On Sun, Jan 15, 2017 at 5:40 PM, Jagan Teki <ja...@openedev.com> wrote: > Hi, > > I've observed the CMD_ERR in U-Boot while accessing SD with boot from > eMMC on i.MX6 board. > > SPL initializing SD as well eMMC controllers > a) On SD bootmode: from u-boot prompt mmc dev 0 and mmc dev 1 is > getting probe SD and eMMC > b) On eMMC bootmode: from u-boot prompt mmc dev 0 is returning with > -ECOMM in esdhc_send_cmd funtion of fsl_esdhc.c (see the below Log) > but mmc dev 1 probed eMMC correctly > > Log: > ----- > icorem6qdl-rqs> mmc dev 0 > > esdhc_send_cmd: MMC=0x0 addr = 0x2198000, CMD0 > > esdhc_send_cmd: MMC=0x0 addr = 0x2198000, CMD8 > > ECOMM irqstat=0xc0001 CMD8 > > esdhc_send_cmd: MMC=0x0 addr = 0x2198000, CMD55 > > ECOMM CMD55 > mmc_init: -70, time 53 > > With the above log, seems like irqstat has error with > BIT19 -CIE-Command Index Error > BIT18-CEBE-Command End Bit Error > > Usually once the CMD8 is executed based on the response the controller > will switch to SD or MMC so further communication commands being > changes based on that, but here due to controller irqstat error the > controller is unable to switch to SD here. > > The actual working log is [1], this is booting from SD and here is > full log[2] for booting from eMMC. > > [1] https://paste.ubuntu.com/23800820/ > [2] https://paste.ubuntu.com/23800833/ > > Request for any help.
Did anyone find this issue? any clue? _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
