ram: rockchip: Add rv1126 ddr driver support

Add DDR driver for Rockchip RV1126 SoC.

Signed-off-by: YouMin Chen <cym@rock-chips.com>
Signed-off-by: Jagan Teki <jagan@edgeble.ai>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>

7 files changed, 4711 insertions, 0 deletions

diff --git a/arch/arm/include/asm/arch-rockchip/dram_spec_timing.h b/arch/arm/include/asm/arch-rockchip/dram_spec_timing.h
new file mode 100644
index 00000000000..a691e97a8b2
--- /dev/null
+++ b/arch/arm/include/asm/arch-rockchip/dram_spec_timing.h
@@ -0,0 +1,452 @@
+/* SPDX-License-Identifier:     GPL-2.0+ */
+/*
+ * Copyright (C) 2020 Rockchip Electronics Co., Ltd
+ */
+
+#ifndef __ROCKCHIP_DRAM_SPEC_TIMING_H__
+#define __ROCKCHIP_DRAM_SPEC_TIMING_H__
+
+enum ddr3_speed_rate {
+	/* 5-5-5 */
+	DDR3_800D = 0,
+	/* 6-6-6 */
+	DDR3_800E = 1,
+	/* 6-6-6 */
+	DDR3_1066E = 2,
+	/* 7-7-7 */
+	DDR3_1066F = 3,
+	/* 8-8-8 */
+	DDR3_1066G = 4,
+	/* 7-7-7 */
+	DDR3_1333F = 5,
+	/* 8-8-8 */
+	DDR3_1333G = 6,
+	/* 9-9-9 */
+	DDR3_1333H = 7,
+	/* 10-10-10 */
+	DDR3_1333J = 8,
+	/* 8-8-8 */
+	DDR3_1600G = 9,
+	/* 9-9-9 */
+	DDR3_1600H = 10,
+	/* 10-10-10 */
+	DDR3_1600J = 11,
+	/* 11-11-11 */
+	DDR3_1600K = 12,
+	/* 10-10-10 */
+	DDR3_1866J = 13,
+	/* 11-11-11 */
+	DDR3_1866K = 14,
+	/* 12-12-12 */
+	DDR3_1866L = 15,
+	/* 13-13-13 */
+	DDR3_1866M = 16,
+	/* 11-11-11 */
+	DDR3_2133K = 17,
+	/* 12-12-12 */
+	DDR3_2133L = 18,
+	/* 13-13-13 */
+	DDR3_2133M = 19,
+	/* 14-14-14 */
+	DDR3_2133N = 20,
+	DDR3_DEFAULT = 21,
+};
+
+enum ddr4_speed_rate {
+	/* DDR4_1600J (10-10-10) */
+	DDR4_1600J = 0,
+	/* DDR4_1600K (11-11-11) */
+	DDR4_1600K = 1,
+	/* DDR4_1600L (12-12-12) */
+	DDR4_1600L = 2,
+	/* DDR4_1800L (12-12-12) */
+	DDR4_1866L = 3,
+	/* DDR4_1800M (13-13-13) */
+	DDR4_1866M = 4,
+	/* DDR4_1800N (14-14-14) */
+	DDR4_1866N = 5,
+	/* DDR4_2133N (14-14-14) */
+	DDR4_2133N = 6,
+	/* DDR4_2133P (15-15-15) */
+	DDR4_2133P = 7,
+	/* DDR4_2133R (16-16-16) */
+	DDR4_2133R = 8,
+	/* DDR4_2400P (15-15-15) */
+	DDR4_2400P = 9,
+	/* DDR4_2400R (16-16-16) */
+	DDR4_2400R = 10,
+	/* DDR4_2400U (18-18-18) */
+	DDR4_2400U = 11,
+	/* DEFAULT */
+	DDR4_DEFAULT = 12,
+};
+
+/* mr0 for ddr3 */
+#define DDR3_BL8		(0)
+#define DDR3_BC4_8		(1)
+#define DDR3_BC4		(2)
+#define DDR3_CL(n)		(((((n) - 4) & 0x7) << 4)\
+				| ((((n) - 4) & 0x8) >> 1))
+#define DDR3_WR(n)		(((n) & 0x7) << 9)
+#define DDR3_DLL_RESET		(1 << 8)
+#define DDR3_DLL_DERESET	(0 << 8)
+
+/* mr1 for ddr3 */
+#define DDR3_DLL_ENABLE		(0)
+#define DDR3_DLL_DISABLE	(1)
+#define DDR3_MR1_AL(n)		(((n) & 0x3) << 3)
+
+#define DDR3_DS_40		(0)
+#define DDR3_DS_34		BIT(1)
+#define DDR3_DS_MASK		((1 << 1) | (1 << 5))
+#define DDR3_RTT_NOM_MASK	((1 << 2) | (1 << 6) | (1 << 9))
+#define DDR3_RTT_NOM_DIS	(0)
+#define DDR3_RTT_NOM_60		BIT(2)
+#define DDR3_RTT_NOM_120	BIT(6)
+#define DDR3_RTT_NOM_40		((1 << 2) | (1 << 6))
+#define DDR3_TDQS		BIT(11)
+
+/* mr2 for ddr3 */
+#define DDR3_MR2_CWL(n)		((((n) - 5) & 0x7) << 3)
+#define DDR3_RTT_WR_DIS		(0)
+#define DDR3_RTT_WR_60		(1 << 9)
+#define DDR3_RTT_WR_120		(2 << 9)
+
+/*
+ * MR0 (Device Information)
+ * 0:DAI complete, 1:DAI still in progress
+ */
+#define LPDDR2_DAI		(0x1)
+/* 0:S2 or S4 SDRAM, 1:NVM */
+#define LPDDR2_DI		(0x1 << 1)
+/* 0:DNV not supported, 1:DNV supported */
+#define LPDDR2_DNVI		(0x1 << 2)
+#define LPDDR2_RZQI		(0x3 << 3)
+
+/*
+ * 00:RZQ self test not supported,
+ * 01:ZQ-pin may connect to VDDCA or float
+ * 10:ZQ-pin may short to GND.
+ * 11:ZQ-pin self test completed, no error condition detected.
+ */
+
+/* MR1 (Device Feature) */
+#define LPDDR2_BL4		(0x2)
+#define LPDDR2_BL8		(0x3)
+#define LPDDR2_BL16		(0x4)
+#define LPDDR2_N_WR(n)		(((n) - 2) << 5)
+
+/* MR2 (Device Feature 2) */
+#define LPDDR2_RL3_WL1		(0x1)
+#define LPDDR2_RL4_WL2		(0x2)
+#define LPDDR2_RL5_WL2		(0x3)
+#define LPDDR2_RL6_WL3		(0x4)
+#define LPDDR2_RL7_WL4		(0x5)
+#define LPDDR2_RL8_WL4		(0x6)
+
+/* MR3 (IO Configuration 1) */
+#define LPDDR2_DS_34		(0x1)
+#define LPDDR2_DS_40		(0x2)
+#define LPDDR2_DS_48		(0x3)
+#define LPDDR2_DS_60		(0x4)
+#define LPDDR2_DS_80		(0x6)
+/* optional */
+#define LPDDR2_DS_120		(0x7)
+
+/* MR4 (Device Temperature) */
+#define LPDDR2_TREF_MASK	(0x7)
+#define LPDDR2_4_TREF		(0x1)
+#define LPDDR2_2_TREF		(0x2)
+#define LPDDR2_1_TREF		(0x3)
+#define LPDDR2_025_TREF		(0x5)
+#define LPDDR2_025_TREF_DERATE	(0x6)
+
+#define LPDDR2_TUF		(0x1 << 7)
+
+/* MR8 (Basic configuration 4) */
+#define LPDDR2_S4		(0x0)
+#define LPDDR2_S2		(0x1)
+#define LPDDR2_N		(0x2)
+/* Unit:MB */
+#define LPDDR2_DENSITY(mr8)	(8 << (((mr8) >> 2) & 0xf))
+#define LPDDR2_IO_WIDTH(mr8)	(32 >> (((mr8) >> 6) & 0x3))
+
+/* MR10 (Calibration) */
+#define LPDDR2_ZQINIT		(0xff)
+#define LPDDR2_ZQCL		(0xab)
+#define LPDDR2_ZQCS		(0x56)
+#define LPDDR2_ZQRESET		(0xc3)
+
+/* MR16 (PASR Bank Mask), S2 SDRAM Only */
+#define LPDDR2_PASR_FULL	(0x0)
+#define LPDDR2_PASR_1_2		(0x1)
+#define LPDDR2_PASR_1_4		(0x2)
+#define LPDDR2_PASR_1_8		(0x3)
+
+/*
+ * MR0 (Device Information)
+ * 0:DAI complete,
+ * 1:DAI still in progress
+ */
+#define LPDDR3_DAI		(0x1)
+/*
+ * 00:RZQ self test not supported,
+ * 01:ZQ-pin may connect to VDDCA or float
+ * 10:ZQ-pin may short to GND.
+ * 11:ZQ-pin self test completed, no error condition detected.
+ */
+#define LPDDR3_RZQI		(0x3 << 3)
+/*
+ * 0:DRAM does not support WL(Set B),
+ * 1:DRAM support WL(Set B)
+ */
+#define LPDDR3_WL_SUPOT		BIT(6)
+/*
+ * 0:DRAM does not support RL=3,nWR=3,WL=1;
+ * 1:DRAM supports RL=3,nWR=3,WL=1 for frequencies <=166
+ */
+#define LPDDR3_RL3_SUPOT	BIT(7)
+
+/* MR1 (Device Feature) */
+#define LPDDR3_BL8		(0x3)
+#define LPDDR3_N_WR(n)		((n) << 5)
+
+/* MR2 (Device Feature 2), WL Set A,default */
+/* <=166MHz,optional*/
+#define LPDDR3_RL3_WL1		(0x1)
+/* <=400MHz*/
+#define LPDDR3_RL6_WL3		(0x4)
+/* <=533MHz*/
+#define LPDDR3_RL8_WL4		(0x6)
+/* <=600MHz*/
+#define LPDDR3_RL9_WL5		(0x7)
+/* <=667MHz,default*/
+#define LPDDR3_RL10_WL6		(0x8)
+/* <=733MHz*/
+#define LPDDR3_RL11_WL6		(0x9)
+/* <=800MHz*/
+#define LPDDR3_RL12_WL6		(0xa)
+/* <=933MHz*/
+#define LPDDR3_RL14_WL8		(0xc)
+/* <=1066MHz*/
+#define LPDDR3_RL16_WL8		(0xe)
+
+/* WL Set B, optional */
+/* <=667MHz,default*/
+#define LPDDR3_RL10_WL8		(0x8)
+/* <=733MHz*/
+#define LPDDR3_RL11_WL9		(0x9)
+/* <=800MHz*/
+#define LPDDR3_RL12_WL9		(0xa)
+/* <=933MHz*/
+#define LPDDR3_RL14_WL11	(0xc)
+/* <=1066MHz*/
+#define LPDDR3_RL16_WL13	(0xe)
+
+/* 1:enable nWR programming > 9(default)*/
+#define LPDDR3_N_WRE		BIT(4)
+/* 1:Select WL Set B*/
+#define LPDDR3_WL_S		BIT(6)
+/* 1:enable*/
+#define LPDDR3_WR_LEVEL		BIT(7)
+
+/* MR3 (IO Configuration 1) */
+#define LPDDR3_DS_34		(0x1)
+#define LPDDR3_DS_40		(0x2)
+#define LPDDR3_DS_48		(0x3)
+#define LPDDR3_DS_60		(0x4)
+#define LPDDR3_DS_80		(0x6)
+#define LPDDR3_DS_34D_40U	(0x9)
+#define LPDDR3_DS_40D_48U	(0xa)
+#define LPDDR3_DS_34D_48U	(0xb)
+
+/* MR4 (Device Temperature) */
+#define LPDDR3_TREF_MASK	(0x7)
+/* SDRAM Low temperature operating limit exceeded */
+#define LPDDR3_LT_EXED		(0x0)
+#define LPDDR3_4_TREF		(0x1)
+#define LPDDR3_2_TREF		(0x2)
+#define LPDDR3_1_TREF		(0x3)
+#define LPDDR3_05_TREF		(0x4)
+#define LPDDR3_025_TREF		(0x5)
+#define LPDDR3_025_TREF_DERATE	(0x6)
+/* SDRAM High temperature operating limit exceeded */
+#define LPDDR3_HT_EXED		(0x7)
+
+/* 1:value has changed since last read of MR4 */
+#define LPDDR3_TUF		(0x1 << 7)
+
+/* MR8 (Basic configuration 4) */
+#define LPDDR3_S8		(0x3)
+#define LPDDR3_DENSITY(mr8)	(8 << (((mr8) >> 2) & 0xf))
+#define LPDDR3_IO_WIDTH(mr8)	(32 >> (((mr8) >> 6) & 0x3))
+
+/* MR10 (Calibration) */
+#define LPDDR3_ZQINIT		(0xff)
+#define LPDDR3_ZQCL		(0xab)
+#define LPDDR3_ZQCS		(0x56)
+#define LPDDR3_ZQRESET		(0xc3)
+
+/* MR11 (ODT Control) */
+#define LPDDR3_ODT_60		(1)
+#define LPDDR3_ODT_120		(2)
+#define LPDDR3_ODT_240		(3)
+#define LPDDR3_ODT_DIS		(0)
+
+/* MR2 (Device Feature 2) */
+/* RL & nRTP for DBI-RD Disabled */
+#define LPDDR4_RL6_NRTP8	(0x0)
+#define LPDDR4_RL10_NRTP8	(0x1)
+#define LPDDR4_RL14_NRTP8	(0x2)
+#define LPDDR4_RL20_NRTP8	(0x3)
+#define LPDDR4_RL24_NRTP10	(0x4)
+#define LPDDR4_RL28_NRTP12	(0x5)
+#define LPDDR4_RL32_NRTP14	(0x6)
+#define LPDDR4_RL36_NRTP16	(0x7)
+/* RL & nRTP for DBI-RD Disabled */
+#define LPDDR4_RL12_NRTP8	(0x1)
+#define LPDDR4_RL16_NRTP8	(0x2)
+#define LPDDR4_RL22_NRTP8	(0x3)
+#define LPDDR4_RL28_NRTP10	(0x4)
+#define LPDDR4_RL32_NRTP12	(0x5)
+#define LPDDR4_RL36_NRTP14	(0x6)
+#define LPDDR4_RL40_NRTP16	(0x7)
+/* WL Set A,default */
+#define LPDDR4_A_WL4		(0x0 << 3)
+#define LPDDR4_A_WL6		(0x1 << 3)
+#define LPDDR4_A_WL8		(0x2 << 3)
+#define LPDDR4_A_WL10		(0x3 << 3)
+#define LPDDR4_A_WL12		(0x4 << 3)
+#define LPDDR4_A_WL14		(0x5 << 3)
+#define LPDDR4_A_WL16		(0x6 << 3)
+#define LPDDR4_A_WL18		(0x7 << 3)
+/* WL Set B, optional */
+#define LPDDR4_B_WL4		(0x0 << 3)
+#define LPDDR4_B_WL8		(0x1 << 3)
+#define LPDDR4_B_WL12		(0x2 << 3)
+#define LPDDR4_B_WL18		(0x3 << 3)
+#define LPDDR4_B_WL22		(0x4 << 3)
+#define LPDDR4_B_WL26		(0x5 << 3)
+#define LPDDR4_B_WL30		(0x6 << 3)
+#define LPDDR4_B_WL34		(0x7 << 3)
+/* 1:Select WL Set B*/
+#define LPDDR4_WL_B		BIT(6)
+/* 1:enable*/
+#define LPDDR4_WR_LEVEL		BIT(7)
+
+/* MR3 */
+#define LPDDR4_VDDQ_2_5		(0)
+#define LPDDR4_VDDQ_3		(1)
+#define LPDDR4_PU_CAL_MASK	(1)
+#define LPDDR4_WRPST_0_5_TCK	(0 << 1)
+#define LPDDR4_WRPST_1_5_TCK	(1 << 1)
+#define LPDDR4_PPR_EN		(1 << 2)
+/* PDDS */
+#define LPDDR4_PDDS_MASK	(0x7 << 3)
+#define LPDDR4_PDDS_SHIFT	(3)
+#define LPDDR4_PDDS_240		(0x1 << 3)
+#define LPDDR4_PDDS_120		(0x2 << 3)
+#define LPDDR4_PDDS_80		(0x3 << 3)
+#define LPDDR4_PDDS_60		(0x4 << 3)
+#define LPDDR4_PDDS_48		(0x5 << 3)
+#define LPDDR4_PDDS_40		(0x6 << 3)
+#define LPDDR4_DBI_RD_EN	BIT(6)
+#define LPDDR4_DBI_WR_EN	BIT(7)
+
+/* MR11 (ODT Control) */
+#define LPDDR4_DQODT_MASK	(0x7)
+#define LPDDR4_DQODT_SHIFT	(0x0)
+#define LPDDR4_DQODT_240	(1)
+#define LPDDR4_DQODT_120	(2)
+#define LPDDR4_DQODT_80		(3)
+#define LPDDR4_DQODT_60		(4)
+#define LPDDR4_DQODT_48		(5)
+#define LPDDR4_DQODT_40		(6)
+#define LPDDR4_DQODT_DIS	(0)
+#define LPDDR4_CAODT_MASK	(0x7 << 4)
+#define LPDDR4_CAODT_SHIFT	(4)
+#define LPDDR4_CAODT_240	(1 << 4)
+#define LPDDR4_CAODT_120	(2 << 4)
+#define LPDDR4_CAODT_80		(3 << 4)
+#define LPDDR4_CAODT_60		(4 << 4)
+#define LPDDR4_CAODT_48		(5 << 4)
+#define LPDDR4_CAODT_40		(6 << 4)
+#define LPDDR4_CAODT_DIS	(0 << 4)
+
+/* MR22 */
+#define LPDDR4_ODTE_CK_SHIFT	(3)
+#define LPDDR4_ODTE_CS_SHIFT	(4)
+#define LPDDR4_ODTD_CA_SHIFT	(5)
+#define LPDDR4_SOC_ODT_MASK	(0x7)
+#define LPDDR4_SOC_ODT_SHIFT	(0)
+#define LPDDR4_SOC_ODT_240	(1)
+#define LPDDR4_SOC_ODT_120	(2)
+#define LPDDR4_SOC_ODT_80	(3)
+#define LPDDR4_SOC_ODT_60	(4)
+#define LPDDR4_SOC_ODT_48	(5)
+#define LPDDR4_SOC_ODT_40	(6)
+#define LPDDR4_SOC_ODT_DIS	(0)
+
+/* LPDDR4x */
+/* MR3 */
+#define LPDDR4X_VDDQ_0_6	(0)
+#define LPDDR4X_VDDQ_0_5	(1)
+
+/* mr0 for ddr4 */
+#define DDR4_BL8		(0)
+#define DDR4_BC4_8		(1)
+#define DDR4_BC4		(2)
+#define DDR4_WR_RTP(n)		((n) << 9)
+#define DDR4_CL(n)		((((n) & 0xe) << 3) | ((n) & 1) << 2)
+#define DDR4_DLL_RESET(n)	((n) << 8)
+#define DDR4_DLL_ON		BIT(0)
+#define DDR4_DLL_OFF		(0 << 0)
+
+/* mr1 for ddr4 */
+#define DDR4_AL			((n) << 3)
+#define DDR4_DS_34		(0)
+#define DDR4_DS_48		BIT(1)
+#define DDR4_DS_MASK		(0x3 << 1)
+#define DDR4_RTT_NOM_MASK	(0x7 << 8)
+#define DDR4_RTT_NOM_DIS	(0)
+#define DDR4_RTT_NOM_60		BIT(8)
+#define DDR4_RTT_NOM_120	(2 << 8)
+#define DDR4_RTT_NOM_40		(0x3 << 8)
+#define DDR4_RTT_NOM_240	(0x4 << 8)
+#define DDR4_RTT_NOM_48		(0x5 << 8)
+#define DDR4_RTT_NOM_80		(0x6 << 8)
+#define DDR4_RTT_NOM_34		(0x7 << 8)
+
+/* mr2 for ddr4 */
+#define DDR4_MR2_CWL(n)		((n) << 3)
+#define DDR4_RTT_WR_DIS		(0)
+#define DDR4_RTT_WR_120		BIT(9)
+#define DDR4_RTT_WR_240		(2 << 9)
+
+/* mr4 for ddr4 */
+#define DDR4_READ_PREAMBLE(n)	((n) << 11)
+#define DDR4_WRITE_PREAMBLE(n)	((n) << 12)
+#define DDR4_READ_PREAMBLE_TRAIN(n)	((n) << 10)
+
+/* mr5 for ddr4 */
+#define DDR4_RD_DBI(n)		((n) << 12)
+#define DDR4_WR_DBI(n)		((n) << 11)
+#define DDR4_DM(n)		((n) << 10)
+#define DDR4_RTT_PARK_DIS	(0 << 6)
+#define DDR4_RTT_PARK_60	(1 << 6)
+#define DDR4_RTT_PARK_120	(2 << 6)
+#define DDR4_RTT_PARK_40	(3 << 6)
+#define DDR4_RTT_PARK_240	(4 << 6)
+#define DDR4_RTT_PARK_48	(5 << 6)
+#define DDR4_RTT_PARK_80	(6 << 6)
+#define DDR4_RTT_PARK_34	(7 << 6)
+#define DIS_ODT_PD		(1 << 5)
+#define EN_ODT_PD		(0 << 5)
+
+/* mr6 for ddr4 */
+#define DDR4_TCCD_L(n)		(((n) - 4) << 10)
+
+#define PS_2_CLK(freq, ps)	(((uint64_t)(ps) / 100 * (uint64_t)(freq) +\
+				9999) / 10000)
+
+#endif /* __ROCKCHIP_DRAM_SPEC_TIMING_H__ */
diff --git a/arch/arm/include/asm/arch-rockchip/sdram_common.h b/arch/arm/include/asm/arch-rockchip/sdram_common.h
index a14b37cbc5c..e53e5a9ca58 100644
--- a/arch/arm/include/asm/arch-rockchip/sdram_common.h
+++ b/arch/arm/include/asm/arch-rockchip/sdram_common.h
@@ -15,6 +15,210 @@
 #define MIN(a, b)	(((a) > (b)) ? (b) : (a))
 #define MAX(a, b)	(((a) > (b)) ? (a) : (b))
 
+/* get head info for initial */
+#define DDR_FREQ_F0_SHIFT		(0)
+#define DDR_FREQ_F1_SHIFT		(12)
+#define DDR_FREQ_F2_SHIFT		(0)
+#define DDR_FREQ_F3_SHIFT		(12)
+#define DDR_FREQ_F4_SHIFT		(0)
+#define DDR_FREQ_F5_SHIFT		(12)
+#define DDR_FREQ_MASK			(0xfff)
+
+#define UART_INFO_ID_SHIFT		(28)
+#define UART_INFO_IOMUX_SHIFT		(24)
+#define UART_INFO_BAUD_SHIFT		(0)
+#define UART_INFO_ID(n)			(((n) >> 28) & 0xf)
+#define UART_INFO_IOMUX(n)		(((n) >> 24) & 0xf)
+#define UART_INFO_BAUD(n)		((n) & 0xffffff)
+
+/* g_ch_info[15:0]: g_stdby_idle */
+#define STANDBY_IDLE(n)			((n) & 0xffff)
+
+#define SR_INFO(n)			(((n) >> 16) & 0xffff)
+#define PD_INFO(n)			((n) & 0xffff)
+
+#define FIRST_SCAN_CH(n)		(((n) >> 28) & 0xf)
+#define CHANNEL_MASK(n)			(((n) >> 24) & 0xf)
+#define STRIDE_TYPE(n)			(((n) >> 16) & 0xff)
+
+#define DDR_2T_INFO(n)			((n) & 1)
+#define PLL_SSMOD_SPREAD(n)		(((n) >> 1) & 0xff)
+#define PLL_SSMOD_DIV(n)		(((n) >> 9) & 0xff)
+#define PLL_SSMOD_DOWNSPREAD(n)		(((n) >> 17) & 0x3)
+
+/* sdram_head_info_v2 define */
+/* for *_drv_odten and *_drv_odtoff */
+#define PHY_DQ_DRV_SHIFT		0
+#define PHY_CA_DRV_SHIFT		8
+#define PHY_CLK_DRV_SHIFT		16
+#define DRAM_DQ_DRV_SHIFT		24
+#define DRV_INFO_PHY_DQ_DRV(n)		((n) & 0xff)
+#define DRV_INFO_PHY_CA_DRV(n)		(((n) >> PHY_CA_DRV_SHIFT) & 0xff)
+#define DRV_INFO_PHY_CLK_DRV(n)		(((n) >> PHY_CLK_DRV_SHIFT) & 0xff)
+#define DRV_INFO_DRAM_DQ_DRV(n)		(((n) >> DRAM_DQ_DRV_SHIFT) & 0xff)
+
+/* for *_odt_info */
+#define DRAM_ODT_SHIFT			0
+#define PHY_ODT_SHIFT			8
+#define PHY_ODT_PUUP_EN_SHIFT		18
+#define PHY_ODT_PUDN_EN_SHIFT		19
+#define ODT_INFO_DRAM_ODT(n)		(((n) >> DRAM_ODT_SHIFT) & 0xff)
+#define ODT_INFO_PHY_ODT(n)		(((n) >> PHY_ODT_SHIFT) & 0x3ff)
+#define ODT_INFO_PULLUP_EN(n)		(((n) >> PHY_ODT_PUUP_EN_SHIFT) & 1)
+#define ODT_INFO_PULLDOWN_EN(n)		(((n) >> PHY_ODT_PUDN_EN_SHIFT) & 1)
+
+/* for *odt_en_freq; */
+#define DRAM_ODT_EN_FREQ_SHIFT		0
+#define PHY_ODT_EN_FREQ_SHIFT		12
+#define DRAMODT_EN_FREQ(n)		(((n) >> DRAM_ODT_EN_FREQ_SHIFT) & \
+					 0xfff)
+#define PHYODT_EN_FREQ(n)		(((n) >> PHY_ODT_EN_FREQ_SHIFT) & 0xfff)
+
+#define PHY_DQ_SR_SHIFT			0
+#define PHY_CA_SR_SHIFT			8
+#define PHY_CLK_SR_SHIFT		16
+#define DQ_SR_INFO(n)			(((n) >> PHY_DQ_SR_SHIFT) & 0xff)
+#define CA_SR_INFO(n)			(((n) >> PHY_CA_SR_SHIFT) & 0xff)
+#define CLK_SR_INFO(n)			(((n) >> PHY_CLK_SR_SHIFT) & 0xff)
+
+/* LP4 */
+#define LP4_CA_ODT_SHIFT			(18)
+#define LP4_DRV_PU_CAL_ODTEN_SHIFT		(26)
+#define LP4_DRV_PU_CAL_ODTOFF_SHIFT		(27)
+#define PHY_LP4_DRV_PULLDOWN_EN_ODTEN_SHIFT	(28)
+#define PHY_LP4_DRV_PULLDOWN_EN_ODTOFF_SHIFT	(29)
+#define ODT_INFO_LP4_CA_ODT(n)			(((n) >> LP4_CA_ODT_SHIFT) & \
+						 0xff)
+#define LP4_DRV_PU_CAL_ODTEN(n)		\
+	(((n) >> LP4_DRV_PU_CAL_ODTEN_SHIFT) & 1)
+#define LP4_DRV_PU_CAL_ODTOFF(n)	\
+	(((n) >> LP4_DRV_PU_CAL_ODTOFF_SHIFT) & 1)
+#define PHY_LP4_DRV_PULLDOWN_EN_ODTEN(n)	\
+	(((n) >> PHY_LP4_DRV_PULLDOWN_EN_ODTEN_SHIFT) & 1)
+#define PHY_LP4_DRV_PULLDOWN_EN_ODTOFF(n)	\
+	(((n) >> PHY_LP4_DRV_PULLDOWN_EN_ODTOFF_SHIFT) & 1)
+
+#define PHY_LP4_CS_DRV_ODTEN_SHIFT	(0)
+#define PHY_LP4_CS_DRV_ODTOFF_SHIFT	(8)
+#define LP4_ODTE_CK_SHIFT		(16)
+#define LP4_ODTE_CS_EN_SHIFT		(17)
+#define LP4_ODTD_CA_EN_SHIFT		(18)
+#define PHY_LP4_CS_DRV_ODTEN(n)		\
+	(((n) >> PHY_LP4_CS_DRV_ODTEN_SHIFT) & 0xff)
+#define PHY_LP4_CS_DRV_ODTOFF(n)	\
+	(((n) >> PHY_LP4_CS_DRV_ODTOFF_SHIFT) & 0xff)
+#define LP4_ODTE_CK_EN(n)		(((n) >> LP4_ODTE_CK_SHIFT) & 1)
+#define LP4_ODTE_CS_EN(n)		(((n) >> LP4_ODTE_CS_EN_SHIFT) & 1)
+#define LP4_ODTD_CA_EN(n)		(((n) >> LP4_ODTD_CA_EN_SHIFT) & 1)
+
+#define PHY_LP4_DQ_VREF_SHIFT		(0)
+#define LP4_DQ_VREF_SHIFT		(10)
+#define LP4_CA_VREF_SHIFT		(20)
+
+#define PHY_LP4_DQ_VREF(n)		\
+	(((n) >> PHY_LP4_DQ_VREF_SHIFT) & 0x3ff)
+#define LP4_DQ_VREF(n)			(((n) >> LP4_DQ_VREF_SHIFT) & 0x3ff)
+#define LP4_CA_VREF(n)			(((n) >> LP4_CA_VREF_SHIFT) & 0x3ff)
+
+#define LP4_DQ_ODT_EN_FREQ_SHIFT	(0)
+#define PHY_LP4_ODT_EN_FREQ_SHIFT	(12)
+#define LP4_CA_ODT_EN_FREQ_SHIFT	(0)
+#define PHY_LP4_ODT_EN_FREQ(n)		\
+	(((n) >> PHY_LP4_ODT_EN_FREQ_SHIFT) & 0xfff)
+#define LP4_DQ_ODT_EN_FREQ(n)		\
+	(((n) >> LP4_DQ_ODT_EN_FREQ_SHIFT) & 0xfff)
+#define LP4_CA_ODT_EN_FREQ(n)		\
