ARM: uniphier: update DRAM init code for LD20 SoC

Import the latest version from the Diag software.

  - Support LD21 SoC (including DDR chips in the package)
  - Per-board granule adjustment for both reference and TV boards
  - Misc cleanups

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

2 files changed, 447 insertions, 62 deletions

diff --git a/arch/arm/mach-uniphier/dram/ddrphy-ld20-regs.h b/arch/arm/mach-uniphier/dram/ddrphy-ld20-regs.h
index b1b4cb0d940..02b3aaba5ac 100644
--- a/arch/arm/mach-uniphier/dram/ddrphy-ld20-regs.h
+++ b/arch/arm/mach-uniphier/dram/ddrphy-ld20-regs.h
@@ -1,41 +1,55 @@
 /*
  * Copyright (C) 2016 Socionext Inc.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #ifndef _DDRPHY_LD20_REGS_H
 #define _DDRPHY_LD20_REGS_H
 
-#define PHY_SCL_DATA_0			0x00000104
-#define PHY_SCL_DATA_1			0x00000108
-#define PHY_SCL_LATENCY			0x0000010C
-#define PHY_SCL_START			0x00000100
-#define PHY_SCL_CONFIG_1		0x00000118
-#define PHY_SCL_CONFIG_2		0x0000011C
-#define PHY_PAD_CTRL			0x00000120
-#define PHY_DLL_RECALIB			0x00000124
-#define PHY_DLL_ADRCTRL			0x00000128
-#define PHY_LANE_SEL			0x0000012C
-#define PHY_DLL_TRIM_1			0x00000130
-#define PHY_DLL_TRIM_2			0x00000134
-#define PHY_DLL_TRIM_3			0x00000138
-#define PHY_SCL_MAIN_CLK_DELTA		0x00000140
-#define PHY_WRLVL_AUTOINC_TRIM		0x0000014C
-#define PHY_WRLVL_DYN_ODT		0x00000150
-#define PHY_WRLVL_ON_OFF		0x00000154
-#define PHY_UNQ_ANALOG_DLL_1		0x0000015C
-#define PHY_DLL_INCR_TRIM_1		0x00000164
-#define PHY_DLL_INCR_TRIM_3		0x00000168
-#define PHY_SCL_CONFIG_3		0x0000016C
-#define PHY_UNIQUIFY_TSMC_IO_1		0x00000170
-#define PHY_SCL_START_ADDR		0x00000188
-#define PHY_DSCL_CNT		        0x0000019C
-#define PHY_DLL_TRIM_CLK		0x000001A4
-#define PHY_DYNAMIC_BIT_LVL		0x000001AC
-#define PHY_SCL_WINDOW_TRIM		0x000001B4
-#define PHY_DISABLE_GATING_FOR_SCL	0x000001B8
-#define PHY_SCL_CONFIG_4		0x000001BC
-#define PHY_DYNAMIC_WRITE_BIT_LVL	0x000001C0
-#define PHY_VREF_TRAINING		0x000001C8
-#define PHY_SCL_GATE_TIMING		0x000001E0
+#define PHY_REG_SHIFT			2
+
+#define PHY_SCL_START			(0x40 << (PHY_REG_SHIFT))
+#define PHY_SCL_DATA_0			(0x41 << (PHY_REG_SHIFT))
+#define PHY_SCL_DATA_1			(0x42 << (PHY_REG_SHIFT))
+#define PHY_SCL_LATENCY			(0x43 << (PHY_REG_SHIFT))
+#define PHY_SCL_CONFIG_1		(0x46 << (PHY_REG_SHIFT))
+#define PHY_SCL_CONFIG_2		(0x47 << (PHY_REG_SHIFT))
+#define PHY_PAD_CTRL			(0x48 << (PHY_REG_SHIFT))
+#define PHY_DLL_RECALIB			(0x49 << (PHY_REG_SHIFT))
+#define PHY_DLL_ADRCTRL			(0x4A << (PHY_REG_SHIFT))
+#define PHY_LANE_SEL			(0x4B << (PHY_REG_SHIFT))
+#define PHY_DLL_TRIM_1			(0x4C << (PHY_REG_SHIFT))
+#define PHY_DLL_TRIM_2			(0x4D << (PHY_REG_SHIFT))
+#define PHY_DLL_TRIM_3			(0x4E << (PHY_REG_SHIFT))
+#define PHY_SCL_MAIN_CLK_DELTA		(0x50 << (PHY_REG_SHIFT))
+#define PHY_WRLVL_AUTOINC_TRIM		(0x53 << (PHY_REG_SHIFT))
+#define PHY_WRLVL_DYN_ODT		(0x54 << (PHY_REG_SHIFT))
+#define PHY_WRLVL_ON_OFF		(0x55 << (PHY_REG_SHIFT))
+#define PHY_UNQ_ANALOG_DLL_1		(0x57 << (PHY_REG_SHIFT))
+#define PHY_UNQ_ANALOG_DLL_2		(0x58 << (PHY_REG_SHIFT))
+#define PHY_DLL_INCR_TRIM_1		(0x59 << (PHY_REG_SHIFT))
+#define PHY_DLL_INCR_TRIM_3		(0x5A << (PHY_REG_SHIFT))
+#define PHY_SCL_CONFIG_3		(0x5B << (PHY_REG_SHIFT))
+#define PHY_UNIQUIFY_TSMC_IO_1		(0x5C << (PHY_REG_SHIFT))
+#define PHY_SCL_START_ADDR		(0x62 << (PHY_REG_SHIFT))
+#define PHY_IP_DQ_DQS_BITWISE_TRIM	(0x65 << (PHY_REG_SHIFT))
+#define PHY_DSCL_CNT			(0x67 << (PHY_REG_SHIFT))
+#define PHY_OP_DQ_DM_DQS_BITWISE_TRIM	(0x68 << (PHY_REG_SHIFT))
+#define PHY_DLL_TRIM_CLK		(0x69 << (PHY_REG_SHIFT))
+#define PHY_DYNAMIC_BIT_LVL		(0x6B << (PHY_REG_SHIFT))
+#define PHY_SCL_WINDOW_TRIM		(0x6D << (PHY_REG_SHIFT))
+#define PHY_DISABLE_GATING_FOR_SCL	(0x6E << (PHY_REG_SHIFT))
+#define PHY_SCL_CONFIG_4		(0x6F << (PHY_REG_SHIFT))
+#define PHY_DYNAMIC_WRITE_BIT_LVL	(0x70 << (PHY_REG_SHIFT))
+#define PHY_VREF_TRAINING		(0x72 << (PHY_REG_SHIFT))
+#define PHY_SCL_GATE_TIMING		(0x78 << (PHY_REG_SHIFT))
+
+/* MASK */
+#define MSK_OP_DQ_DM_DQS_BITWISE_TRIM	0x0000007F
+#define MSK_IP_DQ_DQS_BITWISE_TRIM	0x0000007F
+#define MSK_OVERRIDE			0x00000080
+
+#define PHY_BITLVL_DLY_WIDTH		6
 
