #include "netxen_nic_phan_reg.h" |
| |
| |
| #include <net/ip.h> |
| |
| #define MASK(n) ((1ULL<<(n))-1) |
| #define MN_WIN(addr) (((addr & 0x1fc0000) >> 1) | ((addr >> 25) & 0x3ff)) |
| #define OCM_WIN(addr) (((addr & 0x1ff0000) >> 1) | ((addr >> 25) & 0x3ff)) |
| #define MS_WIN(addr) (addr & 0x0ffc0000) |
| |
| #define GET_MEM_OFFS_2M(addr) (addr & MASK(18)) |
| |
| #define CRB_BLK(off) ((off >> 20) & 0x3f) |
| #define CRB_SUBBLK(off) ((off >> 16) & 0xf) |
| #define CRB_WINDOW_2M (0x130060) |
| #define CRB_HI(off) ((crb_hub_agt[CRB_BLK(off)] << 20) | ((off) & 0xf0000)) |
| #define CRB_INDIRECT_2M (0x1e0000UL) |
| |
| #define CRB_WIN_LOCK_TIMEOUT 100000000 |
| static crb_128M_2M_block_map_t crb_128M_2M_map[64] = { |
| {{{0, 0, 0, 0} } }, /* 0: PCI */ |
| {{{1, 0x0100000, 0x0102000, 0x120000}, /* 1: PCIE */ |
| {1, 0x0110000, 0x0120000, 0x130000}, |
| {1, 0x0120000, 0x0122000, 0x124000}, |
| {1, 0x0130000, 0x0132000, 0x126000}, |
| {1, 0x0140000, 0x0142000, 0x128000}, |
| {1, 0x0150000, 0x0152000, 0x12a000}, |
| {1, 0x0160000, 0x0170000, 0x110000}, |
| {1, 0x0170000, 0x0172000, 0x12e000}, |
| {0, 0x0000000, 0x0000000, 0x000000}, |
| {0, 0x0000000, 0x0000000, 0x000000}, |
| {0, 0x0000000, 0x0000000, 0x000000}, |
| {0, 0x0000000, 0x0000000, 0x000000}, |
| {0, 0x0000000, 0x0000000, 0x000000}, |
| {0, 0x0000000, 0x0000000, 0x000000}, |
| {1, 0x01e0000, 0x01e0800, 0x122000}, |
| {0, 0x0000000, 0x0000000, 0x000000} } }, |
| {{{1, 0x0200000, 0x0210000, 0x180000} } },/* 2: MN */ |
| {{{0, 0, 0, 0} } }, /* 3: */ |
| {{{1, 0x0400000, 0x0401000, 0x169000} } },/* 4: P2NR1 */ |
| {{{1, 0x0500000, 0x0510000, 0x140000} } },/* 5: SRE */ |
| {{{1, 0x0600000, 0x0610000, 0x1c0000} } },/* 6: NIU */ |
| {{{1, 0x0700000, 0x0704000, 0x1b8000} } },/* 7: QM */ |
| {{{1, 0x0800000, 0x0802000, 0x170000}, /* 8: SQM0 */ |
| {0, 0x0000000, 0x0000000, 0x000000}, |
| {0, 0x0000000, 0x0000000, 0x000000}, |
| {0, 0x0000000, 0x0000000, 0x000000}, |
| {0, 0x0000000, 0x0000000, 0x000000}, |
| {0, 0x0000000, 0x0000000, 0x000000}, |
| {0, 0x0000000, 0x0000000, 0x000000}, |
| {0, 0x0000000, 0x0000000, 0x000000}, |
| {0, 0x0000000, 0x0000000, 0x000000}, |
| {0, 0x0000000, 0x0000000, 0x000000}, |
| {0, 0x0000000, 0x0000000, 0x000000}, |
| {0, 0x0000000, 0x0000000, 0x000000}, |
| {0, 0x0000000, 0x0000000, 0x000000}, |
| {0, 0x0000000, 0x0000000, 0x000000}, |
| {0, 0x0000000, 0x0000000, 0x000000}, |
| {1, 0x08f0000, 0x08f2000, 0x172000} } }, |
| {{{1, 0x0900000, 0x0902000, 0x174000}, /* 9: SQM1*/ |
| {0, 0x0000000, 0x0000000, 0x000000}, |
| {0, 0x0000000, 0x0000000, 0x000000}, |
| {0, 0x0000000, 0x0000000, 0x000000}, |
| {0, 0x0000000, 0x0000000, 0x000000}, |
| {0, 0x0000000, 0x0000000, 0x000000}, |
| {0, 0x0000000, 0x0000000, 0x000000}, |
| {0, 0x0000000, 0x0000000, 0x000000}, |
| {0, 0x0000000, 0x0000000, 0x000000}, |
| {0, 0x0000000, 0x0000000, 0x000000}, |
| {0, 0x0000000, 0x0000000, 0x000000}, |
| {0, 0x0000000, 0x0000000, 0x000000}, |
| {0, 0x0000000, 0x0000000, 0x000000}, |
| {0, 0x0000000, 0x0000000, 0x000000}, |
| {0, 0x0000000, 0x0000000, 0x000000}, |
| {1, 0x09f0000, 0x09f2000, 0x176000} } }, |
| {{{0, 0x0a00000, 0x0a02000, 0x178000}, /* 10: SQM2*/ |
| {0, 0x0000000, 0x0000000, 0x000000}, |
| {0, 0x0000000, 0x0000000, 0x000000}, |
| {0, 0x0000000, 0x0000000, 0x000000}, |
| {0, 0x0000000, 0x0000000, 0x000000}, |
| {0, 0x0000000, 0x0000000, 0x000000}, |
| {0, 0x0000000, 0x0000000, 0x000000}, |
| {0, 0x0000000, 0x0000000, 0x000000}, |
| {0, 0x0000000, 0x0000000, 0x000000}, |
| {0, 0x0000000, 0x0000000, 0x000000}, |
| {0, 0x0000000, 0x0000000, 0x000000}, |
| {0, 0x0000000, 0x0000000, 0x000000}, |
| {0, 0x0000000, 0x0000000, 0x000000}, |
| {0, 0x0000000, 0x0000000, 0x000000}, |
| {0, 0x0000000, 0x0000000, 0x000000}, |
| {1, 0x0af0000, 0x0af2000, 0x17a000} } }, |
| {{{0, 0x0b00000, 0x0b02000, 0x17c000}, /* 11: SQM3*/ |
| {0, 0x0000000, 0x0000000, 0x000000}, |
| {0, 0x0000000, 0x0000000, 0x000000}, |
| {0, 0x0000000, 0x0000000, 0x000000}, |
| {0, 0x0000000, 0x0000000, 0x000000}, |
| {0, 0x0000000, 0x0000000, 0x000000}, |
| {0, 0x0000000, 0x0000000, 0x000000}, |
| {0, 0x0000000, 0x0000000, 0x000000}, |
| {0, 0x0000000, 0x0000000, 0x000000}, |
| {0, 0x0000000, 0x0000000, 0x000000}, |
| {0, 0x0000000, 0x0000000, 0x000000}, |
| {0, 0x0000000, 0x0000000, 0x000000}, |
| {0, 0x0000000, 0x0000000, 0x000000}, |
| {0, 0x0000000, 0x0000000, 0x000000}, |
| {0, 0x0000000, 0x0000000, 0x000000}, |
| {1, 0x0bf0000, 0x0bf2000, 0x17e000} } }, |
| {{{1, 0x0c00000, 0x0c04000, 0x1d4000} } },/* 12: I2Q */ |
| {{{1, 0x0d00000, 0x0d04000, 0x1a4000} } },/* 13: TMR */ |
| {{{1, 0x0e00000, 0x0e04000, 0x1a0000} } },/* 14: ROMUSB */ |
| {{{1, 0x0f00000, 0x0f01000, 0x164000} } },/* 15: PEG4 */ |
| {{{0, 0x1000000, 0x1004000, 0x1a8000} } },/* 16: XDMA */ |
| {{{1, 0x1100000, 0x1101000, 0x160000} } },/* 17: PEG0 */ |
| {{{1, 0x1200000, 0x1201000, 0x161000} } },/* 18: PEG1 */ |
| {{{1, 0x1300000, 0x1301000, 0x162000} } },/* 19: PEG2 */ |
| {{{1, 0x1400000, 0x1401000, 0x163000} } },/* 20: PEG3 */ |
| {{{1, 0x1500000, 0x1501000, 0x165000} } },/* 21: P2ND */ |
| {{{1, 0x1600000, 0x1601000, 0x166000} } },/* 22: P2NI */ |
| {{{0, 0, 0, 0} } }, /* 23: */ |
| {{{0, 0, 0, 0} } }, /* 24: */ |
| {{{0, 0, 0, 0} } }, /* 25: */ |
| {{{0, 0, 0, 0} } }, /* 26: */ |
| {{{0, 0, 0, 0} } }, /* 27: */ |
| {{{0, 0, 0, 0} } }, /* 28: */ |
| {{{1, 0x1d00000, 0x1d10000, 0x190000} } },/* 29: MS */ |
| {{{1, 0x1e00000, 0x1e01000, 0x16a000} } },/* 30: P2NR2 */ |
| {{{1, 0x1f00000, 0x1f10000, 0x150000} } },/* 31: EPG */ |
| {{{0} } }, /* 32: PCI */ |
| {{{1, 0x2100000, 0x2102000, 0x120000}, /* 33: PCIE */ |
| {1, 0x2110000, 0x2120000, 0x130000}, |
| {1, 0x2120000, 0x2122000, 0x124000}, |
| {1, 0x2130000, 0x2132000, 0x126000}, |
| {1, 0x2140000, 0x2142000, 0x128000}, |
| {1, 0x2150000, 0x2152000, 0x12a000}, |
| {1, 0x2160000, 0x2170000, 0x110000}, |
| {1, 0x2170000, 0x2172000, 0x12e000}, |
| {0, 0x0000000, 0x0000000, 0x000000}, |
| {0, 0x0000000, 0x0000000, 0x000000}, |
| {0, 0x0000000, 0x0000000, 0x000000}, |
| {0, 0x0000000, 0x0000000, 0x000000}, |
| {0, 0x0000000, 0x0000000, 0x000000}, |
| {0, 0x0000000, 0x0000000, 0x000000}, |
| {0, 0x0000000, 0x0000000, 0x000000}, |
| {0, 0x0000000, 0x0000000, 0x000000} } }, |
| {{{1, 0x2200000, 0x2204000, 0x1b0000} } },/* 34: CAM */ |
| {{{0} } }, /* 35: */ |
| {{{0} } }, /* 36: */ |
| {{{0} } }, /* 37: */ |
| {{{0} } }, /* 38: */ |
| {{{0} } }, /* 39: */ |
| {{{1, 0x2800000, 0x2804000, 0x1a4000} } },/* 40: TMR */ |
| {{{1, 0x2900000, 0x2901000, 0x16b000} } },/* 41: P2NR3 */ |
| {{{1, 0x2a00000, 0x2a00400, 0x1ac400} } },/* 42: RPMX1 */ |
| {{{1, 0x2b00000, 0x2b00400, 0x1ac800} } },/* 43: RPMX2 */ |
| {{{1, 0x2c00000, 0x2c00400, 0x1acc00} } },/* 44: RPMX3 */ |
| {{{1, 0x2d00000, 0x2d00400, 0x1ad000} } },/* 45: RPMX4 */ |
| {{{1, 0x2e00000, 0x2e00400, 0x1ad400} } },/* 46: RPMX5 */ |
| {{{1, 0x2f00000, 0x2f00400, 0x1ad800} } },/* 47: RPMX6 */ |
| {{{1, 0x3000000, 0x3000400, 0x1adc00} } },/* 48: RPMX7 */ |
| {{{0, 0x3100000, 0x3104000, 0x1a8000} } },/* 49: XDMA */ |
| {{{1, 0x3200000, 0x3204000, 0x1d4000} } },/* 50: I2Q */ |
| {{{1, 0x3300000, 0x3304000, 0x1a0000} } },/* 51: ROMUSB */ |
| {{{0} } }, /* 52: */ |
| {{{1, 0x3500000, 0x3500400, 0x1ac000} } },/* 53: RPMX0 */ |
| {{{1, 0x3600000, 0x3600400, 0x1ae000} } },/* 54: RPMX8 */ |
| {{{1, 0x3700000, 0x3700400, 0x1ae400} } },/* 55: RPMX9 */ |
| {{{1, 0x3800000, 0x3804000, 0x1d0000} } },/* 56: OCM0 */ |
| {{{1, 0x3900000, 0x3904000, 0x1b4000} } },/* 57: CRYPTO */ |
| {{{1, 0x3a00000, 0x3a04000, 0x1d8000} } },/* 58: SMB */ |
| {{{0} } }, /* 59: I2C0 */ |
| {{{0} } }, /* 60: I2C1 */ |
| {{{1, 0x3d00000, 0x3d04000, 0x1d8000} } },/* 61: LPC */ |
| {{{1, 0x3e00000, 0x3e01000, 0x167000} } },/* 62: P2NC */ |
| {{{1, 0x3f00000, 0x3f01000, 0x168000} } } /* 63: P2NR0 */ |
| }; |
| |
| /* |
| * top 12 bits of crb internal address (hub, agent) |
