diff options
Diffstat (limited to 'target/linux/brcm47xx/patches-3.3/700-ssb-gigabit-ethernet-driver.patch')
| -rw-r--r-- | target/linux/brcm47xx/patches-3.3/700-ssb-gigabit-ethernet-driver.patch | 439 |
1 files changed, 439 insertions, 0 deletions
diff --git a/target/linux/brcm47xx/patches-3.3/700-ssb-gigabit-ethernet-driver.patch b/target/linux/brcm47xx/patches-3.3/700-ssb-gigabit-ethernet-driver.patch new file mode 100644 index 000000000..e40a621c0 --- /dev/null +++ b/target/linux/brcm47xx/patches-3.3/700-ssb-gigabit-ethernet-driver.patch @@ -0,0 +1,439 @@ +--- a/drivers/net/ethernet/broadcom/tg3.c ++++ b/drivers/net/ethernet/broadcom/tg3.c +@@ -44,6 +44,7 @@ + #include <linux/prefetch.h> + #include <linux/dma-mapping.h> + #include <linux/firmware.h> ++#include <linux/ssb/ssb_driver_gige.h> + + #include <net/checksum.h> + #include <net/ip.h> +@@ -249,6 +250,7 @@ static DEFINE_PCI_DEVICE_TABLE(tg3_pci_t + {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5705F)}, + {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5721)}, + {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5722)}, ++ {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5750)}, + {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751)}, + {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751M)}, + {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5751F)}, +@@ -530,7 +532,9 @@ static void _tw32_flush(struct tg3 *tp, + static inline void tw32_mailbox_flush(struct tg3 *tp, u32 off, u32 val) + { + tp->write32_mbox(tp, off, val); +- if (!tg3_flag(tp, MBOX_WRITE_REORDER) && !tg3_flag(tp, ICH_WORKAROUND)) ++ if (tg3_flag(tp, FLUSH_POSTED_WRITES) || ++ (!tg3_flag(tp, MBOX_WRITE_REORDER) && ++ !tg3_flag(tp, ICH_WORKAROUND))) + tp->read32_mbox(tp, off); + } + +@@ -540,7 +544,8 @@ static void tg3_write32_tx_mbox(struct t + writel(val, mbox); + if (tg3_flag(tp, TXD_MBOX_HWBUG)) + writel(val, mbox); +- if (tg3_flag(tp, MBOX_WRITE_REORDER)) ++ if (tg3_flag(tp, MBOX_WRITE_REORDER) || ++ tg3_flag(tp, FLUSH_POSTED_WRITES)) + readl(mbox); + } + +@@ -948,7 +953,8 @@ static void tg3_switch_clocks(struct tg3 + + #define PHY_BUSY_LOOPS 5000 + +-static int tg3_readphy(struct tg3 *tp, int reg, u32 *val) ++static int __tg3_readphy(struct tg3 *tp, unsigned int phy_addr, int reg, ++ u32 *val) + { + u32 frame_val; + unsigned int loops; +@@ -962,7 +968,7 @@ static int tg3_readphy(struct tg3 *tp, i + + *val = 0x0; + +- frame_val = ((tp->phy_addr << MI_COM_PHY_ADDR_SHIFT) & ++ 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); +@@ -997,7 +1003,13 @@ static int tg3_readphy(struct tg3 *tp, i + return ret; + } + +-static int tg3_writephy(struct tg3 *tp, int reg, u32 val) ++static int tg3_readphy(struct tg3 *tp, int reg, u32 *val) ++{ ++ return __tg3_readphy(tp, tp->phy_addr, reg, val); ++} ++ ++static int __tg3_writephy(struct