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[PATCH/RFC,4/6] ARM: dts: r8a73a4: Add Media RAM for SMP jump stub

Message ID 20210204135409.1652604-5-geert+renesas@glider.be (mailing list archive)
State RFC
Delegated to: Geert Uytterhoeven
Headers show
Series ARM: r8a73a4: Add SMP support | expand

Commit Message

Geert Uytterhoeven Feb. 4, 2021, 1:54 p.m. UTC
R-Mobile APE6 has 2 MiB of Media RAM.
Reserve 256 bytes for the jump stub for CPU core bringup.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
---
 arch/arm/boot/dts/r8a73a4.dtsi | 13 +++++++++++++
 1 file changed, 13 insertions(+)
diff mbox series

Patch

diff --git a/arch/arm/boot/dts/r8a73a4.dtsi b/arch/arm/boot/dts/r8a73a4.dtsi
index d498f848d34ab6ed..9abf5e9bb240f0a2 100644
--- a/arch/arm/boot/dts/r8a73a4.dtsi
+++ b/arch/arm/boot/dts/r8a73a4.dtsi
@@ -479,6 +479,19 @@  scifb3: serial@e6cf0000 {
 		status = "disabled";
 	};
 
+	meram: sram@e8080000 {
+		compatible = "mmio-sram";
+		reg = <0 0xe8080000 0 0x200000>;
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges = <0 0 0xe8080000 0x200000>;
+
+		smp-sram@0 {
+			compatible = "renesas,smp-sram";
+			reg = <0 0x100>;
+		};
+	};
+
 	sdhi0: mmc@ee100000 {
 		compatible = "renesas,sdhi-r8a73a4";
 		reg = <0 0xee100000 0 0x100>;