On Thu, Jan 20, 2011 at 01:01:04PM +0900, Magnus Damm wrote: > On Thu, Jan 20, 2011 at 12:30 PM, Simon Horman <horms@xxxxxxxxxxxx> wrote: > > I ran my tests again with CONFIG_SH_DMAE (and CONFIG_DMA_ENGINE) > > enabled and the results are substantially better. Although > > the results are still below the theoretical speeds of the cards. > > > > Read Speed - SHDI > > SD1.1:      9.9 MB/s > > SD2.0:     Â17.2 MB/s > > SDHC Class 2:  17.0 MB/s > > SDHC Class 10: Â17.2 MB/s > > MMC4.0:     Â8.6 MB/s  <-- Clocked down to 12Mhz due to driver limitations > > > > I also tested the Write Speed > > SD1.1:      2.4 MB/s  <-- Faster than expected > > SD2.0:      2.8 MB/s  <-- Faster than expected > > SDHC Class 2:  Â2.5 MB/s  <-- Faster than expected > > SDHC Class 10:  3.8 MB/s  <-- Slower than expected > > MMC4.0:     Â2.1 MB/s  <-- Clocked down to 12Mhz due to driver limitations It seems that I may have had MMC_DEBUG enabled in the kernel used for the above tests. So I have re-run them. I have attached my kernel configuration for posterity. As suggested by Magnus I also tested against a SanDisk SDHC Class 10 Card. The one that I have is a SanDisk Extreme 4Gb. Read Speed # dd if=/dev/mmcblk0 of=/dev/null bs=512 count=100000 SD1.1:      10.2 MB/s SD2.0:      17.1 MB/s SDHC Class 2:   17.1 MB/s SDHC Class 10:  17.9 MB/s SanDisk SDHC Class 10: 17.6 MB/s MMC4.0:      8.7 MB/s  <-- Clocked down to 12Mhz due to driver limitations Write Speed # dd if=/dev/zero of=/dev/mmcblk0 bs=512 count=100000 SD1.1:      2.5 MB/s  <-- Faster than expected SD2.0:      3.0 MB/s  <-- Faster than expected SDHC Class 2:   2.3 MB/s  <-- Faster than expected SDHC Class 10:  4.0 MB/s  <-- Slower than expected SanDisk SDHC Class 10: 4.3 MB/s  <-- Slower than expected MMC4.0:      2.3 MB/s  <-- Clocked down to 12Mhz due to driver limitations > > For reference I obtained the following results on my laptop, > > which according to dmesg has a SAMSUNG MMCRE28G VBM1 PQ. > > > > Read > > SD1.1:     Â10.0 MB/s > > SD2.0:     Â19.2 MB/s > > SDHC Class 2:  19.4 MB/s > > SDHC Class10:  17.9 MB/s Â<---- What!!!? > > MMC4.0:     Â8.2 MB/s > > > > Write > > SD1.1:      2.7 MB/s > > SD2.0:      3.4 MB/s > > SDHC Class 2:  Â3.1 MB/s > > SDHC Class10:  Â3.8 MB/s Â<---- What!!!? > > MMC4.0:     Â2.0 MB/s
# # Automatically generated make config: don't edit # Linux/arm 2.6.37 Kernel Configuration # Mon Mar 21 18:40:14 2011 # CONFIG_ARM=y CONFIG_SYS_SUPPORTS_APM_EMULATION=y CONFIG_GENERIC_GPIO=y # CONFIG_ARCH_USES_GETTIMEOFFSET is not set CONFIG_GENERIC_CLOCKEVENTS=y CONFIG_HAVE_PROC_CPU=y CONFIG_NO_IOPORT=y CONFIG_STACKTRACE_SUPPORT=y CONFIG_HAVE_LATENCYTOP_SUPPORT=y CONFIG_LOCKDEP_SUPPORT=y CONFIG_TRACE_IRQFLAGS_SUPPORT=y CONFIG_HARDIRQS_SW_RESEND=y CONFIG_GENERIC_IRQ_PROBE=y CONFIG_RWSEM_GENERIC_SPINLOCK=y CONFIG_ARCH_HAS_CPU_IDLE_WAIT=y CONFIG_GENERIC_HWEIGHT=y CONFIG_GENERIC_CALIBRATE_DELAY=y CONFIG_NEED_DMA_MAP_STATE=y CONFIG_VECTORS_BASE=0xffff0000 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" CONFIG_CONSTRUCTORS=y CONFIG_HAVE_IRQ_WORK=y # # General setup # CONFIG_EXPERIMENTAL=y CONFIG_BROKEN_ON_SMP=y