From: Gabor Juhos Date: Sat, 3 May 2008 05:43:29 +0000 (+0000) Subject: add .25 patches (kernel boots fine on LS2, LS5, FON2200 and on WRT55AG v2) X-Git-Tag: reboot~26621 X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=21c5ef4c1d5cf43b8055eea98a509412c0ab17c1;p=openwrt%2Fstaging%2Fjogo.git add .25 patches (kernel boots fine on LS2, LS5, FON2200 and on WRT55AG v2) SVN-Revision: 11016 --- diff --git a/target/linux/atheros/config-2.6.25 b/target/linux/atheros/config-2.6.25 new file mode 100644 index 0000000000..4b978403bc --- /dev/null +++ b/target/linux/atheros/config-2.6.25 @@ -0,0 +1,214 @@ +CONFIG_32BIT=y +# CONFIG_64BIT is not set +CONFIG_AR2313=y +# CONFIG_ARCH_HAS_ILOG2_U32 is not set +# CONFIG_ARCH_HAS_ILOG2_U64 is not set +CONFIG_ARCH_POPULATES_NODE_MAP=y +# CONFIG_ARCH_SUPPORTS_MSI is not set +CONFIG_ARCH_SUPPORTS_OPROFILE=y +CONFIG_ARCH_SUSPEND_POSSIBLE=y +CONFIG_ATHEROS=y +CONFIG_ATHEROS_AR5312=y +CONFIG_ATHEROS_AR5315=y +# CONFIG_ATM is not set +CONFIG_BASE_SMALL=0 +# CONFIG_BCM47XX is not set +CONFIG_BITREVERSE=y +# CONFIG_BROADCOM_PHY is not set +# CONFIG_BT is not set +CONFIG_CEVT_R4K=y +CONFIG_CLASSIC_RCU=y +CONFIG_CMDLINE="console=ttyS0,9600 rootfstype=squashfs,jffs2 init=/etc/preinit" +CONFIG_CPU_BIG_ENDIAN=y +CONFIG_CPU_HAS_LLSC=y +CONFIG_CPU_HAS_PREFETCH=y +CONFIG_CPU_HAS_SYNC=y +# CONFIG_CPU_LITTLE_ENDIAN is not set +# CONFIG_CPU_LOONGSON2 is not set +CONFIG_CPU_MIPS32=y +CONFIG_CPU_MIPS32_R1=y +# CONFIG_CPU_MIPS32_R2 is not set +# CONFIG_CPU_MIPS64_R1 is not set +# CONFIG_CPU_MIPS64_R2 is not set +CONFIG_CPU_MIPSR1=y +# CONFIG_CPU_NEVADA is not set +# CONFIG_CPU_R10000 is not set +# CONFIG_CPU_R3000 is not set +# CONFIG_CPU_R4300 is not set +# CONFIG_CPU_R4X00 is not set +# CONFIG_CPU_R5000 is not set +# CONFIG_CPU_R5432 is not set +# CONFIG_CPU_R6000 is not set +# CONFIG_CPU_R8000 is not set +# CONFIG_CPU_RM7000 is not set +# CONFIG_CPU_RM9000 is not set +# CONFIG_CPU_SB1 is not set +CONFIG_CPU_SUPPORTS_32BIT_KERNEL=y +CONFIG_CPU_SUPPORTS_HIGHMEM=y +# CONFIG_CPU_TX39XX is not set +# CONFIG_CPU_TX49XX is not set +# CONFIG_CPU_VR41XX is not set +CONFIG_CRYPTO_AEAD=m +CONFIG_CRYPTO_AUTHENC=m +CONFIG_CRYPTO_GF128MUL=m +CONFIG_CSRC_R4K=y +# CONFIG_DM9000 is not set +CONFIG_DMA_NEED_PCI_MAP_STATE=y +CONFIG_DMA_NONCOHERENT=y +# CONFIG_FIXED_PHY is not set +CONFIG_FS_POSIX_ACL=y +CONFIG_GENERIC_CLOCKEVENTS=y +CONFIG_GENERIC_CLOCKEVENTS_BUILD=y +CONFIG_GENERIC_CMOS_UPDATE=y +CONFIG_GENERIC_FIND_NEXT_BIT=y +CONFIG_GENERIC_GPIO=y +# CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ is not set +CONFIG_GPIO_DEVICE=y +CONFIG_HAS_DMA=y +CONFIG_HAS_IOMEM=y +CONFIG_HAS_IOPORT=y +CONFIG_HAVE_IDE=y +# CONFIG_HAVE_KPROBES is not set +# CONFIG_HAVE_KRETPROBES is not set +CONFIG_HAVE_OPROFILE=y +# CONFIG_HOSTAP is not set +CONFIG_HW_RANDOM=y +# CONFIG_I2C is not set +# CONFIG_IBM_NEW_EMAC_EMAC4 is not set +# CONFIG_IBM_NEW_EMAC_RGMII is not set +# CONFIG_IBM_NEW_EMAC_TAH is not set +# CONFIG_IBM_NEW_EMAC_ZMII is not set +CONFIG_ICPLUS_PHY=y +# CONFIG_IDE is not set +# CONFIG_IEEE80211 is not set +CONFIG_INITRAMFS_SOURCE="" +CONFIG_IRQ_CPU=y +# CONFIG_LEDS_ALIX is not set +# CONFIG_LEDS_GPIO is not set +# CONFIG_LEMOTE_FULONG is not set +CONFIG_LZO_COMPRESS=m +CONFIG_LZO_DECOMPRESS=m +# CONFIG_MACH_ALCHEMY is not set +# CONFIG_MACH_DECSTATION is not set +# CONFIG_MACH_JAZZ is not set +# CONFIG_MACH_VR41XX is not set +# CONFIG_MDIO_BITBANG is not set +# CONFIG_MEMSTICK is not set +CONFIG_MIPS=y +# CONFIG_MIPS_ATLAS is not set +# CONFIG_MIPS_COBALT is not set +CONFIG_MIPS_L1_CACHE_SHIFT=5 +# CONFIG_MIPS_MALTA is not set +CONFIG_MIPS_MT_DISABLED=y +# CONFIG_MIPS_MT_SMP is not set +# CONFIG_MIPS_MT_SMTC is not set +# CONFIG_MIPS_SEAD is not set +# CONFIG_MIPS_SIM is not set +CONFIG_MTD=y +# CONFIG_MTD_ABSENT is not set +CONFIG_MTD_BLKDEVS=y +CONFIG_MTD_BLOCK=y +# CONFIG_MTD_BLOCK2MTD is not set +CONFIG_MTD_CFI=y +CONFIG_MTD_CFI_ADV_OPTIONS=y +CONFIG_MTD_CFI_AMDSTD=y +# CONFIG_MTD_CFI_BE_BYTE_SWAP is not set +# CONFIG_MTD_CFI_GEOMETRY is not set +CONFIG_MTD_CFI_I1=y +CONFIG_MTD_CFI_I2=y +# CONFIG_MTD_CFI_I4 is not set +# CONFIG_MTD_CFI_I8 is not set +# CONFIG_MTD_CFI_INTELEXT is not set +# CONFIG_MTD_CFI_LE_BYTE_SWAP is not set +CONFIG_MTD_CFI_NOSWAP=y +# CONFIG_MTD_CFI_STAA is not set +CONFIG_MTD_CFI_UTIL=y +CONFIG_MTD_CHAR=y +# CONFIG_MTD_CMDLINE_PARTS is not set +CONFIG_MTD_COMPLEX_MAPPINGS=y +# CONFIG_MTD_CONCAT is not set +# CONFIG_MTD_DEBUG is not set +# CONFIG_MTD_DOC2000 is not set +# CONFIG_MTD_DOC2001 is not set +# CONFIG_MTD_DOC2001PLUS is not set +CONFIG_MTD_GEN_PROBE=y +# CONFIG_MTD_JEDECPROBE is not set +CONFIG_MTD_MAP_BANK_WIDTH_1=y +# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set +CONFIG_MTD_MAP_BANK_WIDTH_2=y +# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set +CONFIG_MTD_MAP_BANK_WIDTH_4=y +# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set +# CONFIG_MTD_MTDRAM is not set +# CONFIG_MTD_ONENAND is not set +# CONFIG_MTD_OTP is not set +CONFIG_MTD_PARTITIONS=y +# CONFIG_MTD_PHRAM is not set +CONFIG_MTD_PHYSMAP=y +CONFIG_MTD_PHYSMAP_BANKWIDTH=0 +CONFIG_MTD_PHYSMAP_LEN=0x0 +CONFIG_MTD_PHYSMAP_START=0x0 +# CONFIG_MTD_PLATRAM is not set +# CONFIG_MTD_RAM is not set +CONFIG_MTD_REDBOOT_DIRECTORY_BLOCK=-3 +CONFIG_MTD_REDBOOT_PARTS=y +CONFIG_MTD_REDBOOT_PARTS_READONLY=y +# CONFIG_MTD_ROM is not set +# CONFIG_MTD_SLRAM is not set +CONFIG_MTD_SPIFLASH=y +CONFIG_NEW_GPIO=y +# CONFIG_NO_IOPORT is not set +# CONFIG_PAGE_SIZE_16KB is not set +CONFIG_PAGE_SIZE_4KB=y +# CONFIG_PAGE_SIZE_64KB is not set +# CONFIG_PAGE_SIZE_8KB is not set +CONFIG_PHYLIB=y +# CONFIG_PMC_MSP is not set +# CONFIG_PMC_YOSEMITE is not set +# CONFIG_PNX8550_JBS is not set +# CONFIG_PNX8550_STB810 is not set +# CONFIG_QSEMI_PHY is not set +# CONFIG_REALTEK_PHY is not set +# CONFIG_RTC is not set +CONFIG_RTC_LIB=y +CONFIG_RWSEM_GENERIC_SPINLOCK=y +CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y +CONFIG_SCSI_WAIT_SCAN=m +# CONFIG_SERIAL_8250_EXTENDED is not set +CONFIG_SERIAL_8250_NR_UARTS=1 +CONFIG_SERIAL_8250_RUNTIME_UARTS=1 +# CONFIG_SGI_IP22 is not set +# CONFIG_SGI_IP27 is not set +# CONFIG_SGI_IP28 is not set +# CONFIG_SGI_IP32 is not set +# CONFIG_SIBYTE_BIGSUR is not set +# CONFIG_SIBYTE_CARMEL is not set +# CONFIG_SIBYTE_CRHINE is not set +# CONFIG_SIBYTE_CRHONE is not set +# CONFIG_SIBYTE_LITTLESUR is not set +# CONFIG_SIBYTE_RHONE is not set +# CONFIG_SIBYTE_SENTOSA is not set +# CONFIG_SIBYTE_SWARM is not set +CONFIG_SLABINFO=y +# CONFIG_SMSC_PHY is not set +# CONFIG_SOFT_WATCHDOG is not set +# CONFIG_SPARSEMEM_STATIC is not set +# CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set +CONFIG_SSB_POSSIBLE=y +CONFIG_SYSVIPC_SYSCTL=y +CONFIG_SYS_HAS_CPU_MIPS32_R1=y +CONFIG_SYS_SUPPORTS_32BIT_KERNEL=y +CONFIG_SYS_SUPPORTS_ARBIT_HZ=y +CONFIG_SYS_SUPPORTS_BIG_ENDIAN=y +# CONFIG_THERMAL is not set +CONFIG_TICK_ONESHOT=y +# CONFIG_TOSHIBA_JMR3927 is not set +# CONFIG_TOSHIBA_RBTX4927 is not set +# CONFIG_TOSHIBA_RBTX4938 is not set +CONFIG_TRAD_SIGNALS=y +# CONFIG_USB_ARCH_HAS_EHCI is not set +# CONFIG_USB_ARCH_HAS_HCD is not set +# CONFIG_USB_ARCH_HAS_OHCI is not set +# CONFIG_VGASTATE is not set +CONFIG_VIDEO_V4L2_COMMON=m +CONFIG_ZONE_DMA_FLAG=0 diff --git a/target/linux/atheros/patches-2.6.25/100-board.patch b/target/linux/atheros/patches-2.6.25/100-board.patch new file mode 100644 index 0000000000..30f001acde --- /dev/null +++ b/target/linux/atheros/patches-2.6.25/100-board.patch @@ -0,0 +1,72 @@ +Index: linux-2.6.25.1/arch/mips/Kconfig +=================================================================== +--- linux-2.6.25.1.orig/arch/mips/Kconfig ++++ linux-2.6.25.1/arch/mips/Kconfig +@@ -59,6 +59,18 @@ config BCM47XX + help + Support for BCM47XX based boards + ++config ATHEROS ++ bool "Atheros SoC support (EXPERIMENTAL)" ++ depends on EXPERIMENTAL ++ select DMA_NONCOHERENT ++ select CEVT_R4K ++ select CSRC_R4K ++ select IRQ_CPU ++ select SYS_HAS_CPU_MIPS32_R1 ++ select SYS_SUPPORTS_BIG_ENDIAN ++ select SYS_SUPPORTS_32BIT_KERNEL ++ select GENERIC_GPIO ++ + config MIPS_COBALT + bool "Cobalt Server" + select CEVT_R4K +@@ -683,6 +695,7 @@ config WR_PPMC + + endchoice + ++source "arch/mips/atheros/Kconfig" + source "arch/mips/au1000/Kconfig" + source "arch/mips/basler/excite/Kconfig" + source "arch/mips/jazz/Kconfig" +Index: linux-2.6.25.1/arch/mips/Makefile +=================================================================== +--- linux-2.6.25.1.orig/arch/mips/Makefile ++++ linux-2.6.25.1/arch/mips/Makefile +@@ -276,6 +276,13 @@ libs-$(CONFIG_MIPS_XXS1500) += arch/mips + load-$(CONFIG_MIPS_XXS1500) += 0xffffffff80100000 + + # ++# Atheros AR5312/AR2312 WiSoC ++# ++core-$(CONFIG_ATHEROS) += arch/mips/atheros/ ++cflags-$(CONFIG_ATHEROS) += -Iinclude/asm-mips/mach-atheros ++load-$(CONFIG_ATHEROS) += 0xffffffff80041000 ++ ++# + # Cobalt Server + # + core-$(CONFIG_MIPS_COBALT) += arch/mips/cobalt/ +Index: linux-2.6.25.1/include/asm-mips/bootinfo.h +=================================================================== +--- linux-2.6.25.1.orig/include/asm-mips/bootinfo.h ++++ linux-2.6.25.1/include/asm-mips/bootinfo.h +@@ -94,6 +94,18 @@ + #define MACH_MSP7120_FPGA 5 /* PMC-Sierra MSP7120 Emulation */ + #define MACH_MSP_OTHER 255 /* PMC-Sierra unknown board type */ + ++/* ++ * Valid machtype for group ATHEROS ++ */ ++#define MACH_GROUP_ATHEROS 26 ++#define MACH_ATHEROS_AR5312 0 ++#define MACH_ATHEROS_AR2312 1 ++#define MACH_ATHEROS_AR2313 2 ++#define MACH_ATHEROS_AR2315 3 ++#define MACH_ATHEROS_AR2316 4 ++#define MACH_ATHEROS_AR2317 5 ++#define MACH_ATHEROS_AR2318 6 ++ + #define CL_SIZE COMMAND_LINE_SIZE + + extern char *system_type; diff --git a/target/linux/atheros/patches-2.6.25/110-spiflash.patch b/target/linux/atheros/patches-2.6.25/110-spiflash.patch new file mode 100644 index 0000000000..bb66f02fb5 --- /dev/null +++ b/target/linux/atheros/patches-2.6.25/110-spiflash.patch @@ -0,0 +1,24 @@ +Index: linux-2.6.25.1/drivers/mtd/devices/Kconfig +=================================================================== +--- linux-2.6.25.1.orig/drivers/mtd/devices/Kconfig ++++ linux-2.6.25.1/drivers/mtd/devices/Kconfig +@@ -77,6 +77,10 @@ config MTD_M25P80 + if you want to specify device partitioning or to use a device which + doesn't support the JEDEC ID instruction. + ++config MTD_SPIFLASH ++ tristate "Atheros AR2315/6/7 SPI Flash support" ++ depends on ATHEROS_AR5315 ++ + config MTD_SLRAM + tristate "Uncached system RAM" + help +Index: linux-2.6.25.1/drivers/mtd/devices/Makefile +=================================================================== +--- linux-2.6.25.1.orig/drivers/mtd/devices/Makefile ++++ linux-2.6.25.1/drivers/mtd/devices/Makefile +@@ -17,3 +17,4 @@ obj-$(CONFIG_MTD_LART) += lart.o + obj-$(CONFIG_MTD_BLOCK2MTD) += block2mtd.o + obj-$(CONFIG_MTD_DATAFLASH) += mtd_dataflash.o + obj-$(CONFIG_MTD_M25P80) += m25p80.o ++obj-$(CONFIG_MTD_SPIFLASH) += spiflash.o diff --git a/target/linux/atheros/patches-2.6.25/130-ar2313_ethernet.patch b/target/linux/atheros/patches-2.6.25/130-ar2313_ethernet.patch