 #endif /* _DDRPHY_LD20_REGS_H */
diff --git a/arch/arm/mach-uniphier/dram/umc-ld20.c b/arch/arm/mach-uniphier/dram/umc-ld20.c
index 186a398a601..1fdd119a3fe 100644
--- a/arch/arm/mach-uniphier/dram/umc-ld20.c
+++ b/arch/arm/mach-uniphier/dram/umc-ld20.c
@@ -1,7 +1,7 @@
 /*
  * Copyright (C) 2016 Socionext Inc.
  *
- * based on commit f7a4c9efe333fb1536efa86f9e96dc0ee109fedd of Diag
+ * based on commit a3c28918e86ad57127cf07bf8b32950cab20c03c of Diag
  *
  * SPDX-License-Identifier:	GPL-2.0+
  */
@@ -18,6 +18,7 @@
 #include "umc64-regs.h"
 
 #define DRAM_CH_NR	3
+#define CONFIG_DDR_FREQ		1866
 
 enum dram_freq {
 	DRAM_FREQ_1866M,
@@ -30,6 +31,268 @@ enum dram_size {
 	DRAM_SZ_NR,
 };
 
+enum dram_board {		/* board type */
+	DRAM_BOARD_LD20_REF,	/* LD20 reference */
+	DRAM_BOARD_LD20_GLOBAL,	/* LD20 TV */
+	DRAM_BOARD_LD21_REF,	/* LD21 reference */
+	DRAM_BOARD_LD21_GLOBAL,	/* LD21 TV */
+	DRAM_BOARD_NR,
+};
+
+#define MSK_PHY_LANE_SEL		0x000000FF
+#define MSK_BIT_SEL			0x00000F00
+#define MSK_DLL_MAS_DLY			0xFF000000
+#define MSK_MAS_DLY			0x7F000000
+#define MSK_DLLS_TRIM_CLK		0x000000FF
+
+#define PHY_DLL_MAS_DLY_WIDTH		8
+#define PHY_SLV_DLY_WIDTH		6
+
+static void ddrphy_maskwritel(u32 data, u32 mask, void *addr)
+{
+	u32 value;
+
+	value = (readl(addr) & ~mask) | (data & mask);
+	writel(value, addr);
+}
+
+static u32 ddrphy_maskreadl(u32 mask, void *addr)
+{
+	return readl(addr) & mask;
+}
+
+/* set phy_lane_sel.phy_lane_sel */
+static void ddrphy_set_phy_lane_sel(int val, void __iomem *phy_base)
+{
+	ddrphy_maskwritel(val, MSK_PHY_LANE_SEL, phy_base + PHY_LANE_SEL);
+}
+
+/* set phy_lane_sel.bit_sel */
+static void ddrphy_set_bit_sel(int bit, void __iomem *phy_base)
+{
+	ddrphy_maskwritel(bit << 8, MSK_BIT_SEL, phy_base + PHY_LANE_SEL);
+}
+
+/* Calculating step for PUB-byte */
+static int ddrphy_hpstep(int delay, void __iomem *phy_base)
+{
+	int mdl, freq;
+
+	freq = CONFIG_DDR_FREQ; /* FIXME */
+	mdl = ddrphy_maskreadl(MSK_DLL_MAS_DLY, phy_base + PHY_DLL_ADRCTRL) >> 24;
+
+	return DIV_ROUND_CLOSEST(freq * delay * mdl, 2 * 1000000);
+}
+
+static void ddrphy_set_dll_trim_clk(int delay_ckoffset,  void __iomem *phy_base)
+{
+	u8 ck_step;	/* ckoffset_step for clock */
+	u32 ck_step_all;
+
+	/* CK-Offset */
+	if (delay_ckoffset >= 0) {
+		/* shift + direction */
+		ck_step = min(ddrphy_hpstep(delay_ckoffset, phy_base), 127);
+		ck_step_all = ((0x1<<(PHY_SLV_DLY_WIDTH + 1))|ck_step);
+	} else{
+		/* shift - direction */
+		ck_step = min(ddrphy_hpstep(-1*delay_ckoffset, phy_base), 127);
+		ck_step_all = ck_step;
+	}
+
+	ddrphy_set_phy_lane_sel(0, phy_base);
+	ddrphy_maskwritel(ck_step_all, MSK_DLLS_TRIM_CLK, phy_base + PHY_DLL_TRIM_CLK);
+}
+
+static void ddrphy_set_dll_recalib(int delay_qoffset, u32 recalib_cnt,
+				   u8 disable_recalib, u8 ctr_start_val,
+				   void __iomem *phy_base)
+{
+	u8 dlls_trim_adrctrl_ma, incr_dly_adrctrl_ma; /* qoffset_step and flag for inc/dec */
+	u32 recalib_all;	/* all fields of register dll_recalib */
+
+	/* Q-Offset */
