add preliminary 2.6.32 support
SVN-Revision: 19826
This commit is contained in:
parent
3e139467ce
commit
b57690432c
12 changed files with 1104 additions and 0 deletions
288
target/linux/rdc/config-2.6.32
Normal file
288
target/linux/rdc/config-2.6.32
Normal file
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@ -0,0 +1,288 @@
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# CONFIG_4KSTACKS is not set
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# CONFIG_60XX_WDT is not set
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# CONFIG_64BIT is not set
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# CONFIG_ACQUIRE_WDT is not set
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# CONFIG_ADVANTECH_WDT is not set
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# CONFIG_ALIM1535_WDT is not set
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CONFIG_ARCH_DEFCONFIG="arch/x86/configs/i386_defconfig"
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CONFIG_ARCH_HAS_CACHE_LINE_SIZE=y
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CONFIG_ARCH_HAS_CPU_IDLE_WAIT=y
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CONFIG_ARCH_HAS_CPU_RELAX=y
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CONFIG_ARCH_HAS_DEFAULT_IDLE=y
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CONFIG_ARCH_HIBERNATION_POSSIBLE=y
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CONFIG_ARCH_MAY_HAVE_PC_FDC=y
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# CONFIG_ARCH_PHYS_ADDR_T_64BIT is not set
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CONFIG_ARCH_POPULATES_NODE_MAP=y
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CONFIG_ARCH_REQUIRE_GPIOLIB=y
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CONFIG_ARCH_SELECT_MEMORY_MODEL=y
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CONFIG_ARCH_SPARSEMEM_ENABLE=y
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CONFIG_ARCH_SUPPORTS_DEBUG_PAGEALLOC=y
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# CONFIG_ARCH_SUPPORTS_MSI is not set
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CONFIG_ARCH_SUPPORTS_OPTIMIZED_INLINING=y
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CONFIG_ARCH_SUSPEND_POSSIBLE=y
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CONFIG_ARCH_WANT_FRAME_POINTERS=y
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CONFIG_ARCH_WANT_OPTIONAL_GPIOLIB=y
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# CONFIG_ARPD is not set
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# CONFIG_AUDIT_ARCH is not set
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# CONFIG_BASE_FULL is not set
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CONFIG_BASE_SMALL=1
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CONFIG_BITREVERSE=y
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# CONFIG_BLK_DEV_INITRD is not set
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CONFIG_BLK_DEV_RAM=y
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CONFIG_BLK_DEV_RAM_COUNT=16
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CONFIG_BLK_DEV_RAM_SIZE=4096
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CONFIG_BOUNCE=y
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CONFIG_CC_OPTIMIZE_FOR_SIZE=y
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# CONFIG_CC_STACKPROTECTOR is not set
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CONFIG_CFG80211_DEFAULT_PS_VALUE=0
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CONFIG_CLOCKSOURCE_WATCHDOG=y
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CONFIG_CMDLINE="console=ttyS0,38400 rootfstype=squashfs,jffs2"
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CONFIG_CMDLINE_BOOL=y
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# CONFIG_CMDLINE_OVERRIDE is not set
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# CONFIG_COMPAT_VDSO is not set
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# CONFIG_CPU5_WDT is not set
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# CONFIG_CPU_SUP_AMD is not set
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# CONFIG_CPU_SUP_CENTAUR is not set
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# CONFIG_CPU_SUP_CYRIX_32 is not set
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# CONFIG_CPU_SUP_INTEL is not set
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# CONFIG_CPU_SUP_TRANSMETA_32 is not set
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# CONFIG_CPU_SUP_UMC_32 is not set
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# CONFIG_CS5535_GPIO is not set
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# CONFIG_DCDBAS is not set
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# CONFIG_DEBUG_FS is not set
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CONFIG_DECOMPRESS_LZMA=y
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CONFIG_DEFAULT_IO_DELAY_TYPE=0
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# CONFIG_DELL_RBU is not set
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CONFIG_DEVPORT=y
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# CONFIG_DMI is not set
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CONFIG_DOUBLEFAULT=y
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# CONFIG_EARLY_PRINTK is not set
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# CONFIG_EDD is not set
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# CONFIG_EUROTECH_WDT is not set
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# CONFIG_FIRMWARE_MEMMAP is not set
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CONFIG_FIX_EARLYCON_MEM=y
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# CONFIG_FRAME_POINTER is not set
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# CONFIG_FSNOTIFY is not set
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CONFIG_GENERIC_BUG=y
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CONFIG_GENERIC_CLOCKEVENTS=y
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CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
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CONFIG_GENERIC_CMOS_UPDATE=y
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# CONFIG_GENERIC_CPU is not set
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CONFIG_GENERIC_FIND_FIRST_BIT=y
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CONFIG_GENERIC_FIND_LAST_BIT=y
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CONFIG_GENERIC_FIND_NEXT_BIT=y
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CONFIG_GENERIC_GPIO=y
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CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
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CONFIG_GENERIC_IOMAP=y
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CONFIG_GENERIC_ISA_DMA=y
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# CONFIG_GENERIC_TIME_VSYSCALL is not set
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# CONFIG_GEN_RTC is not set
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CONFIG_GPIOLIB=y
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CONFIG_GPIO_SYSFS=y
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# CONFIG_HAMRADIO is not set
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# CONFIG_HANGCHECK_TIMER is not set
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CONFIG_HAS_DMA=y
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CONFIG_HAS_IOMEM=y
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CONFIG_HAS_IOPORT=y
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CONFIG_HAVE_AOUT=y
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CONFIG_HAVE_ARCH_KGDB=y
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CONFIG_HAVE_ARCH_KMEMCHECK=y
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CONFIG_HAVE_ARCH_TRACEHOOK=y
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CONFIG_HAVE_ATOMIC_IOMAP=y
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# CONFIG_HAVE_CPUMASK_OF_CPU_MAP is not set
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CONFIG_HAVE_DMA_API_DEBUG=y
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CONFIG_HAVE_DMA_ATTRS=y
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CONFIG_HAVE_DYNAMIC_FTRACE=y
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CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS=y
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CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y
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CONFIG_HAVE_FUNCTION_GRAPH_FP_TEST=y
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CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y
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CONFIG_HAVE_FUNCTION_TRACER=y
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CONFIG_HAVE_FUNCTION_TRACE_MCOUNT_TEST=y
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CONFIG_HAVE_GENERIC_DMA_COHERENT=y
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CONFIG_HAVE_IDE=y
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CONFIG_HAVE_IOREMAP_PROT=y
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CONFIG_HAVE_KERNEL_BZIP2=y
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CONFIG_HAVE_KERNEL_GZIP=y
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CONFIG_HAVE_KERNEL_LZMA=y
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CONFIG_HAVE_KERNEL_LZO=y
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CONFIG_HAVE_KPROBES=y
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CONFIG_HAVE_KRETPROBES=y
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CONFIG_HAVE_KVM=y
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CONFIG_HAVE_LATENCYTOP_SUPPORT=y
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CONFIG_HAVE_MMIOTRACE_SUPPORT=y
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CONFIG_HAVE_OPROFILE=y
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CONFIG_HAVE_SETUP_PER_CPU_AREA=y
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CONFIG_HAVE_SYSCALL_TRACEPOINTS=y
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CONFIG_HAVE_UNSTABLE_SCHED_CLOCK=y
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# CONFIG_HIGHMEM4G is not set
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# CONFIG_HIGHMEM64G is not set
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# CONFIG_HIGH_RES_TIMERS is not set
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# CONFIG_HPET_TIMER is not set
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# CONFIG_HP_WATCHDOG is not set
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# CONFIG_HUGETLBFS is not set
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# CONFIG_HW_RANDOM is not set