new file mode 100644 index 0000000000..2d2ce45599 --- /dev/null +++ b/target/linux/atheros/patches-2.6.25/130-ar2313_ethernet.patch @@ -0,0 +1,29 @@ +Index: linux-2.6.25.1/drivers/net/Kconfig +=================================================================== +--- linux-2.6.25.1.orig/drivers/net/Kconfig ++++ linux-2.6.25.1/drivers/net/Kconfig +@@ -367,6 +367,12 @@ config AX88796_93CX6 + help + Select this if your platform comes with an external 93CX6 eeprom. + ++config AR2313 ++ tristate "AR2313 Ethernet support" ++ depends on NET_ETHERNET && ATHEROS ++ help ++ Support for the AR231x/531x ethernet controller ++ + config MACE + tristate "MACE (Power Mac ethernet) support" + depends on PPC_PMAC && PPC32 +Index: linux-2.6.25.1/drivers/net/Makefile +=================================================================== +--- linux-2.6.25.1.orig/drivers/net/Makefile ++++ linux-2.6.25.1/drivers/net/Makefile +@@ -194,6 +194,7 @@ obj-$(CONFIG_MVME147_NET) += mvme147.o 7 + obj-$(CONFIG_EQUALIZER) += eql.o + obj-$(CONFIG_MIPS_JAZZ_SONIC) += jazzsonic.o + obj-$(CONFIG_MIPS_AU1X00_ENET) += au1000_eth.o ++obj-$(CONFIG_AR2313) += ar2313/ + obj-$(CONFIG_MIPS_SIM_NET) += mipsnet.o + obj-$(CONFIG_SGI_IOC3_ETH) += ioc3-eth.o + obj-$(CONFIG_DECLANCE) += declance.o diff --git a/target/linux/atheros/patches-2.6.25/140-redboot_partition_scan.patch b/target/linux/atheros/patches-2.6.25/140-redboot_partition_scan.patch new file mode 100644 index 0000000000..467fcada2e --- /dev/null +++ b/target/linux/atheros/patches-2.6.25/140-redboot_partition_scan.patch @@ -0,0 +1,56 @@ +Index: linux-2.6.25.1/drivers/mtd/redboot.c +=================================================================== +--- linux-2.6.25.1.orig/drivers/mtd/redboot.c ++++ linux-2.6.25.1/drivers/mtd/redboot.c +@@ -59,31 +59,32 @@ 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); + +@@ -155,6 +156,11 @@ 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/atheros/patches-2.6.25/150-bridge-printk.patch b/target/linux/atheros/patches-2.6.25/150-bridge-printk.patch new file mode 100644 index 0000000000..ffff0cd34c --- /dev/null +++ b/target/linux/atheros/patches-2.6.25/150-bridge-printk.patch @@ -0,0 +1,28 @@ +Index: linux-2.6.25.1/net/core/dev.c +=================================================================== +--- linux-2.6.25.1.orig/net/core/dev.c ++++ linux-2.6.25.1/net/core/dev.c +@@ -3755,8 +3755,8 @@ int register_netdevice(struct net_device + /* Fix illegal SG+CSUM combinations. */ + if ((dev->features & NETIF_F_SG) && + !(dev->features & NETIF_F_ALL_CSUM)) { +- printk(KERN_NOTICE "%s: Dropping NETIF_F_SG since no checksum feature.\n", +- dev->name); ++ //printk(KERN_NOTICE "%s: Dropping NETIF_F_SG since no checksum feature.