[adm8668] 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 <florian@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@34557 3c298f89-4303-0410-b956-a3cf2f4a3e73

4 files changed, 869 insertions, 1 deletions

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, &reg);  /* 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, &reg);  /* 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 <linux/init.h>
+ #include <linux/interrupt.h>
+ #include <linux/etherdevice.h>
++#include <linux/platform_device.h>
++#include <linux/platform_data/tulip.h>
+ #include <linux/delay.h>
+ #include <linux/mii.h>
+ #include <linux/crc32.h>
+@@ -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 <linux/timer.h>
+ #include <linux/delay.h>
+ #include <linux/pci.h>
++#include <linux/platform_device.h>
++#include <linux/platform_data/tulip.h>
+ #include <asm/io.h>
+ #include <asm/irq.h>
+ #include <asm/unaligned.h>
+@@ -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