CONFIG_INIT_ENV_ARG_LIMIT=32 CONFIG_CROSS_COMPILE="" CONFIG_LOCALVERSION="" CONFIG_LOCALVERSION_AUTO=y CONFIG_HAVE_KERNEL_GZIP=y CONFIG_HAVE_KERNEL_LZMA=y CONFIG_HAVE_KERNEL_LZO=y CONFIG_KERNEL_GZIP=y # CONFIG_KERNEL_LZMA is not set # CONFIG_KERNEL_LZO is not set CONFIG_SWAP=y CONFIG_SYSVIPC=y CONFIG_SYSVIPC_SYSCTL=y # CONFIG_BSD_PROCESS_ACCT is not set CONFIG_HAVE_GENERIC_HARDIRQS=y # # IRQ subsystem # CONFIG_GENERIC_HARDIRQS=y CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y # CONFIG_GENERIC_HARDIRQS_NO_DEPRECATED is not set CONFIG_HAVE_SPARSE_IRQ=y # CONFIG_GENERIC_PENDING_IRQ is not set # CONFIG_AUTO_IRQ_AFFINITY is not set # CONFIG_IRQ_PER_CPU is not set CONFIG_SPARSE_IRQ=y # # RCU Subsystem # CONFIG_TINY_RCU=y # CONFIG_PREEMPT_RCU is not set # CONFIG_RCU_TRACE is not set # CONFIG_TREE_RCU_TRACE is not set CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y CONFIG_LOG_BUF_SHIFT=16 # CONFIG_CGROUPS is not set CONFIG_NAMESPACES=y # CONFIG_UTS_NS is not set # CONFIG_IPC_NS is not set # CONFIG_USER_NS is not set # CONFIG_PID_NS is not set # CONFIG_SCHED_AUTOGROUP is not set # CONFIG_SYSFS_DEPRECATED is not set # CONFIG_RELAY is not set CONFIG_BLK_DEV_INITRD=y CONFIG_INITRAMFS_SOURCE="/home/horms/projects/initramfs/out/rootfs.arm.cpio" CONFIG_INITRAMFS_ROOT_UID=0 CONFIG_INITRAMFS_ROOT_GID=0 CONFIG_RD_GZIP=y CONFIG_RD_BZIP2=y CONFIG_RD_LZMA=y CONFIG_RD_XZ=y CONFIG_RD_LZO=y CONFIG_INITRAMFS_COMPRESSION_NONE=y # CONFIG_INITRAMFS_COMPRESSION_GZIP is not set # CONFIG_INITRAMFS_COMPRESSION_BZIP2 is not set # CONFIG_INITRAMFS_COMPRESSION_LZMA is not set # CONFIG_INITRAMFS_COMPRESSION_XZ is not set # CONFIG_INITRAMFS_COMPRESSION_LZO is not set CONFIG_CC_OPTIMIZE_FOR_SIZE=y CONFIG_SYSCTL=y CONFIG_ANON_INODES=y # CONFIG_EMBEDDED is not set CONFIG_UID16=y CONFIG_SYSCTL_SYSCALL=y CONFIG_KALLSYMS=y # CONFIG_KALLSYMS_EXTRA_PASS is not set CONFIG_HOTPLUG=y CONFIG_PRINTK=y CONFIG_BUG=y CONFIG_ELF_CORE=y CONFIG_BASE_FULL=y CONFIG_FUTEX=y CONFIG_EPOLL=y CONFIG_SIGNALFD=y CONFIG_TIMERFD=y CONFIG_EVENTFD=y CONFIG_SHMEM=y CONFIG_AIO=y CONFIG_HAVE_PERF_EVENTS=y CONFIG_PERF_USE_VMALLOC=y # # Kernel Performance Events And Counters # # CONFIG_PERF_EVENTS is not set # CONFIG_PERF_COUNTERS is not set CONFIG_VM_EVENT_COUNTERS=y CONFIG_COMPAT_BRK=y CONFIG_SLAB=y # CONFIG_SLUB is not set # CONFIG_PROFILING is not set CONFIG_HAVE_OPROFILE=y CONFIG_HAVE_KPROBES=y CONFIG_HAVE_KRETPROBES=y CONFIG_HAVE_REGS_AND_STACK_ACCESS_API=y CONFIG_HAVE_CLK=y CONFIG_HAVE_DMA_API_DEBUG=y # # GCOV-based kernel profiling # CONFIG_HAVE_GENERIC_DMA_COHERENT=y CONFIG_SLABINFO=y CONFIG_RT_MUTEXES=y CONFIG_BASE_SMALL=0 # CONFIG_MODULES is not set CONFIG_BLOCK=y CONFIG_LBDAF=y # CONFIG_BLK_DEV_BSG is not set # CONFIG_BLK_DEV_INTEGRITY is not set # # IO Schedulers # CONFIG_IOSCHED_NOOP=y # CONFIG_IOSCHED_DEADLINE is not set # CONFIG_IOSCHED_CFQ is not set CONFIG_DEFAULT_NOOP=y CONFIG_DEFAULT_IOSCHED="noop" # CONFIG_INLINE_SPIN_TRYLOCK is not set # CONFIG_INLINE_SPIN_TRYLOCK_BH is not set # CONFIG_INLINE_SPIN_LOCK is not set # CONFIG_INLINE_SPIN_LOCK_BH is not set # CONFIG_INLINE_SPIN_LOCK_IRQ is not set # CONFIG_INLINE_SPIN_LOCK_IRQSAVE is not set CONFIG_INLINE_SPIN_UNLOCK=y # CONFIG_INLINE_SPIN_UNLOCK_BH is not set CONFIG_INLINE_SPIN_UNLOCK_IRQ=y # CONFIG_INLINE_SPIN_UNLOCK_IRQRESTORE is not set # CONFIG_INLINE_READ_TRYLOCK is not set # CONFIG_INLINE_READ_LOCK is not set # CONFIG_INLINE_READ_LOCK_BH is not set # CONFIG_INLINE_READ_LOCK_IRQ is not set # CONFIG_INLINE_READ_LOCK_IRQSAVE is not set CONFIG_INLINE_READ_UNLOCK=y # CONFIG_INLINE_READ_UNLOCK_BH is not set CONFIG_INLINE_READ_UNLOCK_IRQ=y # CONFIG_INLINE_READ_UNLOCK_IRQRESTORE is not set # CONFIG_INLINE_WRITE_TRYLOCK is not set # CONFIG_INLINE_WRITE_LOCK is not set # CONFIG_INLINE_WRITE_LOCK_BH is not set # CONFIG_INLINE_WRITE_LOCK_IRQ is not set # CONFIG_INLINE_WRITE_LOCK_IRQSAVE is not set CONFIG_INLINE_WRITE_UNLOCK=y # CONFIG_INLINE_WRITE_UNLOCK_BH is not set CONFIG_INLINE_WRITE_UNLOCK_IRQ=y # CONFIG_INLINE_WRITE_UNLOCK_IRQRESTORE is not set # CONFIG_MUTEX_SPIN_ON_OWNER is not set CONFIG_FREEZER=y # # System Type # CONFIG_MMU=y # CONFIG_ARCH_AAEC2000 is not set # CONFIG_ARCH_INTEGRATOR is not set # CONFIG_ARCH_REALVIEW is not set # CONFIG_ARCH_VERSATILE is not set # CONFIG_ARCH_VEXPRESS is not set # CONFIG_ARCH_AT91 is not set # CONFIG_ARCH_BCMRING is not set # CONFIG_ARCH_CLPS711X is not set # CONFIG_ARCH_CNS3XXX is not set # CONFIG_ARCH_GEMINI is not set # CONFIG_ARCH_EBSA110 is not set # CONFIG_ARCH_EP93XX is not set # CONFIG_ARCH_FOOTBRIDGE is not set # CONFIG_ARCH_MXC is not set # CONFIG_ARCH_MXS is not set # CONFIG_ARCH_STMP3XXX is not set # CONFIG_ARCH_NETX is not set # CONFIG_ARCH_H720X is not set # CONFIG_ARCH_IOP13XX is not set # CONFIG_ARCH_IOP32X is not set # CONFIG_ARCH_IOP33X is not set # CONFIG_ARCH_IXP23XX is not set # CONFIG_ARCH_IXP2000 is not set # CONFIG_ARCH_IXP4XX is not set # CONFIG_ARCH_DOVE is not set # CONFIG_ARCH_KIRKWOOD is not set # CONFIG_ARCH_LOKI is not set # CONFIG_ARCH_LPC32XX is not set # CONFIG_ARCH_MV78XX0 is not set # CONFIG_ARCH_ORION5X is not set # CONFIG_ARCH_MMP is not set # CONFIG_ARCH_KS8695 is not set # CONFIG_ARCH_NS9XXX is not set # CONFIG_ARCH_W90X900 is not set # CONFIG_ARCH_NUC93X is not set # CONFIG_ARCH_TEGRA is not set # CONFIG_ARCH_PNX4008 is not set # CONFIG_ARCH_PXA is not set # CONFIG_ARCH_MSM is not set CONFIG_ARCH_SHMOBILE=y # CONFIG_ARCH_RPC is not set # CONFIG_ARCH_SA1100 is not set # CONFIG_ARCH_S3C2410 is not set # CONFIG_ARCH_S3C64XX is not set # CONFIG_ARCH_S5P64X0 is not set # CONFIG_ARCH_S5P6442 is not set # CONFIG_ARCH_S5PC100 is not set # CONFIG_ARCH_S5PV210 is not set # CONFIG_ARCH_S5PV310 is not set # CONFIG_ARCH_SHARK is not set # CONFIG_ARCH_TCC_926 is not set # CONFIG_ARCH_LH7A40X is not set # CONFIG_ARCH_U300 is not set # CONFIG_ARCH_U8500 is not set # CONFIG_ARCH_NOMADIK is not set # CONFIG_ARCH_DAVINCI is not set # CONFIG_ARCH_OMAP is not set # CONFIG_PLAT_SPEAR is not set # # SH-Mobile System Type # # CONFIG_ARCH_SH7367 is not set # CONFIG_ARCH_SH7377 is not set CONFIG_ARCH_SH7372=y # CONFIG_ARCH_SH73A0 is not set # # SH-Mobile Board Type # # CONFIG_MACH_AP4EVB is not set CONFIG_MACH_MACKEREL=y # # SH-Mobile System Configuration # # # Memory configuration # CONFIG_MEMORY_START=0x40000000 CONFIG_MEMORY_SIZE=0x10000000 # # Timer and clock configuration # CONFIG_SHMOBILE_TIMER_HZ=128 CONFIG_SH_TIMER_CMT=y CONFIG_SH_TIMER_TMU=y CONFIG_SH_CLK_CPG=y # # SuperH / SH-Mobile Driver Options # # # Interrupt controller options # # CONFIG_INTC_USERIMASK is not set # # Processor Type # CONFIG_CPU_32v6K=y CONFIG_CPU_V7=y CONFIG_CPU_32v7=y CONFIG_CPU_ABRT_EV7=y CONFIG_CPU_PABRT_V7=y CONFIG_CPU_CACHE_V7=y CONFIG_CPU_CACHE_VIPT=y CONFIG_CPU_COPY_V6=y CONFIG_CPU_TLB_V7=y CONFIG_CPU_HAS_ASID=y CONFIG_CPU_CP15=y CONFIG_CPU_CP15_MMU=y # # Processor Features # CONFIG_ARM_THUMB=y # CONFIG_ARM_THUMBEE is not set # CONFIG_SWP_EMULATE is not set # CONFIG_CPU_ICACHE_DISABLE is not set # CONFIG_CPU_DCACHE_DISABLE is not set # CONFIG_CPU_BPREDICT_DISABLE is not set CONFIG_OUTER_CACHE=y CONFIG_OUTER_CACHE_SYNC=y CONFIG_CACHE_L2X0=y CONFIG_CACHE_PL310=y CONFIG_ARM_L1_CACHE_SHIFT=5 CONFIG_ARM_DMA_MEM_BUFFERABLE=y CONFIG_CPU_HAS_PMU=y CONFIG_MULTI_IRQ_HANDLER=y # CONFIG_ARM_ERRATA_430973 is not set # CONFIG_ARM_ERRATA_458693 is not set # CONFIG_ARM_ERRATA_460075 is not set # CONFIG_ARM_ERRATA_743622 is not set # # Bus support # # CONFIG_PCI_SYSCALL is not set # CONFIG_ARCH_SUPPORTS_MSI is not set # CONFIG_PCCARD is not set # # Kernel Features # # CONFIG_NO_HZ is not set # CONFIG_HIGH_RES_TIMERS is not set CONFIG_GENERIC_CLOCKEVENTS_BUILD=y # CONFIG_SMP is not set CONFIG_VMSPLIT_3G=y # CONFIG_VMSPLIT_2G is not set # CONFIG_VMSPLIT_1G is not set CONFIG_PAGE_OFFSET=0xC0000000 CONFIG_PREEMPT_NONE=y # CONFIG_PREEMPT_VOLUNTARY is not set # CONFIG_PREEMPT is not set CONFIG_HZ=128 # CONFIG_THUMB2_KERNEL is not set CONFIG_AEABI=y # CONFIG_OABI_COMPAT is not set # CONFIG_ARCH_SPARSEMEM_DEFAULT is not set # CONFIG_ARCH_SELECT_MEMORY_MODEL is not set # CONFIG_HIGHMEM is not set CONFIG_SELECT_MEMORY_MODEL=y CONFIG_FLATMEM_MANUAL=y CONFIG_FLATMEM=y CONFIG_FLAT_NODE_MEM_MAP=y CONFIG_HAVE_MEMBLOCK=y CONFIG_PAGEFLAGS_EXTENDED=y CONFIG_SPLIT_PTLOCK_CPUS=4 # CONFIG_PHYS_ADDR_T_64BIT is not set CONFIG_ZONE_DMA_FLAG=0 CONFIG_VIRT_TO_BUS=y # CONFIG_KSM is not set CONFIG_DEFAULT_MMAP_MIN_ADDR=4096 CONFIG_NEED_PER_CPU_KM=y CONFIG_FORCE_MAX_ZONEORDER=15 CONFIG_ALIGNMENT_TRAP=y # CONFIG_UACCESS_WITH_MEMCPY is not set # CONFIG_SECCOMP is not set # CONFIG_CC_STACKPROTECTOR is not set # CONFIG_DEPRECATED_PARAM_STRUCT is not set # # Boot options # CONFIG_ZBOOT_ROM_TEXT=0x0 CONFIG_ZBOOT_ROM_BSS=0x44000000 # CONFIG_ZBOOT_ROM is not set CONFIG_CMDLINE="console=tty0, console=ttySC0,115200 earlyprintk=sh-sci.0,115200 root=/dev/nfs nfsroot=,tcp,v3 ip=dhcp memchunk.vpu=64m memchunk.veu0=8m memchunk.spu0=2m mem=240m" # CONFIG_CMDLINE_FORCE is not set # CONFIG_XIP_KERNEL is not set CONFIG_KEXEC=y CONFIG_ATAGS_PROC=y # CONFIG_CRASH_DUMP is not set # CONFIG_AUTO_ZRELADDR is not set # # CPU Power Management # # CONFIG_CPU_IDLE is not set # # Floating point emulation # # # At least one emulation must be selected # # CONFIG_VFP is not set # # Userspace binary formats # CONFIG_BINFMT_ELF=y # CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set CONFIG_HAVE_AOUT=y # CONFIG_BINFMT_AOUT is not set # CONFIG_BINFMT_MISC is not set # # Power management options # CONFIG_PM=y # CONFIG_PM_DEBUG is not set CONFIG_PM_SLEEP=y CONFIG_SUSPEND=y CONFIG_SUSPEND_FREEZER=y # CONFIG_APM_EMULATION is not set CONFIG_PM_RUNTIME=y CONFIG_PM_OPS=y CONFIG_ARCH_SUSPEND_POSSIBLE=y # CONFIG_NET is not set # # Device Drivers # # # Generic Driver Options # CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" # CONFIG_DEVTMPFS is not set CONFIG_STANDALONE=y CONFIG_PREVENT_FIRMWARE_BUILD=y CONFIG_FW_LOADER=y # CONFIG_FIRMWARE_IN_KERNEL is not set CONFIG_EXTRA_FIRMWARE="" # CONFIG_SYS_HYPERVISOR is not set CONFIG_MTD=y # CONFIG_MTD_DEBUG is not set CONFIG_MTD_CONCAT=y CONFIG_MTD_PARTITIONS=y # CONFIG_MTD_REDBOOT_PARTS is not set # CONFIG_MTD_CMDLINE_PARTS is not set # CONFIG_MTD_AFS_PARTS is not set # CONFIG_MTD_AR7_PARTS is not set # # User Modules And Translation Layers # CONFIG_MTD_CHAR=y CONFIG_MTD_BLKDEVS=y CONFIG_MTD_BLOCK=y # CONFIG_FTL is not set # CONFIG_NFTL is not set # CONFIG_INFTL is not set # CONFIG_RFD_FTL is not set # CONFIG_SSFDC is not set # CONFIG_SM_FTL is not set # CONFIG_MTD_OOPS is not set # # RAM/ROM/Flash chip drivers # CONFIG_MTD_CFI=y # CONFIG_MTD_JEDECPROBE is not set CONFIG_MTD_GEN_PROBE=y CONFIG_MTD_CFI_ADV_OPTIONS=y CONFIG_MTD_CFI_NOSWAP=y # CONFIG_MTD_CFI_BE_BYTE_SWAP is not set # CONFIG_MTD_CFI_LE_BYTE_SWAP is not set # CONFIG_MTD_CFI_GEOMETRY is not set CONFIG_MTD_MAP_BANK_WIDTH_1=y CONFIG_MTD_MAP_BANK_WIDTH_2=y CONFIG_MTD_MAP_BANK_WIDTH_4=y # CONFIG_MTD_MAP_BANK_WIDTH_8 is not set # CONFIG_MTD_MAP_BANK_WIDTH_16 is not set # CONFIG_MTD_MAP_BANK_WIDTH_32 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_OTP is not set CONFIG_MTD_CFI_INTELEXT=y # CONFIG_MTD_CFI_AMDSTD is not set # CONFIG_MTD_CFI_STAA is not set CONFIG_MTD_CFI_UTIL=y # CONFIG_MTD_RAM is not set # CONFIG_MTD_ROM is not set # CONFIG_MTD_ABSENT is not set # # Mapping drivers for chip access # # CONFIG_MTD_COMPLEX_MAPPINGS is not set CONFIG_MTD_PHYSMAP=y # CONFIG_MTD_PHYSMAP_COMPAT is not set CONFIG_MTD_ARM_INTEGRATOR=y # CONFIG_MTD_PLATRAM is not set # # Self-contained MTD device drivers # # CONFIG_MTD_SLRAM is not set # CONFIG_MTD_PHRAM is not set # CONFIG_MTD_MTDRAM is not set CONFIG_MTD_BLOCK2MTD=y # # Disk-On-Chip Device Drivers # # CONFIG_MTD_DOC2000 is not set # CONFIG_MTD_DOC2001 is not set # CONFIG_MTD_DOC2001PLUS is not set # CONFIG_MTD_NAND is not set # CONFIG_MTD_ONENAND is not set # # LPDDR flash memory drivers # # CONFIG_MTD_LPDDR is not set # CONFIG_MTD_UBI is not set # CONFIG_PARPORT is not set # CONFIG_BLK_DEV is not set # CONFIG_MISC_DEVICES is not set CONFIG_HAVE_IDE=y # CONFIG_IDE is not set # # SCSI device support # CONFIG_SCSI_MOD=y # CONFIG_RAID_ATTRS is not set CONFIG_SCSI=y CONFIG_SCSI_DMA=y # CONFIG_SCSI_TGT is not set # CONFIG_SCSI_NETLINK is not set CONFIG_SCSI_PROC_FS=y # # SCSI support type (disk, tape, CD-ROM) # CONFIG_BLK_DEV_SD=y # CONFIG_CHR_DEV_ST is not set # CONFIG_CHR_DEV_OSST is not set # CONFIG_BLK_DEV_SR is not set # CONFIG_CHR_DEV_SG is