+	(((n) >> LP4_CA_ODT_EN_FREQ_SHIFT) & 0xfff)
+
+struct sdram_head_info_v0 {
+	u32 start_tag;
+	u32 version_info;
+	u32 gcpu_gen_freq;
+	u32 g_d2_lp2_freq;
+	u32 g_d3_lp3_freq;
+	u32 g_d4_lp4_freq;
+	u32 g_uart_info;
+	u32 g_sr_pd_idle;
+	u32 g_ch_info;
+	u32 g_2t_info;
+	u32 reserved11;
+	u32 reserved12;
+	u32 reserved13;
+};
+
+struct index_info {
+	u8 offset;
+	u8 size;
+};
+
+struct sdram_head_info_index_v2 {
+	u32 start_tag;
+	u32 version_info;
+	struct index_info cpu_gen_index;
+	struct index_info global_index;
+
+	struct index_info ddr2_index;
+	struct index_info ddr3_index;
+
+	struct index_info ddr4_index;
+	struct index_info ddr5_index;
+
+	struct index_info lp2_index;
+	struct index_info lp3_index;
+
+	struct index_info lp4_index;
+	struct index_info lp5_index;
+
+	struct index_info skew_index;
+	struct index_info dq_map_index;
+
+	struct index_info lp4x_index;
+	struct index_info reserved;
+};
+
+struct global_info {
+	u32 uart_info;
+	u32 sr_pd_info;
+	u32 ch_info;
+	u32 info_2t;
+	u32 reserved[4];
+};
+
+struct ddr2_3_4_lp2_3_info {
+	u32 ddr_freq0_1;
+	u32 ddr_freq2_3;
+	u32 ddr_freq4_5;
+	u32 drv_when_odten;
+	u32 drv_when_odtoff;
+	u32 odt_info;
+	u32 odten_freq;
+	u32 sr_when_odten;
+	u32 sr_when_odtoff;
+};
+
+struct lp4_info {
+	u32 ddr_freq0_1;
+	u32 ddr_freq2_3;
+	u32 ddr_freq4_5;
+	u32 drv_when_odten;
+	u32 drv_when_odtoff;
+	u32 odt_info;
+	u32 dq_odten_freq;
+	u32 sr_when_odten;
+	u32 sr_when_odtoff;
+	u32 ca_odten_freq;
+	u32 cs_drv_ca_odt_info;
+	u32 vref_when_odten;
+	u32 vref_when_odtoff;
+};
+
+struct dq_map_info {
+	u32 byte_map[2];
+	u32 lp3_dq0_7_map;
+	u32 lp2_dq0_7_map;
+	u32 ddr4_dq_map[4];
+};
+
 struct sdram_cap_info {
 	unsigned int rank;
 	/* dram column number, 0 means this channel is invalid */
@@ -46,6 +250,14 @@ struct sdram_base_params {
 };
 
 #define DDR_SYS_REG_VERSION		(0x2)
+/* for modify tRFC and related timing */
+#define DIE_CAP_512MBIT	64
+#define DIE_CAP_1GBIT	128
+#define DIE_CAP_2GBIT	256
+#define DIE_CAP_4GBIT	512
+#define DIE_CAP_8GBIT	1024
+#define DIE_CAP_16GBIT	2048
+#define DIE_CAP_32GBIT	4096
 /*
  * sys_reg2 bitfield struct
  * [31]		row_3_4_ch1
diff --git a/arch/arm/include/asm/arch-rockchip/sdram_msch.h b/arch/arm/include/asm/arch-rockchip/sdram_msch.h
index cfb3d9cc869..d1926f4bf20 100644
--- a/arch/arm/include/asm/arch-rockchip/sdram_msch.h
+++ b/arch/arm/include/asm/arch-rockchip/sdram_msch.h
@@ -57,6 +57,18 @@ union noc_devtodev0 {
 	} b;
 };
 
+union noc_devtodev_rv1126 {
+	u32 d32;
+	struct {
+		unsigned busrdtord : 3;
+		unsigned reserved0 : 1;
+		unsigned busrdtowr : 4;
+		unsigned buswrtord : 4;
+		unsigned buswrtowr : 3;
+		unsigned reserved2 : 17;
+	} b;
+};
+
 union noc_ddrmode {
 	u32 d32;
 	struct {
diff --git a/arch/arm/include/asm/arch-rockchip/sdram_phy_rv1126.h b/arch/arm/include/asm/arch-rockchip/sdram_phy_rv1126.h
new file mode 100644
index 00000000000..5b64ec33528
--- /dev/null
+++ b/arch/arm/include/asm/arch-rockchip/sdram_phy_rv1126.h
@@ -0,0 +1,93 @@
+/* SPDX-License-Identifier:     GPL-2.0+ */
+/*
+ * Copyright (C) 2020 Rockchip Electronics Co., Ltd
+ */
+
+#ifndef _ASM_ARCH_SDRAM_RK1126_PHY_H
+#define _ASM_ARCH_SDRAM_RK1126_PHY_H
+
+/* PHY_REG0 */
+#define DIGITAL_DERESET			BIT(3)
+#define ANALOG_DERESET			BIT(2)
+#define DIGITAL_RESET			(0 << 3)
+#define ANALOG_RESET			(0 << 2)
+
+/* PHY_REG1 */
+#define PHY_DDR2			(0)
+#define PHY_LPDDR2			(1)
+#define PHY_DDR3			(2)
+#define PHY_LPDDR3			(3)
+#define PHY_DDR4			(4)
+#define PHY_DDR5			(5)
+#define PHY_BL_4			(0 << 3)
+#define PHY_BL_8_OR_16			BIT(3)
+
+/* PHY_REG2 */
+#define PHY_DTT_EN			BIT(0)
+#define PHY_DTT_DISB			(0 << 0)
+#define PHY_WRITE_LEVELING_EN		BIT(2)
+#define PHY_WRITE_LEVELING_DISB		(0 << 2)
+#define PHY_SELECT_CS0			(2)
+#define PHY_SELECT_CS1			(1)
+#define PHY_SELECT_CS0_1		(0)
+#define PHY_WRITE_LEVELING_SELECTCS(n)	((n) << 6)
+#define PHY_DATA_TRAINING_SELECTCS(n)	((n) << 4)
+
+/* PHY_REGf */
+#define PHY_DQ_WIDTH_MASK		(0xf)
+
+/* PHY_REG51 */
+#define PHY_PBDIV_BIT9_MASK		BIT(0)
+#define PHY_PBDIV_BIT9_SHIFT	(0)
+#define PHY_POSTDIV_EN_MASK		BIT(7)
+#define PHY_POSTDIV_EN_SHIFT	(7)
+
+/* PHY_REG52 */
+#define PHY_PREDIV_MASK			(0x1F)
+#define PHY_PREDIV_SHIFT		(0)
+
+/* PHY_REG53*/
+#define PHY_POSTDIV_MASK		(0x7)
+#define PHY_POSTDIV_SHIFT		(5)
+#define PHY_PD_DISB			BIT(3)
+
+/* PHY_REG90 */
+#define PHY_PLL_LOCK			BIT(2)
+
+struct ca_skew {
+	u32 a0_a3_a3_cke1_a_de_skew;
+	u32 a1_ba1_null_cke0_b_de_skew;
+	u32 a2_a9_a9_a4_a_de_skew;
+	u32 a3_a15_null_a5_b_de_skew;
+	u32 a4_a6_a6_ck_a_de_skew;
+	u32 a5_a12_null_odt0_b_de_skew;
+	u32 a6_ba2_null_a0_a_de_skew;
+	u32 a7_a4_a4_odt0_a_de_skew;
+	u32 a8_a1_a1_cke0_a_de_skew;
+	u32 a9_a5_a5_a5_a_de_skew;
+	u32 a10_a8_a8_clkb_a_de_skew;
+	u32 a11_a7_a7_ca2_a_de_skew;
+	u32 a12_rasn_null_ca1_a_de_skew;
+	u32 a13_a13_null_ca3_a_de_skew;
+	u32 a14_a14_null_csb1_b_de_skew;
+	u32 a15_a10_null_ca0_b_de_skew;
+	u32 a16_a11_null_csb0_b_de_skew;
+	u32 a17_null_null_null_de_skew;
+	u32 ba0_csb1_csb1_csb0_a_de_skew;
+	u32 ba1_wen_null_cke1_b_de_skew;
+	u32 bg0_odt1_odt1_csb1_a_de_skew;
+	u32 bg1_a2_a2_odt1_a_de_skew;
+	u32 cke0_casb_null_ca1_b_de_skew;
+	u32 ck_ck_ck_ck_b_de_skew;
+	u32 ckb_ckb_ckb_ckb_b_de_skew;
+	u32 csb0_odt0_odt0_ca2_b_de_skew;
+	u32 odt0_csb0_csb0_ca4_b_de_skew;
+	u32 resetn_resetn_null_resetn_de_skew;
+	u32 actn_cke_cke_ca3_b_de_skew;
+	u32 null_null_null_null_de_skew;
+	u32 csb1_ba0_null_null_de_skew;
+	u32 odt1_a0_a0_odt1_b_de_skew;
+};
+
+#define PHY_REG(base, n)		((base) + 4 * (n))
+#endif /* _ASM_ARCH_SDRAM_RK1126_PHY_H */
diff --git a/arch/arm/include/asm/arch-rockchip/sdram_rv1126.h b/arch/arm/include/asm/arch-rockchip/sdram_rv1126.h
new file mode 100644
index 00000000000..6a07436059c
--- /dev/null
+++ b/arch/arm/include/asm/arch-rockchip/sdram_rv1126.h
@@ -0,0 +1,420 @@
+/* SPDX-License-Identifier:     GPL-2.0+ */
+/*
+ * Copyright (C) 2020 Rockchip Electronics Co., Ltd
+ */
+
+#ifndef _ASM_ARCH_SDRAM_RK1126_H
+#define _ASM_ARCH_SDRAM_RK1126_H
+
+#include <asm/arch-rockchip/dram_spec_timing.h>
+#include <asm/arch-rockchip/sdram.h>
+#include <asm/arch-rockchip/sdram_common.h>
+#include <asm/arch-rockchip/sdram_msch.h>
+#include <asm/arch-rockchip/sdram_pctl_px30.h>
+#include <asm/arch-rockchip/sdram_phy_rv1126.h>
+
+#define AGINGX0_VAL			(4)
+#define AGING_CPU_VAL			(0xff)
+#define AGING_NPU_VAL			(0xff)
+#define AGING_OTHER_VAL			(0x33)
+
+#define PATTERN				(0x5aa5f00f)
+
+#define PHY_DDR3_RON_DISABLE		(0)
+#define PHY_DDR3_RON_455ohm		(1)
+#define PHY_DDR3_RON_230ohm		(2)
+#define PHY_DDR3_RON_153ohm		(3)
+#define PHY_DDR3_RON_115ohm		(4)
+#define PHY_DDR3_RON_91ohm		(5)
+#define PHY_DDR3_RON_76ohm		(6)
+#define PHY_DDR3_RON_65ohm		(7)
+#define PHY_DDR3_RON_57ohm		(16)
+#define PHY_DDR3_RON_51ohm		(17)
+#define PHY_DDR3_RON_46ohm		(18)
+#define PHY_DDR3_RON_41ohm		(19)
+#define PHY_DDR3_RON_38ohm		(20)
+#define PHY_DDR3_RON_35ohm		(21)
+#define PHY_DDR3_RON_32ohm		(22)
+#define PHY_DDR3_RON_30ohm		(23)
+#define PHY_DDR3_RON_28ohm		(24)
+#define PHY_DDR3_RON_27ohm		(25)
+#define PHY_DDR3_RON_25ohm		(26)
+#define PHY_DDR3_RON_24ohm		(27)
+#define PHY_DDR3_RON_23ohm		(28)
+#define PHY_DDR3_RON_22ohm		(29)
+#define PHY_DDR3_RON_21ohm		(30)
+#define PHY_DDR3_RON_20ohm		(31)
+
+#define PHY_DDR3_RTT_DISABLE		(0)
+#define PHY_DDR3_RTT_561ohm		(1)
+#define PHY_DDR3_RTT_282ohm		(2)
+#define PHY_DDR3_RTT_188ohm		(3)
+#define PHY_DDR3_RTT_141ohm		(4)
+#define PHY_DDR3_RTT_113ohm		(5)
+#define PHY_DDR3_RTT_94ohm		(6)
+#define PHY_DDR3_RTT_81ohm		(7)
+#define PHY_DDR3_RTT_72ohm		(16)
+#define PHY_DDR3_RTT_64ohm		(17)
+#define PHY_DDR3_RTT_58ohm		(18)
+#define PHY_DDR3_RTT_52ohm		(19)
+#define PHY_DDR3_RTT_48ohm		(20)
+#define PHY_DDR3_RTT_44ohm		(21)
+#define PHY_DDR3_RTT_41ohm		(22)
+#define PHY_DDR3_RTT_38ohm		(23)
+#define PHY_DDR3_RTT_37ohm		(24)
+#define PHY_DDR3_RTT_34ohm		(25)
+#define PHY_DDR3_RTT_32ohm		(26)
+#define PHY_DDR3_RTT_31ohm		(27)
+#define PHY_DDR3_RTT_29ohm		(28)
+#define PHY_DDR3_RTT_28ohm		(29)
+#define PHY_DDR3_RTT_27ohm		(30)
+#define PHY_DDR3_RTT_25ohm		(31)
+
+#define PHY_DDR4_LPDDR3_RON_DISABLE	(0)
+#define PHY_DDR4_LPDDR3_RON_482ohm	(1)
+#define PHY_DDR4_LPDDR3_RON_244ohm	(2)
+#define PHY_DDR4_LPDDR3_RON_162ohm	(3)
+#define PHY_DDR4_LPDDR3_RON_122ohm	(4)
+#define PHY_DDR4_LPDDR3_RON_97ohm	(5)
+#define PHY_DDR4_LPDDR3_RON_81ohm	(6)
+#define PHY_DDR4_LPDDR3_RON_69ohm	(7)
+#define PHY_DDR4_LPDDR3_RON_61ohm	(16)
+#define PHY_DDR4_LPDDR3_RON_54ohm	(17)
+#define PHY_DDR4_LPDDR3_RON_48ohm	(18)
+#define PHY_DDR4_LPDDR3_RON_44ohm	(19)
+#define PHY_DDR4_LPDDR3_RON_40ohm	(20)
+#define PHY_DDR4_LPDDR3_RON_37ohm	(21)
+#define PHY_DDR4_LPDDR3_RON_34ohm	(22)
+#define PHY_DDR4_LPDDR3_RON_32ohm	(23)
+#define PHY_DDR4_LPDDR3_RON_30ohm	(24)
+#define PHY_DDR4_LPDDR3_RON_28ohm	(25)
+#define PHY_DDR4_LPDDR3_RON_27ohm	(26)
+#define PHY_DDR4_LPDDR3_RON_25ohm	(27)
+#define PHY_DDR4_LPDDR3_RON_24ohm	(28)
+#define PHY_DDR4_LPDDR3_RON_23ohm	(29)
+#define PHY_DDR4_LPDDR3_RON_22ohm	(30)
+#define PHY_DDR4_LPDDR3_RON_21ohm	(31)
+
+#define PHY_DDR4_LPDDR3_RTT_DISABLE	(0)
+#define PHY_DDR4_LPDDR3_RTT_586ohm	(1)
+#define PHY_DDR4_LPDDR3_RTT_294ohm	(2)
+#define PHY_DDR4_LPDDR3_RTT_196ohm	(3)
+#define PHY_DDR4_LPDDR3_RTT_148ohm	(4)
+#define PHY_DDR4_LPDDR3_RTT_118ohm	(5)
+#define PHY_DDR4_LPDDR3_RTT_99ohm	(6)
+#define PHY_DDR4_LPDDR3_RTT_85ohm	(7)
+#define PHY_DDR4_LPDDR3_RTT_76ohm	(16)
+#define PHY_DDR4_LPDDR3_RTT_67ohm	(17)
+#define PHY_DDR4_LPDDR3_RTT_60ohm	(18)
+#define PHY_DDR4_LPDDR3_RTT_55ohm	(19)
+#define PHY_DDR4_LPDDR3_RTT_50ohm	(20)
+#define PHY_DDR4_LPDDR3_RTT_46ohm	(21)
+#define PHY_DDR4_LPDDR3_RTT_43ohm	(22)
+#define PHY_DDR4_LPDDR3_RTT_40ohm	(23)
+#define PHY_DDR4_LPDDR3_RTT_38ohm	(24)
+#define PHY_DDR4_LPDDR3_RTT_36ohm	(25)
+#define PHY_DDR4_LPDDR3_RTT_34ohm	(26)
+#define PHY_DDR4_LPDDR3_RTT_32ohm	(27)
+#define PHY_DDR4_LPDDR3_RTT_31ohm	(28)
+#define PHY_DDR4_LPDDR3_RTT_29ohm	(29)
+#define PHY_DDR4_LPDDR3_RTT_28ohm	(30)
+#define PHY_DDR4_LPDDR3_RTT_27ohm	(31)
+
+#define PHY_LPDDR4_RON_DISABLE		(0)
+#define PHY_LPDDR4_RON_501ohm		(1)
+#define PHY_LPDDR4_RON_253ohm		(2)
+#define PHY_LPDDR4_RON_168ohm		(3)
+#define PHY_LPDDR4_RON_126ohm		(4)
+#define PHY_LPDDR4_RON_101ohm		(5)
+#define PHY_LPDDR4_RON_84ohm		(6)
+#define PHY_LPDDR4_RON_72ohm		(7)
+#define PHY_LPDDR4_RON_63ohm		(16)
+#define PHY_LPDDR4_RON_56ohm		(17)
+#define PHY_LPDDR4_RON_50ohm		(18)
+#define PHY_LPDDR4_RON_46ohm		(19)
+#define PHY_LPDDR4_RON_42ohm		(20)
+#define PHY_LPDDR4_RON_38ohm		(21)
+#define PHY_LPDDR4_RON_36ohm		(22)
+#define PHY_LPDDR4_RON_33ohm		(23)
+#define PHY_LPDDR4_RON_31ohm		(24)
+#define PHY_LPDDR4_RON_29ohm		(25)
+#define PHY_LPDDR4_RON_28ohm		(26)
+#define PHY_LPDDR4_RON_26ohm		(27)
+#define PHY_LPDDR4_RON_25ohm		(28)
+#define PHY_LPDDR4_RON_24ohm		(29)
+#define PHY_LPDDR4_RON_23ohm		(30)
+#define PHY_LPDDR4_RON_22ohm		(31)
+
+#define PHY_LPDDR4_RTT_DISABLE		(0)
+#define PHY_LPDDR4_RTT_604ohm		(1)
+#define PHY_LPDDR4_RTT_303ohm		(2)
+#define PHY_LPDDR4_RTT_202ohm		(3)
+#define PHY_LPDDR4_RTT_152ohm		(4)
+#define PHY_LPDDR4_RTT_122ohm		(5)
+#define PHY_LPDDR4_RTT_101ohm		(6)
+#define PHY_LPDDR4_RTT_87ohm		(7)
+#define PHY_LPDDR4_RTT_78ohm		(16)
+#define PHY_LPDDR4_RTT_69ohm		(17)
+#define PHY_LPDDR4_RTT_62ohm		(18)
+#define PHY_LPDDR4_RTT_56ohm		(19)
+#define PHY_LPDDR4_RTT_52ohm		(20)
+#define PHY_LPDDR4_RTT_48ohm		(21)
+#define PHY_LPDDR4_RTT_44ohm		(22)
+#define PHY_LPDDR4_RTT_41ohm		(23)
+#define PHY_LPDDR4_RTT_39ohm		(24)
+#define PHY_LPDDR4_RTT_37ohm		(25)
+#define PHY_LPDDR4_RTT_35ohm		(26)
+#define PHY_LPDDR4_RTT_33ohm		(27)
+#define PHY_LPDDR4_RTT_32ohm		(28)
+#define PHY_LPDDR4_RTT_30ohm		(29)
+#define PHY_LPDDR4_RTT_29ohm		(30)
+#define PHY_LPDDR4_RTT_27ohm		(31)
+
+#define ADD_CMD_CA			(0x150)
+#define ADD_GROUP_CS0_A			(0x170)
+#define ADD_GROUP_CS0_B			(0x1d0)
+#define ADD_GROUP_CS1_A			(0x1a0)
+#define ADD_GROUP_CS1_B			(0x200)
+
+/* PMUGRF */
+#define PMUGRF_OS_REG0			(0x200)
+#define PMUGRF_OS_REG(n)		(PMUGRF_OS_REG0 + (n) * 4)
+#define PMUGRF_CON_DDRPHY_BUFFEREN_MASK		(0x3 << (12 + 16))
+#define PMUGRF_CON_DDRPHY_BUFFEREN_EN		(0x1 << 12)
+#define PMUGRF_CON_DDRPHY_BUFFEREN_DIS	(0x2 << 12)
+
+/* DDR GRF */
+#define DDR_GRF_CON(n)			(0 + (n) * 4)
+#define DDR_GRF_STATUS_BASE		(0X100)
+#define DDR_GRF_STATUS(n)		(DDR_GRF_STATUS_BASE + (n) * 4)
+#define DDR_GRF_LP_CON			(0x20)
+
+#define SPLIT_MODE_32_L16_VALID		(0)
+#define SPLIT_MODE_32_H16_VALID		(1)
+#define SPLIT_MODE_16_L8_VALID		(2)
+#define SPLIT_MODE_16_H8_VALID		(3)
+
+#define DDR_GRF_SPLIT_CON		(0x10)
+#define SPLIT_MODE_MASK			(0x3)
+#define SPLIT_MODE_OFFSET		(9)
+#define SPLIT_BYPASS_MASK		(1)
+#define SPLIT_BYPASS_OFFSET		(8)
+#define SPLIT_SIZE_MASK			(0xff)
+#define SPLIT_SIZE_OFFSET		(0)
+
+/* SGRF SOC_CON13 */
+#define UPCTL2_ASRSTN_REQ(n)		(((0x1 << 0) << 16) | ((n) << 0))
+#define UPCTL2_PSRSTN_REQ(n)		(((0x1 << 1) << 16) | ((n) << 1))
+#define UPCTL2_SRSTN_REQ(n)		(((0x1 << 2) << 16) | ((n) << 2))
+
+/* CRU define */
+/* CRU_PLL_CON0 */
+#define PB(n)				((0x1 << (15 + 16)) | ((n) << 15))
+#define POSTDIV1(n)			((0x7 << (12 + 16)) | ((n) << 12))
+#define FBDIV(n)			((0xFFF << 16) | (n))
+
+/* CRU_PLL_CON1 */
+#define RSTMODE(n)			((0x1 << (15 + 16)) | ((n) << 15))
+#define RST(n)				((0x1 << (14 + 16)) | ((n) << 14))
+#define PD(n)				((0x1 << (13 + 16)) | ((n) << 13))
+#define DSMPD(n)			((0x1 << (12 + 16)) | ((n) << 12))
+#define LOCK(n)				(((n) >> 10) & 0x1)
+#define POSTDIV2(n)			((0x7 << (6 + 16)) | ((n) << 6))
+#define REFDIV(n)			((0x3F << 16) | (n))
+
+/* CRU_PLL_CON3 */
+#define SSMOD_SPREAD(n)			((0x1f << (8 + 16)) | ((n) << 8))
+#define SSMOD_DIVVAL(n)			((0xf << (4 + 16)) | ((n) << 4))
+#define SSMOD_DOWNSPREAD(n)		((0x1 << (3 + 16)) | ((n) << 3))
+#define SSMOD_RESET(n)			((0x1 << (2 + 16)) | ((n) << 2))
+#define SSMOD_DIS_SSCG(n)		((0x1 << (1 + 16)) | ((n) << 1))
+#define SSMOD_BP(n)			((0x1 << (0 + 16)) | ((n) << 0))
+
+/* CRU_MODE */
+#define CLOCK_FROM_XIN_OSC		(0)
+#define CLOCK_FROM_PLL			(1)
+#define CLOCK_FROM_RTC_32K		(2)
+#define DPLL_MODE(n)			((0x3 << (2 + 16)) | ((n) << 2))
+
+/* CRU_SOFTRESET_CON1 */
+#define DDRPHY_PSRSTN_REQ(n)		(((0x1 << 14) << 16) | ((n) << 14))
+#define DDRPHY_SRSTN_REQ(n)		(((0x1 << 15) << 16) | ((n) << 15))
+/* CRU_CLKGATE_CON2 */
+#define DDR_MSCH_EN_MASK		((0x1 << 10) << 16)
+#define DDR_MSCH_EN_SHIFT		(10)
+
+/* CRU register */
+#define CRU_PLL_CON(pll_id, n)		((pll_id)  * 0x20 + (n) * 4)
+#define CRU_MODE			(0xa0)
+#define CRU_GLB_CNT_TH			(0xb0)
+#define CRU_CLKSEL_CON_BASE		0x100
+#define CRU_CLKSELS_CON(i)		(CRU_CLKSEL_CON_BASE + ((i) * 4))
+#define CRU_CLKGATE_CON_BASE		0x230
+#define CRU_CLKGATE_CON(i)		(CRU_CLKGATE_CON_BASE + ((i) * 4))
+#define CRU_CLKSFTRST_CON_BASE		0x300
+#define CRU_CLKSFTRST_CON(i)		(CRU_CLKSFTRST_CON_BASE + ((i) * 4))
+
+/* SGRF_SOC_CON2 */
+#define MSCH_AXI_BYPASS_ALL_MASK	(1)
+#define MSCH_AXI_BYPASS_ALL_SHIFT	(15)
+
+/* SGRF_SOC_CON12 */
+#define CLK_DDR_UPCTL_EN_MASK		((0x1 << 2) << 16)
+#define CLK_DDR_UPCTL_EN_SHIFT		(2)
+#define ACLK_DDR_UPCTL_EN_MASK		((0x1 << 0) << 16)
+#define ACLK_DDR_UPCTL_EN_SHIFT		(0)
+
+/* DDRGRF DDR CON2 */
+#define DFI_FREQ_CHANGE_ACK		BIT(10)
+/* DDRGRF status8 */
+#define DFI_FREQ_CHANGE_REQ		BIT(19)
+
+struct rv1126_ddrgrf {
+	u32 ddr_grf_con[4];
+	u32 grf_ddrsplit_con;
+	u32 reserved1[(0x20 - 0x10) / 4 - 1];
+	u32 ddr_grf_lp_con;
+	u32 reserved2[(0x40 - 0x20) / 4 - 1];
+	u32 grf_ddrphy_con[6];
+	u32 reserved3[(0x100 - 0x54) / 4 - 1];
+	u32 ddr_grf_status[18];
+	u32 reserved4[(0x150 - 0x144) / 4 - 1];
+	u32 grf_ddrhold_status;
+	u32 reserved5[(0x160 - 0x150) / 4 - 1];
+	u32 grf_ddrphy_status[2];
+};
+
+struct rv1126_ddr_phy_regs {
+	u32 phy[8][2];
+};
+
+struct msch_regs {
+	u32 coreid;
+	u32 revisionid;
+	u32 deviceconf;
+	u32 devicesize;
+	u32 ddrtiminga0;
+	u32 ddrtimingb0;
+	u32 ddrtimingc0;
+	u32 devtodev0;
+	u32 reserved1[(0x110 - 0x20) / 4];
+	u32 ddrmode;
+	u32 ddr4timing;
+	u32 reserved2[(0x1000 - 0x118) / 4];
+	u32 agingx0;
+	u32 reserved3[(0x1040 - 0x1004) / 4];
+	u32 aging0;
+	u32 aging1;
+	u32 aging2;
+	u32 aging3;
+};
+
+struct sdram_msch_timings {
+	union noc_ddrtiminga0 ddrtiminga0;
+	union noc_ddrtimingb0 ddrtimingb0;
+	union noc_ddrtimingc0 ddrtimingc0;
+	union noc_devtodev_rv1126 devtodev0;
+	union noc_ddrmode ddrmode;
+	union noc_ddr4timing ddr4timing;
+	u32 agingx0;
+	u32 aging0;
+	u32 aging1;
+	u32 aging2;
+	u32 aging3;
+};
+
+struct rv1126_sdram_channel {
+	struct sdram_cap_info cap_info;
+	struct sdram_msch_timings noc_timings;
+};
+
+struct rv1126_sdram_params {
+	struct rv1126_sdram_channel ch;
+	struct sdram_base_params base;
+	struct ddr_pctl_regs pctl_regs;
+	struct rv1126_ddr_phy_regs phy_regs;
+};
+
+struct rv1126_fsp_param {
+	u32 flag;
+	u32 freq_mhz;
+
+	/* dram size */
+	u32 dq_odt;
+	u32 ca_odt;
+	u32 ds_pdds;
+	u32 vref_ca[2];
+	u32 vref_dq[2];
+
+	/* phy side */
+	u32 wr_dq_drv;
+	u32 wr_ca_drv;
+	u32 wr_ckcs_drv;
+	u32 rd_odt;
+	u32 rd_odt_up_en;
+	u32 rd_odt_down_en;
+	u32 vref_inner;
+	u32 vref_out;
+	u32 lp4_drv_pd_en;
+
+	struct sdram_msch_timings noc_timings;
+};
+
+#define MAX_IDX			(4)
+#define FSP_FLAG		(0xfead0001)
+#define SHARE_MEM_BASE		(0x100000)
+/*
+ * Borrow share memory space to temporarily store FSP parame.
