From 843e03a3de918aebde2a658fa78a0971cc2e8b27 Mon Sep 17 00:00:00 2001 From: Hauke Mehrtens Date: Sun, 31 Jan 2010 15:13:14 +0000 Subject: [amazon] Add kernel 2.6.32 support git-svn-id: svn://svn.openwrt.org/openwrt/trunk@19458 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- target/linux/amazon/config-2.6.32 | 154 +++++++++++++++++++++ .../amazon/files/arch/mips/amazon/interrupt.c | 4 +- target/linux/amazon/files/drivers/net/amazon_sw.c | 21 +-- .../linux/amazon/files/drivers/serial/amazon_asc.c | 12 +- .../patches-2.6.32/000-mips-bad-intctl.patch | 32 +++++ .../010-mips_clocksource_init_war.patch | 33 +++++ .../amazon/patches-2.6.32/017-wdt-driver.patch | 10 ++ target/linux/amazon/patches-2.6.32/100-board.patch | 49 +++++++ .../amazon/patches-2.6.32/130-mtd_drivers.patch | 7 + .../amazon/patches-2.6.32/140-net_drivers.patch | 9 ++ .../amazon/patches-2.6.32/150-serial_driver.patch | 10 ++ .../linux/amazon/patches-2.6.32/160-cfi-swap.patch | 56 ++++++++ 12 files changed, 382 insertions(+), 15 deletions(-) create mode 100644 target/linux/amazon/config-2.6.32 create mode 100644 target/linux/amazon/patches-2.6.32/000-mips-bad-intctl.patch create mode 100644 target/linux/amazon/patches-2.6.32/010-mips_clocksource_init_war.patch create mode 100644 target/linux/amazon/patches-2.6.32/017-wdt-driver.patch create mode 100644 target/linux/amazon/patches-2.6.32/100-board.patch create mode 100644 target/linux/amazon/patches-2.6.32/130-mtd_drivers.patch create mode 100644 target/linux/amazon/patches-2.6.32/140-net_drivers.patch create mode 100644 target/linux/amazon/patches-2.6.32/150-serial_driver.patch create mode 100644 target/linux/amazon/patches-2.6.32/160-cfi-swap.patch (limited to 'target/linux/amazon') diff --git a/target/linux/amazon/config-2.6.32 b/target/linux/amazon/config-2.6.32 new file mode 100644 index 0000000000..d68558c7f2 --- /dev/null +++ b/target/linux/amazon/config-2.6.32 @@ -0,0 +1,154 @@ +CONFIG_32BIT=y +# CONFIG_64BIT is not set +CONFIG_ADM6996_SUPPORT=y +# CONFIG_ALCHEMY_GPIO_INDIRECT is not set +CONFIG_AMAZON=y +CONFIG_AMAZON_ASC_UART=y +CONFIG_AMAZON_MTD=y +CONFIG_AMAZON_NET_SW=y +CONFIG_AMAZON_PCI=y +CONFIG_AMAZON_WDT=y +# CONFIG_AR7 is not set +# CONFIG_ARCH_HAS_ILOG2_U32 is not set +# CONFIG_ARCH_HAS_ILOG2_U64 is not set +CONFIG_ARCH_HIBERNATION_POSSIBLE=y +CONFIG_ARCH_POPULATES_NODE_MAP=y +# CONFIG_ARCH_SUPPORTS_MSI is not set +CONFIG_ARCH_SUPPORTS_OPROFILE=y +CONFIG_ARCH_SUSPEND_POSSIBLE=y +# CONFIG_BCM47XX is not set +# CONFIG_BCM63XX is not set +CONFIG_BITREVERSE=y +# CONFIG_CAVIUM_OCTEON_REFERENCE_BOARD is not set +# CONFIG_CAVIUM_OCTEON_SIMULATOR is not set +CONFIG_CEVT_R4K=y +CONFIG_CEVT_R4K_LIB=y +CONFIG_CFG80211_DEFAULT_PS_VALUE=0 +CONFIG_CMDLINE="console=ttyS0,115200 rootfstype=squashfs,jffs2 