diff --git a/drivers/staging/renesas/rcar/qos/E3/qos_init_e3_v10.c b/drivers/staging/renesas/rcar/qos/E3/qos_init_e3_v10.c
index 593fefb6249d5fc2e912eb4dd35b987709c3c168..db519121f890b8a8ed561cf33deea6f8fc0cb141 100644
--- a/drivers/staging/renesas/rcar/qos/E3/qos_init_e3_v10.c
+++ b/drivers/staging/renesas/rcar/qos/E3/qos_init_e3_v10.c
@@ -12,7 +12,7 @@
 #include "../qos_reg.h"
 #include "qos_init_e3_v10.h"
 
-#define	RCAR_QOS_VERSION		"rev.0.02"
+#define	RCAR_QOS_VERSION		"rev.0.05"
 
 #define QOSCTRL_EARLYR			(QOS_BASE1 + 0x0060U)
 #define QOSCTRL_FSS			(QOS_BASE1 + 0x0048U)
@@ -134,14 +134,6 @@ void qos_init_e3_v10(void)
 		}
 	}
 
-	/* 3DG bus Leaf setting */
-	io_write_32(GPU_ACT_GRD, 0x00001234U);
-	io_write_32(GPU_ACT0, 0x00000000U);
-	io_write_32(GPU_ACT1, 0x00000000U);
-	io_write_32(GPU_ACT2, 0x00000000U);
-	io_write_32(GPU_ACT3, 0x00000000U);
-	io_write_32(GPU_ACT_GRD, 0x00000000U);
-
 	/* RT bus Leaf setting */
 	io_write_32(RT_ACT0, 0x00000000U);
 	io_write_32(RT_ACT1, 0x00000000U);
diff --git a/drivers/staging/renesas/rcar/qos/E3/qos_init_e3_v10_mstat390.h b/drivers/staging/renesas/rcar/qos/E3/qos_init_e3_v10_mstat390.h
index cf376a28655e868a45cf593516e010ea608dcd98..d7f9d1486804a68e8e61fbbc7a9e2387da65d014 100644
--- a/drivers/staging/renesas/rcar/qos/E3/qos_init_e3_v10_mstat390.h
+++ b/drivers/staging/renesas/rcar/qos/E3/qos_init_e3_v10_mstat390.h
@@ -27,20 +27,20 @@ static uint64_t mstat_fix[] = {
 	/* 0x0098, */ 0x0000000000000000UL,
 	/* 0x00a0, */ 0x000C08380000FFFFUL,
 	/* 0x00a8, */ 0x000C04110000FFFFUL,
-	/* 0x00b0, */ 0x000C04110000FFFFUL,
+	/* 0x00b0, */ 0x000C04150000FFFFUL,
 	/* 0x00b8, */ 0x0000000000000000UL,
 	/* 0x00c0, */ 0x000C08380000FFFFUL,
 	/* 0x00c8, */ 0x000C04110000FFFFUL,
-	/* 0x00d0, */ 0x000C04110000FFFFUL,
+	/* 0x00d0, */ 0x000C04150000FFFFUL,
 	/* 0x00d8, */ 0x0000000000000000UL,
 	/* 0x00e0, */ 0x0000000000000000UL,
 	/* 0x00e8, */ 0x0000000000000000UL,
 	/* 0x00f0, */ 0x001018580000FFFFUL,
-	/* 0x00f8, */ 0x000C04400000FFFFUL,
+	/* 0x00f8, */ 0x000C084F0000FFFFUL,
 	/* 0x0100, */ 0x0000000000000000UL,
 	/* 0x0108, */ 0x0000000000000000UL,
 	/* 0x0110, */ 0x001008580000FFFFUL,
-	/* 0x0118, */ 0x000C19660000FFFFUL,
+	/* 0x0118, */ 0x000C21E40000FFFFUL,
 	/* 0x0120, */ 0x0000000000000000UL,
 	/* 0x0128, */ 0x0000000000000000UL,
 	/* 0x0130, */ 0x0000000000000000UL,
diff --git a/drivers/staging/renesas/rcar/qos/E3/qos_init_e3_v10_mstat780.h b/drivers/staging/renesas/rcar/qos/E3/qos_init_e3_v10_mstat780.h
index 002a664e74f850437ae729008b1f7a592eb4ac33..439cafed8aed26a8e5657908f2c30ba5b04a16ee 100644
--- a/drivers/staging/renesas/rcar/qos/E3/qos_init_e3_v10_mstat780.h
+++ b/drivers/staging/renesas/rcar/qos/E3/qos_init_e3_v10_mstat780.h
@@ -27,20 +27,20 @@ static uint64_t mstat_fix[] = {
 	/* 0x0098, */ 0x0000000000000000UL,
 	/* 0x00a0, */ 0x000C10700000FFFFUL,
 	/* 0x00a8, */ 0x000C08210000FFFFUL,
-	/* 0x00b0, */ 0x000C08210000FFFFUL,
+	/* 0x00b0, */ 0x000C082A0000FFFFUL,
 	/* 0x00b8, */ 0x0000000000000000UL,
 	/* 0x00c0, */ 0x000C10700000FFFFUL,
 	/* 0x00c8, */ 0x000C08210000FFFFUL,
-	/* 0x00d0, */ 0x000C08210000FFFFUL,
+	/* 0x00d0, */ 0x000C082A0000FFFFUL,
 	/* 0x00d8, */ 0x0000000000000000UL,
 	/* 0x00e0, */ 0x0000000000000000UL,
 	/* 0x00e8, */ 0x0000000000000000UL,
 	/* 0x00f0, */ 0x00102CAF0000FFFFUL,
-	/* 0x00f8, */ 0x000C087F0000FFFFUL,
+	/* 0x00f8, */ 0x000C0C9D0000FFFFUL,
 	/* 0x0100, */ 0x0000000000000000UL,
 	/* 0x0108, */ 0x0000000000000000UL,
 	/* 0x0110, */ 0x00100CAF0000FFFFUL,
-	/* 0x0118, */ 0x000C32CC0000FFFFUL,
+	/* 0x0118, */ 0x000C43C80000FFFFUL,
 	/* 0x0120, */ 0x0000000000000000UL,
 	/* 0x0128, */ 0x0000000000000000UL,
 	/* 0x0130, */ 0x0000000000000000UL,
diff --git a/drivers/staging/renesas/rcar/qos/H3/qos_init_h3_v20.c b/drivers/staging/renesas/rcar/qos/H3/qos_init_h3_v20.c
index f27a7dce6416dfeb176e49d25375e07f0544cb24..c4f8701cdf68b65dec152b7b5dcedcc31e60a1e6 100644
--- a/drivers/staging/renesas/rcar/qos/H3/qos_init_h3_v20.c
+++ b/drivers/staging/renesas/rcar/qos/H3/qos_init_h3_v20.c
@@ -12,7 +12,8 @@
 #include "../qos_reg.h"
 #include "qos_init_h3_v20.h"
 
