diff --git a/arch/arm/include/asm/arch-px30/boot0.h b/arch/arm/include/asm/arch-px30/boot0.h
new file mode 100644
index 0000000000..2e78b074ad
--- /dev/null
+++ b/arch/arm/include/asm/arch-px30/boot0.h
@@ -0,0 +1,11 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * (C) Copyright 2019 Rockchip Electronics Co., Ltd
+ */
+
+#ifndef __ASM_ARCH_BOOT0_H__
+#define __ASM_ARCH_BOOT0_H__
+
+#include <asm/arch-rockchip/boot0.h>
+
+#endif
diff --git a/arch/arm/include/asm/arch-px30/gpio.h b/arch/arm/include/asm/arch-px30/gpio.h
new file mode 100644
index 0000000000..eca79d5159
--- /dev/null
+++ b/arch/arm/include/asm/arch-px30/gpio.h
@@ -0,0 +1,11 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * (C) Copyright 2019 Rockchip Electronics Co., Ltd
+ */
+
+#ifndef __ASM_ARCH_GPIO_H__
+#define __ASM_ARCH_GPIO_H__
+
+#include <asm/arch-rockchip/gpio.h>
+
+#endif
diff --git a/arch/arm/include/asm/arch-rockchip/sdram_px30.h b/arch/arm/include/asm/arch-rockchip/sdram_px30.h
new file mode 100644
index 0000000000..e10eb97b89
--- /dev/null
+++ b/arch/arm/include/asm/arch-rockchip/sdram_px30.h
@@ -0,0 +1,359 @@
+/* SPDX-License-Identifier:     GPL-2.0+ */
+/*
+ * Copyright (C) 2018 Rockchip Electronics Co., Ltd
+ */
+
+#ifndef _ASM_ARCH_SDRAM_PX30_H
+#define _ASM_ARCH_SDRAM_PX30_H
+
+struct ddr_pctl_regs {
+	u32 pctl[30][2];
+};
+
+/* ddr pctl registers define */
+#define DDR_PCTL2_MSTR			0x0
+#define DDR_PCTL2_STAT			0x4
+#define DDR_PCTL2_MSTR1			0x8
+#define DDR_PCTL2_MRCTRL0		0x10
+#define DDR_PCTL2_MRCTRL1		0x14
+#define DDR_PCTL2_MRSTAT		0x18
+#define DDR_PCTL2_MRCTRL2		0x1c
+#define DDR_PCTL2_DERATEEN		0x20
+#define DDR_PCTL2_DERATEINT		0x24
+#define DDR_PCTL2_PWRCTL		0x30
+#define DDR_PCTL2_PWRTMG		0x34
+#define DDR_PCTL2_HWLPCTL		0x38
+#define DDR_PCTL2_RFSHCTL0		0x50
+#define DDR_PCTL2_RFSHCTL1		0x54
+#define DDR_PCTL2_RFSHCTL2		0x58
+#define DDR_PCTL2_RFSHCTL4		0x5c
+#define DDR_PCTL2_RFSHCTL3		0x60
+#define DDR_PCTL2_RFSHTMG		0x64
+#define DDR_PCTL2_RFSHTMG1		0x68
+#define DDR_PCTL2_RFSHCTL5		0x6c
+#define DDR_PCTL2_INIT0			0xd0
+#define DDR_PCTL2_INIT1			0xd4
+#define DDR_PCTL2_INIT2			0xd8
+#define DDR_PCTL2_INIT3			0xdc
+#define DDR_PCTL2_INIT4			0xe0
+#define DDR_PCTL2_INIT5			0xe4
+#define DDR_PCTL2_INIT6			0xe8
+#define DDR_PCTL2_INIT7			0xec
+#define DDR_PCTL2_DIMMCTL		0xf0
+#define DDR_PCTL2_RANKCTL		0xf4
+#define DDR_PCTL2_CHCTL			0xfc
+#define DDR_PCTL2_DRAMTMG0		0x100
+#define DDR_PCTL2_DRAMTMG1		0x104
+#define DDR_PCTL2_DRAMTMG2		0x108
+#define DDR_PCTL2_DRAMTMG3		0x10c
+#define DDR_PCTL2_DRAMTMG4		0x110
+#define DDR_PCTL2_DRAMTMG5		0x114
+#define DDR_PCTL2_DRAMTMG6		0x118
+#define DDR_PCTL2_DRAMTMG7		0x11c
+#define DDR_PCTL2_DRAMTMG8		0x120
+#define DDR_PCTL2_DRAMTMG9		0x124
+#define DDR_PCTL2_DRAMTMG10		0x128
+#define DDR_PCTL2_DRAMTMG11		0x12c
+#define DDR_PCTL2_DRAMTMG12		0x130
+#define DDR_PCTL2_DRAMTMG13		0x134
+#define DDR_PCTL2_DRAMTMG14		0x138
+#define DDR_PCTL2_DRAMTMG15		0x13c
+#define DDR_PCTL2_DRAMTMG16		0x140
+#define DDR_PCTL2_ZQCTL0		0x180
+#define DDR_PCTL2_ZQCTL1		0x184
+#define DDR_PCTL2_ZQCTL2		0x188
+#define DDR_PCTL2_ZQSTAT		0x18c
+#define DDR_PCTL2_DFITMG0		0x190
+#define DDR_PCTL2_DFITMG1		0x194
+#define DDR_PCTL2_DFILPCFG0		0x198
+#define DDR_PCTL2_DFILPCFG1		0x19c
+#define DDR_PCTL2_DFIUPD0		0x1a0
+#define DDR_PCTL2_DFIUPD1		0x1a4
+#define DDR_PCTL2_DFIUPD2		0x1a8
+#define DDR_PCTL2_DFIMISC		0x1b0
+#define DDR_PCTL2_DFITMG2		0x1b4
+#define DDR_PCTL2_DFITMG3		0x1b8
+#define DDR_PCTL2_DFISTAT		0x1bc
+#define DDR_PCTL2_DBICTL		0x1c0
+#define DDR_PCTL2_ADDRMAP0		0x200
+#define DDR_PCTL2_ADDRMAP1		0x204
+#define DDR_PCTL2_ADDRMAP2		0x208
+#define DDR_PCTL2_ADDRMAP3		0x20c
+#define DDR_PCTL2_ADDRMAP4		0x210
+#define DDR_PCTL2_ADDRMAP5		0x214
+#define DDR_PCTL2_ADDRMAP6		0x218
+#define DDR_PCTL2_ADDRMAP7		0x21c
+#define DDR_PCTL2_ADDRMAP8		0x220
+#define DDR_PCTL2_ADDRMAP9		0x224
+#define DDR_PCTL2_ADDRMAP10		0x228
+#define DDR_PCTL2_ADDRMAP11		0x22c
+#define DDR_PCTL2_ODTCFG		0x240
+#define DDR_PCTL2_ODTMAP		0x244
+#define DDR_PCTL2_SCHED			0x250
+#define DDR_PCTL2_SCHED1		0x254
+#define DDR_PCTL2_PERFHPR1		0x25c
+#define DDR_PCTL2_PERFLPR1		0x264
+#define DDR_PCTL2_PERFWR1		0x26c
+#define DDR_PCTL2_DQMAP0		0x280
+#define DDR_PCTL2_DQMAP1		0x284
+#define DDR_PCTL2_DQMAP2		0x288
+#define DDR_PCTL2_DQMAP3		0x28c
+#define DDR_PCTL2_DQMAP4		0x290
+#define DDR_PCTL2_DQMAP5		0x294
+#define DDR_PCTL2_DBG0			0x300
+#define DDR_PCTL2_DBG1			0x304
+#define DDR_PCTL2_DBGCAM		0x308
+#define DDR_PCTL2_DBGCMD		0x30c
+#define DDR_PCTL2_DBGSTAT		0x310
+#define DDR_PCTL2_SWCTL			0x320
+#define DDR_PCTL2_SWSTAT		0x324
+#define DDR_PCTL2_POISONCFG		0x36c
+#define DDR_PCTL2_POISONSTAT		0x370
+#define DDR_PCTL2_ADVECCINDEX		0x374
+#define DDR_PCTL2_ADVECCSTAT		0x378
+#define DDR_PCTL2_PSTAT			0x3fc
+#define DDR_PCTL2_PCCFG			0x400
+#define DDR_PCTL2_PCFGR_n		0x404
+#define DDR_PCTL2_PCFGW_n		0x408
+#define DDR_PCTL2_PCTRL_n		0x490
+
+/* PCTL2_MRSTAT */
+#define MR_WR_BUSY			BIT(0)
+
+#define PHY_DDR3_RON_RTT_DISABLE	(0)
+#define PHY_DDR3_RON_RTT_451ohm		(1)
+#define PHY_DDR3_RON_RTT_225ohm		(2)
+#define PHY_DDR3_RON_RTT_150ohm		(3)
+#define PHY_DDR3_RON_RTT_112ohm		(4)
+#define PHY_DDR3_RON_RTT_90ohm		(5)
+#define PHY_DDR3_RON_RTT_75ohm		(6)
+#define PHY_DDR3_RON_RTT_64ohm		(7)
+#define PHY_DDR3_RON_RTT_56ohm		(16)
