/* $Id$ * tg3.c: Broadcom Tigon3 ethernet driver. * * Copyright (C) 2001, 2002 David S. Miller (davem@redhat.com) * Copyright (C) 2001, 2002 Jeff Garzik (jgarzik@mandrakesoft.com) * Copyright (C) 2003 Eric Biederman (ebiederman@lnxi.com) [etherboot port] */ /* 11-13-2003 timlegge Fix Issue with NetGear GA302T * 11-18-2003 ebiederm Generalize NetGear Fix to what the code was supposed to be. * 01-06-2005 Alf (Frederic Olivie) Add Dell bcm 5751 (0x1677) support */ #include "etherboot.h" #include "nic.h" #include "pci.h" #include "timer.h" #include "string.h" #include "tg3.h" #define SUPPORT_COPPER_PHY 1 #define SUPPORT_FIBER_PHY 1 #define SUPPORT_LINK_REPORT 1 #define SUPPORT_PARTNO_STR 1 #define SUPPORT_PHY_STR 1 struct tg3 tg3; /* Dummy defines for error handling */ #define EBUSY 1 #define ENODEV 2 #define EINVAL 3 #define ENOMEM 4 /* 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_RING_SIZE 512 #define TG3_DEF_RX_RING_PENDING 20 /* RX_RING_PENDING seems to be o.k. at 20 and 200 */ #define TG3_RX_RCB_RING_SIZE 1024 /* (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705 ? \ 512 : 1024) */ #define TG3_TX_RING_SIZE 512 #define TG3_DEF_TX_RING_PENDING (TG3_TX_RING_SIZE - 1) #define TG3_RX_RING_BYTES (sizeof(struct tg3_rx_buffer_desc) * TG3_RX_RING_SIZE) #define TG3_RX_RCB_RING_BYTES (sizeof(struct tg3_rx_buffer_desc) * TG3_RX_RCB_RING_SIZE) #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 PREV_TX(N) (((N) - 1) & (TG3_TX_RING_SIZE - 1)) #define RX_PKT_BUF_SZ (1536 + 2 + 64) static struct bss { struct tg3_rx_buffer_desc rx_std[TG3_RX_RING_SIZE]; struct tg3_rx_buffer_desc rx_rcb[TG3_RX_RCB_RING_SIZE]; struct tg3_tx_buffer_desc tx_ring[TG3_TX_RING_SIZE]; struct tg3_hw_status hw_status; struct tg3_hw_stats hw_stats; unsigned char rx_bufs[TG3_DEF_RX_RING_PENDING][RX_PKT_BUF_SZ]; } tg3_bss; /** * pci_save_state - save the PCI configuration space of a device before suspending * @dev: - PCI device that we're dealing with * @buffer: - buffer to hold config space context * * @buffer must be large enough to hold the entire PCI 2.2 config space * (>= 64 bytes). */ static int pci_save_state(struct pci_device *dev, uint32_t *buffer) { int i; for (i = 0; i < 16; i++) pci_read_config_dword(dev, i * 4,&buffer[i]); return 0; } /** * pci_restore_state - Restore the saved state of a PCI device * @dev: - PCI device that we're dealing with * @buffer: - saved PCI config space * */ static int pci_restore_state(struct pci_device *dev, uint32_t *buffer) { int i; for (i = 0; i < 16; i++) pci_write_config_dword(dev,i * 4, buffer[i]); return 0; } static void tg3_write_indirect_reg32(uint32_t off, uint32_t val) { pci_write_config_dword(tg3.pdev, TG3PCI_REG_BASE_ADDR, off); pci_write_config_dword(tg3.pdev, TG3PCI_REG_DATA, val); } #define tw32(reg,val) tg3_write_indirect_reg32((reg),(val)) #define tw32_mailbox(reg, val) writel(((val) & 0xffffffff), tg3.regs + (reg)) #define tw16(reg,val) writew(((val) & 0xffff), tg3.regs + (reg)) #define tw8(reg,val) writeb(((val) & 0xff), tg3.regs + (reg)) #define tr32(reg) readl(tg3.regs + (reg)) #define tr16(reg) readw(tg3.regs + (reg)) #define tr8(reg) readb(tg3.regs + (reg)) static void tw32_carefully(uint32_t reg, uint32_t val) { tw32(reg, val); tr32(reg); udelay(100); } static void tw32_mailbox2(uint32_t reg, uint32_t val) { tw32_mailbox(reg, val); tr32(reg); } static void tg3_write_mem(uint32_t off, uint32_t val) { pci_write_config_dword(tg3.pdev, TG3PCI_MEM_WIN_BASE_ADDR, off); pci_write_config_dword(tg3.pdev, TG3PCI_MEM_WIN_DATA, val); /* Always leave this as zero. */ pci_write_config_dword(tg3.pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0); } static void tg3_read_mem(uint32_t off, uint32_t *val) { pci_write_config_dword(tg3.pdev, TG3PCI_MEM_WIN_BASE_ADDR, off); pci_read_config_dword(tg3.pdev, TG3PCI_MEM_WIN_DATA, val); /* Always leave this as zero. */ pci_write_config_dword(tg3.pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0); } static void tg3_disable_ints(struct tg3 *tp) { tw32(TG3PCI_MISC_HOST_CTRL, (tp->misc_host_ctrl | MISC_HOST_CTRL_MASK_PCI_INT)); tw32_mailbox2(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0x00000001); } static void tg3_switch_clocks(struct tg3 *tp) { uint32_t orig_clock_ctrl, clock_ctrl; 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 ((GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5705) && (!((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) && (tp->tg3_flags & TG3_FLAG_ENABLE_ASF))) && (orig_clock_ctrl & CLOCK_CTRL_44MHZ_CORE)!=0) { tw32_carefully(TG3PCI_CLOCK_CTRL, clock_ctrl | (CLOCK_CTRL_44MHZ_CORE | CLOCK_CTRL_ALTCLK)); tw32_carefully(TG3PCI_CLOCK_CTRL, clock_ctrl | (CLOCK_CTRL_ALTCLK)); } tw32_carefully(TG3PCI_CLOCK_CTRL, clock_ctrl); } #define PHY_BUSY_LOOPS 5000 static int tg3_readphy(struct tg3 *tp, int reg, uint32_t *val) { uint32_t frame_val; int loops, ret; tw32_carefully(MAC_MI_MODE, tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL); *val = 0xffffffff; frame_val = ((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_carefully(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; } } ret = -EBUSY; if (loops > 0) { *val = frame_val & MI_COM_DATA_MASK; ret = 0; } tw32_carefully(MAC_MI_MODE, tp->mi_mode); return ret; } static int tg3_writephy(struct tg3 *tp, int reg, uint32_t val) { uint32_t frame_val; int loops, ret; tw32_carefully(MAC_MI_MODE, tp->mi_mode & ~MAC_MI_MODE_AUTO_POLL); frame_val = ((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_carefully(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; } } ret = -EBUSY; if (loops > 0) ret = 0; tw32_carefully(MAC_MI_MODE, tp->mi_mode); return ret; } static int tg3_writedsp(struct tg3 *tp, uint16_t addr, uint16_t val) { int err; err = tg3_writephy(tp, MII_TG3_DSP_ADDRESS, addr); err |= tg3_writephy(tp, MII_TG3_DSP_RW_PORT, val); return err; } static void tg3_phy_set_wirespeed(struct tg3 *tp) { uint32_t val; if (tp->tg3_flags2 & TG3_FLG2_NO_ETH_WIRE_SPEED) return; tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x7007); tg3_readphy(tp, MII_TG3_AUX_CTRL, &val); tg3_writephy(tp, MII_TG3_AUX_CTRL, (val | (1 << 15) | (1 << 4))); } static int tg3_bmcr_reset(struct tg3 *tp) { uint32_t 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_wait_macro_done(struct tg3 *tp) { int limit = 100; while (limit--) { uint32_t tmp32; tg3_readphy(tp, 0x16, &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 uint32_t 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, 0x16, 0x0002); for (i = 0; i < 6; i++) tg3_writephy(tp, MII_TG3_DSP_RW_PORT, test_pat[chan][i]); tg3_writephy(tp, 0x16, 0x0202); if (tg3_wait_macro_done(tp)) { *resetp = 1; return -EBUSY; } tg3_writephy(tp, MII_TG3_DSP_ADDRESS, (chan * 0x2000) | 0x0200); tg3_writephy(tp, 0x16, 0x0082); if (tg3_wait_macro_done(tp)) { *resetp = 1; return -EBUSY; } tg3_writephy(tp, 0x16, 0x0802); if (tg3_wait_macro_done(tp)) { *resetp = 1; return -EBUSY; } for (i = 0; i < 6; i += 2) { uint32_t low, high; tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &low); tg3_readphy(tp, MII_TG3_DSP_RW_PORT, &high); if (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, 0x16, 0x0002); for (i = 0; i < 6; i++) tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x000); tg3_writephy(tp, 0x16, 0x0202); if (tg3_wait_macro_done(tp)) return -EBUSY; } return 0; } static int tg3_phy_reset_5703_4_5(struct tg3 *tp) { uint32_t 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. */ tg3_readphy(tp, MII_TG3_EXT_CTRL, ®32); 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. */ tg3_readphy(tp, MII_TG3_CTRL, &phy9_orig); tg3_writephy(tp, MII_TG3_CTRL, (MII_TG3_CTRL_AS_MASTER | MII_TG3_CTRL_ENABLE_AS_MASTER)); /* Enable SM_DSP_CLOCK and 6dB. */ tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00); /* Block the PHY control access. */ tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8005); tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 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_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8005); tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x0000); tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8200); tg3_writephy(tp, 0x16, 0x0000); tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400); tg3_writephy(tp, MII_TG3_CTRL, phy9_orig); tg3_readphy(tp, MII_TG3_EXT_CTRL, ®32); reg32 &= ~0x3000; tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32); return err; } /* This will reset the tigon3 PHY if there is no valid * link. */ static int tg3_phy_reset(struct tg3 *tp) { uint32_t phy_status; int err; err = tg3_readphy(tp, MII_BMSR, &phy_status); err |= tg3_readphy(tp, MII_BMSR, &phy_status); if (err != 0) return -EBUSY; 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; } if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) { // Taken from Broadcom's source code tg3_writephy(tp, 0x18, 0x0c00); tg3_writephy(tp, 0x17, 0x000a); tg3_writephy(tp, 0x15, 0x310b); tg3_writephy(tp, 0x17, 0x201f); tg3_writephy(tp, 0x15, 0x9506); tg3_writephy(tp, 0x17, 0x401f); tg3_writephy(tp, 0x15, 0x14e2); tg3_writephy(tp, 0x18, 0x0400); } err = tg3_bmcr_reset(tp); if (err) return err; out: tg3_phy_set_wirespeed(tp); return 0; } static void tg3_set_power_state_0(struct tg3 *tp) { uint16_t power_control; int pm = tp->pm_cap; /* Make sure register accesses (indirect or otherwise) * will function correctly. */ pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL, tp->misc_host_ctrl); pci_read_config_word(tp->pdev, pm + PCI_PM_CTRL, &power_control); power_control |= PCI_PM_CTRL_PME_STATUS; power_control &= ~(PCI_PM_CTRL_STATE_MASK); power_control |= 0; pci_write_config_word(tp->pdev, pm + PCI_PM_CTRL, power_control); tw32_carefully(GRC_LOCAL_CTRL, tp->grc_local_ctrl); return; } #if SUPPORT_LINK_REPORT static void tg3_link_report(struct tg3 *tp) { if (!tp->carrier_ok) { printf("Link is down.