+	if (delay_qoffset >= 0) {
+		dlls_trim_adrctrl_ma = min(ddrphy_hpstep(delay_qoffset, phy_base), 63);
+		incr_dly_adrctrl_ma = 0x1;
+	} else {
+		dlls_trim_adrctrl_ma = min(ddrphy_hpstep(-1*delay_qoffset, phy_base), 63);
+		incr_dly_adrctrl_ma = 0x0;
+	}
+
+	recalib_all = ((ctr_start_val & 0xf) << 28) |
+			(incr_dly_adrctrl_ma << 27) |
+			((disable_recalib & 0x1) << 26) |
+			((recalib_cnt & 0x3ffff) << 8) |
+			(dlls_trim_adrctrl_ma & 0x3f);
+
+	/* write value for all bits other than bit[7:6] */
+	ddrphy_maskwritel(recalib_all, ~0xc0, phy_base + PHY_DLL_RECALIB);
+}
+
+static void ddrphy_set_dll_adrctrl(int delay_qoffset, u8 override_adrctrl,
+				   void __iomem *phy_base)
+{
+	u8 dlls_trim_adrctrl, incr_dly_adrctrl; /* qoffset_step for clock */
+	u32 adrctrl_all;
+
+	if (delay_qoffset >= 0) {
+		dlls_trim_adrctrl = min(ddrphy_hpstep(delay_qoffset, phy_base), 63);
+		incr_dly_adrctrl = 0x1;
+	} else {
+		dlls_trim_adrctrl = min(ddrphy_hpstep(-delay_qoffset, phy_base), 63);
+		incr_dly_adrctrl = 0x0;
+	}
+
+	adrctrl_all = (incr_dly_adrctrl << 9) |
+			((override_adrctrl & 0x1) << 8) |
+			dlls_trim_adrctrl;
+
+	ddrphy_maskwritel(adrctrl_all, 0x33f, phy_base + PHY_DLL_ADRCTRL);
+}
+
+/* dio */
+static int dio_adrctrl_0[DRAM_BOARD_NR][DRAM_CH_NR] = {
+	{268-262, 268-263, 268-378},		/* LD20 reference */
+	{268-262, 268-263, 268-378},		/* LD20 TV */
+	{268-212, 268-268, 0},			/* LD21 reference */
+	{268-212, 268-268, 0},			/* LD21 TV */
+};
+static int dio_dlltrimclk_0[DRAM_BOARD_NR][DRAM_CH_NR] = {
+	{268, 268, 268},			/* LD20 reference */
+	{268, 268, 268},			/* LD20 TV */
+	{268, 268+252, 0},			/* LD21 reference */
+	{268, 268+202, 0},			/* LD21 TV */
+};
+static int dio_dllrecalib_0[DRAM_BOARD_NR][DRAM_CH_NR] = {
+	{268-378, 268-263, 268-378},		/* LD20 reference */
+	{268-378, 268-263, 268-378},		/* LD20 TV */
+	{268-212, 268-536, 0},			/* LD21 reference */
+	{268-212, 268-536, 0},			/* LD21 TV */
+};
+
+static u32 dio_phy_pad_ctrl[DRAM_BOARD_NR][DRAM_CH_NR] = {
+	{0x50B840B1, 0x50B840B1, 0x50B840B1},	/* LD20 reference */
+	{0x50BB40B1, 0x50BB40B1, 0x50BB40B1},	/* LD20 TV */
+	{0x50BB40B4, 0x50B840B1, 0x50BB40B1},	/* LD21 reference */
+	{0x50BB40B4, 0x50B840B1, 0x50BB40B1},	/* LD21 TV */
+};
+
+static u32 dio_scl_gate_timing[DRAM_CH_NR] = {0x00000140, 0x00000180, 0x00000140};
+
+static int dio_op_dq_shift_val[DRAM_BOARD_NR][DRAM_CH_NR][32] = {
+	{ /* LD20 reference */
+		{
+			2, 1, 0, 1, 2, 1, 1, 1, 2, 1, 1, 2, 1, 1, 1, 1,
+			1, 2, 1, 1, 1, 2, 1, 1, 2, 2, 0, 1, 1, 2, 2, 1,
+		},
+		{
+			1, 1, 0, 1, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+			1, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 2, 1, 2, 1,
+		},
+		{
+			2, 2, 0, 2, 1, 1, 2, 1, 1, 1, 0, 1, 1, -1, 1, 1,
+			2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 0, 2, 2, 1, 2,
+		},
+	},
+	{ /* LD20 TV */
+		{
+			2, 1, 0, 1, 2, 1, 1, 1, 2, 1, 1, 2, 1, 1, 1, 1,
+			1, 2, 1, 1, 1, 2, 1, 1, 2, 2, 0, 1, 1, 2, 2, 1,
+		},
+		{
+			1, 1, 0, 1, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+			1, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 2, 1, 2, 1,