+#define PHY_DDR3_RON_RTT_50ohm		(17)
+#define PHY_DDR3_RON_RTT_45ohm		(18)
+#define PHY_DDR3_RON_RTT_41ohm		(19)
+#define PHY_DDR3_RON_RTT_37ohm		(20)
+#define PHY_DDR3_RON_RTT_34ohm		(21)
+#define PHY_DDR3_RON_RTT_33ohm		(22)
+#define PHY_DDR3_RON_RTT_30ohm		(23)
+#define PHY_DDR3_RON_RTT_28ohm		(24)
+#define PHY_DDR3_RON_RTT_26ohm		(25)
+#define PHY_DDR3_RON_RTT_25ohm		(26)
+#define PHY_DDR3_RON_RTT_23ohm		(27)
+#define PHY_DDR3_RON_RTT_22ohm		(28)
+#define PHY_DDR3_RON_RTT_21ohm		(29)
+#define PHY_DDR3_RON_RTT_20ohm		(30)
+#define PHY_DDR3_RON_RTT_19ohm		(31)
+
+#define PHY_DDR4_LPDDR3_RON_RTT_DISABLE	(0)
+#define PHY_DDR4_LPDDR3_RON_RTT_480ohm	(1)
+#define PHY_DDR4_LPDDR3_RON_RTT_240ohm	(2)
+#define PHY_DDR4_LPDDR3_RON_RTT_160ohm	(3)
+#define PHY_DDR4_LPDDR3_RON_RTT_120ohm	(4)
+#define PHY_DDR4_LPDDR3_RON_RTT_96ohm	(5)
+#define PHY_DDR4_LPDDR3_RON_RTT_80ohm	(6)
+#define PHY_DDR4_LPDDR3_RON_RTT_68ohm	(7)
+#define PHY_DDR4_LPDDR3_RON_RTT_60ohm	(16)
+#define PHY_DDR4_LPDDR3_RON_RTT_53ohm	(17)
+#define PHY_DDR4_LPDDR3_RON_RTT_48ohm	(18)
+#define PHY_DDR4_LPDDR3_RON_RTT_43ohm	(19)
+#define PHY_DDR4_LPDDR3_RON_RTT_40ohm	(20)
+#define PHY_DDR4_LPDDR3_RON_RTT_37ohm	(21)
+#define PHY_DDR4_LPDDR3_RON_RTT_34ohm	(22)
+#define PHY_DDR4_LPDDR3_RON_RTT_32ohm	(23)
+#define PHY_DDR4_LPDDR3_RON_RTT_30ohm	(24)
+#define PHY_DDR4_LPDDR3_RON_RTT_28ohm	(25)
+#define PHY_DDR4_LPDDR3_RON_RTT_26ohm	(26)
+#define PHY_DDR4_LPDDR3_RON_RTT_25ohm	(27)
+#define PHY_DDR4_LPDDR3_RON_RTT_24ohm	(28)
+#define PHY_DDR4_LPDDR3_RON_RTT_22ohm	(29)
+#define PHY_DDR4_LPDDR3_RON_RTT_21ohm	(30)
+#define PHY_DDR4_LPDDR3_RON_RTT_20ohm	(31)
+
+struct ddr_phy_regs {
+	u32 phy[5][2];
+};
+
+#define PHY_REG(base, n)		((base) + 4 * (n))
+
+/* 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_BL_4			(0 << 2)
+#define PHY_BL_8			BIT(2)
+
+/* 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)
+
+struct ddr_phy_skew {
+	u32 a0_a1_skew[15];
+	u32 cs0_dm0_skew[11];
+	u32 cs0_dm1_skew[11];
+	u32 cs0_dm2_skew[11];
+	u32 cs0_dm3_skew[11];
+	u32 cs1_dm0_skew[11];
+	u32 cs1_dm1_skew[11];
+	u32 cs1_dm2_skew[11];
+	u32 cs1_dm3_skew[11];
+};
+
+#define SR_IDLE				93
+#define PD_IDLE				13
+
+/* PMUGRF */
+#define PMUGRF_OS_REG0			(0x200)
+#define PMUGRF_OS_REG(n)		(PMUGRF_OS_REG0 + (n) * 4)
+
+/* 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		(0x8)
+#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)
+
+/* 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_MODE */
+#define CLOCK_FROM_XIN_OSC		(0)
+#define CLOCK_FROM_PLL			(1)
+#define CLOCK_FROM_RTC_32K		(2)
+#define DPLL_MODE(n)			((0x3 << (4 + 16)) | ((n) << 4))
+
+/* CRU_SOFTRESET_CON1 */
+#define upctl2_psrstn_req(n)		(((0x1 << 6) << 16) | ((n) << 6))
+#define upctl2_asrstn_req(n)		(((0x1 << 5) << 16) | ((n) << 5))
+#define upctl2_srstn_req(n)		(((0x1 << 4) << 16) | ((n) << 4))
+
+/* CRU_SOFTRESET_CON2 */
+#define ddrphy_psrstn_req(n)		(((0x1 << 2) << 16) | ((n) << 2))
+#define ddrphy_srstn_req(n)		(((0x1 << 0) << 16) | ((n) << 0))
+
+/* 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		0x200
+#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))
+
+struct px30_ddr_grf_regs {
+	u32 ddr_grf_con[4];
+	u32 reserved1[(0x20 - 0x10) / 4];
+	u32 ddr_grf_lp_con;
+	u32 reserved2[(0x100 - 0x24) / 4];
+	u32 ddr_grf_status[11];
+};
+
+struct px30_msch_timings {
+	u32 ddrtiminga0;
+	u32 ddrtimingb0;
+	u32 ddrtimingc0;
+	u32 devtodev0;
+	u32 ddrmode;
+	u32 ddr4timing;
+	u32 agingx0;
+};
+
+struct px30_sdram_channel {
+	unsigned int rank;
+	unsigned int col;
+	/* 3:8bank, 2:4bank */
+	unsigned int bk;
+	/* channel buswidth, 2:32bit, 1:16bit, 0:8bit */
+	unsigned int bw;
+	/* die buswidth, 2:32bit, 1:16bit, 0:8bit */
+	unsigned int dbw;
+	unsigned int row_3_4;
+	unsigned int cs0_row;
+	unsigned int cs1_row;
+	unsigned int cs0_high16bit_row;
+	unsigned int cs1_high16bit_row;
+	unsigned int ddrconfig;
+	struct px30_msch_timings noc_timings;
+};
+
+struct px30_base_params {
+	unsigned int ddr_freq;
+	unsigned int dramtype;
+	unsigned int num_channels;
+	unsigned int stride;
+	unsigned int odt;
+};
+
+struct px30_sdram_params {
+	struct px30_sdram_channel ch;
+	struct px30_base_params base;
+	struct ddr_pctl_regs pctl_regs;
+	struct ddr_phy_regs phy_regs;
+	struct ddr_phy_skew *skew;
+};
+
+struct px30_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;
+};
+
+int sdram_init(void);
+
+#endif
diff --git a/arch/arm/mach-rockchip/Kconfig b/arch/arm/mach-rockchip/Kconfig
index f5a80b4f0c..116b40a3c5 100644
--- a/arch/arm/mach-rockchip/Kconfig
+++ b/arch/arm/mach-rockchip/Kconfig
@@ -1,5 +1,27 @@
 if ARCH_ROCKCHIP
 
+config ROCKCHIP_PX30
+	bool "Support Rockchip PX30"
+	select ARM64
+	select SUPPORT_SPL
+	select SUPPORT_TPL
+	select SPL
+	select TPL
+	select TPL_TINY_FRAMEWORK if TPL
+	select TPL_NEEDS_SEPARATE_TEXT_BASE if SPL
+	select TPL_NEEDS_SEPARATE_STACK if TPL
+	imply SPL_SEPARATE_BSS
+	select SPL_SERIAL_SUPPORT
+	select TPL_SERIAL_SUPPORT
+	select DEBUG_UART_BOARD_INIT
+	imply ROCKCHIP_COMMON_BOARD
+	imply SPL_ROCKCHIP_COMMON_BOARD
+	help
+	  The Rockchip PX30 is a ARM-based SoC with a quad-core Cortex-A35
+	  including NEON and GPU, Mali-400 graphics, several DDR3 options
+	  and video codec support. Peripherals include Gigabit Ethernet,
+	  USB2 host and OTG, SDIO, I2S, UART, SPI, I2C and PWMs.