-#define	RCAR_QOS_VERSION		"rev.0.19"
+
+#define	RCAR_QOS_VERSION		"rev.0.20"
 
 #define QOSWT_TIME_BANK0				(20000000U)	/* unit:ns */
 
diff --git a/drivers/staging/renesas/rcar/qos/H3/qos_init_h3_v30.c b/drivers/staging/renesas/rcar/qos/H3/qos_init_h3_v30.c
index b3e65df9402adbdaf9005d4a37df6e442087eb77..95f4810f624b9f475339e39068ec61acae317795 100644
--- a/drivers/staging/renesas/rcar/qos/H3/qos_init_h3_v30.c
+++ b/drivers/staging/renesas/rcar/qos/H3/qos_init_h3_v30.c
@@ -12,7 +12,8 @@
 #include "../qos_reg.h"
 #include "qos_init_h3_v30.h"
 
-#define	RCAR_QOS_VERSION		"rev.0.07"
+
+#define	RCAR_QOS_VERSION		"rev.0.10"
 
 #define QOSCTRL_FSS			(QOS_BASE1 + 0x0048U)
 
@@ -226,8 +227,6 @@ void qos_init_h3_v30(void)
 	io_write_32(AXI_TR3CR, 0x00010000U);
 	io_write_32(AXI_TR4CR, 0x00010000U);
 
