Hi, On 01/20/2017 12:37 AM, Jagan Teki wrote: > 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?
Sorry for late..I didn't see this issue..but i will check it.. Best Regards, Jaehoon Chung > > _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