+
 config ROCKCHIP_RK3036
 	bool "Support Rockchip RK3036"
 	select CPU_V7A
@@ -315,6 +337,7 @@ config TPL_ROCKCHIP_EARLYRETURN_TO_BROM
 config SPL_MMC_SUPPORT
 	default y if !SPL_ROCKCHIP_BACK_TO_BROM
 
+source "arch/arm/mach-rockchip/px30/Kconfig"
 source "arch/arm/mach-rockchip/rk3036/Kconfig"
 source "arch/arm/mach-rockchip/rk3128/Kconfig"
 source "arch/arm/mach-rockchip/rk3188/Kconfig"
diff --git a/arch/arm/mach-rockchip/Makefile b/arch/arm/mach-rockchip/Makefile
index 45d9b06233..ddff566dee 100644
--- a/arch/arm/mach-rockchip/Makefile
+++ b/arch/arm/mach-rockchip/Makefile
@@ -11,6 +11,7 @@ obj-spl-$(CONFIG_ROCKCHIP_BROM_HELPER) += bootrom.o
 obj-spl-$(CONFIG_SPL_ROCKCHIP_COMMON_BOARD) += spl.o spl-boot-order.o
 obj-tpl-$(CONFIG_ROCKCHIP_BROM_HELPER) += bootrom.o
 obj-tpl-$(CONFIG_TPL_ROCKCHIP_COMMON_BOARD) += tpl.o
+obj-tpl-$(CONFIG_ROCKCHIP_PX30) += px30-board-tpl.o
 
 obj-spl-$(CONFIG_ROCKCHIP_RK3036) += rk3036-board-spl.o
 
@@ -27,6 +28,7 @@ endif
 
 obj-$(CONFIG_$(SPL_TPL_)RAM) += sdram_common.o
 
+obj-$(CONFIG_ROCKCHIP_PX30) += px30/
 obj-$(CONFIG_ROCKCHIP_RK3036) += rk3036/
 obj-$(CONFIG_ROCKCHIP_RK3128) += rk3128/
 obj-$(CONFIG_ROCKCHIP_RK3188) += rk3188/
diff --git a/arch/arm/mach-rockchip/px30-board-tpl.c b/arch/arm/mach-rockchip/px30-board-tpl.c
new file mode 100644
index 0000000000..8c8976f61c
--- /dev/null
+++ b/arch/arm/mach-rockchip/px30-board-tpl.c
@@ -0,0 +1,59 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2019 Rockchip Electronics Co., Ltd
+ */
+
+#include <common.h>
+#include <debug_uart.h>
+#include <dm.h>
+#include <ram.h>
+#include <spl.h>
+#include <version.h>
+#include <asm/io.h>
+#include <asm/arch-rockchip/bootrom.h>
+#include <asm/arch-rockchip/sdram_px30.h>
+
+#define TIMER_LOAD_COUNT0	0x00
+#define TIMER_LOAD_COUNT1	0x04
+#define TIMER_CUR_VALUE0	0x08
+#define TIMER_CUR_VALUE1	0x0c
+#define TIMER_CONTROL_REG	0x10
+
+#define TIMER_EN	0x1
+#define	TIMER_FMODE	(0 << 1)
+#define	TIMER_RMODE	(1 << 1)
+
+void secure_timer_init(void)
+{
+	writel(0, CONFIG_ROCKCHIP_STIMER_BASE + TIMER_CONTROL_REG);
+	writel(0xffffffff, CONFIG_ROCKCHIP_STIMER_BASE + TIMER_LOAD_COUNT0);
+	writel(0xffffffff, CONFIG_ROCKCHIP_STIMER_BASE + TIMER_LOAD_COUNT1);
+	writel(TIMER_EN | TIMER_FMODE,
+	       CONFIG_ROCKCHIP_STIMER_BASE + TIMER_CONTROL_REG);
+}
+
+void board_init_f(ulong dummy)
+{
+	int ret;
+
+#ifdef CONFIG_DEBUG_UART
+	debug_uart_init();
+	/*
+	 * Debug UART can be used from here if required:
+	 *
+	 * debug_uart_init();
+	 * printch('a');
+	 * printhex8(0x1234);
+	 * printascii("string");
+	 */
+	printascii("U-Boot TPL board init\n");
+#endif
+
+	secure_timer_init();
+	ret = sdram_init();
+	if (ret)
+		printascii("sdram_init failed\n");
+
+	/* return to maskrom */
+	back_to_bootrom(BROM_BOOT_NEXTSTAGE);
+}
diff --git a/arch/arm/mach-rockchip/px30/Kconfig b/arch/arm/mach-rockchip/px30/Kconfig
new file mode 100644
index 0000000000..ef04afca8d
--- /dev/null
+++ b/arch/arm/mach-rockchip/px30/Kconfig
@@ -0,0 +1,48 @@
+if ROCKCHIP_PX30
+
+config TARGET_EVB_PX30
+	bool "EVB_PX30"
+
+config ROCKCHIP_BOOT_MODE_REG
+	default 0xff010200
+
+config SYS_SOC
+	default "px30"
+
+config SYS_MALLOC_F_LEN
+	default 0x400
+
+config SPL_SERIAL_SUPPORT
+	default y
+
+config TPL_LDSCRIPT
+	default "arch/arm/mach-rockchip/u-boot-tpl-v8.lds"
+
+config TPL_TEXT_BASE
+	default 0xff0e1000
+
+config TPL_MAX_SIZE
+	default 10240
+
+config TPL_STACK
+	default 0xff0e4fff
+
+config ROCKCHIP_RK3326
+	bool "Support Rockchip RK3326 "
+	help
+	  RK3326 can use most code from PX30, but at some situations we have
+	  to distinguish between RK3326 and PX30, so this macro gives help.
+	  It is usually selected in rk3326 board defconfig.
+
+config DEBUG_UART2_CHANNEL
+	int "Mux channel to use for debug UART2"
+	depends on DEBUG_UART_BOARD_INIT
+	default 0
+	help
+	  UART2 can use two different set of pins to route the output.
+	  For using the UART for early debugging the route to use needs
+	  to be declared (0 or 1).
+
+source "board/rockchip/evb_px30/Kconfig"
+
+endif
diff --git a/arch/arm/mach-rockchip/px30/Makefile b/arch/arm/mach-rockchip/px30/Makefile
new file mode 100644
index 0000000000..6d0742bcab
--- /dev/null
+++ b/arch/arm/mach-rockchip/px30/Makefile
@@ -0,0 +1,14 @@
+#
+# (C) Copyright 2017 Rockchip Electronics Co., Ltd.
+#
+# SPDX-License-Identifier:     GPL-2.0+
+#
+
+obj-y += clk_px30.o
+
+ifndef CONFIG_TPL_BUILD
+obj-y += syscon_px30.o
+endif
+
+obj-y += px30.o
+obj-y += sdram_px30.o
diff --git a/arch/arm/mach-rockchip/px30/clk_px30.c b/arch/arm/mach-rockchip/px30/clk_px30.c
new file mode 100644
index 0000000000..0bd6b471da
--- /dev/null
+++ b/arch/arm/mach-rockchip/px30/clk_px30.c
@@ -0,0 +1,31 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * (C) Copyright 2017 Rockchip Electronics Co., Ltd.
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <syscon.h>
+#include <asm/arch-rockchip/clock.h>
+#include <asm/arch-rockchip/cru_px30.h>
+
+int rockchip_get_clk(struct udevice **devp)
+{
+	return uclass_get_device_by_driver(UCLASS_CLK,
+			DM_GET_DRIVER(rockchip_px30_cru), devp);
+}
+
+void *rockchip_get_cru(void)
+{
+	struct px30_clk_priv *priv;
+	struct udevice *dev;
+	int ret;
+
+	ret = rockchip_get_clk(&dev);
+	if (ret)
+		return ERR_PTR(ret);
+
+	priv = dev_get_priv(dev);
+
+	return priv->cru;
+}
diff --git a/arch/arm/mach-rockchip/px30/px30.c b/arch/arm/mach-rockchip/px30/px30.c
new file mode 100644
index 0000000000..7cd2292fe2
--- /dev/null
+++ b/arch/arm/mach-rockchip/px30/px30.c
@@ -0,0 +1,248 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2017 Rockchip Electronics Co., Ltd
+ */
+#include <common.h>
+#include <clk.h>
+#include <dm.h>
+#include <asm/armv8/mmu.h>
+#include <asm/io.h>
+#include <asm/arch-rockchip/grf_px30.h>
+#include <asm/arch-rockchip/hardware.h>
+#include <asm/arch-rockchip/uart.h>
+#include <asm/arch-rockchip/clock.h>
+#include <asm/arch-rockchip/cru_px30.h>
+#include <dt-bindings/clock/px30-cru.h>
+
+static struct mm_region px30_mem_map[] = {
+	{
+		.virt = 0x0UL,
+		.phys = 0x0UL,
+		.size = 0xff000000UL,
