I am using release 2012.07 of u-boot with board type freescale/mx6qarm2. The
mx6qarm2 is what is used as the board type in the freescale u-boot delivered
with the board. We want to use the main line u-boot 2012.07. To get it
working I had to change the serial port and it boots ok. I also noticed sdhc1
and sdhc2 were not being initialized with fsl_esdhc_initialize. I tried to
initialize them but it hangs on "mmc rescan". I turned on CONFIG_MMC_TRACE and
get the following.
MX6QARM2 U-Boot > mmc rescan
board_mmc_getcd called for FSL_SDHC
MMC: mmc_set_bus_width
MMC: mmc_set_clock
MMC: mmc_go_idle
CMD_SEND:0
ARG 0x00000000
FLAG 0
MMC_RSP_NONE
MMC: mmc_send_if_cond
CMD_SEND:8
ARG 0x000001AA
FLAG 0
FYI, below is some debug output when sdhc1 and sdhc2 are not initialized and
doing an mmc rescan.
MX6QARM2 U-Boot > mmc rescan
board_mmc_getcd called for FSL_SDHC
MMC: mmc_set_bus_width
MMC: mmc_set_clock
MMC: mmc_go_idle
CMD_SEND:0
ARG 0x00000000
FLAG 0
MMC_RSP_NONE
MMC: mmc_send_if_cond
CMD_SEND:8
ARG 0x000001AA
FLAG 0
MMC_RSP_R1,5,6,7 0x4FD77E14
MMC: sd_send_op_cond
CMD_SEND:55
ARG 0x00000000
FLAG 0
MMC_RSP_R1,5,6,7 0x00000002
MMC: sd_send_op_cond err -19
CMD_SEND:0
ARG 0x00000000
FLAG 0
MMC_RSP_NONE
CMD_SEND:1
ARG 0x00000000
FLAG 0
MMC_RSP_R3,4 0x00000002
Card did not respond to voltage select!
Any help is much appreciated.
Thanks,
Greg
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