From 445e77fdb52e04aefd492ab9c16d9ca43374309a Mon Sep 17 00:00:00 2001 From: Florian Fainelli Date: Thu, 6 Dec 2012 22:40:31 +0000 Subject: [PATCH] patch the tulip driver to accept a platform variant Isolate the PCI specific parts and group them under CONFIG_TULIP_PCI CONFIG_TULIP_PLATFORM can be enabled for a platform style Tulip driver. Signed-off-by: Florian Fainelli SVN-Revision: 34557 --- target/linux/adm8668/config-3.3 | 11 + .../adm8668/files/arch/mips/adm8668/Makefile | 1 - .../patches-3.3/004-tulip_pci_split.patch | 407 ++++++++++++++++ .../patches-3.3/005-tulip_platform.patch | 451 ++++++++++++++++++ 4 files changed, 869 insertions(+), 1 deletion(-) create mode 100644 target/linux/adm8668/patches-3.3/004-tulip_pci_split.patch create mode 100644 target/linux/adm8668/patches-3.3/005-tulip_platform.patch diff --git a/target/linux/adm8668/config-3.3 b/target/linux/adm8668/config-3.3 index a354495cba..b365db19ad 100644 --- a/target/linux/adm8668/config-3.3 +++ b/target/linux/adm8668/config-3.3 @@ -20,7 +20,10 @@ CONFIG_CPU_SUPPORTS_32BIT_KERNEL=y CONFIG_CPU_SUPPORTS_HIGHMEM=y CONFIG_CSRC_R4K=y CONFIG_CSRC_R4K_LIB=y +# CONFIG_DE2104X is not set +# CONFIG_DE4X5 is not set CONFIG_DECOMPRESS_LZMA=y +# CONFIG_DM9102 is not set CONFIG_DMA_NONCOHERENT=y CONFIG_EARLY_PRINTK=y CONFIG_EEPROM_93CX6=m @@ -64,6 +67,7 @@ CONFIG_MTD_ADM8668_PARTS=y CONFIG_MTD_PHYSMAP=y CONFIG_NEED_DMA_MAP_STATE=y CONFIG_NEED_PER_CPU_KM=y +CONFIG_NET_TULIP=y CONFIG_NO_EXCEPT_FILL=y CONFIG_NO_GENERIC_PCI_IOPORT_MAP=y CONFIG_PAGEFLAGS_EXTENDED=y @@ -84,4 +88,11 @@ CONFIG_SYS_HAS_EARLY_PRINTK=y CONFIG_SYS_SUPPORTS_32BIT_KERNEL=y CONFIG_SYS_SUPPORTS_ARBIT_HZ=y CONFIG_SYS_SUPPORTS_LITTLE_ENDIAN=y +CONFIG_TULIP=y +CONFIG_TULIP_NAPI=y +# CONFIG_TULIP_NAPI_HW_MITIGATION is not set +# CONFIG_TULIP_PCI is not set +CONFIG_TULIP_PLATFORM=y +# CONFIG_ULI526X is not set +# CONFIG_WINBOND_840 is not set CONFIG_ZONE_DMA_FLAG=0 diff --git a/target/linux/adm8668/files/arch/mips/adm8668/Makefile b/target/linux/adm8668/files/arch/mips/adm8668/Makefile index e443f68663..e8f6d6bf22 100644 --- a/target/linux/adm8668/files/arch/mips/adm8668/Makefile +++ b/target/linux/adm8668/files/arch/mips/adm8668/Makefile @@ -4,4 +4,3 @@ obj-y := irq.o prom.o platform.o proc.o \ setup.o clock.o time.o early_printk.o \ - net_core.o net_intr.o diff --git a/target/linux/adm8668/patches-3.3/004-tulip_pci_split.patch b/target/linux/adm8668/patches-3.3/004-tulip_pci_split.patch new file mode 100644 index 0000000000..be2e70635a --- /dev/null +++ b/target/linux/adm8668/patches-3.3/004-tulip_pci_split.patch @@ -0,0 +1,407 @@ +--- a/drivers/net/ethernet/dec/tulip/tulip_core.c ++++ b/drivers/net/ethernet/dec/tulip/tulip_core.c +@@ -206,7 +206,7 @@ struct tulip_chip_table tulip_tbl[] = { + + }; + +- ++#ifdef CONFIG_TULIP_PCI + static DEFINE_PCI_DEVICE_TABLE(tulip_pci_tbl) = { + { 0x1011, 0x0009, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DC21140 }, + { 0x1011, 0x0019, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DC21143 }, +@@ -250,7 +250,7 @@ static DEFINE_PCI_DEVICE_TABLE(tulip_pci + { } /* terminate list */ + }; + MODULE_DEVICE_TABLE(pci, tulip_pci_tbl); +- ++#endif + + /* A full-duplex map for media types. */ + const char tulip_media_cap[32] = +@@ -268,11 +268,14 @@ static void tulip_down(struct net_device + static struct net_device_stats *tulip_get_stats(struct