tg3 *tp, unsigned int phy_addr, int reg, ++ u32 val) + { + u32 frame_val; + unsigned int loops; +@@ -1013,7 +1025,7 @@ static int tg3_writephy(struct tg3 *tp, + udelay(80); + } + +- frame_val = ((tp->phy_addr << MI_COM_PHY_ADDR_SHIFT) & ++ 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); +@@ -1046,6 +1058,11 @@ static int tg3_writephy(struct tg3 *tp, + return ret; + } + ++static int tg3_writephy(struct tg3 *tp, int reg, u32 val) ++{ ++ return __tg3_writephy(tp, tp->phy_addr, reg, val); ++} ++ + static int tg3_phy_cl45_write(struct tg3 *tp, u32 devad, u32 addr, u32 val) + { + int err; +@@ -1608,6 +1625,11 @@ static int tg3_poll_fw(struct tg3 *tp) + int i; + u32 val; + ++ if (tg3_flag(tp, IS_SSB_CORE)) { ++ /* We don't use firmware. */ ++ return 0; ++ } ++ + if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) { + /* Wait up to 20ms for init done. */ + for (i = 0; i < 200; i++) { +@@ -3015,6 +3037,11 @@ static int tg3_halt_cpu(struct tg3 *tp, + tw32_f(offset + CPU_MODE, CPU_MODE_HALT); + udelay(10); + } else { ++ /* There is only an Rx CPU for the 5750 derivative in the ++ * BCM4785. */ ++ if (tg3_flag(tp, IS_SSB_CORE)) ++ return 0; ++ + for (i = 0; i < 10000; i++) { + tw32(offset + CPU_STATE, 0xffffffff); + tw32(offset + CPU_MODE, CPU_MODE_HALT); +@@ -3029,9 +3056,12 @@ static int tg3_halt_cpu(struct tg3 *tp, + return -ENODEV; + } + +- /* Clear firmware's nvram arbitration. */ +- if (tg3_flag(tp, NVRAM)) +- tw32(NVRAM_SWARB, SWARB_REQ_CLR0); ++ if (!tg3_flag(tp, IS_SSB_CORE)) { ++ /* Clear firmware's nvram arbitration. */ ++ if (tg3_flag(tp, NVRAM)) ++ tw32(NVRAM_SWARB, SWARB_REQ_CLR0); ++ } ++ + return 0; + } + +@@ -3094,6 +3124,11 @@ static int tg3_load_5701_a0_firmware_fix + const __be32 *fw_data; + int err, i; + ++ if (tg3_flag(tp, IS_SSB_CORE)) { ++ /* We don't use firmware. */ ++ return 0; ++ } ++ + fw_data = (void *)tp->fw->data; + + /* Firmware blob starts with version numbers, followed by +@@ -3150,6 +3185,11 @@ static int tg3_load_tso_firmware(struct + unsigned long cpu_base, cpu_scratch_base, cpu_scratch_size; + int err, i; + ++ if (tg3_flag(tp, IS_SSB_CORE)) { ++ /* We don't use firmware. */ ++ return 0; ++ } ++ + if (tg3_flag(tp, HW_TSO_1) || + tg3_flag(tp, HW_TSO_2) || + tg3_flag(tp, HW_TSO_3)) +@@ -3496,8 +3536,9 @@ static int tg3_power_down_prepare(struct + tg3_frob_aux_power(tp, true); + + /* Workaround for unstable PLL clock */ +- if ((GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_AX) || +- (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_BX)) { ++ if ((!tg3_flag(tp, IS_SSB_CORE)) && ++ ((GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_AX) || ++ (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_BX))) { + u32 val = tr32(0x7d00); + + val &= ~((1 << 16) | (1 << 4) | (1 << 2) | (1 << 1) | 1); +@@ -4011,6 +4052,14 @@ relink: + if (current_link_up == 0 || (tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER)) { + tg3_phy_copper_begin(tp); + ++ if (tg3_flag(tp, ROBOSWITCH)) { ++ current_link_up = 1; ++ current_speed = SPEED_1000; /* FIXME */ ++ current_duplex = DUPLEX_FULL; ++ tp->link_config.active_speed = current_speed; ++ tp->link_config.active_duplex = current_duplex; ++ } ++ + tg3_readphy(tp, MII_BMSR, &bmsr); + if ((!tg3_readphy(tp, MII_BMSR, &bmsr) && (bmsr & BMSR_LSTATUS)) || + (tp->mac_mode & MAC_MODE_PORT_INT_LPBACK)) +@@ -4029,6 +4078,26 @@ relink: + else + tp->mac_mode |= MAC_MODE_PORT_MODE_GMII; + ++ /* In order for the 5750 core in BCM4785 chip to work properly ++ * in RGMII mode, the Led Control Register must be set up. ++ */ ++ if (tg3_flag(tp, RGMII_MODE)) { ++ u32 led_ctrl = tr32(MAC_LED_CTRL); ++ led_ctrl &= ~(LED_CTRL_1000MBPS_ON | LED_CTRL_100MBPS_ON); ++ ++ if (tp->link_config.active_speed == SPEED_10) ++ led_ctrl |= LED_CTRL_LNKLED_OVERRIDE; ++ else if (tp->link_config.active_speed == SPEED_100) ++ led_ctrl |= (LED_CTRL_LNKLED_OVERRIDE | ++ LED_CTRL_100MBPS_ON); ++ else if (tp->link_config.active_speed == SPEED_1000) ++ led_ctrl |= (LED_CTRL_LNKLED_OVERRIDE | ++ LED_CTRL_1000MBPS_ON); ++ ++ tw32(MAC_LED_CTRL, led_ctrl); ++ udelay(40); ++ } ++ + tp->mac_mode &= ~MAC_MODE_HALF_DUPLEX; + if (tp->link_config.active_duplex == DUPLEX_HALF) + tp->mac_mode |= MAC_MODE_HALF_DUPLEX; +@@ -7833,6 +7902,14 @@ static int tg3_chip_reset(struct tg3 *tp + tw32(0x5000, 0x400); + } + ++ if (tg3_flag(tp, IS_SSB_CORE)) { ++ /* BCM4785: In order to avoid repercussions from using ++ * potentially defective internal ROM, stop the Rx RISC CPU, ++ * which is not required. */ ++ tg3_stop_fw(tp); ++ tg3_halt_cpu(tp, RX_CPU_BASE); ++ } ++ + tw32(GRC_MODE, tp->grc_mode); + + if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A0) { +@@ -9247,6 +9324,11 @@ static void tg3_timer(unsigned long __op + tg3_flag(tp, 57765_CLASS)) + tg3_chk_missed_msi(tp); + ++ if (tg3_flag(tp, FLUSH_POSTED_WRITES)) { ++ /* BCM4785: Flush posted writes from GbE to host memory. */ ++ tr32(HOSTCC_MODE); ++ } ++ + if (!tg3_flag(tp, TAGGED_STATUS)) { + /* All of this garbage is because when using non-tagged + * IRQ status the mailbox/status_block protocol the chip +@@ -10959,6 +11041,11 @@ static int tg3_test_nvram(struct tg3 *tp + if (tg3_flag(tp, NO_NVRAM)) + return 0; + ++ if (tg3_flag(tp, IS_SSB_CORE)) { ++ /* We don't have NVRAM. */ ++ return 0; ++ } ++ + if (tg3_nvram_read(tp, 0, &magic) != 0) + return -EIO; + +@@ -11916,11 +12003,12 @@ static int tg3_ioctl(struct net_device * + if (tp->phy_flags & TG3_PHYFLG_PHY_SERDES) + break; /* We have no PHY */ + +- if (!netif_running(dev)) ++ if (tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER) + return -EAGAIN; + + spin_lock_bh(&tp->lock); +- err = tg3_readphy(tp, data->reg_num & 0x1f, &mii_regval); ++ err = __tg3_readphy(tp, data->phy_id & 0x1f, ++ data->reg_num & 0x1f, &mii_regval); + spin_unlock_bh(&tp->lock); + + data->val_out = mii_regval; +@@ -11932,11 +12020,12 @@ static int tg3_ioctl(struct net_device * + if (tp->phy_flags & TG3_PHYFLG_PHY_SERDES) + break; /* We have no PHY */ + +- if (!netif_running(dev)) ++ if (tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER) + return -EAGAIN; + + spin_lock_bh(&tp->lock); +- err = tg3_writephy(tp, data->reg_num & 0x1f, data->val_in); ++ err = __tg3_writephy(tp, data->phy_id & 0x1f, ++ data->reg_num & 0x1f, data->val_in); + spin_unlock_bh(&tp->lock); + + return err; +@@ -12670,6 +12759,13 @@ static void __devinit tg3_get_5720_nvram + /* Chips other than 5700/5701 use the NVRAM for fetching info. */ + static void __devinit tg3_nvram_init(struct tg3 *tp) + { ++ if (tg3_flag(tp, IS_SSB_CORE)) { ++ /* No NVRAM and EEPROM on the SSB Broadcom GigE core. */ ++ tg3_flag_clear(tp, NVRAM); ++ tg3_flag_clear(tp, NVRAM_BUFFERED); ++ return; ++ } ++ + tw32_f(GRC_EEPROM_ADDR, + (EEPROM_ADDR_FSM_RESET | + (EEPROM_DEFAULT_CLOCK_PERIOD << +@@ -12936,6 +13032,9 @@ static int tg3_nvram_write_block(struct + { + int ret; + ++ if (tg3_flag(tp, IS_SSB_CORE)) ++ return -ENODEV; ++ + if (tg3_flag(tp, EEPROM_WRITE_PROT)) { + tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl & + ~GRC_LCLCTRL_GPIO_OUTPUT1); +@@ -13394,10 +13493,19 @@ static int __devinit tg3_phy_probe(struc + * subsys device table. + */ + p = tg3_lookup_by_subsys(tp); +- if (!p) ++ if (p) { ++ tp->phy_id = p->phy_id; ++ } else if (!tg3_flag(tp, IS_SSB_CORE)) { ++ /* For now we saw the IDs 0xbc050cd0, ++ * 0xbc050f80 and 0xbc050c30 on devices ++ * connected to an BCM4785 and there are ++ * probably more. Just assume that the phy is ++ * supported when it is connected to a SSB core ++ * for now. ++ */ + return -ENODEV; ++ } + +- tp->phy_id = p->phy_id; + if (!tp->phy_id || + tp->phy_id == TG3_PHY_ID_BCM8002) + tp->phy_flags |= TG3_PHYFLG_PHY_SERDES; +@@ -14382,6 +14490,11 @@ static int __devinit tg3_get_invariants( + } + } + ++ if (tg3_flag(tp, FLUSH_POSTED_WRITES)) { ++ tp->write32_tx_mbox = tg3_write_flush_reg32; ++ tp->write32_rx_mbox = tg3_write_flush_reg32; ++ } ++ + /* Get eeprom hw config before calling tg3_set_power_state(). + * In particular, the TG3_FLAG_IS_NIC flag must be + * determined before calling tg3_set_power_state() so that +@@ -14798,6 +14911,10 @@ static int __devinit tg3_get_device_addr + } + + if (!is_valid_ether_addr(&dev->dev_addr[0])) { ++ if (tg3_flag(tp, IS_SSB_CORE)) ++ ssb_gige_get_macaddr(tp->pdev, &dev->dev_addr[0]); ++ } ++ if (!is_valid_ether_addr(&dev->dev_addr[0])) { + #ifdef CONFIG_SPARC + if (!tg3_get_default_macaddr_sparc(tp)) + return 0; +@@ -15082,7 +15199,8 @@ static int __devinit tg3_test_dma(struct + if (tg3_flag(tp, 