NetBSD 6.1 w/T-SH7706LSR + SiliconPower 4GB(SDHC)

MES >mesboot.exe12900352[Byte]
NetBSD boot loader ver.0.2
NetBSD kernel loading..................
Copyright (c) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
    2006, 2007, 2008, 2009, 2010, 2011, 2012
    The NetBSD Foundation, Inc.  All rights reserved.
Copyright (c) 1982, 1986, 1989, 1991, 1993
    The Regents of the University of California.  All rights reserved.

NetBSD 6.1 (T_SH7706LSR_SDTEST) #1: Thu Jun 27 20:41:35 JST 2013
        [email protected]:/home/uaa/netbsd/src/sys/arch/evbsh3/compile/obj/T_SH7706LSR_SDTEST
total memory = 32768 KB
avail memory = 29824 KB
mainbus0 (root)
cpu0 at mainbus0: SH3 119.994 MHz PCLOCK 40.00 MHz
cpu0: 16KB/16B 4-way set-associative I/D-unified cache.
cpu0: U0, P0, P3 write-back; P1 write-back
cpu0: 4-way set-associative 128 TLB entries
cpu0: VPN mode, multiple virtual storage mode
ne0 at mainbus0
ne0: NE2000 Ethernet
ne0: Ethernet address 00:18:5f:00:0d:d3
shb0 at mainbus0
rtc0 at shb0
wdog0 at shb0: internal watchdog timer
scif0 at shb0
scif0: console
ssumci0 at mainbus0: SPI MMC controller
sdmmc0 at ssumci0
sdmmc0: attach card
sdmmc_go_idle_state
sdmmc_mmc_command: cmd=0, arg=0, flags=0x600
ssumci0: start cmd 0 arg=0 data=0x0 dlen=0 flags=0x600
ssumci0: response timeout
ssumci0: cmd 0 done (flags=0x601 error=60)
sdmmc0: cmd 0 arg=0 data=0x0 dlen=0 flags=0x601 (error 60)
sdmmc_mmc_command: error=60
sdmmc_mmc_command: cmd=8, arg=0x1aa, flags=0x1732
ssumci0: start cmd 8 arg=0x1aa data=0x0 dlen=0 flags=0x1732
ssumci0: response timeout
ssumci0: cmd 8 done (flags=0x1733 error=60)
sdmmc0: cmd 8 arg=0x1aa data=0x0 dlen=0 flags=0x1733 (error 60)
sdmmc_mmc_command: error=60
sdmmc_app_command: start
sdmmc_mmc_command: cmd=55, arg=0, flags=0x732
ssumci0: start cmd 55 arg=0 data=0x0 dlen=0 flags=0x732
ssumci0: response timeout
ssumci0: cmd 55 done (flags=0x733 error=60)
sdmmc0: cmd 55 arg=0 data=0x0 dlen=0 flags=0x733 (error 60)
sdmmc_mmc_command: error=60
sdmmc_app_command: done (error=60)
sdmmc0: sdmmc_mem_send_op_cond: error=60, ocr=0
sdmmc0: switch to MMC mode
sdmmc_mmc_command: cmd=1, arg=0, flags=0x702
ssumci0: start cmd 1 arg=0 data=0x0 dlen=0 flags=0x702
ssumci0: response timeout
ssumci0: cmd 1 done (flags=0x703 error=60)
sdmmc0: cmd 1 arg=0 data=0x0 dlen=0 flags=0x703 (error 60)
sdmmc_mmc_command: error=60
sdmmc0: sdmmc_mem_send_op_cond: error=60, ocr=0
sdmmc0: couldn't read memory OCR
sdmmc0: detach card
root device: