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| author | Lu jicong <jiconglu58@gmail.com> | 2023-07-24 15:22:42 +0800 |
|---|---|---|
| committer | Hauke Mehrtens <hauke@hauke-m.de> | 2023-07-26 12:15:20 +0200 |
| commit | 7b40344ed6aba536004c9cf18efcfaf36d9a9f55 (patch) | |
| tree | 2578240edc88e0ba3edb95139cf706437e1ad31e | |
| parent | 4395236a100b558d96d0e836ddc76df19b33ddfb (diff) | |
uboot-rockchip: add FriendlyARM NanoPC T4 support
Add support for the FriendlyARM NanoPC T4.
Reduce memory frequency to avoid random crash.
Signed-off-by: Lu jicong <jiconglu58@gmail.com>
| -rw-r--r-- | package/boot/uboot-rockchip/Makefile | 8 | ||||
| -rw-r--r-- | package/boot/uboot-rockchip/patches/105-nanopc-t4-fix-memory-unstability.patch | 24 |
2 files changed, 32 insertions, 0 deletions
diff --git a/package/boot/uboot-rockchip/Makefile b/package/boot/uboot-rockchip/Makefile index 983edcb240..2d44c218f2 100644 --- a/package/boot/uboot-rockchip/Makefile +++ b/package/boot/uboot-rockchip/Makefile @@ -74,6 +74,13 @@ define U-Boot/rk3399/Default ATF:=rk3399_bl31.elf endef +define U-Boot/nanopc-t4-rk3399 + $(U-Boot/rk3399/Default) + NAME:=NanoPC T4 + BUILD_DEVICES:= \ + friendlyarm_nanopc-t4 +endef + define U-Boot/nanopi-r4s-rk3399 $(U-Boot/rk3399/Default) NAME:=NanoPi R4S @@ -96,6 +103,7 @@ define U-Boot/rockpro64-rk3399 endef UBOOT_TARGETS := \ + nanopc-t4-rk3399 \ nanopi-r4s-rk3399 \ rock-pi-4-rk3399 \ rockpro64-rk3399 \ diff --git a/package/boot/uboot-rockchip/patches/105-nanopc-t4-fix-memory-unstability.patch b/package/boot/uboot-rockchip/patches/105-nanopc-t4-fix-memory-unstability.patch new file mode 100644 index 0000000000..7d2161ae42 --- /dev/null +++ b/package/boot/uboot-rockchip/patches/105-nanopc-t4-fix-memory-unstability.patch @@ -0,0 +1,24 @@ +From 445502bc21ecf1b5120faee785cea578b810c759 Mon Sep 17 00:00:00 2001 +From: Lu jicong <jiconglu58@gmail.com> +Date: Wed, 5 Jul 2023 17:13:55 +0800 +Subject: [PATCH] rockchip: rk3399: nanopc-t4: use 1600MHz sdram config + +Current 1866MHz sdram config is too high for NanoPC-T4. +On this frequency, its lpddr3 sdram becomes unstable, +causing memtest failures and random kernel crashes. + +Signed-off-by: Lu jicong <jiconglu58@gmail.com> +--- + arch/arm/dts/rk3399-nanopc-t4-u-boot.dtsi | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/arch/arm/dts/rk3399-nanopc-t4-u-boot.dtsi b/arch/arm/dts/rk3399-nanopc-t4-u-boot.dtsi +index 17201bcf41..8b6c9059ab 100644 +--- a/arch/arm/dts/rk3399-nanopc-t4-u-boot.dtsi ++++ b/arch/arm/dts/rk3399-nanopc-t4-u-boot.dtsi +@@ -4,4 +4,4 @@ + */ + + #include "rk3399-nanopi4-u-boot.dtsi" +-#include "rk3399-sdram-lpddr3-samsung-4GB-1866.dtsi" ++#include "rk3399-sdram-lpddr3-4GB-1600.dtsi" |