--- /dev/null
+Index: linux-2.6.25.1/arch/mips/Kconfig
+===================================================================
+--- linux-2.6.25.1.orig/arch/mips/Kconfig 2008-05-01 23:45:25.000000000 +0200
++++ linux-2.6.25.1/arch/mips/Kconfig 2008-05-03 16:17:54.000000000 +0200
+@@ -18,6 +18,24 @@
+ prompt "System type"
+ default SGI_IP22
+
++config AR7
++ bool "Texas Instruments AR7"
++ select BOOT_ELF32
++ select DMA_NONCOHERENT
++ select CEVT_R4K
++ select CSRC_R4K
++ select IRQ_CPU
++ select NO_EXCEPT_FILL
++ select SWAP_IO_SPACE
++ select SYS_HAS_CPU_MIPS32_R1
++ select SYS_HAS_EARLY_PRINTK
++ select SYS_SUPPORTS_32BIT_KERNEL
++ select SYS_SUPPORTS_KGDB
++ select SYS_SUPPORTS_LITTLE_ENDIAN
++ select SYS_SUPPORTS_BIG_ENDIAN
++ select GENERIC_GPIO
++ select GENERIC_HARDIRQS_NO__DO_IRQ
++
+ config MACH_ALCHEMY
+ bool "Alchemy processor based machines"
+
+Index: linux-2.6.25.1/arch/mips/kernel/traps.c
+===================================================================
+--- linux-2.6.25.1.orig/arch/mips/kernel/traps.c 2008-05-01 23:45:25.000000000 +0200
++++ linux-2.6.25.1/arch/mips/kernel/traps.c 2008-05-03 16:17:54.000000000 +0200
+@@ -1112,9 +1112,22 @@
+
+ exception_handlers[n] = handler;
+ if (n == 0 && cpu_has_divec) {
+- *(u32 *)(ebase + 0x200) = 0x08000000 |
+- (0x03ffffff & (handler >> 2));
+- flush_icache_range(ebase + 0x200, ebase + 0x204);
++ if ((handler ^ (ebase + 4)) & 0xfc000000) {
++ /* lui k0, 0x0000 */
++ *(u32 *)(ebase + 0x200) = 0x3c1a0000 | (handler >> 16);
++ /* ori k0, 0x0000 */
++ *(u32 *)(ebase + 0x204) =
++ 0x375a0000 | (handler & 0xffff);
++ /* jr k0 */
++ *(u32 *)(ebase + 0x208) = 0x03400008;
++ /* nop */
++ *(u32 *)(ebase + 0x20C) = 0x00000000;
++ flush_icache_range(ebase + 0x200, ebase + 0x210);
++ } else {
++ *(u32 *)(ebase + 0x200) =
++ 0x08000000 | (0x03ffffff & (handler >> 2));
++ flush_icache_range(ebase + 0x200, ebase + 0x204);
++ }
+ }
+ return (void *)old_handler;
+ }
+Index: linux-2.6.25.1/arch/mips/Makefile
+===================================================================
+--- linux-2.6.25.1.orig/arch/mips/Makefile 2008-05-01 23:45:25.000000000 +0200
++++ linux-2.6.25.1/arch/mips/Makefile 2008-05-03 16:17:54.000000000 +0200
+@@ -167,6 +167,13 @@
+ #
+
+ #
++# Texas Instruments AR7
++#
++core-$(CONFIG_AR7) += arch/mips/ar7/
++cflags-$(CONFIG_AR7) += -Iinclude/asm-mips/ar7
++load-$(CONFIG_AR7) += 0xffffffff94100000
++
++#
+ # Acer PICA 61, Mips Magnum 4000 and Olivetti M700.
