Files
u-boot/board
Luca Ceresoli 9bc2b2d39c arm64: zynqmp: zcu106: fix SPL MMC booting
The U-Boot SPL generated with the current zcu106 defconfig cannot boot
from MMC:

  [...]
  U-Boot SPL 2018.01 (Feb 21 2018 - 17:47:14)
  EL Level:  EL3
  Trying to boot from MMC1
  sdhci_transfer_data: Error detected in status(0x408020)!
  spl_load_image_fat_os: error reading image u-boot.bin, err - -2
  spl_load_image_fat: error reading image u-boot.img, err - -6
  SPL: failed to boot from all boot devices
  ### ERROR ### Please RESET the board ###

Fix by lowering the rpll value. The new value for the RPLL_CTRL
register comes from the current psu_init_gpl.c from the HDF file at
01ad8ea5fd/zcu106-zynqmp
(generated by Vivado v2017.4).

RPLL and sdio1_ref clocks before and after this change:

 - Old values: RPLL 1.36 GHz, sdio1_ref 272 MHz
 - New values: RPLL 1.16 GHz, sdio1_ref 233 MHz

Signed-off-by: Luca Ceresoli <luca@lucaceresoli.net>
Cc: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2018-04-23 08:57:39 +02:00
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