net_device *dev); + static int private_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); + static void set_rx_mode(struct net_device *dev); ++#ifdef CONFIG_TULIP_PCI + static void tulip_set_wolopts(struct pci_dev *pdev, u32 wolopts); ++#endif + #ifdef CONFIG_NET_POLL_CONTROLLER + static void poll_tulip(struct net_device *dev); + #endif + ++#ifdef CONFIG_TULIP_PCI + static void tulip_set_power_state (struct tulip_private *tp, + int sleep, int snooze) + { +@@ -289,7 +292,7 @@ static void tulip_set_power_state (struc + } + + } +- ++#endif + + static void tulip_up(struct net_device *dev) + { +@@ -303,6 +306,7 @@ static void tulip_up(struct net_device * + napi_enable(&tp->napi); + #endif + ++#ifdef CONFIG_TULIP_PCI + /* Wake the chip from sleep/snooze mode. */ + tulip_set_power_state (tp, 0, 0); + +@@ -310,6 +314,7 @@ static void tulip_up(struct net_device * + pci_enable_wake(tp->pdev, PCI_D3hot, 0); + pci_enable_wake(tp->pdev, PCI_D3cold, 0); + tulip_set_wolopts(tp->pdev, 0); ++#endif + + /* On some chip revs we must set the MII/SYM port before the reset!? */ + if (tp->mii_cnt || (tp->mtable && tp->mtable->has_mii)) +@@ -317,14 +322,18 @@ static void tulip_up(struct net_device * + + /* Reset the chip, holding bit 0 set at least 50 PCI cycles. */ + iowrite32(0x00000001, ioaddr + CSR0); ++#ifdef CONFIG_TULIP_PCI + pci_read_config_dword(tp->pdev, PCI_COMMAND, ®); /* flush write */ ++#endif + udelay(100); + + /* Deassert reset. + Wait the specified 50 PCI cycles after a reset by initializing + Tx and Rx queues and the address filter list. */ + iowrite32(tp->csr0, ioaddr + CSR0); ++#ifdef CONFIG_TULIP_PCI + pci_read_config_dword(tp->pdev, PCI_COMMAND, ®); /* flush write */ ++#endif + udelay(100); + + if (tulip_debug > 1) +@@ -362,9 +371,11 @@ static void tulip_up(struct net_device * + *setup_frm++ = eaddrs[1]; *setup_frm++ = eaddrs[1]; + *setup_frm++ = eaddrs[2]; *setup_frm++ = eaddrs[2]; + ++#ifdef CONFIG_TULIP_PCI + mapping = pci_map_single(tp->pdev, tp->setup_frame, + sizeof(tp->setup_frame), + PCI_DMA_TODEVICE); ++#endif + tp->tx_buffers[tp->cur_tx].skb = NULL; + tp->tx_buffers[tp->cur_tx].mapping = mapping; + +@@ -642,8 +653,10 @@ static void tulip_init_ring(struct net_d + tp->rx_buffers[i].skb = skb; + if (skb == NULL) + break; ++#ifdef CONFIG_TULIP_PCI + mapping = pci_map_single(tp->pdev, skb->data, + PKT_BUF_SZ, PCI_DMA_FROMDEVICE); ++#endif + tp->rx_buffers[i].mapping = mapping; + skb->dev = dev; /* Mark as being used by this device. */ + tp->rx_ring[i].status = cpu_to_le32(DescOwned); /* Owned by Tulip chip */ +@@ -677,8 +690,10 @@ tulip_start_xmit(struct sk_buff *skb, st + entry = tp->cur_tx % TX_RING_SIZE; + + tp->tx_buffers[entry].skb = skb; ++#ifdef CONFIG_TULIP_PCI + mapping = pci_map_single(tp->pdev, skb->data, + skb->len, PCI_DMA_TODEVICE); ++#endif + tp->tx_buffers[entry].mapping = mapping; + tp->tx_ring[entry].buffer1 = cpu_to_le32(mapping); + +@@ -729,16 +744,19 @@ static void tulip_clean_tx_ring(struct t + if (tp->tx_buffers[entry].skb == NULL) { + /* test because dummy frames not mapped */ + if (tp->tx_buffers[entry].mapping) ++#ifdef CONFIG_TULIP_PCI + pci_unmap_single(tp->pdev, + tp->tx_buffers[entry].mapping, + sizeof(tp->setup_frame), + PCI_DMA_TODEVICE); ++#endif + continue; + } +- ++#ifdef CONFIG_TULIP_PCI + pci_unmap_single(tp->pdev, tp->tx_buffers[entry].mapping, + tp->tx_buffers[entry].skb->len, + PCI_DMA_TODEVICE); ++#endif + + /* Free the original skb. */ + dev_kfree_skb_irq(tp->tx_buffers[entry].skb); +@@ -789,7 +807,9 @@ static void tulip_down (struct net_devic + dev->if_port = tp->saved_if_port; + + /* Leave the driver in snooze, not sleep, mode. */ ++#ifdef CONFIG_TULIP_PCI + tulip_set_power_state (tp, 0, 1); ++#endif + } + + static void tulip_free_ring (struct net_device *dev) +@@ -810,8 +830,10 @@ static void tulip_free_ring (struct net_ + /* An invalid address. */ + tp->rx_ring[i].buffer1 = cpu_to_le32(0xBADF00D0); + if (skb) { ++#ifdef CONFIG_TULIP_PCI + pci_unmap_single(tp->pdev, mapping, PKT_BUF_SZ, + PCI_DMA_FROMDEVICE); ++#endif + dev_kfree_skb (skb); + } + } +@@ -820,8 +842,10 @@ static void tulip_free_ring (struct net_ + struct sk_buff *skb = tp->tx_buffers[i].skb; + + if (skb != NULL) { ++#ifdef CONFIG_TULIP_PCI + pci_unmap_single(tp->pdev, tp->tx_buffers[i].mapping, + skb->len, PCI_DMA_TODEVICE); ++#endif + dev_kfree_skb (skb); + } + tp->tx_buffers[i].skb = NULL; +@@ -873,7 +897,9 @@ static void tulip_get_drvinfo(struct net + struct tulip_private *np = netdev_priv(dev); + strlcpy(info->driver, DRV_NAME, sizeof(info->driver)); + strlcpy(info->version, DRV_VERSION, sizeof(info->version)); ++#ifdef CONFIG_TULIP_PCI + strlcpy(info->bus_info, pci_name(np->pdev), sizeof(info->bus_info)); ++#endif + } + + +@@ -886,7 +912,9 @@ static int tulip_ethtool_set_wol(struct + return -EOPNOTSUPP; + + tp->wolinfo.wolopts = wolinfo->wolopts; ++#ifdef CONFIG_TULIP_PCI + device_set_wakeup_enable(&tp->pdev->dev, tp->wolinfo.wolopts); ++#endif + return 0; + } + +@@ -1167,9 +1195,11 @@ static void set_rx_mode(struct net_devic + + tp->tx_buffers[entry].skb = NULL; + tp->tx_buffers[entry].mapping = ++#ifdef CONFIG_TULIP_PCI + pci_map_single(tp->pdev, tp->setup_frame, + sizeof(tp->setup_frame), + PCI_DMA_TODEVICE); ++#endif + /* Put the setup frame on the Tx list. */ + if (entry == TX_RING_SIZE-1) + tx_flags |= DESC_RING_WRAP; /* Wrap ring. */ +@@ -1267,19 +1297,22 @@ out: + netdev_dbg(dev, "MWI config cacheline=%d, csr0=%08x\n", + cache, csr0); + } +-#endif + + /* + * Chips that have the MRM/reserved bit quirk and the burst quirk. That + * is the DM910X and the on chip ULi devices + */ ++#endif + ++#ifdef CONFIG_TULIP_PCI + static int tulip_uli_dm_quirk(struct pci_dev *pdev) + { + if (pdev->vendor == 0x1282 && pdev->device == 0x9102) + return 1; + return 0; + } ++#endif ++ + + static const struct net_device_ops tulip_netdev_ops = { + .ndo_open = tulip_open, +@@ -1297,6 +1330,7 @@ static const struct net_device_ops tulip + #endif + }; + ++#ifdef CONFIG_TULIP_PCI + DEFINE_PCI_DEVICE_TABLE(early_486_chipsets) = { + { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82424) }, + { PCI_DEVICE(PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_496) }, +@@ -1814,6 +1848,7 @@ err_out_free_netdev: + } + + ++#ifdef CONFIG_TULIP_PCI + /* set the registers according to the given wolopts */ + static void tulip_set_wolopts (struct pci_dev *pdev, u32 wolopts) + { +@@ -1842,6 +1877,7 @@ static void tulip_set_wolopts (struct pc + iowrite32(tmp, ioaddr + CSR13); + } + } ++#endif + + #ifdef CONFIG_PM + +@@ -1953,6 +1989,7 @@ static void __devexit tulip_remove_one ( + + /* pci_power_off (pdev, -1); */ + } ++#endif /* CONFIG_TULIP_PCI */ + + #ifdef CONFIG_NET_POLL_CONTROLLER + /* +@@ -1971,7 +2008,8 @@ static void poll_tulip (struct net_devic + } + #endif + +-static struct pci_driver tulip_driver = { ++#ifdef CONFIG_TULIP_PCI ++static struct pci_driver tulip_pci_driver = { + .name = DRV_NAME, + .id_table = tulip_pci_tbl, + .probe = tulip_init_one, +@@ -1981,10 +2019,12 @@ static struct pci_driver tulip_driver = + .resume = tulip_resume, + #endif /* CONFIG_PM */ + }; ++#endif + + + static int __init tulip_init (void) + { ++ int ret = 0; + #ifdef MODULE + pr_info("%s", version); + #endif +@@ -1994,13 +2034,18 @@ static int __init tulip_init (void) + tulip_max_interrupt_work = max_interrupt_work; + + /* probe for and init boards */ +- return pci_register_driver(&tulip_driver); ++#ifdef CONFIG_TULIP_PCI ++ ret = pci_register_driver(&tulip_pci_driver); ++#endif ++ return ret; + } + + + static void __exit tulip_cleanup (void) + { +- pci_unregister_driver (&tulip_driver); ++#ifdef CONFIG_TULIP_PCI ++ pci_unregister_driver (&tulip_pci_driver); ++#endif + } + + +--- a/drivers/net/ethernet/dec/tulip/interrupt.c ++++ b/drivers/net/ethernet/dec/tulip/interrupt.c +@@ -72,9 +72,10 @@ int tulip_refill_rx(struct net_device *d + skb = tp->rx_buffers[entry].skb = dev_alloc_skb(PKT_BUF_SZ); + if (skb == NULL) + break; +- ++#ifdef CONFIG_TULIP_PCI + mapping = pci_map_single(tp->pdev, skb->data, PKT_BUF_SZ, + PCI_DMA_FROMDEVICE); ++#endif + tp->rx_buffers[entry].mapping = mapping; + + skb->dev = dev; /* Mark as being used by this device. */ +@@ -204,9 +205,11 @@ int tulip_poll(struct napi_struct *napi, + if (pkt_len < tulip_rx_copybreak && + (skb = dev_alloc_skb(pkt_len + 2)) != NULL) { + skb_reserve(skb, 2); /* 16 byte align the IP header */ ++#ifdef CONFIG_TULIP_PCI + pci_dma_sync_single_for_cpu(tp->pdev, + tp->rx_buffers[entry].mapping, + pkt_len, PCI_DMA_FROMDEVICE); ++#endif + #if ! defined(__alpha__) + skb_copy_to_linear_data(skb, tp->rx_buffers[entry].skb->data, + pkt_len); +@@ -216,9 +219,11 @@ int tulip_poll(struct napi_struct *napi, + tp->rx_buffers[entry].skb->data, + pkt_len); + #endif ++#ifdef CONFIG_TULIP_PCI + pci_dma_sync_single_for_device(tp->pdev, + tp->rx_buffers[entry].mapping, + pkt_len, PCI_DMA_FROMDEVICE); ++#endif + } else { /* Pass up the skb already on the Rx ring. */ + char *temp = skb_put(skb = tp->rx_buffers[entry].skb, + pkt_len); +@@ -233,9 +238,10 @@ int tulip_poll(struct napi_struct *napi, + skb->head, temp); + } + #endif +- ++#ifdef CONFIG_TULIP_PCI + pci_unmap_single(tp->pdev, tp->rx_buffers[entry].mapping, + PKT_BUF_SZ, PCI_DMA_FROMDEVICE); ++#endif + + tp->rx_buffers[entry].skb = NULL; + tp->rx_buffers[entry].mapping = 0; +@@ -591,10 +597,12 @@ irqreturn_t tulip_interrupt(int irq, voi + if (tp->tx_buffers[entry].skb == NULL) { + /* test because dummy frames not mapped */ + if (tp->tx_buffers[entry].mapping) ++#ifdef CONFIG_TULIP_PCI + pci_unmap_single(tp->pdev, + tp->tx_buffers[entry].mapping, + sizeof(tp->setup_frame), + PCI_DMA_TODEVICE); ++#endif + continue; + } + +@@ -622,10 +630,11 @@ irqreturn_t tulip_interrupt(int irq, voi + dev->stats.collisions += (status >> 3) & 15; + dev->stats.tx_packets++; + } +- ++#ifdef CONFIG_TULIP_PCI + pci_unmap_single(tp->pdev, tp->tx_buffers[entry].mapping, + tp->tx_buffers[entry].skb->len, + PCI_DMA_TODEVICE); ++#endif + + /* Free the original skb. */ + dev_kfree_skb_irq(tp->tx_buffers[entry].skb); +--- a/drivers/net/ethernet/dec/tulip/Kconfig ++++ b/drivers/net/ethernet/dec/tulip/Kconfig +@@ -40,8 +40,12 @@ config DE2104X_DSL + Default is 0, and range is 0 to 31. + + config TULIP ++ tristate ++ ++config TULIP_PCI + tristate "DECchip Tulip (dc2114x) PCI support" + depends on PCI ++ select TULIP + select CRC32 + ---help--- + This driver is developed for the SMC EtherPower series Ethernet +@@ -58,7 +62,7 @@ config TULIP + + config TULIP_MWI + bool "New bus configuration (EXPERIMENTAL)" +- depends on TULIP && EXPERIMENTAL ++ depends on TULIP_PCI && EXPERIMENTAL + ---help--- + This configures your Tulip card specifically for the card and + system cache line size type you are using. +@@ -69,7 +73,7 @@ config TULIP_MWI + + config TULIP_MMIO + bool "Use PCI shared mem for NIC registers" +- depends on TULIP ++ depends on TULIP_PCI + ---help--- + Use PCI shared memory for the NIC registers, rather than going through + the Tulip's PIO (programmed I/O ports). Faster, but could produce diff --git a/target/linux/adm8668/patches-3.3/005-tulip_platform.patch b/target/linux/adm8668/patches-3.3/005-tulip_platform.patch new file mode 100644 index 0000000000..c9aa5e5813 --- /dev/null +++ b/target/linux/adm8668/patches-3.3/005-tulip_platform.patch @@ -0,0 +1,451 @@ +--- a/drivers/net/ethernet/dec/tulip/Kconfig ++++ b/drivers/net/ethernet/dec/tulip/Kconfig +@@ -60,6 +60,14 @@ config TULIP_PCI + To compile this driver as a module, choose M here. The module will + be called tulip. + ++config TULIP_PLATFORM ++ tristate "DECchip Tulip (dc2114x) Platform support" ++ depends on HAS_IOMEM ++ select TULIP ++ select CRC32 ++ ---help--- ++ This driver is for the platform variant. ++ + config TULIP_MWI + bool "New bus configuration (EXPERIMENTAL)" + depends on TULIP_PCI && EXPERIMENTAL +--- a/drivers/net/ethernet/dec/tulip/tulip_core.c ++++ b/drivers/net/ethernet/dec/tulip/tulip_core.c +@@ -27,6 +27,8 @@ + #include + #include + #include ++#include ++#include + #include + #include + #include +@@ -204,6 +206,9 @@ struct tulip_chip_table tulip_tbl[] = { + { "Conexant LANfinity", 256, 0x0001ebef, + HAS_MII | HAS_ACPI, tulip_timer, tulip_media_task }, + ++ { "Infineon ADM8668", 256, 0x0001a451, ++ MC_HASH_ONLY | COMET_MAC_ADDR, tulip_timer, tulip_media_task, }, ++ + }; + + #ifdef CONFIG_TULIP_PCI +@@ -395,6 +400,7 @@ static void tulip_up(struct net_device * + i = 0; + if (tp->mtable == NULL) + goto media_picked; ++ + if (dev->if_port) { + int looking_for = tulip_media_cap[dev->if_port] & MediaIsMII ? 11 : + (dev->if_port == 12 ? 0 : dev->if_port); +@@ -488,6 +494,10 @@ media_picked: + iowrite32(ioread32(ioaddr + 0x88) | 1, ioaddr + 0x88); + dev->if_port = tp->mii_cnt ? 11 : 0; + tp->csr6 = 0x00040000; ++ } else if (tp->chip_id == ADM8668) { ++ /* Enable automatic Tx underrun recovery. */ ++ iowrite32(ioread32(ioaddr + 0x88) | 1, ioaddr + 0x88); ++ tp->csr6 = 0x00040000; + } else if (tp->chip_id == AX88140) { + tp->csr6 = tp->mii_cnt ? 