+ #
+ core-$(CONFIG_MACH_JAZZ) += arch/mips/jazz/
+Index: linux-2.6.25.1/include/asm-mips/page.h
+===================================================================
+--- linux-2.6.25.1.orig/include/asm-mips/page.h 2008-05-01 23:45:25.000000000 +0200
++++ linux-2.6.25.1/include/asm-mips/page.h 2008-05-03 16:17:54.000000000 +0200
+@@ -182,8 +182,10 @@
+ #define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \
+ VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
+
+-#define UNCAC_ADDR(addr) ((addr) - PAGE_OFFSET + UNCAC_BASE)
+-#define CAC_ADDR(addr) ((addr) - UNCAC_BASE + PAGE_OFFSET)
++#define UNCAC_ADDR(addr) ((addr) - PAGE_OFFSET + UNCAC_BASE + \
++ PHYS_OFFSET)
++#define CAC_ADDR(addr) ((addr) - UNCAC_BASE + PAGE_OFFSET - \
++ PHYS_OFFSET)
+
+ #include <asm-generic/memory_model.h>
+ #include <asm-generic/page.h>
--- /dev/null
+Index: linux-2.6.25.1/drivers/mtd/Kconfig
+===================================================================
+--- linux-2.6.25.1.orig/drivers/mtd/Kconfig 2008-05-01 23:45:25.000000000 +0200
++++ linux-2.6.25.1/drivers/mtd/Kconfig 2008-05-03 16:18:06.000000000 +0200
+@@ -158,6 +158,12 @@
+ the partition map from the children of the flash node,
+ as described in Documentation/powerpc/booting-without-of.txt.
+
++config MTD_AR7_PARTS
++ tristate "TI AR7 partitioning support"
++ depends on MTD_PARTITIONS
++ ---help---
++ TI AR7 partitioning support
++
+ comment "User Modules And Translation Layers"
+
+ config MTD_CHAR
+Index: linux-2.6.25.1/drivers/mtd/Makefile
+===================================================================
+--- linux-2.6.25.1.orig/drivers/mtd/Makefile 2008-05-01 23:45:25.000000000 +0200
++++ linux-2.6.25.1/drivers/mtd/Makefile 2008-05-03 16:18:06.000000000 +0200
+@@ -12,6 +12,7 @@
+ obj-$(CONFIG_MTD_CMDLINE_PARTS) += cmdlinepart.o
+ obj-$(CONFIG_MTD_AFS_PARTS) += afs.o
+ obj-$(CONFIG_MTD_OF_PARTS) += ofpart.o
++obj-$(CONFIG_MTD_AR7_PARTS) += ar7part.o
+
+ # 'Users' - code which presents functionality to userspace.
+ obj-$(CONFIG_MTD_CHAR) += mtdchar.o
+Index: linux-2.6.25.1/drivers/mtd/maps/physmap.c
+===================================================================
+--- linux-2.6.25.1.orig/drivers/mtd/maps/physmap.c 2008-05-01 23:45:25.000000000 +0200
++++ linux-2.6.25.1/drivers/mtd/maps/physmap.c 2008-05-03 16:18:06.000000000 +0200
+@@ -87,7 +87,8 @@
+
+ static const char *rom_probe_types[] = { "cfi_probe", "jedec_probe", "map_rom", NULL };
+ #ifdef CONFIG_MTD_PARTITIONS
+-static const char *part_probe_types[] = { "cmdlinepart", "RedBoot", NULL };
++static const char *part_probe_types[] = {"cmdlinepart", "RedBoot",
++ "ar7part", NULL };
+ #endif
+
+ static int physmap_flash_probe(struct platform_device *dev)
--- /dev/null
+Index: linux-2.6.25.1/drivers/char/Kconfig
+===================================================================
+--- linux-2.6.25.1.orig/drivers/char/Kconfig 2008-05-01 23:45:25.000000000 +0200
++++ linux-2.6.25.1/drivers/char/Kconfig 2008-05-03 16:18:26.000000000 +0200
+@@ -913,6 +913,15 @@
+ To compile this driver as a module, choose M here: the
+ module will be called mwave.
+
++config AR7_GPIO
++ tristate "TI AR7 GPIO Support"
++ depends on AR7
++ help
++ Give userspace access to the GPIO pins on the Texas Instruments AR7
++ processors.
++
++ If compiled as a module, it will be called ar7_gpio.