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CONFIG_HZ=250
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# CONFIG_HZ_100 is not set
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CONFIG_HZ_250=y
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# CONFIG_I6300ESB_WDT is not set
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# CONFIG_I8K is not set
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# CONFIG_IB700_WDT is not set
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# CONFIG_IBMASR is not set
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# CONFIG_IOMMU_API is not set
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# CONFIG_IOMMU_HELPER is not set
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# CONFIG_IOMMU_STRESS is not set
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CONFIG_IO_DELAY_0X80=y
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# CONFIG_IO_DELAY_0XED is not set
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# CONFIG_IO_DELAY_NONE is not set
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CONFIG_IO_DELAY_TYPE_0X80=0
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CONFIG_IO_DELAY_TYPE_0XED=1
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CONFIG_IO_DELAY_TYPE_NONE=3
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CONFIG_IO_DELAY_TYPE_UDELAY=2
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# CONFIG_IO_DELAY_UDELAY is not set
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# CONFIG_IP_MROUTE is not set
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# CONFIG_ISA is not set
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CONFIG_ISA_DMA_API=y
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# CONFIG_ISCSI_IBFT_FIND is not set
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# CONFIG_IT8712F_WDT is not set
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# CONFIG_IT87_WDT is not set
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# CONFIG_ITCO_WDT is not set
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# CONFIG_JFFS2_SUMMARY is not set
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CONFIG_KTIME_SCALAR=y
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# CONFIG_LEDS_ALIX2 is not set
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CONFIG_LEDS_GPIO=y
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# CONFIG_LEDS_TRIGGER_HEARTBEAT is not set
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# CONFIG_LEDS_TRIGGER_NETDEV is not set
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# CONFIG_LEDS_TRIGGER_TIMER is not set
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# CONFIG_M386 is not set
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CONFIG_M486=y
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# CONFIG_M586 is not set
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# CONFIG_M586MMX is not set
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# CONFIG_M586TSC is not set
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# CONFIG_M686 is not set
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# CONFIG_MACHZ_WDT is not set
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CONFIG_MATH_EMULATION=y
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# CONFIG_MATOM is not set
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# CONFIG_MCA is not set
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# CONFIG_MCORE2 is not set
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# CONFIG_MCRUSOE is not set
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# CONFIG_MCYRIXIII is not set
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# CONFIG_MEFFICEON is not set
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# CONFIG_MEMTEST is not set
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# CONFIG_MGEODEGX1 is not set
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# CONFIG_MGEODE_LX is not set
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# CONFIG_MICROCODE is not set
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# CONFIG_MK6 is not set
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# CONFIG_MK7 is not set
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# CONFIG_MK8 is not set
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CONFIG_MODULE_FORCE_UNLOAD=y
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# CONFIG_MPENTIUM4 is not set
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# CONFIG_MPENTIUMII is not set
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# CONFIG_MPENTIUMIII is not set
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# CONFIG_MPENTIUMM is not set
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# CONFIG_MPSC is not set
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# CONFIG_MTD_CFI_INTELEXT is not set
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# CONFIG_MTD_COMPLEX_MAPPINGS is not set
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# CONFIG_MTD_NETSC520 is not set
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CONFIG_MTD_PHYSMAP=y
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# CONFIG_MTD_R8610 is not set
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# CONFIG_MTD_RDC3210 is not set
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# CONFIG_MTD_TS5500 is not set
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# CONFIG_MTRR is not set
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# CONFIG_MVIAC3_2 is not set
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# CONFIG_MVIAC7 is not set
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# CONFIG_MWINCHIP3D is not set
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# CONFIG_MWINCHIPC6 is not set
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CONFIG_NEED_PER_CPU_EMBED_FIRST_CHUNK=y
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CONFIG_NEED_PER_CPU_PAGE_FIRST_CHUNK=y
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# CONFIG_NETDEV_1000 is not set
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CONFIG_NOHIGHMEM=y
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CONFIG_NR_CPUS=1
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# CONFIG_NSC_GPIO is not set
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# CONFIG_OLPC is not set
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# CONFIG_OPTIMIZE_INLINING is not set
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CONFIG_OUTPUT_FORMAT="elf32-i386"
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CONFIG_PAGEFLAGS_EXTENDED=y
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CONFIG_PAGE_OFFSET=0xC0000000
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# CONFIG_PARAVIRT_GUEST is not set
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# CONFIG_PC8736x_GPIO is not set
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# CONFIG_PC87413_WDT is not set
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# CONFIG_PCIEPORTBUS is not set
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CONFIG_PCI_BIOS=y
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CONFIG_PCI_DIRECT=y
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CONFIG_PCI_DISABLE_COMMON_QUIRKS=y
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CONFIG_PCI_DOMAINS=y
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CONFIG_PCI_GOANY=y
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# CONFIG_PCI_GOBIOS is not set
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# CONFIG_PCI_GODIRECT is not set
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# CONFIG_PCI_GOMMCONFIG is not set
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# CONFIG_PCI_GOOLPC is not set
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# CONFIG_PCI_QUIRKS is not set
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CONFIG_PHYSICAL_ALIGN=0x100000
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CONFIG_PHYSICAL_START=0x100000
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CONFIG_PROCESSOR_SELECT=y
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# CONFIG_PROVIDE_OHCI1394_DMA_INIT is not set
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CONFIG_RDC321X_WDT=m
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# CONFIG_RELOCATABLE is not set
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# CONFIG_RTC is not set
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# CONFIG_RWSEM_GENERIC_SPINLOCK is not set
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CONFIG_RWSEM_XCHGADD_ALGORITHM=y
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# CONFIG_SBC7240_WDT is not set
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# CONFIG_SBC8360_WDT is not set
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# CONFIG_SBC_EPX_C3_WATCHDOG is not set
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# CONFIG_SC1200_WDT is not set
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# CONFIG_SC520_WDT is not set
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# CONFIG_SCHED_HRTICK is not set
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CONFIG_SCHED_OMIT_FRAME_POINTER=y
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# CONFIG_SCSI_DMA is not set
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# CONFIG_SCx200 is not set
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# CONFIG_SERIAL_8250_EXTENDED is not set
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# CONFIG_SHMEM is not set
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# CONFIG_SMSC37B787_WDT is not set
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# CONFIG_SMSC_SCH311X_WDT is not set
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CONFIG_SPARSEMEM_STATIC=y
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# CONFIG_STRICT_DEVMEM is not set
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# CONFIG_TELCLOCK is not set
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# CONFIG_TOSHIBA is not set
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# CONFIG_TREE_PREEMPT_RCU is not set
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CONFIG_TREE_RCU=y
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CONFIG_UID16=y
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CONFIG_USB_SUPPORT=y
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CONFIG_USER_STACKTRACE_SUPPORT=y
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# CONFIG_VM86 is not set
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# CONFIG_W83697UG_WDT is not set
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# CONFIG_WAFER_WDT is not set
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CONFIG_X86=y
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CONFIG_X86_32=y
