From: Geert Uytterhoeven <geert+rene...@glider.be>
This patch adds Cortex-A53 CPU cores to r8a7795 SoC for a total of 8
cores (4 x Cortex-A57 + 4 x Cortex-A53).
Based on work by Takeshi Kihara and Dirk Behme.
Signed-off-by: Geert Uytterhoeven <geert+rene...@glider.be>
Signed-off-by: Simon Horman <horms+rene...@verge.net.au>
---
arch/arm64/boot/dts/renesas/r8a7795.dtsi | 46 ++++++++++++++++++++++++++++----
1 file changed, 41 insertions(+), 5 deletions(-)
diff --git a/arch/arm64/boot/dts/renesas/r8a7795.dtsi
b/arch/arm64/boot/dts/renesas/r8a7795.dtsi
index 382a8987bca9..61830697e33c 100644
--- a/arch/arm64/boot/dts/renesas/r8a7795.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a7795.dtsi
@@ -73,6 +73,42 @@
enable-method = "psci";
};
+ a53_0: cpu@100 {
+ compatible = "arm,cortex-a53", "arm,armv8";
+ reg = <0x100>;
+ device_type = "cpu";
+ power-domains = <&sysc R8A7795_PD_CA53_CPU0>;
+ next-level-cache = <&L2_CA53>;
+ enable-method = "psci";
+ };
+
+ a53_1: cpu@101 {
+ compatible = "arm,cortex-a53","arm,armv8";
+ reg = <0x101>;
+ device_type = "cpu";
+ power-domains = <&sysc R8A7795_PD_CA53_CPU1>;
+ next-level-cache = <&L2_CA53>;
+ enable-method = "psci";
+ };
+
+ a53_2: cpu@102 {
+ compatible = "arm,cortex-a53","arm,armv8";
+ reg = <0x102>;
+ device_type = "cpu";
+ power-domains = <&sysc R8A7795_PD_CA53_CPU2>;
+ next-level-cache = <&L2_CA53>;
+ enable-method = "psci";
+ };
+
+ a53_3: cpu@103 {
+ compatible = "arm,cortex-a53","arm,armv8";
+ reg = <0x103>;
+ device_type = "cpu";
+ power-domains = <&sysc R8A7795_PD_CA53_CPU3>;
+ next-level-cache = <&L2_CA53>;
+ enable-method = "psci";
+ };
+
L2_CA57: cache-controller@0 {
compatible = "cache";
reg = <0>;
@@ -166,7 +202,7 @@
<0x0 0xf1040000 0 0x20000>,
<0x0 0xf1060000 0 0x20000>;
interrupts = <GIC_PPI 9
- (GIC_CPU_MASK_SIMPLE(4) |
IRQ_TYPE_LEVEL_HIGH)>;
+ (GIC_CPU_MASK_SIMPLE(8) |
IRQ_TYPE_LEVEL_HIGH)>;
clocks = <&cpg CPG_MOD 408>;
clock-names = "clk";
power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
@@ -307,13 +343,13 @@
timer {
compatible = "arm,armv8-timer";
interrupts = <GIC_PPI 13
- (GIC_CPU_MASK_SIMPLE(4) |
IRQ_TYPE_LEVEL_LOW)>,
+ (GIC_CPU_MASK_SIMPLE(8) |
IRQ_TYPE_LEVEL_LOW)>,
<GIC_PPI 14
- (GIC_CPU_MASK_SIMPLE(4) |
IRQ_TYPE_LEVEL_LOW)>,
+ (GIC_CPU_MASK_SIMPLE(8) |
IRQ_TYPE_LEVEL_LOW)>,
<GIC_PPI 11
- (GIC_CPU_MASK_SIMPLE(4) |
IRQ_TYPE_LEVEL_LOW)>,
+ (GIC_CPU_MASK_SIMPLE(8) |
IRQ_TYPE_LEVEL_LOW)>,
<GIC_PPI 10
- (GIC_CPU_MASK_SIMPLE(4) |
IRQ_TYPE_LEVEL_LOW)>;
+ (GIC_CPU_MASK_SIMPLE(8) |
IRQ_TYPE_LEVEL_LOW)>;
};
cpg: clock-controller@e6150000 {
--
2.7.0.rc3.207.g0ac5344
