[ar71xx] preliminary 2.6.28 support

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@13559 3c298f89-4303-0410-b956-a3cf2f4a3e73

19 files changed, 571 insertions, 0 deletions

diff --git a/target/linux/ar71xx/patches-2.6.28/001-ar71xx_core.patch b/target/linux/ar71xx/patches-2.6.28/001-ar71xx_core.patch
new file mode 100644
index 000000000..3b01aea10
--- /dev/null
+++ b/target/linux/ar71xx/patches-2.6.28/001-ar71xx_core.patch
@@ -0,0 +1,50 @@
+--- a/arch/mips/Makefile
++++ b/arch/mips/Makefile
+@@ -586,6 +586,13 @@ core-$(CONFIG_TOSHIBA_RBTX4927)	+= arch/
+ core-$(CONFIG_TOSHIBA_RBTX4938) += arch/mips/txx9/rbtx4938/
+ core-$(CONFIG_TOSHIBA_RBTX4939) += arch/mips/txx9/rbtx4939/
+ 
++#
++# Atheros AR71xx
++#
++core-$(CONFIG_ATHEROS_AR71XX)	+= arch/mips/ar71xx/
++cflags-$(CONFIG_ATHEROS_AR71XX)	+= -I$(srctree)/arch/mips/include/asm/mach-ar71xx
++load-$(CONFIG_ATHEROS_AR71XX)	+= 0xffffffff80060000
++
+ # temporary until string.h is fixed
+ cflags-y += -ffreestanding
+ 
+--- a/arch/mips/Kconfig
++++ b/arch/mips/Kconfig
+@@ -22,6 +22,23 @@ choice
+ config MACH_ALCHEMY
+ 	bool "Alchemy processor based machines"
+ 
++config ATHEROS_AR71XX
++	bool "Atheros AR71xx based boards"
++	select CEVT_R4K
++	select CSRC_R4K
++	select DMA_NONCOHERENT
++	select HW_HAS_PCI
++	select IRQ_CPU
++	select ARCH_REQUIRE_GPIOLIB
++	select SYS_HAS_CPU_MIPS32_R1
++	select SYS_HAS_CPU_MIPS32_R2
++	select SYS_SUPPORTS_32BIT_KERNEL
++	select SYS_SUPPORTS_BIG_ENDIAN
++	select SYS_HAS_EARLY_PRINTK
++	select MIPS_MACHINE
++	help
++	  Support for Atheros AR71xx based boards.
++
+ config BASLER_EXCITE
+ 	bool "Basler eXcite smart camera"
+ 	select CEVT_R4K
+@@ -598,6 +615,7 @@ config WR_PPMC
+ endchoice
+ 
+ source "arch/mips/alchemy/Kconfig"
++source "arch/mips/ar71xx/Kconfig"
+ source "arch/mips/basler/excite/Kconfig"
+ source "arch/mips/emma/Kconfig"
+ source "arch/mips/jazz/Kconfig"
diff --git a/target/linux/ar71xx/patches-2.6.28/002-ar71xx_pci.patch b/target/linux/ar71xx/patches-2.6.28/002-ar71xx_pci.patch
new file mode 100644
index 000000000..8e022afa9
--- /dev/null
+++ b/target/linux/ar71xx/patches-2.6.28/002-ar71xx_pci.patch
@@ -0,0 +1,10 @@
+--- a/arch/mips/pci/Makefile
++++ b/arch/mips/pci/Makefile
+@@ -16,6 +16,7 @@ obj-$(CONFIG_PCI_VR41XX)	+= ops-vr41xx.o
+ obj-$(CONFIG_NEC_MARKEINS)	+= ops-emma2rh.o pci-emma2rh.o fixup-emma2rh.o
+ obj-$(CONFIG_PCI_TX4927)	+= ops-tx4927.o
+ obj-$(CONFIG_BCM47XX)		+= pci-bcm47xx.o
++obj-$(CONFIG_ATHEROS_AR71XX)	+= pci-ar71xx.o
+ 
+ #
+ # These are still pretty much in the old state, watch, go blind.
