在 2017-11-02 16:25，Jagan Teki 写道：
On Thu, Nov 2, 2017 at 9:06 AM, Icenowy Zheng <icen...@aosc.io> wrote:
The BSP of Nano Pi NEO2 provided by FriendlyARM uses 504MHz DRAM
frequency, which is much lower than the current 672MHz used in
mainline.
Switch to use the BSP-provided frequency 504MHz for DRAM.
Thanks to Thomas Kaiser, who pointed out the frequency problem.
Signed-off-by: Icenowy Zheng <icen...@aosc.io>
---
configs/nanopi_neo2_defconfig | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/configs/nanopi_neo2_defconfig
b/configs/nanopi_neo2_defconfig
index b8e089176f..e210af4f0e 100644
--- a/configs/nanopi_neo2_defconfig
+++ b/configs/nanopi_neo2_defconfig
@@ -1,7 +1,7 @@
CONFIG_ARM=y
CONFIG_ARCH_SUNXI=y
CONFIG_MACH_SUN50I_H5=y
-CONFIG_DRAM_CLK=672
+CONFIG_DRAM_CLK=504
Can you point me the BSP, here what I refer to have [1]
The file at [1] is just from mainline.
The BSP configuration is at [2].
[2]
https://github.com/friendlyarm/h5_lichee/blob/master/tools/pack/chips/sun50iw2p1/configs/cheetah-p1/board/sys_config_nanopi-neo2.fex
[1]
https://github.com/friendlyarm/u-boot/blob/sunxi-v2017.x/configs/nanopi_neo2_defconfig
thanks!
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