+		.attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
+			 PTE_BLOCK_INNER_SHARE
+	}, {
+		.virt = 0xff000000UL,
+		.phys = 0xff000000UL,
+		.size = 0x01000000UL,
+		.attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
+			 PTE_BLOCK_NON_SHARE |
+			 PTE_BLOCK_PXN | PTE_BLOCK_UXN
+	}, {
+		/* List terminator */
+		0,
+	}
+};
+
+struct mm_region *mem_map = px30_mem_map;
+
+#define PMU_PWRDN_CON			0xff000018
+#define GRF_BASE			0xff140000
+#define CRU_BASE			0xff2b0000
+#define VIDEO_PHY_BASE			0xff2e0000
+#define SERVICE_CORE_ADDR		0xff508000
+#define DDR_FW_BASE			0xff534000
+
+#define FW_DDR_CON			0x40
+
+#define QOS_PRIORITY			0x08
+
+#define QOS_PRIORITY_LEVEL(h, l)	((((h) & 3) << 8) | ((l) & 3))
+
+/* GRF_GPIO1CL_IOMUX */
+enum {
+	GPIO1C1_SHIFT		= 4,
+	GPIO1C1_MASK		= 0xf << GPIO1C1_SHIFT,
+	GPIO1C1_GPIO		= 0,
+	GPIO1C1_UART1_TX,
+
+	GPIO1C0_SHIFT		= 0,
+	GPIO1C0_MASK		= 0xf << GPIO1C0_SHIFT,
+	GPIO1C0_GPIO		= 0,
+	GPIO1C0_UART1_RX,
+};
+
+/* GRF_GPIO1DL_IOMUX */
+enum {
+	GPIO1D3_SHIFT		= 12,
+	GPIO1D3_MASK		= 0xf << GPIO1D3_SHIFT,
+	GPIO1D3_GPIO		= 0,
+	GPIO1D3_SDMMC_D1,
+	GPIO1D3_UART2_RXM0,
+
+	GPIO1D2_SHIFT		= 8,
+	GPIO1D2_MASK		= 0xf << GPIO1D2_SHIFT,
+	GPIO1D2_GPIO		= 0,
+	GPIO1D2_SDMMC_D0,
+	GPIO1D2_UART2_TXM0,
+};
+
+/* GRF_GPIO1DH_IOMUX */
+enum {
+	GPIO1D7_SHIFT		= 12,
+	GPIO1D7_MASK		= 0xf << GPIO1D7_SHIFT,
+	GPIO1D7_GPIO		= 0,
+	GPIO1D7_SDMMC_CMD,
+
+	GPIO1D6_SHIFT		= 8,
+	GPIO1D6_MASK		= 0xf << GPIO1D6_SHIFT,
+	GPIO1D6_GPIO		= 0,
+	GPIO1D6_SDMMC_CLK,
+
+	GPIO1D5_SHIFT		= 4,
+	GPIO1D5_MASK		= 0xf << GPIO1D5_SHIFT,
+	GPIO1D5_GPIO		= 0,
+	GPIO1D5_SDMMC_D3,
+
+	GPIO1D4_SHIFT		= 0,
+	GPIO1D4_MASK		= 0xf << GPIO1D4_SHIFT,
+	GPIO1D4_GPIO		= 0,
+	GPIO1D4_SDMMC_D2,
+};
+
+/* GRF_GPIO2BH_IOMUX */
+enum {
+	GPIO2B6_SHIFT		= 8,
+	GPIO2B6_MASK		= 0xf << GPIO2B6_SHIFT,
+	GPIO2B6_GPIO		= 0,
+	GPIO2B6_CIF_D1M0,
+	GPIO2B6_UART2_RXM1,
+
+	GPIO2B4_SHIFT		= 0,
+	GPIO2B4_MASK		= 0xf << GPIO2B4_SHIFT,
+	GPIO2B4_GPIO		= 0,
+	GPIO2B4_CIF_D0M0,
+	GPIO2B4_UART2_TXM1,
+};
+
+/* GRF_GPIO3AL_IOMUX */
+enum {
+	GPIO3A2_SHIFT		= 8,
+	GPIO3A2_MASK		= 0xf << GPIO3A2_SHIFT,
+	GPIO3A2_GPIO		= 0,
+	GPIO3A2_UART5_TX	= 4,
+
+	GPIO3A1_SHIFT		= 4,
+	GPIO3A1_MASK		= 0xf << GPIO3A1_SHIFT,
+	GPIO3A1_GPIO		= 0,
+	GPIO3A1_UART5_RX	= 4,
+};
+
+int arch_cpu_init(void)
+{
+	static struct px30_grf * const grf = (void *)GRF_BASE;
+	u32 __maybe_unused val;
+
+#ifdef CONFIG_SPL_BUILD
+	/* We do some SoC one time setting here. */
+	/* Disable the ddr secure region setting to make it non-secure */
+	writel(0x0, DDR_FW_BASE + FW_DDR_CON);
+
+	/* Set cpu qos priority */
+	writel(QOS_PRIORITY_LEVEL(1, 1), SERVICE_CORE_ADDR + QOS_PRIORITY);
+
+#if !defined(CONFIG_DEBUG_UART_BOARD_INIT) || \
+    (CONFIG_DEBUG_UART_BASE != 0xff160000) || \
+    (CONFIG_DEBUG_UART_CHANNEL != 0)
+	/* fix sdmmc pinmux if not using uart2-channel0 as debug uart */
+	rk_clrsetreg(&grf->gpio1dl_iomux,
+		     GPIO1D3_MASK | GPIO1D2_MASK,
+		     GPIO1D3_SDMMC_D1 << GPIO1D3_SHIFT |
+		     GPIO1D2_SDMMC_D0 << GPIO1D2_SHIFT);
+	rk_clrsetreg(&grf->gpio1dh_iomux,
+		     GPIO1D7_MASK | GPIO1D6_MASK | GPIO1D5_MASK | GPIO1D4_MASK,
+		     GPIO1D7_SDMMC_CMD << GPIO1D7_SHIFT |
+		     GPIO1D6_SDMMC_CLK << GPIO1D6_SHIFT |
+		     GPIO1D5_SDMMC_D3 << GPIO1D5_SHIFT |
+		     GPIO1D4_SDMMC_D2 << GPIO1D4_SHIFT);
+#endif
+
+#endif
+
+	/* Enable PD_VO (default disable at reset) */
+	rk_clrreg(PMU_PWRDN_CON, 1 << 13);
+
+	/* Disable video phy bandgap by default */
+	writel(0x82, VIDEO_PHY_BASE + 0x0000);
+	writel(0x05, VIDEO_PHY_BASE + 0x03ac);
+
+	/* Clear the force_jtag */
+	rk_clrreg(&grf->cpu_con[1], 1 << 7);
+
+	return 0;
+}
+
+#ifdef CONFIG_DEBUG_UART_BOARD_INIT
+void board_debug_uart_init(void)
+{
+	static struct px30_grf * const grf = (void *)GRF_BASE;
+	static struct px30_cru * const cru = (void *)CRU_BASE;
+
+#if defined(CONFIG_DEBUG_UART_BASE) && (CONFIG_DEBUG_UART_BASE == 0xff158000)
+	/* uart_sel_clk default select 24MHz */
+	rk_clrsetreg(&cru->clksel_con[34],
+		     UART1_PLL_SEL_MASK | UART1_DIV_CON_MASK,
+		     UART1_PLL_SEL_24M << UART1_PLL_SEL_SHIFT | 0);
+	rk_clrsetreg(&cru->clksel_con[35],
+		     UART1_CLK_SEL_MASK,
+		     UART1_CLK_SEL_UART1 << UART1_CLK_SEL_SHIFT);
+
+	rk_clrsetreg(&grf->gpio1cl_iomux,
+		     GPIO1C1_MASK | GPIO1C0_MASK,
+		     GPIO1C1_UART1_TX << GPIO1C1_SHIFT |
+		     GPIO1C0_UART1_RX << GPIO1C0_SHIFT);
+#elif defined(CONFIG_DEBUG_UART_BASE) && (CONFIG_DEBUG_UART_BASE == 0xff178000)
+	/* uart_sel_clk default select 24MHz */
+	rk_clrsetreg(&cru->clksel_con[46],
+		     UART5_PLL_SEL_MASK | UART5_DIV_CON_MASK,
+		     UART5_PLL_SEL_24M << UART5_PLL_SEL_SHIFT | 0);
+	rk_clrsetreg(&cru->clksel_con[47],
+		     UART5_CLK_SEL_MASK,
+		     UART5_CLK_SEL_UART5 << UART5_CLK_SEL_SHIFT);
+
+	rk_clrsetreg(&grf->gpio3al_iomux,
+		     GPIO3A2_MASK | GPIO3A1_MASK,
+		     GPIO3A2_UART5_TX << GPIO3A2_SHIFT |
+		     GPIO3A1_UART5_RX << GPIO3A1_SHIFT);
+#else
+	/* GRF_IOFUNC_CON0 */
+	enum {
+		CON_IOMUX_UART2SEL_SHIFT	= 10,
+		CON_IOMUX_UART2SEL_MASK = 3 << CON_IOMUX_UART2SEL_SHIFT,
+		CON_IOMUX_UART2SEL_M0	= 0,
+		CON_IOMUX_UART2SEL_M1,
+		CON_IOMUX_UART2SEL_USBPHY,
+	};
+
+	/* uart_sel_clk default select 24MHz */
+	rk_clrsetreg(&cru->clksel_con[37],
+		     UART2_PLL_SEL_MASK | UART2_DIV_CON_MASK,
+		     UART2_PLL_SEL_24M << UART2_PLL_SEL_SHIFT | 0);
+	rk_clrsetreg(&cru->clksel_con[38],
+		     UART2_CLK_SEL_MASK,
+		     UART2_CLK_SEL_UART2 << UART2_CLK_SEL_SHIFT);
+
+#if (CONFIG_DEBUG_UART2_CHANNEL == 1)
+	/* Enable early UART2 */
+	rk_clrsetreg(&grf->iofunc_con0,
+		     CON_IOMUX_UART2SEL_MASK,
+		     CON_IOMUX_UART2SEL_M1 << CON_IOMUX_UART2SEL_SHIFT);
+
+	rk_clrsetreg(&grf->gpio2bh_iomux,
+		     GPIO2B6_MASK | GPIO2B4_MASK,
+		     GPIO2B6_UART2_RXM1 << GPIO2B6_SHIFT |
+		     GPIO2B4_UART2_TXM1 << GPIO2B4_SHIFT);
+#else
+	rk_clrsetreg(&grf->iofunc_con0,
+		     CON_IOMUX_UART2SEL_MASK,
+		     CON_IOMUX_UART2SEL_M0 << CON_IOMUX_UART2SEL_SHIFT);
+
+	rk_clrsetreg(&grf->gpio1dl_iomux,
+		     GPIO1D3_MASK | GPIO1D2_MASK,
+		     GPIO1D3_UART2_RXM0 << GPIO1D3_SHIFT |