+		},
+		{
+			2, 2, 0, 2, 1, 1, 2, 1, 1, 1, 0, 1, 1, -1, 1, 1,
+			2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 0, 2, 2, 1, 2,
+		},
+	},
+	{ /* LD21 reference */
+		{
+			1, 1, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1, 0, 2,
+			1, 1, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 1, 0, 0, 1,
+		},
+		{	1, 0, 2, 1, 1, 1, 1, 0, 1, 0, 0, 1, 0, 1, 0, 0,
+			1, 0, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1, 0, 0,
+		},
+		{	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+			0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+		},
+	},
+	{ /* LD21 TV */
+		{
+			1, 1, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1, 0, 2,
+			1, 1, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 1, 0, 0, 1,
+		},
+		{	1, 0, 2, 1, 1, 1, 1, 0, 1, 0, 0, 1, 0, 1, 0, 0,
+			1, 0, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1, 0, 0,
+		},
+		{	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+			0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+		},
+	},
+};
+static int dio_ip_dq_shift_val[DRAM_BOARD_NR][DRAM_CH_NR][32] = {
+	{ /* LD20 reference */
+		{
+			3, 3, 3, 2, 3, 2, 0, 2, 2, 3, 3, 1, 2, 2, 2, 2,
+			2, 2, 2, 2, 0, 1, 1, 1, 2, 2, 2, 2, 3, 0, 2, 2,
+		},
+		{
+			2, 2, 1, 1, -1, 1, 1, 1, 2, 0, 2, 2, 2, 1, 0, 2,
+			2, 1, 2, 1, 0, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2,
+		},
+		{
+			2, 2, 3, 2, 1, 2, 2, 2, 2, 3, 4, 2, 3, 4, 3, 3,
+			2, 2, 1, 2, 1, 1, 1, 1, 2, 2, 2, 2, 1, 2, 2, 1,
+		},
+	},
+	{ /* LD20 TV */
+		{
+			3, 3, 3, 2, 3, 2, 0, 2, 2, 3, 3, 1, 2, 2, 2, 2,
+			2, 2, 2, 2, 0, 1, 1, 1, 2, 2, 2, 2, 3, 0, 2, 2,
+		},
+		{
+			2, 2, 1, 1, -1, 1, 1, 1, 2, 0, 2, 2, 2, 1, 0, 2,
+			2, 1, 2, 1, 0, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2,
+		},
+		{
+			2, 2, 3, 2, 1, 2, 2, 2, 2, 3, 4, 2, 3, 4, 3, 3,
+			2, 2, 1, 2, 1, 1, 1, 1, 2, 2, 2, 2, 1, 2, 2, 1,
+		},
+	},
+	{ /* LD21 reference */
+		{
+			2, 2, 2, 2, 1, 2, 2, 2, 2, 3, 3, 2, 2, 2, 2, 2,
+			2, 1, 2, 2, 1, 1, 1, 1, 2, 2, 2, 3, 1, 2, 2, 2,
+		},
+		{
+			3, 4, 4, 1, 0, 1, 1, 1, 1, 2, 1, 2, 2, 3, 3, 2,
+			1, 0, 2, 1, 1, 0, 1, 0, 0, 1, 0, 0, 1, 1, 0, 1,
+		},
+		{
+			0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+			0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+		},
+	},
+	{ /* LD21 TV */
+		{
+			2, 2, 2, 2, 1, 2, 2, 2, 2, 3, 3, 2, 2, 2, 2, 2,
+			2, 1, 2, 2, 1, 1, 1, 1, 2, 2, 2, 3, 1, 2, 2, 2,
+		},
+		{
+			3, 4, 4, 1, 0, 1, 1, 1, 1, 2, 1, 2, 2, 3, 3, 2,
+			1, 0, 2, 1, 1, 0, 1, 0, 0, 1, 0, 0, 1, 1, 0, 1,
+		},
+		{
+			0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+			0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+		},
+	},
+};
+
 /* umc */
 static u32 umc_initctla[DRAM_FREQ_NR] = {0x71016D11};
 static u32 umc_initctlb[DRAM_FREQ_NR] = {0x07E390AC};
@@ -37,15 +300,24 @@ static u32 umc_initctlc[DRAM_FREQ_NR] = {0x00FF00FF};
 static u32 umc_drmmr0[DRAM_FREQ_NR] = {0x00000114};
 static u32 umc_drmmr2[DRAM_FREQ_NR] = {0x000002a0};
 