diff --git a/target/linux/ar71xx/patches-2.6.28/003-ar71xx_usb_host.patch b/target/linux/ar71xx/patches-2.6.28/003-ar71xx_usb_host.patch
new file mode 100644
index 000000000..8392f48ef
--- /dev/null
+++ b/target/linux/ar71xx/patches-2.6.28/003-ar71xx_usb_host.patch
@@ -0,0 +1,56 @@
+--- a/drivers/usb/host/Kconfig
++++ b/drivers/usb/host/Kconfig
+@@ -81,6 +81,12 @@ config USB_EHCI_BIG_ENDIAN_DESC
+ 	depends on USB_EHCI_HCD && (440EPX || ARCH_IXP4XX)
+ 	default y
+ 
++config USB_EHCI_AR71XX
++	bool "USB EHCI support for AR71xx"
++	depends on USB_EHCI_HCD && ATHEROS_AR71XX
++	help
++	  Support for Atheros AR71xx built-in EHCI controller
++
+ config USB_EHCI_FSL
+ 	bool "Support for Freescale on-chip EHCI USB controller"
+ 	depends on USB_EHCI_HCD && FSL_SOC
+@@ -140,6 +146,12 @@ config USB_OHCI_HCD
+ 	  To compile this driver as a module, choose M here: the
+ 	  module will be called ohci-hcd.
+ 
++config USB_OHCI_AR71XX
++	bool "USB OHCI support for Atheros AR71xx"
++	depends on USB_OHCI_HCD && ATHEROS_AR71XX
++	help
++	  Support for Atheros AR71xx built-in OHCI controller
++
+ config USB_OHCI_HCD_PPC_SOC
+ 	bool "OHCI support for on-chip PPC USB controller"
+ 	depends on USB_OHCI_HCD && (STB03xxx || PPC_MPC52xx)
+--- a/drivers/usb/host/ehci-hcd.c
++++ b/drivers/usb/host/ehci-hcd.c
+@@ -1034,6 +1034,11 @@ MODULE_LICENSE ("GPL");
+ #define	PLATFORM_DRIVER		ixp4xx_ehci_driver
+ #endif
+ 
++#ifdef CONFIG_USB_EHCI_AR71XX
++#include "ehci-ar71xx.c"
++#define PLATFORM_DRIVER		ehci_ar71xx_driver
++#endif
++
+ #if !defined(PCI_DRIVER) && !defined(PLATFORM_DRIVER) && \
+     !defined(PS3_SYSTEM_BUS_DRIVER) && !defined(OF_PLATFORM_DRIVER)
+ #error "missing bus glue for ehci-hcd"
+--- a/drivers/usb/host/ohci-hcd.c
++++ b/drivers/usb/host/ohci-hcd.c
+@@ -1080,6 +1080,11 @@ MODULE_LICENSE ("GPL");
+ #define TMIO_OHCI_DRIVER	ohci_hcd_tmio_driver
+ #endif
+ 
++#ifdef CONFIG_USB_OHCI_AR71XX
++#include "ohci-ar71xx.c"
++#define PLATFORM_DRIVER		ohci_hcd_ar71xx_driver
++#endif
++
+ #if	!defined(PCI_DRIVER) &&		\
+ 	!defined(PLATFORM_DRIVER) &&	\
+ 	!defined(OF_PLATFORM_DRIVER) &&	\
diff --git a/target/linux/ar71xx/patches-2.6.28/004-ar71xx_spi_controller.patch b/target/linux/ar71xx/patches-2.6.28/004-ar71xx_spi_controller.patch
new file mode 100644
index 000000000..9c196e077
--- /dev/null
+++ b/target/linux/ar71xx/patches-2.6.28/004-ar71xx_spi_controller.patch
@@ -0,0 +1,26 @@
+--- a/drivers/spi/Kconfig
++++ b/drivers/spi/Kconfig
+@@ -53,6 +53,13 @@ if SPI_MASTER
+ 
+ comment "SPI Master Controller Drivers"
+ 
++config SPI_AR71XX
++	tristate "Atheros AR71xx SPI Controller"
++	depends on SPI_MASTER && ATHEROS_AR71XX
++	select SPI_BITBANG
++	help
++	  This is the SPI contoller driver for Atheros AR71xx.
++
+ config SPI_ATMEL
+ 	tristate "Atmel SPI Controller"
+ 	depends on (ARCH_AT91 || AVR32)
+--- a/drivers/spi/Makefile
++++ b/drivers/spi/Makefile
+@@ -11,6 +11,7 @@ endif
+ obj-$(CONFIG_SPI_MASTER)		+= spi.o
+ 
+ # SPI master controller drivers (bus)
++obj-$(CONFIG_SPI_AR71XX)		+= ar71xx_spi.o
+ obj-$(CONFIG_SPI_ATMEL)			+= atmel_spi.o
+ obj-$(CONFIG_SPI_BFIN)			+= spi_bfin5xx.o
+ obj-$(CONFIG_SPI_BITBANG)		+= spi_bitbang.o
diff --git a/target/linux/ar71xx/patches-2.6.28/005-ar71xx_mac_driver.patch b/target/linux/ar71xx/patches-2.6.28/005-ar71xx_mac_driver.patch
new file mode 100644
index 000000000..59b9a57f1
--- /dev/null
+++ b/target/linux/ar71xx/patches-2.6.28/005-ar71xx_mac_driver.patch
@@ -0,0 +1,21 @@
+--- a/drivers/net/Kconfig
++++ b/drivers/net/Kconfig
+@@ -2039,6 +2039,8 @@ config ACENIC_OMIT_TIGON_I
+ 
+ 	  The safe and default value for this is N.