-	/* 3DG bus Leaf setting */
-
 	/* RT bus Leaf setting */
 	io_write_32(RT_ACT0, 0x00000000U);
 	io_write_32(RT_ACT1, 0x00000000U);
diff --git a/drivers/staging/renesas/rcar/qos/H3/qos_init_h3_v30_mstat195.h b/drivers/staging/renesas/rcar/qos/H3/qos_init_h3_v30_mstat195.h
index daa4076e75b4aa86d838df2bdc95651bdb7168e0..28a240fe14e0b07e26154282bef3de835e2ef6f5 100644
--- a/drivers/staging/renesas/rcar/qos/H3/qos_init_h3_v30_mstat195.h
+++ b/drivers/staging/renesas/rcar/qos/H3/qos_init_h3_v30_mstat195.h
@@ -36,12 +36,12 @@ static uint64_t mstat_fix[] = {
 	/* 0x00e0, */ 0x00100C090000FFFFUL,
 	/* 0x00e8, */ 0x0000000000000000UL,
 	/* 0x00f0, */ 0x001024090000FFFFUL,
-	/* 0x00f8, */ 0x000C08080000FFFFUL,
+	/* 0x00f8, */ 0x000C100D0000FFFFUL,
 	/* 0x0100, */ 0x0000000000000000UL,
 	/* 0x0108, */ 0x0000000000000000UL,
 	/* 0x0110, */ 0x00100C090000FFFFUL,
-	/* 0x0118, */ 0x000C18180000FFFFUL,
-	/* 0x0120, */ 0x000C18180000FFFFUL,
+	/* 0x0118, */ 0x000C1C1B0000FFFFUL,
+	/* 0x0120, */ 0x000C1C1B0000FFFFUL,
 	/* 0x0128, */ 0x0000000000000000UL,
 	/* 0x0130, */ 0x0000000000000000UL,
 	/* 0x0138, */ 0x00100C0B0000FFFFUL,
diff --git a/drivers/staging/renesas/rcar/qos/H3/qos_init_h3_v30_mstat390.h b/drivers/staging/renesas/rcar/qos/H3/qos_init_h3_v30_mstat390.h
index f72165c164669cc820ccfceec284cc88c9ee20c0..def6585120965ae1643f856fcb5aa4db61f8049f 100644
--- a/drivers/staging/renesas/rcar/qos/H3/qos_init_h3_v30_mstat390.h
+++ b/drivers/staging/renesas/rcar/qos/H3/qos_init_h3_v30_mstat390.h
@@ -36,12 +36,12 @@ static uint64_t mstat_fix[] = {
 	/* 0x00e0, */ 0x001014110000FFFFUL,
 	/* 0x00e8, */ 0x0000000000000000UL,
 	/* 0x00f0, */ 0x001044110000FFFFUL,
-	/* 0x00f8, */ 0x000C10100000FFFFUL,
+	/* 0x00f8, */ 0x000C1C1A0000FFFFUL,
 	/* 0x0100, */ 0x0000000000000000UL,
 	/* 0x0108, */ 0x0000000000000000UL,
 	/* 0x0110, */ 0x001014110000FFFFUL,
-	/* 0x0118, */ 0x000C302F0000FFFFUL,
-	/* 0x0120, */ 0x000C302F0000FFFFUL,
+	/* 0x0118, */ 0x000C38360000FFFFUL,
+	/* 0x0120, */ 0x000C38360000FFFFUL,
 	/* 0x0128, */ 0x0000000000000000UL,
 	/* 0x0130, */ 0x0000000000000000UL,
 	/* 0x0138, */ 0x001018150000FFFFUL,
diff --git a/drivers/staging/renesas/rcar/qos/H3/qos_init_h3n_v30.c b/drivers/staging/renesas/rcar/qos/H3/qos_init_h3n_v30.c
index e4909b9c1d7e51768d2f419087f537c6d372bd7b..71e0396280d8c08cc13d27b9d622c6dc535db04f 100644
--- a/drivers/staging/renesas/rcar/qos/H3/qos_init_h3n_v30.c
+++ b/drivers/staging/renesas/rcar/qos/H3/qos_init_h3n_v30.c
@@ -12,7 +12,8 @@
 #include "../qos_reg.h"
 #include "qos_init_h3n_v30.h"
 