| */ |
| static unsigned crb_hub_agt[64] = |
| { |
| 0, |
| NETXEN_HW_CRB_HUB_AGT_ADR_PS, |
| NETXEN_HW_CRB_HUB_AGT_ADR_MN, |
| NETXEN_HW_CRB_HUB_AGT_ADR_MS, |
| 0, |
| NETXEN_HW_CRB_HUB_AGT_ADR_SRE, |
| NETXEN_HW_CRB_HUB_AGT_ADR_NIU, |
| NETXEN_HW_CRB_HUB_AGT_ADR_QMN, |
| NETXEN_HW_CRB_HUB_AGT_ADR_SQN0, |
| NETXEN_HW_CRB_HUB_AGT_ADR_SQN1, |
| NETXEN_HW_CRB_HUB_AGT_ADR_SQN2, |
| NETXEN_HW_CRB_HUB_AGT_ADR_SQN3, |
| NETXEN_HW_CRB_HUB_AGT_ADR_I2Q, |
| NETXEN_HW_CRB_HUB_AGT_ADR_TIMR, |
| NETXEN_HW_CRB_HUB_AGT_ADR_ROMUSB, |
| NETXEN_HW_CRB_HUB_AGT_ADR_PGN4, |
| NETXEN_HW_CRB_HUB_AGT_ADR_XDMA, |
| NETXEN_HW_CRB_HUB_AGT_ADR_PGN0, |
| NETXEN_HW_CRB_HUB_AGT_ADR_PGN1, |
| NETXEN_HW_CRB_HUB_AGT_ADR_PGN2, |
| NETXEN_HW_CRB_HUB_AGT_ADR_PGN3, |
| NETXEN_HW_CRB_HUB_AGT_ADR_PGND, |
| NETXEN_HW_CRB_HUB_AGT_ADR_PGNI, |
| NETXEN_HW_CRB_HUB_AGT_ADR_PGS0, |
| NETXEN_HW_CRB_HUB_AGT_ADR_PGS1, |
| NETXEN_HW_CRB_HUB_AGT_ADR_PGS2, |
| NETXEN_HW_CRB_HUB_AGT_ADR_PGS3, |
| 0, |
| NETXEN_HW_CRB_HUB_AGT_ADR_PGSI, |
| NETXEN_HW_CRB_HUB_AGT_ADR_SN, |
| 0, |
| NETXEN_HW_CRB_HUB_AGT_ADR_EG, |
| 0, |
| NETXEN_HW_CRB_HUB_AGT_ADR_PS, |
| NETXEN_HW_CRB_HUB_AGT_ADR_CAM, |
| 0, |
| 0, |
| 0, |
| 0, |
| 0, |
| NETXEN_HW_CRB_HUB_AGT_ADR_TIMR, |
| 0, |
| NETXEN_HW_CRB_HUB_AGT_ADR_RPMX1, |
| NETXEN_HW_CRB_HUB_AGT_ADR_RPMX2, |
| NETXEN_HW_CRB_HUB_AGT_ADR_RPMX3, |
| NETXEN_HW_CRB_HUB_AGT_ADR_RPMX4, |
| NETXEN_HW_CRB_HUB_AGT_ADR_RPMX5, |
| NETXEN_HW_CRB_HUB_AGT_ADR_RPMX6, |
| NETXEN_HW_CRB_HUB_AGT_ADR_RPMX7, |
| NETXEN_HW_CRB_HUB_AGT_ADR_XDMA, |
| NETXEN_HW_CRB_HUB_AGT_ADR_I2Q, |
| NETXEN_HW_CRB_HUB_AGT_ADR_ROMUSB, |
| 0, |
| NETXEN_HW_CRB_HUB_AGT_ADR_RPMX0, |
| NETXEN_HW_CRB_HUB_AGT_ADR_RPMX8, |
| NETXEN_HW_CRB_HUB_AGT_ADR_RPMX9, |
| NETXEN_HW_CRB_HUB_AGT_ADR_OCM0, |
| 0, |
| NETXEN_HW_CRB_HUB_AGT_ADR_SMB, |
| NETXEN_HW_CRB_HUB_AGT_ADR_I2C0, |
| NETXEN_HW_CRB_HUB_AGT_ADR_I2C1, |
| 0, |
| NETXEN_HW_CRB_HUB_AGT_ADR_PGNC, |
| 0, |
| }; |
| |
| /* PCI Windowing for DDR regions. */ |
| |
| #define ADDR_IN_RANGE(addr, low, high) \ |
| (((addr) <= (high)) && ((addr) >= (low))) |
| |
| #define NETXEN_WINDOW_ONE 0x2000000 /*CRB Window: bit 25 of CRB address */ |
| |
| #define NETXEN_NIC_ZERO_PAUSE_ADDR 0ULL |
| #define NETXEN_NIC_UNIT_PAUSE_ADDR 0x200ULL |
| #define NETXEN_NIC_EPG_PAUSE_ADDR1 0x2200010000c28001ULL |
| #define NETXEN_NIC_EPG_PAUSE_ADDR2 0x0100088866554433ULL |
| |
| #define NETXEN_NIC_WINDOW_MARGIN 0x100000 |
| |
| int netxen_nic_set_mac(struct net_device *netdev, void *p) |
| { |
| struct netxen_adapter *adapter = netdev_priv(netdev); |
| struct sockaddr *addr = p; |
| |
| if (netif_running(netdev)) |
| return -EBUSY; |
| |
| if (!is_valid_ether_addr(addr->sa_data)) |
| return -EADDRNOTAVAIL; |
| |
| memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); |
| |
| /* For P3, MAC addr is not set in NIU */ |
| if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) |
| if (adapter->macaddr_set) |
| adapter->macaddr_set(adapter, addr->sa_data); |
| |
| return 0; |
| } |
| |
| #define NETXEN_UNICAST_ADDR(port, index) \ |
| (NETXEN_UNICAST_ADDR_BASE+(port*32)+(index*8)) |
| #define NETXEN_MCAST_ADDR(port, index) \ |
| (NETXEN_MULTICAST_ADDR_BASE+(port*0x80)+(index*8)) |
| #define MAC_HI(addr) \ |
| ((addr[2] << 16) | (addr[1] << 8) | (addr[0])) |
| #define MAC_LO(addr) \ |
| ((addr[5] << 16) | (addr[4] << 8) | (addr[3])) |
| |
| static int |
| netxen_nic_enable_mcast_filter(struct netxen_adapter *adapter) |
| { |
| u32 val = 0; |
| u16 port = adapter->physical_port; |
| u8 *addr = adapter->netdev->dev_addr; |
| |
| if (adapter->mc_enabled) |
| return 0; |
| |
| adapter->hw_read_wx(adapter, NETXEN_MAC_ADDR_CNTL_REG, &val, 4); |
| val |= (1UL << (28+port)); |
| adapter->hw_write_wx(adapter, NETXEN_MAC_ADDR_CNTL_REG, &val, 4); |
| |
| /* add broadcast addr to filter */ |
| val = 0xffffff; |
| netxen_crb_writelit_adapter(adapter, NETXEN_UNICAST_ADDR(port, 0), val); |
| netxen_crb_writelit_adapter(adapter, |
| NETXEN_UNICAST_ADDR(port, 0)+4, val); |
| |
| /* add station addr to filter */ |
| val = MAC_HI(addr); |
| netxen_crb_writelit_adapter(adapter, NETXEN_UNICAST_ADDR(port, 1), val); |
| val = MAC_LO(addr); |
| netxen_crb_writelit_adapter(adapter, |
| NETXEN_UNICAST_ADDR(port, 1)+4, val); |
| |
| adapter->mc_enabled = 1; |
| return 0; |
| } |
| |
| static int |
| netxen_nic_disable_mcast_filter(struct netxen_adapter *adapter) |
| { |
| u32 val = 0; |
| u16 port = adapter->physical_port; |
| u8 *addr = adapter->netdev->dev_addr; |
| |
| if (!adapter->mc_enabled) |
| return 0; |
| |
| adapter->hw_read_wx(adapter, NETXEN_MAC_ADDR_CNTL_REG, &val, 4); |
| val &= ~(1UL << (28+port)); |
| adapter->hw_write_wx(adapter, NETXEN_MAC_ADDR_CNTL_REG, &val, 4); |
| |
| val = MAC_HI(addr); |
| netxen_crb_writelit_adapter(adapter, NETXEN_UNICAST_ADDR(port, 0), val); |
| val = MAC_LO(addr); |
| netxen_crb_writelit_adapter(adapter, |
| NETXEN_UNICAST_ADDR(port, 0)+4, val); |
| |
| netxen_crb_writelit_adapter(adapter, NETXEN_UNICAST_ADDR(port, 1), 0); |
| netxen_crb_writelit_adapter(adapter, NETXEN_UNICAST_ADDR(port, 1)+4, 0); |
| |
| adapter->mc_enabled = 0; |
| return 0; |
| } |
| |
| static int |
| netxen_nic_set_mcast_addr(struct netxen_adapter *adapter, |
| int index, u8 *addr) |
| { |
| u32 hi = 0, lo = 0; |
| u16 port = adapter->physical_port; |
| |
| lo = MAC_LO(addr); |
| hi = MAC_HI(addr); |
| |
| netxen_crb_writelit_adapter(adapter, |
| NETXEN_MCAST_ADDR(port, index), hi); |
| netxen_crb_writelit_adapter(adapter, |
| NETXEN_MCAST_ADDR(port, index)+4, lo); |
| |
| return 0; |
| } |
| |
| void netxen_p2_nic_set_multi(struct net_device *netdev) |
| { |
| struct netxen_adapter *adapter = netdev_priv(netdev); |
| struct dev_mc_list *mc_ptr; |
| u8 null_addr[6]; |
| int index = 0; |
| |
| memset(null_addr, 0, 6); |
| |
| if (netdev->flags & IFF_PROMISC) { |
| |
| adapter->set_promisc(adapter, |
| NETXEN_NIU_PROMISC_MODE); |
| |
| /* Full promiscuous mode */ |
| netxen_nic_disable_mcast_filter(adapter); |
| |
| return; |
| } |
| |
| if (netdev->mc_count == 0) { |
| adapter->set_promisc(adapter, |
| NETXEN_NIU_NON_PROMISC_MODE); |
| netxen_nic_disable_mcast_filter(adapter); |
| return; |
| } |
| |
| adapter->set_promisc(adapter, NETXEN_NIU_ALLMULTI_MODE); |
| if (netdev->flags & IFF_ALLMULTI || |
| netdev->mc_count > adapter->max_mc_count) { |
| netxen_nic_disable_mcast_filter(adapter); |
| return; |
| } |
| |
| netxen_nic_enable_mcast_filter(adapter); |
| |
| for (mc_ptr = netdev->mc_list; mc_ptr; mc_ptr = mc_ptr->next, index++) |
| netxen_nic_set_mcast_addr(adapter, index, mc_ptr->dmi_addr); |
| |
| if (index != netdev->mc_count) |
| printk(KERN_WARNING "%s: %s multicast address count mismatch\n", |
| netxen_nic_driver_name, netdev->name); |
| |
| /* Clear out remaining addresses */ |
| for (; index < adapter->max_mc_count; index++) |
| netxen_nic_set_mcast_addr(adapter, index, null_addr); |
| } |
| |
| static int nx_p3_nic_add_mac(struct netxen_adapter *adapter, |
| u8 *addr, nx_mac_list_t **add_list, nx_mac_list_t **del_list) |
| { |
| nx_mac_list_t *cur, *prev; |
| |
| /* if in del_list, move it to adapter->mac_list */ |
| for (cur = *del_list, prev = NULL; cur;) { |
| if (memcmp(addr, cur->mac_addr, ETH_ALEN) == 0) { |
| if (prev == NULL) |
| *del_list = cur->next; |
| else |
| prev->next = cur->next; |
| cur->next = adapter->mac_list; |
| adapter->mac_list = cur; |
| return 0; |
| } |
| prev = cur; |
| cur = cur->next; |
| } |
| |
| /* make sure to add each mac address only once */ |
| for (cur = adapter->mac_list; cur; cur = cur->next) { |
| if (memcmp(addr, cur->mac_addr, ETH_ALEN) == 0) |
| return 0; |
| } |
| /* not in del_list, create new entry and add to add_list */ |
| cur = kmalloc(sizeof(*cur), in_atomic()? GFP_ATOMIC : GFP_KERNEL); |
| if (cur == NULL) { |
| printk(KERN_ERR "%s: cannot allocate memory. MAC filtering may" |
| "not work properly from now.\n", __func__); |
