openwrt/package/boot/uboot-mediatek/patches/050-mt7622-enable-pstore.patch
Daniel Golle cc201759b6
uboot-mediaktek: add support for PSTORE and check it on boot
Add support for pstore/ramoops now that DRAM content is preserved
over reboot on MT7622. On each boot, check pstore and boot to recovery
image in case there are records stored in it.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
2021-05-08 23:35:38 +01:00

34 lines
667 B
Diff

--- a/arch/arm/dts/mt7622.dtsi
+++ b/arch/arm/dts/mt7622.dtsi
@@ -37,6 +37,30 @@
};
};
+ psci {
+ compatible = "arm,psci-1.0";
+ method = "smc";
+ };
+
+ reserved-memory {
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges;
+
+ /* 64 KiB reserved for ramoops/pstore */
+ ramoops@0x42ff0000 {
+ compatible = "ramoops";
+ reg = <0 0x42ff0000 0 0x10000>;
+ record-size = <0x1000>;
+ };
+
+ /* 192 KiB reserved for ARM Trusted Firmware (BL31) */
+ secmon_reserved: secmon@43000000 {
+ reg = <0 0x43000000 0 0x30000>;
+ no-map;
+ };
+ };
+
snfi: snfi@1100d000 {
compatible = "mediatek,mtk-snfi-spi";
reg = <0x1100d000 0x2000>;