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rockchip: Enable pre console for rk3399

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Enable pre console buffer for rk3399 platform.

This would help to capture the console messages prior to
the console being initialised. Enabling this would help
to capture all the console messages on video output source
like HDMI. So we can find the full console messages of
U-Boot proper on HDMI display when enabled it for RK3399
platform boards.

Buffer address used for pre console is 0x0f200000 which is
ram base plus 240MiB. right now the Allwinner SoC is using
similar computation.

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
Tested-by: Peter Robinson <pbrobinson@gmail.com>
This commit is contained in:
Jagan Teki 2020-04-02 17:11:23 +05:30 committed by Anatolij Gustschin
parent e67243f1a3
commit 61853a7ac7
2 changed files with 2 additions and 0 deletions
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1
arch/arm/mach-rockchip/Kconfig
View File

@ -229,6 +229,7 @@ config ROCKCHIP_RK3399
select DM_PMIC
select DM_REGULATOR_FIXED
select BOARD_LATE_INIT
imply PRE_CONSOLE_BUFFER
imply ROCKCHIP_COMMON_BOARD
imply ROCKCHIP_SDRAM_COMMON
imply SPL_ROCKCHIP_COMMON_BOARD

1
common/Kconfig
View File

@ -568,6 +568,7 @@ config PRE_CON_BUF_ADDR
default 0x2f000000 if ARCH_SUNXI && MACH_SUN9I
default 0x4f000000 if ARCH_SUNXI && !MACH_SUN9I
default 0x0f000000 if ROCKCHIP_RK3288
default 0x0f200000 if ROCKCHIP_RK3399
help
This sets the start address of the pre-console buffer. This must
be in available memory and is accessed before relocation and