init=/bin/sh" +CONFIG_CPU_BIG_ENDIAN=y +# CONFIG_CPU_CAVIUM_OCTEON is not set +CONFIG_CPU_HAS_PREFETCH=y +CONFIG_CPU_HAS_SYNC=y +# CONFIG_CPU_LITTLE_ENDIAN is not set +# CONFIG_CPU_LOONGSON2E is not set +CONFIG_CPU_MIPS32=y +# CONFIG_CPU_MIPS32_R1 is not set +CONFIG_CPU_MIPS32_R2=y +# CONFIG_CPU_MIPS64_R1 is not set +# CONFIG_CPU_MIPS64_R2 is not set +CONFIG_CPU_MIPSR2=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_R5500 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_CSRC_R4K=y +CONFIG_CSRC_R4K_LIB=y +CONFIG_DECOMPRESS_LZMA=y +CONFIG_DEVPORT=y +# CONFIG_DM9000 is not set +CONFIG_DMA_NEED_PCI_MAP_STATE=y +CONFIG_DMA_NONCOHERENT=y +CONFIG_EARLY_PRINTK=y +# CONFIG_FSNOTIFY is not set +CONFIG_GENERIC_CLOCKEVENTS=y +CONFIG_GENERIC_CLOCKEVENTS_BUILD=y +CONFIG_GENERIC_CMOS_UPDATE=y +CONFIG_GENERIC_FIND_LAST_BIT=y +CONFIG_GENERIC_FIND_NEXT_BIT=y +CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y +CONFIG_HARDWARE_WATCHPOINTS=y +CONFIG_HAS_DMA=y +CONFIG_HAS_IOMEM=y +CONFIG_HAS_IOPORT=y +CONFIG_HAVE_ARCH_KGDB=y +CONFIG_HAVE_GENERIC_DMA_COHERENT=y +CONFIG_HAVE_IDE=y +CONFIG_HAVE_OPROFILE=y +CONFIG_HAVE_STD_PC_SERIAL_PORT=y +CONFIG_HW_HAS_PCI=y +CONFIG_HW_RANDOM=y +CONFIG_INITRAMFS_SOURCE="" +CONFIG_IRQ_CPU=y +CONFIG_KALLSYMS=y +# CONFIG_MACH_ALCHEMY is not set +# CONFIG_MACH_DECSTATION is not set +# CONFIG_MACH_JAZZ is not set +# CONFIG_MACH_LOONGSON is not set +# CONFIG_MACH_TX39XX is not set +# CONFIG_MACH_TX49XX is not set +# CONFIG_MACH_VR41XX is not set +# CONFIG_MIKROTIK_RB532 is not set +CONFIG_MIPS=y +# CONFIG_MIPS_COBALT is not set +CONFIG_MIPS_L1_CACHE_SHIFT=5 +# CONFIG_MIPS_MACHINE is not set +# 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_SIM is not set +CONFIG_MTD_AMAZON_BUS_WIDTH_16=y +# CONFIG_MTD_AMAZON_BUS_WIDTH_32 is not set +# CONFIG_MTD_AMAZON_BUS_WIDTH_8 is not set +# CONFIG_MTD_AMAZON_FLASH_SIZE_16 is not set +# CONFIG_MTD_AMAZON_FLASH_SIZE_2 is not set +CONFIG_MTD_AMAZON_FLASH_SIZE_4=y +# CONFIG_MTD_AMAZON_FLASH_SIZE_8 is not set +CONFIG_MTD_CFI_ADV_OPTIONS=y +# CONFIG_MTD_CFI_GEOMETRY is not set +# CONFIG_MTD_CFI_INTELEXT is not set +CONFIG_MTD_PHYSMAP=y +CONFIG_MTD_REDBOOT_DIRECTORY_BLOCK=-3 +CONFIG_MTD_REDBOOT_PARTS=y +# CONFIG_NET_PCI is not set +# CONFIG_NO_IOPORT is not set +# CONFIG_NXP_STB220 is not set +# CONFIG_NXP_STB225 is not set +CONFIG_PAGEFLAGS_EXTENDED=y +CONFIG_PCI_DOMAINS=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_PROBE_INITRD_HEADER is not set +CONFIG_SCHED_OMIT_FRAME_POINTER=y +# CONFIG_SCSI_DMA is not set +# CONFIG_SERIAL_8250 is not set +# 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_SWAP_IO_SPACE=y +CONFIG_SYS_HAS_CPU_MIPS32_R1=y +CONFIG_SYS_HAS_CPU_MIPS32_R2=y +CONFIG_SYS_HAS_EARLY_PRINTK=y +CONFIG_SYS_SUPPORTS_32BIT_KERNEL=y +CONFIG_SYS_SUPPORTS_ARBIT_HZ=y +CONFIG_SYS_SUPPORTS_BIG_ENDIAN=y +CONFIG_TRAD_SIGNALS=y +# CONFIG_TREE_PREEMPT_RCU is not set +CONFIG_TREE_RCU=y +CONFIG_USB_SUPPORT=y +CONFIG_ZONE_DMA_FLAG=0 diff --git a/target/linux/amazon/files/arch/mips/amazon/interrupt.c b/target/linux/amazon/files/arch/mips/amazon/interrupt.c index 4746f1247e..e264ca7592 100644 --- a/target/linux/amazon/files/arch/mips/amazon/interrupt.c +++ b/target/linux/amazon/files/arch/mips/amazon/interrupt.c @@ -109,8 +109,8 @@ static void amazon_end_irq(unsigned int irq) } } -static struct hw_interrupt_type amazon_irq_type = { - "AMAZON", +static struct irq_chip amazon_irq_type = { + .name = "AMAZON", .startup = amazon_startup_irq, .enable = amazon_enable_irq, .disable = amazon_disable_irq, diff --git a/target/linux/amazon/files/drivers/net/amazon_sw.c b/target/linux/amazon/files/drivers/net/amazon_sw.c index 1101d840de..54a70622e4 100644 --- a/target/linux/amazon/files/drivers/net/amazon_sw.c +++ b/target/linux/amazon/files/drivers/net/amazon_sw.c @@ -778,6 +778,17 @@ int switch_set_mac_address(struct net_device *dev, void *p) return OK; } +static const struct net_device_ops amazon_mii_ops = { + .ndo_init = switch_init, + .ndo_open = switch_open, + .ndo_stop = switch_release, + .ndo_start_xmit = switch_tx, + .ndo_do_ioctl = switch_ioctl, + .ndo_get_stats = switch_stats, + .ndo_change_mtu = switch_change_mtu, + .ndo_set_mac_address = switch_set_mac_address, + .ndo_tx_timeout = switch_tx_timeout, +}; int switch_init(struct net_device *dev) { @@ -787,14 +798,6 @@ int switch_init(struct net_device *dev) struct switch_priv *priv; ether_setup(dev); /* assign some of the fields */ printk(KERN_INFO "amazon_mii0: %s up using ", dev->name); - dev->open = switch_open; - dev->stop = switch_release; - dev->hard_start_xmit = switch_tx; - dev->do_ioctl = switch_ioctl; - dev->get_stats = switch_stats; - dev->change_mtu = switch_change_mtu; - dev->set_mac_address = switch_set_mac_address; - dev->tx_timeout = switch_tx_timeout; dev->watchdog_timeo = timeout; priv = netdev_priv(dev); @@ -836,7 +839,7 @@ static int amazon_mii_probe(struct platform_device *dev) for (i = 0; i < AMAZON_SW_INT_NO; i++) { switch_devs[i] = alloc_etherdev(sizeof(struct switch_priv)); - switch_devs[i]->init = switch_init; + switch_devs[i]->netdev_ops = &amazon_mii_ops; strcpy(switch_devs[i]->name, "eth%d"); priv = (struct switch_priv *) netdev_priv(switch_devs[i]); priv->num = i; diff --git a/target/linux/amazon/files/drivers/serial/amazon_asc.c b/target/linux/amazon/files/drivers/serial/amazon_asc.c index f7fa907b00..fe7050c790 100644 --- a/target/linux/amazon/files/drivers/serial/amazon_asc.c +++ b/target/linux/amazon/files/drivers/serial/amazon_asc.c @@ -108,10 +108,10 @@ static void amazonasc_enable_ms(struct