++
+ config SCx200_GPIO
+ tristate "NatSemi SCx200 GPIO Support"
+ depends on SCx200
+Index: linux-2.6.25.1/drivers/char/Makefile
+===================================================================
+--- linux-2.6.25.1.orig/drivers/char/Makefile 2008-05-01 23:45:25.000000000 +0200
++++ linux-2.6.25.1/drivers/char/Makefile 2008-05-03 16:18:26.000000000 +0200
+@@ -90,6 +90,7 @@
+ obj-$(CONFIG_PPDEV) += ppdev.o
+ obj-$(CONFIG_NWBUTTON) += nwbutton.o
+ obj-$(CONFIG_NWFLASH) += nwflash.o
++obj-$(CONFIG_AR7_GPIO) += ar7_gpio.o
+ obj-$(CONFIG_SCx200_GPIO) += scx200_gpio.o
+ obj-$(CONFIG_PC8736x_GPIO) += pc8736x_gpio.o
+ obj-$(CONFIG_NSC_GPIO) += nsc_gpio.o
--- /dev/null
+Index: linux-2.6.25.1/drivers/Kconfig
+===================================================================
+--- linux-2.6.25.1.orig/drivers/Kconfig 2008-05-01 23:45:25.000000000 +0200
++++ linux-2.6.25.1/drivers/Kconfig 2008-05-03 16:19:06.000000000 +0200
+@@ -97,4 +97,6 @@
+ source "drivers/auxdisplay/Kconfig"
+
+ source "drivers/uio/Kconfig"
++
++source "drivers/vlynq/Kconfig"
+ endmenu
+Index: linux-2.6.25.1/drivers/Makefile
+===================================================================
+--- linux-2.6.25.1.orig/drivers/Makefile 2008-05-01 23:45:25.000000000 +0200
++++ linux-2.6.25.1/drivers/Makefile 2008-05-03 16:18:37.000000000 +0200
+@@ -91,5 +91,6 @@
+ obj-$(CONFIG_HID) += hid/
+ obj-$(CONFIG_PPC_PS3) += ps3/
+ obj-$(CONFIG_OF) += of/
++obj-$(CONFIG_VLYNQ) += vlynq/
+ obj-$(CONFIG_SSB) += ssb/
+ obj-$(CONFIG_VIRTIO) += virtio/
--- /dev/null
+Index: linux-2.6.25.1/drivers/net/cpmac.c
+===================================================================
+--- linux-2.6.25.1.orig/drivers/net/cpmac.c 2008-05-01 23:45:25.000000000 +0200
++++ linux-2.6.25.1/drivers/net/cpmac.c 2008-05-03 16:21:17.000000000 +0200
+@@ -38,6 +38,7 @@
+ #include <linux/platform_device.h>
+ #include <linux/dma-mapping.h>
+ #include <asm/gpio.h>
++#include <asm/atomic.h>
+
+ MODULE_AUTHOR("Eugene Konev <ejka@imfi.kspu.ru>");
+ MODULE_DESCRIPTION("TI AR7 ethernet driver (CPMAC)");
+@@ -207,6 +208,7 @@
+ struct work_struct reset_work;
+ struct platform_device *pdev;
+ struct napi_struct napi;
++ atomic_t reset_pending;
+ };
+
+ static irqreturn_t cpmac_irq(int, void *);
+@@ -455,6 +457,9 @@
+ struct cpmac_desc *desc;
+ struct cpmac_priv *priv = netdev_priv(dev);
+
++ if (unlikely(atomic_read(&priv->reset_pending)))
++ return NETDEV_TX_BUSY;
++
+ if (unlikely(skb_padto(skb, ETH_ZLEN)))
+ return NETDEV_TX_OK;
+
+@@ -634,14 +639,14 @@
+ priv->desc_ring[i].dataflags = 0;
+ if (priv->desc_ring[i].skb) {
+ dev_kfree_skb_any(priv->desc_ring[i].skb);
+- if (netif_subqueue_stopped(dev, i))
+- netif_wake_subqueue(dev, i);
++ priv->desc_ring[i].skb = NULL;
+ }
+ }
+ }
+
+ static void cpmac_hw_error(struct work_struct *work)
+ {
++ int i;
+ struct cpmac_priv *priv =
+ container_of(work, struct cpmac_priv, reset_work);
+
+@@ -650,8 +655,47 @@
+ spin_unlock(&priv->rx_lock);
+ cpmac_clear_tx(priv->dev);
+ cpmac_hw_start(priv->dev);
+- napi_enable(&priv->napi);
+- netif_start_queue(priv->dev);
++ barrier();
++ atomic_dec(&priv->reset_pending);
++
++ for (i = 0; i < CPMAC_QUEUES; i++) {
++ netif_wake_subqueue(priv->dev, i);
++ }
++ netif_wake_queue(priv->dev);
++ cpmac_write(priv->regs, CPMAC_MAC_INT_ENABLE, 3);
++}
++
++static void cpmac_check_status(struct net_device *dev)
++{
++ struct cpmac_priv *priv = netdev_priv(dev);
++
++ u32 macstatus = cpmac_read(priv->regs, CPMAC_MAC_STATUS);
++ int rx_channel = (macstatus >> 8) & 7;
++ int rx_code = (macstatus >> 12) & 15;
++ int tx_channel = (macstatus >> 16) & 7;
++ int tx_code = (macstatus >> 20) & 15;
++
++ if (rx_code || tx_code) {
++ if (netif_msg_drv(priv) && net_ratelimit()) {
++ /* Can't find any documentation on what these error codes actually are.