\n"); } else { printf("Link is up at %d Mbps, %s duplex. %s %s %s\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"), (tp->tg3_flags & TG3_FLAG_TX_PAUSE) ? "TX" : "", (tp->tg3_flags & TG3_FLAG_RX_PAUSE) ? "RX" : "", (tp->tg3_flags & (TG3_FLAG_TX_PAUSE |TG3_FLAG_RX_PAUSE)) ? "flow control" : ""); } } #else #define tg3_link_report(tp) #endif static void tg3_setup_flow_control(struct tg3 *tp, uint32_t local_adv, uint32_t remote_adv) { uint32_t new_tg3_flags = 0; if (local_adv & ADVERTISE_PAUSE_CAP) { if (local_adv & ADVERTISE_PAUSE_ASYM) { if (remote_adv & LPA_PAUSE_CAP) new_tg3_flags |= (TG3_FLAG_RX_PAUSE | TG3_FLAG_TX_PAUSE); else if (remote_adv & LPA_PAUSE_ASYM) new_tg3_flags |= (TG3_FLAG_RX_PAUSE); } else { if (remote_adv & LPA_PAUSE_CAP) new_tg3_flags |= (TG3_FLAG_RX_PAUSE | TG3_FLAG_TX_PAUSE); } } else if (local_adv & ADVERTISE_PAUSE_ASYM) { if ((remote_adv & LPA_PAUSE_CAP) && (remote_adv & LPA_PAUSE_ASYM)) new_tg3_flags |= TG3_FLAG_TX_PAUSE; } tp->tg3_flags &= ~(TG3_FLAG_RX_PAUSE | TG3_FLAG_TX_PAUSE); tp->tg3_flags |= new_tg3_flags; if (new_tg3_flags & TG3_FLAG_RX_PAUSE) tp->rx_mode |= RX_MODE_FLOW_CTRL_ENABLE; else tp->rx_mode &= ~RX_MODE_FLOW_CTRL_ENABLE; if (new_tg3_flags & TG3_FLAG_TX_PAUSE) tp->tx_mode |= TX_MODE_FLOW_CTRL_ENABLE; else tp->tx_mode &= ~TX_MODE_FLOW_CTRL_ENABLE; } #if SUPPORT_COPPER_PHY static void tg3_aux_stat_to_speed_duplex( struct tg3 *tp __unused, uint32_t val, uint8_t *speed, uint8_t *duplex) { static const uint8_t map[] = { [0] = (SPEED_INVALID << 2) | DUPLEX_INVALID, [MII_TG3_AUX_STAT_10HALF >> 8] = (SPEED_10 << 2) | DUPLEX_HALF, [MII_TG3_AUX_STAT_10FULL >> 8] = (SPEED_10 << 2) | DUPLEX_FULL, [MII_TG3_AUX_STAT_100HALF >> 8] = (SPEED_100 << 2) | DUPLEX_HALF, [MII_TG3_AUX_STAT_100_4 >> 8] = (SPEED_INVALID << 2) | DUPLEX_INVALID, [MII_TG3_AUX_STAT_100FULL >> 8] = (SPEED_100 << 2) | DUPLEX_FULL, [MII_TG3_AUX_STAT_1000HALF >> 8] = (SPEED_1000 << 2) | DUPLEX_HALF, [MII_TG3_AUX_STAT_1000FULL >> 8] = (SPEED_1000 << 2) | DUPLEX_FULL, }; uint8_t result; result = map[(val & MII_TG3_AUX_STAT_SPDMASK) >> 8]; *speed = result >> 2; *duplex = result & 3; } static int tg3_phy_copper_begin(struct tg3 *tp) { uint32_t new_adv; tp->link_config.advertising = (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full | ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full | ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full | ADVERTISED_Autoneg | ADVERTISED_MII); if (tp->tg3_flags & TG3_FLAG_10_100_ONLY) { tp->link_config.advertising &= ~(ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full); } new_adv = (ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP); 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; } 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->tg3_flags & TG3_FLAG_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); } tg3_writephy(tp, MII_BMCR, BMCR_ANENABLE | BMCR_ANRESTART); return 0; } static int tg3_init_5401phy_dsp(struct tg3 *tp) { int err; /* Turn off tap power management. */ err = tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c20); err |= tg3_writedsp(tp, 0x0012, 0x1804); err |= tg3_writedsp(tp, 0x0013, 0x1204); err |= tg3_writedsp(tp, 0x8006, 0x0132); err |= tg3_writedsp(tp, 0x8006, 0x0232); err |= tg3_writedsp(tp, 0x201f, 0x0a20); udelay(40); return err; } static int tg3_setup_copper_phy(struct tg3 *tp) { int current_link_up; uint32_t bmsr, dummy; int i, err; tw32_carefully(MAC_STATUS, (MAC_STATUS_SYNC_CHANGED | MAC_STATUS_CFG_CHANGED | MAC_STATUS_LNKSTATE_CHANGED)); tp->mi_mode = MAC_MI_MODE_BASE; tw32_carefully(MAC_MI_MODE, tp->mi_mode); tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x02); /* 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) || (tp->pci_chip_rev_id == CHIPREV_ID_5705_A0)) && (tp->carrier_ok)) { tg3_readphy(tp, MII_BMSR, &bmsr); tg3_readphy(tp, MII_BMSR, &bmsr); if (!(bmsr & BMSR_LSTATUS)) tg3_phy_reset(tp); } if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401) { tg3_readphy(tp, MII_BMSR, &bmsr); tg3_readphy(tp, MII_BMSR, &bmsr); if (!(tp->tg3_flags & TG3_FLAG_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); tg3_readphy(tp, MII_BMSR, &bmsr); if (bmsr & BMSR_LSTATUS) { udelay(40); break; } } if ((tp->phy_id & PHY_ID_REV_MASK) == 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, 0x1c, 0x8c68); tg3_writephy(tp, 0x1c, 0x8d68); tg3_writephy(tp, 0x1c, 0x8c68); } /* Clear pending interrupts... */ tg3_readphy(tp, MII_TG3_ISTAT, &dummy); tg3_readphy(tp, MII_TG3_ISTAT, &dummy); tg3_writephy(tp, MII_TG3_IMASK, ~0); if (tp->led_mode == led_mode_three_link) 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; tg3_readphy(tp, MII_BMSR, &bmsr); tg3_readphy(tp, MII_BMSR, &bmsr); if (bmsr & BMSR_LSTATUS) { uint32_t aux_stat, bmcr; tg3_readphy(tp, MII_TG3_AUX_STAT, &aux_stat); for (i = 0; i < 2000; i++) { udelay(10); tg3_readphy(tp, MII_TG3_AUX_STAT, &aux_stat); if (aux_stat) break; } tg3_aux_stat_to_speed_duplex(tp, aux_stat, &tp->link_config.active_speed, &tp->link_config.active_duplex); tg3_readphy(tp, MII_BMCR, &bmcr); tg3_readphy(tp, MII_BMCR, &bmcr); if (bmcr & BMCR_ANENABLE) { uint32_t gig_ctrl; current_link_up = 1; /* Force autoneg restart if we are exiting * low power mode. */ tg3_readphy(tp, MII_TG3_CTRL, &gig_ctrl); if (!(gig_ctrl & (MII_TG3_CTRL_ADV_1000_HALF | MII_TG3_CTRL_ADV_1000_FULL))) { current_link_up = 0; } } else { current_link_up = 0; } } if (current_link_up == 1 && (tp->link_config.active_duplex == DUPLEX_FULL)) { uint32_t local_adv, remote_adv; tg3_readphy(tp, MII_ADVERTISE, &local_adv); local_adv &= (ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM); tg3_readphy(tp, MII_LPA, &remote_adv); remote_adv &= (LPA_PAUSE_CAP | LPA_PAUSE_ASYM); /* If we are not advertising full pause capability, * something is wrong. Bring the link down and reconfigure. */ if (local_adv != ADVERTISE_PAUSE_CAP) { current_link_up = 0; } else { tg3_setup_flow_control(tp, local_adv, remote_adv); } } if (current_link_up == 0) { uint32_t tmp; tg3_phy_copper_begin(tp); tg3_readphy(tp, MII_BMSR, &tmp); tg3_readphy(tp, MII_BMSR, &tmp); if (tmp & BMSR_LSTATUS) 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 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; tp->mac_mode &= ~MAC_MODE_LINK_POLARITY; if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700) { if ((tp->led_mode == led_mode_link10) || (current_link_up == 1 && tp->link_config.active_speed == SPEED_10)) tp->mac_mode |= MAC_MODE_LINK_POLARITY; } else { if (current_link_up == 1) tp->mac_mode |= MAC_MODE_LINK_POLARITY; tw32(MAC_LED_CTRL, LED_CTRL_PHY_MODE_1); } /* ??? Without this setting Netgear GA302T PHY does not * ??? send/receive packets... * With this other PHYs cannot bring up the link */ if ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5411 && tp->pci_chip_rev_id == CHIPREV_ID_5700_ALTIMA) { tp->mi_mode |= MAC_MI_MODE_AUTO_POLL; tw32_carefully(MAC_MI_MODE, tp->mi_mode); } tw32_carefully(MAC_MODE, tp->mac_mode); /* Link change polled. */ tw32_carefully(MAC_EVENT, 0); if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 && current_link_up == 1 && tp->link_config.active_speed == SPEED_1000 && ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) || (tp->tg3_flags & TG3_FLAG_PCI_HIGH_SPEED))) { udelay(120); tw32_carefully(MAC_STATUS, (MAC_STATUS_SYNC_CHANGED | MAC_STATUS_CFG_CHANGED)); tg3_write_mem( NIC_SRAM_FIRMWARE_MBOX, NIC_SRAM_FIRMWARE_MBOX_MAGIC2); } if (current_link_up != tp->carrier_ok) { tp->carrier_ok = current_link_up; tg3_link_report(tp); } return 0; } #else #define tg3_setup_copper_phy(TP) (-EINVAL) #endif /* SUPPORT_COPPER_PHY */ #if SUPPORT_FIBER_PHY 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 uint32_t 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; uint32_t ability_match_cfg; int ability_match_count; char ability_match, idle_match, ack_match; uint32_t 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) { unsigned long delta; uint32_t 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_carefully(MAC_MODE, tp->mac_mode); 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 | ANEG_CFG_PS1); tw32(MAC_TX_AUTO_NEG, ap->txconfig); tp->mac_mode |= MAC_MODE_SEND_CONFIGS; tw32_carefully(MAC_MODE, tp->mac_mode); 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_carefully(MAC_MODE, tp->mac_mode); 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_carefully(MAC_MODE, tp->mac_mode); 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 tg3_setup_fiber_phy(struct tg3 *tp) { uint32_t orig_pause_cfg; uint16_t orig_active_speed; uint8_t orig_active_duplex; int current_link_up; int i; orig_pause_cfg = (tp->tg3_flags & (TG3_FLAG_RX_PAUSE | TG3_FLAG_TX_PAUSE)); orig_active_speed = tp->link_config.active_speed; orig_active_duplex = tp->link_config.active_duplex; tp->mac_mode &= ~(MAC_MODE_PORT_MODE_MASK | MAC_MODE_HALF_DUPLEX); tp->mac_mode |= MAC_MODE_PORT_MODE_TBI; tw32_carefully(MAC_MODE, tp->mac_mode); /* Reset when initting first time or we have a link. */ if (!