+ * In the stage of DDR init write FSP parame to this space.
+ * In the stage of trust init move FSP parame to SRAM space
+ * from share memory space.
+ */
+#define FSP_PARAM_STORE_ADDR	(SHARE_MEM_BASE)
+
+/* store result of read and write training, for ddr_dq_eye tool in u-boot */
+#define RW_TRN_RESULT_ADDR	(0x2000000 + 0x8000)	/* 32M + 32k */
+#define PRINT_STEP		1
+
+#undef FSP_NUM
+#undef CS_NUM
+#undef BYTE_NUM
+
+#define FSP_NUM			4
+#define CS_NUM			2
+#define BYTE_NUM		4
+#define RD_DESKEW_NUM		64
+#define WR_DESKEW_NUM		64
+
+#define LP4_WIDTH_REF_MHZ_H	1056
+#define LP4_RD_WIDTH_REF_H	12
+#define LP4_WR_WIDTH_REF_H	13
+
+#define LP4_WIDTH_REF_MHZ_L	924
+#define LP4_RD_WIDTH_REF_L	15
+#define LP4_WR_WIDTH_REF_L	15
+
+#define DDR4_WIDTH_REF_MHZ_H	1056
+#define DDR4_RD_WIDTH_REF_H	13
+#define DDR4_WR_WIDTH_REF_H	9
+
+#define DDR4_WIDTH_REF_MHZ_L	924
+#define DDR4_RD_WIDTH_REF_L	15
+#define DDR4_WR_WIDTH_REF_L	11
+
+#define LP3_WIDTH_REF_MHZ_H	1056
+#define LP3_RD_WIDTH_REF_H	15
+#define LP3_WR_WIDTH_REF_H	13
+
+#define LP3_WIDTH_REF_MHZ_L	924
+#define LP3_RD_WIDTH_REF_L	16
+#define LP3_WR_WIDTH_REF_L	15
+
+#define DDR3_WIDTH_REF_MHZ_H	1056
+#define DDR3_RD_WIDTH_REF_H	14
+#define DDR3_WR_WIDTH_REF_H	14
+
+#define DDR3_WIDTH_REF_MHZ_L	924
+#define DDR3_RD_WIDTH_REF_L	17
+#define DDR3_WR_WIDTH_REF_L	17
+
+#endif /* _ASM_ARCH_SDRAM_RK1126_H */
diff --git a/drivers/ram/rockchip/Makefile b/drivers/ram/rockchip/Makefile
index 6d530c29afd..98839ad6a6c 100644
--- a/drivers/ram/rockchip/Makefile
+++ b/drivers/ram/rockchip/Makefile
@@ -14,4 +14,5 @@ obj-$(CONFIG_ROCKCHIP_RK3308) = sdram_rk3308.o
 obj-$(CONFIG_ROCKCHIP_RK3328) = sdram_rk3328.o sdram_pctl_px30.o sdram_phy_px30.o
 obj-$(CONFIG_ROCKCHIP_RK3399) += sdram_rk3399.o
 obj-$(CONFIG_ROCKCHIP_RK3568) += sdram_rk3568.o
+obj-$(CONFIG_ROCKCHIP_RV1126) += sdram_rv1126.o sdram_pctl_px30.o
 obj-$(CONFIG_ROCKCHIP_SDRAM_COMMON) += sdram_common.o
diff --git a/drivers/ram/rockchip/sdram_rv1126.c b/drivers/ram/rockchip/sdram_rv1126.c
new file mode 100644
index 00000000000..2a57b194ae1
--- /dev/null
+++ b/drivers/ram/rockchip/sdram_rv1126.c
@@ -0,0 +1,3521 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * (C) Copyright 2020 Rockchip Electronics Co., Ltd.
+ * Copyright (c) 2022 Edgeble AI Technologies Pvt. Ltd.
+ */
+
+#include <common.h>
+#include <debug_uart.h>
+#include <dm.h>
+#include <ram.h>
+#include <syscon.h>
+#include <asm/io.h>
+#include <asm/arch-rockchip/clock.h>
+#include <asm/arch-rockchip/hardware.h>
+#include <asm/arch-rockchip/cru_rv1126.h>
+#include <asm/arch-rockchip/grf_rv1126.h>
+#include <asm/arch-rockchip/sdram_common.h>
+#include <asm/arch-rockchip/sdram_rv1126.h>
+#include <linux/delay.h>
+
+/* define training flag */
+#define CA_TRAINING			(0x1 << 0)
+#define READ_GATE_TRAINING		(0x1 << 1)
+#define WRITE_LEVELING			(0x1 << 2)
+#define WRITE_TRAINING			(0x1 << 3)
+#define READ_TRAINING			(0x1 << 4)
+#define FULL_TRAINING			(0xff)
+
+#define SKEW_RX_SIGNAL			(0)
+#define SKEW_TX_SIGNAL			(1)
+#define SKEW_CA_SIGNAL			(2)
+
+#define DESKEW_MDF_ABS_VAL		(0)
+#define DESKEW_MDF_DIFF_VAL		(1)
+
+struct dram_info {
+#if defined(CONFIG_TPL_BUILD) || \
+	(!defined(CONFIG_TPL) && defined(CONFIG_SPL_BUILD))
+	void __iomem *pctl;
+	void __iomem *phy;
+	struct rv1126_cru *cru;
+	struct msch_regs *msch;
+	struct rv1126_ddrgrf *ddrgrf;
+	struct rv1126_grf *grf;
+	u32 sr_idle;
+	u32 pd_idle;
+#endif
+	struct ram_info info;
+	struct rv1126_pmugrf *pmugrf;
+};
+
+#if defined(CONFIG_TPL_BUILD) || \
+	(!defined(CONFIG_TPL) && defined(CONFIG_SPL_BUILD))
+
+#define GRF_BASE_ADDR			0xfe000000
+#define PMU_GRF_BASE_ADDR		0xfe020000
+#define DDR_GRF_BASE_ADDR		0xfe030000
+#define BUS_SGRF_BASE_ADDR		0xfe0a0000
+#define SERVER_MSCH_BASE_ADDR		0xfe800000
+#define CRU_BASE_ADDR			0xff490000
+#define DDR_PHY_BASE_ADDR		0xff4a0000
+#define UPCTL2_BASE_ADDR		0xffa50000
+
+#define SGRF_SOC_CON2			0x8
+#define SGRF_SOC_CON12			0x30
+#define SGRF_SOC_CON13			0x34
+
+struct dram_info dram_info;
+
+struct rv1126_sdram_params sdram_configs[] = {
+# include	"sdram-rv1126-ddr3-detect-328.inc"
+# include	"sdram-rv1126-ddr3-detect-396.inc"
+# include	"sdram-rv1126-ddr3-detect-528.inc"
+# include	"sdram-rv1126-ddr3-detect-664.inc"
+# include	"sdram-rv1126-ddr3-detect-784.inc"
+# include	"sdram-rv1126-ddr3-detect-924.inc"
+# include	"sdram-rv1126-ddr3-detect-1056.inc"
+};
+
+u32 common_info[] = {
+#include	"sdram-rv1126-loader_params.inc"
+};
+
+#if defined(CONFIG_CMD_DDR_TEST_TOOL)
+static struct rw_trn_result rw_trn_result;
+#endif
+
+static struct rv1126_fsp_param fsp_param[MAX_IDX];
+
+static u8 lp3_odt_value;
+
+static s8 wrlvl_result[2][4];
+
+/* DDR configuration 0-9 */
+u16 ddr_cfg_2_rbc[] = {
+	((0 << 8) | (3 << 5) | (0 << 4) | (1 << 3) | 3), /* 0 */
+	((1 << 8) | (3 << 5) | (0 << 4) | (1 << 3) | 2), /* 1 */
+	((1 << 8) | (2 << 5) | (0 << 4) | (1 << 3) | 3), /* 2 */
+	((1 << 8) | (3 << 5) | (0 << 4) | (1 << 3) | 1), /* 3 */
+	((0 << 8) | (2 << 5) | (0 << 4) | (1 << 3) | 4), /* 4 */
+	((0 << 8) | (3 << 5) | (1 << 4) | (1 << 3) | 1), /* 5 */
+	((0 << 8) | (3 << 5) | (1 << 4) | (1 << 3) | 2), /* 6 */
+	((0 << 8) | (2 << 5) | (1 << 4) | (1 << 3) | 3), /* 7 */
+	((1 << 8) | (3 << 5) | (0 << 4) | (0 << 3) | 2), /* 8 */
+	((1 << 8) | (2 << 5) | (0 << 4) | (1 << 3) | 2) /* 9 */
+};
+
+/* DDR configuration 10-21 */
+u8 ddr4_cfg_2_rbc[] = {
+	((0 << 7) | (3 << 4) | (0 << 3) | (2 << 1) | 0), /* 10 */
+	((1 << 7) | (2 << 4) | (0 << 3) | (2 << 1) | 0), /* 11 */
+	((0 << 7) | (4 << 4) | (0 << 3) | (1 << 1) | 0), /* 12 */
+	((1 << 7) | (3 << 4) | (0 << 3) | (1 << 1) | 0), /* 13 */
+	((0 << 7) | (4 << 4) | (0 << 3) | (2 << 1) | 1), /* 14 */
+	((1 << 7) | (3 << 4) | (0 << 3) | (2 << 1) | 1), /* 15 */
+	((1 << 7) | (4 << 4) | (0 << 3) | (1 << 1) | 1), /* 16 */
+	((0 << 7) | (2 << 4) | (1 << 3) | (2 << 1) | 0), /* 17 */
+	((0 << 7) | (3 << 4) | (1 << 3) | (1 << 1) | 0), /* 18 */
+	((0 << 7) | (3 << 4) | (1 << 3) | (2 << 1) | 1), /* 19 */
+	((0 << 7) | (4 << 4) | (1 << 3) | (1 << 1) | 1), /* 20 */
+	((1 << 7) | (4 << 4) | (0 << 3) | (0 << 1) | 0) /* 21 */
+};
+
+/* DDR configuration 22-28 */
+u16 ddr_cfg_2_rbc_p2[] = {
+	((1 << 8) | (3 << 5) | (0 << 4) | (1 << 3) | 0), /* 22 */
+	((0 << 8) | (4 << 5) | (0 << 4) | (1 << 3) | 2), /* 23 */
+	((1 << 8) | (3 << 5) | (0 << 4) | (0 << 3) | 3), /* 24 */
+	((0 << 8) | (3 << 5) | (1 << 4) | (0 << 3) | 3), /* 25 */
+	((0 << 8) | (4 << 5) | (1 << 4) | (0 << 3) | 2), /* 26 */
+	((1 << 8) | (4 << 5) | (0 << 4) | (0 << 3) | 2), /* 27 */
+	((0 << 8) | (4 << 5) | (0 << 4) | (0 << 3) | 3) /* 28 */
+};
+
+u8 d4_rbc_2_d3_rbc[][2] = {
+	{10, 0},
+	{11, 2},
+	{12, 23},
+	{13, 1},
+	{14, 28},
+	{15, 24},
+	{16, 27},
+	{17, 7},
+	{18, 6},
+	{19, 25},
+	{20, 26},
+	{21, 3}
+};
+
+u32 addrmap[29][9] = {
+	{24, 0x00090909, 0x00000000, 0x00000000, 0x00001f00, 0x08080808,
+		0x08080808, 0x00000f0f, 0x3f3f}, /* 0 */
+	{23, 0x00080808, 0x00000000, 0x00000000, 0x00001f1f, 0x07070707,
+		0x07070707, 0x00000f0f, 0x3f3f}, /* 1 */
+	{23, 0x00090909, 0x00000000, 0x00000000, 0x00001f00, 0x08080808,
+		0x0f080808, 0x00000f0f, 0x3f3f}, /* 2 */
+	{22, 0x00070707, 0x00000000, 0x1f000000, 0x00001f1f, 0x06060606,
+		0x06060606, 0x00000f0f, 0x3f3f}, /* 3 */
+	{24, 0x000a0a0a, 0x00000000, 0x00000000, 0x00000000, 0x09090909,
+		0x0f090909, 0x00000f0f, 0x3f3f}, /* 4 */
+	{6, 0x00070707, 0x00000000, 0x1f000000, 0x00001f1f, 0x07070707,
+		0x07070707, 0x00000f0f, 0x3f3f}, /* 5 */
+	{7, 0x00080808, 0x00000000, 0x00000000, 0x00001f1f, 0x08080808,
+		0x08080808, 0x00000f0f, 0x3f3f}, /* 6 */
+	{8, 0x00090909, 0x00000000, 0x00000000, 0x00001f00, 0x09090909,
+		0x0f090909, 0x00000f0f, 0x3f3f}, /* 7 */
+	{22, 0x001f0808, 0x00000000, 0x00000000, 0x00001f1f, 0x06060606,
+		0x06060606, 0x00000f0f, 0x3f3f}, /* 8 */
+	{23, 0x00080808, 0x00000000, 0x00000000, 0x00001f1f, 0x07070707,
+		0x0f070707, 0x00000f0f, 0x3f3f}, /* 9 */
+
+	{24, 0x003f0a0a, 0x01010100, 0x01010101, 0x00001f1f, 0x08080808,
+		0x08080808, 0x00000f0f, 0x0801}, /* 10 */
+	{23, 0x003f0a0a, 0x01010100, 0x01010101, 0x00001f1f, 0x08080808,
+		0x0f080808, 0x00000f0f, 0x0801}, /* 11 */
+	{24, 0x003f0909, 0x00000007, 0x1f000000, 0x00001f1f, 0x07070707,
+		0x07070707, 0x00000f07, 0x0700}, /* 12 */
+	{23, 0x003f0909, 0x00000007, 0x1f000000, 0x00001f1f, 0x07070707,
+		0x07070707, 0x00000f0f, 0x0700}, /* 13 */
+	{24, 0x003f0909, 0x01010100, 0x01010101, 0x00001f1f, 0x07070707,
+		0x07070707, 0x00000f07, 0x3f01}, /* 14 */
+	{23, 0x003f0909, 0x01010100, 0x01010101, 0x00001f1f, 0x07070707,
+		0x07070707, 0x00000f0f, 0x3f01}, /* 15 */
+	{23, 0x003f0808, 0x00000007, 0x1f000000, 0x00001f1f, 0x06060606,
+		0x06060606, 0x00000f06, 0x3f00}, /* 16 */
+	{8, 0x003f0a0a, 0x01010100, 0x01010101, 0x00001f1f, 0x09090909,
+		0x0f090909, 0x00000f0f, 0x0801}, /* 17 */
+	{7, 0x003f0909, 0x00000007, 0x1f000000, 0x00001f1f, 0x08080808,
+		0x08080808, 0x00000f0f, 0x0700}, /* 18 */
+	{7, 0x003f0909, 0x01010100, 0x01010101, 0x00001f1f, 0x08080808,
+		0x08080808, 0x00000f0f, 0x3f01}, /* 19 */
+
+	{6, 0x003f0808, 0x00000007, 0x1f000000, 0x00001f1f, 0x07070707,
+		0x07070707, 0x00000f07, 0x3f00}, /* 20 */
+	{23, 0x003f0909, 0x00000006, 0x1f1f0000, 0x00001f1f, 0x06060606,
+		0x06060606, 0x00000f06, 0x0600}, /* 21 */
+	{21, 0x00060606, 0x00000000, 0x1f1f0000, 0x00001f1f, 0x05050505,
+		0x05050505, 0x00000f0f, 0x3f3f}, /* 22 */
+
+	{24, 0x00080808, 0x00000000, 0x00000000, 0x00001f1f, 0x07070707,
+		0x07070707, 0x00000f07, 0x3f3f}, /* 23 */
+	{23, 0x003f0909, 0x00000000, 0x00000000, 0x00001f00, 0x07070707,
+		0x07070707, 0x00000f0f, 0x3f3f}, /* 24 */
+	{7, 0x003f0909, 0x00000000, 0x00000000, 0x00001f00, 0x08080808,
+		0x08080808, 0x00000f0f, 0x3f3f}, /* 25 */
+	{6, 0x003f0808, 0x00000000, 0x00000000, 0x00001f1f, 0x07070707,
+		0x07070707, 0x00000f07, 0x3f3f}, /* 26 */
+	{23, 0x003f0808, 0x00000000, 0x00000000, 0x00001f1f, 0x06060606,
+		0x06060606, 0x00000f06, 0x3f3f}, /* 27 */
+	{24, 0x003f0909, 0x00000000, 0x00000000, 0x00001f00, 0x07070707,
+		0x07070707, 0x00000f07, 0x3f3f} /* 28 */
+};
+
+static u8 dq_sel[22][3] = {
+	{0x0, 0x17, 0x22},
+	{0x1, 0x18, 0x23},
+	{0x2, 0x19, 0x24},
+	{0x3, 0x1a, 0x25},
+	{0x4, 0x1b, 0x26},
+	{0x5, 0x1c, 0x27},
+	{0x6, 0x1d, 0x28},
+	{0x7, 0x1e, 0x29},
+	{0x8, 0x16, 0x21},
+	{0x9, 0x1f, 0x2a},
+	{0xa, 0x20, 0x2b},
+	{0x10, 0x1, 0xc},
+	{0x11, 0x2, 0xd},
+	{0x12, 0x3, 0xe},
+	{0x13, 0x4, 0xf},
+	{0x14, 0x5, 0x10},
+	{0x15, 0x6, 0x11},
+	{0x16, 0x7, 0x12},
+	{0x17, 0x8, 0x13},
+	{0x18, 0x0, 0xb},
+	{0x19, 0x9, 0x14},
+	{0x1a, 0xa, 0x15}
+};
+
+static u16 grp_addr[4] = {
+	ADD_GROUP_CS0_A,
+	ADD_GROUP_CS0_B,
+	ADD_GROUP_CS1_A,
+	ADD_GROUP_CS1_B
+};
+
+static u8 wrlvl_result_offset[2][4] = {
+	{0xa0 + 0x26, 0xa0 + 0x27, 0xd0 + 0x26, 0xd0 + 0x27},
+	{0xa0 + 0x28, 0xa0 + 0x29, 0xd0 + 0x28, 0xd0 + 0x29},
+};
+
+static u16 dqs_dq_skew_adr[16] = {
+	0x170 + 0,	/* SKEW_UPDATE_RX_CS0_DQS0 */
+	0x170 + 0xb,	/* SKEW_UPDATE_RX_CS0_DQS1 */
+	0x1d0 + 0,	/* SKEW_UPDATE_RX_CS0_DQS2 */
+	0x1d0 + 0xb,	/* SKEW_UPDATE_RX_CS0_DQS3 */
+	0x1a0 + 0,	/* SKEW_UPDATE_RX_CS1_DQS0 */
+	0x1a0 + 0xb,	/* SKEW_UPDATE_RX_CS1_DQS1 */
+	0x200 + 0,	/* SKEW_UPDATE_RX_CS1_DQS2 */
+	0x200 + 0xb,	/* SKEW_UPDATE_RX_CS1_DQS3 */
+	0x170 + 0x16,	/* SKEW_UPDATE_TX_CS0_DQS0 */
+	0x170 + 0x21,	/* SKEW_UPDATE_TX_CS0_DQS1 */
+	0x1d0 + 0x16,	/* SKEW_UPDATE_TX_CS0_DQS2 */
+	0x1d0 + 0x21,	/* SKEW_UPDATE_TX_CS0_DQS3 */
+	0x1a0 + 0x16,	/* SKEW_UPDATE_TX_CS1_DQS0 */
+	0x1a0 + 0x21,	/* SKEW_UPDATE_TX_CS1_DQS1 */
+	0x200 + 0x16,	/* SKEW_UPDATE_TX_CS1_DQS2 */
+	0x200 + 0x21,	/* SKEW_UPDATE_TX_CS1_DQS3 */
+};
+
+static void rkclk_ddr_reset(struct dram_info *dram,
+			    u32 ctl_srstn, u32 ctl_psrstn,
+			    u32 phy_srstn, u32 phy_psrstn)
+{
+	writel(UPCTL2_SRSTN_REQ(ctl_srstn) | UPCTL2_PSRSTN_REQ(ctl_psrstn) |
+	       UPCTL2_ASRSTN_REQ(ctl_srstn),
+	       BUS_SGRF_BASE_ADDR + SGRF_SOC_CON13);
+
+	writel(DDRPHY_SRSTN_REQ(phy_srstn) | DDRPHY_PSRSTN_REQ(phy_psrstn),
+	       &dram->cru->softrst_con[12]);
+}
+
+static void rkclk_set_dpll(struct dram_info *dram, unsigned int hz)
+{
+	unsigned int refdiv, postdiv1, postdiv2, fbdiv;
+	int delay = 1000;
+	u32 mhz = hz / MHz;
+	struct global_info *gbl_info;
+	struct sdram_head_info_index_v2 *index =
+		(struct sdram_head_info_index_v2 *)common_info;
+	u32 ssmod_info;
+	u32 dsmpd = 1;
+
+	gbl_info = (struct global_info *)((void *)common_info +
+		    index->global_index.offset * 4);
+	ssmod_info = gbl_info->info_2t;
+	refdiv = 1;
+	if (mhz <= 100) {
+		postdiv1 = 6;
+		postdiv2 = 4;
+	} else if (mhz <= 150) {
+		postdiv1 = 4;
+		postdiv2 = 4;
+	} else if (mhz <= 200) {
+		postdiv1 = 6;
+		postdiv2 = 2;
+	} else if (mhz <= 300) {
+		postdiv1 = 4;
+		postdiv2 = 2;
+	} else if (mhz <= 400) {
+		postdiv1 = 6;
+		postdiv2 = 1;
+	} else {
+		postdiv1 = 4;
+		postdiv2 = 1;
+	}
+	fbdiv = (mhz * refdiv * postdiv1 * postdiv2) / 24;
+
+	writel(DPLL_MODE(CLOCK_FROM_XIN_OSC), &dram->cru->mode);
+
+	writel(0x1f000000, &dram->cru->clksel_con[64]);
+	writel(POSTDIV1(postdiv1) | FBDIV(fbdiv), &dram->cru->pll[1].con0);
+	/* enable ssmod */
+	if (PLL_SSMOD_SPREAD(ssmod_info)) {
+		dsmpd = 0;
+		clrsetbits_le32(&dram->cru->pll[1].con2,
+				0xffffff << 0, 0x0 << 0);
+		writel(SSMOD_SPREAD(PLL_SSMOD_SPREAD(ssmod_info)) |
+		       SSMOD_DIVVAL(PLL_SSMOD_DIV(ssmod_info)) |
+		       SSMOD_DOWNSPREAD(PLL_SSMOD_DOWNSPREAD(ssmod_info)) |
+		       SSMOD_RESET(0) |
+		       SSMOD_DIS_SSCG(0) |
+		       SSMOD_BP(0),
+		       &dram->cru->pll[1].con3);
+	}
+	writel(DSMPD(dsmpd) | POSTDIV2(postdiv2) | REFDIV(refdiv),
+	       &dram->cru->pll[1].con1);
+
+	while (delay > 0) {
+		udelay(1);
+		if (LOCK(readl(&dram->cru->pll[1].con1)))
+			break;
+		delay--;
+	}
+
+	writel(DPLL_MODE(CLOCK_FROM_PLL), &dram->cru->mode);
+}
+
+static void rkclk_configure_ddr(struct dram_info *dram,
+				struct rv1126_sdram_params *sdram_params)
+{
+	/* for inno ddr phy need freq / 2 */
+	rkclk_set_dpll(dram, sdram_params->base.ddr_freq * MHZ / 2);
+}
+
+static unsigned int
+	calculate_ddrconfig(struct rv1126_sdram_params *sdram_params)
+{
+	struct sdram_cap_info *cap_info = &sdram_params->ch.cap_info;
+	u32 cs, bw, die_bw, col, row, bank;
+	u32 cs1_row;
+	u32 i, tmp;
+	u32 ddrconf = -1;
+	u32 row_3_4;
+
+	cs = cap_info->rank;
+	bw = cap_info->bw;
+	die_bw = cap_info->dbw;
+	col = cap_info->col;
+	row = cap_info->cs0_row;
+	cs1_row = cap_info->cs1_row;
+	bank = cap_info->bk;
+	row_3_4 = cap_info->row_3_4;
+
+	if (sdram_params->base.dramtype == DDR4) {
+		if (cs == 2 && row == cs1_row && !row_3_4) {
+			tmp = ((row - 13) << 4) | (1 << 3) | (bw << 1) |
+			      die_bw;
+			for (i = 17; i < 21; i++) {
+				if (((tmp & 0xf) ==
+				     (ddr4_cfg_2_rbc[i - 10] & 0xf)) &&
+				    ((tmp & 0x70) <=
+				     (ddr4_cfg_2_rbc[i - 10] & 0x70))) {
+					ddrconf = i;
+					goto out;
+				}
+			}
+		}
+
+		tmp = ((cs - 1) << 7) | ((row - 13) << 4) | (bw << 1) | die_bw;
+		for (i = 10; i < 21; i++) {
+			if (((tmp & 0xf) == (ddr4_cfg_2_rbc[i - 10] & 0xf)) &&
+			    ((tmp & 0x70) <= (ddr4_cfg_2_rbc[i - 10] & 0x70)) &&
+			    ((tmp & 0x80) <= (ddr4_cfg_2_rbc[i - 10] & 0x80))) {
+				ddrconf = i;
+				goto out;
+			}
+		}
+	} else {
+		if (cs == 2 && row == cs1_row && bank == 3) {
+			for (i = 5; i < 8; i++) {
+				if (((bw + col - 10) == (ddr_cfg_2_rbc[i] &
+							 0x7)) &&
+				    ((row - 13) << 5) <= (ddr_cfg_2_rbc[i] &
+							  (0x7 << 5))) {
+					ddrconf = i;
+					goto out;
+				}
+			}
+		}
+
+		tmp = ((cs - 1) << 8) | ((row - 13) << 5) |
+		      ((bw + col - 10) << 0);
+		if (bank == 3)
+			tmp |= (1 << 3);
+
+		for (i = 0; i < 9; i++)
+			if (((tmp & 0x1f) == (ddr_cfg_2_rbc[i] & 0x1f)) &&
+			    ((tmp & (7 << 5)) <=
+			     (ddr_cfg_2_rbc[i] & (7 << 5))) &&
+			    ((tmp & (1 << 8)) <=
+			     (ddr_cfg_2_rbc[i] & (1 << 8)))) {
+				ddrconf = i;
+				goto out;
+			}
+
+		for (i = 0; i < 7; i++)
+			if (((tmp & 0x1f) == (ddr_cfg_2_rbc_p2[i] & 0x1f)) &&
+			    ((tmp & (7 << 5)) <=
+			     (ddr_cfg_2_rbc_p2[i] & (7 << 5))) &&
+			    ((tmp & (1 << 8)) <=
+			     (ddr_cfg_2_rbc_p2[i] & (1 << 8)))) {
+				ddrconf = i + 22;
+				goto out;
+			}
+
+		if (cs == 1 && bank == 3 && row <= 17 &&
+		    (col + bw) == 12)
+			ddrconf = 23;
+	}
+
+out:
+	if (ddrconf > 28)
+		printascii("calculate ddrconfig error\n");
+
+	if (sdram_params->base.dramtype == DDR4) {
+		for (i = 0; i < ARRAY_SIZE(d4_rbc_2_d3_rbc) ; i++) {
+			if (ddrconf == d4_rbc_2_d3_rbc[i][0]) {
+				if (ddrconf == 21 && row > 16)
+					printascii("warn:ddrconf21 row > 16\n");
+				else
+					ddrconf = d4_rbc_2_d3_rbc[i][1];
+				break;
+			}
+		}
+	}
+
+	return ddrconf;
+}
+
+static void sw_set_req(struct dram_info *dram)
+{
+	void __iomem *pctl_base = dram->pctl;
+
+	/* clear sw_done=0 */
+	writel(PCTL2_SW_DONE_CLEAR, pctl_base + DDR_PCTL2_SWCTL);
+}
+
+static void sw_set_ack(struct dram_info *dram)
+{
+	void __iomem *pctl_base = dram->pctl;
+
+	/* set sw_done=1 */
+	writel(PCTL2_SW_DONE, pctl_base + DDR_PCTL2_SWCTL);
+	while (1) {
+		/* wait programming done */
+		if (readl(pctl_base + DDR_PCTL2_SWSTAT) &
+				PCTL2_SW_DONE_ACK)
+			break;
+	}
+}
+
+static void set_ctl_address_map(struct dram_info *dram,
+				struct rv1126_sdram_params *sdram_params)
+{
+	struct sdram_cap_info *cap_info = &sdram_params->ch.cap_info;
+	void __iomem *pctl_base = dram->pctl;
+	u32 ddrconf = cap_info->ddrconfig;
+	u32 i, row;
+
+	row = cap_info->cs0_row;
+	if (sdram_params->base.dramtype == DDR4) {
+		for (i = 0; i < ARRAY_SIZE(d4_rbc_2_d3_rbc) ; i++) {
+			if (ddrconf == d4_rbc_2_d3_rbc[i][1]) {
+				ddrconf = d4_rbc_2_d3_rbc[i][0];
+				break;
+			}
+		}
+	}
+
+	if (ddrconf >= ARRAY_SIZE(addrmap)) {
+		printascii("set ctl address map fail\n");