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CONFIG_X86_32_LAZY_GS=y
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# CONFIG_X86_64 is not set
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CONFIG_X86_ALIGNMENT_16=y
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CONFIG_X86_BSWAP=y
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# CONFIG_X86_CHECK_BIOS_CORRUPTION is not set
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CONFIG_X86_CMPXCHG=y
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CONFIG_X86_CPU=y
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# CONFIG_X86_CPUID is not set
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# CONFIG_X86_ELAN is not set
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CONFIG_X86_EXTENDED_PLATFORM=y
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CONFIG_X86_F00F_BUG=y
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# CONFIG_X86_GENERIC is not set
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CONFIG_X86_INTERNODE_CACHE_BYTES=64
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CONFIG_X86_INVLPG=y
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CONFIG_X86_L1_CACHE_BYTES=64
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CONFIG_X86_L1_CACHE_SHIFT=4
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# CONFIG_X86_MCE is not set
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CONFIG_X86_MINIMUM_CPU_FAMILY=4
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# CONFIG_X86_MRST is not set
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# CONFIG_X86_MSR is not set
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# CONFIG_X86_PAE is not set
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# CONFIG_X86_PLATFORM_DEVICES is not set
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CONFIG_X86_POPAD_OK=y
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# CONFIG_X86_PPRO_FENCE is not set
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CONFIG_X86_RDC321X=y
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CONFIG_X86_REBOOTFIXUPS=y
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# CONFIG_X86_RESERVE_LOW_64K is not set
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# CONFIG_X86_UP_APIC is not set
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# CONFIG_X86_VERBOSE_BOOTUP is not set
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CONFIG_X86_WP_WORKS_OK=y
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CONFIG_X86_XADD=y
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# CONFIG_ZONE_DMA32 is not set
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@ -0,0 +1,16 @@
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#ifndef _ASM_X86_MACH_RDC321X_GPIO_H
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#define _ASM_X86_MACH_RDC321X_GPIO_H
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#include <linux/kernel.h>
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#define gpio_to_irq(gpio) NULL
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#define gpio_get_value __gpio_get_value
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#define gpio_set_value __gpio_set_value
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#define gpio_cansleep __gpio_cansleep
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/* For cansleep */
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#include <asm-generic/gpio.h>
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#endif /* _ASM_X86_MACH_RDC321X_GPIO_H */
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@ -0,0 +1,5 @@
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#
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# Makefile for the RDC321x specific parts of the kernel
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#
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obj-$(CONFIG_X86_RDC321X) := gpio.o platform.o
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158
target/linux/rdc/files-2.6.32/arch/x86/mach-rdc321x/gpio.c
Normal file
158
target/linux/rdc/files-2.6.32/arch/x86/mach-rdc321x/gpio.c
Normal file
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/*
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* GPIO support for RDC SoC R3210/R8610
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*
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* Copyright (C) 2007, Florian Fainelli <florian@openwrt.org>
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* Copyright (C) 2008, Volker Weiss <dev@tintuc.de>
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*
|
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* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; either version 2 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
||||
*
|
||||
*/
|
||||
|
||||
|
||||
#include <linux/spinlock.h>
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#include <linux/io.h>
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#include <linux/types.h>
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#include <linux/module.h>
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#include <linux/gpio.h>
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#include <asm/rdc321x_gpio.h>
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#include <asm/rdc321x_defs.h>
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|
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|
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/* spin lock to protect our private copy of GPIO data register plus
|
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the access to PCI conf registers. */
|
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static DEFINE_SPINLOCK(gpio_lock);
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/* copy of GPIO data registers */
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static u32 gpio_data_reg1;
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static u32 gpio_data_reg2;
|
||||
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static inline void rdc321x_conf_write(unsigned addr, u32 value)
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{
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outl((1 << 31) | (7 << 11) | addr, RDC3210_CFGREG_ADDR);
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outl(value, RDC3210_CFGREG_DATA);
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}
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static inline void rdc321x_conf_or(unsigned addr, u32 value)
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{
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outl((1 << 31) | (7 << 11) | addr, RDC3210_CFGREG_ADDR);
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value |= inl(RDC3210_CFGREG_DATA);
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outl(value, RDC3210_CFGREG_DATA);
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}
|
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|
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static inline u32 rdc321x_conf_read(unsigned addr)
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{
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outl((1 << 31) | (7 << 11) | addr, RDC3210_CFGREG_ADDR);
|
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return inl(RDC3210_CFGREG_DATA);
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}
|
||||
|
||||
/* configure pin as GPIO */
|
||||
static void rdc321x_configure_gpio(unsigned gpio)
|
||||
{
|
||||
unsigned long flags;
|
||||
|
||||
spin_lock_irqsave(&gpio_lock, flags);
|
||||
rdc321x_conf_or(gpio < 32
|
||||
? RDC321X_GPIO_CTRL_REG1 : RDC321X_GPIO_CTRL_REG2,
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1 << (gpio & 0x1f));
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spin_unlock_irqrestore(&gpio_lock, flags);
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}
|
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|
||||
/* read GPIO pin */
|
||||
static int rdc_gpio_get_value(struct gpio_chip *chip, unsigned gpio)
|
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{
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u32 reg;
|
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unsigned long flags;
|
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|
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spin_lock_irqsave(&gpio_lock, flags);
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reg = rdc321x_conf_read(gpio < 32
|
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? RDC321X_GPIO_DATA_REG1 : RDC321X_GPIO_DATA_REG2);
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spin_unlock_irqrestore(&gpio_lock, flags);
|
||||
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return (1 << (gpio & 0x1f)) & reg ? 1 : 0;
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}
|
||||
|
||||
/* set GPIO pin to value */
|
||||
static void rdc_gpio_set_value(struct gpio_chip *chip,
|
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unsigned gpio, int value)
|
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{
|
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unsigned long flags;
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u32 reg;
|
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reg = 1 << (gpio & 0x1f);
|
||||
if (gpio < 32) {
|
||||
spin_lock_irqsave(&gpio_lock, flags);
|
||||
if (value)
|
||||
gpio_data_reg1 |= reg;
|
||||
else
|
||||
gpio_data_reg1 &= ~reg;
|
||||
rdc321x_conf_write(RDC321X_GPIO_DATA_REG1, gpio_data_reg1);
|
||||
spin_unlock_irqrestore(&gpio_lock, flags);
|
||||
} else {
|
||||
spin_lock_irqsave(&gpio_lock, flags);
|
||||
if (value)
|
||||
gpio_data_reg2 |= reg;
|
||||
else
|
||||
gpio_data_reg2 &= ~reg;
|
||||
rdc321x_conf_write(RDC321X_GPIO_DATA_REG2, gpio_data_reg2);
|
||||
spin_unlock_irqrestore(&gpio_lock, flags);
|
||||
}
|
||||
}
|
||||
|
||||
/* configure GPIO pin as input */
|
||||
static int rdc_gpio_direction_input(struct gpio_chip *chip, unsigned gpio)
|
||||
{
|
||||
rdc321x_configure_gpio(gpio);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* configure GPIO pin as output and set value */
|
||||
static int rdc_gpio_direction_output(struct gpio_chip *chip,
|
||||
unsigned gpio, int value)
|
||||
{
|
||||
rdc321x_configure_gpio(gpio);
|
||||
gpio_set_value(gpio, value);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static struct gpio_chip rdc321x_gpio_chip = {
|
||||
.label = "rdc321x-gpio",
|
||||
.direction_input = rdc_gpio_direction_input,
|
||||
.direction_output = rdc_gpio_direction_output,
|
||||
.get = rdc_gpio_get_value,
|
||||
.set = rdc_gpio_set_value,
|
||||
.base = 0,
|
||||
.ngpio = RDC321X_MAX_GPIO,
|
||||
};
|
||||
|
||||
/* initially setup the 2 copies of the gpio data registers.