++ * So just log them and hope..
++ */
++ if (rx_code)
++ printk(KERN_WARNING "%s: host error %d on rx channel %d (macstatus %08x), resetting\n",
++ dev->name, rx_code, rx_channel, macstatus);
++ if (tx_code)
++ printk(KERN_WARNING "%s: host error %d on tx channel %d (macstatus %08x), resetting\n",
++ dev->name, tx_code, tx_channel, macstatus);
++ }
++
++ netif_stop_queue(dev);
++ cpmac_hw_stop(dev);
++ if (schedule_work(&priv->reset_work))
++ atomic_inc(&priv->reset_pending);
++ if (unlikely(netif_msg_hw(priv)))
++ cpmac_dump_regs(dev);
++ }
++ cpmac_write(priv->regs, CPMAC_MAC_INT_CLEAR, 0xff);
+ }
+
+ static irqreturn_t cpmac_irq(int irq, void *dev_id)
+@@ -682,49 +726,33 @@
+
+ cpmac_write(priv->regs, CPMAC_MAC_EOI_VECTOR, 0);
+
+- if (unlikely(status & (MAC_INT_HOST | MAC_INT_STATUS))) {
+- if (netif_msg_drv(priv) && net_ratelimit())
+- printk(KERN_ERR "%s: hw error, resetting...\n",
+- dev->name);
+- netif_stop_queue(dev);
+- napi_disable(&priv->napi);
+- cpmac_hw_stop(dev);
+- schedule_work(&priv->reset_work);
+- if (unlikely(netif_msg_hw(priv)))
+- cpmac_dump_regs(dev);
+- }
++ if (unlikely(status & (MAC_INT_HOST | MAC_INT_STATUS)))
++ cpmac_check_status(dev);
+
+ return IRQ_HANDLED;
+ }
+
+ static void cpmac_tx_timeout(struct net_device *dev)
+ {
+- struct cpmac_priv *priv = netdev_priv(dev);
+ int i;
++ struct cpmac_priv *priv = netdev_priv(dev);
+
+ spin_lock(&priv->lock);
+ dev->stats.tx_errors++;
+ spin_unlock(&priv->lock);
+ if (netif_msg_tx_err(priv) && net_ratelimit())
+ printk(KERN_WARNING "%s: transmit timeout\n", dev->name);
+- /*
+- * FIXME: waking up random queue is not the best thing to
+- * do... on the other hand why we got here at all?
