soc: arm: stm32: Updated SRAM Region Definitions

This updates the SRAM region definition for stm32

Signed-off-by: Habib Zaid <[email protected]>

Author: Hobbs1210

soc/arm/st_stm32/common/arm_mpu_mem_cfg.h

@@ -38,25 +38,19 @@
 #define REGION_SRAM_1_START 0x4000
 #define REGION_SRAM_1_SIZE REGION_4K
 #elif CONFIG_SRAM_SIZE == 32
-#define REGION_SRAM_0_SIZE REGION_16K
-#define REGION_SRAM_1_START 0x4000
-#define REGION_SRAM_1_SIZE REGION_16K
+#define REGION_SRAM_0_SIZE REGION_32K
 #elif CONFIG_SRAM_SIZE == 40
 #define REGION_SRAM_0_SIZE REGION_32K
 #define REGION_SRAM_1_START 0x8000
 #define REGION_SRAM_1_SIZE REGION_8K
 #elif CONFIG_SRAM_SIZE == 64
-#define REGION_SRAM_0_SIZE REGION_32K
-#define REGION_SRAM_1_START 0x8000
-#define REGION_SRAM_1_SIZE REGION_32K
+#define REGION_SRAM_0_SIZE REGION_64K
 #elif CONFIG_SRAM_SIZE == 96
 #define REGION_SRAM_0_SIZE REGION_64K
 #define REGION_SRAM_1_START 0x10000
 #define REGION_SRAM_1_SIZE REGION_32K
 #elif CONFIG_SRAM_SIZE == 128
-#define REGION_SRAM_0_SIZE REGION_64K
-#define REGION_SRAM_1_START 0x10000
-#define REGION_SRAM_1_SIZE REGION_64K
+#define REGION_SRAM_0_SIZE REGION_128K
 #elif CONFIG_SRAM_SIZE == 160
 #define REGION_SRAM_0_SIZE REGION_128K
 #define REGION_SRAM_1_START 0x20000
@@ -66,9 +60,7 @@
 #define REGION_SRAM_1_START 0x20000
 #define REGION_SRAM_1_SIZE REGION_64K
 #elif CONFIG_SRAM_SIZE == 256
-#define REGION_SRAM_0_SIZE REGION_128K
-#define REGION_SRAM_1_START 0x20000
-#define REGION_SRAM_1_SIZE REGION_128K
+#define REGION_SRAM_0_SIZE REGION_256K
 #elif CONFIG_SRAM_SIZE == 320
 #define REGION_SRAM_0_SIZE REGION_256K
 #define REGION_SRAM_1_START 0x40000
@@ -77,6 +69,8 @@
 #define REGION_SRAM_0_SIZE REGION_256K
 #define REGION_SRAM_1_START 0x40000
 #define REGION_SRAM_1_SIZE REGION_128K
+#elif CONFIG_SRAM_SIZE == 512
+#define REGION_SRAM_0_SIZE REGION_512K
 #elif CONFIG_SRAM_SIZE == 640
 #define REGION_SRAM_0_SIZE REGION_512K
 #define REGION_SRAM_1_START 0x80000

soc/arm/st_stm32/common/arm_mpu_regions.c

@@ -22,9 +22,11 @@ static const struct arm_mpu_region mpu_regions[] = {
 			 CONFIG_SRAM_BASE_ADDRESS,
 			 REGION_RAM_ATTR(REGION_SRAM_0_SIZE)),
 	/* Region 2 */
+#ifdef REGION_SRAM_1_SIZE
 	MPU_REGION_ENTRY("RAM_1",
 			 (CONFIG_SRAM_BASE_ADDRESS + REGION_SRAM_1_START),
 			 REGION_RAM_ATTR(REGION_SRAM_1_SIZE)),
+#endif
 };
 
 const struct arm_mpu_config mpu_config = {