|
||||
This function is called before the platform setup code. */
|
||||
static int __init rdc321x_gpio_setup(void)
|
||||
{
|
||||
/* this might not be, what others (BIOS, bootloader, etc.)
|
||||
wrote to these registers before, but it's a good guess. Still
|
||||
better than just using 0xffffffff. */
|
||||
|
||||
gpio_data_reg1 = rdc321x_conf_read(RDC321X_GPIO_DATA_REG1);
|
||||
gpio_data_reg2 = rdc321x_conf_read(RDC321X_GPIO_DATA_REG2);
|
||||
|
||||
printk(KERN_INFO "rdc321x: registering %d GPIOs\n", rdc321x_gpio_chip.ngpio);
|
||||
return gpiochip_add(&rdc321x_gpio_chip);
|
||||
}
|
||||
|
||||
arch_initcall(rdc321x_gpio_setup);
|
290
target/linux/rdc/files-2.6.32/arch/x86/mach-rdc321x/platform.c
Normal file
290
target/linux/rdc/files-2.6.32/arch/x86/mach-rdc321x/platform.c
Normal file
|
@ -0,0 +1,290 @@
|
|||
/*
|
||||
* Generic RDC321x platform devices
|
||||
*
|
||||
* Copyright (C) 2007-2009 OpenWrt.org
|
||||
* Copyright (C) 2007 Florian Fainelli <florian@openwrt.org>
|
||||
* Copyright (C) 2008-2009 Daniel Gimpelevich <daniel@gimpelevich.san-francisco.ca.us>
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU General Public License
|
||||
* as published by the Free Software Foundation; either version 2
|
||||
* of the License, or (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the
|
||||
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
|
||||
* Boston, MA 02110-1301, USA.
|
||||
*
|
||||
*/
|
||||
|
||||
#include <linux/init.h>
|
||||
#include <linux/kernel.h>
|
||||
#include <linux/list.h>
|
||||
#include <linux/device.h>
|
||||
#include <linux/platform_device.h>
|
||||
#include <linux/version.h>
|
||||
#include <linux/leds.h>
|
||||
#include <linux/gpio_keys.h>
|
||||
#include <linux/input.h>
|
||||
#include <linux/mtd/map.h>
|
||||
#include <linux/mtd/mtd.h>
|
||||
#include <linux/mtd/physmap.h>
|
||||
#include <linux/root_dev.h>
|
||||
|
||||
#include <asm/rdc321x_gpio.h>
|
||||
|
||||
/* Flash */
|
||||
#ifdef CONFIG_MTD_R8610
|
||||
#define CONFIG_MTD_RDC3210 1
|
||||
#elif defined CONFIG_MTD_RDC3210
|
||||
static struct resource rdc_flash_resource[] = {
|
||||
[0] = {
|
||||
.start = (u32)-CONFIG_MTD_RDC3210_SIZE,
|
||||
.end = (u32)-1,
|
||||
.flags = IORESOURCE_MEM,
|
||||
},
|
||||
};
|
||||
|
||||
static struct platform_device rdc_flash_device = {
|
||||
.name = "rdc321x-flash",
|
||||
.id = -1,
|
||||
.num_resources = ARRAY_SIZE(rdc_flash_resource),
|
||||
.resource = rdc_flash_resource,
|
||||
};
|
||||
#else
|
||||
static struct mtd_partition rdc_flash_parts[15];
|
||||
|
||||
static struct resource rdc_flash_resource = {
|
||||
.end = (u32)-1,
|
||||
.flags = IORESOURCE_MEM,
|
||||
};
|
||||
|
||||
static struct physmap_flash_data rdc_flash_data = {
|
||||
.parts = rdc_flash_parts,
|
||||
};
|
||||
|
||||
static struct platform_device rdc_flash_device = {
|
||||
.name = "physmap-flash",
|
||||
.id = -1,
|
||||
.resource = &rdc_flash_resource,
|
||||
.num_resources = 1,
|
||||
.dev.platform_data = &rdc_flash_data,
|
||||
};
|
||||
#endif
|
||||
|
||||
/* LEDS */
|
||||
static struct gpio_led default_leds[] = {
|
||||
{ .name = "rdc321x:dmz", .gpio = 1, .active_low = 1},
|
||||
};
|
||||
|
||||
static struct gpio_led_platform_data rdc321x_led_data = {
|
||||
.num_leds = ARRAY_SIZE(default_leds),
|
||||
.leds = default_leds,
|
||||
};
|
||||
|
||||
static struct platform_device rdc321x_leds = {
|
||||
.name = "leds-gpio",
|
||||
.id = -1,
|
||||
.dev = {
|
||||
.platform_data = &rdc321x_led_data,
|
||||
}
|
||||
};
|
||||
|
||||
/* Watchdog */
|
||||
static struct platform_device rdc321x_wdt = {
|
||||
.name = "rdc321x-wdt",
|
||||
.id = -1,
|
||||
.num_resources = 0,
|
||||
};
|
||||
|
||||
/* Button */
|
||||
static struct gpio_keys_button rdc321x_gpio_btn[] = {
|
||||
{
|
||||
.gpio = 0,
|
||||
.code = BTN_0,
|
||||
.desc = "Reset",
|
||||
.active_low = 1,
|
||||
}
|
||||
};
|
||||
|
||||
static struct gpio_keys_platform_data rdc321x_gpio_btn_data = {
|
||||
.buttons = rdc321x_gpio_btn,
|
||||
.nbuttons = ARRAY_SIZE(rdc321x_gpio_btn),
|
||||
};
|
||||
|
||||
static struct platform_device rdc321x_button = {
|
||||
.name = "gpio-keys",
|
||||
.id = -1,
|
||||
.dev = {
|
||||
.platform_data = &rdc321x_gpio_btn_data,
|
||||
}
|
||||
};
|
||||
|
||||
static struct platform_device *rdc321x_devs[] = {
|
||||
&rdc_flash_device,
|
||||
&rdc321x_leds,
|
||||
&rdc321x_wdt,
|
||||
&rdc321x_button,
|
||||
};
|
||||
|
||||
static int probe_flash_start(struct map_info *the_map)
|
||||
{
|
||||
struct mtd_info *res;
|
||||
|
||||
the_map->virt = ioremap(the_map->phys, the_map->size);
|
||||
if (the_map->virt == NULL)
|
||||
return 1;
|
||||
for (the_map->bankwidth = 32; the_map->bankwidth; the_map->bankwidth
|
||||
>>= 1) {
|
||||
res = do_map_probe("cfi_probe", the_map);
|
||||
if (res == NULL)
|
||||
res = do_map_probe("jedec_probe", the_map);
|
||||
if (res != NULL)
|
||||
break;
|
||||
}
|
||||
