diff --git a/drivers/renesas/rzg/board/board.c b/drivers/renesas/rzg/board/board.c
index 5c99ba9..60e6380 100644
--- a/drivers/renesas/rzg/board/board.c
+++ b/drivers/renesas/rzg/board/board.c
@@ -15,6 +15,8 @@
 #ifndef BOARD_DEFAULT
 #if (RCAR_LSI == RZ_G2H)
 #define BOARD_DEFAULT		(BOARD_HIHOPE_RZ_G2H << BOARD_CODE_SHIFT)
+#elif (RCAR_LSI == RZ_G2N)
+#define BOARD_DEFAULT		(BOARD_HIHOPE_RZ_G2N << BOARD_CODE_SHIFT)
 #else
 #define BOARD_DEFAULT		(BOARD_HIHOPE_RZ_G2M << BOARD_CODE_SHIFT)
 #endif /* RCAR_LSI == RZ_G2H */
@@ -32,10 +34,12 @@
 
 #define HM_ID	{ 0x10U, 0xFFU, 0xFFU, 0xFFU, 0xFFU, 0xFFU, 0xFFU, 0xFFU }
 #define HH_ID	HM_ID
+#define HN_ID	{ 0x20U, 0xFFU, 0xFFU, 0xFFU, 0xFFU, 0xFFU, 0xFFU, 0xFFU }
 
 const char *g_board_tbl[] = {
 	[BOARD_HIHOPE_RZ_G2M] = "HiHope RZ/G2M",
 	[BOARD_HIHOPE_RZ_G2H] = "HiHope RZ/G2H",
+	[BOARD_HIHOPE_RZ_G2N] = "HiHope RZ/G2N",
 	[BOARD_UNKNOWN] = "unknown"
 };
 
@@ -45,6 +49,7 @@
 	const uint8_t board_tbl[][8] = {
 		[BOARD_HIHOPE_RZ_G2M] = HM_ID,
 		[BOARD_HIHOPE_RZ_G2H] = HH_ID,
+		[BOARD_HIHOPE_RZ_G2N] = HN_ID,
 	};
 	uint32_t reg, boardInfo;
 
@@ -65,8 +70,12 @@
 		*rev = board_tbl[*type][(uint8_t)(board_id & BOARD_REV_MASK)];
 	} else {
 		reg = mmio_read_32(GPIO_INDT5);
-		boardInfo = reg & (GP5_19_BIT | GP5_21_BIT);
-		*rev = (((boardInfo & GP5_19_BIT) >> 14) |
-			((boardInfo & GP5_21_BIT) >> 17)) + 0x30U;
+		if (reg & GP5_25_BIT) {
+			*rev = board_tbl[*type][(uint8_t)(board_id & BOARD_REV_MASK)];
+		} else {
+			boardInfo = reg & (GP5_19_BIT | GP5_21_BIT);
+			*rev = (((boardInfo & GP5_19_BIT) >> 14) |
+				((boardInfo & GP5_21_BIT) >> 17)) + 0x30U;
+		}
 	}
 }
diff --git a/drivers/renesas/rzg/board/board.h b/drivers/renesas/rzg/board/board.h
index 9a3fc1f..7165d45 100644
--- a/drivers/renesas/rzg/board/board.h
+++ b/drivers/renesas/rzg/board/board.h
@@ -10,6 +10,7 @@
 enum rzg2_board_id {
 	BOARD_HIHOPE_RZ_G2M = 0,
 	BOARD_HIHOPE_RZ_G2H,
+	BOARD_HIHOPE_RZ_G2N,
 	BOARD_UNKNOWN
 };
 
diff --git a/plat/renesas/common/bl2_cpg_init.c b/plat/renesas/common/bl2_cpg_init.c
index bd82308..0c2fe88 100644
--- a/plat/renesas/common/bl2_cpg_init.c
+++ b/plat/renesas/common/bl2_cpg_init.c
@@ -24,7 +24,7 @@
 static void bl2_system_cpg_init_m3(void);
 #endif
 
-#if (RCAR_LSI == RCAR_AUTO) || (RCAR_LSI == RCAR_M3N)
+#if (RCAR_LSI == RCAR_AUTO) || (RCAR_LSI == RCAR_M3N) || (RCAR_LSI == RZ_G2N)
 static void bl2_realtime_cpg_init_m3n(void);
 static void bl2_system_cpg_init_m3n(void);
 #endif
@@ -187,7 +187,7 @@
 }
 #endif
 