-#define	RCAR_QOS_VERSION		"rev.0.03"
+
+#define	RCAR_QOS_VERSION		"rev.0.06"
 
 #define QOSCTRL_FSS			(QOS_BASE1 + 0x0048U)
 
@@ -220,14 +221,6 @@ void qos_init_h3n_v30(void)
 	io_write_32(AXI_TR3CR, 0x00010000U);
 	io_write_32(AXI_TR4CR, 0x00010000U);
 
-	/* 3DG bus Leaf setting */
-	io_write_32(GPU_ACT_GRD, 0x00001234U);
-	io_write_32(GPU_ACT0, 0x00000000U);
-	io_write_32(GPU_ACT1, 0x00000000U);
-	io_write_32(GPU_ACT2, 0x00000000U);
-	io_write_32(GPU_ACT3, 0x00000000U);
-	io_write_32(GPU_ACT_GRD, 0x00000000U);
-
 	/* RT bus Leaf setting */
 	io_write_32(RT_ACT0, 0x00000000U);
 	io_write_32(RT_ACT1, 0x00000000U);
diff --git a/drivers/staging/renesas/rcar/qos/H3/qos_init_h3n_v30_mstat195.h b/drivers/staging/renesas/rcar/qos/H3/qos_init_h3n_v30_mstat195.h
index b73e90ba9ce19d3623286e0e1c7a9fc30a59abc8..6dbc88a05a846f5049e58d65a11eba96569a7ae1 100644
--- a/drivers/staging/renesas/rcar/qos/H3/qos_init_h3n_v30_mstat195.h
+++ b/drivers/staging/renesas/rcar/qos/H3/qos_init_h3n_v30_mstat195.h
@@ -36,12 +36,12 @@ static uint64_t mstat_fix[] = {
 	/* 0x00e0, */ 0x00100C090000FFFFUL,
 	/* 0x00e8, */ 0x0000000000000000UL,
 	/* 0x00f0, */ 0x001024090000FFFFUL,
-	/* 0x00f8, */ 0x000C08080000FFFFUL,
+	/* 0x00f8, */ 0x000C100D0000FFFFUL,
 	/* 0x0100, */ 0x0000000000000000UL,
 	/* 0x0108, */ 0x0000000000000000UL,
 	/* 0x0110, */ 0x00100C090000FFFFUL,
-	/* 0x0118, */ 0x000C18180000FFFFUL,
-	/* 0x0120, */ 0x000C18180000FFFFUL,
+	/* 0x0118, */ 0x000C1C1B0000FFFFUL,
+	/* 0x0120, */ 0x000C1C1B0000FFFFUL,
 	/* 0x0128, */ 0x0000000000000000UL,
 	/* 0x0130, */ 0x0000000000000000UL,
 	/* 0x0138, */ 0x00100C0B0000FFFFUL,
diff --git a/drivers/staging/renesas/rcar/qos/H3/qos_init_h3n_v30_mstat390.h b/drivers/staging/renesas/rcar/qos/H3/qos_init_h3n_v30_mstat390.h
index 1b7c38377e22d2a55b57285167244b665fbe08e7..880211c7e09c240acf205b01a333b24ccc20f7d6 100644
--- a/drivers/staging/renesas/rcar/qos/H3/qos_init_h3n_v30_mstat390.h
+++ b/drivers/staging/renesas/rcar/qos/H3/qos_init_h3n_v30_mstat390.h
@@ -36,12 +36,12 @@ static uint64_t mstat_fix[] = {
 	/* 0x00e0, */ 0x001014110000FFFFUL,
 	/* 0x00e8, */ 0x0000000000000000UL,
 	/* 0x00f0, */ 0x001044110000FFFFUL,
-	/* 0x00f8, */ 0x000C10100000FFFFUL,
+	/* 0x00f8, */ 0x000C1C1A0000FFFFUL,
 	/* 0x0100, */ 0x0000000000000000UL,
 	/* 0x0108, */ 0x0000000000000000UL,
 	/* 0x0110, */ 0x001014110000FFFFUL,
-	/* 0x0118, */ 0x000C302F0000FFFFUL,
-	/* 0x0120, */ 0x000C302F0000FFFFUL,
+	/* 0x0118, */ 0x000C38360000FFFFUL,
+	/* 0x0120, */ 0x000C38360000FFFFUL,
 	/* 0x0128, */ 0x0000000000000000UL,
 	/* 0x0130, */ 0x0000000000000000UL,
 	/* 0x0138, */ 0x001018150000FFFFUL,
diff --git a/drivers/staging/renesas/rcar/qos/M3/qos_init_m3_v11.c b/drivers/staging/renesas/rcar/qos/M3/qos_init_m3_v11.c
index 3186cf68f9bb849487c6941fd7da77a14721e32d..10fa6b4e2f24adcd42556e3e9c475c5e69b3d4c4 100644
--- a/drivers/staging/renesas/rcar/qos/M3/qos_init_m3_v11.c
+++ b/drivers/staging/renesas/rcar/qos/M3/qos_init_m3_v11.c
@@ -12,7 +12,8 @@
 #include "../qos_reg.h"
 #include "qos_init_m3_v11.h"
 