+		return;
+	}
+
+	sdram_copy_to_reg((u32 *)(pctl_base + DDR_PCTL2_ADDRMAP0),
+			  &addrmap[ddrconf][0], ARRAY_SIZE(addrmap[ddrconf]) * 4);
+
+	/* unused row set to 0xf */
+	for (i = 17; i >= row; i--)
+		setbits_le32(pctl_base + DDR_PCTL2_ADDRMAP6 +
+			((i - 12) * 8 / 32) * 4,
+			0xf << ((i - 12) * 8 % 32));
+
+	if (sdram_params->base.dramtype == LPDDR3 && cap_info->row_3_4)
+		setbits_le32(pctl_base + DDR_PCTL2_ADDRMAP6, 1 << 31);
+	if (sdram_params->base.dramtype == DDR4 && cap_info->bw == 0x1)
+		setbits_le32(pctl_base + DDR_PCTL2_PCCFG, 1 << 8);
+
+	if (cap_info->rank == 1)
+		clrsetbits_le32(pctl_base + DDR_PCTL2_ADDRMAP0, 0x1f, 0x1f);
+}
+
+static void phy_pll_set(struct dram_info *dram, u32 freq, u32 wait)
+{
+	void __iomem *phy_base = dram->phy;
+	u32 fbdiv, prediv, postdiv, postdiv_en;
+
+	if (wait) {
+		clrbits_le32(PHY_REG(phy_base, 0x53), PHY_PD_DISB);
+		while (!(readl(PHY_REG(phy_base, 0x90)) & PHY_PLL_LOCK))
+			continue;
+	} else {
+		freq /= MHz;
+		prediv = 1;
+		if (freq <= 200) {
+			fbdiv = 16;
+			postdiv = 2;
+			postdiv_en = 1;
+		} else if (freq <= 456) {
+			fbdiv = 8;
+			postdiv = 1;
+			postdiv_en = 1;
+		} else {
+			fbdiv = 4;
+			postdiv = 0;
+			postdiv_en = 0;
+		}
+		writel(fbdiv & 0xff, PHY_REG(phy_base, 0x50));
+		clrsetbits_le32(PHY_REG(phy_base, 0x51), PHY_PBDIV_BIT9_MASK,
+				(fbdiv >> 8) & 1);
+		clrsetbits_le32(PHY_REG(phy_base, 0x51), PHY_POSTDIV_EN_MASK,
+				postdiv_en << PHY_POSTDIV_EN_SHIFT);
+
+		clrsetbits_le32(PHY_REG(phy_base, 0x52),
+				PHY_PREDIV_MASK << PHY_PREDIV_SHIFT, prediv);
+		clrsetbits_le32(PHY_REG(phy_base, 0x53),
+				PHY_POSTDIV_MASK << PHY_POSTDIV_SHIFT,
+				postdiv << PHY_POSTDIV_SHIFT);
+	}
+}
+
+static const u16 d3_phy_drv_2_ohm[][2] = {
+	{PHY_DDR3_RON_455ohm, 455},
+	{PHY_DDR3_RON_230ohm, 230},
+	{PHY_DDR3_RON_153ohm, 153},
+	{PHY_DDR3_RON_115ohm, 115},
+	{PHY_DDR3_RON_91ohm, 91},
+	{PHY_DDR3_RON_76ohm, 76},
+	{PHY_DDR3_RON_65ohm, 65},
+	{PHY_DDR3_RON_57ohm, 57},
+	{PHY_DDR3_RON_51ohm, 51},
+	{PHY_DDR3_RON_46ohm, 46},
+	{PHY_DDR3_RON_41ohm, 41},
+	{PHY_DDR3_RON_38ohm, 38},
+	{PHY_DDR3_RON_35ohm, 35},
+	{PHY_DDR3_RON_32ohm, 32},
+	{PHY_DDR3_RON_30ohm, 30},
+	{PHY_DDR3_RON_28ohm, 28},
+	{PHY_DDR3_RON_27ohm, 27},
+	{PHY_DDR3_RON_25ohm, 25},
+	{PHY_DDR3_RON_24ohm, 24},
+	{PHY_DDR3_RON_23ohm, 23},
+	{PHY_DDR3_RON_22ohm, 22},
+	{PHY_DDR3_RON_21ohm, 21},
+	{PHY_DDR3_RON_20ohm, 20}
+};
+
+static u16 d3_phy_odt_2_ohm[][2] = {
+	{PHY_DDR3_RTT_DISABLE, 0},
+	{PHY_DDR3_RTT_561ohm, 561},
+	{PHY_DDR3_RTT_282ohm, 282},
+	{PHY_DDR3_RTT_188ohm, 188},
+	{PHY_DDR3_RTT_141ohm, 141},
+	{PHY_DDR3_RTT_113ohm, 113},
+	{PHY_DDR3_RTT_94ohm, 94},
+	{PHY_DDR3_RTT_81ohm, 81},
+	{PHY_DDR3_RTT_72ohm, 72},
+	{PHY_DDR3_RTT_64ohm, 64},
+	{PHY_DDR3_RTT_58ohm, 58},
+	{PHY_DDR3_RTT_52ohm, 52},
+	{PHY_DDR3_RTT_48ohm, 48},
+	{PHY_DDR3_RTT_44ohm, 44},
+	{PHY_DDR3_RTT_41ohm, 41},
+	{PHY_DDR3_RTT_38ohm, 38},
+	{PHY_DDR3_RTT_37ohm, 37},
+	{PHY_DDR3_RTT_34ohm, 34},
+	{PHY_DDR3_RTT_32ohm, 32},
+	{PHY_DDR3_RTT_31ohm, 31},
+	{PHY_DDR3_RTT_29ohm, 29},
+	{PHY_DDR3_RTT_28ohm, 28},
+	{PHY_DDR3_RTT_27ohm, 27},
+	{PHY_DDR3_RTT_25ohm, 25}
+};
+
+static u16 d4lp3_phy_drv_2_ohm[][2] = {
+	{PHY_DDR4_LPDDR3_RON_482ohm, 482},
+	{PHY_DDR4_LPDDR3_RON_244ohm, 244},
+	{PHY_DDR4_LPDDR3_RON_162ohm, 162},
+	{PHY_DDR4_LPDDR3_RON_122ohm, 122},
+	{PHY_DDR4_LPDDR3_RON_97ohm, 97},
+	{PHY_DDR4_LPDDR3_RON_81ohm, 81},
+	{PHY_DDR4_LPDDR3_RON_69ohm, 69},
+	{PHY_DDR4_LPDDR3_RON_61ohm, 61},
+	{PHY_DDR4_LPDDR3_RON_54ohm, 54},
+	{PHY_DDR4_LPDDR3_RON_48ohm, 48},
+	{PHY_DDR4_LPDDR3_RON_44ohm, 44},
+	{PHY_DDR4_LPDDR3_RON_40ohm, 40},
+	{PHY_DDR4_LPDDR3_RON_37ohm, 37},
+	{PHY_DDR4_LPDDR3_RON_34ohm, 34},
+	{PHY_DDR4_LPDDR3_RON_32ohm, 32},
+	{PHY_DDR4_LPDDR3_RON_30ohm, 30},
+	{PHY_DDR4_LPDDR3_RON_28ohm, 28},
+	{PHY_DDR4_LPDDR3_RON_27ohm, 27},
+	{PHY_DDR4_LPDDR3_RON_25ohm, 25},
+	{PHY_DDR4_LPDDR3_RON_24ohm, 24},
+	{PHY_DDR4_LPDDR3_RON_23ohm, 23},
+	{PHY_DDR4_LPDDR3_RON_22ohm, 22},
+	{PHY_DDR4_LPDDR3_RON_21ohm, 21}
+};
+
+static u16 d4lp3_phy_odt_2_ohm[][2] = {
+	{PHY_DDR4_LPDDR3_RTT_DISABLE, 0},
+	{PHY_DDR4_LPDDR3_RTT_586ohm, 586},
+	{PHY_DDR4_LPDDR3_RTT_294ohm, 294},
+	{PHY_DDR4_LPDDR3_RTT_196ohm, 196},
+	{PHY_DDR4_LPDDR3_RTT_148ohm, 148},
+	{PHY_DDR4_LPDDR3_RTT_118ohm, 118},
+	{PHY_DDR4_LPDDR3_RTT_99ohm, 99},
+	{PHY_DDR4_LPDDR3_RTT_85ohm, 58},
+	{PHY_DDR4_LPDDR3_RTT_76ohm, 76},
+	{PHY_DDR4_LPDDR3_RTT_67ohm, 67},
+	{PHY_DDR4_LPDDR3_RTT_60ohm, 60},
+	{PHY_DDR4_LPDDR3_RTT_55ohm, 55},
+	{PHY_DDR4_LPDDR3_RTT_50ohm, 50},
+	{PHY_DDR4_LPDDR3_RTT_46ohm, 46},
+	{PHY_DDR4_LPDDR3_RTT_43ohm, 43},
+	{PHY_DDR4_LPDDR3_RTT_40ohm, 40},
+	{PHY_DDR4_LPDDR3_RTT_38ohm, 38},
+	{PHY_DDR4_LPDDR3_RTT_36ohm, 36},
+	{PHY_DDR4_LPDDR3_RTT_34ohm, 34},
+	{PHY_DDR4_LPDDR3_RTT_32ohm, 32},
+	{PHY_DDR4_LPDDR3_RTT_31ohm, 31},
+	{PHY_DDR4_LPDDR3_RTT_29ohm, 29},
+	{PHY_DDR4_LPDDR3_RTT_28ohm, 28},
+	{PHY_DDR4_LPDDR3_RTT_27ohm, 27}
+};
+
+static u16 lp4_phy_drv_2_ohm[][2] = {
+	{PHY_LPDDR4_RON_501ohm, 501},
+	{PHY_LPDDR4_RON_253ohm, 253},
+	{PHY_LPDDR4_RON_168ohm, 168},
+	{PHY_LPDDR4_RON_126ohm, 126},
+	{PHY_LPDDR4_RON_101ohm, 101},
+	{PHY_LPDDR4_RON_84ohm, 84},
+	{PHY_LPDDR4_RON_72ohm, 72},
+	{PHY_LPDDR4_RON_63ohm, 63},
+	{PHY_LPDDR4_RON_56ohm, 56},
+	{PHY_LPDDR4_RON_50ohm, 50},
+	{PHY_LPDDR4_RON_46ohm, 46},
+	{PHY_LPDDR4_RON_42ohm, 42},
+	{PHY_LPDDR4_RON_38ohm, 38},
+	{PHY_LPDDR4_RON_36ohm, 36},
+	{PHY_LPDDR4_RON_33ohm, 33},
+	{PHY_LPDDR4_RON_31ohm, 31},
+	{PHY_LPDDR4_RON_29ohm, 29},
+	{PHY_LPDDR4_RON_28ohm, 28},
+	{PHY_LPDDR4_RON_26ohm, 26},
+	{PHY_LPDDR4_RON_25ohm, 25},
+	{PHY_LPDDR4_RON_24ohm, 24},
+	{PHY_LPDDR4_RON_23ohm, 23},
+	{PHY_LPDDR4_RON_22ohm, 22}
+};
+
+static u16 lp4_phy_odt_2_ohm[][2] = {
+	{PHY_LPDDR4_RTT_DISABLE, 0},
+	{PHY_LPDDR4_RTT_604ohm, 604},
+	{PHY_LPDDR4_RTT_303ohm, 303},
+	{PHY_LPDDR4_RTT_202ohm, 202},
+	{PHY_LPDDR4_RTT_152ohm, 152},
+	{PHY_LPDDR4_RTT_122ohm, 122},
+	{PHY_LPDDR4_RTT_101ohm, 101},
+	{PHY_LPDDR4_RTT_87ohm,	87},
+	{PHY_LPDDR4_RTT_78ohm, 78},
+	{PHY_LPDDR4_RTT_69ohm, 69},
+	{PHY_LPDDR4_RTT_62ohm, 62},
+	{PHY_LPDDR4_RTT_56ohm, 56},
+	{PHY_LPDDR4_RTT_52ohm, 52},
+	{PHY_LPDDR4_RTT_48ohm, 48},
+	{PHY_LPDDR4_RTT_44ohm, 44},
+	{PHY_LPDDR4_RTT_41ohm, 41},
+	{PHY_LPDDR4_RTT_39ohm, 39},
+	{PHY_LPDDR4_RTT_37ohm, 37},
+	{PHY_LPDDR4_RTT_35ohm, 35},
+	{PHY_LPDDR4_RTT_33ohm, 33},
+	{PHY_LPDDR4_RTT_32ohm, 32},
+	{PHY_LPDDR4_RTT_30ohm, 30},
+	{PHY_LPDDR4_RTT_29ohm, 29},
+	{PHY_LPDDR4_RTT_27ohm, 27}
+};
+
+static u32 lp4_odt_calc(u32 odt_ohm)
+{
+	u32 odt;
+
+	if (odt_ohm == 0)
+		odt = LPDDR4_DQODT_DIS;
+	else if (odt_ohm <= 40)
+		odt = LPDDR4_DQODT_40;
+	else if (odt_ohm <= 48)
+		odt = LPDDR4_DQODT_48;
+	else if (odt_ohm <= 60)
+		odt = LPDDR4_DQODT_60;
+	else if (odt_ohm <= 80)
+		odt = LPDDR4_DQODT_80;
+	else if (odt_ohm <= 120)
+		odt = LPDDR4_DQODT_120;
+	else
+		odt = LPDDR4_DQODT_240;
+
+	return odt;
+}
+
+static void *get_ddr_drv_odt_info(u32 dramtype)
+{
+	struct sdram_head_info_index_v2 *index =
+		(struct sdram_head_info_index_v2 *)common_info;
+	void *ddr_info = 0;
+
+	if (dramtype == DDR4)
+		ddr_info = (void *)common_info + index->ddr4_index.offset * 4;
+	else if (dramtype == DDR3)
+		ddr_info = (void *)common_info + index->ddr3_index.offset * 4;
+	else if (dramtype == LPDDR3)
+		ddr_info = (void *)common_info + index->lp3_index.offset * 4;
+	else if (dramtype == LPDDR4)
+		ddr_info = (void *)common_info + index->lp4_index.offset * 4;
+	else
+		printascii("unsupported dram type\n");
+	return ddr_info;
+}
+
+static void set_lp4_vref(struct dram_info *dram, struct lp4_info *lp4_info,
+			 u32 freq_mhz, u32 dst_fsp, u32 dramtype)
+{
+	void __iomem *pctl_base = dram->pctl;
+	u32 ca_vref, dq_vref;
+
+	if (freq_mhz <= LP4_CA_ODT_EN_FREQ(lp4_info->ca_odten_freq))
+		ca_vref = LP4_CA_VREF(lp4_info->vref_when_odtoff);
+	else
+		ca_vref = LP4_CA_VREF(lp4_info->vref_when_odten);
+
+	if (freq_mhz <= LP4_DQ_ODT_EN_FREQ(lp4_info->dq_odten_freq))
+		dq_vref = LP4_DQ_VREF(lp4_info->vref_when_odtoff);
+	else
+		dq_vref = LP4_DQ_VREF(lp4_info->vref_when_odten);
+
+	if (dramtype == LPDDR4) {
+		if (ca_vref < 100)
+			ca_vref = 100;
+		if (ca_vref > 420)
+			ca_vref = 420;
+
+		if (ca_vref <= 300)
+			ca_vref = (0 << 6) | (ca_vref - 100) / 4;
+		else
+			ca_vref = (1 << 6) | (ca_vref - 220) / 4;
+
+		if (dq_vref < 100)
+			dq_vref = 100;
+		if (dq_vref > 420)
+			dq_vref = 420;
+
+		if (dq_vref <= 300)
+			dq_vref = (0 << 6) | (dq_vref - 100) / 4;
+		else
+			dq_vref = (1 << 6) | (dq_vref - 220) / 4;
+	} else {
+		ca_vref = ca_vref * 11 / 6;
+		if (ca_vref < 150)
+			ca_vref = 150;
+		if (ca_vref > 629)
+			ca_vref = 629;
+
+		if (ca_vref <= 449)
+			ca_vref = (0 << 6) | (ca_vref - 150) / 4;
+		else
+			ca_vref = (1 << 6) | (ca_vref - 329) / 4;
+
+		if (dq_vref < 150)
+			dq_vref = 150;
+		if (dq_vref > 629)
+			dq_vref = 629;
+
+		if (dq_vref <= 449)
+			dq_vref = (0 << 6) | (dq_vref - 150) / 6;
+		else
+			dq_vref = (1 << 6) | (dq_vref - 329) / 6;
+	}
+	sw_set_req(dram);
+	clrsetbits_le32(pctl_base + UMCTL2_REGS_FREQ(dst_fsp) +
+			DDR_PCTL2_INIT6,
+			PCTL2_MR_MASK << PCTL2_LPDDR4_MR12_SHIFT,
+			ca_vref << PCTL2_LPDDR4_MR12_SHIFT);
+
+	clrsetbits_le32(pctl_base + UMCTL2_REGS_FREQ(dst_fsp) +
+			DDR_PCTL2_INIT7,
+			PCTL2_MR_MASK << PCTL2_LPDDR4_MR14_SHIFT,
+			dq_vref << PCTL2_LPDDR4_MR14_SHIFT);
+	sw_set_ack(dram);
+}
+
+static void set_ds_odt(struct dram_info *dram,
+		       struct rv1126_sdram_params *sdram_params, u32 dst_fsp)
+{
+	void __iomem *phy_base = dram->phy;
+	void __iomem *pctl_base = dram->pctl;
+	u32 dramtype = sdram_params->base.dramtype;
+	struct ddr2_3_4_lp2_3_info *ddr_info;
+	struct lp4_info *lp4_info;
+	u32 i, j, tmp;
+	const u16 (*p_drv)[2];
+	const u16 (*p_odt)[2];
+	u32 drv_info, sr_info;
+	u32 phy_dq_drv_ohm, phy_clk_drv_ohm, phy_ca_drv_ohm, dram_drv_ohm;
+	u32 phy_odt_ohm, dram_odt_ohm;
+	u32 lp4_pu_cal, phy_lp4_drv_pd_en;
+	u32 phy_odt_up_en, phy_odt_dn_en;
+	u32 sr_dq, sr_clk;
+	u32 freq = sdram_params->base.ddr_freq;
+	u32 mr1_mr3, mr11, mr22, vref_out, vref_inner;
+	u32 phy_clk_drv = 0, phy_odt = 0, phy_ca_drv = 0, dram_caodt_ohm = 0;
+	u32 phy_dq_drv = 0;
+	u32 phy_odt_up = 0, phy_odt_dn = 0;
+
+	ddr_info = get_ddr_drv_odt_info(dramtype);
+	lp4_info = (void *)ddr_info;
+
+	if (!ddr_info)
+		return;
+
+	/* dram odt en freq control phy drv, dram odt and phy sr */
+	if (freq <= DRAMODT_EN_FREQ(ddr_info->odten_freq)) {
+		drv_info = ddr_info->drv_when_odtoff;
+		dram_odt_ohm = 0;
+		sr_info = ddr_info->sr_when_odtoff;
+		phy_lp4_drv_pd_en =
+			PHY_LP4_DRV_PULLDOWN_EN_ODTOFF(lp4_info->odt_info);
+	} else {
+		drv_info = ddr_info->drv_when_odten;
+		dram_odt_ohm = ODT_INFO_DRAM_ODT(ddr_info->odt_info);
+		sr_info = ddr_info->sr_when_odten;
+		phy_lp4_drv_pd_en =
+			PHY_LP4_DRV_PULLDOWN_EN_ODTEN(lp4_info->odt_info);
+	}
+	phy_dq_drv_ohm =
+		DRV_INFO_PHY_DQ_DRV(drv_info);
+	phy_clk_drv_ohm =
+		DRV_INFO_PHY_CLK_DRV(drv_info);
+	phy_ca_drv_ohm =
+		DRV_INFO_PHY_CA_DRV(drv_info);
+
+	sr_dq = DQ_SR_INFO(sr_info);
+	sr_clk = CLK_SR_INFO(sr_info);
+
+	/* phy odt en freq control dram drv and phy odt */
+	if (freq <= PHYODT_EN_FREQ(ddr_info->odten_freq)) {
+		dram_drv_ohm = DRV_INFO_DRAM_DQ_DRV(ddr_info->drv_when_odtoff);
+		lp4_pu_cal = LP4_DRV_PU_CAL_ODTOFF(lp4_info->odt_info);
+		phy_odt_ohm = 0;
+		phy_odt_up_en = 0;
+		phy_odt_dn_en = 0;
+	} else {
+		dram_drv_ohm =
+			DRV_INFO_DRAM_DQ_DRV(ddr_info->drv_when_odten);
+		phy_odt_ohm = ODT_INFO_PHY_ODT(ddr_info->odt_info);
+		phy_odt_up_en =
+			ODT_INFO_PULLUP_EN(ddr_info->odt_info);
+		phy_odt_dn_en =
+			ODT_INFO_PULLDOWN_EN(ddr_info->odt_info);
+		lp4_pu_cal = LP4_DRV_PU_CAL_ODTEN(lp4_info->odt_info);
+	}
+
+	if (dramtype == LPDDR4) {
+		if (phy_odt_ohm) {
+			phy_odt_up_en = 0;
+			phy_odt_dn_en = 1;
+		}
+		if (freq <= LP4_CA_ODT_EN_FREQ(lp4_info->ca_odten_freq))
+			dram_caodt_ohm = 0;
+		else
+			dram_caodt_ohm =
+				ODT_INFO_LP4_CA_ODT(lp4_info->odt_info);
+	}
+
+	if (dramtype == DDR3) {
+		p_drv = d3_phy_drv_2_ohm;
+		p_odt = d3_phy_odt_2_ohm;
+	} else if (dramtype == LPDDR4) {
+		p_drv = lp4_phy_drv_2_ohm;
+		p_odt = lp4_phy_odt_2_ohm;
+	} else {
+		p_drv = d4lp3_phy_drv_2_ohm;
+		p_odt = d4lp3_phy_odt_2_ohm;
+	}
+
+	for (i = ARRAY_SIZE(d3_phy_drv_2_ohm) - 1; ; i--) {
+		if (phy_dq_drv_ohm <= *(*(p_drv + i) + 1)) {
+			phy_dq_drv = **(p_drv + i);
+			break;
+		}
+		if (i == 0)
+			break;
+	}
+	for (i = ARRAY_SIZE(d3_phy_drv_2_ohm) - 1; ; i--) {
+		if (phy_clk_drv_ohm <= *(*(p_drv + i) + 1)) {
+			phy_clk_drv = **(p_drv + i);
+			break;
+		}
+		if (i == 0)
+			break;
+	}
+	for (i = ARRAY_SIZE(d3_phy_drv_2_ohm) - 1; ; i--) {
+		if (phy_ca_drv_ohm <= *(*(p_drv + i) + 1)) {
+			phy_ca_drv = **(p_drv + i);
+			break;
+		}
+		if (i == 0)
+			break;
+	}
+	if (!phy_odt_ohm)
+		phy_odt = 0;
+	else
+		for (i = ARRAY_SIZE(d4lp3_phy_odt_2_ohm) - 1; ; i--) {
+			if (phy_odt_ohm <= *(*(p_odt + i) + 1)) {
+				phy_odt = **(p_odt + i);
+				break;
+			}
+			if (i == 0)
+				break;
+		}
+
+	if (dramtype != LPDDR4) {
+		if (!phy_odt_ohm || (phy_odt_up_en && phy_odt_dn_en))
+			vref_inner = 0x80;
+		else if (phy_odt_up_en)
+			vref_inner = (2 * dram_drv_ohm + phy_odt_ohm) * 128 /
+				     (dram_drv_ohm + phy_odt_ohm);
+		else
+			vref_inner = phy_odt_ohm * 128 /
+				(phy_odt_ohm + dram_drv_ohm);
+
+		if (dramtype != DDR3 && dram_odt_ohm)
+			vref_out = (2 * phy_dq_drv_ohm + dram_odt_ohm) * 128 /
+				   (phy_dq_drv_ohm + dram_odt_ohm);
+		else
+			vref_out = 0x80;
+	} else {
+		/* for lp4 and lp4x*/
+		if (phy_odt_ohm)
+			vref_inner =
+				(PHY_LP4_DQ_VREF(lp4_info->vref_when_odten) *
+				 256) / 1000;
+		else
+			vref_inner =
+				(PHY_LP4_DQ_VREF(lp4_info->vref_when_odtoff) *
+				 256) / 1000;
+
+		vref_out = 0x80;
+	}
+
+	/* default ZQCALIB bypass mode */
+	clrsetbits_le32(PHY_REG(phy_base, 0x100), 0x1f, phy_ca_drv);
+	clrsetbits_le32(PHY_REG(phy_base, 0x101), 0x1f, phy_ca_drv);
+	clrsetbits_le32(PHY_REG(phy_base, 0x102), 0x1f, phy_clk_drv);
+	clrsetbits_le32(PHY_REG(phy_base, 0x103), 0x1f, phy_clk_drv);
+	if (dramtype == LPDDR4) {
+		clrsetbits_le32(PHY_REG(phy_base, 0x107), 0x1f, phy_clk_drv);
+		clrsetbits_le32(PHY_REG(phy_base, 0x108), 0x1f, phy_clk_drv);
+	} else {
+		clrsetbits_le32(PHY_REG(phy_base, 0x107), 0x1f, phy_ca_drv);
+		clrsetbits_le32(PHY_REG(phy_base, 0x108), 0x1f, phy_ca_drv);
+	}
+	/* clk / cmd slew rate */
+	clrsetbits_le32(PHY_REG(phy_base, 0x106), 0x1f, sr_clk);
+
+	phy_lp4_drv_pd_en = (~phy_lp4_drv_pd_en) & 1;
+	if (phy_odt_up_en)
+		phy_odt_up = phy_odt;
+	if (phy_odt_dn_en)
+		phy_odt_dn = phy_odt;
+
+	for (i = 0; i < 4; i++) {
+		j = 0x110 + i * 0x10;
+		clrsetbits_le32(PHY_REG(phy_base, j + 1), 0x1f, phy_odt_up);
+		clrsetbits_le32(PHY_REG(phy_base, j), 0x1f, phy_odt_dn);
+		clrsetbits_le32(PHY_REG(phy_base, j + 2), 0x1f, phy_dq_drv);
+		clrsetbits_le32(PHY_REG(phy_base, j + 3), 0x1f, phy_dq_drv);
+		writel(vref_inner, PHY_REG(phy_base, 0x118 + i * 0x10));
+
+		clrsetbits_le32(PHY_REG(phy_base, 0x114 + i * 0x10),
+				1 << 3, phy_lp4_drv_pd_en << 3);
+		if (dramtype == LPDDR4)
+			clrbits_le32(PHY_REG(phy_base, 0x114 + i * 0x10), BIT(5));
+		/* dq slew rate */
+		clrsetbits_le32(PHY_REG(phy_base, 0x117 + i * 0x10),
+				0x1f, sr_dq);
+	}
+
+	/* reg_rx_vref_value_update */
+	setbits_le32(PHY_REG(phy_base, 0x71), 1 << 5);
+	clrbits_le32(PHY_REG(phy_base, 0x71), 1 << 5);
+
+	/* RAM VREF */
+	writel(vref_out, PHY_REG(phy_base, 0x105));
+	if (dramtype == LPDDR3)
+		udelay(100);
+
+	if (dramtype == LPDDR4)
+		set_lp4_vref(dram, lp4_info, freq, dst_fsp, dramtype);
+
+	if (dramtype == DDR3 || dramtype == DDR4) {
+		mr1_mr3 = readl(pctl_base + UMCTL2_REGS_FREQ(dst_fsp) +
+				DDR_PCTL2_INIT3);
+		mr1_mr3 = mr1_mr3 >> PCTL2_DDR34_MR1_SHIFT & PCTL2_MR_MASK;
+	} else {
+		mr1_mr3 = readl(pctl_base + UMCTL2_REGS_FREQ(dst_fsp) +
+				DDR_PCTL2_INIT4);
+		mr1_mr3 = mr1_mr3 >> PCTL2_LPDDR234_MR3_SHIFT & PCTL2_MR_MASK;
+	}
+
+	if (dramtype == DDR3) {
+		mr1_mr3 &= ~(DDR3_DS_MASK | DDR3_RTT_NOM_MASK);
+		if (dram_drv_ohm == 34)
+			mr1_mr3 |= DDR3_DS_34;
+
+		if (dram_odt_ohm == 0)
+			mr1_mr3 |= DDR3_RTT_NOM_DIS;
+		else if (dram_odt_ohm <= 40)
+			mr1_mr3 |= DDR3_RTT_NOM_40;
+		else if (dram_odt_ohm <= 60)
+			mr1_mr3 |= DDR3_RTT_NOM_60;
+		else
+			mr1_mr3 |= DDR3_RTT_NOM_120;
+
+	} else if (dramtype == DDR4) {
+		mr1_mr3 &= ~(DDR4_DS_MASK | DDR4_RTT_NOM_MASK);
+		if (dram_drv_ohm == 48)
+			mr1_mr3 |= DDR4_DS_48;
+
+		if (dram_odt_ohm == 0)
+			mr1_mr3 |= DDR4_RTT_NOM_DIS;
+		else if (dram_odt_ohm <= 34)
+			mr1_mr3 |= DDR4_RTT_NOM_34;
+		else if (dram_odt_ohm <= 40)
+			mr1_mr3 |= DDR4_RTT_NOM_40;
+		else if (dram_odt_ohm <= 48)
+			mr1_mr3 |= DDR4_RTT_NOM_48;
+		else if (dram_odt_ohm <= 60)
+			mr1_mr3 |= DDR4_RTT_NOM_60;
+		else
+			mr1_mr3 |= DDR4_RTT_NOM_120;
+
+	} else if (dramtype == LPDDR3) {
+		if (dram_drv_ohm <= 34)
+			mr1_mr3 |= LPDDR3_DS_34;
+		else if (dram_drv_ohm <= 40)
+			mr1_mr3 |= LPDDR3_DS_40;
+		else if (dram_drv_ohm <= 48)
+			mr1_mr3 |= LPDDR3_DS_48;
+		else if (dram_drv_ohm <= 60)
+			mr1_mr3 |= LPDDR3_DS_60;
+		else if (dram_drv_ohm <= 80)
+			mr1_mr3 |= LPDDR3_DS_80;
+
+		if (dram_odt_ohm == 0)
+			lp3_odt_value = LPDDR3_ODT_DIS;
+		else if (dram_odt_ohm <= 60)
+			lp3_odt_value = LPDDR3_ODT_60;
+		else if (dram_odt_ohm <= 120)
+			lp3_odt_value = LPDDR3_ODT_120;
+		else
+			lp3_odt_value = LPDDR3_ODT_240;
+	} else {/* for lpddr4 and lpddr4x */
+		/* MR3 for lp4 PU-CAL and PDDS */
+		mr1_mr3 &= ~(LPDDR4_PDDS_MASK | LPDDR4_PU_CAL_MASK);
+		mr1_mr3 |= lp4_pu_cal;
+
+		tmp = lp4_odt_calc(dram_drv_ohm);
+		if (!tmp)
+			tmp = LPDDR4_PDDS_240;
+		mr1_mr3 |= (tmp << LPDDR4_PDDS_SHIFT);
+
+		/* MR11 for lp4 ca odt, dq odt set */
+		mr11 = readl(pctl_base + UMCTL2_REGS_FREQ(dst_fsp) +
+			     DDR_PCTL2_INIT6);