+- */
+-#ifdef CONFIG_NETDEVICES_MULTIQUEUE
+- for (i = 0; i < CPMAC_QUEUES; i++)
+- if (priv->desc_ring[i].skb) {
+- priv->desc_ring[i].dataflags = 0;
+- dev_kfree_skb_any(priv->desc_ring[i].skb);
+- netif_wake_subqueue(dev, i);
+- break;
+- }
+-#else
+- priv->desc_ring[0].dataflags = 0;
+- if (priv->desc_ring[0].skb)
+- dev_kfree_skb_any(priv->desc_ring[0].skb);
+- netif_wake_queue(dev);
+-#endif
++
++ atomic_inc(&priv->reset_pending);
++ barrier();
++ cpmac_clear_tx(dev);
++ barrier();
++ atomic_dec(&priv->reset_pending);
++
++ netif_wake_queue(priv->dev);
++ for (i = 0; i < CPMAC_QUEUES; i++) {
++ netif_wake_subqueue(dev, i);
++ }
+ }
+
+ static int cpmac_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
+@@ -911,6 +939,7 @@
+ goto fail_irq;
+ }
+
++ atomic_set(&priv->reset_pending, 0);
+ INIT_WORK(&priv->reset_work, cpmac_hw_error);
+ cpmac_hw_start(dev);
+
--- /dev/null
+From 0daaa095cefd9d7091a7ccce2ff89f1ff4feae7a Mon Sep 17 00:00:00 2001
+From: Anton Vorontsov <avorontsov@ru.mvista.com>
+Date: Wed, 5 Mar 2008 14:52:26 +0300
+Subject: [PATCH] AR7/cpmac: convert to new fixed phy infrastructure, now for real
+
+This patch converts platform code to register fixed phys early.
+cpmac driver modified to blindly accept fixed phy id (that is equal
+to platform device id).
+
+Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
+---
+ arch/mips/ar7/platform.c | 17 +++++++++++++++++
+ drivers/net/cpmac.c | 19 +++----------------
+ 2 files changed, 20 insertions(+), 16 deletions(-)
+
+Index: linux-2.6.25.1/arch/mips/ar7/platform.c
+===================================================================
+--- linux-2.6.25.1.orig/arch/mips/ar7/platform.c 2008-05-03 16:17:30.000000000 +0200
++++ linux-2.6.25.1/arch/mips/ar7/platform.c 2008-05-03 16:24:08.000000000 +0200
+@@ -33,6 +33,8 @@
+ #include <linux/vlynq.h>
+ #include <linux/leds.h>
+ #include <linux/string.h>
++#include <linux/phy.h>
++#include <linux/phy_fixed.h>
+
+ #include <asm/addrspace.h>
+ #include <asm/ar7/ar7.h>
+@@ -205,6 +207,13 @@
+ .width = 2,
+ };
+
++/* lets assume this is suitable for both high and low cpmacs links */
++static struct fixed_phy_status fixed_phy_status __initdata = {
++ .link = 1,
++ .speed = 100,
++ .duplex = 1,
++};
++
+ static struct plat_cpmac_data cpmac_low_data = {
+ .reset_bit = 17,
+ .power_bit = 20,
+@@ -506,6 +515,10 @@
+ }
+
+ if (ar7_has_high_cpmac()) {
++ res = fixed_phy_add(PHY_POLL, cpmac_high.id, &fixed_phy_status);
++ if (res && res != -ENODEV)
++ return res;
++
+ cpmac_get_mac(1, cpmac_high_data.dev_addr);
+ res = platform_device_register(&cpmac_high);
+ if (res)
+@@ -514,6 +527,10 @@
+ cpmac_low_data.phy_mask = 0xffffffff;
+ }
+
++ res = fixed_phy_add(PHY_POLL, cpmac_low.id, &fixed_phy_status);
++ if (res && res != -ENODEV)
++ return res;
++
+ cpmac_get_mac(0, cpmac_low_data.dev_addr);
+ res = platform_device_register(&cpmac_low);
+ if (res)
+Index: linux-2.6.25.1/drivers/net/cpmac.c
+===================================================================
+--- linux-2.6.25.1.orig/drivers/net/cpmac.c 2008-05-03 16:21:17.000000000 +0200
++++ linux-2.6.25.1/drivers/net/cpmac.c 2008-05-03 16:24:08.000000000 +0200
+@@ -1035,23 +1035,10 @@
+
+ if (phy_id == PHY_MAX_ADDR) {
+ if (external_switch || dumb_switch) {
+- struct fixed_phy_status status = {};
+-
+- mdio_bus_id = 0;
+-
+- /*
+- * FIXME: this should be in the platform code!
+- * Since there is not platform code at all (that is,
+- * no mainline users of that driver), place it here
+- * for now.