-#define	RCAR_QOS_VERSION		"rev.0.17"
+#define	RCAR_QOS_VERSION		"rev.0.18"
+
 
 #define QOSWT_TIME_BANK0				(20000000U)	/* unit:ns */
 
diff --git a/drivers/staging/renesas/rcar/qos/M3N/qos_init_m3n_v10.c b/drivers/staging/renesas/rcar/qos/M3N/qos_init_m3n_v10.c
index 0be68c3cd601869f5d878f4bd37109fbba9507b3..52a3ca2cef262c9010a6c3e100264e8e960f64cb 100644
--- a/drivers/staging/renesas/rcar/qos/M3N/qos_init_m3n_v10.c
+++ b/drivers/staging/renesas/rcar/qos/M3N/qos_init_m3n_v10.c
@@ -12,7 +12,7 @@
 #include "../qos_reg.h"
 #include "qos_init_m3n_v10.h"
 
-#define	RCAR_QOS_VERSION		"rev.0.06"
+#define	RCAR_QOS_VERSION		"rev.0.08"
 
 #define QOSCTRL_EARLYR			(QOS_BASE1 + 0x0060U)
 #define QOSCTRL_FSS			(QOS_BASE1 + 0x0048U)
@@ -198,14 +198,6 @@ void qos_init_m3n_v10(void)
 #endif /* RCAR_REWT_TRAINING != RCAR_REWT_TRAINING_DISABLE */
 	}
 