+		mr11 = mr11 >> PCTL2_LPDDR4_MR11_SHIFT & PCTL2_MR_MASK;
+
+		mr11 &= ~(LPDDR4_DQODT_MASK | LPDDR4_CAODT_MASK);
+
+		tmp = lp4_odt_calc(dram_odt_ohm);
+		mr11 |= (tmp << LPDDR4_DQODT_SHIFT);
+
+		tmp = lp4_odt_calc(dram_caodt_ohm);
+		mr11 |= (tmp << LPDDR4_CAODT_SHIFT);
+		sw_set_req(dram);
+		clrsetbits_le32(pctl_base + UMCTL2_REGS_FREQ(dst_fsp) +
+				DDR_PCTL2_INIT6,
+				PCTL2_MR_MASK << PCTL2_LPDDR4_MR11_SHIFT,
+				mr11 << PCTL2_LPDDR4_MR11_SHIFT);
+		sw_set_ack(dram);
+
+		/* MR22 for soc odt/odt-ck/odt-cs/odt-ca */
+		mr22 = readl(pctl_base + UMCTL2_REGS_FREQ(dst_fsp) +
+			     DDR_PCTL2_INIT7);
+		mr22 = mr22 >> PCTL2_LPDDR4_MR22_SHIFT & PCTL2_MR_MASK;
+		mr22 &= ~LPDDR4_SOC_ODT_MASK;
+
+		tmp = lp4_odt_calc(phy_odt_ohm);
+		mr22 |= tmp;
+		mr22 = mr22 |
+		       (LP4_ODTE_CK_EN(lp4_info->cs_drv_ca_odt_info) <<
+			LPDDR4_ODTE_CK_SHIFT) |
+		       (LP4_ODTE_CS_EN(lp4_info->cs_drv_ca_odt_info) <<
+			LPDDR4_ODTE_CS_SHIFT) |
+		       (LP4_ODTD_CA_EN(lp4_info->cs_drv_ca_odt_info) <<
+			LPDDR4_ODTD_CA_SHIFT);
+
+		sw_set_req(dram);
+		clrsetbits_le32(pctl_base + UMCTL2_REGS_FREQ(dst_fsp) +
+				DDR_PCTL2_INIT7,
+				PCTL2_MR_MASK << PCTL2_LPDDR4_MR22_SHIFT,
+				mr22 << PCTL2_LPDDR4_MR22_SHIFT);
+		sw_set_ack(dram);
+	}
+
+	if (dramtype == DDR4 || dramtype == DDR3) {
+		sw_set_req(dram);
+		clrsetbits_le32(pctl_base + UMCTL2_REGS_FREQ(dst_fsp) +
+				DDR_PCTL2_INIT3,
+				PCTL2_MR_MASK << PCTL2_DDR34_MR1_SHIFT,
+				mr1_mr3 << PCTL2_DDR34_MR1_SHIFT);
+		sw_set_ack(dram);
+	} else {
+		sw_set_req(dram);
+		clrsetbits_le32(pctl_base + UMCTL2_REGS_FREQ(dst_fsp) +
+				DDR_PCTL2_INIT4,
+				PCTL2_MR_MASK << PCTL2_LPDDR234_MR3_SHIFT,
+				mr1_mr3 << PCTL2_LPDDR234_MR3_SHIFT);
+		sw_set_ack(dram);
+	}
+}
+
+static int sdram_cmd_dq_path_remap(struct dram_info *dram,
+				   struct rv1126_sdram_params *sdram_params)
+{
+	void __iomem *phy_base = dram->phy;
+	u32 dramtype = sdram_params->base.dramtype;
+	struct sdram_head_info_index_v2 *index =
+		(struct sdram_head_info_index_v2 *)common_info;
+	struct dq_map_info *map_info;
+
+	map_info = (struct dq_map_info *)((void *)common_info +
+		index->dq_map_index.offset * 4);
+
+	if (dramtype <= LPDDR4)
+		writel((map_info->byte_map[dramtype / 4] >>
+			((dramtype % 4) * 8)) & 0xff,
+		       PHY_REG(phy_base, 0x4f));
+
+	return 0;
+}
+
+static void phy_cfg(struct dram_info *dram,
+		    struct rv1126_sdram_params *sdram_params)
+{
+	struct sdram_cap_info *cap_info = &sdram_params->ch.cap_info;
+	void __iomem *phy_base = dram->phy;
+	u32 i, dq_map, tmp;
+	u32 byte1 = 0, byte0 = 0;
+
+	sdram_cmd_dq_path_remap(dram, sdram_params);
+
+	phy_pll_set(dram, sdram_params->base.ddr_freq * MHZ, 0);
+	for (i = 0; sdram_params->phy_regs.phy[i][0] != 0xFFFFFFFF; i++) {
+		writel(sdram_params->phy_regs.phy[i][1],
+		       phy_base + sdram_params->phy_regs.phy[i][0]);
+	}
+
+	clrbits_le32(PHY_REG(phy_base, 0x62), BIT(5));
+	dq_map = readl(PHY_REG(phy_base, 0x4f));
+	for (i = 0; i < 4; i++) {
+		if (((dq_map >> (i * 2)) & 0x3) == 0)
+			byte0 = i;
+		if (((dq_map >> (i * 2)) & 0x3) == 1)
+			byte1 = i;
+	}
+
+	tmp = readl(PHY_REG(phy_base, 0xf)) & (~PHY_DQ_WIDTH_MASK);
+	if (cap_info->bw == 2)
+		tmp |= 0xf;
+	else if (cap_info->bw == 1)
+		tmp |= ((1 << byte0) | (1 << byte1));
+	else
+		tmp |= (1 << byte0);
+
+	writel(tmp, PHY_REG(phy_base, 0xf));
+
+	/* lpddr4 odt control by phy, enable cs0 odt */
+	if (sdram_params->base.dramtype == LPDDR4)
+		clrsetbits_le32(PHY_REG(phy_base, 0x20), 0x7 << 4,
+				(1 << 6) | (1 << 4));
+	/* for ca training ca vref choose range1 */
+	setbits_le32(PHY_REG(phy_base, 0x1e), BIT(6));
+	setbits_le32(PHY_REG(phy_base, 0x1f), BIT(6));
+	/* for wr training PHY_0x7c[5], choose range0 */
+	clrbits_le32(PHY_REG(phy_base, 0x7c), BIT(5));
+}
+
+static int update_refresh_reg(struct dram_info *dram)
+{
+	void __iomem *pctl_base = dram->pctl;
+	u32 ret;
+
+	ret = readl(pctl_base + DDR_PCTL2_RFSHCTL3) ^ (1 << 1);
+	writel(ret, pctl_base + DDR_PCTL2_RFSHCTL3);
+
+	return 0;
+}
+
+/*
+ * rank = 1: cs0
+ * rank = 2: cs1
+ */
+int read_mr(struct dram_info *dram, u32 rank, u32 mr_num, u32 dramtype)
+{
+	u32 ret;
+	u32 i, temp;
+	u32 dqmap;
+
+	void __iomem *pctl_base = dram->pctl;
+	struct sdram_head_info_index_v2 *index =
+		(struct sdram_head_info_index_v2 *)common_info;
+	struct dq_map_info *map_info;
+
+	map_info = (struct dq_map_info *)((void *)common_info +
+		index->dq_map_index.offset * 4);
+
+	if (dramtype == LPDDR2)
+		dqmap = map_info->lp2_dq0_7_map;
+	else
+		dqmap = map_info->lp3_dq0_7_map;
+
+	pctl_read_mr(pctl_base, rank, mr_num);
+
+	ret = (readl(&dram->ddrgrf->ddr_grf_status[0]) & 0xff);
+
+	if (dramtype != LPDDR4) {
+		temp = 0;
+		for (i = 0; i < 8; i++) {
+			temp = temp | (((ret >> i) & 0x1) <<
+				       ((dqmap >> (i * 4)) & 0xf));
+		}
+	} else {
+		temp = (readl(&dram->ddrgrf->ddr_grf_status[1]) & 0xff);
+	}
+
+	return temp;
+}
+
+/* before call this function autorefresh should be disabled */
+void send_a_refresh(struct dram_info *dram)
+{
+	void __iomem *pctl_base = dram->pctl;
+
+	while (readl(pctl_base + DDR_PCTL2_DBGSTAT) & 0x3)
+		continue;
+	writel(0x3, pctl_base + DDR_PCTL2_DBGCMD);
+}
+
+static void enter_sr(struct dram_info *dram, u32 en)
+{
+	void __iomem *pctl_base = dram->pctl;
+
+	if (en) {
+		setbits_le32(pctl_base + DDR_PCTL2_PWRCTL, PCTL2_SELFREF_SW);
+		while (1) {
+			if (((readl(pctl_base + DDR_PCTL2_STAT) &
+			      PCTL2_SELFREF_TYPE_MASK) ==
+			     PCTL2_SELFREF_TYPE_SR_NOT_AUTO) &&
+			    ((readl(pctl_base + DDR_PCTL2_STAT) &
+			      PCTL2_OPERATING_MODE_MASK) ==
+			     PCTL2_OPERATING_MODE_SR))
+				break;
+		}
+	} else {
+		clrbits_le32(pctl_base + DDR_PCTL2_PWRCTL, PCTL2_SELFREF_SW);
+		while ((readl(pctl_base + DDR_PCTL2_STAT) &
+		       PCTL2_OPERATING_MODE_MASK) == PCTL2_OPERATING_MODE_SR)
+			continue;
+	}
+}
+
+void record_dq_prebit(struct dram_info *dram)
+{
+	u32 group, i, tmp;
+	void __iomem *phy_base = dram->phy;
+
+	for (group = 0; group < 4; group++) {
+		for (i = 0; i < ARRAY_SIZE(dq_sel); i++) {
+			/* l_loop_invdelaysel */
+			writel(dq_sel[i][0], PHY_REG(phy_base,
+						     grp_addr[group] + 0x2c));
+			tmp = readl(PHY_REG(phy_base, grp_addr[group] + 0x2e));
+			writel(tmp, PHY_REG(phy_base,
+					    grp_addr[group] + dq_sel[i][1]));
+
+			/* r_loop_invdelaysel */
+			writel(dq_sel[i][0], PHY_REG(phy_base,
+						     grp_addr[group] + 0x2d));
+			tmp = readl(PHY_REG(phy_base, grp_addr[group] + 0x2f));
+			writel(tmp, PHY_REG(phy_base,
+					    grp_addr[group] + dq_sel[i][2]));
+		}
+	}
+}
+
+static void update_dq_rx_prebit(struct dram_info *dram)
+{
+	void __iomem *phy_base = dram->phy;
+
+	clrsetbits_le32(PHY_REG(phy_base, 0x70), BIT(1) | BIT(6) | BIT(4),
+			BIT(4));
+	udelay(1);
+	clrbits_le32(PHY_REG(phy_base, 0x70), BIT(4));
+}
+
+static void update_dq_tx_prebit(struct dram_info *dram)
+{
+	void __iomem *phy_base = dram->phy;
+
+	clrbits_le32(PHY_REG(phy_base, 0x7a), BIT(1));
+	setbits_le32(PHY_REG(phy_base, 0x2), BIT(3));
+	setbits_le32(PHY_REG(phy_base, 0xc), BIT(6));
+	udelay(1);
+	clrbits_le32(PHY_REG(phy_base, 0xc), BIT(6));
+}
+
+static void update_ca_prebit(struct dram_info *dram)
+{
+	void __iomem *phy_base = dram->phy;
+
+	clrbits_le32(PHY_REG(phy_base, 0x25), BIT(2));
+	setbits_le32(PHY_REG(phy_base, 0x22), BIT(6));
+	udelay(1);
+	clrbits_le32(PHY_REG(phy_base, 0x22), BIT(6));
+}
+
+/*
+ * dir: 0: de-skew = delta_*
+ *	1: de-skew = reg val - delta_*
+ * delta_dir: value for differential signal: clk/
+ * delta_sig: value for single signal: ca/cmd
+ */
+static void modify_ca_deskew(struct dram_info *dram, u32 dir, int delta_dif,
+			     int delta_sig, u32 cs, u32 dramtype)
+{
+	void __iomem *phy_base = dram->phy;
+	u32 i, cs_en, tmp;
+	u32 dfi_lp_stat = 0;
+
+	if (cs == 0)
+		cs_en = 1;
+	else if (cs == 2)
+		cs_en = 2;
+	else
+		cs_en = 3;
+
+	if (dramtype == LPDDR4 &&
+	    ((readl(PHY_REG(phy_base, 0x60)) & BIT(5)) == 0)) {
+		dfi_lp_stat = 1;
+		setbits_le32(PHY_REG(phy_base, 0x60), BIT(5));
+	}
+	enter_sr(dram, 1);
+
+	for (i = 0; i < 0x20; i++) {
+		if (dir == DESKEW_MDF_ABS_VAL)
+			tmp = delta_sig;
+		else
+			tmp = readl(PHY_REG(phy_base, 0x150 + i)) +
+			      delta_sig;
+		writel(tmp, PHY_REG(phy_base, 0x150 + i));
+	}
+
+	if (dir == DESKEW_MDF_ABS_VAL)
+		tmp = delta_dif;
+	else
+		tmp = readl(PHY_REG(phy_base, 0x150 + 0x17)) -
+		       delta_sig + delta_dif;
+	writel(tmp, PHY_REG(phy_base, 0x150 + 0x17));
+	writel(tmp, PHY_REG(phy_base, 0x150 + 0x18));
+	if (dramtype == LPDDR4) {
+		writel(tmp, PHY_REG(phy_base, 0x150 + 0x4));
+		writel(tmp, PHY_REG(phy_base, 0x150 + 0xa));
+
+		clrbits_le32(PHY_REG(phy_base, 0x10), cs_en << 6);
+		update_ca_prebit(dram);
+	}
+	enter_sr(dram, 0);
+
+	if (dfi_lp_stat)
+		clrbits_le32(PHY_REG(phy_base, 0x60), BIT(5));
+}
+
+static u32 get_min_value(struct dram_info *dram, u32 signal, u32 rank)
+{
+	u32 i, j, offset = 0;
+	u32 min = 0x3f;
+	void __iomem *phy_base = dram->phy;
+	u32 byte_en;
+
+	if (signal == SKEW_TX_SIGNAL)
+		offset = 8;
+
+	if (signal == SKEW_CA_SIGNAL) {
+		for (i = 0; i < 0x20; i++)
+			min = MIN(min, readl(PHY_REG(phy_base, 0x150  + i)));
+	} else {
+		byte_en = readl(PHY_REG(phy_base, 0xf)) & 0xf;
+		for (j = offset; j < offset + rank * 4; j++) {
+			if (!((byte_en >> (j % 4)) & 1))
+				continue;
+			for (i = 0; i < 11; i++)
+				min = MIN(min,
+					  readl(PHY_REG(phy_base,
+							dqs_dq_skew_adr[j] +
+							i)));
+		}
+	}
+
+	return min;
+}
+
+static u32 low_power_update(struct dram_info *dram, u32 en)
+{
+	void __iomem *pctl_base = dram->pctl;
+	u32 lp_stat = 0;
+
+	if (en) {
+		setbits_le32(pctl_base + DDR_PCTL2_PWRCTL, en & 0xf);
+	} else {
+		lp_stat = readl(pctl_base + DDR_PCTL2_PWRCTL) & 0xf;
+		clrbits_le32(pctl_base + DDR_PCTL2_PWRCTL, 0xf);
+	}
+
+	return lp_stat;
+}
+
+/*
+ * signal:
+ * dir: 0: de-skew = delta_*
+ *	1: de-skew = reg val - delta_*
+ * delta_dir: value for differential signal: dqs
+ * delta_sig: value for single signal: dq/dm
+ */
+static void modify_dq_deskew(struct dram_info *dram, u32 signal, u32 dir,
+			     int delta_dif, int delta_sig, u32 rank)
+{
+	void __iomem *phy_base = dram->phy;
+	u32 i, j, tmp, offset;
+	u32 byte_en;
+
+	byte_en = readl(PHY_REG(phy_base, 0xf)) & 0xf;
+
+	if (signal == SKEW_RX_SIGNAL)
+		offset = 0;
+	else
+		offset = 8;
+
+	for (j = offset; j < (offset + rank * 4); j++) {
+		if (!((byte_en >> (j % 4)) & 1))
+			continue;
+		for (i = 0; i < 0x9; i++) {
+			if (dir == DESKEW_MDF_ABS_VAL)
+				tmp = delta_sig;
+			else
+				tmp = delta_sig + readl(PHY_REG(phy_base,
+							dqs_dq_skew_adr[j] +
+							i));
+			writel(tmp, PHY_REG(phy_base, dqs_dq_skew_adr[j] + i));
+		}
+		if (dir == DESKEW_MDF_ABS_VAL)
+			tmp = delta_dif;
+		else
+			tmp = delta_dif + readl(PHY_REG(phy_base,
+						dqs_dq_skew_adr[j] + 9));
+		writel(tmp, PHY_REG(phy_base, dqs_dq_skew_adr[j] + 9));
+		writel(tmp, PHY_REG(phy_base, dqs_dq_skew_adr[j] + 0xa));
+	}
+	if (signal == SKEW_RX_SIGNAL)
+		update_dq_rx_prebit(dram);
+	else
+		update_dq_tx_prebit(dram);
+}
+
+static int data_training_rg(struct dram_info *dram, u32 cs, u32 dramtype)
+{
+	void __iomem *phy_base = dram->phy;
+	u32 ret;
+	u32 dis_auto_zq = 0;
+	u32 odt_val_up, odt_val_dn;
+	u32 i, j;
+
+	odt_val_dn = readl(PHY_REG(phy_base, 0x110));
+	odt_val_up = readl(PHY_REG(phy_base, 0x111));
+
+	if (dramtype != LPDDR4) {
+		for (i = 0; i < 4; i++) {
+			j = 0x110 + i * 0x10;
+			writel(PHY_DDR4_LPDDR3_RTT_294ohm,
+			       PHY_REG(phy_base, j));
+			writel(PHY_DDR4_LPDDR3_RTT_DISABLE,
+			       PHY_REG(phy_base, j + 0x1));
+		}
+	}
+	dis_auto_zq = pctl_dis_zqcs_aref(dram->pctl);
+	/* use normal read mode for data training */
+	clrbits_le32(PHY_REG(phy_base, 0xc), BIT(1));
+
+	if (dramtype == DDR4)
+		setbits_le32(PHY_REG(phy_base, 0xc), BIT(1));
+
+	/* choose training cs */
+	clrsetbits_le32(PHY_REG(phy_base, 2), 0x33, (0x20 >> cs));
+	/* enable gate training */
+	clrsetbits_le32(PHY_REG(phy_base, 2), 0x33, (0x20 >> cs) | 1);
+	udelay(50);
+	ret = readl(PHY_REG(phy_base, 0x91));
+	/* disable gate training */
+	clrsetbits_le32(PHY_REG(phy_base, 2), 0x33, (0x20 >> cs) | 0);
+	clrbits_le32(PHY_REG(phy_base, 2), 0x30);
+	pctl_rest_zqcs_aref(dram->pctl, dis_auto_zq);
+
+	ret = (ret & 0x2f) ^ (readl(PHY_REG(phy_base, 0xf)) & 0xf);
+
+	if (dramtype != LPDDR4) {
+		for (i = 0; i < 4; i++) {
+			j = 0x110 + i * 0x10;
+			writel(odt_val_dn, PHY_REG(phy_base, j));
+			writel(odt_val_up, PHY_REG(phy_base, j + 0x1));
+		}
+	}
+	return ret;
+}
+
+static int data_training_wl(struct dram_info *dram, u32 cs, u32 dramtype,
+			    u32 rank)
+{
+	void __iomem *pctl_base = dram->pctl;
+	void __iomem *phy_base = dram->phy;
+	u32 dis_auto_zq = 0;
+	u32 tmp;
+	u32 cur_fsp;
+	u32 timeout_us = 1000;
+
+	dis_auto_zq = pctl_dis_zqcs_aref(dram->pctl);
+
+	clrbits_le32(PHY_REG(phy_base, 0x7a), 0x1);
+
+	cur_fsp = readl(pctl_base + DDR_PCTL2_MSTR2) & 0x3;
+	tmp = readl(pctl_base + UMCTL2_REGS_FREQ(cur_fsp) + DDR_PCTL2_INIT3) &
+	      0xffff;
+	writel(tmp & 0xff, PHY_REG(phy_base, 0x3));
+
+	/* disable another cs's output */
+	if ((dramtype == DDR3 || dramtype == DDR4) && rank == 2)
+		pctl_write_mr(dram->pctl, (cs + 1) & 1, 1, tmp | (1 << 12),
+			      dramtype);
+	if (dramtype == DDR3 || dramtype == DDR4)
+		writel(0x40 | ((tmp >> 8) & 0x3f), PHY_REG(phy_base, 0x4));
+	else
+		writel(0x80 | ((tmp >> 8) & 0x3f), PHY_REG(phy_base, 0x4));
+
+	/* choose cs */
+	clrsetbits_le32(PHY_REG(phy_base, 2), (0x3 << 6) | (0x3 << 2),
+			((0x2 >> cs) << 6) | (0 << 2));
+	/* enable write leveling */
+	clrsetbits_le32(PHY_REG(phy_base, 2), (0x3 << 6) | (0x3 << 2),
+			((0x2 >> cs) << 6) | (1 << 2));
+
+	while (1) {
+		if ((readl(PHY_REG(phy_base, 0x92)) & 0xf) ==
+		    (readl(PHY_REG(phy_base, 0xf)) & 0xf))
+			break;
+
+		udelay(1);
+		if (timeout_us-- == 0) {
+			printascii("error: write leveling timeout\n");
+			while (1)
+				;
+		}
+	}
+
+	/* disable write leveling */
+	clrsetbits_le32(PHY_REG(phy_base, 2), (0x3 << 6) | (0x3 << 2),
+			((0x2 >> cs) << 6) | (0 << 2));
+	clrsetbits_le32(PHY_REG(phy_base, 2), 0x3 << 6, 0 << 6);
+
+	/* enable another cs's output */
+	if ((dramtype == DDR3 || dramtype == DDR4) && rank == 2)
+		pctl_write_mr(dram->pctl, (cs + 1) & 1, 1, tmp & ~(1 << 12),
+			      dramtype);
+
+	pctl_rest_zqcs_aref(dram->pctl, dis_auto_zq);
+
+	return 0;
+}
+
+char pattern[32] = {
+	0xaa, 0x55, 0xaa, 0x55, 0x55, 0xaa, 0x55, 0xaa,
+	0x55, 0xaa, 0x55, 0xaa, 0xaa, 0x55, 0xaa, 0x55,
+	0x55, 0x55, 0xaa, 0xaa, 0xaa, 0xaa, 0x55, 0x55,
+	0xaa, 0xaa, 0x55, 0x55, 0x55, 0x55, 0xaa, 0xaa
+};
+
+static int data_training_rd(struct dram_info *dram, u32 cs, u32 dramtype,
+			    u32 mhz)
+{
+	void __iomem *pctl_base = dram->pctl;
+	void __iomem *phy_base = dram->phy;
+	u32 trefi_1x, trfc_1x;
+	u32 dis_auto_zq = 0;
+	u32 timeout_us = 1000;
+	u32 dqs_default;
+	u32 cur_fsp;
+	u32 vref_inner;
+	u32 i;
+	struct sdram_head_info_index_v2 *index =
+		(struct sdram_head_info_index_v2 *)common_info;
+	struct dq_map_info *map_info;
+
+	vref_inner = readl(PHY_REG(phy_base, 0x128)) & 0xff;
+	if (dramtype == DDR3 && vref_inner == 0x80) {
+		for (i = 0; i < 4; i++)
+			writel(vref_inner - 0xa,
+			       PHY_REG(phy_base, 0x118 + i * 0x10));
+
+		/* reg_rx_vref_value_update */
+		setbits_le32(PHY_REG(phy_base, 0x71), 1 << 5);
+		clrbits_le32(PHY_REG(phy_base, 0x71), 1 << 5);
+	}
+
+	map_info = (struct dq_map_info *)((void *)common_info +
+		index->dq_map_index.offset * 4);
+	/* only 1cs a time, 0:cs0 1 cs1 */
+	if (cs > 1)
+		return -1;
+
+	dqs_default = 0xf;
+	dis_auto_zq = pctl_dis_zqcs_aref(dram->pctl);
+
+	cur_fsp = readl(pctl_base + DDR_PCTL2_MSTR2) & 0x3;
+	/* config refresh timing */
+	trefi_1x = ((readl(pctl_base + UMCTL2_REGS_FREQ(cur_fsp) +
+			   DDR_PCTL2_RFSHTMG) >> 16) & 0xfff) * 32;
+	trfc_1x = readl(pctl_base + UMCTL2_REGS_FREQ(cur_fsp) +
+			DDR_PCTL2_RFSHTMG) & 0x3ff;
+	/* reg_phy_trefi[7:0] and reg_phy_trefi[13:8] */
+	clrsetbits_le32(PHY_REG(phy_base, 0x6e), 0xff, trefi_1x & 0xff);
+	clrsetbits_le32(PHY_REG(phy_base, 0x6f), 0x3f, (trefi_1x >> 8) & 0x3f);
+	/* reg_phy_trfc */
+	clrsetbits_le32(PHY_REG(phy_base, 0x57), 0xff, trfc_1x);
+	/* reg_max_refi_cnt */
+	clrsetbits_le32(PHY_REG(phy_base, 0x61), 0xf << 4, 0x8 << 4);
+
+	/* choose training cs */
+	clrsetbits_le32(PHY_REG(phy_base, 0x71), 0x3 << 6, (0x2 >> cs) << 6);
+
+	/* set dq map for ddr4 */
+	if (dramtype == DDR4) {
+		setbits_le32(PHY_REG(phy_base, 0x70), BIT(7));
+		for (i = 0; i < 4; i++) {
+			writel((map_info->ddr4_dq_map[cs * 2] >>
+				((i % 4) * 8)) & 0xff,
+				PHY_REG(phy_base, 0x238 + i));
+			writel((map_info->ddr4_dq_map[cs * 2 + 1] >>
+				((i % 4) * 8)) & 0xff,
+				PHY_REG(phy_base, 0x2b8 + i));
+		}
+	}
+
+	/* cha_l reg_l_rd_train_dqs_default[5:0] */
+	clrsetbits_le32(PHY_REG(phy_base, 0x230), 0x3f, dqs_default);
+	/* cha_h reg_h_rd_train_dqs_default[5:0] */
+	clrsetbits_le32(PHY_REG(phy_base, 0x234), 0x3f, dqs_default);
+	/* chb_l reg_l_rd_train_dqs_default[5:0] */
+	clrsetbits_le32(PHY_REG(phy_base, 0x2b0), 0x3f, dqs_default);
+	/* chb_h reg_h_rd_train_dqs_default[5:0] */
+	clrsetbits_le32(PHY_REG(phy_base, 0x2b4), 0x3f, dqs_default);
+
+	/* Choose the read train auto mode */
+	clrsetbits_le32(PHY_REG(phy_base, 0x70), 0x3, 0x1);
+	/* Enable the auto train of the read train */
+	clrsetbits_le32(PHY_REG(phy_base, 0x70), 0x3, 0x3);
+
+	/* Wait the train done. */
+	while (1) {
+		if ((readl(PHY_REG(phy_base, 0x93)) >> 7) & 0x1)
+			break;
+
+		udelay(1);
+		if (timeout_us-- == 0) {
+			printascii("error: read training timeout\n");
+			return -1;
+		}
+	}
+
+	/* Check the read train state */
+	if ((readl(PHY_REG(phy_base, 0x240)) & 0x3) ||