40BIT_DMA_BUG) && + GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) + tp->dma_rwctrl |= 0x8000; +- else if (ccval == 0x6 || ccval == 0x7) ++ else if ((ccval == 0x6 || ccval == 0x7) || ++ tg3_flag(tp, ONE_DMA_AT_ONCE)) + tp->dma_rwctrl |= DMA_RWCTRL_ONE_DMA; + + if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703) +@@ -15506,6 +15624,17 @@ static int __devinit tg3_init_one(struct + tp->msg_enable = tg3_debug; + else + tp->msg_enable = TG3_DEF_MSG_ENABLE; ++ if (pdev_is_ssb_gige_core(pdev)) { ++ tg3_flag_set(tp, IS_SSB_CORE); ++ if (ssb_gige_must_flush_posted_writes(pdev)) ++ tg3_flag_set(tp, FLUSH_POSTED_WRITES); ++ if (ssb_gige_one_dma_at_once(pdev)) ++ tg3_flag_set(tp, ONE_DMA_AT_ONCE); ++ if (ssb_gige_have_roboswitch(pdev)) ++ tg3_flag_set(tp, ROBOSWITCH); ++ if (ssb_gige_is_rgmii(pdev)) ++ tg3_flag_set(tp, RGMII_MODE); ++ } + + /* The word/byte swap controls here control register access byte + * swapping. DMA data byte swapping is controlled in the GRC_MODE +--- a/drivers/net/ethernet/broadcom/tg3.h ++++ b/drivers/net/ethernet/broadcom/tg3.h +@@ -2940,6 +2940,11 @@ enum TG3_FLAGS { + TG3_FLAG_57765_PLUS, + TG3_FLAG_57765_CLASS, + TG3_FLAG_5717_PLUS, ++ TG3_FLAG_IS_SSB_CORE, ++ TG3_FLAG_FLUSH_POSTED_WRITES, ++ TG3_FLAG_ROBOSWITCH, ++ TG3_FLAG_ONE_DMA_AT_ONCE, ++ TG3_FLAG_RGMII_MODE, + + /* Add new flags before this comment and TG3_FLAG_NUMBER_OF_FLAGS */ + TG3_FLAG_NUMBER_OF_FLAGS, /* Last entry in enum TG3_FLAGS */ +--- a/include/linux/pci_ids.h ++++ b/include/linux/pci_ids.h +@@ -2120,6 +2120,7 @@ + #define PCI_DEVICE_ID_TIGON3_5754M 0x1672 + #define PCI_DEVICE_ID_TIGON3_5755M 0x1673 + #define PCI_DEVICE_ID_TIGON3_5756 0x1674 ++#define PCI_DEVICE_ID_TIGON3_5750 0x1676 + #define PCI_DEVICE_ID_TIGON3_5751 0x1677 + #define PCI_DEVICE_ID_TIGON3_5715 0x1678 + #define PCI_DEVICE_ID_TIGON3_5715S 0x1679 +--- a/include/linux/ssb/ssb_driver_gige.h ++++ b/include/linux/ssb/ssb_driver_gige.h +@@ -97,21 +97,12 @@ static inline bool ssb_gige_must_flush_p + return 0; + } + +-#ifdef CONFIG_BCM47XX +-#include <asm/mach-bcm47xx/nvram.h> +-/* Get the device MAC address */ +-static inline void ssb_gige_get_macaddr(struct pci_dev *pdev, u8 *macaddr) +-{ +- char buf[20]; +- if (nvram_getenv("et0macaddr", buf, sizeof(buf)) < 0) +- return; +- nvram_parse_macaddr(buf, macaddr); +-} +-#else + static inline void ssb_gige_get_macaddr(struct pci_dev *pdev, u8 *macaddr) + { ++ struct ssb_gige *dev = pdev_to_ssb_gige(pdev); ++ ++ memcpy(macaddr, dev->dev->bus->sprom.et0mac, 6); + } +-#endif + + extern int ssb_gige_pcibios_plat_dev_init(struct ssb_device *sdev, + struct pci_dev *pdev); +@@ -175,6 +166,9 @@ static inline bool ssb_gige_must_flush_p + { + return 0; + } ++static inline void ssb_gige_get_macaddr(struct pci_dev *pdev, u8 *macaddr) ++{ ++} + + #endif /* CONFIG_SSB_DRIVER_GIGE */ + #endif /* LINUX_SSB_DRIVER_GIGE_H_ */ |