| /* |
| * FEC instantatiation file for NETTA |
| */ |
| |
| #include <linux/kernel.h> |
| #include <linux/types.h> |
| #include <linux/string.h> |
| #include <linux/ptrace.h> |
| #include <linux/errno.h> |
| #include <linux/ioport.h> |
| #include <linux/slab.h> |
| #include <linux/interrupt.h> |
| #include <linux/pci.h> |
| #include <linux/init.h> |
| #include <linux/delay.h> |
| #include <linux/netdevice.h> |
| #include <linux/etherdevice.h> |
| #include <linux/skbuff.h> |
| #include <linux/spinlock.h> |
| #include <linux/mii.h> |
| #include <linux/ethtool.h> |
| #include <linux/bitops.h> |
| |
| #include <asm/8xx_immap.h> |
| #include <asm/pgtable.h> |
| #include <asm/mpc8xx.h> |
| #include <asm/irq.h> |
| #include <asm/uaccess.h> |
| #include <asm/cpm1.h> |
| |
| #include "fec_8xx.h" |
| |
| /*************************************************/ |
| |
| static struct fec_platform_info fec1_info = { |
| .fec_no = 0, |
| .use_mdio = 1, |
| .phy_addr = 8, |
| .fec_irq = SIU_LEVEL1, |
| .phy_irq = CPM_IRQ_OFFSET + CPMVEC_PIO_PC6, |
| .rx_ring = 128, |
| .tx_ring = 16, |
| .rx_copybreak = 240, |
| .use_napi = 1, |
| .napi_weight = 17, |
| }; |
| |
| static struct fec_platform_info fec2_info = { |
| .fec_no = 1, |
| .use_mdio = 1, |
| .phy_addr = 2, |
| .fec_irq = SIU_LEVEL3, |
| .phy_irq = CPM_IRQ_OFFSET + CPMVEC_PIO_PC7, |
| .rx_ring = 128, |
| .tx_ring = 16, |
| .rx_copybreak = 240, |
| .use_napi = 1, |
| .napi_weight = 17, |
| }; |
| |
| static struct net_device *fec1_dev; |
| static struct net_device *fec2_dev; |
| |
| /* XXX custom u-boot & Linux startup needed */ |
| extern const char *__fw_getenv(const char *var); |
| |
| /* access ports */ |
| #define setbits32(_addr, _v) __fec_out32(&(_addr), __fec_in32(&(_addr)) | (_v)) |
| #define clrbits32(_addr, _v) __fec_out32(&(_addr), __fec_in32(&(_addr)) & ~(_v)) |
| |
| #define setbits16(_addr, _v) __fec_out16(&(_addr), __fec_in16(&(_addr)) | (_v)) |
| #define clrbits16(_addr, _v) __fec_out16(&(_addr), __fec_in16(&(_addr)) & ~(_v)) |
| |
| int fec_8xx_platform_init(void) |
| { |
| immap_t *immap = (immap_t *)IMAP_ADDR; |
| bd_t *bd = (bd_t *) __res; |
| const char *s; |
| char *e; |
| int i; |
| |
| /* use MDC for MII */ |
| setbits16(immap->im_ioport.iop_pdpar, 0x0080); |
| clrbits16(immap->im_ioport.iop_pddir, 0x0080); |
| |
| /* configure FEC1 pins */ |
| setbits16(immap->im_ioport.iop_papar, 0xe810); |
| setbits16(immap->im_ioport.iop_padir, 0x0810); |
| clrbits16(immap->im_ioport.iop_padir, 0xe000); |
| |
| setbits32(immap->im_cpm.cp_pbpar, 0x00000001); |
| clrbits32(immap->im_cpm.cp_pbdir, 0x00000001); |
| |
| setbits32(immap->im_cpm.cp_cptr, 0x00000100); |
| clrbits32(immap->im_cpm.cp_cptr, 0x00000050); |
| |
| clrbits16(immap->im_ioport.iop_pcpar, 0x0200); |
| clrbits16(immap->im_ioport.iop_pcdir, 0x0200); |
| clrbits16(immap->im_ioport.iop_pcso, 0x0200); |
| setbits16(immap->im_ioport.iop_pcint, 0x0200); |
| |
| /* configure FEC2 pins */ |
| setbits32(immap->im_cpm.cp_pepar, 0x00039620); |
| setbits32(immap->im_cpm.cp_pedir, 0x00039620); |
| setbits32(immap->im_cpm.cp_peso, 0x00031000); |
| clrbits32(immap->im_cpm.cp_peso, 0x00008620); |
| |
| setbits32(immap->im_cpm.cp_cptr, 0x00000080); |
| clrbits32(immap->im_cpm.cp_cptr, 0x00000028); |
| |
| clrbits16(immap->im_ioport.iop_pcpar, 0x0200); |
| clrbits16(immap->im_ioport.iop_pcdir, 0x0200); |
| clrbits16(immap->im_ioport.iop_pcso, 0x0200); |
| setbits16(immap->im_ioport.iop_pcint, 0x0200); |
| |
| /* fill up */ |
| fec1_info.sys_clk = bd->bi_intfreq; |
| fec2_info.sys_clk = bd->bi_intfreq; |
| |
| s = __fw_getenv("ethaddr"); |
| if (s != NULL) { |
| for (i = 0; i < 6; i++) { |
| fec1_info.macaddr[i] = simple_strtoul(s, &e, 16); |
| if (*e) |
| s = e + 1; |
| } |
| } |
| |
| s = __fw_getenv("eth1addr"); |
| if (s != NULL) { |
| for (i = 0; i < 6; i++) { |
| fec2_info.macaddr[i] = simple_strtoul(s, &e, 16); |
| if (*e) |
| s = e + 1; |
| } |
| } |
| |
| fec_8xx_init_one(&fec1_info, &fec1_dev); |
| fec_8xx_init_one(&fec2_info, &fec2_dev); |
| |
| return fec1_dev != NULL && fec2_dev != NULL ? 0 : -1; |
| } |
| |
| void fec_8xx_platform_cleanup(void) |
| { |
| if (fec2_dev != NULL) |
| fec_8xx_cleanup_one(fec2_dev); |
| |
| if (fec1_dev != NULL) |
| fec_8xx_cleanup_one(fec1_dev); |
| } |