iounmap(the_map->virt);
|
||||
if (res != NULL)
|
||||
the_map->phys = (u32)-(s32)(the_map->size = res->size);
|
||||
return res == NULL;
|
||||
}
|
||||
|
||||
static int __init rdc_board_setup(void)
|
||||
{
|
||||
#ifndef CONFIG_MTD_RDC3210
|
||||
struct map_info rdc_map_info;
|
||||
u32 the_header[8];
|
||||
|
||||
ROOT_DEV = 0;
|
||||
rdc_map_info.name = rdc_flash_device.name;
|
||||
rdc_map_info.size = 0x800000; //8MB
|
||||
rdc_map_info.phys = (u32) -rdc_map_info.size;
|
||||
rdc_map_info.bankwidth = 2;
|
||||
rdc_map_info.set_vpp = NULL;
|
||||
simple_map_init(&rdc_map_info);
|
||||
while (probe_flash_start(&rdc_map_info)) {
|
||||
if (rdc_map_info.size /= 2 < 0x100000) //1MB
|
||||
panic("Could not find start of flash!");
|
||||
rdc_map_info.phys = (u32) -rdc_map_info.size;
|
||||
}
|
||||
rdc_flash_resource.start = rdc_map_info.phys;
|
||||
rdc_flash_data.width = rdc_map_info.bankwidth;
|
||||
rdc_map_info.virt = ioremap_nocache(rdc_map_info.phys, 0x10);
|
||||
if (rdc_map_info.virt == NULL)
|
||||
panic("Could not ioremap to read device magic!");
|
||||
the_header[0] = ((u32 *)rdc_map_info.virt)[0];
|
||||
the_header[1] = ((u32 *)rdc_map_info.virt)[1];
|
||||
the_header[2] = ((u32 *)rdc_map_info.virt)[2];
|
||||
the_header[3] = ((u32 *)rdc_map_info.virt)[3];
|
||||
iounmap(rdc_map_info.virt);
|
||||
rdc_map_info.virt = ioremap_nocache(rdc_map_info.phys + 0x8000, 0x10);
|
||||
if (rdc_map_info.virt == NULL)
|
||||
panic("Could not ioremap to read device magic!");
|
||||
the_header[4] = ((u32 *)rdc_map_info.virt)[0];
|
||||
the_header[5] = ((u32 *)rdc_map_info.virt)[1];
|
||||
the_header[6] = ((u32 *)rdc_map_info.virt)[2];
|
||||
the_header[7] = ((u32 *)rdc_map_info.virt)[3];
|
||||
iounmap(rdc_map_info.virt);
|
||||
if (!memcmp(the_header, "GMTK", 4)) { /* Gemtek */
|
||||
/* TODO */
|
||||
} else if (!memcmp(the_header + 4, "CSYS", 4)) { /* Sitecom */
|
||||
rdc_flash_parts[0].name = "system";
|
||||
rdc_flash_parts[0].offset = 0;
|
||||
rdc_flash_parts[0].size = rdc_map_info.size - 0x10000;
|
||||
rdc_flash_parts[1].name = "config";
|
||||
rdc_flash_parts[1].offset = 0;
|
||||
rdc_flash_parts[1].size = 0x8000;
|
||||
rdc_flash_parts[2].name = "magic";
|
||||
rdc_flash_parts[2].offset = 0x8000;
|
||||
rdc_flash_parts[2].size = 0x14;
|
||||
rdc_flash_parts[3].name = "kernel";
|
||||
rdc_flash_parts[3].offset = 0x8014;
|
||||
rdc_flash_parts[3].size = the_header[5];
|
||||
rdc_flash_parts[4].name = "rootfs";
|
||||
rdc_flash_parts[4].offset = 0x8014 + the_header[5];
|
||||
rdc_flash_parts[4].size = rdc_flash_parts[0].size - rdc_flash_parts[4].offset;
|
||||
rdc_flash_parts[5].name = "bootloader";
|
||||
rdc_flash_parts[5].offset = rdc_flash_parts[0].size;
|
||||
rdc_flash_parts[5].size = 0x10000;
|
||||
rdc_flash_data.nr_parts = 6;
|
||||
} else if (!memcmp(((u8 *)the_header) + 14, "Li", 2)) { /* AMIT */
|
||||
rdc_flash_parts[0].name = "kernel_parthdr";
|
||||
rdc_flash_parts[0].offset = 0;
|
||||
rdc_flash_parts[0].size = 0x10;
|
||||
rdc_flash_parts[1].name = "kernel";
|
||||
rdc_flash_parts[1].offset = 0x10;
|
||||
rdc_flash_parts[1].size = 0xffff0;
|
||||
rdc_flash_parts[2].name = "rootfs_parthdr";
|
||||
rdc_flash_parts[2].offset = 0x100000;
|
||||
rdc_flash_parts[2].size = 0x10;
|
||||
rdc_flash_parts[3].name = "rootfs";
|
||||
rdc_flash_parts[3].offset = 0x100010;
|
||||
rdc_flash_parts[3].size = rdc_map_info.size - 0x160010;
|
||||
rdc_flash_parts[4].name = "config_parthdr";
|
||||
rdc_flash_parts[4].offset = rdc_map_info.size - 0x60000;
|
||||
rdc_flash_parts[4].size = 0x10;
|
||||
rdc_flash_parts[5].name = "config";
|
||||
rdc_flash_parts[5].offset = rdc_map_info.size - 0x5fff0;
|
||||
rdc_flash_parts[5].size = 0xfff0;
|
||||
rdc_flash_parts[6].name = "recoveryfs_parthdr";
|
||||
rdc_flash_parts[6].offset = rdc_map_info.size - 0x50000;
|
||||
rdc_flash_parts[6].size = 0x10;
|
||||
rdc_flash_parts[7].name = "recoveryfs";
|
||||
rdc_flash_parts[7].offset = rdc_map_info.size - 0x4fff0;
|
||||
rdc_flash_parts[7].size = 0x3fff0;
|
||||
rdc_flash_parts[8].name = "recovery_parthdr";
|
||||
rdc_flash_parts[8].offset = rdc_map_info.size - 0x10000;
|
||||
rdc_flash_parts[8].size = 0x10;
|
||||
rdc_flash_parts[9].name = "recovery";
|
||||
rdc_flash_parts[9].offset = rdc_map_info.size - 0xfff0;
|
||||
rdc_flash_parts[9].size = 0x7ff0;
|
||||
rdc_flash_parts[10].name = "productinfo_parthdr";
|
||||
rdc_flash_parts[10].offset = rdc_map_info.size - 0x8000;
|
||||
rdc_flash_parts[10].size = 0x10;
|
||||
rdc_flash_parts[11].name = "productinfo";
|
||||
rdc_flash_parts[11].offset = rdc_map_info.size - 0x7ff0;
|
||||
rdc_flash_parts[11].size = 0x1ff0;
|
||||
rdc_flash_parts[12].name = "bootloader_parthdr";
|
||||
rdc_flash_parts[12].offset = rdc_map_info.size - 0x6000;
|
||||
rdc_flash_parts[12].size = 0x10;
|
||||
rdc_flash_parts[13].name = "bootloader";
|
||||
rdc_flash_parts[13].offset = rdc_map_info.size - 0x5ff0;
|
||||