0x00040100 : 0x00000100; + } else +@@ -657,6 +667,10 @@ static void tulip_init_ring(struct net_d + mapping = pci_map_single(tp->pdev, skb->data, + PKT_BUF_SZ, PCI_DMA_FROMDEVICE); + #endif ++#ifdef CONFIG_TULIP_PLATFORM ++ mapping = dma_map_single(&tp->pldev->dev, skb->data, ++ PKT_BUF_SZ, DMA_FROM_DEVICE); ++#endif + tp->rx_buffers[i].mapping = mapping; + skb->dev = dev; /* Mark as being used by this device. */ + tp->rx_ring[i].status = cpu_to_le32(DescOwned); /* Owned by Tulip chip */ +@@ -694,6 +708,11 @@ tulip_start_xmit(struct sk_buff *skb, st + mapping = pci_map_single(tp->pdev, skb->data, + skb->len, PCI_DMA_TODEVICE); + #endif ++#ifdef CONFIG_TULIP_PLATFORM ++ mapping = dma_map_single(&tp->pldev->dev, skb->data, ++ skb->len, ++ DMA_TO_DEVICE); ++#endif + tp->tx_buffers[entry].mapping = mapping; + tp->tx_ring[entry].buffer1 = cpu_to_le32(mapping); + +@@ -757,6 +776,11 @@ static void tulip_clean_tx_ring(struct t + tp->tx_buffers[entry].skb->len, + PCI_DMA_TODEVICE); + #endif ++#ifdef CONFIG_TULIP_PLATFORM ++ dma_unmap_single(&tp->pldev->dev, tp->tx_buffers[entry].mapping, ++ tp->tx_buffers[entry].skb->len, ++ DMA_TO_DEVICE); ++#endif + + /* Free the original skb. */ + dev_kfree_skb_irq(tp->tx_buffers[entry].skb); +@@ -834,6 +858,10 @@ static void tulip_free_ring (struct net_ + pci_unmap_single(tp->pdev, mapping, PKT_BUF_SZ, + PCI_DMA_FROMDEVICE); + #endif ++#ifdef CONFIG_TULIP_PLATFORM ++ dma_unmap_single(&tp->pldev->dev, mapping, PKT_BUF_SZ, ++ DMA_FROM_DEVICE); ++#endif + dev_kfree_skb (skb); + } + } +@@ -846,6 +874,10 @@ static void tulip_free_ring (struct net_ + pci_unmap_single(tp->pdev, tp->tx_buffers[i].mapping, + skb->len, PCI_DMA_TODEVICE); + #endif ++#ifdef CONFIG_TULIP_PLATFORM ++ dma_unmap_single(&tp->pldev->dev, tp->tx_buffers[i].mapping, ++ skb->len, DMA_TO_DEVICE); ++#endif + dev_kfree_skb (skb); + } + tp->tx_buffers[i].skb = NULL; +@@ -900,6 +932,9 @@ static void tulip_get_drvinfo(struct net + #ifdef CONFIG_TULIP_PCI + strlcpy(info->bus_info, pci_name(np->pdev), sizeof(info->bus_info)); + #endif ++#ifdef CONFIG_TULIP_PLATFORM ++ strlcpy(info->bus_info, "platform", sizeof(info->bus_info)); ++#endif + } + + +@@ -915,6 +950,9 @@ static int tulip_ethtool_set_wol(struct + #ifdef CONFIG_TULIP_PCI + device_set_wakeup_enable(&tp->pdev->dev, tp->wolinfo.wolopts); + #endif ++#ifdef CONFIG_TULIP_PLATFORM ++ device_set_wakeup_enable(&tp->pldev->dev, tp->wolinfo.wolopts); ++#endif + return 0; + } + +@@ -1193,9 +1231,9 @@ static void set_rx_mode(struct net_devic + + } + ++#ifdef CONFIG_TULIP_PCI + tp->tx_buffers[entry].skb = NULL; + tp->tx_buffers[entry].mapping = +-#ifdef CONFIG_TULIP_PCI + pci_map_single(tp->pdev, tp->setup_frame, + sizeof(tp->setup_frame), + PCI_DMA_TODEVICE); +@@ -1219,6 +1257,9 @@ static void set_rx_mode(struct net_devic + spin_unlock_irqrestore(&tp->lock, flags); + } + ++ if (tp->chip_id == ADM8668) ++ csr6 |= (1 << 9); /* force 100Mbps full duplex */ ++ + iowrite32(csr6, ioaddr + CSR6); + } + +@@ -1991,6 +2032,124 @@ static void __devexit tulip_remove_one ( + } + #endif /* CONFIG_TULIP_PCI */ + ++#ifdef CONFIG_TULIP_PLATFORM ++static int __devinit tulip_probe(struct platform_device *pdev) ++{ ++ struct tulip_private *tp; ++ struct tulip_platform_data *pdata; ++ struct net_device *dev; ++ struct resource *res; ++ void __iomem *ioaddr; ++ int irq; ++ ++ if (pdev->id < 0 || pdev->id >= MAX_UNITS) ++ return -EINVAL; ++ ++ if (!(res = platform_get_resource(pdev, IORESOURCE_IRQ, 0))) ++ return -ENODEV; ++ irq = res->start; ++ if (!(res = platform_get_resource(pdev, IORESOURCE_MEM, 0))) ++ return -ENODEV; ++ if (!(ioaddr = ioremap(res->start, res->end - res->start))) ++ return -ENODEV; ++ ++ pdata = pdev->dev.platform_data; ++ if (!pdata) ++ return -ENODEV; ++ ++ if (!