| return -1; |
| } |
| |
| memcpy(cur->mac_addr, addr, ETH_ALEN); |
| cur->next = *add_list; |
| *add_list = cur; |
| return 0; |
| } |
| |
| static int |
| netxen_send_cmd_descs(struct netxen_adapter *adapter, |
| struct cmd_desc_type0 *cmd_desc_arr, int nr_elements) |
| { |
| uint32_t i, producer; |
| struct netxen_cmd_buffer *pbuf; |
| struct cmd_desc_type0 *cmd_desc; |
| |
| if (nr_elements > MAX_PENDING_DESC_BLOCK_SIZE || nr_elements == 0) { |
| printk(KERN_WARNING "%s: Too many command descriptors in a " |
| "request\n", __func__); |
| return -EINVAL; |
| } |
| |
| i = 0; |
| |
| producer = adapter->cmd_producer; |
| do { |
| cmd_desc = &cmd_desc_arr[i]; |
| |
| pbuf = &adapter->cmd_buf_arr[producer]; |
| pbuf->mss = 0; |
| pbuf->total_length = 0; |
| pbuf->skb = NULL; |
| pbuf->cmd = 0; |
| pbuf->frag_count = 0; |
| pbuf->port = 0; |
| |
| /* adapter->ahw.cmd_desc_head[producer] = *cmd_desc; */ |
| memcpy(&adapter->ahw.cmd_desc_head[producer], |
| &cmd_desc_arr[i], sizeof(struct cmd_desc_type0)); |
| |
| producer = get_next_index(producer, |
| adapter->max_tx_desc_count); |
| i++; |
| |
| } while (i != nr_elements); |
| |
| adapter->cmd_producer = producer; |
| |
| /* write producer index to start the xmit */ |
| |
| netxen_nic_update_cmd_producer(adapter, adapter->cmd_producer); |
| |
| return 0; |
| } |
| |
| static int nx_p3_sre_macaddr_change(struct net_device *dev, |
| u8 *addr, unsigned op) |
| { |
| struct netxen_adapter *adapter = (struct netxen_adapter *)dev->priv; |
| nx_nic_req_t req; |
| nx_mac_req_t mac_req; |
| int rv; |
| |
| memset(&req, 0, sizeof(nx_nic_req_t)); |
| req.qhdr |= (NX_NIC_REQUEST << 23); |
| req.req_hdr |= NX_MAC_EVENT; |
| req.req_hdr |= ((u64)adapter->portnum << 16); |
| mac_req.op = op; |
| memcpy(&mac_req.mac_addr, addr, 6); |
| req.words[0] = cpu_to_le64(*(u64 *)&mac_req); |
| |
| rv = netxen_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); |
| if (rv != 0) { |
| printk(KERN_ERR "ERROR. Could not send mac update\n"); |
| return rv; |
| } |
| |
| return 0; |
| } |
| |
| void netxen_p3_nic_set_multi(struct net_device *netdev) |
| { |
| struct netxen_adapter *adapter = netdev_priv(netdev); |
| nx_mac_list_t *cur, *next, *del_list, *add_list = NULL; |
| struct dev_mc_list *mc_ptr; |
| u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; |
| u32 mode = VPORT_MISS_MODE_DROP; |
| |
| del_list = adapter->mac_list; |
| adapter->mac_list = NULL; |
| |
| nx_p3_nic_add_mac(adapter, netdev->dev_addr, &add_list, &del_list); |
| nx_p3_nic_add_mac(adapter, bcast_addr, &add_list, &del_list); |
| |
| if (netdev->flags & IFF_PROMISC) { |
| mode = VPORT_MISS_MODE_ACCEPT_ALL; |
| goto send_fw_cmd; |
| } |
| |
| if ((netdev->flags & IFF_ALLMULTI) || |
| (netdev->mc_count > adapter->max_mc_count)) { |
| mode = VPORT_MISS_MODE_ACCEPT_MULTI; |
| goto send_fw_cmd; |
| } |
| |
| if (netdev->mc_count > 0) { |
| for (mc_ptr = netdev->mc_list; mc_ptr; |
| mc_ptr = mc_ptr->next) { |
| nx_p3_nic_add_mac(adapter, mc_ptr->dmi_addr, |
| &add_list, &del_list); |
| } |
| } |
| |
| send_fw_cmd: |
| adapter->set_promisc(adapter, mode); |
| for (cur = del_list; cur;) { |
| nx_p3_sre_macaddr_change(netdev, cur->mac_addr, NETXEN_MAC_DEL); |
| next = cur->next; |
| kfree(cur); |
| cur = next; |
| } |
| for (cur = add_list; cur;) { |
| nx_p3_sre_macaddr_change(netdev, cur->mac_addr, NETXEN_MAC_ADD); |
| next = cur->next; |
| cur->next = adapter->mac_list; |
| adapter->mac_list = cur; |
| cur = next; |
| } |
| } |
| |
| int netxen_p3_nic_set_promisc(struct netxen_adapter *adapter, u32 mode) |
| { |
| nx_nic_req_t req; |
| |
| memset(&req, 0, sizeof(nx_nic_req_t)); |
| |
| req.qhdr |= (NX_HOST_REQUEST << 23); |
| req.req_hdr |= NX_NIC_H2C_OPCODE_PROXY_SET_VPORT_MISS_MODE; |
| req.req_hdr |= ((u64)adapter->portnum << 16); |
| req.words[0] = cpu_to_le64(mode); |
| |
| return netxen_send_cmd_descs(adapter, |
| (struct cmd_desc_type0 *)&req, 1); |
| } |
| |
| #define NETXEN_CONFIG_INTR_COALESCE 3 |
| |
| /* |
| * Send the interrupt coalescing parameter set by ethtool to the card. |
| */ |
| int netxen_config_intr_coalesce(struct netxen_adapter *adapter) |
| { |
| nx_nic_req_t req; |
| int rv; |
| |
| memset(&req, 0, sizeof(nx_nic_req_t)); |
| |
| req.qhdr |= (NX_NIC_REQUEST << 23); |
| req.req_hdr |= NETXEN_CONFIG_INTR_COALESCE; |
| req.req_hdr |= ((u64)adapter->portnum << 16); |
| |
| memcpy(&req.words[0], &adapter->coal, sizeof(adapter->coal)); |
| |
| rv = netxen_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); |
| if (rv != 0) { |
| printk(KERN_ERR "ERROR. Could not send " |
| "interrupt coalescing parameters\n"); |
| } |
| |
| return rv; |
| } |
| |
| /* |
| * netxen_nic_change_mtu - Change the Maximum Transfer Unit |
| * @returns 0 on success, negative on failure |
| */ |
| |
| #define MTU_FUDGE_FACTOR 100 |
| |
| int netxen_nic_change_mtu(struct net_device *netdev, int mtu) |
| { |
| struct netxen_adapter *adapter = netdev_priv(netdev); |
| int max_mtu; |
| int rc = 0; |
| |
| if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) |
| max_mtu = P3_MAX_MTU; |
| else |
| max_mtu = P2_MAX_MTU; |
| |
| if (mtu > max_mtu) { |
| printk(KERN_ERR "%s: mtu > %d bytes unsupported\n", |
| netdev->name, max_mtu); |
| return -EINVAL; |
| } |
| |
| if (adapter->set_mtu) |
| rc = adapter->set_mtu(adapter, mtu); |
| |
| if (!rc) |
| netdev->mtu = mtu; |
| |
| return rc; |
| } |
| |
| int netxen_is_flash_supported(struct netxen_adapter *adapter) |
| { |
| const int locs[] = { 0, 0x4, 0x100, 0x4000, 0x4128 }; |
| int addr, val01, val02, i, j; |
| |
| /* if the flash size less than 4Mb, make huge war cry and die */ |
| for (j = 1; j < 4; j++) { |
| addr = j * NETXEN_NIC_WINDOW_MARGIN; |
| for (i = 0; i < ARRAY_SIZE(locs); i++) { |
| if (netxen_rom_fast_read(adapter, locs[i], &val01) == 0 |
| && netxen_rom_fast_read(adapter, (addr + locs[i]), |
| &val02) == 0) { |
| if (val01 == val02) |
| return -1; |
| } else |
| return -1; |
| } |
| } |
| |
| return 0; |
| } |
| |
| static int netxen_get_flash_block(struct netxen_adapter *adapter, int base, |
| int size, __le32 * buf) |
| { |
| int i, addr; |
| __le32 *ptr32; |
| u32 v; |
| |
| addr = base; |
| ptr32 = buf; |
| for (i = 0; i < size / sizeof(u32); i++) { |
| if (netxen_rom_fast_read(adapter, addr, &v) == -1) |
| return -1; |
| *ptr32 = cpu_to_le32(v); |
| ptr32++; |
| addr += sizeof(u32); |
| } |
| if ((char *)buf + size > (char *)ptr32) { |
| __le32 local; |
| if (netxen_rom_fast_read(adapter, addr, &v) == -1) |
| return -1; |
| local = cpu_to_le32(v); |
| memcpy(ptr32, &local, (char *)buf + size - (char *)ptr32); |
| } |
| |
| return 0; |
| } |
| |
| int netxen_get_flash_mac_addr(struct netxen_adapter *adapter, __le64 *mac) |
| { |
| __le32 *pmac = (__le32 *) mac; |
| u32 offset; |
| |
| offset = NETXEN_USER_START + |
| offsetof(struct netxen_new_user_info, mac_addr) + |
| adapter->portnum * sizeof(u64); |
| |
| if (netxen_get_flash_block(adapter, offset, sizeof(u64), pmac) == -1) |
| return -1; |
| |
| if (*mac == cpu_to_le64(~0ULL)) { |
| |
| offset = NETXEN_USER_START_OLD + |
| offsetof(struct netxen_user_old_info, mac_addr) + |
| adapter->portnum * sizeof(u64); |
| |
| if (netxen_get_flash_block(adapter, |
| offset, sizeof(u64), pmac) == -1) |
| return -1; |
| |
| if (*mac == cpu_to_le64(~0ULL)) |
| return -1; |
| } |
| return 0; |
| } |
| |
| int netxen_p3_get_mac_addr(struct netxen_adapter *adapter, __le64 *mac) |
| { |
| uint32_t crbaddr, mac_hi, mac_lo; |
| int pci_func = adapter->ahw.pci_func; |
| |
| crbaddr = CRB_MAC_BLOCK_START + |
| (4 * ((pci_func/2) * 3)) + (4 * (pci_func & 1)); |
| |
| adapter->hw_read_wx(adapter, crbaddr, &mac_lo, 4); |
| adapter->hw_read_wx(adapter, crbaddr+4, &mac_hi, 4); |
| |
| mac_hi = cpu_to_le32(mac_hi); |
| mac_lo = cpu_to_le32(mac_lo); |
| |
| if (pci_func & 1) |
| *mac = ((mac_lo >> 16) | ((u64)mac_hi << 16)); |
| else |