-	/* 3DG bus Leaf setting */
-	io_write_32(GPU_ACT_GRD, 0x00001234U);
-	io_write_32(GPU_ACT0, 0x00000000U);
-	io_write_32(GPU_ACT1, 0x00000000U);
-	io_write_32(GPU_ACT2, 0x00000000U);
-	io_write_32(GPU_ACT3, 0x00000000U);
-	io_write_32(GPU_ACT_GRD, 0x00000000U);
-
 	/* RT bus Leaf setting */
 	io_write_32(RT_ACT0, 0x00000000U);
 	io_write_32(RT_ACT1, 0x00000000U);
diff --git a/drivers/staging/renesas/rcar/qos/M3N/qos_init_m3n_v10_mstat195.h b/drivers/staging/renesas/rcar/qos/M3N/qos_init_m3n_v10_mstat195.h
index d30e95f5a78b3f8ebb030bea47b8077228b01c83..9b8b9e9266e91fb20992390de5d98e7af590f9a0 100644
--- a/drivers/staging/renesas/rcar/qos/M3N/qos_init_m3n_v10_mstat195.h
+++ b/drivers/staging/renesas/rcar/qos/M3N/qos_init_m3n_v10_mstat195.h
@@ -27,11 +27,11 @@ static uint64_t mstat_fix[] = {
 	/* 0x0098, */ 0x0000000000000000UL,
 	/* 0x00a0, */ 0x000C041D0000FFFFUL,
 	/* 0x00a8, */ 0x000C04090000FFFFUL,
-	/* 0x00b0, */ 0x000C04090000FFFFUL,
+	/* 0x00b0, */ 0x000C040B0000FFFFUL,
 	/* 0x00b8, */ 0x0000000000000000UL,
 	/* 0x00c0, */ 0x000C041D0000FFFFUL,
 	/* 0x00c8, */ 0x000C04090000FFFFUL,
-	/* 0x00d0, */ 0x000C04090000FFFFUL,
+	/* 0x00d0, */ 0x000C040B0000FFFFUL,
 	/* 0x00d8, */ 0x0000000000000000UL,
 	/* 0x00e0, */ 0x0000000000000000UL,
 	/* 0x00e8, */ 0x0000000000000000UL,
diff --git a/drivers/staging/renesas/rcar/qos/M3N/qos_init_m3n_v10_mstat390.h b/drivers/staging/renesas/rcar/qos/M3N/qos_init_m3n_v10_mstat390.h
index 0dc37cad840a3da9e7f2206e941d5aedca38e224..19143ed98b930867367599df2aae078e9ffb2502 100644
--- a/drivers/staging/renesas/rcar/qos/M3N/qos_init_m3n_v10_mstat390.h
+++ b/drivers/staging/renesas/rcar/qos/M3N/qos_init_m3n_v10_mstat390.h
@@ -27,11 +27,11 @@ static uint64_t mstat_fix[] = {
 	/* 0x0098, */ 0x0000000000000000UL,
 	/* 0x00a0, */ 0x000C08390000FFFFUL,
 	/* 0x00a8, */ 0x000C04110000FFFFUL,
-	/* 0x00b0, */ 0x000C04110000FFFFUL,
+	/* 0x00b0, */ 0x000C04150000FFFFUL,
 	/* 0x00b8, */ 0x0000000000000000UL,
 	/* 0x00c0, */ 0x000C08390000FFFFUL,
 	/* 0x00c8, */ 0x000C04110000FFFFUL,
-	/* 0x00d0, */ 0x000C04110000FFFFUL,
+	/* 0x00d0, */ 0x000C04150000FFFFUL,
 	/* 0x00d8, */ 0x0000000000000000UL,
 	/* 0x00e0, */ 0x0000000000000000UL,
 	/* 0x00e8, */ 0x0000000000000000UL,
diff --git a/drivers/staging/renesas/rcar/qos/qos_common.h b/drivers/staging/renesas/rcar/qos/qos_common.h
index 0174d5bfc806faba1c5113ba1c0aef1cdad67fe8..9bad424fb72de22292566f1f508dbce1560c18a6 100644
--- a/drivers/staging/renesas/rcar/qos/qos_common.h
+++ b/drivers/staging/renesas/rcar/qos/qos_common.h
@@ -9,6 +9,15 @@
 
 #define RCAR_REF_DEFAULT		(0U)
 
+/* define used for get_refperiod. */
+/* REFPERIOD_CYCLE need smaller than QOSWT_WTSET0_CYCLEs */
+/* refere to plat/renesas/rcar/ddr/ddr_a/ddr_init_e3.h for E3. */
+#if (RCAR_REF_INT == RCAR_REF_DEFAULT)	/* REF default */
+#define REFPERIOD_CYCLE		((126 * BASE_SUB_SLOT_NUM * 1000U)/400)	/* unit:ns */
+#else					/* REF option */
+#define REFPERIOD_CYCLE		((252 * BASE_SUB_SLOT_NUM * 1000U)/400)	/* unit:ns */
+#endif
+
 #if (RCAR_LSI == RCAR_E3)
 /* define used for E3 */
 #if (RCAR_REF_INT == RCAR_REF_DEFAULT)	/* REF 3.9usec */
@@ -19,7 +28,7 @@
 
 #define OPERATING_FREQ_E3		(266U)	/* MHz */
 #define SL_INIT_SSLOTCLK_E3		(SUB_SLOT_CYCLE_E3 -1U)
-#define QOSWT_WTSET0_CYCLE_E3		((SUB_SLOT_CYCLE_E3 * BASE_SUB_SLOT_NUM * 1000U)/OPERATING_FREQ_E3)	/* unit:ns */
+/* #define QOSWT_WTSET0_CYCLE_E3		((SUB_SLOT_CYCLE_E3 * BASE_SUB_SLOT_NUM * 1000U)/OPERATING_FREQ_E3) */	/* unit:ns */
 #endif
 
