Hi Jerome On 14 May 2018 at 19:18, Jerome Brunet <jbrunet@xxxxxxxxxxxx> wrote: > On Wed, 2018-05-02 at 00:29 +0530, Anand Moon wrote: >> Enable UHS modes for sdcard, on odroidc2. >> >> Signed-off-by: Anand Moon <linux.amoon@xxxxxxxxx> >> --- >> arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts | 5 +++++ >> 1 file changed, 5 insertions(+) >> >> diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts b/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts >> index 54954b314a45..c90f8b46c60c 100644 >> --- a/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts >> +++ b/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts >> @@ -258,6 +258,11 @@ >> cap-sd-highspeed; >> max-frequency = <100000000>; >> disable-wp; >> + sd-uhs-sdr12; >> + sd-uhs-sdr25; >> + sd-uhs-sdr50; >> + sd-uhs-sdr104; >> + sd-uhs-ddr50; >> >> cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_HIGH>; >> cd-inverted; > > Hi Anand, > > I tried a few sdcards on the OC2 with your 2 patches. > Like with the libretech-cc, sdr104@200Mhz works "mostly", but, with some > sdcards, it does not - please see below. The same sdcards appear to be working > fine on my laptop. > > This is something I have not been able to crack yet on the libretech-cc. > > I'd suggest dropping sdr104 and keeping the max frequency at 100Mhz until we can > figure out the problem here. > > With this changed: > > Tested-by: Jerome Brunet <jbrunet@xxxxxxxxxxxx> > > dd if=/dev/mmcblk1 of=/dev/zero bs=4M > [ 446.925817] mmc1: tuning execution failed: -5 > [ 446.956597] mmc1: tuning execution failed: -5 > [ 489.957810] print_req_error: I/O error, dev mmcblk1, sector 6654424 > [ 490.141975] print_req_error: I/O error, dev mmcblk1, sector 6656440 > [ 490.148304] print_req_error: I/O error, dev mmcblk1, sector 6656944 > [ 490.349650] print_req_error: I/O error, dev mmcblk1, sector 6658456 > [ 491.804382] print_req_error: I/O error, dev mmcblk1, sector 6747688 > [ 492.281246] print_req_error: I/O error, dev mmcblk1, sector 6784992 > [ 492.419034] print_req_error: I/O error, dev mmcblk1, sector 6785496 > [ 492.865878] print_req_error: I/O error, dev mmcblk1, sector 6791800 > [ 493.023809] print_req_error: I/O error, dev mmcblk1, sector 6792192 > [ 493.024435] Buffer I/O error on dev mmcblk1, logical block 849024, async page > read > [ 493.217751] print_req_error: I/O error, dev mmcblk1, sector 6792808 > [ 494.891779] mmc1: tuning execution failed: -5 > [ 495.374186] print_req_error: 3 callbacks suppressed > [ 495.374193] print_req_error: I/O error, dev mmcblk1, sector 6854576 > [ 495.767498] print_req_error: I/O error, dev mmcblk1, sector 6860000 > [ 496.013104] print_req_error: I/O error, dev mmcblk1, sector 6863024 > [ 496.223042] print_req_error: I/O error, dev mmcblk1, sector 6864032 > [ 496.227003] print_req_error: I/O error, dev mmcblk1, sector 6864536 > [ 496.375175] print_req_error: I/O error, dev mmcblk1, sector 6864176 > [ 496.375806] Buffer I/O error on dev mmcblk1, logical block 858022, async page > read > [ 496.521229] print_req_error: I/O error, dev mmcblk1, sector 6864184 > [ 496.521852] Buffer I/O error on dev mmcblk1, logical block 858023, async page > read > [ 503.596978] print_req_error: I/O error, dev mmcblk1, sector 6983312 > [ 503.597606] Buffer I/O error on dev mmcblk1, logical block 872914, async page > read > [ 505.280621] print_req_error: I/O error, dev mmcblk1, sector 7004536 > [ 505.281249] Buffer I/O error on dev mmcblk1, logical block 875567, async page > read > [ 507.372560] print_req_error: I/O error, dev mmcblk1, sector 7048696 > [ 507.373192] Buffer I/O error on dev mmcblk1, logical block 881087, async page > read > [ 511.355248] print_req_error: I/O error, dev mmcblk1, sector 7131352 > [ 511.355883] Buffer I/O error on dev mmcblk1, logical block 891419, async page > read > [ 511.369076] print_req_error: I/O error, dev mmcblk1, sector 7131352 > [ 511.369694] Buffer I/O error on dev mmcblk1, logical block 891419, async page > read > dd: error reading '/dev/mmcblk1': Input/output error > 868+7 records in > 868+7 records out > 3651252224 bytes (3.7 GB, 3.4 GiB) copied, 66.7736 s, 54.7 MB/s Thank for your testing, I will also do some more testing on all the sdcard and share you the result.. Mean while Sandisk Ultra microSDHC UHS-I card @A1 32GB shows. On my Odroid C2: [ 1.165784] meson-gx-mmc d0074000.mmc: allocated mmc-pwrseq [ 1.403756] meson-gx-mmc d0072000.mmc: Got CD GPIO [ 1.456160] Waiting for root device /dev/mmcblk1p2... [ 1.608180] mmc1: new ultra high speed SDR104 SDHC card at address aaaa [ 1.610002] mmcblk1: mmc1:aaaa JULIE 29.7 GiB [ 1.617811] mmcblk1: p1 p2 Also I did not encounter and read/write failure on the sdcard but I will re-test them. root@odroid64:~# dd if=/dev/mmcblk1 of=/dev/zero bs=4M 7609+1 records in 7609+1 records out 31914983424 bytes (32 GB, 30 GiB) copied, 368.637 s, 86.6 MB/s root@odroid64:~# Best Regards -Anand -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html