(tp->tg3_flags & TG3_FLAG_INIT_COMPLETE) || (tr32(MAC_STATUS) & MAC_STATUS_PCS_SYNCED)) { /* Set PLL lock range. */ tg3_writephy(tp, 0x16, 0x8007); /* SW reset */ tg3_writephy(tp, MII_BMCR, BMCR_RESET); /* Wait for reset to complete. */ mdelay(5); /* 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 */ mdelay(150); /* Deselect the channel register so we can read the PHYID * later. */ tg3_writephy(tp, 0x10, 0x8011); } /* Disable link change interrupt. */ tw32_carefully(MAC_EVENT, 0); current_link_up = 0; if (tr32(MAC_STATUS) & MAC_STATUS_PCS_SYNCED) { if (!(tp->tg3_flags & TG3_FLAG_GOT_SERDES_FLOWCTL)) { struct tg3_fiber_aneginfo aninfo; int status = ANEG_FAILED; unsigned int tick; uint32_t tmp; memset(&aninfo, 0, sizeof(aninfo)); aninfo.flags |= (MR_AN_ENABLE); tw32(MAC_TX_AUTO_NEG, 0); tmp = tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK; tw32_carefully(MAC_MODE, tmp | MAC_MODE_PORT_MODE_GMII); tw32_carefully(MAC_MODE, tp->mac_mode | MAC_MODE_SEND_CONFIGS); 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_carefully(MAC_MODE, tp->mac_mode); if (status == ANEG_DONE && (aninfo.flags & (MR_AN_COMPLETE | MR_LINK_OK | MR_LP_ADV_FULL_DUPLEX))) { uint32_t local_adv, remote_adv; local_adv = ADVERTISE_PAUSE_CAP; remote_adv = 0; if (aninfo.flags & MR_LP_ADV_SYM_PAUSE) remote_adv |= LPA_PAUSE_CAP; if (aninfo.flags & MR_LP_ADV_ASYM_PAUSE) remote_adv |= LPA_PAUSE_ASYM; tg3_setup_flow_control(tp, local_adv, remote_adv); tp->tg3_flags |= TG3_FLAG_GOT_SERDES_FLOWCTL; current_link_up = 1; } for (i = 0; i < 60; i++) { udelay(20); tw32_carefully(MAC_STATUS, (MAC_STATUS_SYNC_CHANGED | MAC_STATUS_CFG_CHANGED)); if ((tr32(MAC_STATUS) & (MAC_STATUS_SYNC_CHANGED | MAC_STATUS_CFG_CHANGED)) == 0) break; } if (current_link_up == 0 && (tr32(MAC_STATUS) & MAC_STATUS_PCS_SYNCED)) { current_link_up = 1; } } else { /* Forcing 1000FD link up. */ current_link_up = 1; } } tp->mac_mode &= ~MAC_MODE_LINK_POLARITY; tw32_carefully(MAC_MODE, tp->mac_mode); tp->hw_status->status = (SD_STATUS_UPDATED | (tp->hw_status->status & ~SD_STATUS_LINK_CHG)); for (i = 0; i < 100; i++) { udelay(20); tw32_carefully(MAC_STATUS, (MAC_STATUS_SYNC_CHANGED | MAC_STATUS_CFG_CHANGED)); if ((tr32(MAC_STATUS) & (MAC_STATUS_SYNC_CHANGED | MAC_STATUS_CFG_CHANGED)) == 0) break; } if ((tr32(MAC_STATUS) & MAC_STATUS_PCS_SYNCED) == 0) current_link_up = 0; if (current_link_up == 1) { tp->link_config.active_speed = SPEED_1000; tp->link_config.active_duplex = DUPLEX_FULL; } else { tp->link_config.active_speed = SPEED_INVALID; tp->link_config.active_duplex = DUPLEX_INVALID; } if (current_link_up != tp->carrier_ok) { tp->carrier_ok = current_link_up; tg3_link_report(tp); } else { uint32_t now_pause_cfg = tp->tg3_flags & (TG3_FLAG_RX_PAUSE | TG3_FLAG_TX_PAUSE); 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); } if ((tr32(MAC_STATUS) & MAC_STATUS_PCS_SYNCED) == 0) { tw32_carefully(MAC_MODE, tp->mac_mode | MAC_MODE_LINK_POLARITY); if (tp->tg3_flags & TG3_FLAG_INIT_COMPLETE) { tw32_carefully(MAC_MODE, tp->mac_mode); } } return 0; } #else #define tg3_setup_fiber_phy(TP) (-EINVAL) #endif /* SUPPORT_FIBER_PHY */ static int tg3_setup_phy(struct tg3 *tp) { int err; if (tp->phy_id == PHY_ID_SERDES) { err = tg3_setup_fiber_phy(tp); } else { err = tg3_setup_copper_phy(tp); } if (tp->link_config.active_speed == SPEED_1000 && tp->link_config.active_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))); return err; } #define MAX_WAIT_CNT 1000 /* To stop a block, clear the enable bit and poll till it * clears. */ static int tg3_stop_block(struct tg3 *tp, unsigned long ofs, uint32_t enable_bit) { unsigned int i; uint32_t val; if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) { 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, just say success. */ return 0; default: break; } } val = tr32(ofs); val &= ~enable_bit; tw32(ofs, val); tr32(ofs); for (i = 0; i < MAX_WAIT_CNT; i++) { udelay(100); val = tr32(ofs); if ((val & enable_bit) == 0) break; } if (i == MAX_WAIT_CNT) { printf("tg3_stop_block timed out, ofs=%lx enable_bit=%x\n", ofs, enable_bit); return -ENODEV; } return 0; } static int tg3_abort_hw(struct tg3 *tp) { int i, err; tg3_disable_ints(tp); tp->rx_mode &= ~RX_MODE_ENABLE; tw32_carefully(MAC_RX_MODE, tp->rx_mode); err = tg3_stop_block(tp, RCVBDI_MODE, RCVBDI_MODE_ENABLE); err |= tg3_stop_block(tp, RCVLPC_MODE, RCVLPC_MODE_ENABLE); err |= tg3_stop_block(tp, RCVLSC_MODE, RCVLSC_MODE_ENABLE); err |= tg3_stop_block(tp, RCVDBDI_MODE, RCVDBDI_MODE_ENABLE); err |= tg3_stop_block(tp, RCVDCC_MODE, RCVDCC_MODE_ENABLE); err |= tg3_stop_block(tp, RCVCC_MODE, RCVCC_MODE_ENABLE); err |= tg3_stop_block(tp, SNDBDS_MODE, SNDBDS_MODE_ENABLE); err |= tg3_stop_block(tp, SNDBDI_MODE, SNDBDI_MODE_ENABLE); err |= tg3_stop_block(tp, SNDDATAI_MODE, SNDDATAI_MODE_ENABLE); err |= tg3_stop_block(tp, RDMAC_MODE, RDMAC_MODE_ENABLE); err |= tg3_stop_block(tp, SNDDATAC_MODE, SNDDATAC_MODE_ENABLE); err |= tg3_stop_block(tp, SNDBDC_MODE, SNDBDC_MODE_ENABLE); if (err) goto out; tp->mac_mode &= ~MAC_MODE_TDE_ENABLE; tw32_carefully(MAC_MODE, tp->mac_mode); tp->tx_mode &= ~TX_MODE_ENABLE; tw32_carefully(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) { printf("tg3_abort_hw timed out TX_MODE_ENABLE will not clear MAC_TX_MODE=%x\n", tr32(MAC_TX_MODE)); return -ENODEV; } err = tg3_stop_block(tp, HOSTCC_MODE, HOSTCC_MODE_ENABLE); err |= tg3_stop_block(tp, WDMAC_MODE, WDMAC_MODE_ENABLE); err |= tg3_stop_block(tp, MBFREE_MODE, MBFREE_MODE_ENABLE); tw32(FTQ_RESET, 0xffffffff); tw32(FTQ_RESET, 0x00000000); err |= tg3_stop_block(tp, BUFMGR_MODE, BUFMGR_MODE_ENABLE); err |= tg3_stop_block(tp, MEMARB_MODE, MEMARB_MODE_ENABLE); if (err) goto out; memset(tp->hw_status, 0, TG3_HW_STATUS_SIZE); out: return err; } static void tg3_chip_reset(struct tg3 *tp) { uint32_t val; if (!(tp->tg3_flags2 & TG3_FLG2_SUN_5704)) { /* Force NVRAM to settle. * This deals with a chip bug which can result in EEPROM * corruption. */ if (tp->tg3_flags & TG3_FLAG_NVRAM) { int i; tw32(NVRAM_SWARB, SWARB_REQ_SET1); for (i = 0; i < 100000; i++) { if (tr32(NVRAM_SWARB) & SWARB_GNT1) break; udelay(10); } } } /* In Etherboot we don't need to worry about the 5701 * REG_WRITE_BUG because we do all register writes indirectly. */ // Alf: here patched /* do the reset */ val = GRC_MISC_CFG_CORECLK_RESET; if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) || (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750)) { val |= GRC_MISC_CFG_KEEP_GPHY_POWER; } // Alf : Please VALIDATE THIS. // It is necessary in my case (5751) to prevent a reboot, but // I have no idea about a side effect on any other version. // It appears to be what's done in tigon3.c from Broadcom if (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0) { tw32(GRC_MISC_CFG, 0x20000000) ; val |= 0x20000000 ; } tw32(GRC_MISC_CFG, val); /* Flush PCI posted writes. The normal MMIO registers * are inaccessible at this time so this is the only * way to make this reliably. 