uart_port *port) static void amazonasc_rx_chars(struct uart_port *port) { -#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 26)) - struct tty_struct *tty = port->info->port.tty; +#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 31)) + struct tty_struct *tty = port->state->port.tty; #else - struct tty_struct *tty = port->info->tty; + struct tty_struct *tty = port->info->port.tty; #endif unsigned int ch = 0, rsr = 0, fifocnt; @@ -169,7 +169,11 @@ amazonasc_rx_chars(struct uart_port *port) static void amazonasc_tx_chars(struct uart_port *port) { +#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 31)) + struct circ_buf *xmit = &port->state->xmit; +#else struct circ_buf *xmit = &port->info->xmit; +#endif if (uart_tx_stopped(port)) { amazonasc_stop_tx(port); @@ -679,7 +683,7 @@ static int __init amazon_asc_probe(struct platform_device *dev) return res; } -static int __exit amazon_asc_remove(struct platform_device *dev) +static int amazon_asc_remove(struct platform_device *dev) { uart_unregister_driver(&amazonasc_reg); return 0; diff --git a/target/linux/amazon/patches-2.6.32/000-mips-bad-intctl.patch b/target/linux/amazon/patches-2.6.32/000-mips-bad-intctl.patch new file mode 100644 index 0000000000..ad3fe9fb32 --- /dev/null +++ b/target/linux/amazon/patches-2.6.32/000-mips-bad-intctl.patch @@ -0,0 +1,32 @@ +--- a/arch/mips/kernel/traps.c ++++ b/arch/mips/kernel/traps.c +@@ -1537,7 +1537,16 @@ void __cpuinit per_cpu_trap_init(void) + */ + if (cpu_has_mips_r2) { + cp0_compare_irq = (read_c0_intctl() >> 29) & 7; ++ if (!cp0_compare_irq) ++ cp0_compare_irq = CP0_LEGACY_COMPARE_IRQ; ++ + cp0_perfcount_irq = (read_c0_intctl() >> 26) & 7; ++ if (!cp0_perfcount_irq) ++ cp0_perfcount_irq = CP0_LEGACY_PERFCNT_IRQ; ++ ++ if (arch_fixup_c0_irqs) ++ arch_fixup_c0_irqs(); ++ + if (cp0_perfcount_irq == cp0_compare_irq) + cp0_perfcount_irq = -1; + } else { +--- a/arch/mips/include/asm/irq.h ++++ b/arch/mips/include/asm/irq.h +@@ -158,8 +158,10 @@ extern void free_irqno(unsigned int irq) + * IE7. Since R2 their number has to be read from the c0_intctl register. + */ + #define CP0_LEGACY_COMPARE_IRQ 7 ++#define CP0_LEGACY_PERFCNT_IRQ 7 + + extern int cp0_compare_irq; + extern int cp0_perfcount_irq; ++extern void __weak arch_fixup_c0_irqs(void); + + #endif /* _ASM_IRQ_H */ diff --git a/target/linux/amazon/patches-2.6.32/010-mips_clocksource_init_war.patch b/target/linux/amazon/patches-2.6.32/010-mips_clocksource_init_war.patch new file mode 100644 index 0000000000..81eabc6dcd --- /dev/null +++ b/target/linux/amazon/patches-2.6.32/010-mips_clocksource_init_war.patch @@ -0,0 +1,33 @@ +--- a/arch/mips/kernel/cevt-r4k.c ++++ b/arch/mips/kernel/cevt-r4k.c +@@ -22,6 +22,22 @@ + + #ifndef CONFIG_MIPS_MT_SMTC + ++/* ++ * 