soc: arm: st_stm32: stm32h7

add non-cached MPU region section by alias instead of label

Signed-off-by: Alexander Kozhinov <[email protected]>

Author: Alexander Kozhinov

soc/arm/st_stm32/stm32h7/mpu_regions.c

@@ -12,13 +12,13 @@ static const struct arm_mpu_region mpu_regions[] = {
 					 REGION_FLASH_ATTR(REGION_FLASH_SIZE)),
 	MPU_REGION_ENTRY("SRAM", CONFIG_SRAM_BASE_ADDRESS,
 					 REGION_RAM_ATTR(REGION_SRAM_SIZE)),
-#if DT_NODE_HAS_STATUS(DT_NODELABEL(sram3), okay) && \
+#if DT_NODE_HAS_STATUS(DT_ALIAS(sramnocache), okay) && \
 		DT_NODE_HAS_STATUS(DT_NODELABEL(mac), okay)
-	MPU_REGION_ENTRY("SRAM3_ETH_BUF",
-					 DT_REG_ADDR(DT_NODELABEL(sram3)),
+	MPU_REGION_ENTRY("SRAM_NO_CACHE_ETH_BUF",
+					 DT_REG_ADDR(DT_ALIAS(sramnocache)),
 					 REGION_RAM_NOCACHE_ATTR(REGION_16K)),
-	MPU_REGION_ENTRY("SRAM3_ETH_DESC",
-					 DT_REG_ADDR(DT_NODELABEL(sram3)),
+	MPU_REGION_ENTRY("SRAM_NO_CACHE_ETH_DESC",
+					 DT_REG_ADDR(DT_ALIAS(sramnocache)),
 					 REGION_PPB_ATTR(REGION_256B)),
 #endif
 };

soc/arm/st_stm32/stm32h7/sections.ld

@@ -4,15 +4,15 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-#if DT_NODE_HAS_STATUS(DT_NODELABEL(sram3), okay) && DT_NODE_HAS_STATUS(DT_NODELABEL(mac), okay)
+#if DT_NODE_HAS_STATUS(DT_ALIAS(sramnocache), okay) && DT_NODE_HAS_STATUS(DT_NODELABEL(mac), okay)
 
 SECTION_DATA_PROLOGUE(eth_stm32,(NOLOAD),)
 {
-    . = ABSOLUTE(DT_REG_ADDR(DT_NODELABEL(sram3)));
+    . = ABSOLUTE(DT_REG_ADDR(DT_ALIAS(sramnocache)));
     *(.eth_stm32_desc)
-    . = ABSOLUTE(DT_REG_ADDR(DT_NODELABEL(sram3))) + 256;
+    . = ABSOLUTE(DT_REG_ADDR(DT_ALIAS(sramnocache))) + 256;
     *(.eth_stm32_buf)
-    . = ABSOLUTE(DT_REG_ADDR(DT_NODELABEL(sram3))) + 16K;
-} GROUP_DATA_LINK_IN(SRAM3, SRAM3)
+    . = ABSOLUTE(DT_REG_ADDR(DT_ALIAS(sramnocache))) + 16K;
+} GROUP_DATA_LINK_IN(sramnocache, sramnocache)
 
 #endif