rdc_flash_parts[13].size = 0x5ff0;
|
||||
rdc_flash_parts[14].name = "everything";
|
||||
rdc_flash_parts[14].offset = 0;
|
||||
rdc_flash_parts[14].size = rdc_map_info.size;
|
||||
rdc_flash_data.nr_parts = 15;
|
||||
} else { /* ZyXEL */
|
||||
rdc_flash_parts[0].name = "kernel";
|
||||
rdc_flash_parts[0].offset = 0;
|
||||
rdc_flash_parts[0].size = 0x100000;
|
||||
rdc_flash_parts[1].name = "rootfs";
|
||||
rdc_flash_parts[1].offset = 0x100000;
|
||||
rdc_flash_parts[1].size = rdc_map_info.size - 0x140000;
|
||||
rdc_flash_parts[2].name = "linux";
|
||||
rdc_flash_parts[2].offset = 0;
|
||||
rdc_flash_parts[2].size = rdc_map_info.size - 0x40000;
|
||||
rdc_flash_parts[3].name = "config";
|
||||
rdc_flash_parts[3].offset = rdc_map_info.size - 0x40000;
|
||||
rdc_flash_parts[3].size = 0x10000;
|
||||
rdc_flash_parts[4].name = "productinfo";
|
||||
rdc_flash_parts[4].offset = rdc_map_info.size - 0x30000;
|
||||
rdc_flash_parts[4].size = 0x10000;
|
||||
rdc_flash_parts[5].name = "bootloader";
|
||||
rdc_flash_parts[5].offset = rdc_map_info.size - 0x20000;
|
||||
rdc_flash_parts[5].size = 0x20000;
|
||||
rdc_flash_data.nr_parts = 6;
|
||||
}
|
||||
#endif
|
||||
return platform_add_devices(rdc321x_devs, ARRAY_SIZE(rdc321x_devs));
|
||||
}
|
||||
|
||||
#ifdef CONFIG_MTD_RDC3210
|
||||
arch_initcall(rdc_board_setup);
|
||||
#else
|
||||
late_initcall(rdc_board_setup);
|
||||
#endif
|
63
target/linux/rdc/patches-2.6.32/001-rdc3210_flash_map.patch
Normal file
63
target/linux/rdc/patches-2.6.32/001-rdc3210_flash_map.patch
Normal file
|
@ -0,0 +1,63 @@
|
|||
--- a/drivers/mtd/maps/Kconfig
|
||||
+++ b/drivers/mtd/maps/Kconfig
|
||||
@@ -114,6 +114,50 @@ config MTD_SUN_UFLASH
|
||||
Sun Microsystems boardsets. This driver will require CFI support
|
||||
in the kernel, so if you did not enable CFI previously, do that now.
|
||||
|
||||
+config MTD_RDC3210
|
||||
+ tristate "CFI Flash device mapped on RDC3210"
|
||||
+ depends on X86 && MTD_CFI && MTD_PARTITIONS
|
||||
+ help
|
||||
+ RDC-3210 is the flash device we find on Ralink reference board.
|
||||
+
|
||||
+config MTD_RDC3210_STATIC_MAP
|
||||
+ bool "Partitions on RDC3210 mapped statically" if MTD_RDC3210
|
||||
+ select MTD_RDC3210_FACTORY_PRESENT
|
||||
+ help
|
||||
+ The mapping driver will use the static partition map for the
|
||||
+ RDC-3210 flash device.
|
||||
+
|
||||
+config MTD_RDC3210_FACTORY_PRESENT
|
||||
+ bool "Reserve a partition on RDC3210 for factory presets"
|
||||
+ depends on MTD_RDC3210
|
||||
+ default y
|
||||
+ help
|
||||
+ The mapping driver will reserve a partition on the RDC-3210 flash
|
||||
+ device for resetting flash contents to factory defaults.
|
||||
+
|
||||
+config MTD_RDC3210_ALLOW_JFFS2
|
||||
+ bool "JFFS2 filesystem usable in a partition on RDC3210"
|
||||
+ depends on MTD_RDC3210 && !MTD_RDC3210_STATIC_MAP
|
||||
+ help
|
||||
+ The mapping driver will align a partition on the RDC-3210 flash
|
||||
+ device to an erase-block boundary so that a JFFS2 filesystem may
|
||||
+ reside on it.
|
||||
+
|
||||
+config MTD_RDC3210_SIZE
|
||||
+ hex "Amount of flash memory on RDC3210"
|
||||
+ depends on MTD_RDC3210
|
||||
+ default "0x400000"
|
||||
+ help
|
||||
+ Total size in bytes of the RDC-3210 flash device
|
||||
+
|
||||
+config MTD_RDC3210_BUSWIDTH
|
||||
+ int "Width of CFI Flash device mapped on RDC3210"
|
||||
+ depends on MTD_RDC3210
|
||||
+ default "2"
|
||||
+ help
|
||||
+ Number of bytes addressed on the RDC-3210 flash device before
|
||||
+ addressing the same chip again
|
||||
+
|
||||
config MTD_SC520CDP
|
||||
tristate "CFI Flash device mapped on AMD SC520 CDP"
|
||||
depends on X86 && MTD_CFI && MTD_CONCAT
|
||||
--- a/drivers/mtd/maps/Makefile
|
||||
+++ b/drivers/mtd/maps/Makefile
|
||||
@@ -26,6 +26,7 @@ obj-$(CONFIG_MTD_PHYSMAP) += physmap.o
|
||||
obj-$(CONFIG_MTD_PHYSMAP_OF) += physmap_of.o
|
||||
obj-$(CONFIG_MTD_PMC_MSP_EVM) += pmcmsp-flash.o
|
||||
obj-$(CONFIG_MTD_PCMCIA) += pcmciamtd.o
|
||||
+obj-$(CONFIG_MTD_RDC3210) += rdc3210.o
|
||||
obj-$(CONFIG_MTD_RPXLITE) += rpxlite.o
|
||||
obj-$(CONFIG_MTD_TQM8XXL) += tqm8xxl.o
|
||||
obj-$(CONFIG_MTD_SA1100) += sa1100-flash.o
|
12
target/linux/rdc/patches-2.6.32/002-platform_support.patch
Normal file
12
target/linux/rdc/patches-2.6.32/002-platform_support.patch
Normal file
|
@ -0,0 +1,12 @@
|
|||
--- a/arch/x86/Makefile
|
||||
+++ b/arch/x86/Makefile
|
||||
@@ -125,6 +125,9 @@ libs-y += arch/x86/lib/
|
||||
# See arch/x86/Kbuild for content of core part of the kernel
|
||||
core-y += arch/x86/
|
||||
|
||||
+# RDC R-321X support
|
||||
+core-$(CONFIG_X86_RDC321X) += arch/x86/mach-rdc321x/
|
||||
+
|
||||
# drivers-y are linked after core-y
|
||||
drivers-$(CONFIG_MATH_EMULATION) += arch/x86/math-emu/
|
||||
drivers-$(CONFIG_PCI) += arch/x86/pci/
|
20
target/linux/rdc/patches-2.6.32/004-yenta_mystery.patch
Normal file
20
target/linux/rdc/patches-2.6.32/004-yenta_mystery.patch