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) ++ + static int mips_next_event(unsigned long delta, + struct clock_event_device *evt) + { +@@ -31,6 +47,7 @@ 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; + } diff --git a/target/linux/amazon/patches-2.6.32/017-wdt-driver.patch b/target/linux/amazon/patches-2.6.32/017-wdt-driver.patch new file mode 100644 index 0000000000..433abd51e2 --- /dev/null +++ b/target/linux/amazon/patches-2.6.32/017-wdt-driver.patch @@ -0,0 +1,10 @@ +--- a/drivers/watchdog/Makefile ++++ b/drivers/watchdog/Makefile +@@ -113,6 +113,7 @@ 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-$(CONFIG_AMAZON_WDT) += amazon_wdt.o + + # PARISC Architecture + diff --git a/target/linux/amazon/patches-2.6.32/100-board.patch b/target/linux/amazon/patches-2.6.32/100-board.patch new file mode 100644 index 0000000000..d1d9c471a1 --- /dev/null +++ b/target/linux/amazon/patches-2.6.32/100-board.patch @@ -0,0 +1,49 @@ +--- a/arch/mips/Kconfig ++++ b/arch/mips/Kconfig +@@ -96,6 +96,22 @@ config BCM63XX + help + Support for BCM63XX based boards + ++config AMAZON ++ bool "Amazon support (EXPERIMENTAL)" ++ depends on EXPERIMENTAL ++ select DMA_NONCOHERENT ++ select IRQ_CPU ++ select CEVT_R4K ++ select CSRC_R4K ++ select SYS_HAS_CPU_MIPS32_R1 ++ select SYS_HAS_CPU_MIPS32_R2 ++ select HAVE_STD_PC_SERIAL_PORT ++ select SYS_SUPPORTS_BIG_ENDIAN ++ select SYS_SUPPORTS_32BIT_KERNEL ++ select SYS_HAS_EARLY_PRINTK ++ select HW_HAS_PCI ++ select SWAP_IO_SPACE ++ + config MIPS_COBALT + bool "Cobalt Server" + select CEVT_R4K +@@ -673,6 +689,7 @@ config CAVIUM_OCTEON_REFERENCE_BOARD + + endchoice + ++source "arch/mips/amazon/Kconfig" + source "arch/mips/alchemy/Kconfig" + source "arch/mips/basler/excite/Kconfig" + source "arch/mips/bcm63xx/Kconfig" +--- a/arch/mips/Makefile ++++ b/arch/mips/Makefile +@@ -296,6 +296,13 @@ cflags-$(CONFIG_SOC_AU1X00) += -I$(srctr + + + # ++# Infineon AMAZON ++# ++core-$(CONFIG_AMAZON) += arch/mips/amazon/ ++cflags-$(CONFIG_AMAZON) += -I$(srctree)/arch/mips/include/asm/mach-amazon ++load-$(CONFIG_AMAZON) += 0xffffffff80002000 ++ ++# + # Cobalt Server + # + core-$(CONFIG_MIPS_COBALT) += arch/mips/cobalt/ diff --git a/target/linux/amazon/patches-2.6.32/130-mtd_drivers.patch b/target/linux/amazon/patches-2.6.32/130-mtd_drivers.patch new file mode 100644 index 0000000000..fafd996706 --- /dev/null +++ b/target/linux/amazon/patches-2.6.32/130-mtd_drivers.patch @@ -0,0 +1,7 @@ +--- a/drivers/mtd/maps/Makefile ++++ b/drivers/mtd/maps/Makefile +@@ -61,3 +61,4 @@ obj-$(CONFIG_MTD_BFIN_ASYNC) += bfin-asy + obj-$(CONFIG_MTD_RBTX4939) += rbtx4939-flash.o + obj-$(CONFIG_MTD_VMU) += vmu-flash.o + obj-$(CONFIG_MTD_GPIO_ADDR) += gpio-addr-flash.o ++obj-$(CONFIG_AMAZON_MTD) += amazon.o diff --git