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sunxi: Provide defaults for R40 DRAM settings

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These values were taken from the Banana Pi M2 Ultra fex file
found in the released vendor BSP. This is the only publicly
available R40 device at the time of this writing.

Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
This commit is contained in:
Chen-Yu Tsai 2016-11-30 16:58:35 +08:00 committed by Maxime Ripard
parent 328ce7fd50
commit fab03e30e6
1 changed files with 3 additions and 0 deletions
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3
board/sunxi/Kconfig
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@ -203,6 +203,7 @@ config DRAM_TYPE
config DRAM_CLK
int "sunxi dram clock speed"
default 792 if MACH_SUN9I
default 648 if MACH_SUN8I_R40
default 312 if MACH_SUN6I || MACH_SUN8I
default 360 if MACH_SUN4I || MACH_SUN5I || MACH_SUN7I
default 672 if MACH_SUN50I
@ -224,6 +225,7 @@ config DRAM_ZQ
int "sunxi dram zq value"
default 123 if MACH_SUN4I || MACH_SUN5I || MACH_SUN6I || MACH_SUN8I
default 127 if MACH_SUN7I
default 3881979 if MACH_SUN8I_R40
default 4145117 if MACH_SUN9I
default 3881915 if MACH_SUN50I
---help---
@ -233,6 +235,7 @@ config DRAM_ODT_EN
bool "sunxi dram odt enable"
default n if !MACH_SUN8I_A23
default y if MACH_SUN8I_A23
default y if MACH_SUN8I_R40
default y if MACH_SUN50I
---help---
Select this to enable dram odt (on die termination).