-static u32 umc_memconf0a[DRAM_FREQ_NR] = {0x00000801};
-static u32 umc_memconf0b[DRAM_FREQ_NR] = {0x00000130};
-static u32 umc_memconfch[DRAM_FREQ_NR] = {0x00033803};
-
+static u32 umc_memconf0a[DRAM_FREQ_NR][DRAM_SZ_NR] = {
+	/*  256MB       512MB */
+	{0x00000601, 0x00000801},	/* 1866 MHz */
+};
+static u32 umc_memconf0b[DRAM_FREQ_NR][DRAM_SZ_NR] = {
+	/*  256MB       512MB */
+	{0x00000120, 0x00000130},	/* 1866 MHz */
+};
+static u32 umc_memconfch[DRAM_FREQ_NR][DRAM_SZ_NR] = {
+	/*  256MB       512MB */
+	{0x00033603, 0x00033803},	/* 1866 MHz */
+};
 static u32 umc_cmdctla[DRAM_FREQ_NR] = {0x060D0D20};
 static u32 umc_cmdctlb[DRAM_FREQ_NR] = {0x2D211C08};
 static u32 umc_cmdctlc[DRAM_FREQ_NR] = {0x00150C04};
 static u32 umc_cmdctle[DRAM_FREQ_NR][DRAM_SZ_NR] = {
-	{0x0049071D, 0x0078071D},
+	/*  256MB       512MB */
+	{0x0049071D, 0x0078071D},	/* 1866 MHz */
 };
 