| *mac = ((mac_lo) | ((u64)mac_hi << 32)); |
| |
| return 0; |
| } |
| |
| #define CRB_WIN_LOCK_TIMEOUT 100000000 |
| |
| static int crb_win_lock(struct netxen_adapter *adapter) |
| { |
| int done = 0, timeout = 0; |
| |
| while (!done) { |
| /* acquire semaphore3 from PCI HW block */ |
| adapter->hw_read_wx(adapter, |
| NETXEN_PCIE_REG(PCIE_SEM7_LOCK), &done, 4); |
| if (done == 1) |
| break; |
| if (timeout >= CRB_WIN_LOCK_TIMEOUT) |
| return -1; |
| timeout++; |
| udelay(1); |
| } |
| netxen_crb_writelit_adapter(adapter, |
| NETXEN_CRB_WIN_LOCK_ID, adapter->portnum); |
| return 0; |
| } |
| |
| static void crb_win_unlock(struct netxen_adapter *adapter) |
| { |
| int val; |
| |
| adapter->hw_read_wx(adapter, |
| NETXEN_PCIE_REG(PCIE_SEM7_UNLOCK), &val, 4); |
| } |
| |
| /* |
| * Changes the CRB window to the specified window. |
| */ |
| void |
| netxen_nic_pci_change_crbwindow_128M(struct netxen_adapter *adapter, u32 wndw) |
| { |
| void __iomem *offset; |
| u32 tmp; |
| int count = 0; |
| uint8_t func = adapter->ahw.pci_func; |
| |
| if (adapter->curr_window == wndw) |
| return; |
| /* |
| * Move the CRB window. |
| * We need to write to the "direct access" region of PCI |
| * to avoid a race condition where the window register has |
| * not been successfully written across CRB before the target |
| * register address is received by PCI. The direct region bypasses |
| * the CRB bus. |
| */ |
| offset = PCI_OFFSET_SECOND_RANGE(adapter, |
| NETXEN_PCIX_PH_REG(PCIE_CRB_WINDOW_REG(func))); |
| |
| if (wndw & 0x1) |
| wndw = NETXEN_WINDOW_ONE; |
| |
| writel(wndw, offset); |
| |
| /* MUST make sure window is set before we forge on... */ |
| while ((tmp = readl(offset)) != wndw) { |
| printk(KERN_WARNING "%s: %s WARNING: CRB window value not " |
| "registered properly: 0x%08x.\n", |
| netxen_nic_driver_name, __func__, tmp); |
| mdelay(1); |
| if (count >= 10) |
| break; |
| count++; |
| } |
| |
| if (wndw == NETXEN_WINDOW_ONE) |
| adapter->curr_window = 1; |
| else |
| adapter->curr_window = 0; |
| } |
| |
| /* |
| * Return -1 if off is not valid, |
| * 1 if window access is needed. 'off' is set to offset from |
| * CRB space in 128M pci map |
| * 0 if no window access is needed. 'off' is set to 2M addr |
| * In: 'off' is offset from base in 128M pci map |
| */ |
| static int |
| netxen_nic_pci_get_crb_addr_2M(struct netxen_adapter *adapter, |
| ulong *off, int len) |
| { |
| unsigned long end = *off + len; |
| crb_128M_2M_sub_block_map_t *m; |
| |
| |
| if (*off >= NETXEN_CRB_MAX) |
| return -1; |
| |
| if (*off >= NETXEN_PCI_CAMQM && (end <= NETXEN_PCI_CAMQM_2M_END)) { |
| *off = (*off - NETXEN_PCI_CAMQM) + NETXEN_PCI_CAMQM_2M_BASE + |
| (ulong)adapter->ahw.pci_base0; |
| return 0; |
| } |
| |
| if (*off < NETXEN_PCI_CRBSPACE) |
| return -1; |
| |
| *off -= NETXEN_PCI_CRBSPACE; |
| end = *off + len; |
| |
| /* |
| * Try direct map |
| */ |
| m = &crb_128M_2M_map[CRB_BLK(*off)].sub_block[CRB_SUBBLK(*off)]; |
| |
| if (m->valid && (m->start_128M <= *off) && (m->end_128M >= end)) { |
| *off = *off + m->start_2M - m->start_128M + |
| (ulong)adapter->ahw.pci_base0; |
| return 0; |
| } |
| |
| /* |
| * Not in direct map, use crb window |
| */ |
| return 1; |
| } |
| |
| /* |
| * In: 'off' is offset from CRB space in 128M pci map |
| * Out: 'off' is 2M pci map addr |
| * side effect: lock crb window |
| */ |
| static void |
| netxen_nic_pci_set_crbwindow_2M(struct netxen_adapter *adapter, ulong *off) |
| { |
| u32 win_read; |
| |
| adapter->crb_win = CRB_HI(*off); |
| writel(adapter->crb_win, (void *)(CRB_WINDOW_2M + |
| adapter->ahw.pci_base0)); |
| /* |
| * Read back value to make sure write has gone through before trying |
| * to use it. |
| */ |
| win_read = readl((void *)(CRB_WINDOW_2M + adapter->ahw.pci_base0)); |
| if (win_read != adapter->crb_win) { |
| printk(KERN_ERR "%s: Written crbwin (0x%x) != " |
| "Read crbwin (0x%x), off=0x%lx\n", |
| __func__, adapter->crb_win, win_read, *off); |
| } |
| *off = (*off & MASK(16)) + CRB_INDIRECT_2M + |
| (ulong)adapter->ahw.pci_base0; |
| } |
| |
| int netxen_load_firmware(struct netxen_adapter *adapter) |
| { |
| int i; |
| u32 data, size = 0; |
| u32 flashaddr = NETXEN_BOOTLD_START, memaddr = NETXEN_BOOTLD_START; |
| |
| size = (NETXEN_IMAGE_START - NETXEN_BOOTLD_START)/4; |
| |
| if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) |
| adapter->pci_write_normalize(adapter, |
| NETXEN_ROMUSB_GLB_CAS_RST, 1); |
| |
| for (i = 0; i < size; i++) { |
| if (netxen_rom_fast_read(adapter, flashaddr, (int *)&data) != 0) |
| return -EIO; |
| |
| adapter->pci_mem_write(adapter, memaddr, &data, 4); |
| flashaddr += 4; |
| memaddr += 4; |
| cond_resched(); |
| } |
| msleep(1); |
| |
| if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) |
| adapter->pci_write_normalize(adapter, |
| NETXEN_ROMUSB_GLB_SW_RESET, 0x80001d); |
| else { |
| adapter->pci_write_normalize(adapter, |
| NETXEN_ROMUSB_GLB_CHIP_CLK_CTRL, 0x3fff); |
| adapter->pci_write_normalize(adapter, |
| NETXEN_ROMUSB_GLB_CAS_RST, 0); |
| } |
| |
| return 0; |
| } |
| |
| int |
| netxen_nic_hw_write_wx_128M(struct netxen_adapter *adapter, |
| ulong off, void *data, int len) |
| { |
| void __iomem *addr; |
| |
| if (ADDR_IN_WINDOW1(off)) { |
| addr = NETXEN_CRB_NORMALIZE(adapter, off); |
| } else { /* Window 0 */ |
| addr = pci_base_offset(adapter, off); |
| netxen_nic_pci_change_crbwindow_128M(adapter, 0); |
| } |
| |
| DPRINTK(INFO, "writing to base %lx offset %llx addr %p" |
| " data %llx len %d\n", |
| pci_base(adapter, off), off, addr, |
| *(unsigned long long *)data, len); |
| if (!addr) { |
| netxen_nic_pci_change_crbwindow_128M(adapter, 1); |
| return 1; |
| } |
| |
| switch (len) { |
| case 1: |
| writeb(*(u8 *) data, addr); |
| break; |
| case 2: |
| writew(*(u16 *) data, addr); |
| break; |
| case 4: |
| writel(*(u32 *) data, addr); |
| break; |
| case 8: |
| writeq(*(u64 *) data, addr); |
| break; |
| default: |
| DPRINTK(INFO, |
| "writing data %lx to offset %llx, num words=%d\n", |
| *(unsigned long *)data, off, (len >> 3)); |
| |
| netxen_nic_hw_block_write64((u64 __iomem *) data, addr, |
| (len >> 3)); |
| break; |
| } |
| if (!ADDR_IN_WINDOW1(off)) |
| netxen_nic_pci_change_crbwindow_128M(adapter, 1); |
| |
| return 0; |
| } |
| |
| int |
| netxen_nic_hw_read_wx_128M(struct netxen_adapter *adapter, |
| ulong off, void *data, int len) |
| { |
| void __iomem *addr; |
| |
| if (ADDR_IN_WINDOW1(off)) { /* Window 1 */ |
| addr = NETXEN_CRB_NORMALIZE(adapter, off); |
| } else { /* Window 0 */ |
| addr = pci_base_offset(adapter, off); |
| netxen_nic_pci_change_crbwindow_128M(adapter, 0); |
| } |
| |
| DPRINTK(INFO, "reading from base %lx offset %llx addr %p\n", |
| pci_base(adapter, off), off, addr); |
| if (!addr) { |
| netxen_nic_pci_change_crbwindow_128M(adapter, 1); |
| return 1; |
| } |
| switch (len) { |
| case 1: |
| *(u8 *) data = readb(addr); |
| break; |
| case 2: |
| *(u16 *) data = readw(addr); |
| break; |
| case 4: |
| *(u32 *) data = readl(addr); |
| break; |
| case 8: |
| *(u64 *) data = readq(addr); |
| break; |
| default: |
| netxen_nic_hw_block_read64((u64 __iomem *) data, addr, |
| (len >> 3)); |
| break; |
| } |
| DPRINTK(INFO, "read %lx\n", *(unsigned long *)data); |
| |
| if (!ADDR_IN_WINDOW1(off)) |
| netxen_nic_pci_change_crbwindow_128M(adapter, 1); |
| |
| return 0; |
| } |
| |
| int |
| netxen_nic_hw_write_wx_2M(struct netxen_adapter *adapter, |
| ulong off, void *data, int len) |
| { |
| unsigned long flags = 0; |
| int rv; |
| |
| rv = netxen_nic_pci_get_crb_addr_2M(adapter, &off, len); |
| |
| if (rv == -1) { |
| printk(KERN_ERR "%s: invalid offset: 0x%016lx\n", |
| __func__, off); |
| dump_stack(); |
| return -1; |
| } |
| |
| if (rv == 1) { |
| write_lock_irqsave(&adapter->adapter_lock, flags); |
| crb_win_lock(adapter); |
| netxen_nic_pci_set_crbwindow_2M(adapter, &off); |
| } |
| |