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); /* 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 && (tp->tg3_flags & TG3_FLAG_PCIX_MODE)) val |= PCISTATE_RETRY_SAME_DMA; pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, val); pci_restore_state(tp->pdev, tp->pci_cfg_state); /* Make sure PCI-X relaxed ordering bit is clear. */ pci_read_config_dword(tp->pdev, TG3PCI_X_CAPS, &val); val &= ~PCIX_CAPS_RELAXED_ORDERING; pci_write_config_dword(tp->pdev, TG3PCI_X_CAPS, val); tw32(MEMARB_MODE, MEMARB_MODE_ENABLE); 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_FORCE_CLKRUN | CLOCK_CTRL_CLKRUN_OENABLE); tw32(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl); } tw32(TG3PCI_MISC_HOST_CTRL, tp->misc_host_ctrl); } static void tg3_stop_fw(struct tg3 *tp) { if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) { uint32_t val; int i; tg3_write_mem(NIC_SRAM_FW_CMD_MBOX, FWCMD_NICDRV_PAUSE_FW); val = tr32(GRC_RX_CPU_EVENT); val |= (1 << 14); tw32(GRC_RX_CPU_EVENT, val); /* Wait for RX cpu to ACK the event. */ for (i = 0; i < 100; i++) { if (!(tr32(GRC_RX_CPU_EVENT) & (1 << 14))) break; udelay(1); } } } static int tg3_restart_fw(struct tg3 *tp, uint32_t state) { uint32_t val; int i; tg3_write_mem(NIC_SRAM_FIRMWARE_MBOX, NIC_SRAM_FIRMWARE_MBOX_MAGIC1); /* Wait for firmware initialization to complete. */ for (i = 0; i < 100000; i++) { tg3_read_mem(NIC_SRAM_FIRMWARE_MBOX, &val); if (val == (uint32_t) ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1) break; udelay(10); } if (i >= 100000 && !(tp->tg3_flags2 & TG3_FLG2_SUN_5704)) { printf("Firmware will not restart magic=%x\n", val); return -ENODEV; } if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) { state = DRV_STATE_SUSPEND; } if ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) && (tp->pci_chip_rev_id != CHIPREV_ID_5750_A0)) { // Enable PCIE bug fix tg3_read_mem(0x7c00, &val); tg3_write_mem(0x7c00, val | 0x02000000); } tg3_write_mem(NIC_SRAM_FW_DRV_STATE_MBOX, state); return 0; } static int tg3_halt(struct tg3 *tp) { tg3_stop_fw(tp); tg3_abort_hw(tp); tg3_chip_reset(tp); return tg3_restart_fw(tp, DRV_STATE_UNLOAD); } static void __tg3_set_mac_addr(struct tg3 *tp) { uint32_t addr_high, addr_low; int i; addr_high = ((tp->nic->node_addr[0] << 8) | tp->nic->node_addr[1]); addr_low = ((tp->nic->node_addr[2] << 24) | (tp->nic->node_addr[3] << 16) | (tp->nic->node_addr[4] << 8) | (tp->nic->node_addr[5] << 0)); for (i = 0; i < 4; i++) { 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_5700) && (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) && (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5705)) { 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->nic->node_addr[0] + tp->nic->node_addr[1] + tp->nic->node_addr[2] + tp->nic->node_addr[3] + tp->nic->node_addr[4] + tp->nic->node_addr[5]) & TX_BACKOFF_SEED_MASK; tw32(MAC_TX_BACKOFF_SEED, addr_high); } static void tg3_set_bdinfo(struct tg3 *tp, uint32_t bdinfo_addr, dma_addr_t mapping, uint32_t maxlen_flags, uint32_t nic_addr) { tg3_write_mem((bdinfo_addr + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH), ((uint64_t) mapping >> 32)); tg3_write_mem((bdinfo_addr + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW), ((uint64_t) mapping & 0xffffffff)); tg3_write_mem((bdinfo_addr + TG3_BDINFO_MAXLEN_FLAGS), maxlen_flags); if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5705) { tg3_write_mem((bdinfo_addr + TG3_BDINFO_NIC_ADDR), nic_addr); } } static void tg3_init_rings(struct tg3 *tp) { unsigned i; /* Zero out the tg3 variables */ memset(&tg3_bss, 0, sizeof(tg3_bss)); tp->rx_std = &tg3_bss.rx_std[0]; tp->rx_rcb = &tg3_bss.rx_rcb[0]; tp->tx_ring = &tg3_bss.tx_ring[0]; tp->hw_status = &tg3_bss.hw_status; tp->hw_stats = &tg3_bss.hw_stats; tp->mac_mode = 0; /* 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. */ /* 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 < TG3_RX_RING_SIZE; i++) { struct tg3_rx_buffer_desc *rxd; rxd = &tp->rx_std[i]; rxd->idx_len = (RX_PKT_BUF_SZ - 2 - 64) << RXD_LEN_SHIFT; rxd->type_flags = (RXD_FLAG_END << RXD_FLAGS_SHIFT); rxd->opaque = (RXD_OPAQUE_RING_STD | (i << RXD_OPAQUE_INDEX_SHIFT)); /* Note where the receive buffer for the ring is placed */ rxd->addr_hi = 0; rxd->addr_lo = virt_to_bus( &tg3_bss.rx_bufs[i%TG3_DEF_RX_RING_PENDING][2]); } } #define TG3_WRITE_SETTINGS(TABLE) \ do { \ const uint32_t *_table, *_end; \ _table = TABLE; \ _end = _table + sizeof(TABLE)/sizeof(TABLE[0]); \ for(; _table < _end; _table += 2) { \ tw32(_table[0], _table[1]); \ } \ } while(0) /* initialize/reset the tg3 */ static int tg3_setup_hw(struct tg3 *tp) { uint32_t val, rdmac_mode; int i, err, limit; /* Simply don't support setups with extremly buggy firmware in etherboot */ if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0) { printf("Error 5701_A0 firmware bug detected\n"); return -EINVAL; } tg3_disable_ints(tp); /* Originally this was all in tg3_init_hw */ /* Force the chip into D0. */ tg3_set_power_state_0(tp); tg3_switch_clocks(tp); tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0); // This should go somewhere else #define T3_PCIE_CAPABILITY_ID_REG 0xD0 #define T3_PCIE_CAPABILITY_ID 0x10 #define T3_PCIE_CAPABILITY_REG 0xD2 /* Originally this was all in tg3_reset_hw */ tg3_stop_fw(tp); /* No need to call tg3_abort_hw here, it is called before tg3_setup_hw. */ tg3_chip_reset(tp); tw32(GRC_MODE, tp->grc_mode); /* Redundant? */ err = tg3_restart_fw(tp, DRV_STATE_START); if (err) return err; if (tp->phy_id == PHY_ID_SERDES) { tp->mac_mode = MAC_MODE_PORT_MODE_TBI; } tw32_carefully(MAC_MODE, tp->mac_mode); /* This works around an issue with Athlon chipsets on * B3 tigon3 silicon. This bit has no effect on any * other revision. * Alf: Except 5750 ! (which reboots) */ if (!(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)) tp->pci_clock_ctrl |= CLOCK_CTRL_DELAY_PCI_GRANT; tw32_carefully(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl); if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0 && (tp->tg3_flags & TG3_FLAG_PCIX_MODE)) { val = tr32(TG3PCI_PCISTATE); val |= PCISTATE_RETRY_SAME_DMA; tw32(TG3PCI_PCISTATE, 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. */ tg3_init_rings(tp); /* Clear statistics/status block in chip */ if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5705) { for (i = NIC_SRAM_STATS_BLK; i < NIC_SRAM_STATUS_BLK + TG3_HW_STATUS_SIZE; i += sizeof(uint32_t)) { tg3_write_mem(i, 0); udelay(40); } } /* This value is determined during the probe time DMA * engine test, tg3_setup_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; tp->grc_mode |= GRC_MODE_NO_TX_PHDR_CSUM; tp->grc_mode |= GRC_MODE_NO_RX_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. */ tw32(GRC_MISC_CFG, (65 << GRC_MISC_CFG_PRESCALAR_SHIFT)); /* Initialize MBUF/DESC pool. */ 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); } if (!(tp->tg3_flags & TG3_FLAG_JUMBO_ENABLE)) { 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); tw32(BUFMGR_MODE, BUFMGR_MODE_ENABLE | BUFMGR_MODE_ATTN_ENABLE); for (i = 0; i < 2000; i++) { if (tr32(BUFMGR_MODE) & BUFMGR_MODE_ENABLE) break; udelay(10); } if (i >= 2000) { printf("tg3_setup_hw cannot enable BUFMGR\n"); return -ENODEV; } tw32(FTQ_RESET, 0xffffffff); tw32(FTQ_RESET, 0x00000000); for (i = 0; i < 2000; i++) { if (tr32(FTQ_RESET) == 0x00000000) break; udelay(10); } if (i >= 2000) { printf("tg3_setup_hw cannot reset FTQ\n"); return -ENODEV; } /* 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. * * ??? No space allocated for mini receive ring? :( * * The size of each ring is fixed in the firmware, but the location is * configurable. */ { static const uint32_t table_all[] = { /* Setup replenish thresholds. */ RCVBDI_STD_THRESH, TG3_DEF_RX_RING_PENDING / 8, /* Etherboot lives below 4GB */ RCVDBDI_STD_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_HIGH, 0, RCVDBDI_STD_BD + TG3_BDINFO_NIC_ADDR, NIC_SRAM_RX_BUFFER_DESC, }; static const uint32_t table_not_5705[] = { /* Buffer maximum length */ RCVDBDI_STD_BD + TG3_BDINFO_MAXLEN_FLAGS, RX_STD_MAX_SIZE << BDINFO_FLAGS_MAXLEN_SHIFT, /* Disable the mini frame rx ring */ RCVDBDI_MINI_BD + TG3_BDINFO_MAXLEN_FLAGS, BDINFO_FLAGS_DISABLED, /* Disable the jumbo frame rx ring */ RCVBDI_JUMBO_THRESH, 0, RCVDBDI_JUMBO_BD + TG3_BDINFO_MAXLEN_FLAGS, BDINFO_FLAGS_DISABLED, }; TG3_WRITE_SETTINGS(table_all); tw32(RCVDBDI_STD_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW, virt_to_bus(tp->rx_std)); if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) { tw32(RCVDBDI_STD_BD + TG3_BDINFO_MAXLEN_FLAGS, RX_STD_MAX_SIZE_5705 << BDINFO_FLAGS_MAXLEN_SHIFT); } else { TG3_WRITE_SETTINGS(table_not_5705); } } /* There is only one send ring on 5705, no need to explicitly * disable the others. */ if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5705) { /* Clear out send RCB ring in SRAM. */ for (i = NIC_SRAM_SEND_RCB; i < NIC_SRAM_RCV_RET_RCB; i += TG3_BDINFO_SIZE) tg3_write_mem(i + TG3_BDINFO_MAXLEN_FLAGS, BDINFO_FLAGS_DISABLED); } tp->tx_prod = 0; tw32_mailbox(MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW, 0); tw32_mailbox2(MAILBOX_SNDNIC_PROD_IDX_0 + TG3_64BIT_REG_LOW, 0); tg3_set_bdinfo(tp, NIC_SRAM_SEND_RCB, virt_to_bus(tp->tx_ring), (TG3_TX_RING_SIZE << BDINFO_FLAGS_MAXLEN_SHIFT), NIC_SRAM_TX_BUFFER_DESC); /* There is only one receive return ring on 5705, no need to explicitly * disable the others. */ if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5705) { for (i = NIC_SRAM_RCV_RET_RCB; i < NIC_SRAM_STATS_BLK; i += TG3_BDINFO_SIZE) { tg3_write_mem(i + TG3_BDINFO_MAXLEN_FLAGS, BDINFO_FLAGS_DISABLED); } } tp->rx_rcb_ptr = 0; tw32_mailbox2(MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW, 0); tg3_set_bdinfo(tp, NIC_SRAM_RCV_RET_RCB, virt_to_bus(tp->rx_rcb), (TG3_RX_RCB_RING_SIZE << BDINFO_FLAGS_MAXLEN_SHIFT), 0); tp->rx_std_ptr = TG3_DEF_RX_RING_PENDING; tw32_mailbox2(MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW, tp->rx_std_ptr); tw32_mailbox2(MAILBOX_RCV_JUMBO_PROD_IDX + TG3_64BIT_REG_LOW, 0); /* Initialize MAC address and backoff seed. */ __tg3_set_mac_addr(tp); /* 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 (tp->tg3_flags & TG3_FLAG_SPLIT_MODE) rdmac_mode |= RDMAC_MODE_SPLIT_ENABLE; if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) { if (tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) { if (!