hi3516d的TF卡问题

      hi3516d有两个TF卡槽，第一个卡槽如果插着TF卡（闪迪的8G卡），上电，fdisk时会提示如下的错误：
/dev # fdisk mmcblk0
mmcblk0: error -110 sending status command, retrying
mmcblk0: error -110 sending status command, retrying
mmcblk0: error -110 sending status command, aborting
end_request: I/O error, dev mmcblk0, sector 0
Buffer I/O error on device mmcblk0, logical block 0
end_request: I/O error, dev mmcblk0, sector 8
Buffer I/O error on device mmcblk0, logical block 1
end_request: I/O error, dev mmcblk0, sector 16
Buffer I/O error on device mmcblk0, logical block 2
end_request: I/O error, dev mmcblk0, sector 24
Buffer I/O error on device mmcblk0, logical block 3

此时重新插拔一下就好了（上电前没插TF卡，上电后再插TF卡，也是好的）。但断电后，再上电，又不行了。在第二个卡槽插TF卡，则没有这些问题。
请教高手，为什么第一个卡槽插着TF卡上电就不行，这会是什么问题导致的？

附kernel配置：
CONFIG_MMC=y
# CONFIG_MMC_DEBUG is not set
CONFIG_MMC_UNSAFE_RESUME=y
# CONFIG_MMC_CLKGATE is not set
CONFIG_MMC_EMBEDDED_SDIO=y
# CONFIG_MMC_PARANOID_SD_INIT is not set

#
# MMC/SD/SDIO Card Drivers
#
CONFIG_MMC_BLOCK=y
CONFIG_MMC_BLOCK_MINORS=8
CONFIG_MMC_BLOCK_BOUNCE=y
# CONFIG_MMC_BLOCK_DEFERRED_RESUME is not set
# CONFIG_SDIO_UART is not set
# CONFIG_MMC_TEST is not set

#
# MMC/SD/SDIO Host Controller Drivers
#
# CONFIG_MMC_ARMMMCI is not set
# CONFIG_MMC_SDHCI is not set
# CONFIG_MMC_SDHCI_PXAV3 is not set
# CONFIG_MMC_SDHCI_PXAV2 is not set
# CONFIG_MMC_SPI is not set
# CONFIG_MMC_DW is not set
# CONFIG_MMC_VUB300 is not set
# CONFIG_MMC_USHC is not set
CONFIG_HIMCI=y
CONFIG_SEND_AUTO_STOP=y
CONFIG_HIMCI0=y
CONFIG_HIMCI0_IOBASE=0x206e0000
CONFIG_HIMCI0_INTR=51
CONFIG_MMC0_CLK=100000000
CONFIG_MMC0_CCLK_MAX=100000000
CONFIG_MMC0_CCLK_MIN=60000
CONFIG_HIMCI1=y
CONFIG_HIMCI1_IOBASE=0x206f0000
CONFIG_HIMCI1_INTR=52
CONFIG_MMC1_CLK=100000000
CONFIG_MMC1_CCLK_MAX=100000000
CONFIG_MMC1_CCLK_MIN=60000
# CONFIG_MEMSTICK is not set
# CONFIG_NEW_LEDS is not set
# CONFIG_SWITCH is not set
# CONFIG_ACCESSIBILITY is not set
CONFIG_RTC_LIB=y
# CONFIG_RTC_CLASS is not set
# CONFIG_DMADEVICES is not set
# CONFIG_AUXDISPLAY is not set
# CONFIG_UIO is not set