+		     GPIO1D2_UART2_TXM0 << GPIO1D2_SHIFT);
+#endif /* CONFIG_DEBUG_UART2_CHANNEL == 1 */
+
+#endif /* CONFIG_DEBUG_UART_BASE && CONFIG_DEBUG_UART_BASE == ... */
+}
+#endif /* CONFIG_DEBUG_UART_BOARD_INIT */
diff --git a/arch/arm/mach-rockchip/px30/sdram-px30-ddr3-detect-333.inc b/arch/arm/mach-rockchip/px30/sdram-px30-ddr3-detect-333.inc
new file mode 100644
index 0000000000..e17b2ed86c
--- /dev/null
+++ b/arch/arm/mach-rockchip/px30/sdram-px30-ddr3-detect-333.inc
@@ -0,0 +1,70 @@
+{
+	{
+		.rank = 0x1,
+		.col = 0xC,
+		.bk = 0x3,
+		.bw = 0x1,
+		.dbw = 0x0,
+		.row_3_4 = 0x0,
+		.cs0_row = 0x10,
+		.cs1_row = 0x10,
+		.cs0_high16bit_row = 0x10,
+		.cs1_high16bit_row = 0x10,
+		.ddrconfig = 0,
+		{
+			0x290b0609,
+			0x08020401,
+			0x00000002,
+			0x00001111,
+			0x0000000c,
+			0x00000222,
+			0x000000ff
+		}
+	},
+	{
+		.ddr_freq = 333,
+		.dramtype = DDR3,
+		.num_channels = 1,
+		.stride = 0,
+		.odt = 0,
+	},
+	{
+		{
+			{0x00000000, 0x43041001},	/* MSTR */
+			{0x00000064, 0x0028003b},	/* RFSHTMG */
+			{0x000000d0, 0x00020053},	/* INIT0 */
+			{0x000000d4, 0x00020000},	/* INIT1 */
+			{0x000000d8, 0x00000100},	/* INIT2 */
+			{0x000000dc, 0x03200000},	/* INIT3 */
+			{0x000000e0, 0x00000000},	/* INIT4 */
+			{0x000000e4, 0x00090000},	/* INIT5 */
+			{0x000000f4, 0x000f012f},	/* RANKCTL */
+			{0x00000100, 0x07090b06},	/* DRAMTMG0 */
+			{0x00000104, 0x00050209},	/* DRAMTMG1 */
+			{0x00000108, 0x03030407},	/* DRAMTMG2 */
+			{0x0000010c, 0x00202006},	/* DRAMTMG3 */
+			{0x00000110, 0x03020204},	/* DRAMTMG4 */
+			{0x00000114, 0x03030202},	/* DRAMTMG5 */
+			{0x00000120, 0x00000903},	/* DRAMTMG8 */
+			{0x00000180, 0x00800020},	/* ZQCTL0 */
+			{0x00000184, 0x00000000},	/* ZQCTL1 */
+			{0x00000190, 0x07010001},	/* DFITMG0 */
+			{0x00000198, 0x07000101},	/* DFILPCFG0 */
+			{0x000001a0, 0xc0400003},	/* DFIUPD0 */
+			{0x00000240, 0x06000604},	/* ODTCFG */
+			{0x00000244, 0x00000201},	/* ODTMAP */
+			{0x00000250, 0x00001f00},	/* SCHED */
+			{0x00000490, 0x00000001},	/* PCTRL_0 */
+			{0xffffffff, 0xffffffff}
+		}
+	},
+	{
+		{
+			{0x00000004, 0x0000000a},	/* PHYREG01 */
+			{0x00000028, 0x00000006},	/* PHYREG0A */
+			{0x0000002c, 0x00000000},	/* PHYREG0B */
+			{0x00000030, 0x00000005},	/* PHYREG0C */
+			{0xffffffff, 0xffffffff}
+		}
+	}
+},
diff --git a/arch/arm/mach-rockchip/px30/sdram-px30-ddr4-detect-333.inc b/arch/arm/mach-rockchip/px30/sdram-px30-ddr4-detect-333.inc
new file mode 100644
index 0000000000..cdc417405a
--- /dev/null
+++ b/arch/arm/mach-rockchip/px30/sdram-px30-ddr4-detect-333.inc
@@ -0,0 +1,73 @@
+{
+	{
+		.rank = 0x1,
+		.col = 0xA,
+		.bk = 0x2,
+		.bw = 0x1,
+		.dbw = 0x0,
+		.row_3_4 = 0x0,
+		.cs0_row = 0x11,
+		.cs1_row = 0x0,
+		.cs0_high16bit_row = 0x11,
+		.cs1_high16bit_row = 0x0,
+		.ddrconfig = 0,
+		{
+			0x4d110a08,
+			0x06020501,
+			0x00000002,
+			0x00001111,
+			0x0000000c,
+			0x0000022a,
+			0x000000ff
+		}
+	},
+	{
+		.ddr_freq = 333,
+		.dramtype = DDR4,
+		.num_channels = 1,
+		.stride = 0,
+		.odt = 0,
+	},
+	{
+		{
+			{0x00000000, 0x43049010},	/* MSTR */
+			{0x00000064, 0x0028003b},	/* RFSHTMG */
+			{0x000000d0, 0x00020053},	/* INIT0 */
+			{0x000000d4, 0x00220000},	/* INIT1 */
+			{0x000000d8, 0x00000100},	/* INIT2 */
+			{0x000000dc, 0x00040000},	/* INIT3 */
+			{0x000000e0, 0x00000000},	/* INIT4 */
+			{0x000000e4, 0x00110000},	/* INIT5 */
+			{0x000000e8, 0x00000420},	/* INIT6 */
+			{0x000000ec, 0x00000400},	/* INIT7 */
+			{0x000000f4, 0x000f012f},	/* RANKCTL */
+			{0x00000100, 0x09060b06},	/* DRAMTMG0 */
+			{0x00000104, 0x00020209},	/* DRAMTMG1 */
+			{0x00000108, 0x0505040a},	/* DRAMTMG2 */
+			{0x0000010c, 0x0040400c},	/* DRAMTMG3 */
+			{0x00000110, 0x05030206},	/* DRAMTMG4 */
+			{0x00000114, 0x03030202},	/* DRAMTMG5 */
+			{0x00000120, 0x03030b03},	/* DRAMTMG8 */
+			{0x00000124, 0x00020208},	/* DRAMTMG9 */
+			{0x00000180, 0x01000040},	/* ZQCTL0 */
+			{0x00000184, 0x00000000},	/* ZQCTL1 */
+			{0x00000190, 0x07030003},	/* DFITMG0 */
+			{0x00000198, 0x07000101},	/* DFILPCFG0 */
+			{0x000001a0, 0xc0400003},	/* DFIUPD0 */
+			{0x00000240, 0x06000604},	/* ODTCFG */
+			{0x00000244, 0x00000201},	/* ODTMAP */
+			{0x00000250, 0x00001f00},	/* SCHED */
+			{0x00000490, 0x00000001},	/* PCTRL_0 */
+			{0xffffffff, 0xffffffff}
+		}
+	},
+	{
+		{
+			{0x00000004, 0x0000000c},	/* PHYREG01 */
+			{0x00000028, 0x0000000a},	/* PHYREG0A */
+			{0x0000002c, 0x00000000},	/* PHYREG0B */
+			{0x00000030, 0x00000009},	/* PHYREG0C */
+			{0xffffffff, 0xffffffff}
+		}
+	}
+},
\ No newline at end of file
diff --git a/arch/arm/mach-rockchip/px30/sdram-px30-ddr_skew.inc b/arch/arm/mach-rockchip/px30/sdram-px30-ddr_skew.inc
new file mode 100644
index 0000000000..f24343dda1
--- /dev/null
+++ b/arch/arm/mach-rockchip/px30/sdram-px30-ddr_skew.inc
@@ -0,0 +1,121 @@
+		{
+			0x77,
+			0x88,
+			0x79,
+			0x79,
+			0x87,
+			0x97,
+			0x87,
+			0x78,
+			0x77,
+			0x78,
+			0x87,
+			0x88,
+			0x87,
+			0x87,
+			0x77
+		},
+		{
+			0x78,
+			0x78,
+			0x78,
+			0x78,
+			0x78,
+			0x78,
+			0x78,
+			0x78,
+			0x78,
+			0x69,
+			0x9,
+		},
+		{
+			0x77,
+			0x78,
+			0x77,
+			0x78,
+			0x77,
+			0x78,
+			0x77,
+			0x78,
+			0x77,
+			0x79,
+			0x9,
+		},
+		{
+			0x78,
+			0x78,
+			0x78,
+			0x78,
+			0x78,
+			0x78,
+			0x78,
+			0x78,
+			0x78,
+			0x69,
+			0x9,
+		},
+		{
+			0x77,
+			0x78,
+			0x77,
+			0x77,
+			0x77,
+			0x77,
+			0x77,
+			0x77,
+			0x77,
+			0x79,
+			0x9,
+		},
+		{
+			0x78,
+			0x78,
+			0x78,
+			0x78,
+			0x78,
+			0x78,
+			0x78,
+			0x78,
+			0x78,
+			0x69,
+			0x9,
+		},
+		{
+			0x77,
+			0x78,
+			0x77,
+			0x78,
+			0x77,
+			0x78,
+			0x77,
+			0x78,
+			0x77,
+			0x79,
+			0x9,
+		},
+		{
+			0x78,
+			0x78,
+			0x78,
+			0x78,
+			0x78,
+			0x78,
+			0x78,
+			0x78,
+			0x78,
+			0x69,
+			0x9,
+		},
+		{
+			0x77,
+			0x78,
+			0x77,
+			0x77,
+			0x77,
+			0x77,
+			0x77,
+			0x77,
+			0x77,
+			0x79,
+			0x9,
+		}
diff --git a/arch/arm/mach-rockchip/px30/sdram-px30-lpddr2-detect-333.inc b/arch/arm/mach-rockchip/px30/sdram-px30-lpddr2-detect-333.inc
new file mode 100644