+ 
++source drivers/net/ag71xx/Kconfig
++
+ config DL2K
+ 	tristate "DL2000/TC902x-based Gigabit Ethernet support"
+ 	depends on PCI
+--- a/drivers/net/Makefile
++++ b/drivers/net/Makefile
+@@ -2,6 +2,7 @@
+ # Makefile for the Linux network (ethercard) device drivers.
+ #
+ 
++obj-$(CONFIG_AG71XX) += ag71xx/
+ obj-$(CONFIG_E1000) += e1000/
+ obj-$(CONFIG_E1000E) += e1000e/
+ obj-$(CONFIG_IBM_NEW_EMAC) += ibm_newemac/
diff --git a/target/linux/ar71xx/patches-2.6.28/006-ar71xx_wdt_driver.patch b/target/linux/ar71xx/patches-2.6.28/006-ar71xx_wdt_driver.patch
new file mode 100644
index 000000000..bf0ffcd60
--- /dev/null
+++ b/target/linux/ar71xx/patches-2.6.28/006-ar71xx_wdt_driver.patch
@@ -0,0 +1,26 @@
+--- a/drivers/watchdog/Kconfig
++++ b/drivers/watchdog/Kconfig
+@@ -747,6 +747,13 @@ config TXX9_WDT
+ 	help
+ 	  Hardware driver for the built-in watchdog timer on TXx9 MIPS SoCs.
+ 
++config AR71XX_WDT
++	tristate "Atheros AR71xx Watchdog Timer"
++	depends on ATHEROS_AR71XX
++	help
++	  Hardware driver for the built-in watchdog timer on the Atheros
++	  AR71xx SoCs.
++
+ # PARISC Architecture
+ 
+ # POWERPC Architecture
+--- a/drivers/watchdog/Makefile
++++ b/drivers/watchdog/Makefile
+@@ -106,6 +106,7 @@ obj-$(CONFIG_WDT_RM9K_GPI) += rm9k_wdt.o
+ obj-$(CONFIG_SIBYTE_WDOG) += sb_wdog.o
+ obj-$(CONFIG_AR7_WDT) += ar7_wdt.o
+ obj-$(CONFIG_TXX9_WDT) += txx9wdt.o
++obj-$(CONFIG_AR71XX_WDT) += ar71xx_wdt.o
+ 
+ # PARISC Architecture
+ 
diff --git a/target/linux/ar71xx/patches-2.6.28/100-mtd_m25p80_add_pm25lv_flash_support.patch b/target/linux/ar71xx/patches-2.6.28/100-mtd_m25p80_add_pm25lv_flash_support.patch
new file mode 100644
index 000000000..2fac990c7
--- /dev/null
+++ b/target/linux/ar71xx/patches-2.6.28/100-mtd_m25p80_add_pm25lv_flash_support.patch
@@ -0,0 +1,13 @@
+--- a/drivers/mtd/devices/m25p80.c
++++ b/drivers/mtd/devices/m25p80.c
+@@ -500,6 +500,10 @@ static struct flash_info __devinitdata m
+ 	{ "at26df161a", 0x1f4601, 0, 64 * 1024, 32, SECT_4K, },
+ 	{ "at26df321",  0x1f4701, 0, 64 * 1024, 64, SECT_4K, },
+ 
++	/* PMC -- pm25x "blocks" are 32K, sectors are 4K */
++	{ "pm25lv512",         0, 32 * 1024, 2, SECT_4K },
++	{ "pm25lv010",         0, 32 * 1024, 4, SECT_4K },
++
+ 	/* Spansion -- single (large) sector size only, at least
+ 	 * for the chips listed here (without boot sectors).