+- */
+- phy_id = 0;
+- status.link = 1;
+- status.duplex = 1;
+- status.speed = 100;
+- fixed_phy_add(PHY_POLL, phy_id, &status);
++ mdio_bus_id = 0; /* fixed phys bus */
++ phy_id = pdev->id;
+ } else {
+- printk(KERN_ERR "cpmac: no PHY present\n");
++ dev_err(&pdev->dev, "no PHY present\n");
+ return -ENODEV;
+ }
+ }
--- /dev/null
+Index: linux-2.6.25.1/drivers/net/cpmac.c
+===================================================================
+--- linux-2.6.25.1.orig/drivers/net/cpmac.c 2008-05-03 16:24:08.000000000 +0200
++++ linux-2.6.25.1/drivers/net/cpmac.c 2008-05-03 16:24:37.000000000 +0200
+@@ -187,6 +187,7 @@
+ #define CPMAC_EOQ 0x1000
+ struct sk_buff *skb;
+ struct cpmac_desc *next;
++ struct cpmac_desc *prev;
+ dma_addr_t mapping;
+ dma_addr_t data_mapping;
+ };
+@@ -242,6 +243,16 @@
+ printk("\n");
+ }
+
++static void cpmac_dump_all_desc(struct net_device *dev)
++{
++ struct cpmac_priv *priv = netdev_priv(dev);
++ struct cpmac_desc *dump = priv->rx_head;
++ do {
++ cpmac_dump_desc(dev, dump);
++ dump = dump->next;
++ } while (dump != priv->rx_head);
++}
++
+ static void cpmac_dump_skb(struct net_device *dev, struct sk_buff *skb)
+ {
+ int i;
+@@ -413,21 +424,40 @@
+ static int cpmac_poll(struct napi_struct *napi, int budget)
+ {
+ struct sk_buff *skb;
+- struct cpmac_desc *desc;
+- int received = 0;
++ struct cpmac_desc *desc, *restart;
+ struct cpmac_priv *priv = container_of(napi, struct cpmac_priv, napi);
++ int received = 0, processed = 0;
+
+ spin_lock(&priv->rx_lock);
+ if (unlikely(!priv->rx_head)) {
+ if (netif_msg_rx_err(priv) && net_ratelimit())
+ printk(KERN_WARNING "%s: rx: polling, but no queue\n",
+ priv->dev->name);
++ spin_unlock(&priv->rx_lock);
+ netif_rx_complete(priv->dev, napi);
+ return 0;
+ }
+
+ desc = priv->rx_head;
++ restart = NULL;
+ while (((desc->dataflags & CPMAC_OWN) == 0) && (received < budget)) {
++ processed++;
++
++ if ((desc->dataflags & CPMAC_EOQ) != 0) {
++ /* The last update to eoq->hw_next didn't happen soon enough, and the
++ * receiver stopped here. Remember this descriptor so we can restart
++ * the receiver after freeing some space.
++ */
++ if (unlikely(restart)) {
++ if (netif_msg_rx_err(priv))
++ printk(KERN_ERR "%s: poll found a duplicate EOQ: %p and %p\n",
++ priv->dev->name, restart, desc);
++ goto fatal_error;
++ }
++
++ restart = desc->next;
++ }
++
+ skb = cpmac_rx_one(priv, desc);
+ if (likely(skb)) {
+ netif_receive_skb(skb);
+@@ -436,19 +466,81 @@
+ desc = desc->next;
+ }
+
++ if (desc != priv->rx_head) {
++ /* We freed some buffers, but not the whole ring, add what we did free to the rx list */
++ desc->prev->hw_next = (u32)0;
++ priv->rx_head->prev->hw_next = priv->rx_head->mapping;
++ }
++
++ /* Optimization: If we did not actually process an EOQ (perhaps because of
++ * quota limits), check to see if the tail of the queue has EOQ set. We
++ * should immediately restart in that case so that the receiver can restart
++ * and run in parallel with more packet processing. This lets us handle slightly
++ * larger bursts before running out of ring space (assuming dev->weight < ring_size)
++ */
++ if (!restart &&
++ (priv->rx_head->prev->dataflags & (CPMAC_OWN|CPMAC_EOQ)) == CPMAC_EOQ &&
++ (priv->rx_head->dataflags & CPMAC_OWN) != 0) {
++ /* reset EOQ so the poll loop (above) doesn't try to restart this when it
++ * eventually gets to this descriptor.