+	    (readl(PHY_REG(phy_base, 0x2c0)) & 0x3)) {
+		printascii("error: read training error\n");
+		return -1;
+	}
+
+	/* Exit the Read Training by setting */
+	clrbits_le32(PHY_REG(phy_base, 0x70), BIT(1));
+
+	pctl_rest_zqcs_aref(dram->pctl, dis_auto_zq);
+
+	if (dramtype == DDR3 && vref_inner == 0x80) {
+		for (i = 0; i < 4; i++)
+			writel(vref_inner,
+			       PHY_REG(phy_base, 0x118 + i * 0x10));
+
+		/* reg_rx_vref_value_update */
+		setbits_le32(PHY_REG(phy_base, 0x71), 1 << 5);
+		clrbits_le32(PHY_REG(phy_base, 0x71), 1 << 5);
+	}
+
+	return 0;
+}
+
+static int data_training_wr(struct dram_info *dram, u32 cs, u32 dramtype,
+			    u32 mhz, u32 dst_fsp)
+{
+	void __iomem *pctl_base = dram->pctl;
+	void __iomem *phy_base = dram->phy;
+	u32 trefi_1x, trfc_1x;
+	u32 dis_auto_zq = 0;
+	u32 timeout_us = 1000;
+	u32 cur_fsp;
+	u32 mr_tmp, cl, cwl, phy_fsp, offset = 0;
+
+	if (dramtype == LPDDR3 && mhz <= 400) {
+		phy_fsp = (readl(PHY_REG(phy_base, 0xc)) >> 0x2) & 0x3;
+		offset = (phy_fsp == 0) ? 0x5 : 0x387 + (phy_fsp - 1) * 3;
+		cl = readl(PHY_REG(phy_base, offset));
+		cwl = readl(PHY_REG(phy_base, offset + 2));
+
+		clrsetbits_le32(PHY_REG(phy_base, offset), 0x1f, 0x8);
+		clrsetbits_le32(PHY_REG(phy_base, offset + 2), 0x1f, 0x4);
+		pctl_write_mr(dram->pctl, 3, 2, 0x6, dramtype);
+	}
+
+	dis_auto_zq = pctl_dis_zqcs_aref(dram->pctl);
+
+	/* PHY_0x7b[7:0] reg_train_col_addr[7:0] */
+	clrsetbits_le32(PHY_REG(phy_base, 0x7b), 0xff, 0x0);
+	/* PHY_0x7c[4:2] reg_train_ba_addr[2:0] */
+	clrsetbits_le32(PHY_REG(phy_base, 0x7c), 0x7 << 2, 0x0 << 2);
+	/* PHY_0x7c[1:0] reg_train_col_addr[9:8] */
+	clrsetbits_le32(PHY_REG(phy_base, 0x7c), 0x3, 0x0);
+	/* PHY_0x7d[7:0] reg_train_row_addr[7:0] */
+	clrsetbits_le32(PHY_REG(phy_base, 0x7d), 0xff, 0x0);
+	/* PHY_0x7e[7:0] reg_train_row_addr[15:8] */
+	clrsetbits_le32(PHY_REG(phy_base, 0x7e), 0xff, 0x0);
+
+	/* PHY_0x71[3] wrtrain_check_data_value_random_gen */
+	clrbits_le32(PHY_REG(phy_base, 0x71), BIT(3));
+
+	/* config refresh timing */
+	cur_fsp = readl(pctl_base + DDR_PCTL2_MSTR2) & 0x3;
+	trefi_1x = ((readl(pctl_base + UMCTL2_REGS_FREQ(cur_fsp) +
+			   DDR_PCTL2_RFSHTMG) >> 16) & 0xfff) * 32;
+	trfc_1x = readl(pctl_base + UMCTL2_REGS_FREQ(cur_fsp) +
+			DDR_PCTL2_RFSHTMG) & 0x3ff;
+	/* reg_phy_trefi[7:0] and reg_phy_trefi[13:8] */
+	clrsetbits_le32(PHY_REG(phy_base, 0x6e), 0xff, trefi_1x & 0xff);
+	clrsetbits_le32(PHY_REG(phy_base, 0x6f), 0x3f, (trefi_1x >> 8) & 0x3f);
+	/* reg_phy_trfc */
+	clrsetbits_le32(PHY_REG(phy_base, 0x57), 0xff, trfc_1x);
+	/* reg_max_refi_cnt */
+	clrsetbits_le32(PHY_REG(phy_base, 0x61), 0xf << 4, 0x8 << 4);
+
+	/* choose training cs */
+	clrsetbits_le32(PHY_REG(phy_base, 0x7c), 0x3 << 6, (0x2 >> cs) << 6);
+
+	/* PHY_0x7a [4] reg_wr_train_dqs_default_bypass */
+	/* 0: Use the write-leveling value. */
+	/* 1: use reg0x233 0x237 0x2b3 0x2b7 */
+	setbits_le32(PHY_REG(phy_base, 0x7a), BIT(4));
+
+	/* PHY_0x7a [0] reg_dq_wr_train_auto */
+	setbits_le32(PHY_REG(phy_base, 0x7a), 0x1);
+
+	/* PHY_0x7a [1] reg_dq_wr_train_en */
+	setbits_le32(PHY_REG(phy_base, 0x7a), BIT(1));
+
+	send_a_refresh(dram);
+
+	while (1) {
+		if ((readl(PHY_REG(phy_base, 0x92)) >> 7) & 0x1)
+			break;
+
+		udelay(1);
+		if (timeout_us-- == 0) {
+			printascii("error: write training timeout\n");
+			while (1)
+				;
+		}
+	}
+
+	/* Check the write train state */
+	if ((readl(PHY_REG(phy_base, 0x90)) >> 5) & 0x7) {
+		printascii("error: write training error\n");
+		return -1;
+	}
+
+	/* PHY_0x7a [1] reg_dq_wr_train_en */
+	clrbits_le32(PHY_REG(phy_base, 0x7a), BIT(1));
+
+	pctl_rest_zqcs_aref(dram->pctl, dis_auto_zq);
+
+	/* save LPDDR4 write vref to fsp_param for dfs */
+	if (dramtype == LPDDR4) {
+		fsp_param[dst_fsp].vref_dq[cs] =
+			((readl(PHY_REG(phy_base, 0x384)) & 0x3f) +
+			 (readl(PHY_REG(phy_base, 0x385)) & 0x3f)) / 2;
+		/* add range info */
+		fsp_param[dst_fsp].vref_dq[cs] |=
+			((readl(PHY_REG(phy_base, 0x7c)) & BIT(5)) << 1);
+	}
+
+	if (dramtype == LPDDR3 && mhz <= 400) {
+		clrsetbits_le32(PHY_REG(phy_base, offset), 0x1f, cl);
+		clrsetbits_le32(PHY_REG(phy_base, offset + 2), 0x1f, cwl);
+		mr_tmp = readl(pctl_base + UMCTL2_REGS_FREQ(cur_fsp) +
+			       DDR_PCTL2_INIT3);
+		pctl_write_mr(dram->pctl, 3, 2, mr_tmp & PCTL2_MR_MASK,
+			      dramtype);
+	}
+
+	return 0;
+}
+
+static int data_training(struct dram_info *dram, u32 cs,
+			 struct rv1126_sdram_params *sdram_params, u32 dst_fsp,
+			 u32 training_flag)
+{
+	u32 ret = 0;
+
+	if (training_flag == FULL_TRAINING)
+		training_flag = READ_GATE_TRAINING | WRITE_LEVELING |
+				WRITE_TRAINING | READ_TRAINING;
+
+	if ((training_flag & WRITE_LEVELING) == WRITE_LEVELING) {
+		ret = data_training_wl(dram, cs,
+				       sdram_params->base.dramtype,
+				       sdram_params->ch.cap_info.rank);
+		if (ret != 0)
+			goto out;
+	}
+
+	if ((training_flag & READ_GATE_TRAINING) == READ_GATE_TRAINING) {
+		ret = data_training_rg(dram, cs,
+				       sdram_params->base.dramtype);
+		if (ret != 0)
+			goto out;
+	}
+
+	if ((training_flag & READ_TRAINING) == READ_TRAINING) {
+		ret = data_training_rd(dram, cs,
+				       sdram_params->base.dramtype,
+				       sdram_params->base.ddr_freq);
+		if (ret != 0)
+			goto out;
+	}
+
+	if ((training_flag & WRITE_TRAINING) == WRITE_TRAINING) {
+		ret = data_training_wr(dram, cs,
+				       sdram_params->base.dramtype,
+				       sdram_params->base.ddr_freq, dst_fsp);
+		if (ret != 0)
+			goto out;
+	}
+
+out:
+	return ret;
+}
+
+static int get_wrlvl_val(struct dram_info *dram,
+			 struct rv1126_sdram_params *sdram_params)
+{
+	int i, j, clk_skew;
+	void __iomem *phy_base = dram->phy;
+	u32 lp_stat;
+	int ret;
+
+	lp_stat = low_power_update(dram, 0);
+
+	clk_skew = 0x1f;
+	modify_ca_deskew(dram, DESKEW_MDF_ABS_VAL, clk_skew, clk_skew, 3,
+			 sdram_params->base.dramtype);
+
+	ret = data_training(dram, 0, sdram_params, 0, WRITE_LEVELING);
+	if (sdram_params->ch.cap_info.rank == 2)
+		ret |= data_training(dram, 1, sdram_params, 0, WRITE_LEVELING);
+
+	for (j = 0; j < 2; j++)
+		for (i = 0; i < 4; i++)
+			wrlvl_result[j][i] =
+				(readl(PHY_REG(phy_base, wrlvl_result_offset[j][i])) & 0x3f) -
+				clk_skew;
+
+	low_power_update(dram, lp_stat);
+
+	return ret;
+}
+
+#if defined(CONFIG_CMD_DDR_TEST_TOOL)
+static void init_rw_trn_result_struct(struct rw_trn_result *result,
+				      void __iomem *phy_base, u8 cs_num)
+{
+	int i;
+
+	result->cs_num = cs_num;
+	result->byte_en = readb(PHY_REG(dram_info.phy, 0xf)) &
+			  PHY_DQ_WIDTH_MASK;
+	for (i = 0; i < FSP_NUM; i++)
+		result->fsp_mhz[i] = 0;
+}
+
+static void save_rw_trn_min_max(void __iomem *phy_base,
+				struct cs_rw_trn_result *rd_result,
+				struct cs_rw_trn_result *wr_result,
+				u8 byte_en)
+{
+	u16 phy_ofs;
+	u8 dqs;
+	u8 dq;
+
+	for (dqs = 0; dqs < BYTE_NUM; dqs++) {
+		if ((byte_en & BIT(dqs)) == 0)
+			continue;
+
+		/* Channel A or B (low or high 16 bit) */
+		phy_ofs = dqs < 2 ? 0x230 : 0x2b0;
+		/* low or high 8 bit */
+		phy_ofs += (dqs & 0x1) == 0 ? 0 : 0x9;
+		for (dq = 0; dq < 8; dq++) {
+			rd_result->dqs[dqs].dq_min[dq] =
+				readb(PHY_REG(phy_base, phy_ofs + 0x15 + dq));
+			rd_result->dqs[dqs].dq_max[dq] =
+				readb(PHY_REG(phy_base, phy_ofs + 0x27 + dq));
+			wr_result->dqs[dqs].dq_min[dq] =
+				readb(PHY_REG(phy_base, phy_ofs + 0x3d + dq));
+			wr_result->dqs[dqs].dq_max[dq] =
+				readb(PHY_REG(phy_base, phy_ofs + 0x4f + dq));
+		}
+	}
+}
+
+static void save_rw_trn_deskew(void __iomem *phy_base,
+			       struct fsp_rw_trn_result *result, u8 cs_num,
+			       int min_val, bool rw)
+{
+	u16 phy_ofs;
+	u8 cs;
+	u8 dq;
+
+	result->min_val = min_val;
+
+	for (cs = 0; cs < cs_num; cs++) {
+		phy_ofs = cs == 0 ? 0x170 : 0x1a0;
+		phy_ofs += rw == SKEW_RX_SIGNAL ? 0x1 : 0x17;
+		for (dq = 0; dq < 8; dq++) {
+			result->cs[cs].dqs[0].dq_deskew[dq] =
+				readb(PHY_REG(phy_base, phy_ofs + dq));
+			result->cs[cs].dqs[1].dq_deskew[dq] =
+				readb(PHY_REG(phy_base, phy_ofs + 0xb + dq));
+			result->cs[cs].dqs[2].dq_deskew[dq] =
+				readb(PHY_REG(phy_base, phy_ofs + 0x60 + dq));
+			result->cs[cs].dqs[3].dq_deskew[dq] =
+				readb(PHY_REG(phy_base, phy_ofs + 0x60 + 0xb + dq));
+		}
+
+		result->cs[cs].dqs[0].dqs_deskew =
+			readb(PHY_REG(phy_base, phy_ofs + 0x8));
+		result->cs[cs].dqs[1].dqs_deskew =
+			readb(PHY_REG(phy_base, phy_ofs + 0xb + 0x8));
+		result->cs[cs].dqs[2].dqs_deskew =
+			readb(PHY_REG(phy_base, phy_ofs + 0x60 + 0x8));
+		result->cs[cs].dqs[3].dqs_deskew =
+			readb(PHY_REG(phy_base, phy_ofs + 0x60 + 0xb + 0x8));
+	}
+}
+
+static void save_rw_trn_result_to_ddr(struct rw_trn_result *result)
+{
+	result->flag = DDR_DQ_EYE_FLAG;
+	memcpy((void *)(RW_TRN_RESULT_ADDR), result, sizeof(*result));
+}
+#endif
+
+static int high_freq_training(struct dram_info *dram,
+			      struct rv1126_sdram_params *sdram_params,
+			      u32 fsp)
+{
+	u32 i, j;
+	void __iomem *phy_base = dram->phy;
+	u32 dramtype = sdram_params->base.dramtype;
+	int min_val;
+	int dqs_skew, clk_skew, ca_skew;
+	u8 byte_en;
+	int ret;
+
+	byte_en = readl(PHY_REG(phy_base, 0xf)) & PHY_DQ_WIDTH_MASK;
+	dqs_skew = 0;
+	for (j = 0; j < sdram_params->ch.cap_info.rank; j++) {
+		for (i = 0; i < ARRAY_SIZE(wrlvl_result[0]); i++) {
+			if ((byte_en & BIT(i)) != 0)
+				dqs_skew += wrlvl_result[j][i];
+		}
+	}
+	dqs_skew = dqs_skew /
+		   (int)(sdram_params->ch.cap_info.rank * (1 << sdram_params->ch.cap_info.bw));
+
+	clk_skew = 0x20 - dqs_skew;
+	dqs_skew = 0x20;
+
+	if (dramtype == LPDDR4) {
+		min_val = 0xff;
+		for (j = 0; j < sdram_params->ch.cap_info.rank; j++)
+			for (i = 0; i < sdram_params->ch.cap_info.bw; i++)
+				min_val = MIN(wrlvl_result[j][i], min_val);
+
+		if (min_val < 0) {
+			clk_skew = -min_val;
+			ca_skew = -min_val;
+		} else {
+			clk_skew = 0;
+			ca_skew = 0;
+		}
+	} else if (dramtype == LPDDR3) {
+		ca_skew = clk_skew - 4;
+	} else {
+		ca_skew = clk_skew;
+	}
+	modify_ca_deskew(dram, DESKEW_MDF_ABS_VAL, clk_skew, ca_skew, 3,
+			 dramtype);
+
+	writel(wrlvl_result[0][0] + clk_skew, PHY_REG(phy_base, 0x233));
+	writel(wrlvl_result[0][1] + clk_skew, PHY_REG(phy_base, 0x237));
+	writel(wrlvl_result[0][2] + clk_skew, PHY_REG(phy_base, 0x2b3));
+	writel(wrlvl_result[0][3] + clk_skew, PHY_REG(phy_base, 0x2b7));
+	ret = data_training(dram, 0, sdram_params, fsp, READ_GATE_TRAINING |
+			    READ_TRAINING | WRITE_TRAINING);
+#if defined(CONFIG_CMD_DDR_TEST_TOOL)
+	rw_trn_result.fsp_mhz[fsp] = (u16)sdram_params->base.ddr_freq;
+	save_rw_trn_min_max(phy_base, &rw_trn_result.rd_fsp[fsp].cs[0],
+			    &rw_trn_result.wr_fsp[fsp].cs[0],
+			    rw_trn_result.byte_en);
+#endif
+	if (sdram_params->ch.cap_info.rank == 2) {
+		writel(wrlvl_result[1][0] + clk_skew, PHY_REG(phy_base, 0x233));
+		writel(wrlvl_result[1][1] + clk_skew, PHY_REG(phy_base, 0x237));
+		writel(wrlvl_result[1][2] + clk_skew, PHY_REG(phy_base, 0x2b3));
+		writel(wrlvl_result[1][3] + clk_skew, PHY_REG(phy_base, 0x2b7));
+		ret |= data_training(dram, 1, sdram_params, fsp,
+				     READ_GATE_TRAINING | READ_TRAINING |
+				     WRITE_TRAINING);
+#if defined(CONFIG_CMD_DDR_TEST_TOOL)
+		save_rw_trn_min_max(phy_base, &rw_trn_result.rd_fsp[fsp].cs[1],
+				    &rw_trn_result.wr_fsp[fsp].cs[1],
+				    rw_trn_result.byte_en);
+#endif
+	}
+	if (ret)
+		goto out;
+
+	record_dq_prebit(dram);
+
+	min_val = get_min_value(dram, SKEW_RX_SIGNAL,
+				sdram_params->ch.cap_info.rank) * -1;
+	modify_dq_deskew(dram, SKEW_RX_SIGNAL, DESKEW_MDF_DIFF_VAL,
+			 min_val, min_val, sdram_params->ch.cap_info.rank);
+#if defined(CONFIG_CMD_DDR_TEST_TOOL)
+	save_rw_trn_deskew(phy_base, &rw_trn_result.rd_fsp[fsp],
+			   rw_trn_result.cs_num, (u8)(min_val * (-1)),
+			   SKEW_RX_SIGNAL);
+#endif
+
+	min_val = MIN(get_min_value(dram, SKEW_TX_SIGNAL,
+				    sdram_params->ch.cap_info.rank),
+		      get_min_value(dram, SKEW_CA_SIGNAL,
+				    sdram_params->ch.cap_info.rank)) * -1;
+
+	/* clk = 0, rx all skew -7, tx - min_value */
+	modify_ca_deskew(dram, DESKEW_MDF_DIFF_VAL, min_val, min_val, 3,
+			 dramtype);
+
+	modify_dq_deskew(dram, SKEW_TX_SIGNAL, DESKEW_MDF_DIFF_VAL,
+			 min_val, min_val, sdram_params->ch.cap_info.rank);
+#if defined(CONFIG_CMD_DDR_TEST_TOOL)
+	save_rw_trn_deskew(phy_base, &rw_trn_result.wr_fsp[fsp],
+			   rw_trn_result.cs_num, (u8)(min_val * (-1)),
+			   SKEW_TX_SIGNAL);
+#endif
+
+	ret = data_training(dram, 0, sdram_params, 0, READ_GATE_TRAINING);
+	if (sdram_params->ch.cap_info.rank == 2)
+		ret |= data_training(dram, 1, sdram_params, 0,
+				     READ_GATE_TRAINING);
+out:
+	return ret;
+}
+
+static void set_ddrconfig(struct dram_info *dram, u32 ddrconfig)
+{
+	writel(ddrconfig, &dram->msch->deviceconf);
+	clrsetbits_le32(&dram->grf->noc_con0, 0x3 << 0, 0 << 0);
+}
+
+static void update_noc_timing(struct dram_info *dram,
+			      struct rv1126_sdram_params *sdram_params)
+{
+	void __iomem *pctl_base = dram->pctl;
+	u32 bw, bl;
+
+	bw = 8 << sdram_params->ch.cap_info.bw;
+	bl = ((readl(pctl_base + DDR_PCTL2_MSTR) >> 16) & 0xf) * 2;
+
+	/* update the noc timing related to data bus width */
+	if ((bw / 8 * bl) <= 16)
+		sdram_params->ch.noc_timings.ddrmode.b.burstsize = 0;
+	else if ((bw / 8 * bl) == 32)
+		sdram_params->ch.noc_timings.ddrmode.b.burstsize = 1;
+	else if ((bw / 8 * bl) == 64)
+		sdram_params->ch.noc_timings.ddrmode.b.burstsize = 2;
+	else
+		sdram_params->ch.noc_timings.ddrmode.b.burstsize = 3;
+
+	sdram_params->ch.noc_timings.ddrtimingc0.b.burstpenalty =
+		(bl * bw / 8) > 16 ? (bl / 4) : (16 / (bl * bw / 8)) * bl / 4;
+
+	if (sdram_params->base.dramtype == LPDDR4) {
+		sdram_params->ch.noc_timings.ddrmode.b.mwrsize =
+			(bw == 16) ? 0x1 : 0x2;
+		sdram_params->ch.noc_timings.ddrtimingc0.b.wrtomwr =
+			3 * sdram_params->ch.noc_timings.ddrtimingc0.b.burstpenalty;
+	}
+
+	writel(sdram_params->ch.noc_timings.ddrtiminga0.d32,
+	       &dram->msch->ddrtiminga0);
+	writel(sdram_params->ch.noc_timings.ddrtimingb0.d32,
+	       &dram->msch->ddrtimingb0);
+	writel(sdram_params->ch.noc_timings.ddrtimingc0.d32,
+	       &dram->msch->ddrtimingc0);
+	writel(sdram_params->ch.noc_timings.devtodev0.d32,
+	       &dram->msch->devtodev0);
+	writel(sdram_params->ch.noc_timings.ddrmode.d32, &dram->msch->ddrmode);
+	writel(sdram_params->ch.noc_timings.ddr4timing.d32,
+	       &dram->msch->ddr4timing);
+}
+
+static int split_setup(struct dram_info *dram,
+		       struct rv1126_sdram_params *sdram_params)
+{
+	struct sdram_cap_info *cap_info = &sdram_params->ch.cap_info;
+	u32 dramtype = sdram_params->base.dramtype;
+	u32 split_size, split_mode;
+	u64 cs_cap[2], cap;
+
+	cs_cap[0] = sdram_get_cs_cap(cap_info, 0, dramtype);
+	cs_cap[1] = sdram_get_cs_cap(cap_info, 1, dramtype);
+	/* only support the larger cap is in low 16bit */
+	if (cap_info->cs0_high16bit_row < cap_info->cs0_row) {
+		cap = cs_cap[0] / (1 << (cap_info->cs0_row -
+		cap_info->cs0_high16bit_row));
+	} else if ((cap_info->cs1_high16bit_row < cap_info->cs1_row) &&
+		   (cap_info->rank == 2)) {
+		if (!cap_info->cs1_high16bit_row)
+			cap = cs_cap[0];
+		else
+			cap = cs_cap[0] + cs_cap[1] / (1 << (cap_info->cs1_row -
+				cap_info->cs1_high16bit_row));
+	} else {
+		goto out;
+	}
+	split_size = (u32)(cap >> 24) & SPLIT_SIZE_MASK;
+	if (cap_info->bw == 2)
+		split_mode = SPLIT_MODE_32_L16_VALID;
+	else
+		split_mode = SPLIT_MODE_16_L8_VALID;
+
+	rk_clrsetreg(&dram->ddrgrf->grf_ddrsplit_con,
+		     (SPLIT_MODE_MASK << SPLIT_MODE_OFFSET) |
+		     (SPLIT_BYPASS_MASK << SPLIT_BYPASS_OFFSET) |
+		     (SPLIT_SIZE_MASK << SPLIT_SIZE_OFFSET),
+		     (split_mode << SPLIT_MODE_OFFSET) |
+		     (0x0 << SPLIT_BYPASS_OFFSET) |
+		     (split_size << SPLIT_SIZE_OFFSET));
+
+	rk_clrsetreg(BUS_SGRF_BASE_ADDR + SGRF_SOC_CON2,
+		     MSCH_AXI_BYPASS_ALL_MASK << MSCH_AXI_BYPASS_ALL_SHIFT,
+		     0x0 << MSCH_AXI_BYPASS_ALL_SHIFT);
+
+out:
+	return 0;
+}
+
+static void split_bypass(struct dram_info *dram)
+{
+	if ((readl(&dram->ddrgrf->grf_ddrsplit_con) &
+	     (1 << SPLIT_BYPASS_OFFSET)) != 0)
+		return;
+
+	/* bypass split */
+	rk_clrsetreg(&dram->ddrgrf->grf_ddrsplit_con,
+		     (SPLIT_BYPASS_MASK << SPLIT_BYPASS_OFFSET) |
+		     (SPLIT_SIZE_MASK << SPLIT_SIZE_OFFSET),
+		     (0x1 << SPLIT_BYPASS_OFFSET) |
+		     (0x0 << SPLIT_SIZE_OFFSET));
+}
+
+static void dram_all_config(struct dram_info *dram,
+			    struct rv1126_sdram_params *sdram_params)
+{
+	struct sdram_cap_info *cap_info = &sdram_params->ch.cap_info;
+	u32 dram_type = sdram_params->base.dramtype;
+	void __iomem *pctl_base = dram->pctl;
+	u32 sys_reg2 = 0;
+	u32 sys_reg3 = 0;
+	u64 cs_cap[2];
+	u32 cs_pst;
+
+	set_ddrconfig(dram, cap_info->ddrconfig);
+	sdram_org_config(cap_info, &sdram_params->base, &sys_reg2,
+			 &sys_reg3, 0);
+	writel(sys_reg2, &dram->pmugrf->os_reg[2]);
+	writel(sys_reg3, &dram->pmugrf->os_reg[3]);
+
+	cs_cap[0] = sdram_get_cs_cap(cap_info, 0, dram_type);
+	cs_cap[1] = sdram_get_cs_cap(cap_info, 1, dram_type);
+
+	if (cap_info->rank == 2) {
+		cs_pst = (readl(pctl_base + DDR_PCTL2_ADDRMAP0) & 0x1f) +
+			6 + 2;
+		if (cs_pst > 28)
+			cs_cap[0] = 1llu << cs_pst;
+	}
+
+	writel(((((cs_cap[1] >> 20) / 64) & 0xff) << 8) |
+			(((cs_cap[0] >> 20) / 64) & 0xff),
+			&dram->msch->devicesize);
+	update_noc_timing(dram, sdram_params);
+}
+
+static void enable_low_power(struct dram_info *dram,
+			     struct rv1126_sdram_params *sdram_params)
+{
+	void __iomem *pctl_base = dram->pctl;
+	u32 grf_lp_con;
+
+	writel(0x1f1f0617, &dram->ddrgrf->ddr_grf_con[1]);
+
+	if (sdram_params->base.dramtype == DDR4)
+		grf_lp_con = (0x7 << 16) | (1 << 1);
+	else if (sdram_params->base.dramtype == DDR3)
+		grf_lp_con = (0x7 << 16) | (1 << 0);
+	else
+		grf_lp_con = (0x7 << 16) | (1 << 2);
