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authorChen-Yu Tsai <wens@csie.org>2016-11-30 08:58:35 (GMT)
committerMaxime Ripard <maxime.ripard@free-electrons.com>2017-04-20 11:30:01 (GMT)
commitfab03e30e67b18e54e4118b59a245a8a3e26d04c (patch)
tree46590d6bae6d752b55d2207f3b7042381acb1abc
parent328ce7fd505288949d83b72562586a139e025549 (diff)
downloadu-boot-fab03e30e67b18e54e4118b59a245a8a3e26d04c.tar.xz
sunxi: Provide defaults for R40 DRAM settings
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>
-rw-r--r--board/sunxi/Kconfig3
1 files changed, 3 insertions, 0 deletions
diff --git a/board/sunxi/Kconfig b/board/sunxi/Kconfig
index f40b8ff..92f9d32 100644
--- a/board/sunxi/Kconfig
+++ b/board/sunxi/Kconfig
@@ -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).