| DPRINTK(1, INFO, "write data %lx to offset %llx, len=%d\n", |
| *(unsigned long *)data, off, len); |
| |
| switch (len) { |
| case 1: |
| writeb(*(uint8_t *)data, (void *)off); |
| break; |
| case 2: |
| writew(*(uint16_t *)data, (void *)off); |
| break; |
| case 4: |
| writel(*(uint32_t *)data, (void *)off); |
| break; |
| case 8: |
| writeq(*(uint64_t *)data, (void *)off); |
| break; |
| default: |
| DPRINTK(1, INFO, |
| "writing data %lx to offset %llx, num words=%d\n", |
| *(unsigned long *)data, off, (len>>3)); |
| break; |
| } |
| if (rv == 1) { |
| crb_win_unlock(adapter); |
| write_unlock_irqrestore(&adapter->adapter_lock, flags); |
| } |
| |
| return 0; |
| } |
| |
| int |
| netxen_nic_hw_read_wx_2M(struct netxen_adapter *adapter, |
| ulong off, void *data, int len) |
| { |
| unsigned long flags = 0; |
| int rv; |
| |
| rv = netxen_nic_pci_get_crb_addr_2M(adapter, &off, len); |
| |
| if (rv == -1) { |
| printk(KERN_ERR "%s: invalid offset: 0x%016lx\n", |
| __func__, off); |
| dump_stack(); |
| return -1; |
| } |
| |
| if (rv == 1) { |
| write_lock_irqsave(&adapter->adapter_lock, flags); |
| crb_win_lock(adapter); |
| netxen_nic_pci_set_crbwindow_2M(adapter, &off); |
| } |
| |
| DPRINTK(1, INFO, "read from offset %lx, len=%d\n", off, len); |
| |
| switch (len) { |
| case 1: |
| *(uint8_t *)data = readb((void *)off); |
| break; |
| case 2: |
| *(uint16_t *)data = readw((void *)off); |
| break; |
| case 4: |
| *(uint32_t *)data = readl((void *)off); |
| break; |
| case 8: |
| *(uint64_t *)data = readq((void *)off); |
| break; |
| default: |
| break; |
| } |
| |
| DPRINTK(1, INFO, "read %lx\n", *(unsigned long *)data); |
| |
| if (rv == 1) { |
| crb_win_unlock(adapter); |
| write_unlock_irqrestore(&adapter->adapter_lock, flags); |
| } |
| |
| return 0; |
| } |
| |
| void netxen_nic_reg_write(struct netxen_adapter *adapter, u64 off, u32 val) |
| { |
| adapter->hw_write_wx(adapter, off, &val, 4); |
| } |
| |
| int netxen_nic_reg_read(struct netxen_adapter *adapter, u64 off) |
| { |
| int val; |
| adapter->hw_read_wx(adapter, off, &val, 4); |
| return val; |
| } |
| |
| /* Change the window to 0, write and change back to window 1. */ |
| void netxen_nic_write_w0(struct netxen_adapter *adapter, u32 index, u32 value) |
| { |
| adapter->hw_write_wx(adapter, index, &value, 4); |
| } |
| |
| /* Change the window to 0, read and change back to window 1. */ |
| void netxen_nic_read_w0(struct netxen_adapter *adapter, u32 index, u32 *value) |
| { |
| adapter->hw_read_wx(adapter, index, value, 4); |
| } |
| |
| void netxen_nic_write_w1(struct netxen_adapter *adapter, u32 index, u32 value) |
| { |
| adapter->hw_write_wx(adapter, index, &value, 4); |
| } |
| |
| void netxen_nic_read_w1(struct netxen_adapter *adapter, u32 index, u32 *value) |
| { |
| adapter->hw_read_wx(adapter, index, value, 4); |
| } |
| |
| /* |
| * check memory access boundary. |
| * used by test agent. support ddr access only for now |
| */ |
| static unsigned long |
| netxen_nic_pci_mem_bound_check(struct netxen_adapter *adapter, |
| unsigned long long addr, int size) |
| { |
| if (!ADDR_IN_RANGE(addr, |
| NETXEN_ADDR_DDR_NET, NETXEN_ADDR_DDR_NET_MAX) || |
| !ADDR_IN_RANGE(addr+size-1, |
| NETXEN_ADDR_DDR_NET, NETXEN_ADDR_DDR_NET_MAX) || |
| ((size != 1) && (size != 2) && (size != 4) && (size != 8))) { |
| return 0; |
| } |
| |
| return 1; |
| } |
| |
| static int netxen_pci_set_window_warning_count; |
| |
| unsigned long |
| netxen_nic_pci_set_window_128M(struct netxen_adapter *adapter, |
| unsigned long long addr) |
| { |
| void __iomem *offset; |
| int window; |
| unsigned long long qdr_max; |
| uint8_t func = adapter->ahw.pci_func; |
| |
| if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) { |
| qdr_max = NETXEN_ADDR_QDR_NET_MAX_P2; |
| } else { |
| qdr_max = NETXEN_ADDR_QDR_NET_MAX_P3; |
| } |
| |
| if (ADDR_IN_RANGE(addr, NETXEN_ADDR_DDR_NET, NETXEN_ADDR_DDR_NET_MAX)) { |
| /* DDR network side */ |
| addr -= NETXEN_ADDR_DDR_NET; |
| window = (addr >> 25) & 0x3ff; |
| if (adapter->ahw.ddr_mn_window != window) { |
| adapter->ahw.ddr_mn_window = window; |
| offset = PCI_OFFSET_SECOND_RANGE(adapter, |
| NETXEN_PCIX_PH_REG(PCIE_MN_WINDOW_REG(func))); |
| writel(window, offset); |
| /* MUST make sure window is set before we forge on... */ |
| readl(offset); |
| } |
| addr -= (window * NETXEN_WINDOW_ONE); |
| addr += NETXEN_PCI_DDR_NET; |
| } else if (ADDR_IN_RANGE(addr, NETXEN_ADDR_OCM0, NETXEN_ADDR_OCM0_MAX)) { |
| addr -= NETXEN_ADDR_OCM0; |
| addr += NETXEN_PCI_OCM0; |
| } else if (ADDR_IN_RANGE(addr, NETXEN_ADDR_OCM1, NETXEN_ADDR_OCM1_MAX)) { |
| addr -= NETXEN_ADDR_OCM1; |
| addr += NETXEN_PCI_OCM1; |
| } else if (ADDR_IN_RANGE(addr, NETXEN_ADDR_QDR_NET, qdr_max)) { |
| /* QDR network side */ |
| addr -= NETXEN_ADDR_QDR_NET; |
| window = (addr >> 22) & 0x3f; |
| if (adapter->ahw.qdr_sn_window != window) { |
| adapter->ahw.qdr_sn_window = window; |
| offset = PCI_OFFSET_SECOND_RANGE(adapter, |
| NETXEN_PCIX_PH_REG(PCIE_SN_WINDOW_REG(func))); |
| writel((window << 22), offset); |
| /* MUST make sure window is set before we forge on... */ |
| readl(offset); |
| } |
| addr -= (window * 0x400000); |
| addr += NETXEN_PCI_QDR_NET; |
| } else { |
| /* |
| * peg gdb frequently accesses memory that doesn't exist, |
| * this limits the chit chat so debugging isn't slowed down. |
| */ |
| if ((netxen_pci_set_window_warning_count++ < 8) |
| || (netxen_pci_set_window_warning_count % 64 == 0)) |
| printk("%s: Warning:netxen_nic_pci_set_window()" |
| " Unknown address range!\n", |
| netxen_nic_driver_name); |
| addr = -1UL; |
| } |
| return addr; |
| } |
| |
| /* |
| * Note : only 32-bit writes! |
| */ |
| int netxen_nic_pci_write_immediate_128M(struct netxen_adapter *adapter, |
| u64 off, u32 data) |
| { |
| writel(data, (void __iomem *)(PCI_OFFSET_SECOND_RANGE(adapter, off))); |
| return 0; |
| } |
| |
| u32 netxen_nic_pci_read_immediate_128M(struct netxen_adapter *adapter, u64 off) |
| { |
| return readl((void __iomem *)(pci_base_offset(adapter, off))); |
| } |
| |
| void netxen_nic_pci_write_normalize_128M(struct netxen_adapter *adapter, |
| u64 off, u32 data) |
| { |
| writel(data, NETXEN_CRB_NORMALIZE(adapter, off)); |
| } |
| |
| u32 netxen_nic_pci_read_normalize_128M(struct netxen_adapter *adapter, u64 off) |
| { |
| return readl(NETXEN_CRB_NORMALIZE(adapter, off)); |
| } |
| |
| unsigned long |
| netxen_nic_pci_set_window_2M(struct netxen_adapter *adapter, |
| unsigned long long addr) |
| { |
| int window; |
| u32 win_read; |
| |
| if (ADDR_IN_RANGE(addr, NETXEN_ADDR_DDR_NET, NETXEN_ADDR_DDR_NET_MAX)) { |
| /* DDR network side */ |
| window = MN_WIN(addr); |
| adapter->ahw.ddr_mn_window = window; |
| adapter->hw_write_wx(adapter, |
| adapter->ahw.mn_win_crb | NETXEN_PCI_CRBSPACE, |
| &window, 4); |
| adapter->hw_read_wx(adapter, |
| adapter->ahw.mn_win_crb | NETXEN_PCI_CRBSPACE, |
| &win_read, 4); |
| if ((win_read << 17) != window) { |
| printk(KERN_INFO "Written MNwin (0x%x) != " |
| "Read MNwin (0x%x)\n", window, win_read); |
| } |
| addr = GET_MEM_OFFS_2M(addr) + NETXEN_PCI_DDR_NET; |
| } else if (ADDR_IN_RANGE(addr, |
| NETXEN_ADDR_OCM0, NETXEN_ADDR_OCM0_MAX)) { |
| if ((addr & 0x00ff800) == 0xff800) { |
| printk("%s: QM access not handled.\n", __func__); |
| addr = -1UL; |
| } |
| |
| window = OCM_WIN(addr); |
| adapter->ahw.ddr_mn_window = window; |
| adapter->hw_write_wx(adapter, |
| adapter->ahw.mn_win_crb | NETXEN_PCI_CRBSPACE, |
| &window, 4); |
| adapter->hw_read_wx(adapter, |
| adapter->ahw.mn_win_crb | NETXEN_PCI_CRBSPACE, |
| &win_read, 4); |
| if ((win_read >> 7) != window) { |
| printk(KERN_INFO "%s: Written OCMwin (0x%x) != " |
| "Read OCMwin (0x%x)\n", |
| __func__, window, win_read); |
| } |
| addr = GET_MEM_OFFS_2M(addr) + NETXEN_PCI_OCM0_2M; |
| |
| } else if (ADDR_IN_RANGE(addr, |
| NETXEN_ADDR_QDR_NET, NETXEN_ADDR_QDR_NET_MAX_P3)) { |