+
+	/* en lpckdis_en */
+	grf_lp_con = grf_lp_con | (0x1 << (9 + 16)) | (0x1 << 9);
+	writel(grf_lp_con, &dram->ddrgrf->ddr_grf_lp_con);
+
+	/* enable sr, pd */
+	if (dram->pd_idle == 0)
+		clrbits_le32(pctl_base + DDR_PCTL2_PWRCTL, (1 << 1));
+	else
+		setbits_le32(pctl_base + DDR_PCTL2_PWRCTL, (1 << 1));
+	if (dram->sr_idle == 0)
+		clrbits_le32(pctl_base + DDR_PCTL2_PWRCTL, 1);
+	else
+		setbits_le32(pctl_base + DDR_PCTL2_PWRCTL, 1);
+	setbits_le32(pctl_base + DDR_PCTL2_PWRCTL, (1 << 3));
+}
+
+static void print_ddr_info(struct rv1126_sdram_params *sdram_params)
+{
+	u32 split;
+
+	if ((readl(DDR_GRF_BASE_ADDR + DDR_GRF_SPLIT_CON) &
+	     (1 << SPLIT_BYPASS_OFFSET)) != 0)
+		split = 0;
+	else
+		split = readl(DDR_GRF_BASE_ADDR + DDR_GRF_SPLIT_CON) &
+			SPLIT_SIZE_MASK;
+
+	sdram_print_ddr_info(&sdram_params->ch.cap_info,
+			     &sdram_params->base, split);
+}
+
+static int sdram_init_(struct dram_info *dram,
+		       struct rv1126_sdram_params *sdram_params, u32 post_init)
+{
+	void __iomem *pctl_base = dram->pctl;
+	void __iomem *phy_base = dram->phy;
+	u32 ddr4_vref;
+	u32 mr_tmp;
+
+	rkclk_configure_ddr(dram, sdram_params);
+
+	rkclk_ddr_reset(dram, 1, 1, 1, 1);
+	udelay(10);
+
+	rkclk_ddr_reset(dram, 1, 1, 1, 0);
+	phy_cfg(dram, sdram_params);
+
+	rkclk_ddr_reset(dram, 1, 1, 0, 0);
+	phy_pll_set(dram, sdram_params->base.ddr_freq * MHZ, 1);
+
+	rkclk_ddr_reset(dram, 1, 0, 0, 0);
+	pctl_cfg(dram->pctl, &sdram_params->pctl_regs,
+		 dram->sr_idle, dram->pd_idle);
+
+	if (sdram_params->ch.cap_info.bw == 2) {
+		/* 32bit interface use pageclose */
+		setbits_le32(pctl_base + DDR_PCTL2_SCHED, 1 << 2);
+		/* pageclose = 1, pageclose_timer = 0 will err in lp4 328MHz */
+		clrsetbits_le32(pctl_base + DDR_PCTL2_SCHED1, 0xff, 0x1 << 0);
+	} else {
+		clrbits_le32(pctl_base + DDR_PCTL2_SCHED, 1 << 2);
+	}
+
+#ifdef CONFIG_ROCKCHIP_DRAM_EXTENDED_TEMP_SUPPORT
+	u32 tmp, trefi;
+
+	tmp = readl(pctl_base + DDR_PCTL2_RFSHTMG);
+	trefi = (tmp >> 16) & 0xfff;
+	writel((tmp & 0xf000ffff) | (trefi / 2) << 16,
+	       pctl_base + DDR_PCTL2_RFSHTMG);
+#endif
+
+	/* set frequency_mode */
+	setbits_le32(pctl_base + DDR_PCTL2_MSTR, 0x1 << 29);
+	/* set target_frequency to Frequency 0 */
+	clrsetbits_le32(pctl_base + DDR_PCTL2_MSTR2, 0x3, 0);
+
+	set_ds_odt(dram, sdram_params, 0);
+	sdram_params->ch.cap_info.ddrconfig = calculate_ddrconfig(sdram_params);
+	set_ctl_address_map(dram, sdram_params);
+
+	setbits_le32(pctl_base + DDR_PCTL2_DFIMISC, (1 << 5) | (1 << 4));
+
+	rkclk_ddr_reset(dram, 0, 0, 0, 0);
+
+	while ((readl(pctl_base + DDR_PCTL2_STAT) & 0x7) == 0)
+		continue;
+
+	if (sdram_params->base.dramtype == LPDDR3) {
+		pctl_write_mr(dram->pctl, 3, 11, lp3_odt_value, LPDDR3);
+	} else if (sdram_params->base.dramtype == LPDDR4) {
+		mr_tmp = readl(pctl_base + DDR_PCTL2_INIT6);
+		/* MR11 */
+		pctl_write_mr(dram->pctl, 3, 11,
+			      mr_tmp >> PCTL2_LPDDR4_MR11_SHIFT & PCTL2_MR_MASK,
+			      LPDDR4);
+		/* MR12 */
+		pctl_write_mr(dram->pctl, 3, 12,
+			      mr_tmp >> PCTL2_LPDDR4_MR12_SHIFT & PCTL2_MR_MASK,
+			      LPDDR4);
+
+		mr_tmp = readl(pctl_base + DDR_PCTL2_INIT7);
+		/* MR22 */
+		pctl_write_mr(dram->pctl, 3, 22,
+			      mr_tmp >> PCTL2_LPDDR4_MR22_SHIFT & PCTL2_MR_MASK,
+			      LPDDR4);
+	}
+
+	if (data_training(dram, 0, sdram_params, 0, READ_GATE_TRAINING) != 0) {
+		if (post_init != 0)
+			printascii("DTT cs0 error\n");
+		return -1;
+	}
+
+	if (sdram_params->base.dramtype == LPDDR4) {
+		mr_tmp = read_mr(dram, 1, 14, LPDDR4);
+
+		if (mr_tmp != 0x4d)
+			return -1;
+	}
+
+	if (sdram_params->base.dramtype == LPDDR4) {
+		mr_tmp = readl(pctl_base + DDR_PCTL2_INIT7);
+		/* MR14 */
+		pctl_write_mr(dram->pctl, 3, 14,
+			      mr_tmp >> PCTL2_LPDDR4_MR14_SHIFT & PCTL2_MR_MASK,
+			      LPDDR4);
+	}
+	if (post_init != 0 && sdram_params->ch.cap_info.rank == 2) {
+		if (data_training(dram, 1, sdram_params, 0,
+				  READ_GATE_TRAINING) != 0) {
+			printascii("DTT cs1 error\n");
+			return -1;
+		}
+	}
+
+	if (sdram_params->base.dramtype == DDR4) {
+		ddr4_vref = readl(PHY_REG(phy_base, 0x105)) * 39;
+		pctl_write_vrefdq(dram->pctl, 0x3, ddr4_vref,
+				  sdram_params->base.dramtype);
+	}
+
+	dram_all_config(dram, sdram_params);
+	enable_low_power(dram, sdram_params);
+
+	return 0;
+}
+
+static u64 dram_detect_cap(struct dram_info *dram,
+			   struct rv1126_sdram_params *sdram_params,
+			   unsigned char channel)
+{
+	struct sdram_cap_info *cap_info = &sdram_params->ch.cap_info;
+	void __iomem *pctl_base = dram->pctl;
+	void __iomem *phy_base = dram->phy;
+	u32 mr8;
+
+	u32 bktmp;
+	u32 coltmp;
+	u32 rowtmp;
+	u32 cs;
+	u32 dram_type = sdram_params->base.dramtype;
+	u32 pwrctl;
+	u32 i, dq_map;
+	u32 byte1 = 0, byte0 = 0;
+	u32 tmp, byte;
+	struct sdram_head_info_index_v2 *index = (struct sdram_head_info_index_v2 *)common_info;
+	struct dq_map_info *map_info = (struct dq_map_info *)
+				       ((void *)common_info + index->dq_map_index.offset * 4);
+
+	cap_info->bw = dram_type == DDR3 ? 0 : 1;
+	if (dram_type != LPDDR4) {
+		if (dram_type != DDR4) {
+			coltmp = 12;
+			bktmp = 3;
+			if (dram_type == LPDDR2)
+				rowtmp = 15;
+			else
+				rowtmp = 16;
+
+			if (sdram_detect_col(cap_info, coltmp) != 0)
+				goto cap_err;
+
+			sdram_detect_bank(cap_info, coltmp, bktmp);
+			if (dram_type != LPDDR3)
+				sdram_detect_dbw(cap_info, dram_type);
+		} else {
+			coltmp = 10;
+			bktmp = 4;
+			rowtmp = 17;
+
+			cap_info->col = 10;
+			cap_info->bk = 2;
+			sdram_detect_bg(cap_info, coltmp);
+		}
+
+		if (sdram_detect_row(cap_info, coltmp, bktmp, rowtmp) != 0)
+			goto cap_err;
+
+		sdram_detect_row_3_4(cap_info, coltmp, bktmp);
+	} else {
+		cap_info->col = 10;
+		cap_info->bk = 3;
+		mr8 = read_mr(dram, 1, 8, dram_type);
+		cap_info->dbw = ((mr8 >> 6) & 0x3) == 0 ? 1 : 0;
+		mr8 = (mr8 >> 2) & 0xf;
+		if (mr8 >= 0 && mr8 <= 6) {
+			cap_info->cs0_row = 14 + (mr8 + 1) / 2;
+		} else if (mr8 == 0xc) {
+			cap_info->cs0_row = 13;
+		} else {
+			printascii("Cap ERR: Fail to get cap of LPDDR4/X from MR8\n");
+			goto cap_err;
+		}
+		if (cap_info->dbw == 0)
+			cap_info->cs0_row++;
+		cap_info->row_3_4 = mr8 % 2 == 1 ? 1 : 0;
+		if (cap_info->cs0_row >= 17) {
+			printascii("Cap ERR: ");
+			printascii("RV1126 LPDDR4/X cannot support row >= 17\n");
+			goto cap_err;
+			// cap_info->cs0_row = 16;
+			// cap_info->row_3_4 = 0;
+		}
+	}
+
+	pwrctl = readl(pctl_base + DDR_PCTL2_PWRCTL);
+	writel(0, pctl_base + DDR_PCTL2_PWRCTL);
+
+	if (data_training(dram, 1, sdram_params, 0, READ_GATE_TRAINING) == 0)
+		cs = 1;
+	else
+		cs = 0;
+	cap_info->rank = cs + 1;
+
+	setbits_le32(PHY_REG(phy_base, 0xf), 0xf);
+
+	tmp = data_training_rg(dram, 0, dram_type) & 0xf;
+
+	if (tmp == 0) {
+		cap_info->bw = 2;
+	} else {
+		if (dram_type == DDR3 || dram_type == DDR4) {
+			dq_map = 0;
+			byte = 0;
+			for (i = 0; i < 4; i++) {
+				if ((tmp & BIT(i)) == 0) {
+					dq_map |= byte << (i * 2);
+					byte++;
+				}
+			}
+			cap_info->bw = byte / 2;
+			for (i = 0; i < 4; i++) {
+				if ((tmp & BIT(i)) != 0) {
+					dq_map |= byte << (i * 2);
+					byte++;
+				}
+			}
+			clrsetbits_le32(&map_info->byte_map[0], 0xff << 24, dq_map << 24);
+		} else {
+			dq_map = readl(PHY_REG(phy_base, 0x4f));
+			for (i = 0; i < 4; i++) {
+				if (((dq_map >> (i * 2)) & 0x3) == 0)
+					byte0 = i;
+				if (((dq_map >> (i * 2)) & 0x3) == 1)
+					byte1 = i;
+			}
+			clrsetbits_le32(PHY_REG(phy_base, 0xf), PHY_DQ_WIDTH_MASK,
+					BIT(byte0) | BIT(byte1));
+			if (data_training(dram, 0, sdram_params, 0, READ_GATE_TRAINING) == 0)
+				cap_info->bw = 1;
+			else
+				cap_info->bw = 0;
+		}
+	}
+	if (cap_info->bw > 0)
+		cap_info->dbw = 1;
+
+	writel(pwrctl, pctl_base + DDR_PCTL2_PWRCTL);
+
+	cap_info->cs0_high16bit_row = cap_info->cs0_row;
+	if (cs) {
+		cap_info->cs1_row = cap_info->cs0_row;
+		cap_info->cs1_high16bit_row = cap_info->cs0_row;
+	} else {
+		cap_info->cs1_row = 0;
+		cap_info->cs1_high16bit_row = 0;
+	}
+
+	if (dram_type == LPDDR3)
+		sdram_detect_dbw(cap_info, dram_type);
+
+	return 0;
+cap_err:
+	return -1;
+}
+
+static int dram_detect_cs1_row(struct dram_info *dram,
+			       struct rv1126_sdram_params *sdram_params,
+			       unsigned char channel)
+{
+	struct sdram_cap_info *cap_info = &sdram_params->ch.cap_info;
+	void __iomem *pctl_base = dram->pctl;
+	u32 ret = 0;
+	void __iomem *test_addr;
+	u32 row, bktmp, coltmp, bw;
+	u64 cs0_cap;
+	u32 byte_mask;
+	u32 cs_pst;
+	u32 cs_add = 0;
+	u32 max_row;
+
+	if (cap_info->rank == 2) {
+		cs_pst = (readl(pctl_base + DDR_PCTL2_ADDRMAP0) & 0x1f) +
+			6 + 2;
+		if (cs_pst < 28)
+			cs_add = 1;
+
+		cs0_cap = 1 << cs_pst;
+
+		if (sdram_params->base.dramtype == DDR4) {
+			if (cap_info->dbw == 0)
+				bktmp = cap_info->bk + 2;
+			else
+				bktmp = cap_info->bk + 1;
+		} else {
+			bktmp = cap_info->bk;
+		}
+		bw = cap_info->bw;
+		coltmp = cap_info->col;
+
+		if (bw == 2)
+			byte_mask = 0xFFFF;
+		else
+			byte_mask = 0xFF;
+
+		max_row = (cs_pst == 31) ? 30 : 31;
+
+		max_row = max_row - bktmp - coltmp - bw - cs_add + 1;
+
+		row = (cap_info->cs0_row > max_row) ? max_row :
+			cap_info->cs0_row;
+
+		for (; row > 12; row--) {
+			test_addr = (void __iomem *)(CFG_SYS_SDRAM_BASE +
+				    (u32)cs0_cap +
+				    (1ul << (row + bktmp + coltmp +
+					     cs_add + bw - 1ul)));
+
+			writel(0, CFG_SYS_SDRAM_BASE + (u32)cs0_cap);
+			writel(PATTERN, test_addr);
+
+			if (((readl(test_addr) & byte_mask) ==
+			     (PATTERN & byte_mask)) &&
+			    ((readl(CFG_SYS_SDRAM_BASE + (u32)cs0_cap) &
+			      byte_mask) == 0)) {
+				ret = row;
+				break;
+			}
+		}
+	}
+
+	return ret;
+}
+
+/* return: 0 = success, other = fail */
+static int sdram_init_detect(struct dram_info *dram,
+			     struct rv1126_sdram_params *sdram_params)
+{
+	struct sdram_cap_info *cap_info = &sdram_params->ch.cap_info;
+	u32 ret;
+	u32 sys_reg = 0;
+	u32 sys_reg3 = 0;
+	struct sdram_head_info_index_v2 *index =
+		(struct sdram_head_info_index_v2 *)common_info;
+	struct dq_map_info *map_info;
+
+	map_info = (struct dq_map_info *)((void *)common_info +
+		index->dq_map_index.offset * 4);
+
+	if (sdram_init_(dram, sdram_params, 0)) {
+		if (sdram_params->base.dramtype == DDR3) {
+			clrsetbits_le32(&map_info->byte_map[0], 0xff << 24,
+					((0x1 << 6) | (0x3 << 4) | (0x2 << 2) |
+					(0x0 << 0)) << 24);
+			if (sdram_init_(dram, sdram_params, 0))
+				return -1;
+		} else {
+			return -1;
+		}
+	}
+
+	if (sdram_params->base.dramtype == DDR3) {
+		writel(PATTERN, CFG_SYS_SDRAM_BASE);
+		if (readl(CFG_SYS_SDRAM_BASE) != PATTERN)
+			return -1;
+	}
+
+	split_bypass(dram);
+	if (dram_detect_cap(dram, sdram_params, 0) != 0)
+		return -1;
+
+	pctl_remodify_sdram_params(&sdram_params->pctl_regs, cap_info,
+				   sdram_params->base.dramtype);
+	ret = sdram_init_(dram, sdram_params, 1);
+	if (ret != 0)
+		goto out;
+
+	cap_info->cs1_row =
+		dram_detect_cs1_row(dram, sdram_params, 0);
+	if (cap_info->cs1_row) {
+		sys_reg = readl(&dram->pmugrf->os_reg[2]);
+		sys_reg3 = readl(&dram->pmugrf->os_reg[3]);
+		SYS_REG_ENC_CS1_ROW(cap_info->cs1_row,
+				    sys_reg, sys_reg3, 0);
+		writel(sys_reg, &dram->pmugrf->os_reg[2]);
+		writel(sys_reg3, &dram->pmugrf->os_reg[3]);
+	}
+
+	sdram_detect_high_row(cap_info);
+	split_setup(dram, sdram_params);
+out:
+	return ret;
+}
+
+struct rv1126_sdram_params *get_default_sdram_config(u32 freq_mhz)
+{
+	u32 i;
+	u32 offset = 0;
+	struct ddr2_3_4_lp2_3_info *ddr_info;
+
+	if (!freq_mhz) {
+		ddr_info = get_ddr_drv_odt_info(sdram_configs[0].base.dramtype);
+		if (ddr_info)
+			freq_mhz =
+				(ddr_info->ddr_freq0_1 >> DDR_FREQ_F0_SHIFT) &
+				DDR_FREQ_MASK;
+		else
+			freq_mhz = 0;
+	}
+
+	for (i = 0; i < ARRAY_SIZE(sdram_configs); i++) {
+		if (sdram_configs[i].base.ddr_freq == 0 ||
+		    freq_mhz < sdram_configs[i].base.ddr_freq)
+			break;
+	}
+	offset = i == 0 ? 0 : i - 1;
+
+	return &sdram_configs[offset];
+}
+
+static const u16 pctl_need_update_reg[] = {
+	DDR_PCTL2_RFSHTMG,
+	DDR_PCTL2_INIT3,
+	DDR_PCTL2_INIT4,
+	DDR_PCTL2_INIT6,
+	DDR_PCTL2_INIT7,
+	DDR_PCTL2_DRAMTMG0,
+	DDR_PCTL2_DRAMTMG1,
+	DDR_PCTL2_DRAMTMG2,
+	DDR_PCTL2_DRAMTMG3,
+	DDR_PCTL2_DRAMTMG4,
+	DDR_PCTL2_DRAMTMG5,
+	DDR_PCTL2_DRAMTMG6,
+	DDR_PCTL2_DRAMTMG7,
+	DDR_PCTL2_DRAMTMG8,
+	DDR_PCTL2_DRAMTMG9,
+	DDR_PCTL2_DRAMTMG12,
+	DDR_PCTL2_DRAMTMG13,
+	DDR_PCTL2_DRAMTMG14,
+	DDR_PCTL2_ZQCTL0,
+	DDR_PCTL2_DFITMG0,
+	DDR_PCTL2_ODTCFG
+};
+
+static const u16 phy_need_update_reg[] = {
+	0x14,
+	0x18,
+	0x1c
+};
+
+static void pre_set_rate(struct dram_info *dram,
+			 struct rv1126_sdram_params *sdram_params,
+			 u32 dst_fsp, u32 dst_fsp_lp4)
+{
+	u32 i, j, find;
+	void __iomem *pctl_base = dram->pctl;
+	void __iomem *phy_base = dram->phy;
+	u32 phy_offset;
+	u32 mr_tmp;
+	u32 dramtype = sdram_params->base.dramtype;
+
+	sw_set_req(dram);
+	/* pctl timing update */
+	for (i = 0, find = 0; i < ARRAY_SIZE(pctl_need_update_reg); i++) {
+		for (j = find; sdram_params->pctl_regs.pctl[j][0] != 0xFFFFFFFF;
+		     j++) {
+			if (sdram_params->pctl_regs.pctl[j][0] ==
+			    pctl_need_update_reg[i]) {
+				writel(sdram_params->pctl_regs.pctl[j][1],
+				       pctl_base + UMCTL2_REGS_FREQ(dst_fsp) +
+				       pctl_need_update_reg[i]);
+				find = j;
+				break;
+			}
+		}
+	}
+
+#ifdef CONFIG_ROCKCHIP_DRAM_EXTENDED_TEMP_SUPPORT
+	u32 tmp, trefi;
+
+	tmp = readl(pctl_base + UMCTL2_REGS_FREQ(dst_fsp) + DDR_PCTL2_RFSHTMG);
+	trefi = (tmp >> 16) & 0xfff;
+	writel((tmp & 0xf000ffff) | (trefi / 2) << 16,
+	       pctl_base + UMCTL2_REGS_FREQ(dst_fsp) + DDR_PCTL2_RFSHTMG);
+#endif
+
+	sw_set_ack(dram);
+
+	/* phy timing update */
+	if (dst_fsp == 0)
+		phy_offset = 0;
+	else
+		phy_offset = PHY_REG(0, 0x387 - 5 + (dst_fsp - 1) * 3);
+	/* cl cwl al update */
+	for (i = 0, find = 0; i < ARRAY_SIZE(phy_need_update_reg); i++) {
+		for (j = find; sdram_params->phy_regs.phy[j][0] != 0xFFFFFFFF;
+		     j++) {
+			if (sdram_params->phy_regs.phy[j][0] ==
+			    phy_need_update_reg[i]) {
+				writel(sdram_params->phy_regs.phy[j][1],
+				       phy_base + phy_offset +
+				       phy_need_update_reg[i]);
+				find = j;
+				break;
+			}
+		}
+	}
+
+	set_ds_odt(dram, sdram_params, dst_fsp);
+	if (dramtype == LPDDR4) {
+		mr_tmp = readl(pctl_base + UMCTL2_REGS_FREQ(dst_fsp) +
+			       DDR_PCTL2_INIT4);
+		/* MR13 */
+		pctl_write_mr(dram->pctl, 3, 13,
+			      ((mr_tmp >> PCTL2_LPDDR4_MR13_SHIFT &
+			       PCTL2_MR_MASK) & (~(BIT(7) | BIT(6)))) |
+			      ((0x2 << 6) >> dst_fsp_lp4), dramtype);
+		writel(((mr_tmp >> PCTL2_LPDDR4_MR13_SHIFT &
+				      PCTL2_MR_MASK) & (~(BIT(7) | BIT(6)))) |
+				      ((0x2 << 6) >> dst_fsp_lp4),
+				       PHY_REG(phy_base, 0x1b));
+		/* MR3 */
+		pctl_write_mr(dram->pctl, 3, 3,
+			      mr_tmp >> PCTL2_LPDDR234_MR3_SHIFT &
+			      PCTL2_MR_MASK,
+			      dramtype);
+		writel(mr_tmp >> PCTL2_LPDDR234_MR3_SHIFT & PCTL2_MR_MASK,
+		       PHY_REG(phy_base, 0x19));
+
+		mr_tmp = readl(pctl_base + UMCTL2_REGS_FREQ(dst_fsp) +
+			       DDR_PCTL2_INIT3);
+		/* MR1 */
+		pctl_write_mr(dram->pctl, 3, 1,
+			      mr_tmp >> PCTL2_LPDDR234_MR1_SHIFT &
+			      PCTL2_MR_MASK,
+			      dramtype);
+		writel(mr_tmp >> PCTL2_LPDDR234_MR1_SHIFT & PCTL2_MR_MASK,
+		       PHY_REG(phy_base, 0x17));
+		/* MR2 */
+		pctl_write_mr(dram->pctl, 3, 2, mr_tmp & PCTL2_MR_MASK,
+			      dramtype);
+		writel(mr_tmp & PCTL2_MR_MASK,
+		       PHY_REG(phy_base, 0x18));
+
+		mr_tmp = readl(pctl_base + UMCTL2_REGS_FREQ(dst_fsp) +
+			       DDR_PCTL2_INIT6);
+		/* MR11 */
+		pctl_write_mr(dram->pctl, 3, 11,
+			      mr_tmp >> PCTL2_LPDDR4_MR11_SHIFT & PCTL2_MR_MASK,
+			      dramtype);
+		writel(mr_tmp >> PCTL2_LPDDR4_MR11_SHIFT & PCTL2_MR_MASK,
+		       PHY_REG(phy_base, 0x1a));
+		/* MR12 */
+		pctl_write_mr(dram->pctl, 3, 12,
+			      mr_tmp >> PCTL2_LPDDR4_MR12_SHIFT & PCTL2_MR_MASK,
+			      dramtype);
+
+		mr_tmp = readl(pctl_base + UMCTL2_REGS_FREQ(dst_fsp) +
+			       DDR_PCTL2_INIT7);
+		/* MR22 */
+		pctl_write_mr(dram->pctl, 3, 22,
+			      mr_tmp >> PCTL2_LPDDR4_MR22_SHIFT & PCTL2_MR_MASK,
+			      dramtype);
+		writel(mr_tmp >> PCTL2_LPDDR4_MR22_SHIFT & PCTL2_MR_MASK,
+		       PHY_REG(phy_base, 0x1d));
+		/* MR14 */
+		pctl_write_mr(dram->pctl, 3, 14,
+			      mr_tmp >> PCTL2_LPDDR4_MR14_SHIFT & PCTL2_MR_MASK,
+			      dramtype);
+		writel(mr_tmp >> PCTL2_LPDDR4_MR14_SHIFT & PCTL2_MR_MASK,
+		       PHY_REG(phy_base, 0x1c));
+	}
+
+	update_noc_timing(dram, sdram_params);
+}
+
+static void save_fsp_param(struct dram_info *dram, u32 dst_fsp,
+			   struct rv1126_sdram_params *sdram_params)
+{
+	void __iomem *pctl_base = dram->pctl;
+	void __iomem *phy_base = dram->phy;
+	struct rv1126_fsp_param *p_fsp_param = &fsp_param[dst_fsp];
+	u32 temp, temp1;
+	struct ddr2_3_4_lp2_3_info *ddr_info;
+
+	ddr_info = get_ddr_drv_odt_info(sdram_params->base.dramtype);
+
+	p_fsp_param->freq_mhz = sdram_params->base.ddr_freq;
+
+	if (sdram_params->base.dramtype == LPDDR4) {
+		p_fsp_param->rd_odt_up_en = 0;
+		p_fsp_param->rd_odt_down_en = 1;
+	} else {
+		p_fsp_param->rd_odt_up_en =
+			ODT_INFO_PULLUP_EN(ddr_info->odt_info);
+		p_fsp_param->rd_odt_down_en =
+			ODT_INFO_PULLDOWN_EN(ddr_info->odt_info);
+	}
+
+	if (p_fsp_param->rd_odt_up_en)
+		p_fsp_param->rd_odt = readl(PHY_REG(phy_base, 0x111));
+	else if (p_fsp_param->rd_odt_down_en)
+		p_fsp_param->rd_odt = readl(PHY_REG(phy_base, 0x110));
+	else
+		p_fsp_param->rd_odt = 0;
+	p_fsp_param->wr_dq_drv = readl(PHY_REG(phy_base, 0x112));
+	p_fsp_param->wr_ca_drv = readl(PHY_REG(phy_base, 0x100));
+	p_fsp_param->wr_ckcs_drv = readl(PHY_REG(phy_base, 0x102));
+	p_fsp_param->vref_inner = readl(PHY_REG(phy_base, 0x128));
