soc: xtensa: esp32: increase shared memory region

for esp32 and esp32_net because the default 2048
bytes are not sufficient for rpmsg usage.

Signed-off-by: Felipe Neves <[email protected]>

Author: uLipe

dts/xtensa/espressif/esp32.dtsi

@@ -75,7 +75,7 @@
 
 		shm0: memory@3ffe5630 {
 			compatible = "mmio-sram";
-			reg = <0x3FFE5630 0x400>;
+			reg = <0x3FFE5630 0x3C00>;
 		};
 
 		intc: interrupt-controller@3ff00104 {
@@ -118,9 +118,9 @@
 			};
 		};
 
-		ipm0: ipm@3ffe5a30 {
+		ipm0: ipm@3ffed238 {
 			compatible = "espressif,esp32-ipm";
-			reg = <0x3FFE5A30 0x8>;
+			reg = <0x3FFED238 0x8>;
 			status = "disabled";
 			shared-memory = <&ipmmem0>;
 			shared-memory-size = <0x400>;

soc/xtensa/esp32/linker.ld

@@ -75,9 +75,9 @@ MEMORY
   dram0_0_seg(RW): org = 0x3FFB0000 + CONFIG_ESP32_BT_RESERVE_DRAM, len = 0x2c200 - CONFIG_ESP32_BT_RESERVE_DRAM
 
   #ifdef CONFIG_ESP32_NETWORK_CORE
-  dram0_shm0_seg(RW): org = 0x3FFE5230, len = 2K /* shared RAM reserved for IPM */
-  dram0_sem0_seg(RW): org = 0x3FFE5A30, len = 8 /* shared data reserved for IPM data header */
-  dram0_1_seg(RW): org = 0x3FFE5A38, len = 0K /* for AMP builds dram0_1 is reserved for network core */
+  dram0_shm0_seg(RW): org = 0x3FFE5230, len = 16K /* shared RAM reserved for IPM */
+  dram0_sem0_seg(RW): org = 0x3FFED238, len = 8 /* shared data reserved for IPM data header */
+  dram0_1_seg(RW): org = 0x3FFE9238, len = 0K /* for AMP builds dram0_1 is reserved for network core */
   #else
   dram0_1_seg(RW): org = 0x3FFE5230, len = 0x1BCB0 - 0xEE0 /* skip data for APP CPU initialization usage */
   #endif

soc/xtensa/esp32_net/linker.ld

@@ -29,9 +29,9 @@
 MEMORY
 {
   iram0_0_seg(RX): org = 0x40080000 + 0x08000, len = 0x18000
-  dram0_shm0_seg(RW): org = 0x3FFE5230, len = 2K /* shared RAM reserved for IPM */
-  dram0_sem0_seg(RW): org = 0x3FFE5A30, len = 8 /*shared data reserved for IPM data header */
-  dram0_1_seg(RW): org = 0x3FFE5A38 + CONFIG_ESP32_BT_RESERVE_DRAM, len = 0x1BCB0 - 0xEE0 - CONFIG_ESP32_BT_RESERVE_DRAM
+  dram0_shm0_seg(RW): org = 0x3FFE5230, len = 16K /* shared RAM reserved for IPM */
+  dram0_sem0_seg(RW): org = 0x3FFED238, len = 8 /*shared data reserved for IPM data header */
+  dram0_1_seg(RW): org = 0x3FFE9238 + CONFIG_ESP32_BT_RESERVE_DRAM, len = 0x17CB0 - 0xEE0 - CONFIG_ESP32_BT_RESERVE_DRAM
 #ifdef CONFIG_GEN_ISR_TABLES
   IDT_LIST(RW): org = 0x3ebfe010, len = 0x2000
 #endif