[U-Boot] [bug report] sunxi: booting from eMMC

[Alexandr Bochkarev]

Already tried. The same output:

> mmc_load_image_raw_sector: mmc block read error
> SPL: failed to boot from all boot devices
> ### ERROR ### Please RESET the board ###





> 2 окт. 2016 г., в 19:38, Jagan Teki <jagannadh.teki at gmail.com> написал(а):
> 
> On Sun, Oct 2, 2016 at 1:07 PM, Alexandr Bochkarev
> <aneox.inbox at gmail.com> wrote:
>> Hi!
>> 
>> I am trying to boot my A20 board from eMMC KLM4G1FE3B-B001, but has no success.
>> Commenting mmc_change_freq has no effect.
>> U-Boot 2016.03 just says Could not determine boot source
>> 
>> I have found, that it stucks in sunxi_mmc_has_egon_boot_signature.
>> 
>> int sunxi_mmc_has_egon_boot_signature(struct mmc *mmc)
>> {
>>        char *buf = malloc(512);
>>        int valid_signature = 0;
>> 
>>        if (buf == NULL)
>>                panic("Failed to allocate memory\n");
>> 
>>        if (mmc_getcd(mmc) && mmc_init(mmc) == 0 &&
>>            mmc->block_dev.block_read(&mmc->block_dev, 16, 1, buf) == 1 &&
>>            strncmp(&buf[4], "eGON.BT0", 8) == 0)
>>                valid_signature = 1;
>> 
>>        free(buf);
>>        return valid_signature;
>> }
>> 
>> mmc_init(mmc) return no errors, seems good, but
>> block_read returns 0, seems it cant read emmc.
>> 
>> 
>> U-Boot 2016.09 says:
>> 
>> mmc_load_image_raw_sector: mmc block read error
>> SPL: failed to boot from all boot devices
>> ### ERROR ### Please RESET the board ###
> 
> Can you try it on master once?
> 
> -- 
> Jagan Teki
> Free Software Engineer | www.openedev.com
> U-Boot, Linux | Upstream Maintainer
> Hyderabad, India.