not set # CONFIG_CHR_DEV_SCH is not set # CONFIG_SCSI_MULTI_LUN is not set # CONFIG_SCSI_CONSTANTS is not set # CONFIG_SCSI_LOGGING is not set # CONFIG_SCSI_SCAN_ASYNC is not set # # SCSI Transports # # CONFIG_SCSI_SPI_ATTRS is not set # CONFIG_SCSI_FC_ATTRS is not set # CONFIG_SCSI_SAS_ATTRS is not set # CONFIG_SCSI_SAS_LIBSAS is not set # CONFIG_SCSI_SRP_ATTRS is not set # CONFIG_SCSI_LOWLEVEL is not set # CONFIG_SCSI_DH is not set # CONFIG_SCSI_OSD_INITIATOR is not set # CONFIG_ATA is not set # CONFIG_MD is not set # CONFIG_TARGET_CORE is not set # CONFIG_PHONE is not set # # Input device support # CONFIG_INPUT=y # CONFIG_INPUT_FF_MEMLESS is not set # CONFIG_INPUT_POLLDEV is not set # CONFIG_INPUT_SPARSEKMAP is not set # # Userland interfaces # CONFIG_INPUT_MOUSEDEV=y # CONFIG_INPUT_MOUSEDEV_PSAUX is not set CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024 CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768 # CONFIG_INPUT_JOYDEV is not set # CONFIG_INPUT_EVDEV is not set # CONFIG_INPUT_EVBUG is not set # # Input Device Drivers # # CONFIG_INPUT_KEYBOARD is not set # CONFIG_INPUT_MOUSE is not set # CONFIG_INPUT_JOYSTICK is not set # CONFIG_INPUT_TABLET is not set # CONFIG_INPUT_TOUCHSCREEN is not set # CONFIG_INPUT_MISC is not set # # Hardware I/O ports # CONFIG_SERIO=y CONFIG_SERIO_SERPORT=y # CONFIG_SERIO_RAW is not set # CONFIG_SERIO_ALTERA_PS2 is not set # CONFIG_SERIO_PS2MULT is not set # CONFIG_GAMEPORT is not set # # Character devices # CONFIG_VT=y CONFIG_CONSOLE_TRANSLATIONS=y CONFIG_VT_CONSOLE=y CONFIG_HW_CONSOLE=y # CONFIG_VT_HW_CONSOLE_BINDING is not set CONFIG_DEVKMEM=y # CONFIG_SERIAL_NONSTANDARD is not set # # Serial drivers # # CONFIG_SERIAL_8250 is not set # # Non-8250 serial port support # CONFIG_SERIAL_SH_SCI=y CONFIG_SERIAL_SH_SCI_NR_UARTS=8 CONFIG_SERIAL_SH_SCI_CONSOLE=y # CONFIG_SERIAL_SH_SCI_DMA is not set CONFIG_SERIAL_CORE=y CONFIG_SERIAL_CORE_CONSOLE=y # CONFIG_SERIAL_TIMBERDALE is not set # CONFIG_SERIAL_ALTERA_JTAGUART is not set # CONFIG_SERIAL_ALTERA_UART is not set CONFIG_UNIX98_PTYS=y # CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set # CONFIG_LEGACY_PTYS is not set # CONFIG_HVC_DCC is not set # CONFIG_IPMI_HANDLER is not set # CONFIG_HW_RANDOM is not set # CONFIG_R3964 is not set # CONFIG_RAW_DRIVER is not set # CONFIG_TCG_TPM is not set # CONFIG_RAMOOPS is not set # CONFIG_I2C is not set # CONFIG_SPI is not set # # PPS support # # CONFIG_PPS is not set # # PPS generators support # CONFIG_ARCH_WANT_OPTIONAL_GPIOLIB=y CONFIG_ARCH_REQUIRE_GPIOLIB=y CONFIG_GPIOLIB=y # CONFIG_GPIO_SYSFS is not set # # Memory mapped GPIO expanders: # # CONFIG_GPIO_BASIC_MMIO is not set # CONFIG_GPIO_IT8761E is not set # # I2C GPIO expanders: # # # PCI GPIO expanders: # # # SPI GPIO expanders: # # # AC97 GPIO expanders: # # # MODULbus GPIO expanders: # # CONFIG_W1 is not set # CONFIG_POWER_SUPPLY is not set # CONFIG_HWMON is not set # CONFIG_WATCHDOG is not set CONFIG_SSB_POSSIBLE=y # # Sonics Silicon Backplane # # CONFIG_SSB is not set CONFIG_MFD_SUPPORT=y CONFIG_MFD_CORE=y # CONFIG_MFD_SM501 is not set # CONFIG_MFD_ASIC3 is not set CONFIG_MFD_SH_MOBILE_SDHI=y # CONFIG_HTC_EGPIO is not set # CONFIG_HTC_PASIC3 is not set # CONFIG_MFD_TMIO is not set CONFIG_TMIO_MMC_DMA=y # CONFIG_MFD_T7L66XB is not set # CONFIG_MFD_TC6387XB is not set # CONFIG_MFD_TC6393XB is not set # CONFIG_ABX500_CORE is not set # CONFIG_REGULATOR is not set # CONFIG_MEDIA_SUPPORT is not set # # Graphics support # # CONFIG_DRM is not set # CONFIG_VGASTATE is not set # CONFIG_VIDEO_OUTPUT_CONTROL is not set CONFIG_FB=y # CONFIG_FIRMWARE_EDID is not set # CONFIG_FB_DDC is not set # CONFIG_FB_BOOT_VESA_SUPPORT is not set # CONFIG_FB_CFB_FILLRECT is not set # CONFIG_FB_CFB_COPYAREA is not set # CONFIG_FB_CFB_IMAGEBLIT is not set # CONFIG_FB_CFB_REV_PIXELS_IN_BYTE is not set CONFIG_FB_SYS_FILLRECT=y CONFIG_FB_SYS_COPYAREA=y CONFIG_FB_SYS_IMAGEBLIT=y # CONFIG_FB_FOREIGN_ENDIAN is not set CONFIG_FB_SYS_FOPS=y # CONFIG_FB_WMT_GE_ROPS is not set CONFIG_FB_DEFERRED_IO=y # CONFIG_FB_SVGALIB is not set # CONFIG_FB_MACMODES is not set # CONFIG_FB_BACKLIGHT is not set CONFIG_FB_MODE_HELPERS=y # CONFIG_FB_TILEBLITTING is not set # # Frame buffer hardware drivers # # CONFIG_FB_S1D13XXX is not set CONFIG_FB_SH_MOBILE_LCDC=y # CONFIG_FB_SH_MOBILE_HDMI is not set # CONFIG_FB_TMIO is not set # CONFIG_FB_VIRTUAL is not set # CONFIG_FB_METRONOME is not set # CONFIG_FB_MB862XX is not set # CONFIG_FB_BROADSHEET is not set CONFIG_BACKLIGHT_LCD_SUPPORT=y CONFIG_LCD_CLASS_DEVICE=y # CONFIG_LCD_PLATFORM is not set CONFIG_BACKLIGHT_CLASS_DEVICE=y CONFIG_BACKLIGHT_GENERIC=y # # Display device support # # CONFIG_DISPLAY_SUPPORT is not set # # Console display driver support # CONFIG_DUMMY_CONSOLE=y CONFIG_FRAMEBUFFER_CONSOLE=y # CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY is not set # CONFIG_FRAMEBUFFER_CONSOLE_ROTATION is not set # CONFIG_FONTS is not set CONFIG_FONT_8x8=y CONFIG_FONT_8x16=y CONFIG_LOGO=y # CONFIG_LOGO_LINUX_MONO is not set CONFIG_LOGO_LINUX_VGA16=y # CONFIG_LOGO_LINUX_CLUT224 is not set # CONFIG_SOUND is not set # CONFIG_HID_SUPPORT is not set # CONFIG_USB_SUPPORT is not set CONFIG_MMC=y # CONFIG_MMC_DEBUG is not set # CONFIG_MMC_UNSAFE_RESUME is not set # CONFIG_MMC_CLKGATE is not set # # MMC/SD/SDIO Card Drivers # CONFIG_MMC_BLOCK=y CONFIG_MMC_BLOCK_MINORS=8 # CONFIG_MMC_BLOCK_BOUNCE is not set # CONFIG_SDIO_UART is not set # CONFIG_MMC_TEST is not set # # MMC/SD/SDIO Host Controller Drivers # # CONFIG_MMC_SDHCI is not set CONFIG_MMC_TMIO=y # CONFIG_MMC_DW is not set # CONFIG_MMC_SH_MMCIF is not set # CONFIG_MEMSTICK is not set # CONFIG_NEW_LEDS is not set # CONFIG_NFC_DEVICES is not set # CONFIG_ACCESSIBILITY is not set CONFIG_RTC_LIB=y # CONFIG_RTC_CLASS is not set CONFIG_DMADEVICES=y # CONFIG_DMADEVICES_DEBUG is not set # # DMA Devices # CONFIG_SH_DMAE=y # CONFIG_TIMB_DMA is not set CONFIG_DMA_ENGINE=y # # DMA Clients # # CONFIG_ASYNC_TX_DMA is not set # CONFIG_DMATEST is not set # CONFIG_AUXDISPLAY is not set # CONFIG_UIO is not set # CONFIG_STAGING is not set CONFIG_CLKDEV_LOOKUP=y # # File systems # # CONFIG_EXT2_FS is not set # CONFIG_EXT3_FS is not set # CONFIG_EXT4_FS is not