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openwrt/package/boot/uboot-mediatek/patches/103-04-mt7988-enable-pstore.patch
Shiji Yang b286fd8a39 uboot-mediatek: adjust the reserved memory regions
* Increase mt7986 ATF reserved memory to 256 kiB to follow the linux
  kernel and Trusted Firmware-A changes.

* Remove unnecessary reserved memory region for the WiFi hardware. The
  u-boot can not drive the WiFi hardware. Hence we don't need to keep
  this memory region.

* Remove useless node labels and update comments.

Signed-off-by: Shiji Yang <yangshiji66@outlook.com>
Link: https://github.com/openwrt/openwrt/pull/19741
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
2025-08-24 13:22:09 +02:00

34 lines
671 B
Diff

--- a/arch/arm/dts/mt7988.dtsi
+++ b/arch/arm/dts/mt7988.dtsi
@@ -63,6 +63,30 @@
#clock-cells = <0>;
};
+ psci {
+ compatible = "arm,psci-0.2";
+ method = "smc";
+ };
+
+ reserved-memory {
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges;
+
+ /* 64 KiB reserved for ramoops/pstore */
+ ramoops@42ff0000 {
+ compatible = "ramoops";
+ reg = <0 0x42ff0000 0 0x10000>;
+ record-size = <0x1000>;
+ };
+
+ /* 320 KiB reserved for ARM Trusted Firmware (BL31 + BL32) */
+ secmon@43000000 {
+ reg = <0 0x43000000 0 0x50000>;
+ no-map;
+ };
+ };
+
hwver: hwver {
compatible = "mediatek,hwver", "syscon";
reg = <0 0x8000000 0 0x1000>;