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authorAlexander Couzens <lynxis@fe80.eu>2023-03-19 19:00:51 +0100
committerDaniel Golle <daniel@makrotopia.org>2023-05-29 13:04:14 +0100
commit5d0d04e2384ebd54d14e1f5d80ad74602f8fc17f (patch)
tree149382e0400cd50de91a01911d46195b563a461c /package
parent7f0e1373f40c45e3b8c3ec4517070e8b9dec2a64 (diff)
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mediatek: mt7981: add reserved memory to support pstore
Add reserved memory for pstore/ramoops to device tree used by Linux as well as U-Boot. Signed-off-by: Alexander Couzens <lynxis@fe80.eu> Signed-off-by: Daniel Golle <daniel@makrotopia.org> (cherry picked from commit 3eb354f999a3687f9ae547899b0f5ec2b10185ab) Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Diffstat (limited to 'package')
-rw-r--r--package/boot/uboot-mediatek/patches/052-mt7981-enable-pstore.patch38
1 files changed, 38 insertions, 0 deletions
diff --git a/package/boot/uboot-mediatek/patches/052-mt7981-enable-pstore.patch b/package/boot/uboot-mediatek/patches/052-mt7981-enable-pstore.patch
new file mode 100644
index 0000000000..9bfea8f737
--- /dev/null
+++ b/package/boot/uboot-mediatek/patches/052-mt7981-enable-pstore.patch
@@ -0,0 +1,38 @@
+--- a/arch/arm/dts/mt7981.dtsi
++++ b/arch/arm/dts/mt7981.dtsi
+@@ -32,6 +32,35 @@
+ };
+ };
+
++ 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>;
++ };
++
++ /* 192 KiB reserved for ARM Trusted Firmware (BL31) */
++ secmon_reserved: secmon@43000000 {
++ reg = <0 0x43000000 0 0x30000>;
++ no-map;
++ };
++
++ wmcpu_emi: wmcpu-reserved@4fc00000 {
++ no-map;
++ reg = <0 0x4fc00000 0 0x00100000>;
++ };
++ };
++
+ gpt_clk: gpt_dummy20m {
+ compatible = "fixed-clock";
+ clock-frequency = <13000000>;