index 0000000000..3bde062d62
--- /dev/null
+++ b/arch/arm/mach-rockchip/px30/sdram-px30-lpddr2-detect-333.inc
@@ -0,0 +1,71 @@
+{
+	{
+		.rank = 0x1,
+		.col = 0xC,
+		.bk = 0x3,
+		.bw = 0x1,
+		.dbw = 0x0,
+		.row_3_4 = 0x0,
+		.cs0_row = 0xF,
+		.cs1_row = 0xF,
+		.cs0_high16bit_row = 0xF,
+		.cs1_high16bit_row = 0xF,
+		.ddrconfig = 0,
+		{
+			0x2b0c070a,
+			0x08020303,
+			0x00000002,
+			0x00001111,
+			0x0000000c,
+			0x00000219,
+			0x000000ff
+		}
+	},
+	{
+		.ddr_freq = 333,
+		.dramtype = LPDDR2,
+		.num_channels = 1,
+		.stride = 0,
+		.odt = 0,
+	},
+	{
+		{
+			{0x00000000, 0x41041004},	/* MSTR */
+			{0x00000064, 0x00140023},	/* RFSHTMG */
+			{0x000000d0, 0x00220002},	/* INIT0 */
+			{0x000000d4, 0x00010000},	/* INIT1 */
+			{0x000000d8, 0x00000703},	/* INIT2 */
+			{0x000000dc, 0x00630005},	/* INIT3 */
+			{0x000000e0, 0x00010000},	/* INIT4 */
+			{0x000000e4, 0x00070003},	/* INIT5 */
+			{0x000000f4, 0x000f012f},	/* RANKCTL */
+			{0x00000100, 0x07090b07},	/* DRAMTMG0 */
+			{0x00000104, 0x0002010b},	/* DRAMTMG1 */
+			{0x00000108, 0x02040506},	/* DRAMTMG2 */
+			{0x0000010c, 0x00303000},	/* DRAMTMG3 */
+			{0x00000110, 0x04010204},	/* DRAMTMG4 */
+			{0x00000114, 0x01010303},	/* DRAMTMG5 */
+			{0x00000118, 0x02020003},	/* DRAMTMG6 */
+			{0x00000120, 0x00000303},	/* DRAMTMG8 */
+			{0x00000138, 0x00000025},	/* DRAMTMG14 */
+			{0x00000180, 0x003c000f},	/* ZQCTL0 */
+			{0x00000184, 0x00900000},	/* ZQCTL1 */
+			{0x00000190, 0x07020001},	/* DFITMG0 */
+			{0x00000198, 0x07000101},	/* DFILPCFG0 */
+			{0x000001a0, 0xc0400003},	/* DFIUPD0 */
+			{0x00000240, 0x07030718},	/* ODTCFG */
+			{0x00000250, 0x00001f00},	/* SCHED */
+			{0x00000490, 0x00000001},	/* PCTRL_0 */
+			{0xffffffff, 0xffffffff}
+		}
+	},
+	{
+		{
+			{0x00000004, 0x00000009},	/* PHYREG01 */
+			{0x00000028, 0x00000007},	/* PHYREG0A */
+			{0x0000002c, 0x00000000},	/* PHYREG0B */
+			{0x00000030, 0x00000004},	/* PHYREG0C */
+			{0xffffffff, 0xffffffff}
+		}
+	}
+},
diff --git a/arch/arm/mach-rockchip/px30/sdram-px30-lpddr3-detect-333.inc b/arch/arm/mach-rockchip/px30/sdram-px30-lpddr3-detect-333.inc
new file mode 100644
index 0000000000..a205fc9332
--- /dev/null
+++ b/arch/arm/mach-rockchip/px30/sdram-px30-lpddr3-detect-333.inc
@@ -0,0 +1,72 @@
+{
+	{
+		.rank = 0x1,
+		.col = 0xC,
+		.bk = 0x3,
+		.bw = 0x1,
+		.dbw = 0x0,
+		.row_3_4 = 0x0,
+		.cs0_row = 0x10,
+		.cs1_row = 0x10,
+		.cs0_high16bit_row = 0x10,
+		.cs1_high16bit_row = 0x10,
+		.ddrconfig = 0,
+		{
+			0x290a060a,
+			0x08020303,
+			0x00000002,
+			0x00001111,
+			0x0000000c,
+			0x0000021a,
+			0x000000ff
+		}
+	},
+	{
+		.ddr_freq = 333,
+		.dramtype = LPDDR3,
+		.num_channels = 1,
+		.stride = 0,
+		.odt = 0,
+	},
+	{
+		{
+			{0x00000000, 0x43041008},	/* MSTR */
+			{0x00000064, 0x00140023},	/* RFSHTMG */
+			{0x000000d0, 0x00220002},	/* INIT0 */
+			{0x000000d4, 0x00010000},	/* INIT1 */
+			{0x000000d8, 0x00000703},	/* INIT2 */
+			{0x000000dc, 0x00830004},	/* INIT3 */
+			{0x000000e0, 0x00010000},	/* INIT4 */
+			{0x000000e4, 0x00070003},	/* INIT5 */
+			{0x000000f4, 0x000f012f},	/* RANKCTL */
+			{0x00000100, 0x06090b07},	/* DRAMTMG0 */
+			{0x00000104, 0x0002020b},	/* DRAMTMG1 */
+			{0x00000108, 0x02030506},	/* DRAMTMG2 */
+			{0x0000010c, 0x00505000},	/* DRAMTMG3 */
+			{0x00000110, 0x03020204},	/* DRAMTMG4 */
+			{0x00000114, 0x01010303},	/* DRAMTMG5 */
+			{0x00000118, 0x02020003},	/* DRAMTMG6 */
+			{0x00000120, 0x00000303},	/* DRAMTMG8 */
+			{0x00000138, 0x00000025},	/* DRAMTMG14 */
+			{0x00000180, 0x003c000f},	/* ZQCTL0 */
+			{0x00000184, 0x00900000},	/* ZQCTL1 */
+			{0x00000190, 0x07020000},	/* DFITMG0 */
+			{0x00000198, 0x07000101},	/* DFILPCFG0 */
+			{0x000001a0, 0xc0400003},	/* DFIUPD0 */
+			{0x00000240, 0x0900090c},	/* ODTCFG */
+			{0x00000244, 0x00000101},	/* ODTMAP */
+			{0x00000250, 0x00001f00},	/* SCHED */
+			{0x00000490, 0x00000001},	/* PCTRL_0 */
+			{0xffffffff, 0xffffffff}
+		}
+	},
+	{
+		{
+			{0x00000004, 0x0000000b},	/* PHYREG01 */
+			{0x00000028, 0x00000006},	/* PHYREG0A */
+			{0x0000002c, 0x00000000},	/* PHYREG0B */
+			{0x00000030, 0x00000003},	/* PHYREG0C */
+			{0xffffffff, 0xffffffff}
+		}
+	}
+},
diff --git a/arch/arm/mach-rockchip/px30/sdram_px30.c b/arch/arm/mach-rockchip/px30/sdram_px30.c
new file mode 100644
index 0000000000..2590d9366e
--- /dev/null
+++ b/arch/arm/mach-rockchip/px30/sdram_px30.c
@@ -0,0 +1,1405 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * (C) Copyright 2018 Rockchip Electronics Co., 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/cru_px30.h>
+#include <asm/arch-rockchip/grf_px30.h>
+#include <asm/arch-rockchip/hardware.h>
+#include <asm/arch-rockchip/sdram_common.h>
+#include <asm/arch-rockchip/sdram_px30.h>
+
+#define TIMER_CUR_VALUE0	0x08
+#define TIMER_CUR_VALUE1	0x0c
+
+static u64 rockchip_get_ticks(void)
+{
+	u64 timebase_h, timebase_l;
+
+	timebase_l = readl(CONFIG_ROCKCHIP_STIMER_BASE + TIMER_CUR_VALUE0);
+	timebase_h = readl(CONFIG_ROCKCHIP_STIMER_BASE + TIMER_CUR_VALUE1);
+
+	return timebase_h << 32 | timebase_l;
+}
+
+void rockchip_udelay(unsigned int usec)
+{
+	u64 tmp;
+
+	/* get timestamp */
+	tmp = rockchip_get_ticks() + usec_to_tick(usec);
+
+	/* loop till event */
+	while (rockchip_get_ticks() < tmp + 1)
+		;
+}
+
+u8 ddr_cfg_2_rbc[] = {
+	/*
+	 * [6:4] max row: 13+n
+	 * [3]  bank(0:4bank,1:8bank)
+	 * [2:0]    col(10+n)
+	 */
+	((5 << 4) | (1 << 3) | 0), /* 0 */
+	((5 << 4) | (1 << 3) | 1), /* 1 */
+	((4 << 4) | (1 << 3) | 2), /* 2 */
+	((3 << 4) | (1 << 3) | 3), /* 3 */
+	((2 << 4) | (1 << 3) | 4), /* 4 */
+	((5 << 4) | (0 << 3) | 2), /* 5 */
+	((4 << 4) | (1 << 3) | 2), /* 6 */
+};
+
+#ifdef CONFIG_TPL_BUILD
+
+/*
+ * for ddr4 if ddrconfig=7, upctl should set 7 and noc should
+ * set to 1 for more efficient.
+ * noc ddrconf, upctl addrmap
+ * 1  7
+ * 2  8
+ * 3  9
+ * 12 10
+ * 5  11
+ */
+static u8 d4_rbc_2_d3_rbc[] = {
+	1, /* 7 */
+	2, /* 8 */
+	3, /* 9 */
+	12, /* 10 */
+	5, /* 11 */
+};
+
+/*
+ * row higher than cs should be disabled by set to 0xf
+ * rank addrmap calculate by real cap.
+ */
+static u32 addrmap[][8] = {
+	/* map0 map1,   map2,       map3,       map4,      map5
+	 * map6,        map7,       map8
+	 * -------------------------------------------------------
+	 * bk2-0       col 5-2     col 9-6    col 11-10   row 11-0
+	 * row 15-12   row 17-16   bg1,0
+	 * -------------------------------------------------------
+	 * 4,3,2       5-2         9-6                    6
+	 *                         3,2
+	 */
+	{0x00060606, 0x00000000, 0x1f1f0000, 0x00001f1f, 0x05050505,
+		0x05050505, 0x00000505, 0x3f3f}, /* 0 */
+	{0x00070707, 0x00000000, 0x1f000000, 0x00001f1f, 0x06060606,
+		0x06060606, 0x06060606, 0x3f3f}, /* 1 */
+	{0x00080808, 0x00000000, 0x00000000, 0x00001f1f, 0x07070707,
+		0x07070707, 0x00000f07, 0x3f3f}, /* 2 */
+	{0x00090909, 0x00000000, 0x00000000, 0x00001f00, 0x08080808,
+		0x08080808, 0x00000f0f, 0x3f3f}, /* 3 */
+	{0x000a0a0a, 0x00000000, 0x00000000, 0x00000000, 0x09090909,
+		0x0f090909, 0x00000f0f, 0x3f3f}, /* 4 */
+	{0x00080808, 0x00000000, 0x00000000, 0x00001f1f, 0x06060606,
+		0x06060606, 0x00000606, 0x3f3f}, /* 5 */
+	{0x00080808, 0x00000000, 0x00000000, 0x00001f1f, 0x07070707,
+		0x07070707, 0x00000f0f, 0x3f3f}, /* 6 */
+	{0x003f0808, 0x00000006, 0x1f1f0000, 0x00001f1f, 0x06060606,
+		0x06060606, 0x00000606, 0x0600}, /* 7 */
+	{0x003f0909, 0x00000007, 0x1f000000, 0x00001f1f, 0x07070707,
+		0x07070707, 0x00000f07, 0x0700}, /* 8 */
+	{0x003f0a0a, 0x01010100, 0x01010101, 0x00001f1f, 0x08080808,
+		0x08080808, 0x00000f0f, 0x0801}, /* 9 */
+	{0x003f0909, 0x01010100, 0x01010101, 0x00001f1f, 0x07070707,
+		0x07070707, 0x00000f07, 0x3f01}, /* 10 */
+	{0x003f0808, 0x00000007, 0x1f000000, 0x00001f1f, 0x06060606,
+		0x06060606, 0x00000606, 0x3f00}, /* 11 */
+	/* when ddr4 12 map to 10, when ddr3 12 unused */
+	{0x003f0909, 0x01010100, 0x01010101, 0x00001f1f, 0x07070707,
+		0x07070707, 0x00000f07, 0x3f01}, /* 10 */
+	{0x00070706, 0x00000000, 0x1f010000, 0x00001f1f, 0x06060606,
+		0x06060606, 0x00000606, 0x3f3f}, /* 13 */
+};
+
+DECLARE_GLOBAL_DATA_PTR;
+struct dram_info {
+	struct ddr_pctl_regs *pctl;
+	struct ddr_phy_regs *phy;
+	struct px30_cru *cru;
+	struct px30_msch_regs *msch;
+	struct px30_ddr_grf_regs *ddr_grf;
+	struct px30_grf *grf;
+	struct ram_info info;
+	struct px30_pmugrf *pmugrf;
+};
+
+#define PMUGRF_BASE_ADDR		0xFF010000
+#define CRU_BASE_ADDR			0xFF2B0000
+#define GRF_BASE_ADDR			0xFF140000
+#define DDRC_BASE_ADDR			0xFF600000
+#define DDR_PHY_BASE_ADDR		0xFF2A0000
+#define SERVER_MSCH0_BASE_ADDR		0xFF530000
+#define DDR_GRF_BASE_ADDR		0xff630000
+
+struct dram_info dram_info;
+
+struct px30_sdram_params sdram_configs[] = {
+#include	"sdram-px30-ddr3-detect-333.inc"
+};
+
+struct ddr_phy_skew skew = {
+#include	"sdram-px30-ddr_skew.inc"
+};
+
+#define PATTERN				(0x5aa5f00f)
+
+/*
+ * cs: 0:cs0
+ *	   1:cs1
+ *     else cs0+cs1
+ * note: it didn't consider about row_3_4
+ */
+u64 sdram_get_cs_cap(struct px30_sdram_channel *cap_info, u32 cs, u32 dram_type)
+{
+	u32 bg;
+	u64 cap[2];
+
+	if (dram_type == DDR4)
+		/* DDR4 8bit dram BG = 2(4bank groups),
+		 * 16bit dram BG = 1 (2 bank groups)
+		 */
+		bg = (cap_info->dbw == 0) ? 2 : 1;
+	else
+		bg = 0;
+	cap[0] = 1llu << (cap_info->bw + cap_info->col +
+		bg + cap_info->bk + cap_info->cs0_row);
+
+	if (cap_info->rank == 2)
+		cap[1] = 1llu << (cap_info->bw + cap_info->col +
+			bg + cap_info->bk + cap_info->cs1_row);
+	else
+		cap[1] = 0;
+
+	if (cs == 0)
+		return cap[0];
+	else if (cs == 1)
+		return cap[1];
+	else
+		return (cap[0] + cap[1]);
+}
+
+/* n: Unit bytes */
+void sdram_copy_to_reg(u32 *dest, const u32 *src, u32 n)
+{
+	int i;
+
+	for (i = 0; i < n / sizeof(u32); i++) {
+		writel(*src, dest);
+		src++;
+		dest++;
+	}
+}
+
+static void sdram_phy_dll_bypass_set(void __iomem *phy_base, u32 freq)
+{
+	u32 tmp;
+	u32 i, j;
+
+	setbits_le32(PHY_REG(phy_base, 0x13), 1 << 4);
+	clrbits_le32(PHY_REG(phy_base, 0x14), 1 << 3);
+	for (i = 0; i < 4; i++) {
+		j = 0x26 + i * 0x10;
+		setbits_le32(PHY_REG(phy_base, j), 1 << 4);
+		clrbits_le32(PHY_REG(phy_base, j + 0x1), 1 << 3);
+	}
+
+	if (freq <= (400000000))
+		/* DLL bypass */
+		setbits_le32(PHY_REG(phy_base, 0xa4), 0x1f);
+	else
+		clrbits_le32(PHY_REG(phy_base, 0xa4), 0x1f);
+
+	if (freq <= (801000000))
+		tmp = 2;
+	else
+		tmp = 1;
+
+	for (i = 0; i < 4; i++) {
+		j = 0x28 + i * 0x10;
+		writel(tmp, PHY_REG(phy_base, j));
+	}
+}
+
+static void sdram_phy_set_ds_odt(void __iomem *phy_base,
+				 u32 dram_type)
+{
+	u32 cmd_drv, clk_drv, dqs_drv, dqs_odt;
+	u32 i, j;
+
+	if (dram_type == DDR3) {
+		cmd_drv = PHY_DDR3_RON_RTT_34ohm;
+		clk_drv = PHY_DDR3_RON_RTT_45ohm;
+		dqs_drv = PHY_DDR3_RON_RTT_34ohm;
+		dqs_odt = PHY_DDR3_RON_RTT_225ohm;
+	} else {
+		cmd_drv = PHY_DDR4_LPDDR3_RON_RTT_34ohm;
+		clk_drv = PHY_DDR4_LPDDR3_RON_RTT_43ohm;
+		dqs_drv = PHY_DDR4_LPDDR3_RON_RTT_34ohm;
+		if (dram_type == LPDDR2)
+			dqs_odt = PHY_DDR4_LPDDR3_RON_RTT_DISABLE;
+		else
+			dqs_odt = PHY_DDR4_LPDDR3_RON_RTT_240ohm;
+	}
+	/* DS */
+	writel(cmd_drv, PHY_REG(phy_base, 0x11));
+	clrsetbits_le32(PHY_REG(phy_base, 0x12), 0x1f << 3, cmd_drv << 3);
+	writel(clk_drv, PHY_REG(phy_base, 0x16));
+	writel(clk_drv, PHY_REG(phy_base, 0x18));
+
+	for (i = 0; i < 4; i++) {
+		j = 0x20 + i * 0x10;
+		writel(dqs_drv, PHY_REG(phy_base, j));
+		writel(dqs_drv, PHY_REG(phy_base, j + 0xf));
+		/* ODT */
+		writel(dqs_odt, PHY_REG(phy_base, j + 0x1));
+		writel(dqs_odt, PHY_REG(phy_base, j + 0xe));
+	}
+}
+
+static void phy_soft_reset(void __iomem *phy_base)
+{
+	clrbits_le32(PHY_REG(phy_base, 0), 0x3 << 2);
+	udelay(1);
+	setbits_le32(PHY_REG(phy_base, 0), ANALOG_DERESET);
+	udelay(5);
+	setbits_le32(PHY_REG(phy_base, 0), DIGITAL_DERESET);
+	udelay(1);
+}
+
+static void phy_dram_set_bw(void __iomem *phy_base, u32 bw)
+{
+	if (bw == 2) {
+		clrsetbits_le32(PHY_REG(phy_base, 0), 0xf << 4, 0xf << 4);
+		setbits_le32(PHY_REG(phy_base, 0x46), 1 << 3);
+		setbits_le32(PHY_REG(phy_base, 0x56), 1 << 3);
+	} else if (bw == 1) {
+		clrsetbits_le32(PHY_REG(phy_base, 0), 0xf << 4, 3 << 4);
+		clrbits_le32(PHY_REG(phy_base, 0x46), 1 << 3);
+		clrbits_le32(PHY_REG(phy_base, 0x56), 1 << 3);
+	} else if (bw == 0) {
+		clrsetbits_le32(PHY_REG(phy_base, 0), 0xf << 4, 1 << 4);
+		clrbits_le32(PHY_REG(phy_base, 0x36), 1 << 3);
+		clrbits_le32(PHY_REG(phy_base, 0x46), 1 << 3);
+		clrbits_le32(PHY_REG(phy_base, 0x56), 1 << 3);
+	}
+
+	phy_soft_reset(phy_base);
+}
+
+static int phy_data_training(void __iomem *phy_base, u32 cs, u32 dramtype)
+{
+	u32 ret;
+	u32 odt_val;
+	u32 i, j;
+
+	odt_val = readl(PHY_REG(phy_base, 0x2e));
+
+	for (i = 0; i < 4; i++) {
+		j = 0x20 + i * 0x10;
+		writel(PHY_DDR3_RON_RTT_225ohm, PHY_REG(phy_base, j + 0x1));
+		writel(0, PHY_REG(phy_base, j + 0xe));
+	}
+
+	if (dramtype == DDR4) {
