I'm trying to get UHS-1 card working on LS1043ardb. I have added the UHS mode in DTB file.
After I inserted the card, I could get card attached as SDR104, but looks it will fail at reading SD card and mount the partition.
I could see card in linux, but I'm not able to access the content.
[ 242.631787] mmc_sd_init_uhs_card:643: mmc execute tunning
[ 242.637184] mmc0: new ultra high speed SDR104 SDHC card at address 59b4
[ 242.644162] mmcblk0: mmc0:59b4 SRT 15.1 GiB
[ 242.649542] mmcblk0: p1 p2
[ 242.705812] mmcblk0: error -110 sending stop command, original cmd response 0x900, card st0
[ 242.788552] sdhci: Timeout waiting for Buffer Read Ready interrupt during tuning procedurek
[ 242.800112] mmc0: tuning execution failed: -5
[ 242.804475] mmcblk0: error -84 sending status command, retrying
[ 242.884551] sdhci: Timeout waiting for Buffer Read Ready interrupt during tuning procedurek
[ 242.896110] mmc0: tuning execution failed: -5
[ 242.900461] mmcblk0: error -5 sending status command, retrying
[ 242.906298] mmcblk0: error -84 sending status command, aborting
[ 253.040548] mmc0: Timeout waiting for hardware cmd interrupt.
[ 253.046283] sdhci: =========== REGISTER DUMP (mmc0)===========
[ 253.052104] sdhci: Sys addr: 0x00000000 | Version: 0x00002102
[ 253.057925] sdhci: Blk size: 0x00000000 | Blk cnt: 0x00000000
[ 253.063745] sdhci: Argument: 0x000001aa | Trn mode: 0x00000000
[ 253.069565] sdhci: Present: 0x01fd0009 | Host ctl: 0x00000020
[ 253.075386] sdhci: Power: 0x00000000 | Blk gap: 0x00000000
[ 253.081206] sdhci: Wake-up: 0x00000000 | Clock: 0x000020f8
[ 253.087026] sdhci: Timeout: 0x00000000 | Int stat: 0x00000000
[ 253.092846] sdhci: Int enab: 0x007f1087 | Sig enab: 0x007f1083
[ 253.098667] sdhci: AC12 err: 0x00000000 | Slot int: 0x00002102
[ 253.104488] sdhci: Caps: 0x37fa0000 | Caps_1: 0x0000af00
[ 253.110308] sdhci: Cmd: 0x0000081a | Max curr: 0x00000000
[ 253.116128] sdhci: Host ctl2: 0x00000000
[ 253.120039] sdhci: ADMA Err: 0x00000000 | ADMA Ptr: 0x0000000000000000
[ 253.126553] sdhci: ===========================================
Does any one could give some hints?