u-boot/arch/arm/cpu/armv7/mx6
Nikita Kiryanov f2863ff3f4 arm: imx: make bmode command work with SPL/U-Boot combo
The bmode command forces the SoC to use a specific boot device
by writing its boot mode into SRC_GPR9, and notifying the SoC of
the change using SRC_GPR10[28] bit: if the bit is on, bootROM
uses the value in SRC_GPR9 instead of SRC_SMBR1 to determine
the boot device.

SPL on the other hand is oblivious to this distinction, so once
the bootROM loads SPL from the device configured in SRC_GPR10,
SPL will attempt to load U-Boot from the device configured in
SRC_SMBR1, which is not updated by the bootROM to the value in
SRC_GPR9.

The result is that the selected boot device is not used across all
the boot stages.

Update spl_boot_device() to look at gpr9 when necessary.

Signed-off-by: Nikita Kiryanov <nikita@compulab.co.il>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Troy Kisky <troy.kisky@boundarydevices.com>
Cc: Tim Harvey <tharvey@gateworks.com>
Cc: Eric Nelson <eric.nelson@boundarydevices.com>
Cc: Fabio Estevam <fabio.estevam@freescale.com>
Cc: Heiko Schocher <hs@denx.de>
2014-11-12 09:03:54 +01:00
..
clock.c imx: mx6: Change the get_ipg_per_clk for OSC 24Mhz source 2014-11-03 11:21:49 +01:00
ddr.c cosmetic: replace MIN, MAX with min, max 2014-09-24 18:30:29 -04:00
hab.c imx: Support i.MX6 High Assurance Boot authentication 2014-09-22 16:21:04 +02:00
Makefile mx6: add support of multi-processor command 2014-08-20 11:52:54 +02:00
mp.c mx6: add support of multi-processor command 2014-08-20 11:52:54 +02:00
soc.c arm: imx: make bmode command work with SPL/U-Boot combo 2014-11-12 09:03:54 +01:00