+	p_fsp_param->vref_out = readl(PHY_REG(phy_base, 0x105));
+
+	if (sdram_params->base.dramtype == DDR3) {
+		temp = readl(pctl_base + UMCTL2_REGS_FREQ(dst_fsp) +
+			     DDR_PCTL2_INIT3);
+		temp = (temp >> PCTL2_DDR34_MR1_SHIFT) & PCTL2_MR_MASK;
+		p_fsp_param->ds_pdds = temp & DDR3_DS_MASK;
+		p_fsp_param->dq_odt = temp & DDR3_RTT_NOM_MASK;
+		p_fsp_param->ca_odt = p_fsp_param->dq_odt;
+	} else if (sdram_params->base.dramtype == DDR4) {
+		temp = readl(pctl_base + UMCTL2_REGS_FREQ(dst_fsp) +
+			     DDR_PCTL2_INIT3);
+		temp = (temp >> PCTL2_DDR34_MR1_SHIFT) & PCTL2_MR_MASK;
+		p_fsp_param->ds_pdds = temp & DDR4_DS_MASK;
+		p_fsp_param->dq_odt = temp & DDR4_RTT_NOM_MASK;
+		p_fsp_param->ca_odt = p_fsp_param->dq_odt;
+	} else if (sdram_params->base.dramtype == LPDDR3) {
+		temp = readl(pctl_base + UMCTL2_REGS_FREQ(dst_fsp) +
+			     DDR_PCTL2_INIT4);
+		temp = (temp >> PCTL2_LPDDR234_MR3_SHIFT) & PCTL2_MR_MASK;
+		p_fsp_param->ds_pdds = temp & 0xf;
+
+		p_fsp_param->dq_odt = lp3_odt_value;
+		p_fsp_param->ca_odt = p_fsp_param->dq_odt;
+	} else if (sdram_params->base.dramtype == LPDDR4) {
+		temp = readl(pctl_base + UMCTL2_REGS_FREQ(dst_fsp) +
+			     DDR_PCTL2_INIT4);
+		temp = (temp >> PCTL2_LPDDR234_MR3_SHIFT) & PCTL2_MR_MASK;
+		p_fsp_param->ds_pdds = temp & LPDDR4_PDDS_MASK;
+
+		temp = readl(pctl_base + UMCTL2_REGS_FREQ(dst_fsp) +
+			     DDR_PCTL2_INIT6);
+		temp = (temp >> PCTL2_LPDDR4_MR11_SHIFT) & PCTL2_MR_MASK;
+		p_fsp_param->dq_odt = temp & LPDDR4_DQODT_MASK;
+		p_fsp_param->ca_odt = temp & LPDDR4_CAODT_MASK;
+
+		temp = MAX(readl(PHY_REG(phy_base, 0x3ae)),
+			   readl(PHY_REG(phy_base, 0x3ce)));
+		temp1 = MIN(readl(PHY_REG(phy_base, 0x3be)),
+			    readl(PHY_REG(phy_base, 0x3de)));
+		p_fsp_param->vref_ca[0] = (temp + temp1) / 2;
+		temp = MAX(readl(PHY_REG(phy_base, 0x3af)),
+			   readl(PHY_REG(phy_base, 0x3cf)));
+		temp1 = MIN(readl(PHY_REG(phy_base, 0x3bf)),
+			    readl(PHY_REG(phy_base, 0x3df)));
+		p_fsp_param->vref_ca[1] = (temp + temp1) / 2;
+		p_fsp_param->vref_ca[0] |=
+			(readl(PHY_REG(phy_base, 0x1e)) & BIT(6));
+		p_fsp_param->vref_ca[1] |=
+			(readl(PHY_REG(phy_base, 0x1e)) & BIT(6));
+
+		p_fsp_param->lp4_drv_pd_en = (readl(PHY_REG(phy_base, 0x114)) >>
+					      3) & 0x1;
+	}
+
+	p_fsp_param->noc_timings.ddrtiminga0 =
+		sdram_params->ch.noc_timings.ddrtiminga0;
+	p_fsp_param->noc_timings.ddrtimingb0 =
+		sdram_params->ch.noc_timings.ddrtimingb0;
+	p_fsp_param->noc_timings.ddrtimingc0 =
+		sdram_params->ch.noc_timings.ddrtimingc0;
+	p_fsp_param->noc_timings.devtodev0 =
+		sdram_params->ch.noc_timings.devtodev0;
+	p_fsp_param->noc_timings.ddrmode =
+		sdram_params->ch.noc_timings.ddrmode;
+	p_fsp_param->noc_timings.ddr4timing =
+		sdram_params->ch.noc_timings.ddr4timing;
+	p_fsp_param->noc_timings.agingx0 =
+		sdram_params->ch.noc_timings.agingx0;
+	p_fsp_param->noc_timings.aging0 =
+		sdram_params->ch.noc_timings.aging0;
+	p_fsp_param->noc_timings.aging1 =
+		sdram_params->ch.noc_timings.aging1;
+	p_fsp_param->noc_timings.aging2 =
+		sdram_params->ch.noc_timings.aging2;
+	p_fsp_param->noc_timings.aging3 =
+		sdram_params->ch.noc_timings.aging3;
+
+	p_fsp_param->flag = FSP_FLAG;
+}
+
+static void copy_fsp_param_to_ddr(void)
+{
+	memcpy((void *)FSP_PARAM_STORE_ADDR, (void *)&fsp_param,
+	       sizeof(fsp_param));
+}
+
+static void pctl_modify_trfc(struct ddr_pctl_regs *pctl_regs,
+			     struct sdram_cap_info *cap_info, u32 dram_type,
+			     u32 freq)
+{
+	u64 cs0_cap;
+	u32 die_cap;
+	u32 trfc_ns, trfc4_ns;
+	u32 trfc, txsnr;
+	u32 txs_abort_fast = 0;
+	u32 tmp;
+
+	cs0_cap = sdram_get_cs_cap(cap_info, 0, dram_type);
+	die_cap = (u32)(cs0_cap >> (20 + (cap_info->bw - cap_info->dbw)));
+
+	switch (dram_type) {
+	case DDR3:
+		if (die_cap <= DIE_CAP_512MBIT)
+			trfc_ns = 90;
+		else if (die_cap <= DIE_CAP_1GBIT)
+			trfc_ns = 110;
+		else if (die_cap <= DIE_CAP_2GBIT)
+			trfc_ns = 160;
+		else if (die_cap <= DIE_CAP_4GBIT)
+			trfc_ns = 260;
+		else
+			trfc_ns = 350;
+		txsnr = MAX(5, ((trfc_ns + 10) * freq + 999) / 1000);
+		break;
+
+	case DDR4:
+		if (die_cap <= DIE_CAP_2GBIT) {
+			trfc_ns = 160;
+			trfc4_ns = 90;
+		} else if (die_cap <= DIE_CAP_4GBIT) {
+			trfc_ns = 260;
+			trfc4_ns = 110;
+		} else if (die_cap <= DIE_CAP_8GBIT) {
+			trfc_ns = 350;
+			trfc4_ns = 160;
+		} else {
+			trfc_ns = 550;
+			trfc4_ns = 260;
+		}
+		txsnr = ((trfc_ns + 10) * freq + 999) / 1000;
+		txs_abort_fast = ((trfc4_ns + 10) * freq + 999) / 1000;
+		break;
+
+	case LPDDR3:
+		if (die_cap <= DIE_CAP_4GBIT)
+			trfc_ns = 130;
+		else
+			trfc_ns = 210;
+		txsnr = MAX(2, ((trfc_ns + 10) * freq + 999) / 1000);
+		break;
+
+	case LPDDR4:
+		if (die_cap <= DIE_CAP_2GBIT)
+			trfc_ns = 130;
+		else if (die_cap <= DIE_CAP_4GBIT)
+			trfc_ns = 180;
+		else if (die_cap <= DIE_CAP_8GBIT)
+			trfc_ns = 280;
+		else
+			trfc_ns = 380;
+		txsnr = MAX(2, ((trfc_ns + 10) * freq + 999) / 1000);
+		break;
+
+	default:
+		return;
+	}
+	trfc = (trfc_ns * freq + 999) / 1000;
+
+	for (int i = 0; pctl_regs->pctl[i][0] != 0xffffffff; i++) {
+		switch (pctl_regs->pctl[i][0]) {
+		case DDR_PCTL2_RFSHTMG:
+			tmp = pctl_regs->pctl[i][1];
+			/* t_rfc_min */
+			tmp &= ~((u32)0x3ff);
+			tmp |= ((trfc + 1) / 2) & 0x3ff;
+			pctl_regs->pctl[i][1] = tmp;
+			break;
+
+		case DDR_PCTL2_DRAMTMG8:
+			if (dram_type == DDR3 || dram_type == DDR4) {
+				tmp = pctl_regs->pctl[i][1];
+				/* t_xs_x32 */
+				tmp &= ~((u32)0x7f);
+				tmp |= ((txsnr + 63) / 64) & 0x7f;
+
+				if (dram_type == DDR4) {
+					/* t_xs_abort_x32 */
+					tmp &= ~((u32)(0x7f << 16));
+					tmp |= (((txs_abort_fast + 63) / 64) & 0x7f) << 16;
+					/* t_xs_fast_x32 */
+					tmp &= ~((u32)(0x7f << 24));
+					tmp |= (((txs_abort_fast + 63) / 64) & 0x7f) << 24;
+				}
+
+				pctl_regs->pctl[i][1] = tmp;
+			}
+			break;
+
+		case DDR_PCTL2_DRAMTMG14:
+			if (dram_type == LPDDR3 ||
+			    dram_type == LPDDR4) {
+				tmp = pctl_regs->pctl[i][1];
+				/* t_xsr */
+				tmp &= ~((u32)0xfff);
+				tmp |= ((txsnr + 1) / 2) & 0xfff;
+				pctl_regs->pctl[i][1] = tmp;
+			}
+			break;
+
+		default:
+			break;
+		}
+	}
+}
+
+void ddr_set_rate(struct dram_info *dram,
+		  struct rv1126_sdram_params *sdram_params,
+		  u32 freq, u32 cur_freq, u32 dst_fsp,
+		  u32 dst_fsp_lp4, u32 training_en)
+{
+	u32 dest_dll_off, cur_init3, dst_init3, cur_fsp, cur_dll_off;
+	u32 mr_tmp;
+	u32 lp_stat;
+	u32 dramtype = sdram_params->base.dramtype;
+	struct rv1126_sdram_params *sdram_params_new;
+	void __iomem *pctl_base = dram->pctl;
+	void __iomem *phy_base = dram->phy;
+
+	lp_stat = low_power_update(dram, 0);
+	sdram_params_new = get_default_sdram_config(freq);
+	sdram_params_new->ch.cap_info.rank = sdram_params->ch.cap_info.rank;
+	sdram_params_new->ch.cap_info.bw = sdram_params->ch.cap_info.bw;
+
+	pctl_modify_trfc(&sdram_params_new->pctl_regs,
+			 &sdram_params->ch.cap_info, dramtype, freq);
+	pre_set_rate(dram, sdram_params_new, dst_fsp, dst_fsp_lp4);
+
+	while ((readl(pctl_base + DDR_PCTL2_STAT) &
+			 PCTL2_OPERATING_MODE_MASK) ==
+			 PCTL2_OPERATING_MODE_SR)
+		continue;
+
+	dest_dll_off = 0;
+	dst_init3 = readl(pctl_base + UMCTL2_REGS_FREQ(dst_fsp) +
+			  DDR_PCTL2_INIT3);
+	if ((dramtype == DDR3 && (dst_init3 & 1)) ||
+	    (dramtype == DDR4 && !(dst_init3 & 1)))
+		dest_dll_off = 1;
+
+	cur_fsp = readl(pctl_base + DDR_PCTL2_MSTR2) & 0x3;
+	cur_init3 = readl(pctl_base + UMCTL2_REGS_FREQ(cur_fsp) +
+			  DDR_PCTL2_INIT3);
+	cur_init3 &= PCTL2_MR_MASK;
+	cur_dll_off = 1;
+	if ((dramtype == DDR3 && !(cur_init3 & 1)) ||
+	    (dramtype == DDR4 && (cur_init3 & 1)))
+		cur_dll_off = 0;
+
+	if (!cur_dll_off) {
+		if (dramtype == DDR3)
+			cur_init3 |= 1;
+		else
+			cur_init3 &= ~1;
+		pctl_write_mr(dram->pctl, 2, 1, cur_init3, dramtype);
+	}
+
+	setbits_le32(pctl_base + DDR_PCTL2_RFSHCTL3,
+		     PCTL2_DIS_AUTO_REFRESH);
+	update_refresh_reg(dram);
+
+	enter_sr(dram, 1);
+
+	writel(PMUGRF_CON_DDRPHY_BUFFEREN_MASK |
+	       PMUGRF_CON_DDRPHY_BUFFEREN_EN,
+	       &dram->pmugrf->soc_con[0]);
+	sw_set_req(dram);
+	clrbits_le32(pctl_base + DDR_PCTL2_DFIMISC,
+		     PCTL2_DFI_INIT_COMPLETE_EN);
+	sw_set_ack(dram);
+
+	sw_set_req(dram);
+	if ((dramtype == DDR3 || dramtype == DDR4) && dest_dll_off)
+		setbits_le32(pctl_base + DDR_PCTL2_MSTR, PCTL2_DLL_OFF_MODE);
+	else
+		clrbits_le32(pctl_base + DDR_PCTL2_MSTR, PCTL2_DLL_OFF_MODE);
+
+	setbits_le32(pctl_base + UMCTL2_REGS_FREQ(cur_fsp) + DDR_PCTL2_ZQCTL0,
+		     PCTL2_DIS_SRX_ZQCL);
+	setbits_le32(pctl_base + UMCTL2_REGS_FREQ(dst_fsp) + DDR_PCTL2_ZQCTL0,
+		     PCTL2_DIS_SRX_ZQCL);
+	sw_set_ack(dram);
+
+	writel(DDR_MSCH_EN_MASK | (0x1 << DDR_MSCH_EN_SHIFT),
+	       &dram->cru->clkgate_con[21]);
+	writel(CLK_DDR_UPCTL_EN_MASK | ACLK_DDR_UPCTL_EN_MASK |
+					(0x1 << CLK_DDR_UPCTL_EN_SHIFT) |
+					(0x1 << ACLK_DDR_UPCTL_EN_SHIFT),
+			BUS_SGRF_BASE_ADDR + SGRF_SOC_CON12);
+
+	clrbits_le32(PHY_REG(phy_base, 0), ANALOG_DERESET | DIGITAL_DERESET);
+	rkclk_set_dpll(dram, freq * MHz / 2);
+	phy_pll_set(dram, freq * MHz, 0);
+	phy_pll_set(dram, freq * MHz, 1);
+	setbits_le32(PHY_REG(phy_base, 0), ANALOG_DERESET | DIGITAL_DERESET);
+
+	writel(PMUGRF_CON_DDRPHY_BUFFEREN_MASK |
+			PMUGRF_CON_DDRPHY_BUFFEREN_DIS,
+			&dram->pmugrf->soc_con[0]);
+	writel(DDR_MSCH_EN_MASK | (0x0 << DDR_MSCH_EN_SHIFT),
+	       &dram->cru->clkgate_con[21]);
+	writel(CLK_DDR_UPCTL_EN_MASK | ACLK_DDR_UPCTL_EN_MASK |
+					(0x0 << CLK_DDR_UPCTL_EN_SHIFT) |
+					(0x0 << ACLK_DDR_UPCTL_EN_SHIFT),
+			BUS_SGRF_BASE_ADDR + SGRF_SOC_CON12);
+	while ((readl(pctl_base + DDR_PCTL2_DFISTAT) &
+	       PCTL2_DFI_INIT_COMPLETE) != PCTL2_DFI_INIT_COMPLETE)
+		continue;
+
+	sw_set_req(dram);
+	setbits_le32(pctl_base + DDR_PCTL2_MSTR, 0x1 << 29);
+	clrsetbits_le32(pctl_base + DDR_PCTL2_MSTR2, 0x3, dst_fsp);
+	sw_set_ack(dram);
+	update_refresh_reg(dram);
+	clrsetbits_le32(PHY_REG(phy_base, 0xc), 0x3 << 2, dst_fsp << 2);
+
+	enter_sr(dram, 0);
+
+	setbits_le32(PHY_REG(phy_base, 0x71), 1 << 5);
+	clrbits_le32(PHY_REG(phy_base, 0x71), 1 << 5);
+
+	mr_tmp = readl(pctl_base + UMCTL2_REGS_FREQ(dst_fsp) + DDR_PCTL2_INIT4);
+	if (dramtype == LPDDR3) {
+		pctl_write_mr(dram->pctl, 3, 1,
+			      (dst_init3 >> PCTL2_LPDDR234_MR1_SHIFT) &
+			      PCTL2_MR_MASK,
+			      dramtype);
+		pctl_write_mr(dram->pctl, 3, 2, dst_init3 & PCTL2_MR_MASK,
+			      dramtype);
+		pctl_write_mr(dram->pctl, 3, 3,
+			      (mr_tmp >> PCTL2_LPDDR234_MR3_SHIFT) &
+			      PCTL2_MR_MASK,
+			      dramtype);
+		pctl_write_mr(dram->pctl, 3, 11, lp3_odt_value, dramtype);
+	} else if ((dramtype == DDR3) || (dramtype == DDR4)) {
+		pctl_write_mr(dram->pctl, 3, 1, dst_init3 & PCTL2_MR_MASK,
+			      dramtype);
+		if (!dest_dll_off) {
+			pctl_write_mr(dram->pctl, 3, 0,
+				      ((dst_init3 >> PCTL2_DDR34_MR0_SHIFT) &
+				      PCTL2_MR_MASK) | DDR3_DLL_RESET,
+				      dramtype);
+			udelay(2);
+		}
+		pctl_write_mr(dram->pctl, 3, 0,
+			      (dst_init3 >> PCTL2_DDR34_MR0_SHIFT &
+			       PCTL2_MR_MASK) & (~DDR3_DLL_RESET),
+			      dramtype);
+		pctl_write_mr(dram->pctl, 3, 2,
+			      ((mr_tmp >> PCTL2_DDR34_MR2_SHIFT) &
+			       PCTL2_MR_MASK), dramtype);
+		if (dramtype == DDR4) {
+			pctl_write_mr(dram->pctl, 3, 3, mr_tmp & PCTL2_MR_MASK,
+				      dramtype);
+			mr_tmp = readl(pctl_base + UMCTL2_REGS_FREQ(dst_fsp) +
+				       DDR_PCTL2_INIT6);
+			pctl_write_mr(dram->pctl, 3, 4,
+				      (mr_tmp >> PCTL2_DDR4_MR4_SHIFT) &
+				       PCTL2_MR_MASK,
+				      dramtype);
+			pctl_write_mr(dram->pctl, 3, 5,
+				      mr_tmp >> PCTL2_DDR4_MR5_SHIFT &
+				      PCTL2_MR_MASK,
+				      dramtype);
+
+			mr_tmp = readl(pctl_base + UMCTL2_REGS_FREQ(dst_fsp) +
+				       DDR_PCTL2_INIT7);
+			pctl_write_mr(dram->pctl, 3, 6,
+				      mr_tmp >> PCTL2_DDR4_MR6_SHIFT &
+				      PCTL2_MR_MASK,
+				      dramtype);
+		}
+	} else if (dramtype == LPDDR4) {
+		pctl_write_mr(dram->pctl, 3, 13,
+			      ((mr_tmp >> PCTL2_LPDDR4_MR13_SHIFT &
+			       PCTL2_MR_MASK) & (~(BIT(7)))) |
+			      dst_fsp_lp4 << 7, dramtype);
+	}
+	clrbits_le32(pctl_base + DDR_PCTL2_RFSHCTL3,
+		     PCTL2_DIS_AUTO_REFRESH);
+	update_refresh_reg(dram);
+
+	/* training */
+	high_freq_training(dram, sdram_params_new, dst_fsp);
+	low_power_update(dram, lp_stat);
+
+	save_fsp_param(dram, dst_fsp, sdram_params_new);
+}
+
+static void ddr_set_rate_for_fsp(struct dram_info *dram,
+				 struct rv1126_sdram_params *sdram_params)
+{
+	struct ddr2_3_4_lp2_3_info *ddr_info;
+	u32 f0;
+	u32 dramtype = sdram_params->base.dramtype;
+	u32 f1, f2, f3;
+
+	ddr_info = get_ddr_drv_odt_info(dramtype);
+	if (!ddr_info)
+		return;
+
+	f0 = (ddr_info->ddr_freq0_1 >> DDR_FREQ_F0_SHIFT) &
+	     DDR_FREQ_MASK;
+
+	memset((void *)FSP_PARAM_STORE_ADDR, 0, sizeof(fsp_param));
+	memset((void *)&fsp_param, 0, sizeof(fsp_param));
+
+	f1 = (ddr_info->ddr_freq0_1 >> DDR_FREQ_F1_SHIFT) &
+	     DDR_FREQ_MASK;
+	f2 = (ddr_info->ddr_freq2_3 >> DDR_FREQ_F2_SHIFT) &
+	     DDR_FREQ_MASK;
+	f3 = (ddr_info->ddr_freq2_3 >> DDR_FREQ_F3_SHIFT) &
+	     DDR_FREQ_MASK;
+
+	if (get_wrlvl_val(dram, sdram_params))
+		printascii("get wrlvl value fail\n");
+
+	printascii("change to: ");
+	printdec(f1);
+	printascii("MHz\n");
+	ddr_set_rate(&dram_info, sdram_params, f1,
+		     sdram_params->base.ddr_freq, 1, 1, 1);
+	printascii("change to: ");
+	printdec(f2);
+	printascii("MHz\n");
+	ddr_set_rate(&dram_info, sdram_params, f2, f1, 2, 0, 1);
+	printascii("change to: ");
+	printdec(f3);
+	printascii("MHz\n");
+	ddr_set_rate(&dram_info, sdram_params, f3, f2, 3, 1, 1);
+	printascii("change to: ");
+	printdec(f0);
+	printascii("MHz(final freq)\n");
+	ddr_set_rate(&dram_info, sdram_params, f0, f3, 0, 0, 1);
+}
+
+int get_uart_config(void)
+{
+	struct sdram_head_info_index_v2 *index =
+		(struct sdram_head_info_index_v2 *)common_info;
+	struct global_info *gbl_info;
+
+	gbl_info = (struct global_info *)((void *)common_info +
+		index->global_index.offset * 4);
+
+	return gbl_info->uart_info;
+}
+
+/* return: 0 = success, other = fail */
+static int rv1126_dmc_init(struct udevice *dev)
+{
+	struct rv1126_sdram_params *sdram_params;
+	int ret = 0;
+	struct sdram_head_info_index_v2 *index =
+		(struct sdram_head_info_index_v2 *)common_info;
+	struct global_info *gbl_info;
+
+	dram_info.phy = (void *)DDR_PHY_BASE_ADDR;
+	dram_info.pctl = (void *)UPCTL2_BASE_ADDR;
+	dram_info.grf = (void *)GRF_BASE_ADDR;
+	dram_info.cru = (void *)CRU_BASE_ADDR;
+	dram_info.msch = (void *)SERVER_MSCH_BASE_ADDR;
+	dram_info.ddrgrf = (void *)DDR_GRF_BASE_ADDR;
+	dram_info.pmugrf = (void *)PMU_GRF_BASE_ADDR;
+
+#ifdef CONFIG_ROCKCHIP_DRAM_EXTENDED_TEMP_SUPPORT
+	printascii("extended temp support\n");
+#endif
+	if (index->version_info != 2 ||
+	    (index->global_index.size != sizeof(struct global_info) / 4) ||
+	    (index->ddr3_index.size !=
+		sizeof(struct ddr2_3_4_lp2_3_info) / 4) ||
+	    (index->ddr4_index.size !=
+		sizeof(struct ddr2_3_4_lp2_3_info) / 4) ||
+	    (index->lp3_index.size !=
+		sizeof(struct ddr2_3_4_lp2_3_info) / 4) ||
+	    (index->lp4_index.size != (sizeof(struct lp4_info) / 4)) ||
+	    (index->lp4x_index.size != (sizeof(struct lp4_info) / 4)) ||
+	    index->global_index.offset == 0 ||
+	    index->ddr3_index.offset == 0 ||
+	    index->ddr4_index.offset == 0 ||
+	    index->lp3_index.offset == 0 ||
+	    index->lp4_index.offset == 0 ||
+	    index->lp4x_index.offset == 0) {
+		printascii("common info error\n");
+		goto error;
+	}
+
+	gbl_info = (struct global_info *)((void *)common_info +
+		index->global_index.offset * 4);
+
+	dram_info.sr_idle = SR_INFO(gbl_info->sr_pd_info);
+	dram_info.pd_idle = PD_INFO(gbl_info->sr_pd_info);
+
+	sdram_params = &sdram_configs[0];
+	if (sdram_params->base.dramtype == DDR3 ||
+	    sdram_params->base.dramtype == DDR4) {
+		if (DDR_2T_INFO(gbl_info->info_2t))
+			sdram_params->pctl_regs.pctl[0][1] |= 0x1 << 10;
+		else
+			sdram_params->pctl_regs.pctl[0][1] &=
+				~(0x1 << 10);
+	}
+	ret = sdram_init_detect(&dram_info, sdram_params);
+	if (ret) {
+		sdram_print_dram_type(sdram_params->base.dramtype);
+		printascii(", ");
+		printdec(sdram_params->base.ddr_freq);
+		printascii("MHz\n");
+		goto error;
+	}
+	print_ddr_info(sdram_params);
+#if defined(CONFIG_CMD_DDR_TEST_TOOL)
+	init_rw_trn_result_struct(&rw_trn_result, dram_info.phy,
+				  (u8)sdram_params->ch.cap_info.rank);
+#endif
+
+	ddr_set_rate_for_fsp(&dram_info, sdram_params);
+	copy_fsp_param_to_ddr();
+
+#if defined(CONFIG_CMD_DDR_TEST_TOOL)
+	save_rw_trn_result_to_ddr(&rw_trn_result);
+#endif
+
+	printascii("out\n");
+
+	return ret;
+error:
+	printascii("error\n");
+	return (-1);
+}
+
+#endif
+
+static int rv1126_dmc_probe(struct udevice *dev)
+{
+#if defined(CONFIG_TPL_BUILD) || \
+	(!defined(CONFIG_TPL) && defined(CONFIG_SPL_BUILD))
+	if (rv1126_dmc_init(dev))
+		return 0;
+#else
+	struct dram_info *priv = dev_get_priv(dev);
+
+	priv->pmugrf = syscon_get_first_range(ROCKCHIP_SYSCON_PMUGRF);
+	debug("%s: grf=%p\n", __func__, priv->pmugrf);
+	priv->info.base = CFG_SYS_SDRAM_BASE;
+	priv->info.size =
+		rockchip_sdram_size((phys_addr_t)&priv->pmugrf->os_reg[2]);
+#endif
+	return 0;
+}
+
+static int rv1126_dmc_get_info(struct udevice *dev, struct ram_info *info)
+{
+	struct dram_info *priv = dev_get_priv(dev);
+
+	*info = priv->info;
+
+	return 0;
+}
+
+static struct ram_ops rv1126_dmc_ops = {
+	.get_info = rv1126_dmc_get_info,
+};
+
+static const struct udevice_id rv1126_dmc_ids[] = {
+	{ .compatible = "rockchip,rv1126-dmc" },
+	{ }
+};
+
+U_BOOT_DRIVER(dmc_rv1126) = {
+	.name = "rockchip_rv1126_dmc",
+	.id = UCLASS_RAM,
+	.of_match = rv1126_dmc_ids,
+	.ops = &rv1126_dmc_ops,
+	.probe = rv1126_dmc_probe,
+	.priv_auto = sizeof(struct dram_info),
+};