+ 	 */
diff --git a/target/linux/ar71xx/patches-2.6.28/101-ksz8041_phy_driver.patch b/target/linux/ar71xx/patches-2.6.28/101-ksz8041_phy_driver.patch
new file mode 100644
index 000000000..78b9b33db
--- /dev/null
+++ b/target/linux/ar71xx/patches-2.6.28/101-ksz8041_phy_driver.patch
@@ -0,0 +1,24 @@
+--- a/drivers/net/phy/Kconfig
++++ b/drivers/net/phy/Kconfig
+@@ -83,6 +83,11 @@ config MVSWITCH_PHY
+ 	---help---
+ 	  Currently supports the Marvell 88E6060 switch.
+ 
++config MICREL_PHY
++	tristate "Drivers for Micrel/Kendin PHYs"
++	---help---
++	  Currently has a driver for the KSZ8041
++
+ config FIXED_PHY
+ 	bool "Driver for MDIO Bus/PHY emulation with fixed speed/link PHYs"
+ 	depends on PHYLIB=y
+--- a/drivers/net/phy/Makefile
++++ b/drivers/net/phy/Makefile
+@@ -16,6 +16,7 @@ obj-$(CONFIG_ICPLUS_PHY)	+= icplus.o
+ obj-$(CONFIG_ADM6996_PHY)	+= adm6996.o
+ obj-$(CONFIG_MVSWITCH_PHY)	+= mvswitch.o
+ obj-$(CONFIG_REALTEK_PHY)	+= realtek.o
++obj-$(CONFIG_MICREL_PHY)	+= micrel.o
+ obj-$(CONFIG_FIXED_PHY)		+= fixed.o
+ obj-$(CONFIG_MDIO_BITBANG)	+= mdio-bitbang.o
+ obj-$(CONFIG_MDIO_OF_GPIO)	+= mdio-ofgpio.o
diff --git a/target/linux/ar71xx/patches-2.6.28/102-mtd_m25p80_add_myloader_parser.patch b/target/linux/ar71xx/patches-2.6.28/102-mtd_m25p80_add_myloader_parser.patch
new file mode 100644
index 000000000..0eb74e9f4
--- /dev/null
+++ b/target/linux/ar71xx/patches-2.6.28/102-mtd_m25p80_add_myloader_parser.patch
@@ -0,0 +1,22 @@
+--- a/drivers/mtd/devices/m25p80.c
++++ b/drivers/mtd/devices/m25p80.c
+@@ -707,12 +707,17 @@ static int __devinit m25p_probe(struct s
+ 		struct mtd_partition	*parts = NULL;
+ 		int			nr_parts = 0;
+ 
++		static const char *part_probes[] = {
+ #ifdef CONFIG_MTD_CMDLINE_PARTS
+-		static const char *part_probes[] = { "cmdlinepart", NULL, };
++						"cmdlinepart",
++#endif
++#ifdef CONFIG_MTD_MYLOADER_PARTS
++						"MyLoader",
++#endif
++					       	NULL, };
+ 
+ 		nr_parts = parse_mtd_partitions(&flash->mtd,
+ 				part_probes, &parts, 0);
+-#endif
+ 
+ 		if (nr_parts <= 0 && data && data->parts) {
+ 			parts = data->parts;
diff --git a/target/linux/ar71xx/patches-2.6.28/103-mtd_m25p80_add_en25p32_support.patch b/target/linux/ar71xx/patches-2.6.28/103-mtd_m25p80_add_en25p32_support.patch
new file mode 100644
index 000000000..97c2a8ff2
--- /dev/null
+++ b/target/linux/ar71xx/patches-2.6.28/103-mtd_m25p80_add_en25p32_support.patch
@@ -0,0 +1,12 @@
+--- a/drivers/mtd/devices/m25p80.c
++++ b/drivers/mtd/devices/m25p80.c
+@@ -500,6 +500,9 @@ static struct flash_info __devinitdata m
+ 	{ "at26df161a", 0x1f4601, 0, 64 * 1024, 32, SECT_4K, },
+ 	{ "at26df321",  0x1f4701, 0, 64 * 1024, 64, SECT_4K, },
+ 
++	/* EON -- en25px */
++	{ "en25p32", 0x1c2016, 64 * 1024, 64, },
++
+ 	/* PMC -- pm25x "blocks" are 32K, sectors are 4K */
+ 	{ "pm25lv512",         0, 32 * 1024, 2, SECT_4K },
+ 	{ "pm25lv010",         0, 32 * 1024, 4, SECT_4K },
