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. set *valid_signature = 1 *force,
has no positive effect.
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 ###
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