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7b40344ed6
Add support for the FriendlyARM NanoPC T4. Reduce memory frequency to avoid random crash. Signed-off-by: Lu jicong <jiconglu58@gmail.com>
25 lines
925 B
Diff
25 lines
925 B
Diff
From 445502bc21ecf1b5120faee785cea578b810c759 Mon Sep 17 00:00:00 2001
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From: Lu jicong <jiconglu58@gmail.com>
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Date: Wed, 5 Jul 2023 17:13:55 +0800
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Subject: [PATCH] rockchip: rk3399: nanopc-t4: use 1600MHz sdram config
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Current 1866MHz sdram config is too high for NanoPC-T4.
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On this frequency, its lpddr3 sdram becomes unstable,
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causing memtest failures and random kernel crashes.
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Signed-off-by: Lu jicong <jiconglu58@gmail.com>
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---
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arch/arm/dts/rk3399-nanopc-t4-u-boot.dtsi | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/arch/arm/dts/rk3399-nanopc-t4-u-boot.dtsi b/arch/arm/dts/rk3399-nanopc-t4-u-boot.dtsi
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index 17201bcf41..8b6c9059ab 100644
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--- a/arch/arm/dts/rk3399-nanopc-t4-u-boot.dtsi
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+++ b/arch/arm/dts/rk3399-nanopc-t4-u-boot.dtsi
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@@ -4,4 +4,4 @@
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*/
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#include "rk3399-nanopi4-u-boot.dtsi"
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-#include "rk3399-sdram-lpddr3-samsung-4GB-1866.dtsi"
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+#include "rk3399-sdram-lpddr3-4GB-1600.dtsi"
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