(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH) && !(tp->tg3_flags2 & TG3_FLG2_IS_5788)) { rdmac_mode |= RDMAC_MODE_FIFO_LONG_BURST; } } } /* Setup host coalescing engine. */ tw32(HOSTCC_MODE, 0); for (i = 0; i < 2000; i++) { if (!(tr32(HOSTCC_MODE) & HOSTCC_MODE_ENABLE)) break; udelay(10); } tp->mac_mode = MAC_MODE_TXSTAT_ENABLE | MAC_MODE_RXSTAT_ENABLE | MAC_MODE_TDE_ENABLE | MAC_MODE_RDE_ENABLE | MAC_MODE_FHDE_ENABLE; tw32_carefully(MAC_MODE, tp->mac_mode | MAC_MODE_RXSTAT_CLEAR | MAC_MODE_TXSTAT_CLEAR); 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) tp->grc_local_ctrl |= (GRC_LCLCTRL_GPIO_OE1 | GRC_LCLCTRL_GPIO_OUTPUT1); tw32_carefully(GRC_LOCAL_CTRL, tp->grc_local_ctrl); tw32_mailbox(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW, 0); tr32(MAILBOX_INTERRUPT_0); if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5705) { tw32_carefully(DMAC_MODE, DMAC_MODE_ENABLE); } 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) && ((tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH) != 0) && !(tp->tg3_flags2 & TG3_FLG2_IS_5788)) { val |= WDMAC_MODE_RX_ACCEL; } tw32_carefully(WDMAC_MODE, val); if ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) != 0) { val = tr32(TG3PCI_X_CAPS); if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703) { val &= PCIX_CAPS_BURST_MASK; val |= (PCIX_CAPS_MAX_BURST_CPIOB << PCIX_CAPS_BURST_SHIFT); } else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) { val &= ~(PCIX_CAPS_SPLIT_MASK | PCIX_CAPS_BURST_MASK); val |= (PCIX_CAPS_MAX_BURST_CPIOB << PCIX_CAPS_BURST_SHIFT); if (tp->tg3_flags & TG3_FLAG_SPLIT_MODE) val |= (tp->split_mode_max_reqs << PCIX_CAPS_SPLIT_SHIFT); } tw32(TG3PCI_X_CAPS, val); } tw32_carefully(RDMAC_MODE, rdmac_mode); { static const uint32_t table_all[] = { /* MTU + ethernet header + FCS + optional VLAN tag */ MAC_RX_MTU_SIZE, ETH_MAX_MTU + ETH_HLEN + 8, /* The slot time is changed by tg3_setup_phy if we * run at gigabit with half duplex. */ MAC_TX_LENGTHS, (2 << TX_LENGTHS_IPG_CRS_SHIFT) | (6 << TX_LENGTHS_IPG_SHIFT) | (32 << TX_LENGTHS_SLOT_TIME_SHIFT), /* Receive rules. */ MAC_RCV_RULE_CFG, RCV_RULE_CFG_DEFAULT_CLASS, RCVLPC_CONFIG, 0x0181, /* Receive/send statistics. */ RCVLPC_STATS_ENABLE, 0xffffff, RCVLPC_STATSCTRL, RCVLPC_STATSCTRL_ENABLE, SNDDATAI_STATSENAB, 0xffffff, SNDDATAI_STATSCTRL, (SNDDATAI_SCTRL_ENABLE |SNDDATAI_SCTRL_FASTUPD), /* Host coalescing engine */ HOSTCC_RXCOL_TICKS, 0, HOSTCC_TXCOL_TICKS, LOW_TXCOL_TICKS, HOSTCC_RXMAX_FRAMES, 1, HOSTCC_TXMAX_FRAMES, LOW_RXMAX_FRAMES, HOSTCC_RXCOAL_MAXF_INT, 1, HOSTCC_TXCOAL_MAXF_INT, 0, /* Status/statistics block address. */ /* Etherboot lives below 4GB, so HIGH == 0 */ HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH, 0, /* No need to enable 32byte coalesce mode. */ HOSTCC_MODE, HOSTCC_MODE_ENABLE | 0, RCVCC_MODE, RCVCC_MODE_ENABLE | RCVCC_MODE_ATTN_ENABLE, RCVLPC_MODE, RCVLPC_MODE_ENABLE, RCVDCC_MODE, RCVDCC_MODE_ENABLE | RCVDCC_MODE_ATTN_ENABLE, SNDDATAC_MODE, SNDDATAC_MODE_ENABLE, SNDBDC_MODE, SNDBDC_MODE_ENABLE | SNDBDC_MODE_ATTN_ENABLE, RCVBDI_MODE, RCVBDI_MODE_ENABLE | RCVBDI_MODE_RCB_ATTN_ENAB, RCVDBDI_MODE, RCVDBDI_MODE_ENABLE | RCVDBDI_MODE_INV_RING_SZ, SNDDATAI_MODE, SNDDATAI_MODE_ENABLE, SNDBDI_MODE, SNDBDI_MODE_ENABLE | SNDBDI_MODE_ATTN_ENABLE, SNDBDS_MODE, SNDBDS_MODE_ENABLE | SNDBDS_MODE_ATTN_ENABLE, /* Accept all multicast frames. */ MAC_HASH_REG_0, 0xffffffff, MAC_HASH_REG_1, 0xffffffff, MAC_HASH_REG_2, 0xffffffff, MAC_HASH_REG_3, 0xffffffff, }; static const uint32_t table_not_5705[] = { /* Host coalescing engine */ HOSTCC_RXCOAL_TICK_INT, 0, HOSTCC_TXCOAL_TICK_INT, 0, /* Status/statistics block address. */ /* Etherboot lives below 4GB, so HIGH == 0 */ HOSTCC_STAT_COAL_TICKS, DEFAULT_STAT_COAL_TICKS, HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_HIGH, 0, HOSTCC_STATS_BLK_NIC_ADDR, NIC_SRAM_STATS_BLK, HOSTCC_STATUS_BLK_NIC_ADDR, NIC_SRAM_STATUS_BLK, RCVLSC_MODE, RCVLSC_MODE_ENABLE | RCVLSC_MODE_ATTN_ENABLE, MBFREE_MODE, MBFREE_MODE_ENABLE, }; TG3_WRITE_SETTINGS(table_all); tw32(HOSTCC_STATS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW, virt_to_bus(tp->hw_stats)); tw32(HOSTCC_STATUS_BLK_HOST_ADDR + TG3_64BIT_REG_LOW, virt_to_bus(tp->hw_status)); if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5705) { TG3_WRITE_SETTINGS(table_not_5705); } } tp->tx_mode = TX_MODE_ENABLE; tw32_carefully(MAC_TX_MODE, tp->tx_mode); tp->rx_mode = RX_MODE_ENABLE; tw32_carefully(MAC_RX_MODE, tp->rx_mode); tp->mi_mode = MAC_MI_MODE_BASE; tw32_carefully(MAC_MI_MODE, tp->mi_mode); tw32(MAC_LED_CTRL, 0); tw32(MAC_MI_STAT, MAC_MI_STAT_LNKSTAT_ATTN_ENAB); if (tp->phy_id == PHY_ID_SERDES) { tw32_carefully(MAC_RX_MODE, RX_MODE_RESET); } tp->rx_mode |= RX_MODE_KEEP_VLAN_TAG; /* drop tagged vlan packets */ tw32_carefully(MAC_RX_MODE, tp->rx_mode); 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. */ tw32(MAC_LOW_WMARK_MAX_RX_FRAME, 2); tr32(MAC_LOW_WMARK_MAX_RX_FRAME); err = tg3_setup_phy(tp); /* Ignore CRC stats */ /* 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 ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) || (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750)) limit = 8; else limit = 16; if (tp->tg3_flags & TG3_FLAG_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; }; return err; } /* Chips other than 5700/5701 use the NVRAM for fetching info. */ static void tg3_nvram_init(struct tg3 *tp) { tw32(GRC_EEPROM_ADDR, (EEPROM_ADDR_FSM_RESET | (EEPROM_DEFAULT_CLOCK_PERIOD << EEPROM_ADDR_CLKPERD_SHIFT))); mdelay(1); /* Enable seeprom accesses. */ tw32_carefully(GRC_LOCAL_CTRL, tr32(GRC_LOCAL_CTRL) | GRC_LCLCTRL_AUTO_SEEPROM); if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 && GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) { uint32_t nvcfg1 = tr32(NVRAM_CFG1); tp->tg3_flags |= TG3_FLAG_NVRAM; if (nvcfg1 & NVRAM_CFG1_FLASHIF_ENAB) { if (nvcfg1 & NVRAM_CFG1_BUFFERED_MODE) tp->tg3_flags |= TG3_FLAG_NVRAM_BUFFERED; } else { nvcfg1 &= ~NVRAM_CFG1_COMPAT_BYPASS; tw32(NVRAM_CFG1, nvcfg1); } } else { tp->tg3_flags &= ~(TG3_FLAG_NVRAM | TG3_FLAG_NVRAM_BUFFERED); } } static int tg3_nvram_read_using_eeprom( struct tg3 *tp __unused, uint32_t offset, uint32_t *val) { uint32_t 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 < 10000; i++) { tmp = tr32(GRC_EEPROM_ADDR); if (tmp & EEPROM_ADDR_COMPLETE) break; udelay(100); } if (!(tmp & EEPROM_ADDR_COMPLETE)) { return -EBUSY; } *val = tr32(GRC_EEPROM_DATA); return 0; } static int tg3_nvram_read(struct tg3 *tp, uint32_t offset, uint32_t *val) { int i, saw_done_clear; if (!(tp->tg3_flags & TG3_FLAG_NVRAM)) return tg3_nvram_read_using_eeprom(tp, offset, val); if (tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) offset = ((offset / NVRAM_BUFFERED_PAGE_SIZE) << NVRAM_BUFFERED_PAGE_POS) + (offset % NVRAM_BUFFERED_PAGE_SIZE); if (offset > NVRAM_ADDR_MSK) return -EINVAL; tw32(NVRAM_SWARB, SWARB_REQ_SET1); for (i = 0; i < 1000; i++) { if (tr32(NVRAM_SWARB) & SWARB_GNT1) break; udelay(20); } tw32(NVRAM_ADDR, offset); tw32(NVRAM_CMD, NVRAM_CMD_RD | NVRAM_CMD_GO | NVRAM_CMD_FIRST | NVRAM_CMD_LAST | NVRAM_CMD_DONE); /* Wait for done bit to clear then set again. */ saw_done_clear = 0; for (i = 0; i < 1000; i++) { udelay(10); if (!saw_done_clear && !