++ */
++ priv->rx_head->prev->dataflags &= ~CPMAC_EOQ;
++ restart = priv->rx_head;
++ }
++
++ if (restart) {
++ priv->dev->stats.rx_errors++;
++ priv->dev->stats.rx_fifo_errors++;
++ if (netif_msg_rx_err(priv) && net_ratelimit())
++ printk(KERN_WARNING "%s: rx dma ring overrun\n", priv->dev->name);
++
++ if (unlikely((restart->dataflags & CPMAC_OWN) == 0)) {
++ if (netif_msg_drv(priv))
++ printk(KERN_ERR "%s: cpmac_poll is trying to restart rx from a descriptor that's not free: %p\n",
++ priv->dev->name, restart);
++ goto fatal_error;
++ }
++
++ cpmac_write(priv->regs, CPMAC_RX_PTR(0), restart->mapping);
++ }
++
+ priv->rx_head = desc;
+ spin_unlock(&priv->rx_lock);
+ if (unlikely(netif_msg_rx_status(priv)))
+ printk(KERN_DEBUG "%s: poll processed %d packets\n",
+ priv->dev->name, received);
+- if (desc->dataflags & CPMAC_OWN) {
++ if (processed == 0) {
++ /* we ran out of packets to read, revert to interrupt-driven mode */
+ netif_rx_complete(priv->dev, napi);
+- cpmac_write(priv->regs, CPMAC_RX_PTR(0), (u32)desc->mapping);
+ cpmac_write(priv->regs, CPMAC_RX_INT_ENABLE, 1);
+ return 0;
+ }
+
+ return 1;
++
++fatal_error:
++ /* Something went horribly wrong. Reset hardware to try to recover rather than wedging. */
++
++ if (netif_msg_drv(priv)) {
++ printk(KERN_ERR "%s: cpmac_poll is confused. Resetting hardware\n", priv->dev->name);
++ cpmac_dump_all_desc(priv->dev);
++ printk(KERN_DEBUG "%s: RX_PTR(0)=0x%08x RX_ACK(0)=0x%08x\n",
++ priv->dev->name,
++ cpmac_read(priv->regs, CPMAC_RX_PTR(0)),
++ cpmac_read(priv->regs, CPMAC_RX_ACK(0)));
++ }
++
++ spin_unlock(&priv->rx_lock);
++ netif_rx_complete(priv->dev, napi);
++ netif_stop_queue(priv->dev);
++ napi_disable(&priv->napi);
++
++ atomic_inc(&priv->reset_pending);
++ cpmac_hw_stop(priv->dev);
++ if (!schedule_work(&priv->reset_work))
++ atomic_dec(&priv->reset_pending);
++ return 0;
++
+ }
+
+ static int cpmac_start_xmit(struct sk_buff *skb, struct net_device *dev)
+@@ -625,8 +717,10 @@
+ desc->dataflags = CPMAC_OWN;
+ dev->stats.rx_dropped++;
+ }
++ desc->hw_next = desc->next->mapping;
+ desc = desc->next;
+ }
++ priv->rx_head->prev->hw_next = 0;
+ }
+
+ static void cpmac_clear_tx(struct net_device *dev)
+@@ -928,9 +1022,12 @@
+ desc->buflen = CPMAC_SKB_SIZE;
+ desc->dataflags = CPMAC_OWN;
+ desc->next = &priv->rx_head[(i + 1) % priv->ring_size];
++ desc->next->prev = desc;
+ desc->hw_next = (u32)desc->next->mapping;
+ }
+
++ priv->rx_head->prev->hw_next = (u32)0;
++
+ if ((res = request_irq(dev->irq, cpmac_irq, IRQF_SHARED,
+ dev->name, dev))) {
+ if (netif_msg_drv(priv))
--- /dev/null
+Index: linux-2.6.25.1/drivers/net/cpmac.c
+===================================================================
+--- linux-2.6.25.1.orig/drivers/net/cpmac.c 2008-05-03 16:24:37.000000000 +0200
++++ linux-2.6.25.1/drivers/net/cpmac.c 2008-05-03 16:24:49.000000000 +0200