 static u32 umc_rdatactl_d0[DRAM_FREQ_NR] = {0x00000610};
@@ -61,12 +333,22 @@ static u32 umc_directbusctrla[DRAM_CH_NR] = {
 	0x00000000, 0x00000001, 0x00000001
 };
 
+/* polling function for PHY Init Complete */
+static void ddrphy_init_complete(void __iomem *dc_base)
+{
+	/* Wait for PHY Init Complete */
+	while (!(readl(dc_base + UMC_DFISTCTLC) & BIT(0)))
+		cpu_relax();
+}
+
 /* DDR PHY */
-static void ddrphy_init(void __iomem *phy_base, enum dram_freq freq)
+static void ddrphy_init(void __iomem *phy_base, void __iomem *dc_base,
+			enum dram_freq freq, enum dram_board board, int ch)
 {
-	writel(0x00000001, phy_base + PHY_UNIQUIFY_TSMC_IO_1);
-	while ((readl(phy_base + PHY_UNIQUIFY_TSMC_IO_1) & BIT(1)))
+	writel(0x0C001001, phy_base + PHY_UNIQUIFY_TSMC_IO_1);
+	while (!(readl(phy_base + PHY_UNIQUIFY_TSMC_IO_1) & BIT(1)))
 		cpu_relax();
+	writel(0x0C001000, phy_base + PHY_UNIQUIFY_TSMC_IO_1);
 
 	writel(0x00000000, phy_base + PHY_DLL_INCR_TRIM_3);
 	writel(0x00000000, phy_base + PHY_DLL_INCR_TRIM_1);
@@ -84,14 +366,14 @@ static void ddrphy_init(void __iomem *phy_base, enum dram_freq freq)
 	writel(0x0000000a, phy_base + PHY_DLL_TRIM_3);
 	writel(0x00000001, phy_base + PHY_SCL_WINDOW_TRIM);
 	writel(0x00000000, phy_base + PHY_UNQ_ANALOG_DLL_1);
-	writel(0x50bb40b1, phy_base + PHY_PAD_CTRL);
+	writel(dio_phy_pad_ctrl[board][ch], phy_base + PHY_PAD_CTRL);
 	writel(0x00000070, phy_base + PHY_VREF_TRAINING);
 	writel(0x01000075, phy_base + PHY_SCL_CONFIG_1);
 	writel(0x00000501, phy_base + PHY_SCL_CONFIG_2);
 	writel(0x00000000, phy_base + PHY_SCL_CONFIG_3);
 	writel(0x000261c0, phy_base + PHY_DYNAMIC_WRITE_BIT_LVL);
 	writel(0x00000000, phy_base + PHY_SCL_CONFIG_4);
-	writel(0x000000a0, phy_base + PHY_SCL_GATE_TIMING);
+	writel(dio_scl_gate_timing[ch], phy_base + PHY_SCL_GATE_TIMING);
 	writel(0x02a000a0, phy_base + PHY_WRLVL_DYN_ODT);
 	writel(0x00840004, phy_base + PHY_WRLVL_ON_OFF);
 	writel(0x0000020d, phy_base + PHY_DLL_ADRCTRL);
@@ -99,30 +381,96 @@ static void ddrphy_init(void __iomem *phy_base, enum dram_freq freq)
 	writel(0x0000008d, phy_base + PHY_DLL_TRIM_CLK);
 	writel(0xa800100d, phy_base + PHY_DLL_RECALIB);
 	writel(0x00005076, phy_base + PHY_SCL_LATENCY);
+
+	ddrphy_init_complete(dc_base);
+
+	ddrphy_set_dll_adrctrl(dio_adrctrl_0[board][ch], 0, phy_base);
+	ddrphy_set_dll_trim_clk(dio_dlltrimclk_0[board][ch], phy_base);
+	ddrphy_set_dll_recalib(dio_dllrecalib_0[board][ch], 0x10, 0, 0xa,
+			       phy_base);
+}
+
+static void ddrphy_shift_dq(u32 reg_mask, u32 reg_addr, int shift_val,
+			    void __iomem *phy_base)
+{
+	u32 reg_val;
+	int dq_val;
+
+	reg_val = ddrphy_maskreadl(reg_mask, phy_base + reg_addr) & 0x7f;
+	dq_val = reg_val & 0x3f;
+
+	if ((reg_val & 0x40) == 0x00)
+		dq_val = -1 * dq_val;
+
+	/* value shift*/
+	dq_val = dq_val + shift_val;
+
+	if (dq_val >= 0)
+		reg_val = 0x40 + (dq_val & 0x3f);
+	else
+		reg_val = ((-1 * dq_val) & 0x3f);
+
+	ddrphy_maskwritel(reg_val, reg_mask, phy_base + reg_addr);
 }
 