Normal file
|
@ -0,0 +1,20 @@
|
|||
--- a/drivers/pcmcia/yenta_socket.c
|
||||
+++ b/drivers/pcmcia/yenta_socket.c
|
||||
@@ -1174,6 +1174,17 @@ static int __devinit yenta_probe (struct
|
||||
|
||||
/* We must finish initialization here */
|
||||
|
||||
+#ifdef CONFIG_X86_RDC321X
|
||||
+/* #define YO_TI1510_DATASHEET_GUY_EXPLAIN_THIS_JUNK 0x0044f044 */
|
||||
+#define YO_TI1510_DATASHEET_GUY_EXPLAIN_THIS_JUNK 0x0844b060
|
||||
+/* #define YO_TI1510_DATASHEET_GUY_EXPLAIN_THIS_JUNK 0x0044d044 */
|
||||
+
|
||||
+ config_writel(socket, 32*4, YO_TI1510_DATASHEET_GUY_EXPLAIN_THIS_JUNK);
|
||||
+ config_writel(socket, 35*4, 0x00000022);
|
||||
+ config_writel(socket, 36*4, 0x60200000);
|
||||
+ config_writel(socket, 40*4, 0x7e020000);
|
||||
+#endif
|
||||
+
|
||||
if (!socket->cb_irq || request_irq(socket->cb_irq, yenta_interrupt, IRQF_SHARED, "yenta", socket)) {
|
||||
/* No IRQ or request_irq failed. Poll */
|
||||
socket->cb_irq = 0; /* But zero is a valid IRQ number. */
|
40
target/linux/rdc/patches-2.6.32/005-fix_amit_breakage.patch
Normal file
40
target/linux/rdc/patches-2.6.32/005-fix_amit_breakage.patch
Normal file
|
@ -0,0 +1,40 @@
|
|||
--- a/arch/x86/boot/boot.h
|
||||
+++ b/arch/x86/boot/boot.h
|
||||
@@ -64,7 +64,7 @@ static inline void outl(u32 v, u16 port)
|
||||
{
|
||||
asm volatile("outl %0,%1" : : "a" (v), "dN" (port));
|
||||
}
|
||||
-static inline u32 inl(u32 port)
|
||||
+static inline u32 inl(u16 port)
|
||||
{
|
||||
u32 v;
|
||||
asm volatile("inl %1,%0" : "=a" (v) : "dN" (port));
|
||||
--- a/arch/x86/boot/pm.c
|
||||
+++ b/arch/x86/boot/pm.c
|
||||
@@ -14,6 +14,9 @@
|
||||
|
||||
#include "boot.h"
|
||||
#include <asm/segment.h>
|
||||
+#ifdef CONFIG_X86_RDC321X
|
||||
+#include <asm/rdc321x_defs.h>
|
||||
+#endif
|
||||
|
||||
/*
|
||||
* Invoke the realmode switch hook if present; otherwise
|
||||
@@ -112,6 +115,16 @@ void go_to_protected_mode(void)
|
||||
die();
|
||||
}
|
||||
|
||||
+#ifdef CONFIG_X86_RDC321X
|
||||
+ {
|
||||
+ u32 bootctl;
|
||||
+
|
||||
+ outl(0x80003840, RDC3210_CFGREG_ADDR);
|
||||
+ bootctl = inl(RDC3210_CFGREG_DATA) | 0x07ff0000;
|
||||
+ outl(bootctl, RDC3210_CFGREG_DATA);
|
||||
+ }
|
||||
+#endif
|
||||
+
|
||||
/* Reset coprocessor (IGNNE#) */
|
||||
reset_coprocessor();
|
||||
|
25
target/linux/rdc/patches-2.6.32/008-r8610_flash_map.patch
Normal file
25
target/linux/rdc/patches-2.6.32/008-r8610_flash_map.patch
Normal file
|
@ -0,0 +1,25 @@
|
|||
--- a/drivers/mtd/maps/Kconfig
|
||||
+++ b/drivers/mtd/maps/Kconfig
|
||||
@@ -158,6 +158,12 @@ config MTD_RDC3210_BUSWIDTH
|
||||
Number of bytes addressed on the RDC-3210 flash device before
|
||||
addressing the same chip again
|
||||
|
||||
+config MTD_R8610
|
||||
+ tristate "CFI flash device mapped on R8610"
|
||||
+ depends on X86 && MTD_CFI && MTD_PARTITIONS
|
||||
+ help
|
||||
+ Flash support for the RDC R8610 evaluation board.
|
||||
+
|
||||
config MTD_SC520CDP
|
||||
tristate "CFI Flash device mapped on AMD SC520 CDP"
|
||||
depends on X86 && MTD_CFI && MTD_CONCAT
|
||||
--- a/drivers/mtd/maps/Makefile
|
||||
+++ b/drivers/mtd/maps/Makefile
|
||||
@@ -27,6 +27,7 @@ obj-$(CONFIG_MTD_PHYSMAP_OF) += physmap_
|
||||
obj-$(CONFIG_MTD_PMC_MSP_EVM) += pmcmsp-flash.o
|
||||
obj-$(CONFIG_MTD_PCMCIA) += pcmciamtd.o
|
||||
obj-$(CONFIG_MTD_RDC3210) += rdc3210.o
|
||||
+obj-$(CONFIG_MTD_R8610) += r8610.o
|
||||
obj-$(CONFIG_MTD_RPXLITE) += rpxlite.o
|
||||
obj-$(CONFIG_MTD_TQM8XXL) += tqm8xxl.o
|
||||
obj-$(CONFIG_MTD_SA1100) += sa1100-flash.o
|
|
@ -0,0 +1,11 @@
|
|||
--- a/arch/x86/Kconfig
|
||||
+++ b/arch/x86/Kconfig
|
||||
@@ -400,6 +400,8 @@ config X86_RDC321X
|
||||
depends on X86_EXTENDED_PLATFORM
|
||||
select M486
|
||||
select X86_REBOOTFIXUPS
|
||||
+ select EMBEDDED
|
||||
+ select ARCH_REQUIRE_GPIOLIB
|
||||
---help---
|
||||
This option is needed for RDC R-321x system-on-chip, also known
|
||||
as R-8610-(G).
|
176
target/linux/rdc/patches-2.6.32/010-rdc_cpu_ident.patch
Normal file
176
target/linux/rdc/patches-2.6.32/010-rdc_cpu_ident.patch
Normal file
|
@ -0,0 +1,176 @@
|
|||
--- /dev/null
|
||||
+++ b/Documentation/x86/rdc.txt
|
||||
@@ -0,0 +1,69 @@
|
||||
+
|
||||
+Introduction
|
||||
+============
|
||||
+
|
||||
+RDC (http://www.rdc.com.tw) have been manufacturing x86-compatible SoC
|
||||
+(system-on-chips) for a number of years. They are not the fastest of
|
||||
+CPUs (clock speeds ranging from 133-150MHz) but 486SX compatibility
|
||||
+coupled with very low power consumption[1] and low cost make them ideal
|
||||
+for embedded applications.
|
||||
+
|
||||
+
|
||||
+Where to find
|
||||
+=============
|
||||
+
|
||||
+RDC chips show up in numerous embedded devices, but be careful since
|
||||
+many of them will not run Linux 2.6 without significant expertise.
|
||||
+
|
||||
+There are several variants of what the linux kernel refers to generically
|
||||
+as RDC321X: R8610, R321x, S3282 and AMRISC20000.
