On Wed, Jun 6, 2018 at 10:26 AM, Vasily Khoruzhick anarsoul@gmail.com wrote:
eMMC seems to require new clocking mode and calibration on A64, otherwise it is pretty unstable on some boards (e.g. Pinebook) with some eMMCs.
v2: - improve comment about calibration for eMMC on A64 - simplify ifdef-s around configuring delays v3: - fix fallout due to ifdef simplification in v2 v4: - really fix ifdefs this time v5: - add new option for SoCs without new mode switch in CCM
Vasily Khoruzhick (3): sunxi-mmc: introduce new MMC_SUNXI_HAS_NEW_MODE_SWITCH option sunxi-mmc: use new mode on A64 mmc: sunxi: run calibration on A64
I have still observing eMMC boot issue, this need to debug further
U-Boot SPL 2018.07-rc1-00164-g117d5917d2 (Jun 16 2018 - 15:12:28 +0530) DRAM: 1024 MiB Trying to boot from MMC2 unable to select a mode mmc_load_image_raw_sector: mmc block read error SPL: failed to boot from all boot devices ### ERROR ### Please RESET the board ###
Jagan.