\n", ++ // dev->name); + dev->features &= ~NETIF_F_SG; + } + +@@ -3769,9 +3769,9 @@ int register_netdevice(struct net_device + } + if (dev->features & NETIF_F_UFO) { + if (!(dev->features & NETIF_F_HW_CSUM)) { +- printk(KERN_ERR "%s: Dropping NETIF_F_UFO since no " +- "NETIF_F_HW_CSUM feature.\n", +- dev->name); ++ //printk(KERN_ERR "%s: Dropping NETIF_F_UFO since no " ++ // "NETIF_F_HW_CSUM feature.\n", ++ // dev->name); + dev->features &= ~NETIF_F_UFO; + } + if (!(dev->features & NETIF_F_SG)) { diff --git a/target/linux/atheros/patches-2.6.25/900-cevt_r4k_irq_disable_hazard.patch b/target/linux/atheros/patches-2.6.25/900-cevt_r4k_irq_disable_hazard.patch new file mode 100644 index 0000000000..3b72a9e273 --- /dev/null +++ b/target/linux/atheros/patches-2.6.25/900-cevt_r4k_irq_disable_hazard.patch @@ -0,0 +1,12 @@ +Index: linux-2.6.25.1/arch/mips/kernel/cevt-r4k.c +=================================================================== +--- linux-2.6.25.1.orig/arch/mips/kernel/cevt-r4k.c ++++ linux-2.6.25.1/arch/mips/kernel/cevt-r4k.c +@@ -205,6 +205,7 @@ static int c0_compare_int_usable(void) + while ((int)(read_c0_count() - cnt) <= 0) + ; /* Wait for expiry */ + ++ irq_disable_hazard(); + if (!c0_compare_int_pending()) + return 0; + diff --git a/target/linux/atheros/patches-2.6.25/901-get_c0_compare_irq_function.patch b/target/linux/atheros/patches-2.6.25/901-get_c0_compare_irq_function.patch new file mode 100644 index 0000000000..1e548c8f00 --- /dev/null +++ b/target/linux/atheros/patches-2.6.25/901-get_c0_compare_irq_function.patch @@ -0,0 +1,49 @@ +Index: linux-2.6.25.1/arch/mips/kernel/traps.c +=================================================================== +--- linux-2.6.25.1.orig/arch/mips/kernel/traps.c ++++ linux-2.6.25.1/arch/mips/kernel/traps.c +@@ -42,6 +42,7 @@ + #include + #include + #include ++#include + + extern asmlinkage void handle_int(void); + extern asmlinkage void handle_tlbm(void); +@@ -1379,6 +1380,8 @@ 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; +Index: linux-2.6.25.1/include/asm-mips/time.h +=================================================================== +--- linux-2.6.25.1.orig/include/asm-mips/time.h ++++ linux-2.6.25.1/include/asm-mips/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) + { +Index: linux-2.6.25.1/arch/mips/atheros/board.c +=================================================================== +--- linux-2.6.25.1.orig/arch/mips/atheros/board.c ++++ linux-2.6.25.1/arch/mips/atheros/board.c +@@ -205,6 +205,11 @@ void (*board_time_init)(void); + void __init plat_time_init(void) { + board_time_init(); + } ++ ++unsigned int __init get_c0_compare_irq(void) ++{ ++ return CP0_LEGACY_COMPARE_IRQ; ++} + #endif + + void __init arch_init_irq(void)