On 20/03/2023 17:58, Lorenzo Bianconi wrote:
Since the ilm memory region is not part of the RAM SoC, move ilm in a
deidicated syscon node.
This patch helps to keep backward-compatibility with older version of
uboot codebase where we have a limit of 8 reserved-memory dts child
nodes.
Signed-off-by: Lorenzo Bianconi <lorenzo@xxxxxxxxxx>
Acked-by: Matthias Brugger <matthias.bgg@xxxxxxxxx>
---
arch/arm64/boot/dts/mediatek/mt7986a.dtsi | 34 +++++++++++------------
1 file changed, 16 insertions(+), 18 deletions(-)
diff --git a/arch/arm64/boot/dts/mediatek/mt7986a.dtsi b/arch/arm64/boot/dts/mediatek/mt7986a.dtsi
index 668b6cfa6a3d..a0d96d232ee5 100644
--- a/arch/arm64/boot/dts/mediatek/mt7986a.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt7986a.dtsi
@@ -89,16 +89,6 @@ wo_emi1: wo-emi@4fd40000 {
no-map;
};
- wo_ilm0: wo-ilm@151e0000 {
- reg = <0 0x151e0000 0 0x8000>;
- no-map;
- };
-
- wo_ilm1: wo-ilm@151f0000 {
- reg = <0 0x151f0000 0 0x8000>;
- no-map;
- };
-
wo_data: wo-data@4fd80000 {
reg = <0 0x4fd80000 0 0x240000>;
no-map;
@@ -454,11 +444,10 @@ wed0: wed@15010000 {
reg = <0 0x15010000 0 0x1000>;
interrupt-parent = <&gic>;
interrupts = <GIC_SPI 205 IRQ_TYPE_LEVEL_HIGH>;
- memory-region = <&wo_emi0>, <&wo_ilm0>, <&wo_dlm0>,
- <&wo_data>;
- memory-region-names = "wo-emi", "wo-ilm", "wo-dlm",
- "wo-data";
+ memory-region = <&wo_emi0>, <&wo_dlm0>, <&wo_data>;
+ memory-region-names = "wo-emi", "wo-dlm", "wo-data";
mediatek,wo-ccif = <&wo_ccif0>;
+ mediatek,wo-ilm = <&wo_ilm0>;
mediatek,wo-cpuboot = <&wo_cpuboot>;
};
@@ -468,11 +457,10 @@ wed1: wed@15011000 {
reg = <0 0x15011000 0 0x1000>;
interrupt-parent = <&gic>;
interrupts = <GIC_SPI 206 IRQ_TYPE_LEVEL_HIGH>;
- memory-region = <&wo_emi1>, <&wo_ilm1>, <&wo_dlm1>,
- <&wo_data>;
- memory-region-names = "wo-emi", "wo-ilm", "wo-dlm",
- "wo-data";
+ memory-region = <&wo_emi1>, <&wo_dlm1>, <&wo_data>;
+ memory-region-names = "wo-emi", "wo-dlm", "wo-data";
mediatek,wo-ccif = <&wo_ccif1>;
+ mediatek,wo-ilm = <&wo_ilm1>;
mediatek,wo-cpuboot = <&wo_cpuboot>;
};
@@ -490,6 +478,16 @@ wo_ccif1: syscon@151ad000 {
interrupts = <GIC_SPI 212 IRQ_TYPE_LEVEL_HIGH>;
};
+ wo_ilm0: syscon@151e0000 {
+ compatible = "mediatek,mt7986-wo-ilm", "syscon";
+ reg = <0 0x151e0000 0 0x8000>;
+ };
+
+ wo_ilm1: syscon@151f0000 {
+ compatible = "mediatek,mt7986-wo-ilm", "syscon";
+ reg = <0 0x151f0000 0 0x8000>;
+ };
+
wo_cpuboot: syscon@15194000 {
compatible = "mediatek,mt7986-wo-cpuboot", "syscon";
reg = <0 0x15194000 0 0x1000>;