 #if (RCAR_LSI == RCAR_AUTO) || (RCAR_LSI == RCAR_M3N)
diff --git a/drivers/staging/renesas/rcar/qos/qos_init.c b/drivers/staging/renesas/rcar/qos/qos_init.c
index 1d1bcd59f15c2f6019650d2ffd3ccce0156e179e..be4487aa3e93253eeaf6c487755736c1cef96281 100644
--- a/drivers/staging/renesas/rcar/qos/qos_init.c
+++ b/drivers/staging/renesas/rcar/qos/qos_init.c
@@ -238,6 +238,7 @@ void rcar_qos_init(void)
 #endif
 }
 
+#if !(RCAR_LSI == RCAR_E3)
 uint32_t get_refperiod(void)
 {
 	uint32_t refperiod = QOSWT_WTSET0_CYCLE;
@@ -254,11 +255,9 @@ uint32_t get_refperiod(void)
 		case PRR_PRODUCT_11:
 			break;
 		case PRR_PRODUCT_20:
-			refperiod = QOSWT_WTSET0_CYCLE_H3_20;
-			break;
 		case PRR_PRODUCT_30:
 		default:
-			refperiod = QOSWT_WTSET0_CYCLE_H3_30;
+			refperiod = REFPERIOD_CYCLE;
 			break;
 		}
 		break;
@@ -267,7 +266,7 @@ uint32_t get_refperiod(void)
 		switch (reg & PRR_CUT_MASK) {
 		case PRR_PRODUCT_30:
 		default:
-			refperiod = QOSWT_WTSET0_CYCLE_H3N;
+			refperiod = REFPERIOD_CYCLE;
 			break;
 		}
 		break;
@@ -277,21 +276,16 @@ uint32_t get_refperiod(void)
 		switch (reg & PRR_CUT_MASK) {
 		case PRR_PRODUCT_10:
 			break;
-		case PRR_PRODUCT_20:	/* M3 Cut 11 */
+		case PRR_PRODUCT_20: /* M3 Cut 11 */
 		default:
-			refperiod = QOSWT_WTSET0_CYCLE_M3_11;
+			refperiod = REFPERIOD_CYCLE;
 			break;
 		}
 		break;
 #endif
 #if (RCAR_LSI == RCAR_AUTO) || (RCAR_LSI == RCAR_M3N)
 	case PRR_PRODUCT_M3N:
-		refperiod = QOSWT_WTSET0_CYCLE_M3N;
-		break;
-#endif
-#if (RCAR_LSI == RCAR_E3)
-	case PRR_PRODUCT_E3:
-		refperiod = QOSWT_WTSET0_CYCLE_E3;
+		refperiod = REFPERIOD_CYCLE;
 		break;
 #endif
 	default:
@@ -302,28 +296,25 @@ uint32_t get_refperiod(void)
 	/* H3 Cut 10 */
 #elif RCAR_LSI_CUT == RCAR_CUT_11
 	/* H3 Cut 11 */
-#elif RCAR_LSI_CUT == RCAR_CUT_20
-	/* H3 Cut 20 */
-	refperiod = QOSWT_WTSET0_CYCLE_H3_20;
 #else
+	/* H3 Cut 20 */
 	/* H3 Cut 30 or later */
-	refperiod = QOSWT_WTSET0_CYCLE_H3_30;
+	refperiod = REFPERIOD_CYCLE;
 #endif
 #elif RCAR_LSI == RCAR_H3N
 	/* H3N Cut 30 or later */
-	refperiod = QOSWT_WTSET0_CYCLE_H3N;
+	refperiod = REFPERIOD_CYCLE;
 #elif RCAR_LSI == RCAR_M3
 #if RCAR_LSI_CUT == RCAR_CUT_10
 	/* M3 Cut 10 */
 #else
 	/* M3 Cut 11 or later */
-	refperiod = QOSWT_WTSET0_CYCLE_M3_11;
+	refperiod = REFPERIOD_CYCLE;
 #endif
 #elif RCAR_LSI == RCAR_M3N	/* for M3N */
-	refperiod = QOSWT_WTSET0_CYCLE_M3N;
-#elif RCAR_LSI == RCAR_E3	/* for E3 */
-	refperiod = QOSWT_WTSET0_CYCLE_E3;
+	refperiod = REFPERIOD_CYCLE;
 #endif
 
 	return refperiod;
 }
+#endif