dts: esp32: enhance memory regions description

wmrsouza · kartben · commit 98277c98894e · 2024-12-07T11:02:46.000+01:00
Add regions to .dtsi files to better describe SoCs memory

Signed-off-by: Marcio Ribeiro &lt;marcio.ribeiro@espressif.com&gt;
diff --git a/dts/riscv/espressif/esp32c2/esp32c2_common.dtsi b/dts/riscv/espressif/esp32c2/esp32c2_common.dtsi
@@ -56,9 +56,16 @@
 		compatible = "simple-bus";
 		ranges;
 
-		sram0: memory@3fc7c000 {
-			compatible = "mmio-sram";
-			reg = <0x3fc7c000 0x50000>;
+		sram0: memory@40370000 {
+			compatible = "zephyr,memory-region", "mmio-sram";
+			reg = <0x40370000 DT_SIZE_K(16)>;
+			zephyr,memory-region = "SRAM0";
+		};
+
+		sram1: memory@3fca0000 {
+			compatible = "zephyr,memory-region", "mmio-sram";
+			reg = <0x3fca0000 DT_SIZE_K(256)>;
+			zephyr,memory-region = "SRAM1";
 		};
 
 		intc: interrupt-controller@600c2000 {
diff --git a/dts/riscv/espressif/esp32c3/esp32c3_common.dtsi b/dts/riscv/espressif/esp32c3/esp32c3_common.dtsi
@@ -80,9 +80,16 @@
 		compatible = "simple-bus";
 		ranges;
 
-		sram0: memory@3fc7c000 {
-			compatible = "mmio-sram";
-			reg = <0x3fc7c000 0x50000>;
+		sram0: memory@40370000 {
+			compatible = "zephyr,memory-region", "mmio-sram";
+			reg = <0x40370000 DT_SIZE_K(16)>;
+			zephyr,memory-region = "SRAM0";
+		};
+
+		sram1: memory@3fc80000 {
+			compatible = "zephyr,memory-region", "mmio-sram";
+			reg = <0x3fc80000 DT_SIZE_K(384)>;
+			zephyr,memory-region = "SRAM1";
 		};
 
 		intc: interrupt-controller@600c2000 {
diff --git a/dts/riscv/espressif/esp32c6/esp32c6_common.dtsi b/dts/riscv/espressif/esp32c6/esp32c6_common.dtsi
@@ -67,9 +67,16 @@
 		compatible = "simple-bus";
 		ranges;
 
-		sram0: memory@40800000 {
-			compatible = "mmio-sram";
-			reg = <0x40800000 0x50000>;
+		sramhp: memory@40800000 {
+			compatible = "zephyr,memory-region", "mmio-sram";
+			reg = <0x40800000 DT_SIZE_K(512)>;
+			zephyr,memory-region = "SRAMHP";
+		};
+
+		sramlp: memory@50000000 {
+			compatible = "zephyr,memory-region", "mmio-sram";
+			reg = <0x50000000 DT_SIZE_K(16)>;
+			zephyr,memory-region = "SRAMLP ";
 		};
 
 		intc: interrupt-controller@60010000 {
diff --git a/dts/xtensa/espressif/esp32/esp32_common.dtsi b/dts/xtensa/espressif/esp32/esp32_common.dtsi
@@ -94,9 +94,22 @@
 	};
 
 	soc {
-		sram0: memory@3ffb0000 {
-			compatible = "mmio-sram";
-			reg = <0x3FFB0000 0x2c200>;
+		sram0: memory@40070000 {
+			compatible = "zephyr,memory-region", "mmio-sram";
+			reg = <0x40070000 DT_SIZE_K(192)>;
+			zephyr,memory-region = "SRAM0";
+		};
+
+		sram1: memory@3ffe0000 {
+			compatible = "zephyr,memory-region", "mmio-sram";
+			reg = <0x3ffe0000 DT_SIZE_K(128)>;
+			zephyr,memory-region = "SRAM1";
+		};
+
+		sram2: memory@3ffae000 {
+			compatible = "zephyr,memory-region", "mmio-sram";
+			reg = <0x3ffae000 DT_SIZE_K(200)>;
+			zephyr,memory-region = "SRAM2";
 		};
 
 		ipmmem0: memory@3ffe5230 {
diff --git a/dts/xtensa/espressif/esp32s2/esp32s2_common.dtsi b/dts/xtensa/espressif/esp32s2/esp32s2_common.dtsi
@@ -80,8 +80,15 @@
 		ranges;
 
 		sram0: memory@3ffb0000 {
-			compatible = "mmio-sram";
-			reg = <0x3ffb0000 0x50000>;
+			compatible = "zephyr,memory-region", "mmio-sram";
+			reg = <0x3ffb0000 DT_SIZE_K(32)>;
+			zephyr,memory-region = "SRAM0";
+		};
+
+		sram1: memory@3ffb8000 {
+			compatible = "zephyr,memory-region", "mmio-sram";
+			reg = <0x3ffb8000 DT_SIZE_K(288)>;
+			zephyr,memory-region = "SRAM1";
 		};
 
 		intc: interrupt-controller@3f4c2000 {
diff --git a/dts/xtensa/espressif/esp32s3/esp32s3_appcpu.dtsi b/dts/xtensa/espressif/esp32s3/esp32s3_appcpu.dtsi
@@ -6,7 +6,7 @@
 
 #include "esp32s3_common.dtsi"
 
-&sram0 {
-	reg = <0x3fc88000 DT_SIZE_K(10)>;
+&sram1 {
+	reg = <0x3fc88000 DT_SIZE_K(416)>;
 	status = "okay";
 };
diff --git a/dts/xtensa/espressif/esp32s3/esp32s3_common.dtsi b/dts/xtensa/espressif/esp32s3/esp32s3_common.dtsi
@@ -86,9 +86,22 @@
 		compatible = "simple-bus";
 		ranges;
 
-		sram0: memory@3fc88000 {
-			compatible = "mmio-sram";
-			reg = <0x3fc88000 0x77FFF>;
+		sram0: memory@40370000 {
+			compatible = "zephyr,memory-region", "mmio-sram";
+			reg = <0x40370000 DT_SIZE_K(32)>;
+			zephyr,memory-region = "SRAM0";
+		};
+
+		sram1: memory@3fc88000 {
+			compatible = "zephyr,memory-region", "mmio-sram";
+			reg = <0x3fc88000 DT_SIZE_K(416)>;
+			zephyr,memory-region = "SRAM1";
+		};
+
+		sram2: memory@3fcf0000 {
+			compatible = "zephyr,memory-region", "mmio-sram";
+			reg = <0x3fcf0000 DT_SIZE_K(64)>;
+			zephyr,memory-region = "SRAM2";
 		};
 
 		ipmmem0: memory@3fcb2000 {
