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sunxi: provide default DRAM config for sun50i in Kconfig

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To avoid enumerating the very same DRAM values in defconfig files
for each and every Allwinner A64 board out there, let's put some sane
default values in the Kconfig file.
Boards with different needs can override them at any time.

Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Reviewed-by: Jagan Teki <jagan@openedev.com>
This commit is contained in:
Andre Przywara 2017-01-02 11:48:37 +00:00 • committed by Jagan Teki
parent 83843c9b3a
commit 52e3182b82
2 changed files with 2 additions and 2 deletions
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2
board/sunxi/Kconfig
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@ -168,6 +168,7 @@ config DRAM_CLK
default 792 if MACH_SUN9I
default 312 if MACH_SUN6I || MACH_SUN8I
default 360 if MACH_SUN4I || MACH_SUN5I || MACH_SUN7I
default 672 if MACH_SUN50I
---help---
Set the dram clock speed, valid range 240 - 480 (prior to sun9i),
must be a multiple of 24. For the sun9i (A80), the tested values
@ -187,6 +188,7 @@ config DRAM_ZQ
default 123 if MACH_SUN4I || MACH_SUN5I || MACH_SUN6I || MACH_SUN8I
default 127 if MACH_SUN7I
default 4145117 if MACH_SUN9I
default 3881915 if MACH_SUN50I
---help---
Set the dram zq value.

2
configs/pine64_plus_defconfig
View file

@ -2,8 +2,6 @@ CONFIG_ARM=y
CONFIG_RESERVE_ALLWINNER_BOOT0_HEADER=y
CONFIG_ARCH_SUNXI=y
CONFIG_MACH_SUN50I=y
CONFIG_DRAM_CLK=672
CONFIG_DRAM_ZQ=3881915
CONFIG_DEFAULT_DEVICE_TREE="sun50i-a64-pine64-plus"
# CONFIG_SYS_MALLOC_CLEAR_ON_INIT is not set
CONFIG_CONSOLE_MUX=y