rcar_gen3: plat: Add R-Car V3M support

Add R-Car V3M support. This is based on the original
V3M support patch for Yocto v2.23.1 by Vladimir Barinov.

Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
Signed-off-by: Valentine Barshak <valentine.barshak@cogentembedded.com>
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
---
Marek: Update on top of mainline ATF/master
diff --git a/drivers/renesas/rcar/rom/rom_api.c b/drivers/renesas/rcar/rom/rom_api.c
index 6f448a5..c9f8f5f 100644
--- a/drivers/renesas/rcar/rom/rom_api.c
+++ b/drivers/renesas/rcar/rom/rom_api.c
@@ -19,8 +19,9 @@
 #define OLD_API_TABLE1	(0U)	/* H3 Ver.1.0/Ver.1.1 */
 #define OLD_API_TABLE2	(1U)	/* H3 Ver.2.0 */
 #define OLD_API_TABLE3	(2U)	/* M3 Ver.1.0 */
-#define NEW_API_TABLE	(3U)	/* H3 Ver.3.0, M3 Ver.1.1 or later, M3N, E3, D3 */
-#define API_TABLE_MAX	(4U)	/* table max */
+#define NEW_API_TABLE	(3U)	/* H3 Ver.3.0, M3 Ver.1.1 or later, M3N, E3, D3, V3M WS2.0 */
+#define NEW_API_TABLE2	(4U)	/* V3M WS1.0 */
+#define API_TABLE_MAX	(5U)	/* table max */
 				/* Later than H3 Ver.2.0 */
 
 static uint32_t get_table_index(void)
@@ -51,6 +52,14 @@
 			/* M3 Ver.1.1 or later */
 			index = NEW_API_TABLE;
 		break;
+	case RCAR_PRODUCT_V3M:
+		if (cut_ver == RCAR_CUT_VER10)
+			/* V3M WS1.0 */
+			index = NEW_API_TABLE2;
+		else
+			/* V3M WS2.0 or later */
+			index = NEW_API_TABLE;
+		break;
 	default:
 		index = NEW_API_TABLE;
 		break;
@@ -66,7 +75,8 @@
 		0xEB10DD64U,	/* H3 Ver.1.0/Ver.1.1 */
 		0xEB116ED4U,	/* H3 Ver.2.0 */
 		0xEB1102FCU,	/* M3 Ver.1.0 */
-		0xEB100180U	/* H3 Ver.3.0, M3 Ver.1.1 or later, M3N, E3, D3 */
+		0xEB100180U,	/* H3 Ver.3.0, M3 Ver.1.1 or later, M3N, E3, D3, V3M WS2.0 */
+		0xEB110128U,	/* V3M WS1.0 */
 	};
 	rom_secure_boot_api_f secure_boot;
 	uint32_t index;
@@ -83,7 +93,8 @@
 		0xEB10DFE0U,	/* H3 Ver.1.0/Ver.1.1 */
 		0xEB117150U,	/* H3 Ver.2.0 */
 		0xEB110578U,	/* M3 Ver.1.0 */
-		0xEB10018CU	/* H3 Ver.3.0, M3 Ver.1.1 or later, M3N, E3, D3 */
+		0xEB10018CU,	/* H3 Ver.3.0, M3 Ver.1.1 or later, M3N, E3, D3, V3M WS2.0 */
+		0xEB1103A4U,	/* V3M WS1.0 */
 	};
 	rom_get_lcs_api_f get_lcs;
 	uint32_t index;