diff --git a/target/linux/ar71xx/patches-2.6.28/104-mtd_m25p80_add_redboot_parser.patch b/target/linux/ar71xx/patches-2.6.28/104-mtd_m25p80_add_redboot_parser.patch
new file mode 100644
index 000000000..6b3089c09
--- /dev/null
+++ b/target/linux/ar71xx/patches-2.6.28/104-mtd_m25p80_add_redboot_parser.patch
@@ -0,0 +1,12 @@
+--- a/drivers/mtd/devices/m25p80.c
++++ b/drivers/mtd/devices/m25p80.c
+@@ -717,6 +717,9 @@ static int __devinit m25p_probe(struct s
+ #ifdef CONFIG_MTD_MYLOADER_PARTS
+ 						"MyLoader",
+ #endif
++#ifdef CONFIG_MTD_REDBOOT_PARTS
++						"RedBoot",
++#endif
+ 					       	NULL, };
+ 
+ 		nr_parts = parse_mtd_partitions(&flash->mtd,
diff --git a/target/linux/ar71xx/patches-2.6.28/140-redboot_partition_scan.patch b/target/linux/ar71xx/patches-2.6.28/140-redboot_partition_scan.patch
new file mode 100644
index 000000000..289d4eb99
--- /dev/null
+++ b/target/linux/ar71xx/patches-2.6.28/140-redboot_partition_scan.patch
@@ -0,0 +1,54 @@
+--- a/drivers/mtd/redboot.c
++++ b/drivers/mtd/redboot.c
+@@ -60,31 +60,32 @@ static int parse_redboot_partitions(stru
+ 	static char nullstring[] = "unallocated";
+ #endif
+ 
++	buf = vmalloc(master->erasesize);
++	if (!buf)
++		return -ENOMEM;
++
++ restart:
+ 	if ( directory < 0 ) {
+ 		offset = master->size + directory * master->erasesize;
+-		while (master->block_isbad && 
++		while (master->block_isbad &&
+ 		       master->block_isbad(master, offset)) {
+ 			if (!offset) {
+ 			nogood:
+ 				printk(KERN_NOTICE "Failed to find a non-bad block to check for RedBoot partition table\n");
++				vfree(buf);
+ 				return -EIO;
+ 			}
+ 			offset -= master->erasesize;
+ 		}
+ 	} else {
+ 		offset = directory * master->erasesize;
+-		while (master->block_isbad && 
++		while (master->block_isbad &&
+ 		       master->block_isbad(master, offset)) {
+ 			offset += master->erasesize;
+ 			if (offset == master->size)
+ 				goto nogood;
+ 		}
+ 	}
+-	buf = vmalloc(master->erasesize);
+-
+-	if (!buf)
+-		return -ENOMEM;
+-
+ 	printk(KERN_NOTICE "Searching for RedBoot partition table in %s at offset 0x%lx\n",
+ 	       master->name, offset);
+ 
+@@ -156,6 +157,11 @@ static int parse_redboot_partitions(stru
+ 	}
+ 	if (i == numslots) {
+ 		/* Didn't find it */
++		if (offset + master->erasesize < master->size) {
++			/* not at the end of the flash yet, maybe next block :) */
++			directory++;
++			goto restart;
++		}
+ 		printk(KERN_NOTICE "No RedBoot partition table detected in %s\n",
+ 		       master->name);
+ 		ret = 0;
diff --git a/target/linux/ar71xx/patches-2.6.28/200-rb4xx_nand_driver.patch b/target/linux/ar71xx/patches-2.6.28/200-rb4xx_nand_driver.patch
new file mode 100644
index 000000000..9e4477d88
--- /dev/null
+++ b/target/linux/ar71xx/patches-2.6.28/200-rb4xx_nand_driver.patch
@@ -0,0 +1,21 @@
+--- a/drivers/mtd/nand/Kconfig
++++ b/drivers/mtd/nand/Kconfig
+@@ -420,4 +420,8 @@ config MTD_NAND_SH_FLCTL
+ 	  Several Renesas SuperH CPU has FLCTL. This option enables support
+ 	  for NAND Flash using FLCTL. This driver support SH7723.