| /* QDR network side */ |
| window = MS_WIN(addr); |
| adapter->ahw.qdr_sn_window = window; |
| adapter->hw_write_wx(adapter, |
| adapter->ahw.ms_win_crb | NETXEN_PCI_CRBSPACE, |
| &window, 4); |
| adapter->hw_read_wx(adapter, |
| adapter->ahw.ms_win_crb | NETXEN_PCI_CRBSPACE, |
| &win_read, 4); |
| if (win_read != window) { |
| printk(KERN_INFO "%s: Written MSwin (0x%x) != " |
| "Read MSwin (0x%x)\n", |
| __func__, window, win_read); |
| } |
| addr = GET_MEM_OFFS_2M(addr) + NETXEN_PCI_QDR_NET; |
| |
| } else { |
| /* |
| * peg gdb frequently accesses memory that doesn't exist, |
| * this limits the chit chat so debugging isn't slowed down. |
| */ |
| if ((netxen_pci_set_window_warning_count++ < 8) |
| || (netxen_pci_set_window_warning_count%64 == 0)) { |
| printk("%s: Warning:%s Unknown address range!\n", |
| __func__, netxen_nic_driver_name); |
| } |
| addr = -1UL; |
| } |
| return addr; |
| } |
| |
| static int netxen_nic_pci_is_same_window(struct netxen_adapter *adapter, |
| unsigned long long addr) |
| { |
| int window; |
| unsigned long long qdr_max; |
| |
| if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) |
| qdr_max = NETXEN_ADDR_QDR_NET_MAX_P2; |
| else |
| qdr_max = NETXEN_ADDR_QDR_NET_MAX_P3; |
| |
| if (ADDR_IN_RANGE(addr, |
| NETXEN_ADDR_DDR_NET, NETXEN_ADDR_DDR_NET_MAX)) { |
| /* DDR network side */ |
| BUG(); /* MN access can not come here */ |
| } else if (ADDR_IN_RANGE(addr, |
| NETXEN_ADDR_OCM0, NETXEN_ADDR_OCM0_MAX)) { |
| return 1; |
| } else if (ADDR_IN_RANGE(addr, |
| NETXEN_ADDR_OCM1, NETXEN_ADDR_OCM1_MAX)) { |
| return 1; |
| } else if (ADDR_IN_RANGE(addr, NETXEN_ADDR_QDR_NET, qdr_max)) { |
| /* QDR network side */ |
| window = ((addr - NETXEN_ADDR_QDR_NET) >> 22) & 0x3f; |
| if (adapter->ahw.qdr_sn_window == window) |
| return 1; |
| } |
| |
| return 0; |
| } |
| |
| static int netxen_nic_pci_mem_read_direct(struct netxen_adapter *adapter, |
| u64 off, void *data, int size) |
| { |
| unsigned long flags; |
| void *addr; |
| int ret = 0; |
| u64 start; |
| uint8_t *mem_ptr = NULL; |
| unsigned long mem_base; |
| unsigned long mem_page; |
| |
| write_lock_irqsave(&adapter->adapter_lock, flags); |
| |
| /* |
| * If attempting to access unknown address or straddle hw windows, |
| * do not access. |
| */ |
| start = adapter->pci_set_window(adapter, off); |
| if ((start == -1UL) || |
| (netxen_nic_pci_is_same_window(adapter, off+size-1) == 0)) { |
| write_unlock_irqrestore(&adapter->adapter_lock, flags); |
| printk(KERN_ERR "%s out of bound pci memory access. " |
| "offset is 0x%llx\n", netxen_nic_driver_name, |
| (unsigned long long)off); |
| return -1; |
| } |
| |
| addr = (void *)(pci_base_offset(adapter, start)); |
| if (!addr) { |
| write_unlock_irqrestore(&adapter->adapter_lock, flags); |
| mem_base = pci_resource_start(adapter->pdev, 0); |
| mem_page = start & PAGE_MASK; |
| /* Map two pages whenever user tries to access addresses in two |
| consecutive pages. |
| */ |
| if (mem_page != ((start + size - 1) & PAGE_MASK)) |
| mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE * 2); |
| else |
| mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE); |
| if (mem_ptr == 0UL) { |
| *(uint8_t *)data = 0; |
| return -1; |
| } |
| addr = mem_ptr; |
| addr += start & (PAGE_SIZE - 1); |
| write_lock_irqsave(&adapter->adapter_lock, flags); |
| } |
| |
| switch (size) { |
| case 1: |
| *(uint8_t *)data = readb(addr); |
| break; |
| case 2: |
| *(uint16_t *)data = readw(addr); |
| break; |
| case 4: |
| *(uint32_t *)data = readl(addr); |
| break; |
| case 8: |
| *(uint64_t *)data = readq(addr); |
| break; |
| default: |
| ret = -1; |
| break; |
| } |
| write_unlock_irqrestore(&adapter->adapter_lock, flags); |
| DPRINTK(1, INFO, "read %llx\n", *(unsigned long long *)data); |
| |
| if (mem_ptr) |
| iounmap(mem_ptr); |
| return ret; |
| } |
| |
| static int |
| netxen_nic_pci_mem_write_direct(struct netxen_adapter *adapter, u64 off, |
| void *data, int size) |
| { |
| unsigned long flags; |
| void *addr; |
| int ret = 0; |
| u64 start; |
| uint8_t *mem_ptr = NULL; |
| unsigned long mem_base; |
| unsigned long mem_page; |
| |
| write_lock_irqsave(&adapter->adapter_lock, flags); |
| |
| /* |
| * If attempting to access unknown address or straddle hw windows, |
| * do not access. |
| */ |
| start = adapter->pci_set_window(adapter, off); |
| if ((start == -1UL) || |
| (netxen_nic_pci_is_same_window(adapter, off+size-1) == 0)) { |
| write_unlock_irqrestore(&adapter->adapter_lock, flags); |
| printk(KERN_ERR "%s out of bound pci memory access. " |
| "offset is 0x%llx\n", netxen_nic_driver_name, |
| (unsigned long long)off); |
| return -1; |
| } |
| |
| addr = (void *)(pci_base_offset(adapter, start)); |
| if (!addr) { |
| write_unlock_irqrestore(&adapter->adapter_lock, flags); |
| mem_base = pci_resource_start(adapter->pdev, 0); |
| mem_page = start & PAGE_MASK; |
| /* Map two pages whenever user tries to access addresses in two |
| * consecutive pages. |
| */ |
| if (mem_page != ((start + size - 1) & PAGE_MASK)) |
| mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE*2); |
| else |
| mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE); |
| if (mem_ptr == 0UL) |
| return -1; |
| addr = mem_ptr; |
| addr += start & (PAGE_SIZE - 1); |
| write_lock_irqsave(&adapter->adapter_lock, flags); |
| } |
| |
| switch (size) { |
| case 1: |
| writeb(*(uint8_t *)data, addr); |
| break; |
| case 2: |
| writew(*(uint16_t *)data, addr); |
| break; |
| case 4: |
| writel(*(uint32_t *)data, addr); |
| break; |
| case 8: |
| writeq(*(uint64_t *)data, addr); |
| break; |
| default: |
| ret = -1; |
| break; |
| } |
| write_unlock_irqrestore(&adapter->adapter_lock, flags); |
| DPRINTK(1, INFO, "writing data %llx to offset %llx\n", |
| *(unsigned long long *)data, start); |
| if (mem_ptr) |
| iounmap(mem_ptr); |
| return ret; |
| } |
| |
| #define MAX_CTL_CHECK 1000 |
| |
| int |
| netxen_nic_pci_mem_write_128M(struct netxen_adapter *adapter, |
| u64 off, void *data, int size) |
| { |
| unsigned long flags, mem_crb; |
| int i, j, ret = 0, loop, sz[2], off0; |
| uint32_t temp; |
| uint64_t off8, tmpw, word[2] = {0, 0}; |
| |
| /* |
| * If not MN, go check for MS or invalid. |
| */ |
| if (netxen_nic_pci_mem_bound_check(adapter, off, size) == 0) |
| return netxen_nic_pci_mem_write_direct(adapter, |
| off, data, size); |
| |
| off8 = off & 0xfffffff8; |
| off0 = off & 0x7; |
| sz[0] = (size < (8 - off0)) ? size : (8 - off0); |
| sz[1] = size - sz[0]; |
| loop = ((off0 + size - 1) >> 3) + 1; |
| mem_crb = (unsigned long)pci_base_offset(adapter, NETXEN_CRB_DDR_NET); |
| |
| if ((size != 8) || (off0 != 0)) { |
| for (i = 0; i < loop; i++) { |
| if (adapter->pci_mem_read(adapter, |
| off8 + (i << 3), &word[i], 8)) |
| return -1; |
| } |
| } |
| |
| switch (size) { |
| case 1: |
| tmpw = *((uint8_t *)data); |
| break; |
| case 2: |
| tmpw = *((uint16_t *)data); |
| break; |
| case 4: |
| tmpw = *((uint32_t *)data); |
| break; |
| case 8: |
| default: |
| tmpw = *((uint64_t *)data); |
| break; |
| } |
| word[0] &= ~((~(~0ULL << (sz[0] * 8))) << (off0 * 8)); |
| word[0] |= tmpw << (off0 * 8); |
| |
| if (loop == 2) { |
| word[1] &= ~(~0ULL << (sz[1] * 8)); |
| word[1] |= tmpw >> (sz[0] * 8); |
| } |
| |
| write_lock_irqsave(&adapter->adapter_lock, flags); |
| netxen_nic_pci_change_crbwindow_128M(adapter, 0); |
| |
| for (i = 0; i < loop; i++) { |
| writel((uint32_t)(off8 + (i << 3)), |
| (void *)(mem_crb+MIU_TEST_AGT_ADDR_LO)); |
| writel(0, |
| (void *)(mem_crb+MIU_TEST_AGT_ADDR_HI)); |
| writel(word[i] & 0xffffffff, |
| (void *)(mem_crb+MIU_TEST_AGT_WRDATA_LO)); |
| writel((word[i] >> 32) & 0xffffffff, |
| (void *)(mem_crb+MIU_TEST_AGT_WRDATA_HI)); |
| writel(MIU_TA_CTL_ENABLE|MIU_TA_CTL_WRITE, |
| (void *)(mem_crb+MIU_TEST_AGT_CTRL)); |
| writel(MIU_TA_CTL_START|MIU_TA_CTL_ENABLE|MIU_TA_CTL_WRITE, |