a/target/linux/amazon/patches-2.6.32/140-net_drivers.patch b/target/linux/amazon/patches-2.6.32/140-net_drivers.patch new file mode 100644 index 0000000000..e64908c768 --- /dev/null +++ b/target/linux/amazon/patches-2.6.32/140-net_drivers.patch @@ -0,0 +1,9 @@ +--- a/drivers/net/Makefile ++++ b/drivers/net/Makefile +@@ -286,3 +286,6 @@ obj-$(CONFIG_VIRTIO_NET) += virtio_net.o + obj-$(CONFIG_SFC) += sfc/ + + obj-$(CONFIG_WIMAX) += wimax/ ++ ++obj-$(CONFIG_AMAZON_NET_SW) += amazon_sw.o ++obj-$(CONFIG_ADM6996_SUPPORT) += admmod.o diff --git a/target/linux/amazon/patches-2.6.32/150-serial_driver.patch b/target/linux/amazon/patches-2.6.32/150-serial_driver.patch new file mode 100644 index 0000000000..8b7741c93b --- /dev/null +++ b/target/linux/amazon/patches-2.6.32/150-serial_driver.patch @@ -0,0 +1,10 @@ +--- a/drivers/serial/Makefile ++++ b/drivers/serial/Makefile +@@ -3,6 +3,7 @@ + # + + obj-$(CONFIG_SERIAL_CORE) += serial_core.o ++obj-$(CONFIG_AMAZON_ASC_UART) += amazon_asc.o + obj-$(CONFIG_SERIAL_21285) += 21285.o + + # These Sparc drivers have to appear before others such as 8250 diff --git a/target/linux/amazon/patches-2.6.32/160-cfi-swap.patch b/target/linux/amazon/patches-2.6.32/160-cfi-swap.patch new file mode 100644 index 0000000000..bb89f6110d --- /dev/null +++ b/target/linux/amazon/patches-2.6.32/160-cfi-swap.patch @@ -0,0 +1,56 @@ +--- a/drivers/mtd/chips/cfi_cmdset_0002.c ++++ b/drivers/mtd/chips/cfi_cmdset_0002.c +@@ -1079,6 +1079,9 @@ static int __xipram do_write_oneword(str + int retry_cnt = 0; + + adr += chip->start; ++#ifdef CONFIG_AMAZON ++ adr ^= 2; ++#endif + + spin_lock(chip->mutex); + ret = get_chip(map, chip, adr, FL_WRITING); +@@ -1361,7 +1364,11 @@ static int __xipram do_write_buffer(stru + z = 0; + while(z < words * map_bankwidth(map)) { + datum = map_word_load(map, buf); ++#ifdef CONFIG_AMAZON ++ map_write(map, datum, (adr + z) ^ 0x2); ++#else + map_write(map, datum, adr + z); ++#endif + + z += map_bankwidth(map); + buf += map_bankwidth(map); +@@ -1606,6 +1613,9 @@ static int __xipram do_erase_oneblock(st + int ret = 0; + + adr += chip->start; ++#ifdef CONFIG_AMAZON ++ adr ^= 2; ++#endif + + spin_lock(chip->mutex); + ret = get_chip(map, chip, adr, FL_ERASING); +@@ -1734,6 +1744,10 @@ static int do_atmel_lock(struct map_info + struct cfi_private *cfi = map->fldrv_priv; + int ret; + ++#ifdef CONFIG_AMAZON ++ adr ^= 2; ++#endif ++ + spin_lock(chip->mutex); + ret = get_chip(map, chip, adr + chip->start, FL_LOCKING); + if (ret) +@@ -1770,6 +1784,10 @@ static int do_atmel_unlock(struct map_in + struct cfi_private *cfi = map->fldrv_priv; + int ret; + ++#ifdef CONFIG_AMAZON ++ adr ^= 2; ++#endif ++ + spin_lock(chip->mutex); + ret = get_chip(map, chip, adr + chip->start, FL_UNLOCKING); + if (ret) -- cgit v1.2.3