+ 
++config MTD_NAND_RB4XX
++	tristate "NAND flash driver for RouterBoard 4xx series"
++	depends on MTD_NAND && ATHEROS_AR71XX
++
+ endif # MTD_NAND
+--- a/drivers/mtd/nand/Makefile
++++ b/drivers/mtd/nand/Makefile
+@@ -29,6 +29,7 @@ obj-$(CONFIG_MTD_NAND_BASLER_EXCITE)	+= 
+ obj-$(CONFIG_MTD_NAND_PXA3xx)		+= pxa3xx_nand.o
+ obj-$(CONFIG_MTD_NAND_TMIO)		+= tmio_nand.o
+ obj-$(CONFIG_MTD_NAND_PLATFORM)		+= plat_nand.o
++obj-$(CONFIG_MTD_NAND_RB4XX)		+= rb4xx_nand.o
+ obj-$(CONFIG_MTD_ALAUDA)		+= alauda.o
+ obj-$(CONFIG_MTD_NAND_PASEMI)		+= pasemi_nand.o
+ obj-$(CONFIG_MTD_NAND_ORION)		+= orion_nand.o
diff --git a/target/linux/ar71xx/patches-2.6.28/300-mips_fw_myloader.patch b/target/linux/ar71xx/patches-2.6.28/300-mips_fw_myloader.patch
new file mode 100644
index 000000000..511fbbfd8
--- /dev/null
+++ b/target/linux/ar71xx/patches-2.6.28/300-mips_fw_myloader.patch
@@ -0,0 +1,22 @@
+--- a/arch/mips/Makefile
++++ b/arch/mips/Makefile
+@@ -160,6 +160,7 @@ endif
+ #
+ libs-$(CONFIG_ARC)		+= arch/mips/fw/arc/
+ libs-$(CONFIG_CFE)		+= arch/mips/fw/cfe/
++libs-$(CONFIG_MYLOADER)		+= arch/mips/fw/myloader/
+ libs-$(CONFIG_SNIPROM)		+= arch/mips/fw/sni/
+ libs-y				+= arch/mips/fw/lib/
+ libs-$(CONFIG_SIBYTE_CFE)	+= arch/mips/sibyte/cfe/
+--- a/arch/mips/Kconfig
++++ b/arch/mips/Kconfig
+@@ -778,6 +778,9 @@ config MIPS_NILE4
+ config MIPS_DISABLE_OBSOLETE_IDE
+ 	bool
+ 
++config MYLOADER
++	bool
++
+ config SYNC_R4K
+ 	bool
+ 
diff --git a/target/linux/ar71xx/patches-2.6.28/800-ag71xx_remove_netif_schedule.patch b/target/linux/ar71xx/patches-2.6.28/800-ag71xx_remove_netif_schedule.patch
new file mode 100644
index 000000000..d278d4dbf
--- /dev/null
+++ b/target/linux/ar71xx/patches-2.6.28/800-ag71xx_remove_netif_schedule.patch
@@ -0,0 +1,16 @@
+--- a/drivers/net/ag71xx/ag71xx_phy.c
++++ b/drivers/net/ag71xx/ag71xx_phy.c
+@@ -138,12 +138,8 @@ static void ag71xx_phy_link_adjust(struc
+ 		}
+ 	}
+ 
+-	if (phydev->link != ag->link) {
+-		if (phydev->link)
+-			netif_schedule(dev);
+-
++	if (phydev->link != ag->link)
+ 		status_change = 1;
+-	}
+ 
+ 	ag->link = phydev->link;
+ 	ag->duplex = phydev->duplex;
diff --git a/target/linux/ar71xx/patches-2.6.28/801-ag71xx_rename_mii_bus_dev_to_mii_bus_parent.patch b/target/linux/ar71xx/patches-2.6.28/801-ag71xx_rename_mii_bus_dev_to_mii_bus_parent.patch
new file mode 100644
index 000000000..d9bd0b940
--- /dev/null
+++ b/target/linux/ar71xx/patches-2.6.28/801-ag71xx_rename_mii_bus_dev_to_mii_bus_parent.patch
@@ -0,0 +1,11 @@
+--- a/drivers/net/ag71xx/ag71xx_mdio.c
++++ b/drivers/net/ag71xx/ag71xx_mdio.c
+@@ -160,7 +160,7 @@ static int __init ag71xx_mdio_probe(stru
+ 	am->mii_bus.reset = ag71xx_mdio_reset;
+ 	am->mii_bus.irq = am->mii_irq;
+ 	am->mii_bus.priv = am;
+-	am->mii_bus.dev = &pdev->dev;
++	am->mii_bus.parent = &pdev->dev;
+ 	snprintf(am->mii_bus.id, MII_BUS_ID_SIZE, "%x", 0);
+ 
+ 	pdata = pdev->dev.platform_data;
diff --git a/target/linux/ar71xx/patches-2.6.28/802-ag71xx_mdio_dynamic_mdio_bus.patch b/target/linux/ar71xx/patches-2.6.28/802-ag71xx_mdio_dynamic_mdio_bus.patch
new file mode 100644
index 000000000..eb3514c1d