|
||||
+
|
||||
+R321x: Found in various routers, see the OpenWrt project for details,
|
||||
+ http://wiki.openwrt.org/oldwiki/rdcport
|
||||
+
|
||||
+R8610: Found on the RDC evaluation board
|
||||
+ http://www.ivankuten.com/system-on-chip-soc/rdc-r8610/
|
||||
+
|
||||
+AMRISC20000: Found in the MGB-100 wireless hard disk
|
||||
+ http://tintuc.no-ip.com/linux/tipps/mgb100/
|
||||
+
|
||||
+S3282: Found in various NAS devices, including the Bifferboard
|
||||
+ http://www.bifferos.com
|
||||
+
|
||||
+
|
||||
+Kernel Configuration
|
||||
+====================
|
||||
+
|
||||
+Add support for this CPU with CONFIG_X86_RDC321X. Ensure that maths
|
||||
+emulation is included (CONFIG_MATH_EMULATION selected) and avoid MCE
|
||||
+(CONFIG_X86_MCE not selected).
|
||||
+
|
||||
+
|
||||
+CPU detection
|
||||
+=============
|
||||
+
|
||||
+None of these chips support the cpuid instruction, so as with some
|
||||
+other x86 compatible SoCs, we must check the north bridge and look
|
||||
+for specific 'signature' PCI device config.
|
||||
+
|
||||
+The current detection code has been tested only on the Bifferboard
|
||||
+(S3282 CPU), please send bug reports or success stories with
|
||||
+other devices to bifferos@yahoo.co.uk.
|
||||
+
|
||||
+
|
||||
+Credits
|
||||
+=======
|
||||
+
|
||||
+Many thanks to RDC for providing the customer codes to allow
|
||||
+detection of all known variants, without which this detection code
|
||||
+would have been very hard to ascertain.
|
||||
+
|
||||
+
|
||||
+References
|
||||
+==========
|
||||
+
|
||||
+[1] S3282 in certain NAS solutions consumes less than 1W
|
||||
+
|
||||
+
|
||||
+mark@bifferos.com 2009
|
||||
+
|
||||
--- a/arch/x86/Kconfig
|
||||
+++ b/arch/x86/Kconfig
|
||||
@@ -398,6 +398,7 @@ config X86_RDC321X
|
||||
bool "RDC R-321x SoC"
|
||||
depends on X86_32
|
||||
depends on X86_EXTENDED_PLATFORM
|
||||
+ select PCI
|
||||
select M486
|
||||
select X86_REBOOTFIXUPS
|
||||
select EMBEDDED
|
||||
--- a/arch/x86/include/asm/processor.h
|
||||
+++ b/arch/x86/include/asm/processor.h
|
||||
@@ -122,7 +122,8 @@ struct cpuinfo_x86 {
|
||||
#define X86_VENDOR_CENTAUR 5
|
||||
#define X86_VENDOR_TRANSMETA 7
|
||||
#define X86_VENDOR_NSC 8
|
||||
-#define X86_VENDOR_NUM 9
|
||||
+#define X86_VENDOR_RDC 9
|
||||
+#define X86_VENDOR_NUM 10
|
||||
|
||||
#define X86_VENDOR_UNKNOWN 0xff
|
||||
|
||||
--- a/arch/x86/kernel/cpu/Makefile
|
||||
+++ b/arch/x86/kernel/cpu/Makefile
|
||||
@@ -24,6 +24,7 @@ obj-$(CONFIG_CPU_SUP_CYRIX_32) += cyrix
|
||||
obj-$(CONFIG_CPU_SUP_CENTAUR) += centaur.o
|
||||
obj-$(CONFIG_CPU_SUP_TRANSMETA_32) += transmeta.o
|
||||
obj-$(CONFIG_CPU_SUP_UMC_32) += umc.o
|
||||
+obj-$(CONFIG_X86_RDC321X) += rdc.o
|
||||
|
||||
obj-$(CONFIG_PERF_EVENTS) += perf_event.o
|
||||
|
||||
--- /dev/null
|
||||
+++ b/arch/x86/kernel/cpu/rdc.c
|
||||
@@ -0,0 +1,69 @@
|
||||
+/*
|
||||
+ * See Documentation/x86/rdc.txt
|
||||
+ *
|
||||
+ * mark@bifferos.com
|
||||
+ */
|
||||
+
|
||||
+#include <linux/pci.h>
|
||||
+#include <asm/pci-direct.h>
|
||||
+#include "cpu.h"
|
||||
+
|
||||
+
|
||||
+static void __cpuinit rdc_identify(struct cpuinfo_x86 *c)
|
||||
+{
|
||||
+ u16 vendor, device;
|
||||
+ u32 customer_id;
|
||||
+
|
||||
+ if (!early_pci_allowed())
|
||||
+ return;
|
||||
+
|
||||
+ /* RDC CPU is SoC (system-on-chip), Northbridge is always present */
|
||||
+ vendor = read_pci_config_16(0, 0, 0, PCI_VENDOR_ID);
|
||||
+ device = read_pci_config_16(0, 0, 0, PCI_DEVICE_ID);
|
||||
+
|
||||
+ if (vendor != PCI_VENDOR_ID_RDC || device != PCI_DEVICE_ID_RDC_R6020)
|
||||
+ return; /* not RDC */
|
||||
+ /*
|
||||
+ * NB: We could go on and check other devices, e.g. r6040 NIC, but
|
||||
+ * that's probably overkill
|
||||
+ */
|
||||
+
|
||||
+ customer_id = read_pci_config(0, 0, 0, 0x90);
|
||||
+
|
||||
+ switch (customer_id) {
|
||||
+ /* id names are from RDC */
|
||||
+ case 0x00321000:
|
||||
+ strcpy(c->x86_model_id, "R3210/R3211");
|
||||
+ break;
|
||||
+ case 0x00321001:
|
||||
+ strcpy(c->x86_model_id, "AMITRISC20000/20010");
|
||||
+ break;
|
||||
+ case 0x00321002:
|
||||
+ strcpy(c->x86_model_id, "R3210X/Edimax");
|
||||
+ break;
|
||||
+ case 0x00321003:
|
||||
+ strcpy(c->x86_model_id, "R3210/Kcodes");
|
||||
+ break;
|
||||
+ case 0x00321004: /* tested */
|
||||
+ strcpy(c->x86_model_id, "S3282/CodeTek");
|
||||
+ break;
|
||||
+ case 0x00321007:
|
||||
+ strcpy(c->x86_model_id, "R8610");
|
||||
+ break;
|
||||
+ default:
|
||||
+ pr_info("RDC CPU: Unrecognised Customer ID (0x%x) please report to linux-kernel@vger.kernel.org\n", customer_id);
|
||||
+ return;
|
||||
+ }
|
||||
+
|
||||
+ strcpy(c->x86_vendor_id, "RDC");
|
||||
+ c->x86_vendor = X86_VENDOR_RDC;
|
||||
+}
|
||||
+
|
||||
+static const struct cpu_dev __cpuinitconst rdc_cpu_dev = {
|
||||
+ .c_vendor = "RDC",
|
||||
+ .c_ident = { "RDC" },
|
||||
+ .c_identify = rdc_identify,
|
||||
+ .c_x86_vendor = X86_VENDOR_RDC,
|
||||
+};
|
||||
+
|
||||
+cpu_dev_register(rdc_cpu_dev);
|
Loading…
Reference in a new issue