+@@ -1178,9 +1178,7 @@
+ priv->msg_enable = netif_msg_init(debug_level, 0xff);
+ memcpy(dev->dev_addr, pdata->dev_addr, sizeof(dev->dev_addr));
+
+- snprintf(priv->phy_name, BUS_ID_SIZE, PHY_ID_FMT, mdio_bus_id, phy_id);
+-
+- priv->phy = phy_connect(dev, priv->phy_name, &cpmac_adjust_link, 0,
++ priv->phy = phy_connect(dev, cpmac_mii.phy_map[phy_id]->dev.bus_id, &cpmac_adjust_link, 0,
+ PHY_INTERFACE_MODE_MII);
+ if (IS_ERR(priv->phy)) {
+ if (netif_msg_drv(priv))
--- /dev/null
+Index: linux-2.6.25.1/drivers/serial/8250.c
+===================================================================
+--- linux-2.6.25.1.orig/drivers/serial/8250.c 2008-05-01 23:45:25.000000000 +0200
++++ linux-2.6.25.1/drivers/serial/8250.c 2008-05-03 16:25:06.000000000 +0200
+@@ -267,6 +267,13 @@
+ .fcr = UART_FCR_ENABLE_FIFO | UART_FCR_R_TRIG_10,
+ .flags = UART_CAP_FIFO,
+ },
++ [PORT_AR7] = {
++ .name = "TI-AR7",
++ .fifo_size = 16,
++ .tx_loadsz = 16,
++ .fcr = UART_FCR_ENABLE_FIFO | UART_FCR_R_TRIG_00,
++ .flags = UART_CAP_FIFO | UART_CAP_AFE,
++ },
+ };
+
+ #if defined (CONFIG_SERIAL_8250_AU1X00)
+@@ -2455,7 +2462,11 @@
+ {
+ struct uart_8250_port *up = (struct uart_8250_port *)port;
+
++#ifdef CONFIG_AR7
++ wait_for_xmitr(up, BOTH_EMPTY);
++#else
+ wait_for_xmitr(up, UART_LSR_THRE);
++#endif
+ serial_out(up, UART_TX, ch);
+ }
+
+Index: linux-2.6.25.1/include/linux/serial_core.h
+===================================================================
+--- linux-2.6.25.1.orig/include/linux/serial_core.h 2008-05-01 23:45:25.000000000 +0200
++++ linux-2.6.25.1/include/linux/serial_core.h 2008-05-03 16:25:06.000000000 +0200
+@@ -40,7 +40,8 @@
+ #define PORT_NS16550A 14
+ #define PORT_XSCALE 15
+ #define PORT_RM9000 16 /* PMC-Sierra RM9xxx internal UART */
+-#define PORT_MAX_8250 16 /* max port ID */
++#define PORT_AR7 17
++#define PORT_MAX_8250 17 /* max port ID */
+
+ /*
+ * ARM specific type numbers. These are not currently guaranteed
--- /dev/null
+Index: linux-2.6.25.1/drivers/net/cpmac.c
+===================================================================
+--- linux-2.6.25.1.orig/drivers/net/cpmac.c 2008-05-03 16:24:49.000000000 +0200
++++ linux-2.6.25.1/drivers/net/cpmac.c 2008-05-03 16:25:17.000000000 +0200
+@@ -936,7 +936,8 @@
+ int new_state = 0;
+
+ spin_lock(&priv->lock);
+- if (priv->phy->link) {
++ if (1 /* priv->phy->link */ ) {
++ netif_carrier_on(dev);
+ netif_start_queue(dev);
+ if (priv->phy->duplex != priv->oldduplex) {
+ new_state = 1;
+@@ -948,11 +949,11 @@
+ priv->oldspeed = priv->phy->speed;
+ }
+
+- if (!priv->oldlink) {
++ /*if (!priv->oldlink) {
+ new_state = 1;
+- priv->oldlink = 1;
++ priv->oldlink = 1;*/
+ netif_schedule(dev);
+- }
++ /*}*/
+ } else if (priv->oldlink) {
+ netif_stop_queue(dev);
+ new_state = 1;
projects / openwrt / staging / chunkeey.git / commitdiff