| (void *)(mem_crb+MIU_TEST_AGT_CTRL)); |
| |
| for (j = 0; j < MAX_CTL_CHECK; j++) { |
| temp = readl( |
| (void *)(mem_crb+MIU_TEST_AGT_CTRL)); |
| if ((temp & MIU_TA_CTL_BUSY) == 0) |
| break; |
| } |
| |
| if (j >= MAX_CTL_CHECK) { |
| printk("%s: %s Fail to write through agent\n", |
| __func__, netxen_nic_driver_name); |
| ret = -1; |
| break; |
| } |
| } |
| |
| netxen_nic_pci_change_crbwindow_128M(adapter, 1); |
| write_unlock_irqrestore(&adapter->adapter_lock, flags); |
| return ret; |
| } |
| |
| int |
| netxen_nic_pci_mem_read_128M(struct netxen_adapter *adapter, |
| u64 off, void *data, int size) |
| { |
| unsigned long flags, mem_crb; |
| int i, j = 0, k, start, end, loop, sz[2], off0[2]; |
| uint32_t temp; |
| uint64_t off8, val, word[2] = {0, 0}; |
| |
| |
| /* |
| * If not MN, go check for MS or invalid. |
| */ |
| if (netxen_nic_pci_mem_bound_check(adapter, off, size) == 0) |
| return netxen_nic_pci_mem_read_direct(adapter, off, data, size); |
| |
| off8 = off & 0xfffffff8; |
| off0[0] = off & 0x7; |
| off0[1] = 0; |
| sz[0] = (size < (8 - off0[0])) ? size : (8 - off0[0]); |
| sz[1] = size - sz[0]; |
| loop = ((off0[0] + size - 1) >> 3) + 1; |
| mem_crb = (unsigned long)pci_base_offset(adapter, NETXEN_CRB_DDR_NET); |
| |
| write_lock_irqsave(&adapter->adapter_lock, flags); |
| netxen_nic_pci_change_crbwindow_128M(adapter, 0); |
| |
| for (i = 0; i < loop; i++) { |
| writel((uint32_t)(off8 + (i << 3)), |
| (void *)(mem_crb+MIU_TEST_AGT_ADDR_LO)); |
| writel(0, |
| (void *)(mem_crb+MIU_TEST_AGT_ADDR_HI)); |
| writel(MIU_TA_CTL_ENABLE, |
| (void *)(mem_crb+MIU_TEST_AGT_CTRL)); |
| writel(MIU_TA_CTL_START|MIU_TA_CTL_ENABLE, |
| (void *)(mem_crb+MIU_TEST_AGT_CTRL)); |
| |
| for (j = 0; j < MAX_CTL_CHECK; j++) { |
| temp = readl( |
| (void *)(mem_crb+MIU_TEST_AGT_CTRL)); |
| if ((temp & MIU_TA_CTL_BUSY) == 0) |
| break; |
| } |
| |
| if (j >= MAX_CTL_CHECK) { |
| printk(KERN_ERR "%s: %s Fail to read through agent\n", |
| __func__, netxen_nic_driver_name); |
| break; |
| } |
| |
| start = off0[i] >> 2; |
| end = (off0[i] + sz[i] - 1) >> 2; |
| for (k = start; k <= end; k++) { |
| word[i] |= ((uint64_t) readl( |
| (void *)(mem_crb + |
| MIU_TEST_AGT_RDDATA(k))) << (32*k)); |
| } |
| } |
| |
| netxen_nic_pci_change_crbwindow_128M(adapter, 1); |
| write_unlock_irqrestore(&adapter->adapter_lock, flags); |
| |
| if (j >= MAX_CTL_CHECK) |
| return -1; |
| |
| if (sz[0] == 8) { |
| val = word[0]; |
| } else { |
| val = ((word[0] >> (off0[0] * 8)) & (~(~0ULL << (sz[0] * 8)))) | |
| ((word[1] & (~(~0ULL << (sz[1] * 8)))) << (sz[0] * 8)); |
| } |
| |
| switch (size) { |
| case 1: |
| *(uint8_t *)data = val; |
| break; |
| case 2: |
| *(uint16_t *)data = val; |
| break; |
| case 4: |
| *(uint32_t *)data = val; |
| break; |
| case 8: |
| *(uint64_t *)data = val; |
| break; |
| } |
| DPRINTK(1, INFO, "read %llx\n", *(unsigned long long *)data); |
| return 0; |
| } |
| |
| int |
| netxen_nic_pci_mem_write_2M(struct netxen_adapter *adapter, |
| u64 off, void *data, int size) |
| { |
| int i, j, ret = 0, loop, sz[2], off0; |
| uint32_t temp; |
| uint64_t off8, mem_crb, tmpw, word[2] = {0, 0}; |
| |
| /* |
| * If not MN, go check for MS or invalid. |
| */ |
| if (off >= NETXEN_ADDR_QDR_NET && off <= NETXEN_ADDR_QDR_NET_MAX_P3) |
| mem_crb = NETXEN_CRB_QDR_NET; |
| else { |
| mem_crb = NETXEN_CRB_DDR_NET; |
| if (netxen_nic_pci_mem_bound_check(adapter, off, size) == 0) |
| return netxen_nic_pci_mem_write_direct(adapter, |
| off, data, size); |
| } |
| |
| off8 = off & 0xfffffff8; |
| off0 = off & 0x7; |
| sz[0] = (size < (8 - off0)) ? size : (8 - off0); |
| sz[1] = size - sz[0]; |
| loop = ((off0 + size - 1) >> 3) + 1; |
| |
| if ((size != 8) || (off0 != 0)) { |
| for (i = 0; i < loop; i++) { |
| if (adapter->pci_mem_read(adapter, off8 + (i << 3), |
| &word[i], 8)) |
| return -1; |
| } |
| } |
| |
| switch (size) { |
| case 1: |
| tmpw = *((uint8_t *)data); |
| break; |
| case 2: |
| tmpw = *((uint16_t *)data); |
| break; |
| case 4: |
| tmpw = *((uint32_t *)data); |
| break; |
| case 8: |
| default: |
| tmpw = *((uint64_t *)data); |
| break; |
| } |
| |
| word[0] &= ~((~(~0ULL << (sz[0] * 8))) << (off0 * 8)); |
| word[0] |= tmpw << (off0 * 8); |
| |
| if (loop == 2) { |
| word[1] &= ~(~0ULL << (sz[1] * 8)); |
| word[1] |= tmpw >> (sz[0] * 8); |
| } |
| |
| /* |
| * don't lock here - write_wx gets the lock if each time |
| * write_lock_irqsave(&adapter->adapter_lock, flags); |
| * netxen_nic_pci_change_crbwindow_128M(adapter, 0); |
| */ |
| |
| for (i = 0; i < loop; i++) { |
| temp = off8 + (i << 3); |
| adapter->hw_write_wx(adapter, |
| mem_crb+MIU_TEST_AGT_ADDR_LO, &temp, 4); |
| temp = 0; |
| adapter->hw_write_wx(adapter, |
| mem_crb+MIU_TEST_AGT_ADDR_HI, &temp, 4); |
| temp = word[i] & 0xffffffff; |
| adapter->hw_write_wx(adapter, |
| mem_crb+MIU_TEST_AGT_WRDATA_LO, &temp, 4); |
| temp = (word[i] >> 32) & 0xffffffff; |
| adapter->hw_write_wx(adapter, |
| mem_crb+MIU_TEST_AGT_WRDATA_HI, &temp, 4); |
| temp = MIU_TA_CTL_ENABLE | MIU_TA_CTL_WRITE; |
| adapter->hw_write_wx(adapter, |
| mem_crb+MIU_TEST_AGT_CTRL, &temp, 4); |
| temp = MIU_TA_CTL_START | MIU_TA_CTL_ENABLE | MIU_TA_CTL_WRITE; |
| adapter->hw_write_wx(adapter, |
| mem_crb+MIU_TEST_AGT_CTRL, &temp, 4); |
| |
| for (j = 0; j < MAX_CTL_CHECK; j++) { |
| adapter->hw_read_wx(adapter, |
| mem_crb + MIU_TEST_AGT_CTRL, &temp, 4); |
| if ((temp & MIU_TA_CTL_BUSY) == 0) |
| break; |
| } |
| |
| if (j >= MAX_CTL_CHECK) { |
| printk(KERN_ERR "%s: Fail to write through agent\n", |
| netxen_nic_driver_name); |
| ret = -1; |
| break; |
| } |
| } |
| |
| /* |
| * netxen_nic_pci_change_crbwindow_128M(adapter, 1); |
| * write_unlock_irqrestore(&adapter->adapter_lock, flags); |
| */ |
| return ret; |
| } |
| |
| int |
| netxen_nic_pci_mem_read_2M(struct netxen_adapter *adapter, |
| u64 off, void *data, int size) |
| { |
| int i, j = 0, k, start, end, loop, sz[2], off0[2]; |
| uint32_t temp; |
| uint64_t off8, val, mem_crb, word[2] = {0, 0}; |
| |
| /* |
| * If not MN, go check for MS or invalid. |
| */ |
| |
| if (off >= NETXEN_ADDR_QDR_NET && off <= NETXEN_ADDR_QDR_NET_MAX_P3) |
| mem_crb = NETXEN_CRB_QDR_NET; |
| else { |
| mem_crb = NETXEN_CRB_DDR_NET; |
| if (netxen_nic_pci_mem_bound_check(adapter, off, size) == 0) |
| return netxen_nic_pci_mem_read_direct(adapter, |
| off, data, size); |
| } |
| |
| off8 = off & 0xfffffff8; |
| off0[0] = off & 0x7; |
| off0[1] = 0; |
| sz[0] = (size < (8 - off0[0])) ? size : (8 - off0[0]); |
| sz[1] = size - sz[0]; |
| loop = ((off0[0] + size - 1) >> 3) + 1; |
| |
| /* |
| * don't lock here - write_wx gets the lock if each time |
| * write_lock_irqsave(&adapter->adapter_lock, flags); |
| * netxen_nic_pci_change_crbwindow_128M(adapter, 0); |
| */ |
| |
| for (i = 0; i < loop; i++) { |
| temp = off8 + (i << 3); |
| adapter->hw_write_wx(adapter, |
| mem_crb + MIU_TEST_AGT_ADDR_LO, &temp, 4); |
| temp = 0; |
| adapter->hw_write_wx(adapter, |
| mem_crb + MIU_TEST_AGT_ADDR_HI, &temp, 4); |
| temp = MIU_TA_CTL_ENABLE; |
| adapter->hw_write_wx(adapter, |
| mem_crb + MIU_TEST_AGT_CTRL, &temp, 4); |
| temp = MIU_TA_CTL_START | MIU_TA_CTL_ENABLE; |
| adapter->hw_write_wx(adapter, |
| mem_crb + MIU_TEST_AGT_CTRL, &temp, 4); |
| |
| for (j = 0; j < MAX_CTL_CHECK; j++) { |
| adapter->hw_read_wx(adapter, |
| mem_crb + MIU_TEST_AGT_CTRL, &temp, 4); |
| if ((temp & MIU_TA_CTL_BUSY) == 0) |
| break; |
| } |
| |
| if (j >= MAX_CTL_CHECK) { |
| printk(KERN_ERR "%s: Fail to read through agent\n", |
| netxen_nic_driver_name); |
| break; |
| } |
| |
| start = off0[i] >> 2; |
| end = (off0[i] + sz[i] - 1) >> 2; |
| for (k = start; k <= end; k++) { |
| adapter->hw_read_wx(adapter, |
| mem_crb + MIU_TEST_AGT_RDDATA(k), &temp, 4); |
| word[i] |= ((uint64_t)temp << (32 * k)); |
| } |
| } |
| |
| /* |
| * netxen_nic_pci_change_crbwindow_128M(adapter, 1); |
| * write_unlock_irqrestore(&adapter->adapter_lock, flags); |