(dev = alloc_etherdev(sizeof (*tp)))) ++ return -ENOMEM; ++ ++ /* setup net dev */ ++ dev->base_addr = (unsigned long)res->start; ++ dev->irq = irq; ++ SET_NETDEV_DEV(dev, &pdev->dev); ++ ++ /* tulip private struct */ ++ tp = netdev_priv(dev); ++ tp->dev = dev; ++ tp->base_addr = ioaddr; ++ tp->csr0 = 0; ++ tp->pldev = pdev; ++ tp->rx_ring = dma_alloc_coherent(&pdev->dev, ++ sizeof(struct tulip_rx_desc) * RX_RING_SIZE + ++ sizeof(struct tulip_tx_desc) * TX_RING_SIZE, ++ &tp->rx_ring_dma, GFP_KERNEL); ++ if (!tp->rx_ring) ++ return -ENODEV; ++ tp->tx_ring = (struct tulip_tx_desc *)(tp->rx_ring + RX_RING_SIZE); ++ tp->tx_ring_dma = tp->rx_ring_dma + sizeof(struct tulip_rx_desc) * RX_RING_SIZE; ++ ++ tp->chip_id = pdata->chip_id; ++ tp->flags = tulip_tbl[tp->chip_id].flags; ++ ++ spin_lock_init(&tp->lock); ++ spin_lock_init(&tp->mii_lock); ++ ++ init_timer(&tp->timer); ++ tp->timer.data = (unsigned long)dev; ++ tp->timer.function = tulip_tbl[tp->chip_id].media_timer; ++ ++ INIT_WORK(&tp->media_work, tulip_tbl[tp->chip_id].media_task); ++ ++ /* Stop the chip's Tx and Rx processes. */ ++ tulip_stop_rxtx(tp); ++ ++ /* Clear the missed-packet counter. */ ++ ioread32(ioaddr + CSR8); ++ ++ if (!is_valid_ether_addr(pdata->mac)) { ++ dev_info(&pdev->dev, "generating random ethernet MAC\n"); ++ random_ether_addr(dev->dev_addr); ++ } else ++ memcpy(dev->dev_addr, pdata->mac, ETH_ALEN); ++ ++ /* The Tulip-specific entries in the device structure. */ ++ dev->netdev_ops = &tulip_netdev_ops; ++ dev->watchdog_timeo = TX_TIMEOUT; ++ netif_napi_add(dev, &tp->napi, tulip_poll, 16); ++ SET_ETHTOOL_OPS(dev, &ops); ++ ++ if (register_netdev(dev)) ++ goto err_out_free_ring; ++ ++ dev_info(&dev->dev, ++ "tulip_platform (%s) at MMIO %#lx %pM, IRQ %d\n", ++ tulip_tbl[tp->chip_id].chip_name, ++ (unsigned long)dev->base_addr, dev->dev_addr, irq); ++ ++ platform_set_drvdata(pdev, dev); ++ return 0; ++ ++err_out_free_ring: ++ dma_free_coherent(&pdev->dev, ++ sizeof (struct tulip_rx_desc) * RX_RING_SIZE + ++ sizeof (struct tulip_tx_desc) * TX_RING_SIZE, ++ tp->rx_ring, tp->rx_ring_dma); ++ return -ENODEV; ++} ++ ++static int __devexit tulip_remove(struct platform_device *pdev) ++{ ++ struct net_device *dev = platform_get_drvdata (pdev); ++ struct tulip_private *tp; ++ ++ if (!dev) ++ return -ENODEV; ++ ++ tp = netdev_priv(dev); ++ unregister_netdev(dev); ++ dma_free_coherent(&pdev->dev, ++ sizeof (struct tulip_rx_desc) * RX_RING_SIZE + ++ sizeof (struct tulip_tx_desc) * TX_RING_SIZE, ++ tp->rx_ring, tp->rx_ring_dma); ++ iounmap(tp->base_addr); ++ free_netdev(dev); ++ platform_set_drvdata(pdev, NULL); ++ return 0; ++} ++#endif ++ + #ifdef CONFIG_NET_POLL_CONTROLLER + /* + * Polling 'interrupt' - used by things like netconsole to send skbs +@@ -2021,6 +2180,17 @@ static struct pci_driver tulip_pci_drive + }; + #endif + ++#ifdef CONFIG_TULIP_PLATFORM ++static struct platform_driver tulip_platform_driver = { ++ .probe = tulip_probe, ++ .remove = __devexit_p(tulip_remove), ++ .driver = { ++ .owner = THIS_MODULE, ++ .name = DRV_NAME, ++ }, ++}; ++#endif ++ + + static int __init tulip_init (void) + { +@@ -2037,6 +2207,9 @@ static int __init tulip_init (void) + #ifdef CONFIG_TULIP_PCI + ret = pci_register_driver(&tulip_pci_driver); + #endif ++#ifdef CONFIG_TULIP_PLATFORM ++ ret = platform_driver_register(&tulip_platform_driver); ++#endif + return ret; + } + +@@ -2046,6 +2219,9 @@ static void __exit tulip_cleanup (void) + #ifdef CONFIG_TULIP_PCI + pci_unregister_driver (&tulip_pci_driver); + #endif ++#ifdef CONFIG_TULIP_PLATFORM ++ platform_driver_unregister (&tulip_platform_driver); ++#endif + } + + +--- a/drivers/net/ethernet/dec/tulip/tulip.h ++++ b/drivers/net/ethernet/dec/tulip/tulip.h +@@ -21,6 +21,8 @@ + #include + #include + #include ++#include ++#include + #include + #include + #include +@@ -69,28 +71,6 @@ enum tbl_flag { + }; + + +-/* chip types. careful! order is VERY IMPORTANT here, as these +- * are used throughout the driver as indices into arrays */ +-/* Note 21142 == 21143. */ +-enum chips { +- DC21040 = 0, +- DC21041 = 1, +- DC21140 = 2, +- DC21142 = 3, DC21143 = 3, +- LC82C168, +- MX98713, +- MX98715, +- MX98725, +- AX88140, +- PNIC2, +- COMET, +- COMPEX9881, +- I21145, +- DM910X, +- CONEXANT, +-}; +- +- + enum MediaIs { + MediaIsFD = 1, + MediaAlwaysFD = 2, +@@ -446,7 +426,12 @@ struct tulip_private { + struct mediatable *mtable; + int cur_index; /* Current media index. */ + int saved_if_port; ++#ifdef CONFIG_TULIP_PCI + struct pci_dev *pdev; ++#endif ++#ifdef CONFIG_TULIP_PLATFORM ++ struct platform_device *pldev; ++#endif + int ttimer; + int susp_rx; + unsigned long nir; +--- a/drivers/net/ethernet/dec/tulip/interrupt.c ++++ b/drivers/net/ethernet/dec/tulip/interrupt.c +@@ -76,6 +76,10 @@ int tulip_refill_rx(struct net_device *d + mapping = pci_map_single(tp->pdev, skb->data, PKT_BUF_SZ, + PCI_DMA_FROMDEVICE); + #endif ++#ifdef CONFIG_TULIP_PLATFORM ++ mapping = dma_map_single(&tp->pldev->dev, skb->data, PKT_BUF_SZ, ++ DMA_FROM_DEVICE); ++#endif + tp->rx_buffers[entry].mapping = mapping; + + skb->dev = dev; /* Mark as being used by this device. */ +@@ -198,8 +202,7 @@ int tulip_poll(struct napi_struct *napi, + dev->stats.rx_fifo_errors++; + } + } else { +- struct sk_buff *skb; +- ++ struct sk_buff *skb; + /* Check if the packet is long enough to accept without copying + to a minimally-sized skbuff. */ + if (pkt_len < tulip_rx_copybreak && +@@ -242,6 +245,10 @@ int tulip_poll(struct napi_struct *napi, + pci_unmap_single(tp->pdev, tp->rx_buffers[entry].mapping, + PKT_BUF_SZ, PCI_DMA_FROMDEVICE); + #endif ++#ifdef CONFIG_TULIP_PLATFORM ++ dma_unmap_single(&tp->pldev->dev, tp->rx_buffers[entry].mapping, ++ PKT_BUF_SZ, DMA_FROM_DEVICE); ++#endif + + tp->rx_buffers[entry].skb = NULL; + tp->rx_buffers[entry].mapping = 0; +@@ -635,6 +642,11 @@ irqreturn_t tulip_interrupt(int irq, voi + tp->tx_buffers[entry].skb->len, + PCI_DMA_TODEVICE); + #endif ++#ifdef CONFIG_TULIP_PLATFORM ++ dma_unmap_single(&tp->pldev->dev, tp->tx_buffers[entry].mapping, ++ tp->tx_buffers[entry].skb->len, ++ DMA_TO_DEVICE); ++#endif + + /* Free the original skb. */ + dev_kfree_skb_irq(tp->tx_buffers[entry].skb); +--- /dev/null ++++ b/include/linux/platform_data/tulip.h +@@ -0,0 +1,31 @@ ++#ifndef _LINUX_TULIP_PDATA_H ++#define _LINUX_TULIP_PDATA_H ++ ++/* chip types. careful! order is VERY IMPORTANT here, as these ++ * are used throughout the driver as indices into arrays */ ++/* Note 21142 == 21143. */ ++enum chips { ++ DC21040 = 0, ++ DC21041 = 1, ++ DC21140 = 2, ++ DC21142 = 3, DC21143 = 3, ++ LC82C168, ++ MX98713, ++ MX98715, ++ MX98725, ++ AX88140, ++ PNIC2, ++ COMET, ++ COMPEX9881, ++ I21145, ++ DM910X, ++ CONEXANT, ++ ADM8668, ++}; ++ ++struct tulip_platform_data { ++ u8 mac[6]; ++ enum chips chip_id; ++}; ++ ++#endif -- 2.25.1