--- /dev/null
+++ b/target/linux/ar71xx/patches-2.6.28/802-ag71xx_mdio_dynamic_mdio_bus.patch
@@ -0,0 +1,90 @@
+--- a/drivers/net/ag71xx/ag71xx_mdio.c
++++ b/drivers/net/ag71xx/ag71xx_mdio.c
+@@ -57,7 +57,7 @@ static int ag71xx_mdio_mii_read(struct a
+ 	while (ag71xx_mdio_rr(am, AG71XX_REG_MII_IND) & MII_IND_BUSY) {
+ 		if (i-- == 0) {
+ 			printk(KERN_ERR "%s: mii_read timed out\n",
+-				am->mii_bus.name);
++				am->mii_bus->name);
+ 			ret = 0xffff;
+ 			goto out;
+ 		}
+@@ -88,7 +88,7 @@ static void ag71xx_mdio_mii_write(struct
+ 	while (ag71xx_mdio_rr(am, AG71XX_REG_MII_IND) & MII_IND_BUSY) {
+ 		if (i-- == 0) {
+ 			printk(KERN_ERR "%s: mii_write timed out\n",
+-				am->mii_bus.name);
++				am->mii_bus->name);
+ 			break;
+ 		}
+ 		udelay(AG71XX_MDIO_DELAY);
+@@ -154,23 +154,27 @@ static int __init ag71xx_mdio_probe(stru
+ 		goto err_free_mdio;
+ 	}
+ 
+-	am->mii_bus.name = "ag71xx_mdio";
+-	am->mii_bus.read = ag71xx_mdio_read;
+-	am->mii_bus.write = ag71xx_mdio_write;
+-	am->mii_bus.reset = ag71xx_mdio_reset;
+-	am->mii_bus.irq = am->mii_irq;
+-	am->mii_bus.priv = am;
+-	am->mii_bus.parent = &pdev->dev;
+-	snprintf(am->mii_bus.id, MII_BUS_ID_SIZE, "%x", 0);
++	am->mii_bus = mdiobus_alloc();
++	if (am->mii_bus == NULL)
++		goto err_iounmap;
++
++	am->mii_bus->name = "ag71xx_mdio";
++	am->mii_bus->read = ag71xx_mdio_read;
++	am->mii_bus->write = ag71xx_mdio_write;
++	am->mii_bus->reset = ag71xx_mdio_reset;
++	am->mii_bus->irq = am->mii_irq;
++	am->mii_bus->priv = am;
++	am->mii_bus->parent = &pdev->dev;
++	snprintf(am->mii_bus->id, MII_BUS_ID_SIZE, "%x", 0);
+ 
+ 	pdata = pdev->dev.platform_data;
+ 	if (pdata)
+-		am->mii_bus.phy_mask = pdata->phy_mask;
++		am->mii_bus->phy_mask = pdata->phy_mask;
+ 
+ 	for (i = 0; i < PHY_MAX_ADDR; i++)
+ 		am->mii_irq[i] = PHY_POLL;
+ 
+-	err = mdiobus_register(&am->mii_bus);
++	err = mdiobus_register(am->mii_bus);
+ 	if (err)
+ 		goto err_iounmap;
+ 
+@@ -194,7 +198,8 @@ static int __exit ag71xx_mdio_remove(str
+ 
+ 	if (am) {
+ 		ag71xx_mdio_bus = NULL;
+-		mdiobus_unregister(&am->mii_bus);
++		mdiobus_unregister(am->mii_bus);
++		mdiobus_free(am->mii_bus);
+ 		iounmap(am->mdio_base);
+ 		kfree(am);
+ 		platform_set_drvdata(pdev, NULL);
+--- a/drivers/net/ag71xx/ag71xx.h
++++ b/drivers/net/ag71xx/ag71xx.h
+@@ -101,7 +101,7 @@ struct ag71xx_ring {
+ };
+ 
+ struct ag71xx_mdio {
+-	struct mii_bus	mii_bus;
++	struct mii_bus	*mii_bus;
+ 	int		mii_irq[PHY_MAX_ADDR];
+ 	void __iomem	*mdio_base;
+ };
+--- a/drivers/net/ag71xx/ag71xx_main.c
++++ b/drivers/net/ag71xx/ag71xx_main.c
+@@ -807,7 +807,7 @@ static int __init ag71xx_probe(struct pl
+ 	ag = netdev_priv(dev);
+ 	ag->pdev = pdev;
+ 	ag->dev = dev;
+-	ag->mii_bus = &ag71xx_mdio_bus->mii_bus;
++	ag->mii_bus = ag71xx_mdio_bus->mii_bus;
+ 	ag->msg_enable = netif_msg_init(ag71xx_debug,
+ 					AG71XX_DEFAULT_MSG_ENABLE);
+ 	spin_lock_init(&ag->lock);
diff --git a/target/linux/ar71xx/patches-2.6.28/901-get_c0_compare_irq_function.patch b/target/linux/ar71xx/patches-2.6.28/901-get_c0_compare_irq_function.patch
new file mode 100644
index 000000000..ec3924f7c
