Hello Jaehoon,
Jaehoon Chung wrote: > Dear, Tobias. > > On 09/21/2015 06:34 PM, Tobias Jakobi wrote: >> Hello, >> >> Jaehoon Chung wrote: >>> Hi, >>> >>> On 09/21/2015 08:18 AM, Tobias Jakobi wrote: >>>> Hello, >>>> >>>> currently operation on Exynos4412-based Odroid devices is broken. >>>> >>>> The bootloader stops with this message: >>>> Card did not respond to voltage select! >>>> *** Warning - MMC init failed, using default environment >>> >>> Which board did you use? and Which cad is failed? SD or eMMC? >> This is an Odroid-X2. I'm booting from SD with a Sandisk Extreme. I >> don't have any eMMC here. > > But if your patch is applied, other exynos4412 and exynos using s5p_sdhci > don't work fine for SD-card. > This case is the specific X2 board. I think schematic is wrong. > (I have checked the Odrodd_X-base_Rev_06.pdf) > > Commonly, SD-detect pin is supplied to always-on power. > But odroid-x/u board used the same supplier with I/O line. It's wrong. I wouldn't know, I don't even know how to properly read these schematics. > This is H/W mis-designed problem, not code problem. > Well, I will reproduce your problem with X2 board. > And if reproduced your problem, I will find other solution, not this. how > about? Sure, as long as this fixes the issue. Let me know if I can test anything. >> Actually it was some other person who encountered this issue with his >> Odroid-X2 and booting from SD. After he made me aware of it, I also >> updated my u-boot (I was then using a version from May 2015, which works >> perfectly btw) and encountered the very same issue as him. >> > > Need to consider other SoC. You seems to consider only Odroid based-on > exyno4412. > Did you test other exynos4412 board? I have only one ARM board here, which is the Odroid-X2. Nothing else. With best wishes, Tobias > > Best Regards, > Jaehoon Chung > >> >> >>> Your [PATCH 4/4] is strange..so i want to get more information. >> For me it restores proper operation of the bootloader to the board. >> >> >> With best wishes, >> Tobias >> >> >>> >>> If you can share more information, i can explain more exactly about your >>> problem. >>> >>> Best Regards, >>> Jaehoon Chung >>> >>>> >>>> This series fixes error handling in the s5p sdhci driver >>>> and the cause of the issue, which is an inverted card >>>> detection check. >>>> >>>> Thanks goes to Marek Vasut and Sjoerd Simons who helped >>>> me on IRC to get this triaged. >>>> >>>> With best wishes, >>>> Tobias >>>> >>>> Tobias Jakobi (4): >>>> exynos: Properly initialize host_caps in s5p_sdhci_core_init() >>>> exynos: Fix passing of errors in exynos_mmc_init() >>>> exynos: be more verbose in process_nodes() >>>> exynos: fix and cleanup do_sdhci_init() >>>> >>>> drivers/mmc/s5p_sdhci.c | 39 +++++++++++++++++++++++---------------- >>>> 1 file changed, 23 insertions(+), 16 deletions(-) >>>> >>> >> >> > _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