-#if (RCAR_LSI == RCAR_AUTO) || (RCAR_LSI == RCAR_M3N)
+#if (RCAR_LSI == RCAR_AUTO) || (RCAR_LSI == RCAR_M3N)  || (RCAR_LSI == RZ_G2N)
 static void bl2_realtime_cpg_init_m3n(void)
 {
 	/* Realtime Module Stop Control Registers */
@@ -366,7 +366,7 @@
 		bl2_realtime_cpg_init_h3();
 #elif (RCAR_LSI == RCAR_M3) || (RCAR_LSI == RZ_G2M)
 		bl2_realtime_cpg_init_m3();
-#elif RCAR_LSI == RCAR_M3N
+#elif RCAR_LSI == RCAR_M3N || (RCAR_LSI == RZ_G2N)
 		bl2_realtime_cpg_init_m3n();
 #elif RCAR_LSI == RCAR_V3M
 		bl2_realtime_cpg_init_v3m();
@@ -412,7 +412,7 @@
 	bl2_system_cpg_init_h3();
 #elif (RCAR_LSI == RCAR_M3) || (RCAR_LSI == RZ_G2M)
 	bl2_system_cpg_init_m3();
-#elif RCAR_LSI == RCAR_M3N
+#elif RCAR_LSI == RCAR_M3N  || (RCAR_LSI == RZ_G2N)
 	bl2_system_cpg_init_m3n();
 #elif RCAR_LSI == RCAR_V3M
 	bl2_system_cpg_init_v3m();
diff --git a/plat/renesas/rzg/bl2_plat_setup.c b/plat/renesas/rzg/bl2_plat_setup.c
index 520e86e..8851796 100644
--- a/plat/renesas/rzg/bl2_plat_setup.c
+++ b/plat/renesas/rzg/bl2_plat_setup.c
@@ -81,6 +81,9 @@
 #elif RCAR_LSI == RZ_G2H
 #define TARGET_PRODUCT			PRR_PRODUCT_H3
 #define TARGET_NAME			"RZ/G2H"
+#elif RCAR_LSI == RZ_G2N
+#define TARGET_PRODUCT			PRR_PRODUCT_M3N
+#define TARGET_NAME			"RZ/G2N"
 #elif RCAR_LSI == RCAR_AUTO
 #define TARGET_NAME			"RZ/G2M"
 #endif /* RCAR_LSI == RZ_G2M */
@@ -431,6 +434,10 @@
 		ret = fdt_setprop_string(dt, 0, "compatible",
 					 "hoperun,hihope-rzg2h");
 		break;
+	case BOARD_HIHOPE_RZ_G2N:
+		ret = fdt_setprop_string(dt, 0, "compatible",
+					 "hoperun,hihope-rzg2n");
+		break;
 	default:
 		NOTICE("BL2: Cannot set compatible string, board unsupported\n");
 		panic();
@@ -452,6 +459,10 @@
 		ret = fdt_appendprop_string(dt, 0, "compatible",
 					    "renesas,r8a774e1");
 		break;
+	case PRR_PRODUCT_M3N:
+		ret = fdt_appendprop_string(dt, 0, "compatible",
+					    "renesas,r8a774b1");
+		break;
 	default:
 		NOTICE("BL2: Cannot set compatible string, SoC unsupported\n");
 		panic();
@@ -591,6 +602,10 @@
 		dram_config[7] = 0x80000000ULL;
 #endif /* RCAR_DRAM_LPDDR4_MEMCONF == 0 */
 		break;
+	case PRR_PRODUCT_M3N:
+		/* 4GB(4GBx1) */
+		dram_config[1] = 0x100000000ULL;
+		break;
 	default:
 		NOTICE("BL2: Detected invalid DRAM entries\n");
 		break;
@@ -611,6 +626,7 @@
 	const char *cpu_ca53 = "CA53";
 	const char *product_g2h = "G2H";
 	const char *product_g2m = "G2M";
+	const char *product_g2n = "G2N";
 	const char *boot_hyper80 = "HyperFlash(80MHz)";
 	const char *boot_qspi40 = "QSPI Flash(40MHz)";
 	const char *boot_qspi80 = "QSPI Flash(80MHz)";
@@ -681,6 +697,9 @@
 	case PRR_PRODUCT_H3:
 		str = product_g2h;
 		break;
+	case PRR_PRODUCT_M3N:
+		str = product_g2n;
+		break;
 	default:
 		str = unknown;
 		break;
@@ -707,6 +726,7 @@
 	switch (type) {
 	case BOARD_HIHOPE_RZ_G2M:
 	case BOARD_HIHOPE_RZ_G2H:
+	case BOARD_HIHOPE_RZ_G2N:
 		break;
 	default:
 		type = BOARD_UNKNOWN;
diff --git a/plat/renesas/rzg/platform.mk b/plat/renesas/rzg/platform.mk
index 15767b9..3295694 100644
--- a/plat/renesas/rzg/platform.mk
+++ b/plat/renesas/rzg/platform.mk
@@ -47,6 +47,23 @@
       endif
       $(eval $(call add_define,RCAR_LSI_CUT))
     endif
+  else ifeq (${LSI},G2N)
+    RCAR_LSI:=${RZ_G2N}
+    ifndef LSI_CUT
+      # enable compatible function.
+      RCAR_LSI_CUT_COMPAT := 1
+      $(eval $(call add_define,RCAR_LSI_CUT_COMPAT))
+    else
+      # disable compatible function.
+      ifeq (${LSI_CUT},10)
+        RCAR_LSI_CUT:=0
+      else ifeq (${LSI_CUT},11)
+        RCAR_LSI_CUT:=1
+      else
+        $(error "Error: ${LSI_CUT} is not supported.")
+      endif
+      $(eval $(call add_define,RCAR_LSI_CUT))
+    endif
   else
     $(error "Error: ${LSI} is not supported.")
   endif