set # CONFIG_REISERFS_FS is not set # CONFIG_JFS_FS is not set # CONFIG_XFS_FS is not set # CONFIG_GFS2_FS is not set # CONFIG_BTRFS_FS is not set # CONFIG_NILFS2_FS is not set # CONFIG_FS_POSIX_ACL is not set CONFIG_FILE_LOCKING=y # CONFIG_FSNOTIFY is not set # CONFIG_DNOTIFY is not set # CONFIG_INOTIFY_USER is not set # CONFIG_FANOTIFY is not set # CONFIG_QUOTA is not set # CONFIG_QUOTACTL is not set # CONFIG_AUTOFS4_FS is not set # CONFIG_FUSE_FS is not set # # Caches # # CONFIG_FSCACHE is not set # # CD-ROM/DVD Filesystems # # CONFIG_ISO9660_FS is not set # CONFIG_UDF_FS is not set # # DOS/FAT/NT Filesystems # # CONFIG_MSDOS_FS is not set # CONFIG_VFAT_FS is not set # CONFIG_NTFS_FS is not set # # Pseudo filesystems # CONFIG_PROC_FS=y CONFIG_PROC_SYSCTL=y CONFIG_PROC_PAGE_MONITOR=y CONFIG_SYSFS=y CONFIG_TMPFS=y # CONFIG_TMPFS_POSIX_ACL is not set # CONFIG_HUGETLB_PAGE is not set # CONFIG_CONFIGFS_FS is not set # CONFIG_MISC_FILESYSTEMS is not set # # Partition Types # # CONFIG_PARTITION_ADVANCED is not set CONFIG_MSDOS_PARTITION=y # CONFIG_NLS is not set # # Kernel hacking # # CONFIG_PRINTK_TIME is not set # CONFIG_ENABLE_WARN_DEPRECATED is not set # CONFIG_ENABLE_MUST_CHECK is not set CONFIG_FRAME_WARN=1024 # CONFIG_MAGIC_SYSRQ is not set # CONFIG_STRIP_ASM_SYMS is not set # CONFIG_UNUSED_SYMBOLS is not set # CONFIG_DEBUG_FS is not set # CONFIG_HEADERS_CHECK is not set # CONFIG_DEBUG_KERNEL is not set # CONFIG_HARDLOCKUP_DETECTOR is not set CONFIG_BKL=y # CONFIG_SPARSE_RCU_POINTER is not set CONFIG_DEBUG_BUGVERBOSE=y CONFIG_DEBUG_MEMORY_INIT=y CONFIG_FRAME_POINTER=y # CONFIG_SYSCTL_SYSCALL_CHECK is not set CONFIG_HAVE_FUNCTION_TRACER=y CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y CONFIG_HAVE_DYNAMIC_FTRACE=y CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y CONFIG_HAVE_C_RECORDMCOUNT=y CONFIG_TRACING_SUPPORT=y # CONFIG_FTRACE is not set # CONFIG_DMA_API_DEBUG is not set # CONFIG_ATOMIC64_SELFTEST is not set # CONFIG_SAMPLES is not set CONFIG_HAVE_ARCH_KGDB=y # CONFIG_STRICT_DEVMEM is not set # CONFIG_ARM_UNWIND is not set # CONFIG_DEBUG_USER is not set # CONFIG_OC_ETM is not set # # Security options # CONFIG_KEYS=y # CONFIG_KEYS_DEBUG_PROC_KEYS is not set # CONFIG_SECURITY_DMESG_RESTRICT is not set # CONFIG_SECURITY is not set # CONFIG_SECURITYFS is not set CONFIG_DEFAULT_SECURITY_DAC=y CONFIG_DEFAULT_SECURITY="" # CONFIG_CRYPTO is not set # CONFIG_BINARY_PRINTF is not set # # Library routines # CONFIG_BITREVERSE=y CONFIG_GENERIC_FIND_LAST_BIT=y # CONFIG_CRC_CCITT is not set # CONFIG_CRC16 is not set # CONFIG_CRC_T10DIF is not set # CONFIG_CRC_ITU_T is not set CONFIG_CRC32=y # CONFIG_CRC7 is not set # CONFIG_LIBCRC32C is not set CONFIG_ZLIB_INFLATE=y CONFIG_LZO_DECOMPRESS=y CONFIG_XZ_DEC=y CONFIG_XZ_DEC_X86=y CONFIG_XZ_DEC_POWERPC=y CONFIG_XZ_DEC_IA64=y CONFIG_XZ_DEC_ARM=y CONFIG_XZ_DEC_ARMTHUMB=y CONFIG_XZ_DEC_SPARC=y CONFIG_XZ_DEC_BCJ=y # CONFIG_XZ_DEC_TEST is not set CONFIG_DECOMPRESS_GZIP=y CONFIG_DECOMPRESS_BZIP2=y CONFIG_DECOMPRESS_LZMA=y CONFIG_DECOMPRESS_XZ=y CONFIG_DECOMPRESS_LZO=y CONFIG_HAS_IOMEM=y CONFIG_HAS_DMA=y