(tr32(NVRAM_CMD) & NVRAM_CMD_DONE)) saw_done_clear = 1; else if (saw_done_clear && (tr32(NVRAM_CMD) & NVRAM_CMD_DONE)) break; } if (i >= 1000) { tw32(NVRAM_SWARB, SWARB_REQ_CLR1); return -EBUSY; } *val = bswap_32(tr32(NVRAM_RDDATA)); tw32(NVRAM_SWARB, 0x20); return 0; } struct subsys_tbl_ent { uint16_t subsys_vendor, subsys_devid; uint32_t phy_id; }; static struct subsys_tbl_ent subsys_id_to_phy_id[] = { /* Broadcom boards. */ { 0x14e4, 0x1644, PHY_ID_BCM5401 }, /* BCM95700A6 */ { 0x14e4, 0x0001, PHY_ID_BCM5701 }, /* BCM95701A5 */ { 0x14e4, 0x0002, PHY_ID_BCM8002 }, /* BCM95700T6 */ { 0x14e4, 0x0003, PHY_ID_SERDES }, /* BCM95700A9 */ { 0x14e4, 0x0005, PHY_ID_BCM5701 }, /* BCM95701T1 */ { 0x14e4, 0x0006, PHY_ID_BCM5701 }, /* BCM95701T8 */ { 0x14e4, 0x0007, PHY_ID_SERDES }, /* BCM95701A7 */ { 0x14e4, 0x0008, PHY_ID_BCM5701 }, /* BCM95701A10 */ { 0x14e4, 0x8008, PHY_ID_BCM5701 }, /* BCM95701A12 */ { 0x14e4, 0x0009, PHY_ID_BCM5701 }, /* BCM95703Ax1 */ { 0x14e4, 0x8009, PHY_ID_BCM5701 }, /* BCM95703Ax2 */ /* 3com boards. */ { PCI_VENDOR_ID_3COM, 0x1000, PHY_ID_BCM5401 }, /* 3C996T */ { PCI_VENDOR_ID_3COM, 0x1006, PHY_ID_BCM5701 }, /* 3C996BT */ /* { PCI_VENDOR_ID_3COM, 0x1002, PHY_ID_XXX }, 3C996CT */ /* { PCI_VENDOR_ID_3COM, 0x1003, PHY_ID_XXX }, 3C997T */ { PCI_VENDOR_ID_3COM, 0x1004, PHY_ID_SERDES }, /* 3C996SX */ /* { PCI_VENDOR_ID_3COM, 0x1005, PHY_ID_XXX }, 3C997SZ */ { PCI_VENDOR_ID_3COM, 0x1007, PHY_ID_BCM5701 }, /* 3C1000T */ { PCI_VENDOR_ID_3COM, 0x1008, PHY_ID_BCM5701 }, /* 3C940BR01 */ /* DELL boards. */ { PCI_VENDOR_ID_DELL, 0x00d1, PHY_ID_BCM5401 }, /* VIPER */ { PCI_VENDOR_ID_DELL, 0x0106, PHY_ID_BCM5401 }, /* JAGUAR */ { PCI_VENDOR_ID_DELL, 0x0109, PHY_ID_BCM5411 }, /* MERLOT */ { PCI_VENDOR_ID_DELL, 0x010a, PHY_ID_BCM5411 }, /* SLIM_MERLOT */ { PCI_VENDOR_ID_DELL, 0x0179, PHY_ID_BCM5751 }, /* EtherXpress */ /* Compaq boards. */ { PCI_VENDOR_ID_COMPAQ, 0x007c, PHY_ID_BCM5701 }, /* BANSHEE */ { PCI_VENDOR_ID_COMPAQ, 0x009a, PHY_ID_BCM5701 }, /* BANSHEE_2 */ { PCI_VENDOR_ID_COMPAQ, 0x007d, PHY_ID_SERDES }, /* CHANGELING */ { PCI_VENDOR_ID_COMPAQ, 0x0085, PHY_ID_BCM5701 }, /* NC7780 */ { PCI_VENDOR_ID_COMPAQ, 0x0099, PHY_ID_BCM5701 } /* NC7780_2 */ }; static int tg3_phy_probe(struct tg3 *tp) { uint32_t eeprom_phy_id, hw_phy_id_1, hw_phy_id_2; uint32_t hw_phy_id, hw_phy_id_masked; enum phy_led_mode eeprom_led_mode; uint32_t val; unsigned i; int eeprom_signature_found, err; tp->phy_id = PHY_ID_INVALID; for (i = 0; i < sizeof(subsys_id_to_phy_id)/sizeof(subsys_id_to_phy_id[0]); i++) { if ((subsys_id_to_phy_id[i].subsys_vendor == tp->subsystem_vendor) && (subsys_id_to_phy_id[i].subsys_devid == tp->subsystem_device)) { tp->phy_id = subsys_id_to_phy_id[i].phy_id; break; } } eeprom_phy_id = PHY_ID_INVALID; eeprom_led_mode = led_mode_auto; eeprom_signature_found = 0; tg3_read_mem(NIC_SRAM_DATA_SIG, &val); if (val == NIC_SRAM_DATA_SIG_MAGIC) { uint32_t nic_cfg; tg3_read_mem(NIC_SRAM_DATA_CFG, &nic_cfg); tp->nic_sram_data_cfg = nic_cfg; eeprom_signature_found = 1; if ((nic_cfg & NIC_SRAM_DATA_CFG_PHY_TYPE_MASK) == NIC_SRAM_DATA_CFG_PHY_TYPE_FIBER) { eeprom_phy_id = PHY_ID_SERDES; } else { uint32_t nic_phy_id; tg3_read_mem(NIC_SRAM_DATA_PHY_ID, &nic_phy_id); if (nic_phy_id != 0) { uint32_t id1 = nic_phy_id & NIC_SRAM_DATA_PHY_ID1_MASK; uint32_t 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; } } switch (nic_cfg & NIC_SRAM_DATA_CFG_LED_MODE_MASK) { case NIC_SRAM_DATA_CFG_LED_TRIPLE_SPD: eeprom_led_mode = led_mode_three_link; break; case NIC_SRAM_DATA_CFG_LED_LINK_SPD: eeprom_led_mode = led_mode_link10; break; default: eeprom_led_mode = led_mode_auto; break; }; 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)) && (nic_cfg & NIC_SRAM_DATA_CFG_EEPROM_WP)) { tp->tg3_flags |= TG3_FLAG_EEPROM_WRITE_PROT; } if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) tp->tg3_flags |= TG3_FLAG_ENABLE_ASF; if (nic_cfg & NIC_SRAM_DATA_CFG_FIBER_WOL) tp->tg3_flags |= TG3_FLAG_SERDES_WOL_CAP; } /* 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 & PHY_ID_MASK; if (!err && KNOWN_PHY_ID(hw_phy_id_masked)) { tp->phy_id = hw_phy_id; } else { /* phy_id currently holds the value found in the * subsys_id_to_phy_id[] table or PHY_ID_INVALID * if a match was not found there. */ if (tp->phy_id == PHY_ID_INVALID) { if (!eeprom_signature_found || !KNOWN_PHY_ID(eeprom_phy_id & PHY_ID_MASK)) return -ENODEV; tp->phy_id = eeprom_phy_id; } } err = tg3_phy_reset(tp); if (err) return err; if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0 || tp->pci_chip_rev_id == CHIPREV_ID_5701_B0) { uint32_t mii_tg3_ctrl; /* These chips, when reset, only advertise 10Mb * capabilities. Fix that. */ err = tg3_writephy(tp, MII_ADVERTISE, (ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP | ADVERTISE_10HALF | ADVERTISE_10FULL | ADVERTISE_100HALF | ADVERTISE_100FULL)); mii_tg3_ctrl = (MII_TG3_CTRL_ADV_1000_HALF | MII_TG3_CTRL_ADV_1000_FULL | MII_TG3_CTRL_AS_MASTER | MII_TG3_CTRL_ENABLE_AS_MASTER); if (tp->tg3_flags & TG3_FLAG_10_100_ONLY) mii_tg3_ctrl = 0; err |= tg3_writephy(tp, MII_TG3_CTRL, mii_tg3_ctrl); err |= tg3_writephy(tp, MII_BMCR, (BMCR_ANRESTART | BMCR_ANENABLE)); } if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703) { tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00); tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x201f); tg3_writedsp(tp, MII_TG3_DSP_RW_PORT, 0x2aaa); } if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) { tg3_writephy(tp, 0x1c, 0x8d68); tg3_writephy(tp, 0x1c, 0x8d68); } /* Enable Ethernet@WireSpeed */ tg3_phy_set_wirespeed(tp); if (!err && ((tp->phy_id & PHY_ID_MASK) == PHY_ID_BCM5401)) { err = tg3_init_5401phy_dsp(tp); } /* Determine the PHY led mode. * Be careful if this gets set wrong it can result in an inability to * establish a link. */ if (tp->phy_id == PHY_ID_SERDES) { tp->led_mode = led_mode_three_link; } else if (tp->subsystem_vendor == PCI_VENDOR_ID_DELL) { tp->led_mode = led_mode_link10; } else { tp->led_mode = led_mode_three_link; if (eeprom_signature_found && eeprom_led_mode != led_mode_auto) tp->led_mode = eeprom_led_mode; } if (tp->phy_id == PHY_ID_SERDES) tp->link_config.advertising = (ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full | ADVERTISED_Autoneg | ADVERTISED_FIBRE); if (tp->tg3_flags & TG3_FLAG_10_100_ONLY) tp->link_config.advertising &= ~(ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full); return err; } #if SUPPORT_PARTNO_STR static void tg3_read_partno(struct tg3 *tp) { unsigned char vpd_data[256]; int i; for (i = 0; i < 256; i += 4) { uint32_t tmp; if (tg3_nvram_read(tp, 0x100 + i, &tmp)) goto out_not_found; vpd_data[i + 0] = ((tmp >> 0) & 0xff); vpd_data[i + 1] = ((tmp >> 8) & 0xff); vpd_data[i + 2] = ((tmp >> 16) & 0xff); vpd_data[i + 3] = ((tmp >> 24) & 0xff); } /* Now parse and find the part number. */ for (i = 0; i < 256; ) { unsigned char val = vpd_data[i]; int block_end; if (val == 0x82 || val == 0x91) { i = (i + 3 + (vpd_data[i + 1] + (vpd_data[i + 2] << 8))); continue; } if (val != 0x90) goto out_not_found; block_end = (i + 3 + (vpd_data[i + 1] + (vpd_data[i + 2] << 8))); i += 3; while (i < block_end) { if (vpd_data[i + 0] == 'P' && vpd_data[i + 1] == 'N') { int partno_len = vpd_data[i + 2]; if (partno_len > 24) goto out_not_found; memcpy(tp->board_part_number, &vpd_data[i + 3], partno_len); /* Success. */ return; } } /* Part number not found. */ goto out_not_found; } out_not_found: memcpy(tp->board_part_number, "none", sizeof("none")); } #else #define tg3_read_partno(TP) ((TP)->board_part_number[0] = '\0') #endif static int tg3_get_invariants(struct tg3 *tp) { uint32_t misc_ctrl_reg; uint32_t pci_state_reg, grc_misc_cfg; uint16_t pci_cmd; uint8_t pci_latency; uint32_t val ; int err; /* Read the subsystem vendor and device ids */ pci_read_config_word(tp->pdev, PCI_SUBSYSTEM_VENDOR_ID, &tp->subsystem_vendor); pci_read_config_word(tp->pdev, PCI_SUBSYSTEM_ID, &tp->subsystem_device); /* The sun_5704 code needs infrastructure etherboot does have * ignore it for now. */ /* If we have an AMD 762 or Intel ICH/ICH0 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. * * TG3_FLAG_MBOX_WRITE_REORDER has been forced on. */ /* 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 boundry * 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; /* Also, force SERR#/PERR# in PCI command. */ pci_cmd |= PCI_COMMAND_PARITY | PCI_COMMAND_SERR; 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); /* 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); pci_read_config_byte(tp->pdev, PCI_LATENCY_TIMER, &pci_latency); if (pci_latency < 64) { pci_write_config_byte(tp->pdev, PCI_LATENCY_TIMER, 64); } pci_read_config_dword(tp->pdev, TG3PCI_PCISTATE, &pci_state_reg); /* If this is a 5700 BX chipset, and 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. * * In etherboot to simplify things we just always use this work around. */ if ((pci_state_reg & PCISTATE_CONV_PCI_MODE) == 0) { tp->tg3_flags |= TG3_FLAG_PCIX_MODE; } /* Back to back register writes can cause problems on the 5701, * the workaround is to read back all reg writes except those to * mailbox regs. * In etherboot we always use indirect register accesses so * we don't see this. */ if ((pci_state_reg & PCISTATE_BUS_SPEED_HIGH) != 0) tp->tg3_flags |= TG3_FLAG_PCI_HIGH_SPEED; if ((pci_state_reg & PCISTATE_BUS_32BIT) != 0) tp->tg3_flags |= TG3_FLAG_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); } /* determine if it is PCIE system */ // Alf : I have no idea what this is about... // But it's definitely usefull if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750) { val = tr32(TG3PCI_MSI_CAP_ID) ; if (((val >> 8) & 0xff) == T3_PCIE_CAPABILITY_ID_REG) { val = tr32(T3_PCIE_CAPABILITY_ID_REG) ; if ((val & 0xff) == T3_PCIE_CAPABILITY_ID) { tp->tg3_flags2 |= TG3_FLG2_PCI_EXPRESS ; } } } /* Force the chip into D0. */ tg3_set_power_state_0(tp); /* Etherboot does not ask the tg3 to do checksums */ /* Etherboot does not ask the tg3 to do jumbo frames */ /* Ehterboot does not ask the tg3 to use WakeOnLan. */ /* 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_5750) || ((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->tg3_flags2 |= TG3_FLG2_NO_ETH_WIRE_SPEED; } /* Avoid tagged irq status etherboot does not use irqs */ /* Only 5701 and later support tagged irq status mode. * Also, 5788 chips cannot use tagged irq status. * * However, since etherboot does not use irqs avoid tagged irqs * status because the interrupt condition is more difficult to * fully clear in that mode. */ /* Since some 5700_AX && 5700_BX have problems with 32BYTE * coalesce_mode, and the rest work fine anything set. * Don't enable HOST_CC_MODE_32BYTE in etherboot. */ /* Initialize MAC MI mode, polling disabled. */ tw32_carefully(MAC_MI_MODE, tp->mi_mode); /* Initialize data/descriptor byte/word swapping. */ tw32(GRC_MODE, tp->grc_mode); tg3_switch_clocks(tp); /* Clear this out for sanity. */ tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0); /* Etherboot does not need to check if the PCIX_TARGET_HWBUG * is needed. It always uses it. */ udelay(50); tg3_nvram_init(tp); /* The TX descriptors will reside in main memory. */ /* See which board we are using. */ 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_5704 && grc_misc_cfg == GRC_MISC_CFG_BOARD_ID_5704CIOBE) { tp->tg3_flags |= TG3_FLAG_SPLIT_MODE; tp->split_mode_max_reqs = SPLIT_MODE_5704_MAX_REQ; } 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)) tp->tg3_flags2 |= TG3_FLG2_IS_5788; #define PCI_DEVICE_ID_TIGON3_5901 0x170d #define PCI_DEVICE_ID_TIGON3_5901_2 0x170e /* 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->dev_id == PCI_DEVICE_ID_TIGON3_5901) || (tp->pdev->dev_id == PCI_DEVICE_ID_TIGON3_5901_2)))) { tp->tg3_flags |= TG3_FLAG_10_100_ONLY; } err = tg3_phy_probe(tp); if (err) { printf("phy probe failed, err %d\n", err); } tg3_read_partno(tp); /* 5700 BX chips need to have their TX producer index mailboxes * written twice to workaround a bug. * In etherboot we do this unconditionally to simplify things. */ /* 5700 chips can get confused if TX buffers straddle the * 4GB address boundary in some cases. * * In etherboot we can ignore the problem as etherboot lives below 4GB. */ /* In etherboot wake-on-lan is unconditionally disabled */ return err; } static int tg3_get_device_address(struct tg3 *tp) { struct nic *nic = tp->nic; uint32_t hi, lo, mac_offset; if (PCI_FUNC(tp->pdev->busdevfn) == 0) mac_offset = 0x7c; else mac_offset = 0xcc; /* First try to get it from MAC address mailbox. */ tg3_read_mem(NIC_SRAM_MAC_ADDR_HIGH_MBOX, &hi); if ((hi >> 16) == 0x484b) { nic->node_addr[0] = (hi >> 8) & 0xff; nic->node_addr[1] = (hi >> 0) & 0xff; tg3_read_mem(NIC_SRAM_MAC_ADDR_LOW_MBOX, &lo); nic->node_addr[2] = (lo >> 24) & 0xff; nic->node_addr[3] = (lo >> 16) & 0xff; nic->node_addr[4] = (lo >> 8) & 0xff; nic->node_addr[5] = (lo >> 0) & 0xff; } /* Next, try NVRAM. */ else if (!tg3_nvram_read(tp, mac_offset + 0, &hi) && !tg3_nvram_read(tp, mac_offset + 4, &lo)) { nic->node_addr[0] = ((hi >> 16) & 0xff); nic->node_addr[1] = ((hi >> 24) & 0xff); nic->node_addr[2] = ((lo >> 0) & 0xff); nic->node_addr[3] = ((lo >> 8) & 0xff); nic->node_addr[4] = ((lo >> 16) & 0xff); nic->node_addr[5] = ((lo >> 24) & 0xff); } /* Finally just fetch it out of the MAC control regs. */ else { hi = tr32(MAC_ADDR_0_HIGH); lo = tr32(MAC_ADDR_0_LOW); nic->node_addr[5] = lo & 0xff; nic->node_addr[4] = (lo >> 8) & 0xff; nic->node_addr[3] = (lo >> 16) & 0xff; nic->node_addr[2] = (lo >> 24) & 0xff; nic->node_addr[1] = hi & 0xff; nic->node_addr[0] = (hi >> 8) & 0xff; } return 0; } static int tg3_setup_dma(struct tg3 *tp) { tw32(TG3PCI_CLOCK_CTRL, 0); if ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) == 0) { tp->dma_rwctrl = (0x7 << DMA_RWCTRL_PCI_WRITE_CMD_SHIFT) | (0x6 << DMA_RWCTRL_PCI_READ_CMD_SHIFT) | (0x7 << DMA_RWCTRL_WRITE_WATER_SHIFT) | (0x7 << DMA_RWCTRL_READ_WATER_SHIFT) | (0x0f << DMA_RWCTRL_MIN_DMA_SHIFT); if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) { tp->dma_rwctrl &= ~(DMA_RWCTRL_MIN_DMA << DMA_RWCTRL_MIN_DMA_SHIFT); } } else { if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) tp->dma_rwctrl = (0x7 << DMA_RWCTRL_PCI_WRITE_CMD_SHIFT) | (0x6 << DMA_RWCTRL_PCI_READ_CMD_SHIFT) | (0x3 << DMA_RWCTRL_WRITE_WATER_SHIFT) | (0x7 << DMA_RWCTRL_READ_WATER_SHIFT) | (0x00 << DMA_RWCTRL_MIN_DMA_SHIFT); else tp->dma_rwctrl = (0x7 << DMA_RWCTRL_PCI_WRITE_CMD_SHIFT) | (0x6 << DMA_RWCTRL_PCI_READ_CMD_SHIFT) | (0x3 << DMA_RWCTRL_WRITE_WATER_SHIFT) | (0x3 << DMA_RWCTRL_READ_WATER_SHIFT) | (0x0f << DMA_RWCTRL_MIN_DMA_SHIFT); /* Wheee, some more chip bugs... */ if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703) || (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)) { uint32_t ccval = tr32(TG3PCI_CLOCK_CTRL) & 0x1f; if ((ccval == 0x6) || (ccval == 0x7)) { tp->dma_rwctrl |= DMA_RWCTRL_ONE_DMA; } } } 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 &= ~(DMA_RWCTRL_MIN_DMA << DMA_RWCTRL_MIN_DMA_SHIFT); } /* Alf : Tried that, but it does not work. Should be this way though :-( if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) { tp->dma_rwctrl |= 0x001f0000; } */ tp->dma_rwctrl |= DMA_RWCTRL_ASSERT_ALL_BE; tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl); return 0; } static void tg3_init_link_config(struct tg3 *tp) { tp->link_config.advertising = (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full | ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full | ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full | ADVERTISED_Autoneg | ADVERTISED_MII); tp->carrier_ok = 0; tp->link_config.active_speed = SPEED_INVALID; tp->link_config.active_duplex = DUPLEX_INVALID; } #if SUPPORT_PHY_STR static const char * tg3_phy_string(struct tg3 *tp) { switch (tp->phy_id & PHY_ID_MASK) { case PHY_ID_BCM5400: return "5400"; case PHY_ID_BCM5401: return "5401"; case PHY_ID_BCM5411: return "5411"; case PHY_ID_BCM5701: return "5701"; case PHY_ID_BCM5703: return "5703"; case PHY_ID_BCM5704: return "5704"; case PHY_ID_BCM5705: return "5705"; case PHY_ID_BCM5750: return "5750"; case PHY_ID_BCM5751: return "5751"; case PHY_ID_BCM8002: return "8002/serdes"; case PHY_ID_SERDES: return "serdes"; default: return "unknown"; }; } #else #define tg3_phy_string(TP) "?" #endif static void tg3_poll_link(struct tg3 *tp) { uint32_t mac_stat; mac_stat = tr32(MAC_STATUS); if (tp->phy_id == PHY_ID_SERDES) { if (tp->carrier_ok? (mac_stat & MAC_STATUS_LNKSTATE_CHANGED): (mac_stat & MAC_STATUS_PCS_SYNCED)) { tw32_carefully(MAC_MODE, tp->mac_mode & ~MAC_MODE_PORT_MODE_MASK); tw32_carefully(MAC_MODE, tp->mac_mode); tg3_setup_phy(tp); } } else { if (mac_stat & MAC_STATUS_LNKSTATE_CHANGED) { tg3_setup_phy(tp); } } } /************************************************************************** POLL - Wait for a frame ***************************************************************************/ static void tg3_ack_irqs(struct tg3 *tp) { if (tp->hw_status->status & SD_STATUS_UPDATED) { /* * 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); /* * Flush PCI write. This also guarantees that our * status block has been flushed to host memory. */ tr32(MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW); tp->hw_status->status &= ~SD_STATUS_UPDATED; } } static int tg3_poll(struct nic *nic, int retrieve) { /* return true if there's an ethernet packet ready to read */ /* nic->packet should contain data on return */ /* nic->packetlen should contain length of data */ struct tg3 *tp = &tg3; int result; result = 0; if ( (tp->hw_status->idx[0].rx_producer != tp->rx_rcb_ptr) && !retrieve ) return 1; tg3_ack_irqs(tp); if (tp->hw_status->idx[0].rx_producer != tp->rx_rcb_ptr) { struct tg3_rx_buffer_desc *desc; unsigned int len; desc = &tp->rx_rcb[tp->rx_rcb_ptr]; if ((desc->opaque & RXD_OPAQUE_RING_MASK) == RXD_OPAQUE_RING_STD) { len = ((desc->idx_len & RXD_LEN_MASK) >> RXD_LEN_SHIFT) - 4; /* omit crc */ nic->packetlen = len; memcpy(nic->packet, bus_to_virt(desc->addr_lo), len); result = 1; } tp->rx_rcb_ptr = (tp->rx_rcb_ptr + 1) % TG3_RX_RCB_RING_SIZE; /* ACK the status ring */ tw32_mailbox2(MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW, tp->rx_rcb_ptr); /* Refill RX ring. */ if (result) { tp->rx_std_ptr = (tp->rx_std_ptr + 1) % TG3_RX_RING_SIZE; tw32_mailbox2(MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW, tp->rx_std_ptr); } } tg3_poll_link(tp); return result; } /************************************************************************** TRANSMIT - Transmit a frame ***************************************************************************/ #if 0 static void tg3_set_txd(struct tg3 *tp, int entry, dma_addr_t mapping, int len, uint32_t flags, uint32_t mss_and_is_end) { struct tg3_tx_buffer_desc *txd = &tp->tx_ring[entry]; int is_end = (mss_and_is_end & 0x1); if (is_end) { flags |= TXD_FLAG_END; } txd->addr_hi = 0; txd->addr_lo = mapping & 0xffffffff; txd->len_flags = (len << TXD_LEN_SHIFT) | flags; txd->vlan_tag = 0 << TXD_VLAN_TAG_SHIFT; } #endif static void tg3_transmit(struct nic *nic, const char *dst_addr, unsigned int type, unsigned int size, const char *packet) { static struct eth_frame { uint8_t dst_addr[ETH_ALEN]; uint8_t src_addr[ETH_ALEN]; uint16_t type; uint8_t data [ETH_FRAME_LEN - ETH_HLEN]; } frame[2]; static int frame_idx; /* send the packet to destination */ struct tg3_tx_buffer_desc *txd; struct tg3 *tp; uint32_t entry; int i; /* Wait until there is a free packet frame */ tp = &tg3; i = 0; entry = tp->tx_prod; while((tp->hw_status->idx[0].tx_consumer != entry) && (tp->hw_status->idx[0].tx_consumer != PREV_TX(entry))) { mdelay(10); /* give the nick a chance */ poll_interruptions(); if (++i > 500) { /* timeout 5s for transmit */ printf("transmit timed out\n"); tg3_halt(tp); tg3_setup_hw(tp); return; } } if (i != 0) { printf("#"); } /* Copy the packet to the our local buffer */ memcpy(&frame[frame_idx].dst_addr, dst_addr, ETH_ALEN); memcpy(&frame[frame_idx].src_addr, nic->node_addr, ETH_ALEN); frame[frame_idx].type = htons(type); memset(&frame[frame_idx].data, 0, sizeof(frame[frame_idx].data)); memcpy(&frame[frame_idx].data, packet, size); /* Setup the ring buffer entry to transmit */ txd = &tp->tx_ring[entry]; txd->addr_hi = 0; /* Etherboot runs under 4GB */ txd->addr_lo = virt_to_bus(&frame[frame_idx]); txd->len_flags = ((size + ETH_HLEN) << TXD_LEN_SHIFT) | TXD_FLAG_END; txd->vlan_tag = 0 << TXD_VLAN_TAG_SHIFT; /* Advance to the next entry */ entry = NEXT_TX(entry); frame_idx ^= 1; /* Packets are ready, update Tx producer idx local and on card */ tw32_mailbox((MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW), entry); tw32_mailbox2((MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW), entry); tp->tx_prod = entry; } /************************************************************************** DISABLE - Turn off ethernet interface ***************************************************************************/ static void tg3_disable ( struct nic *nic __unused ) { struct tg3 *tp = &tg3; /* put the card in its initial state */ /* This function serves 3 purposes. * This disables DMA and interrupts so we don't receive * unexpected packets or interrupts from the card after * etherboot has finished. * This frees resources so etherboot may use * this driver on another interface * This allows etherboot to reinitialize the interface * if something is something goes wrong. */ tg3_halt(tp); tp->tg3_flags &= ~(TG3_FLAG_INIT_COMPLETE|TG3_FLAG_GOT_SERDES_FLOWCTL); tp->carrier_ok = 0; iounmap((void *)tp->regs); } /************************************************************************** IRQ - Enable, Disable, or Force interrupts ***************************************************************************/ static void tg3_irq(struct nic *nic __unused, irq_action_t action __unused) { switch ( action ) { case DISABLE : break; case ENABLE : break; case FORCE : break; } } static struct nic_operations tg3_operations = { .connect = dummy_connect, .poll = tg3_poll, .transmit = tg3_transmit, .irq = tg3_irq, }; /************************************************************************** PROBE - Look for an adapter, this routine's visible to the outside You should omit the last argument struct pci_device * for a non-PCI NIC ***************************************************************************/ static int tg3_probe ( struct nic *nic, struct pci_device *pdev ) { struct tg3 *tp = &tg3; unsigned long tg3reg_base, tg3reg_len; int i, err, pm_cap; memset(tp, 0, sizeof(*tp)); adjust_pci_device(pdev); nic->irqno = 0; nic->ioaddr = pdev->ioaddr; /* Find power-management capability. */ pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM); if (pm_cap == 0) { printf("Cannot find PowerManagement capability, aborting.\n"); return 0; } tg3reg_base = pci_bar_start(pdev, PCI_BASE_ADDRESS_0); if (tg3reg_base == -1UL) { printf("Unuseable bar\n"); return 0; } tg3reg_len = pci_bar_size(pdev, PCI_BASE_ADDRESS_0); tp->pdev = pdev; tp->nic = nic; tp->pm_cap = pm_cap; tp->rx_mode = 0; tp->tx_mode = 0; tp->mi_mode = MAC_MI_MODE_BASE; tp->tg3_flags = 0 & ~TG3_FLAG_INIT_COMPLETE; /* 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); #if __BYTE_ORDER == __BIG_ENDIAN tp->grc_mode |= GRC_MODE_BSWAP_NONFRM_DATA; #endif tp->regs = (unsigned long) ioremap(tg3reg_base, tg3reg_len); if (tp->regs == 0UL) { printf("Cannot map device registers, aborting\n"); return 0; } tg3_init_link_config(tp); err = tg3_get_invariants(tp); if (err) { printf("Problem fetching invariants of chip, aborting.\n"); goto err_out_iounmap; } err = tg3_get_device_address(tp); if (err) { printf("Could not obtain valid ethernet address, aborting.\n"); goto err_out_iounmap; } printf("Ethernet addr: %!\n", nic->node_addr); tg3_setup_dma(tp); /* Now that we have fully setup the chip, save away a snapshot * of the PCI config space. We need to restore this after * GRC_MISC_CFG core clock resets and some resume events. */ pci_save_state(tp->pdev, tp->pci_cfg_state); printf("Tigon3 [partno(%s) rev %hx PHY(%s)] (PCI%s:%s:%s)\n", tp->board_part_number, tp->pci_chip_rev_id, tg3_phy_string(tp), ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) ? "X" : ""), ((tp->tg3_flags & TG3_FLAG_PCI_HIGH_SPEED) ? ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) ? "133MHz" : "66MHz") : ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) ? "100MHz" : "33MHz")), ((tp->tg3_flags & TG3_FLAG_PCI_32BIT) ? "32-bit" : "64-bit")); err = tg3_setup_hw(tp); if (err) { goto err_out_disable; } tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE; /* Wait for a reasonable time for the link to come up */ tg3_poll_link(tp); for(i = 0; !tp->carrier_ok && (i < VALID_LINK_TIMEOUT*100); i++) { mdelay(1); tg3_poll_link(tp); } if (!tp->carrier_ok){ printf("Valid link not established\n"); goto err_out_disable; } nic->nic_op = &tg3_operations; return 1; err_out_iounmap: iounmap((void *)tp->regs); return 0; err_out_disable: tg3_disable(nic); return 0; } static struct pci_id tg3_nics[] = { PCI_ROM(0x14e4, 0x1644, "tg3-5700", "Broadcom Tigon 3 5700"), PCI_ROM(0x14e4, 0x1645, "tg3-5701", "Broadcom Tigon 3 5701"), PCI_ROM(0x14e4, 0x1646, "tg3-5702", "Broadcom Tigon 3 5702"), PCI_ROM(0x14e4, 0x1647, "tg3-5703", "Broadcom Tigon 3 5703"), PCI_ROM(0x14e4, 0x1648, "tg3-5704", "Broadcom Tigon 3 5704"), PCI_ROM(0x14e4, 0x164d, "tg3-5702FE", "Broadcom Tigon 3 5702FE"), PCI_ROM(0x14e4, 0x1653, "tg3-5705", "Broadcom Tigon 3 5705"), PCI_ROM(0x14e4, 0x1654, "tg3-5705_2", "Broadcom Tigon 3 5705_2"), PCI_ROM(0x14e4, 0x165d, "tg3-5705M", "Broadcom Tigon 3 5705M"), PCI_ROM(0x14e4, 0x165e, "tg3-5705M_2", "Broadcom Tigon 3 5705M_2"), PCI_ROM(0x14e4, 0x1677, "tg3-5751", "Broadcom Tigon 3 5751"), PCI_ROM(0x14e4, 0x1696, "tg3-5782", "Broadcom Tigon 3 5782"), PCI_ROM(0x14e4, 0x169c, "tg3-5788", "Broadcom Tigon 3 5788"), PCI_ROM(0x14e4, 0x16a6, "tg3-5702X", "Broadcom Tigon 3 5702X"), PCI_ROM(0x14e4, 0x16a7, "tg3-5703X", "Broadcom Tigon 3 5703X"), PCI_ROM(0x14e4, 0x16a8, "tg3-5704S", "Broadcom Tigon 3 5704S"), PCI_ROM(0x14e4, 0x16c6, "tg3-5702A3", "Broadcom Tigon 3 5702A3"), PCI_ROM(0x14e4, 0x16c7, "tg3-5703A3", "Broadcom Tigon 3 5703A3"), PCI_ROM(0x14e4, 0x170d, "tg3-5901", "Broadcom Tigon 3 5901"), PCI_ROM(0x14e4, 0x170e, "tg3-5901_2", "Broadcom Tigon 3 5901_2"), PCI_ROM(0x1148, 0x4400, "tg3-9DXX", "Syskonnect 9DXX"), PCI_ROM(0x1148, 0x4500, "tg3-9MXX", "Syskonnect 9MXX"), PCI_ROM(0x173b, 0x03e8, "tg3-ac1000", "Altima AC1000"), PCI_ROM(0x173b, 0x03e9, "tg3-ac1001", "Altima AC1001"), PCI_ROM(0x173b, 0x03ea, "tg3-ac9100", "Altima AC9100"), PCI_ROM(0x173b, 0x03eb, "tg3-ac1003", "Altima AC1003"), }; static struct pci_driver tg3_driver = PCI_DRIVER ( tg3_nics, PCI_NO_CLASS ); DRIVER ( "TG3", nic_driver, pci_driver, tg3_driver, tg3_probe, tg3_disable );