-static int ddrphy_training(void __iomem *phy_base)
+static void ddrphy_shift(void __iomem *phy_base, enum dram_board board, int ch)
+{
+	u32 dx, bit;
+
+	/* set override = 1 */
+	ddrphy_maskwritel(MSK_OVERRIDE, MSK_OVERRIDE,
+			  phy_base + PHY_OP_DQ_DM_DQS_BITWISE_TRIM);
+	ddrphy_maskwritel(MSK_OVERRIDE, MSK_OVERRIDE,
+			  phy_base + PHY_IP_DQ_DQS_BITWISE_TRIM);
+
+	for (dx = 0; dx < 4; dx++) {
+		/* set byte to PHY_LANE_SEL.phy_lane_sel= dx * (PHY_BITLVL_DLY_WIDTH+1) */
+		ddrphy_set_phy_lane_sel(dx * (PHY_BITLVL_DLY_WIDTH + 1),
+					phy_base);
+
+		for (bit = 0; bit < 8; bit++) {
+			ddrphy_set_bit_sel(bit, phy_base);
+
+			/* shift write reg value*/
+			ddrphy_shift_dq(MSK_OP_DQ_DM_DQS_BITWISE_TRIM,
+					PHY_OP_DQ_DM_DQS_BITWISE_TRIM,
+					dio_op_dq_shift_val[board][ch][dx * 8 + bit],
+					phy_base);
+			/* shift read reg value */
+			ddrphy_shift_dq(MSK_IP_DQ_DQS_BITWISE_TRIM,
+					PHY_IP_DQ_DQS_BITWISE_TRIM,
+					dio_ip_dq_shift_val[board][ch][dx * 8 + bit],
+					phy_base);
+		}
+
+	}
+	ddrphy_set_phy_lane_sel(0, phy_base);
+	ddrphy_set_bit_sel(0, phy_base);
+}
+
+static int ddrphy_training(void __iomem *phy_base, enum dram_board board,
+			   int ch)
 {
 	writel(0x0000000f, phy_base + PHY_WRLVL_AUTOINC_TRIM);
 	writel(0x00010000, phy_base + PHY_DLL_TRIM_2);
 	writel(0x50000000, phy_base + PHY_SCL_START);
 
-	while ((readl(phy_base + PHY_SCL_START) & BIT(28)))
+	while (readl(phy_base + PHY_SCL_START) & BIT(28))
 		cpu_relax();
 
 	writel(0x00000000, phy_base + PHY_DISABLE_GATING_FOR_SCL);
 	writel(0xff00ff00, phy_base + PHY_SCL_DATA_0);
 	writel(0xff00ff00, phy_base + PHY_SCL_DATA_1);
-	writel(0x00080000, phy_base + PHY_SCL_START_ADDR);
+	writel(0xFBF8FFFF, phy_base + PHY_SCL_START_ADDR);
 	writel(0x11000000, phy_base + PHY_SCL_START);
 
-	while ((readl(phy_base + PHY_SCL_START) & BIT(28)))
+	while (readl(phy_base + PHY_SCL_START) & BIT(28))
 		cpu_relax();
 
-	writel(0x00000000, phy_base + PHY_SCL_START_ADDR);
+	writel(0xFBF0FFFF, phy_base + PHY_SCL_START_ADDR);
 	writel(0x30500000, phy_base + PHY_SCL_START);
 
-	while ((readl(phy_base + PHY_SCL_START) & BIT(28)))
+	while (readl(phy_base + PHY_SCL_START) & BIT(28))
 		cpu_relax();
 
 	writel(0x00000001, phy_base + PHY_DISABLE_GATING_FOR_SCL);
@@ -131,16 +479,22 @@ static int ddrphy_training(void __iomem *phy_base)
 	writel(0xf10e4a56, phy_base + PHY_SCL_DATA_1);
 	writel(0x11000000, phy_base + PHY_SCL_START);
 
-	while ((readl(phy_base + PHY_SCL_START) & BIT(28)))
+	while (readl(phy_base + PHY_SCL_START) & BIT(28))
 		cpu_relax();
 
 	writel(0x34000000, phy_base + PHY_SCL_START);
 
-	while ((readl(phy_base + PHY_SCL_START) & BIT(28)))
+	while (readl(phy_base + PHY_SCL_START) & BIT(28))
 		cpu_relax();
 
 	writel(0x00000003, phy_base + PHY_DISABLE_GATING_FOR_SCL);
 
+	writel(0x000261c0, phy_base + PHY_DYNAMIC_WRITE_BIT_LVL);
+	writel(0x00003270, phy_base + PHY_DYNAMIC_BIT_LVL);
+	writel(0x011BD0C4, phy_base + PHY_DSCL_CNT);
+
+	/* shift ip_dq, op_dq trim */
+	ddrphy_shift(phy_base, board, ch);
 	return 0;
 }
 
