diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index 05dcd84465380..f1a1a5b89ce6b 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -432,6 +432,30 @@ config PMP_STACK_GUARD_MIN_SIZE
 	  wiggle room to accommodate the eventual overflow exception
 	  stack usage.
 
+config ROM_REGION_START
+	string "Start address or linker symbol of the ROM region"
+	depends on RISCV_PMP
+	default "__rom_region_start"
+	help
+	  The linker symbol or hexadecimal address that defines the start of the
+	  ROM region.
+	  This configuration is used to calculate the physical memory
+	  protection (PMP) region entry. The value is resolved at compile time.
+	  To override the linker's default, set this to a hexadecimal string,
+	  such as "0x80000000".
+
+config ROM_REGION_SIZE
+	string "Size or linker symbol of the ROM region"
+	depends on RISCV_PMP
+	default "__rom_region_size"
+	help
+	  The linker symbol or hexadecimal size that defines the overall byte
+	  length of the ROM region.
+	  This configuration is used to calculate the physical memory
+	  protection (PMP) region size. The value is resolved at compile time.
+	  To manually override the linker's default size, set this to a
+	  hexadecimal string, such as "0x100000".
+
 # Implement the null pointer detection using the Physical Memory Protection
 # (PMP) Unit.
 config NULL_POINTER_EXCEPTION_DETECTION_PMP
diff --git a/arch/riscv/core/pmp.c b/arch/riscv/core/pmp.c
index ca5e5a49d5a74..6d589a6fcc168 100644
--- a/arch/riscv/core/pmp.c
+++ b/arch/riscv/core/pmp.c
@@ -32,6 +32,8 @@
 #include <zephyr/arch/arch_interface.h>
 #include <zephyr/arch/riscv/csr.h>
 
+#include <stdlib.h>
+
 #define LOG_LEVEL CONFIG_MPU_LOG_LEVEL
 #include <zephyr/logging/log.h>
 LOG_MODULE_REGISTER(mpu);
@@ -56,6 +58,14 @@ LOG_MODULE_REGISTER(mpu);
 
 #define PMP_NONE 0
 
+#define ADDRESS_RESOLVER(config_value)                                                             \
+	(strcmp(config_value, "__rom_region_start") == 0) ? (uintptr_t)__rom_region_start          \
+	: (strcmp(config_value, "__rom_region_size") == 0)                                         \
+		? (uintptr_t)__rom_region_size                                                     \
+		: ((config_value[0] == '0' && (config_value[1] == 'x' || config_value[1] == 'X'))  \
+			   ? (uintptr_t)strtoul(config_value, NULL, 16)                            \
+			   : 0)
+
 static void print_pmp_entries(unsigned int pmp_start, unsigned int pmp_end,
 			      unsigned long *pmp_addr, unsigned long *pmp_cfg,
 			      const char *banner)
@@ -355,10 +365,9 @@ void z_riscv_pmp_init(void)
 	unsigned int index = 0;
 
 	/* The read-only area is always there for every mode */
-	set_pmp_entry(&index, PMP_R | PMP_X | PMP_L,
-		      (uintptr_t)__rom_region_start,
-		      (size_t)__rom_region_size,
-		      pmp_addr, pmp_cfg, ARRAY_SIZE(pmp_addr));
+	set_pmp_entry(&index, PMP_R | PMP_X | PMP_L, ADDRESS_RESOLVER(CONFIG_ROM_REGION_START),
+		      ADDRESS_RESOLVER(CONFIG_ROM_REGION_SIZE), pmp_addr, pmp_cfg,
+		      ARRAY_SIZE(pmp_addr));
 
 #ifdef CONFIG_NULL_POINTER_EXCEPTION_DETECTION_PMP
 	/*