--- /dev/null
+++ b/target/linux/ar71xx/patches-2.6.28/901-get_c0_compare_irq_function.patch
@@ -0,0 +1,29 @@
+--- a/arch/mips/kernel/traps.c
++++ b/arch/mips/kernel/traps.c
+@@ -47,6 +47,7 @@
+ #include <asm/mmu_context.h>
+ #include <asm/types.h>
+ #include <asm/stacktrace.h>
++#include <asm/time.h>
+ 
+ extern void check_wait(void);
+ extern asmlinkage void r4k_wait(void);
+@@ -1514,6 +1515,8 @@ void __cpuinit per_cpu_trap_init(void)
+ 	 */
+ 	if (cpu_has_mips_r2) {
+ 		cp0_compare_irq = (read_c0_intctl() >> 29) & 7;
++		if (get_c0_compare_irq)
++			cp0_compare_irq = get_c0_compare_irq();
+ 		cp0_perfcount_irq = (read_c0_intctl() >> 26) & 7;
+ 		if (cp0_perfcount_irq == cp0_compare_irq)
+ 			cp0_perfcount_irq = -1;
+--- a/arch/mips/include/asm/time.h
++++ b/arch/mips/include/asm/time.h
+@@ -53,6 +53,7 @@ extern int (*perf_irq)(void);
+ #ifdef CONFIG_CEVT_R4K
+ extern int mips_clockevent_init(void);
+ extern unsigned int __weak get_c0_compare_int(void);
++extern unsigned int __weak get_c0_compare_irq(void);
+ #else
+ static inline int mips_clockevent_init(void)
+ {
diff --git a/target/linux/ar71xx/patches-2.6.28/902-mips_clocksource_init_war.patch b/target/linux/ar71xx/patches-2.6.28/902-mips_clocksource_init_war.patch
new file mode 100644
index 000000000..03a66ff13
--- /dev/null
+++ b/target/linux/ar71xx/patches-2.6.28/902-mips_clocksource_init_war.patch
@@ -0,0 +1,56 @@
+--- a/arch/mips/kernel/cevt-r4k.c
++++ b/arch/mips/kernel/cevt-r4k.c
+@@ -15,6 +15,22 @@
+ #include <asm/cevt-r4k.h>
+ 
+ /*
++ * Compare interrupt can be routed and latched outside the core,
++ * so a single execution hazard barrier may not be enough to give
++ * it time to clear as seen in the Cause register.  4 time the
++ * pipeline depth seems reasonably conservative, and empirically
++ * works better in configurations with high CPU/bus clock ratios.
++ */
++
++#define compare_change_hazard() \
++	do { \
++		irq_disable_hazard(); \
++		irq_disable_hazard(); \
++		irq_disable_hazard(); \
++		irq_disable_hazard(); \
++	} while (0)
++
++/*
+  * The SMTC Kernel for the 34K, 1004K, et. al. replaces several
+  * of these routines with SMTC-specific variants.
+  */
+@@ -30,6 +46,7 @@ static int mips_next_event(unsigned long
+ 	cnt = read_c0_count();
+ 	cnt += delta;
+ 	write_c0_compare(cnt);
++	compare_change_hazard();
+ 	res = ((int)(read_c0_count() - cnt) > 0) ? -ETIME : 0;
+ 	return res;
+ }
+@@ -99,22 +116,6 @@ static int c0_compare_int_pending(void)
+ 	return (read_c0_cause() >> cp0_compare_irq) & 0x100;
+ }
+ 
+-/*
+- * Compare interrupt can be routed and latched outside the core,
+- * so a single execution hazard barrier may not be enough to give
+- * it time to clear as seen in the Cause register.  4 time the
+- * pipeline depth seems reasonably conservative, and empirically
+- * works better in configurations with high CPU/bus clock ratios.
+- */
+-
+-#define compare_change_hazard() \
+-	do { \
+-		irq_disable_hazard(); \
+-		irq_disable_hazard(); \
+-		irq_disable_hazard(); \
+-		irq_disable_hazard(); \
+-	} while (0)
+-
+ int c0_compare_int_usable(void)
+ {
+ 	unsigned int delta;