| */ |
| |
| if (j >= MAX_CTL_CHECK) |
| return -1; |
| |
| if (sz[0] == 8) { |
| val = word[0]; |
| } else { |
| val = ((word[0] >> (off0[0] * 8)) & (~(~0ULL << (sz[0] * 8)))) | |
| ((word[1] & (~(~0ULL << (sz[1] * 8)))) << (sz[0] * 8)); |
| } |
| |
| switch (size) { |
| case 1: |
| *(uint8_t *)data = val; |
| break; |
| case 2: |
| *(uint16_t *)data = val; |
| break; |
| case 4: |
| *(uint32_t *)data = val; |
| break; |
| case 8: |
| *(uint64_t *)data = val; |
| break; |
| } |
| DPRINTK(1, INFO, "read %llx\n", *(unsigned long long *)data); |
| return 0; |
| } |
| |
| /* |
| * Note : only 32-bit writes! |
| */ |
| int netxen_nic_pci_write_immediate_2M(struct netxen_adapter *adapter, |
| u64 off, u32 data) |
| { |
| adapter->hw_write_wx(adapter, off, &data, 4); |
| |
| return 0; |
| } |
| |
| u32 netxen_nic_pci_read_immediate_2M(struct netxen_adapter *adapter, u64 off) |
| { |
| u32 temp; |
| adapter->hw_read_wx(adapter, off, &temp, 4); |
| return temp; |
| } |
| |
| void netxen_nic_pci_write_normalize_2M(struct netxen_adapter *adapter, |
| u64 off, u32 data) |
| { |
| adapter->hw_write_wx(adapter, off, &data, 4); |
| } |
| |
| u32 netxen_nic_pci_read_normalize_2M(struct netxen_adapter *adapter, u64 off) |
| { |
| u32 temp; |
| adapter->hw_read_wx(adapter, off, &temp, 4); |
| return temp; |
| } |
| |
| #if 0 |
| int |
| netxen_nic_erase_pxe(struct netxen_adapter *adapter) |
| { |
| if (netxen_rom_fast_write(adapter, NETXEN_PXE_START, 0) == -1) { |
| printk(KERN_ERR "%s: erase pxe failed\n", |
| netxen_nic_driver_name); |
| return -1; |
| } |
| return 0; |
| } |
| #endif /* 0 */ |
| |
| int netxen_nic_get_board_info(struct netxen_adapter *adapter) |
| { |
| int rv = 0; |
| int addr = NETXEN_BRDCFG_START; |
| struct netxen_board_info *boardinfo; |
| int index; |
| u32 *ptr32; |
| |
| boardinfo = &adapter->ahw.boardcfg; |
| ptr32 = (u32 *) boardinfo; |
| |
| for (index = 0; index < sizeof(struct netxen_board_info) / sizeof(u32); |
| index++) { |
| if (netxen_rom_fast_read(adapter, addr, ptr32) == -1) { |
| return -EIO; |
| } |
| ptr32++; |
| addr += sizeof(u32); |
| } |
| if (boardinfo->magic != NETXEN_BDINFO_MAGIC) { |
| printk("%s: ERROR reading %s board config." |
| " Read %x, expected %x\n", netxen_nic_driver_name, |
| netxen_nic_driver_name, |
| boardinfo->magic, NETXEN_BDINFO_MAGIC); |
| rv = -1; |
| } |
| if (boardinfo->header_version != NETXEN_BDINFO_VERSION) { |
| printk("%s: Unknown board config version." |
| " Read %x, expected %x\n", netxen_nic_driver_name, |
| boardinfo->header_version, NETXEN_BDINFO_VERSION); |
| rv = -1; |
| } |
| |
| DPRINTK(INFO, "Discovered board type:0x%x ", boardinfo->board_type); |
| switch ((netxen_brdtype_t) boardinfo->board_type) { |
| case NETXEN_BRDTYPE_P2_SB35_4G: |
| adapter->ahw.board_type = NETXEN_NIC_GBE; |
| break; |
| case NETXEN_BRDTYPE_P2_SB31_10G: |
| case NETXEN_BRDTYPE_P2_SB31_10G_IMEZ: |
| case NETXEN_BRDTYPE_P2_SB31_10G_HMEZ: |
| case NETXEN_BRDTYPE_P2_SB31_10G_CX4: |
| case NETXEN_BRDTYPE_P3_HMEZ: |
| case NETXEN_BRDTYPE_P3_XG_LOM: |
| case NETXEN_BRDTYPE_P3_10G_CX4: |
| case NETXEN_BRDTYPE_P3_10G_CX4_LP: |
| case NETXEN_BRDTYPE_P3_IMEZ: |
| case NETXEN_BRDTYPE_P3_10G_SFP_PLUS: |
| case NETXEN_BRDTYPE_P3_10G_SFP_CT: |
| case NETXEN_BRDTYPE_P3_10G_SFP_QT: |
| case NETXEN_BRDTYPE_P3_10G_XFP: |
| case NETXEN_BRDTYPE_P3_10000_BASE_T: |
| |
| adapter->ahw.board_type = NETXEN_NIC_XGBE; |
| break; |
| case NETXEN_BRDTYPE_P1_BD: |
| case NETXEN_BRDTYPE_P1_SB: |
| case NETXEN_BRDTYPE_P1_SMAX: |
| case NETXEN_BRDTYPE_P1_SOCK: |
| case NETXEN_BRDTYPE_P3_REF_QG: |
| case NETXEN_BRDTYPE_P3_4_GB: |
| case NETXEN_BRDTYPE_P3_4_GB_MM: |
| |
| adapter->ahw.board_type = NETXEN_NIC_GBE; |
| break; |
| default: |
| printk("%s: Unknown(%x)\n", netxen_nic_driver_name, |
| boardinfo->board_type); |
| rv = -ENODEV; |
| break; |
| } |
| |
| return rv; |
| } |
| |
| /* NIU access sections */ |
| |
| int netxen_nic_set_mtu_gb(struct netxen_adapter *adapter, int new_mtu) |
| { |
| new_mtu += MTU_FUDGE_FACTOR; |
| netxen_nic_write_w0(adapter, |
| NETXEN_NIU_GB_MAX_FRAME_SIZE(adapter->physical_port), |
| new_mtu); |
| return 0; |
| } |
| |
| int netxen_nic_set_mtu_xgb(struct netxen_adapter *adapter, int new_mtu) |
| { |
| new_mtu += MTU_FUDGE_FACTOR; |
| if (adapter->physical_port == 0) |
| netxen_nic_write_w0(adapter, NETXEN_NIU_XGE_MAX_FRAME_SIZE, |
| new_mtu); |
| else |
| netxen_nic_write_w0(adapter, NETXEN_NIU_XG1_MAX_FRAME_SIZE, |
| new_mtu); |
| return 0; |
| } |
| |
| void |
| netxen_crb_writelit_adapter(struct netxen_adapter *adapter, |
| unsigned long off, int data) |
| { |
| adapter->hw_write_wx(adapter, off, &data, 4); |
| } |
| |
| void netxen_nic_set_link_parameters(struct netxen_adapter *adapter) |
| { |
| __u32 status; |
| __u32 autoneg; |
| __u32 mode; |
| __u32 port_mode; |
| |
| netxen_nic_read_w0(adapter, NETXEN_NIU_MODE, &mode); |
| if (netxen_get_niu_enable_ge(mode)) { /* Gb 10/100/1000 Mbps mode */ |
| |
| adapter->hw_read_wx(adapter, |
| NETXEN_PORT_MODE_ADDR, &port_mode, 4); |
| if (port_mode == NETXEN_PORT_MODE_802_3_AP) { |
| adapter->link_speed = SPEED_1000; |
| adapter->link_duplex = DUPLEX_FULL; |
| adapter->link_autoneg = AUTONEG_DISABLE; |
| return; |
| } |
| |
| if (adapter->phy_read |
| && adapter->phy_read(adapter, |
| NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS, |
| &status) == 0) { |
| if (netxen_get_phy_link(status)) { |
| switch (netxen_get_phy_speed(status)) { |
| case 0: |
| adapter->link_speed = SPEED_10; |
| break; |
| case 1: |
| adapter->link_speed = SPEED_100; |
| break; |
| case 2: |
| adapter->link_speed = SPEED_1000; |
| break; |
| default: |
| adapter->link_speed = -1; |
| break; |
| } |
| switch (netxen_get_phy_duplex(status)) { |
| case 0: |
| adapter->link_duplex = DUPLEX_HALF; |
| break; |
| case 1: |
| adapter->link_duplex = DUPLEX_FULL; |
| break; |
| default: |
| adapter->link_duplex = -1; |
| break; |
| } |
| if (adapter->phy_read |
| && adapter->phy_read(adapter, |
| NETXEN_NIU_GB_MII_MGMT_ADDR_AUTONEG, |
| &autoneg) != 0) |
| adapter->link_autoneg = autoneg; |
| } else |
| goto link_down; |
| } else { |
| link_down: |
| adapter->link_speed = -1; |
| adapter->link_duplex = -1; |
| } |
| } |
| } |
| |
| void netxen_nic_flash_print(struct netxen_adapter *adapter) |
| { |
| u32 fw_major = 0; |
| u32 fw_minor = 0; |
| u32 fw_build = 0; |
| char brd_name[NETXEN_MAX_SHORT_NAME]; |
| char serial_num[32]; |
| int i, addr; |
| __le32 *ptr32; |
| |
| struct netxen_board_info *board_info = &(adapter->ahw.boardcfg); |
| |
| adapter->driver_mismatch = 0; |
| |
| ptr32 = (u32 *)&serial_num; |
| addr = NETXEN_USER_START + |
| offsetof(struct netxen_new_user_info, serial_num); |
| for (i = 0; i < 8; i++) { |
| if (netxen_rom_fast_read(adapter, addr, ptr32) == -1) { |
| printk("%s: ERROR reading %s board userarea.\n", |
| netxen_nic_driver_name, |
| netxen_nic_driver_name); |
| adapter->driver_mismatch = 1; |
| return; |
| } |
| ptr32++; |
| addr += sizeof(u32); |
| } |
| |
| adapter->hw_read_wx(adapter, NETXEN_FW_VERSION_MAJOR, &fw_major, 4); |
| adapter->hw_read_wx(adapter, NETXEN_FW_VERSION_MINOR, &fw_minor, 4); |
| adapter->hw_read_wx(adapter, NETXEN_FW_VERSION_SUB, &fw_build, 4); |
| |
| adapter->fw_major = fw_major; |
| |
| if (adapter->portnum == 0) { |
| get_brd_name_by_type(board_info->board_type, brd_name); |
| |
| printk(KERN_INFO "NetXen %s Board S/N %s Chip rev 0x%x\n", |
| brd_name, serial_num, adapter->ahw.revision_id); |
| printk(KERN_INFO "NetXen Firmware version %d.%d.%d\n", |
| fw_major, fw_minor, fw_build); |
| } |
| |
| if (NETXEN_VERSION_CODE(fw_major, fw_minor, fw_build) < |
| NETXEN_VERSION_CODE(3, 4, 216)) { |
| adapter->driver_mismatch = 1; |
| printk(KERN_ERR "%s: firmware version %d.%d.%d unsupported\n", |
| netxen_nic_driver_name, |
| fw_major, fw_minor, fw_build); |
| return; |
| } |
| } |
| |