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Linux/PROCESSOR-SDK-AM437X: AM437x U-boot problem when booting from eMMC

Part Number: PROCESSOR-SDK-AM437X
Other Parts Discussed in Thread: TPS65218

Tool/software: Linux

Hi,

i am using ti-processor-sdk-linux-am437x-evm-03.01.00.06,my eMMC is connected in MMC1 lines ,my boot sequence is MMC0, MMC1,USB1 & USB0,i am success fully booting from MMC0 (i.e sd card ), when i remove mmc0 trying to boot from eMMC getting below error in u-boot.( i made mux selection pins in uboot mux.c file).

somehow my boot selection arguments missing, any one can share eMMC boot arguments.

u-boot log:

U-Boot SPL 2016.05-00118-g5df546e-dirty (Dec 07 2016 - 19:08:59)
Trying to boot from MMC2
SPL: Please implement spl_start_uboot() for your board
SPL: Direct Linux boot not active!
reading u-boot.img
reading u-boot.img


U-Boot 2016.05-00118-g5df546e-dirty (Dec 07 2016 - 19:08:59 +0530)

DRAM:  512 MiB
PMIC:  TPS65218
MMC:   OMAP SD/MMC: 0
Card did not respond to voltage select!
** Bad device mmc 0 **
Using default environment

Net:   Could not get PHY for ethernet@4a100000: addr 4

Warning: ethernet@4a100000 using MAC address from ROM
eth0: ethernet@4a100000
Hit any key to stop autoboot:  0
Card did not respond to voltage select!
Card did not respond to voltage select!
Card did not respond to voltage select!
Card did not respond to voltage select!
starting USB...
USB0:   Register 2000440 NbrPorts 2
Starting the controller
USB XHCI 1.00
scanning bus 0 for devices... ERROR: Configure Endpoint command returned completion code 8.
Failed to configure xHCI endpoint
failed to set default configuration len 25, status 80000000
1 USB Device(s) found
       scanning usb for storage devices... 0 Storage Device(s) found

USB device 0: unknown device
=>

USB device 0: unknown device
=> mmc rescan
Card did not respond to voltage select!
=> mmc list
OMAP SD/MMC: 0
=> mmc info
Card did not respond to voltage select!
=> mmc dev 1
MMC Device 1 not found
no mmc device at slot 1
=> mmc dev 0
Card did not respond to voltage select!