@@ -164,10 +518,6 @@ static int umc_dc_init(void __iomem *dc_base, enum dram_freq freq,
 		return -EINVAL;
 	}
 
-	/* Wait for PHY Init Complete */
-	while (!(readl(dc_base + UMC_DFISTCTLC) & BIT(0)))
-		cpu_relax();
-
 	writel(0x00000001, dc_base + UMC_DFICSOVRRD);
 	writel(0x00000000, dc_base + UMC_DFITURNOFF);
 
@@ -180,9 +530,9 @@ static int umc_dc_init(void __iomem *dc_base, enum dram_freq freq,
 	writel(umc_drmmr2[freq], dc_base + UMC_DRMMR2);
 	writel(0x00000000, dc_base + UMC_DRMMR3);
 
-	writel(umc_memconf0a[freq], dc_base + UMC_MEMCONF0A);
-	writel(umc_memconf0b[freq], dc_base + UMC_MEMCONF0B);
-	writel(umc_memconfch[freq], dc_base + UMC_MEMCONFCH);
+	writel(umc_memconf0a[freq][size_e], dc_base + UMC_MEMCONF0A);
+	writel(umc_memconf0b[freq][size_e], dc_base + UMC_MEMCONF0B);
+	writel(umc_memconfch[freq][size_e], dc_base + UMC_MEMCONFCH);
 	writel(0x00000008, dc_base + UMC_MEMMAPSET);
 
 	writel(umc_cmdctla[freq], dc_base + UMC_CMDCTLA);
@@ -227,7 +577,8 @@ static int umc_dc_init(void __iomem *dc_base, enum dram_freq freq,
 }
 
 static int umc_ch_init(void __iomem *umc_ch_base, void __iomem *phy_ch_base,
-		       enum dram_freq freq, unsigned long size, int ch)
+		       enum dram_freq freq, enum dram_board board,
+		       unsigned long size, int ch)
 {
 	void __iomem *dc_base = umc_ch_base + 0x00011000;
 	void __iomem *phy_base = phy_ch_base;
@@ -240,13 +591,13 @@ static int umc_ch_init(void __iomem *umc_ch_base, void __iomem *phy_ch_base,
 	writel(UMC_DIOCTLA_CTL_NRST | UMC_DIOCTLA_CFG_NRST,
 	       dc_base + UMC_DIOCTLA);
 
-	ddrphy_init(phy_base, freq);
+	ddrphy_init(phy_base, dc_base, freq, board, ch);
 
 	ret = umc_dc_init(dc_base, freq, size, ch);
 	if (ret)
 		return ret;
 
-	ret = ddrphy_training(phy_base);
+	ret = ddrphy_training(phy_base, board, ch);
 	if (ret)
 		return ret;
 
@@ -274,6 +625,7 @@ int uniphier_ld20_umc_init(const struct uniphier_board_data *bd)
 	void __iomem *umc_ch_base = (void __iomem *)0x5b800000;
 	void __iomem *phy_ch_base = (void __iomem *)0x6e200000;
 	enum dram_freq freq;
+	enum dram_board board;
 	int ch, ret;
 
 	switch (bd->dram_freq) {
@@ -285,11 +637,30 @@ int uniphier_ld20_umc_init(const struct uniphier_board_data *bd)
 		return -EINVAL;
 	}
 
+	switch (UNIPHIER_BD_BOARD_GET_TYPE(bd->flags)) {
+	case UNIPHIER_BD_BOARD_LD20_REF:
+		board = DRAM_BOARD_LD20_REF;
+		break;
+	case UNIPHIER_BD_BOARD_LD20_GLOBAL:
+		board = DRAM_BOARD_LD20_GLOBAL;
+		break;
+	case UNIPHIER_BD_BOARD_LD21_REF:
+		board = DRAM_BOARD_LD21_REF;
+		break;
+	case UNIPHIER_BD_BOARD_LD21_GLOBAL:
+		board = DRAM_BOARD_LD21_GLOBAL;
+		break;
+	default:
+		pr_err("unsupported board type %d\n",
+		       UNIPHIER_BD_BOARD_GET_TYPE(bd->flags));
+		return -EINVAL;
+	}
+
 	for (ch = 0; ch < bd->dram_nr_ch; ch++) {
 		unsigned long size = bd->dram_ch[ch].size;
 		unsigned int width = bd->dram_ch[ch].width;
 
-		ret = umc_ch_init(umc_ch_base, phy_ch_base, freq,
+		ret = umc_ch_init(umc_ch_base, phy_ch_base, freq, board,
 				  size / (width / 16), ch);
 		if (ret) {
 			pr_err("failed to initialize UMC ch%d\n", ch);