path: root/board
diff options
authorHans de Goede <>2014-10-22 14:56:36 +0200
committerHans de Goede <>2014-10-24 09:37:26 +0200
commitaccc9e446be6c3bd129315a0c5830bddccfa16da (patch)
tree2a32f4bf120830503a6eb65033071b1414e31dcf /board
parentd0dbc286036a4e4e01ca056e40d952a081162a8c (diff)
sunxi: Add CONFIG_OLD_SUNXI_KERNEL_COMPAT Kconfig option
Add a Kconfig option which users can select when they want to boot older kernels, e.g. the linux-sunxi 3.4 kernels. For now this just forces the pll5 "p" value to 1 (divide by 2) as that is what those kernels are hardcoded too, in the future this may enable further workarounds. Signed-off-by: Hans de Goede <> Reviewed-by: Tom Rini <> -- Changes in v2: -s/CONFIG_OLD_KERNEL_COMPAT/CONFIG_OLD_SUNXI_KERNEL_COMPAT. -Move the code block setting P(1) for old kernels to where P gets cleared
Diffstat (limited to 'board')
1 files changed, 7 insertions, 0 deletions
diff --git a/board/sunxi/Kconfig b/board/sunxi/Kconfig
index 449c0460f9..31a15037d0 100644
--- a/board/sunxi/Kconfig
+++ b/board/sunxi/Kconfig
@@ -20,6 +20,13 @@ config SYS_SOC
config FDTFILE
string "Default fdtfile env setting for this board"
+ boolean "Enable workarounds for booting old kernels"
+ default n
+ ---help---
+ Set this to enable various workarounds for old kernels, this results in
+ sub-optimal settings for newer kernels, only enable if needed.
config MMC0_CD_PIN
string "Card detect pin for mmc0"
default ""
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