+		clrsetbits_le32(PHY_REG(phy_base, 0x29), 0x3, 0);
+		clrsetbits_le32(PHY_REG(phy_base, 0x39), 0x3, 0);
+		clrsetbits_le32(PHY_REG(phy_base, 0x49), 0x3, 0);
+		clrsetbits_le32(PHY_REG(phy_base, 0x59), 0x3, 0);
+	}
+	/* 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, 0xff));
+	/* disable gate training */
+	clrsetbits_le32(PHY_REG(phy_base, 2), 0x33, (0x20 >> cs) | 0);
+	clrbits_le32(PHY_REG(phy_base, 2), 0x30);
+
+	if (dramtype == DDR4) {
+		clrsetbits_le32(PHY_REG(phy_base, 0x29), 0x3, 0x2);
+		clrsetbits_le32(PHY_REG(phy_base, 0x39), 0x3, 0x2);
+		clrsetbits_le32(PHY_REG(phy_base, 0x49), 0x3, 0x2);
+		clrsetbits_le32(PHY_REG(phy_base, 0x59), 0x3, 0x2);
+	}
+
+	if (ret & 0x10) {
+		ret = -1;
+	} else {
+		ret = (ret & 0xf) ^ (readl(PHY_REG(phy_base, 0)) >> 4);
+		ret = (ret == 0) ? 0 : -1;
+	}
+
+	for (i = 0; i < 4; i++) {
+		j = 0x20 + i * 0x10;
+		writel(odt_val, PHY_REG(phy_base, j + 0x1));
+		writel(odt_val, PHY_REG(phy_base, j + 0xe));
+	}
+
+	return ret;
+}
+
+static void phy_cfg(void __iomem *phy_base,
+		    struct ddr_phy_regs *phy_regs, struct ddr_phy_skew *skew,
+		    struct px30_base_params *base, u32 bw)
+{
+	u32 i;
+
+	sdram_phy_dll_bypass_set(phy_base, base->ddr_freq);
+	for (i = 0; phy_regs->phy[i][0] != 0xFFFFFFFF; i++) {
+		writel(phy_regs->phy[i][1],
+		       phy_base + phy_regs->phy[i][0]);
+	}
+	if (bw == 2) {
+		clrsetbits_le32(PHY_REG(phy_base, 0), 0xf << 4, 0xf << 4);
+	} else if (bw == 1) {
+		clrsetbits_le32(PHY_REG(phy_base, 0), 0xf << 4, 3 << 4);
+		/* disable DQS2,DQS3 tx dll  for saving power */
+		clrbits_le32(PHY_REG(phy_base, 0x46), 1 << 3);
+		clrbits_le32(PHY_REG(phy_base, 0x56), 1 << 3);
+	} else {
+		clrsetbits_le32(PHY_REG(phy_base, 0), 0xf << 4, 1 << 4);
+		/* disable DQS2,DQS3 tx dll  for saving power */
+		clrbits_le32(PHY_REG(phy_base, 0x36), 1 << 3);
+		clrbits_le32(PHY_REG(phy_base, 0x46), 1 << 3);
+		clrbits_le32(PHY_REG(phy_base, 0x56), 1 << 3);
+	}
+	sdram_phy_set_ds_odt(phy_base, base->dramtype);
+
+	/* deskew */
+	setbits_le32(PHY_REG(phy_base, 2), 8);
+	sdram_copy_to_reg(PHY_REG(phy_base, 0xb0),
+			  &skew->a0_a1_skew[0], 15 * 4);
+	sdram_copy_to_reg(PHY_REG(phy_base, 0x70),
+			  &skew->cs0_dm0_skew[0], 44 * 4);
+	sdram_copy_to_reg(PHY_REG(phy_base, 0xc0),
+			  &skew->cs1_dm0_skew[0], 44 * 4);
+}
+
+void sdram_org_config(struct px30_sdram_channel *info,
+		      struct px30_base_params *base,
+		      u32 *p_os_reg2, u32 *p_os_reg3, u32 channel)
+{
+	*p_os_reg2 |= base->dramtype << SYS_REG_DDRTYPE_SHIFT;
+	*p_os_reg2 |= (base->num_channels - 1) << SYS_REG_NUM_CH_SHIFT;
+	*p_os_reg2 |= info->row_3_4 << SYS_REG_ROW_3_4_SHIFT(channel);
+	*p_os_reg2 |= 1 << SYS_REG_CHINFO_SHIFT(channel);
+	*p_os_reg2 |= (info->rank - 1) << SYS_REG_RANK_SHIFT(channel);
+	*p_os_reg2 |= (info->col - 9) << SYS_REG_COL_SHIFT(channel);
+	*p_os_reg2 |= info->bk == 3 ? 0 : 1 << SYS_REG_BK_SHIFT(channel);
+	*p_os_reg2 |= (info->cs0_row - 13) << SYS_REG_CS0_ROW_SHIFT(channel);
+	if (info->cs1_row >= 13)
+		*p_os_reg2 |= (info->cs1_row - 13) << SYS_REG_CS1_ROW_SHIFT(channel);
+	*p_os_reg2 |= (2 >> info->bw) << SYS_REG_BW_SHIFT(channel);
+	*p_os_reg2 |= (2 >> info->dbw) << SYS_REG_DBW_SHIFT(channel);
+}
+
+void sdram_msch_config(struct px30_msch_regs *msch,
+		       struct px30_msch_timings *noc_timings,
+		       struct px30_sdram_channel *cap_info,
+		       struct px30_base_params *base)
+{
+	u64 cs_cap[2];
+
+	cs_cap[0] = sdram_get_cs_cap(cap_info, 0, base->dramtype);
+	cs_cap[1] = sdram_get_cs_cap(cap_info, 1, base->dramtype);
+	writel(((((cs_cap[1] >> 20) / 64) & 0xff) << 8) |
+			(((cs_cap[0] >> 20) / 64) & 0xff),
+			&msch->devicesize);
+
+	writel(noc_timings->ddrtiminga0, &msch->ddrtiminga0);
+	writel(noc_timings->ddrtimingb0, &msch->ddrtimingb0);
+	writel(noc_timings->ddrtimingc0, &msch->ddrtimingc0);
+	writel(noc_timings->devtodev0, &msch->devtodev0);
+	writel(noc_timings->ddrmode, &msch->ddrmode);
+	writel(noc_timings->ddr4timing, &msch->ddr4timing);
+	writel(noc_timings->agingx0, &msch->agingx0);
+	writel(noc_timings->agingx0, &msch->aging0);
+	writel(noc_timings->agingx0, &msch->aging1);
+	writel(noc_timings->agingx0, &msch->aging2);
+	writel(noc_timings->agingx0, &msch->aging3);
+}
+
+int sdram_detect_bw(struct px30_sdram_channel *cap_info)
+{
+	return 0;
+}
+
+int sdram_detect_cs(struct px30_sdram_channel *cap_info)
+{
+	return 0;
+}
+
+int sdram_detect_col(struct px30_sdram_channel *cap_info,
+		     u32 coltmp)
+{
+	void __iomem *test_addr;
+	u32 col;
+	u32 bw = cap_info->bw;
+
+	for (col = coltmp; col >= 9; col -= 1) {
+		writel(0, CONFIG_SYS_SDRAM_BASE);
+		test_addr = (void __iomem *)(CONFIG_SYS_SDRAM_BASE +
+				(1ul << (col + bw - 1ul)));
+		writel(PATTERN, test_addr);
+		if ((readl(test_addr) == PATTERN) &&
+		    (readl(CONFIG_SYS_SDRAM_BASE) == 0))
+			break;
+	}
+	if (col == 8) {
+		printascii("col error\n");
+		return -1;
+	}
+
+	cap_info->col = col;
+
+	return 0;
+}
+
+int sdram_detect_bank(struct px30_sdram_channel *cap_info,
+		      u32 coltmp, u32 bktmp)
+{
+	void __iomem *test_addr;
+	u32 bk;
+	u32 bw = cap_info->bw;
+
+	test_addr = (void __iomem *)(CONFIG_SYS_SDRAM_BASE +
+			(1ul << (coltmp + bktmp + bw - 1ul)));
+	writel(0, CONFIG_SYS_SDRAM_BASE);
+	writel(PATTERN, test_addr);
+	if ((readl(test_addr) == PATTERN) &&
+	    (readl(CONFIG_SYS_SDRAM_BASE) == 0))
+		bk = 3;
+	else
+		bk = 2;
+
+	cap_info->bk = bk;
+
+	return 0;
+}
+
+/* detect bg for ddr4 */
+int sdram_detect_bg(struct px30_sdram_channel *cap_info,
+		    u32 coltmp)
+{
+	void __iomem *test_addr;
+	u32 dbw;
+	u32 bw = cap_info->bw;
+
+	test_addr = (void __iomem *)(CONFIG_SYS_SDRAM_BASE +
+			(1ul << (coltmp + bw + 1ul)));
+	writel(0, CONFIG_SYS_SDRAM_BASE);
+	writel(PATTERN, test_addr);
+	if ((readl(test_addr) == PATTERN) &&
+	    (readl(CONFIG_SYS_SDRAM_BASE) == 0))
+		dbw = 0;
+	else
+		dbw = 1;
+
+	cap_info->dbw = dbw;
+
+	return 0;
+}
+
+/* detect dbw for ddr3,lpddr2,lpddr3,lpddr4 */
+int sdram_detect_dbw(struct px30_sdram_channel *cap_info, u32 dram_type)
+{
+	u32 row, col, bk, bw, cs_cap, cs;
+	u32 die_bw_0 = 0, die_bw_1 = 0;
+
+	if (dram_type == DDR3 || dram_type == LPDDR4) {
+		cap_info->dbw = 1;
+	} else if (dram_type == LPDDR3 || dram_type == LPDDR2) {
+		row = cap_info->cs0_row;
+		col = cap_info->col;
+		bk = cap_info->bk;
+		cs = cap_info->rank;
+		bw = cap_info->bw;
+		cs_cap = (1 << (row + col + bk + bw - 20));
+		if (bw == 2) {
+			if (cs_cap <= 0x2000000) /* 256Mb */
+				die_bw_0 = (col < 9) ? 2 : 1;
+			else if (cs_cap <= 0x10000000) /* 2Gb */
+				die_bw_0 = (col < 10) ? 2 : 1;
+			else if (cs_cap <= 0x40000000) /* 8Gb */
+				die_bw_0 = (col < 11) ? 2 : 1;
+			else
+				die_bw_0 = (col < 12) ? 2 : 1;
+			if (cs > 1) {
+				row = cap_info->cs1_row;
+				cs_cap = (1 << (row + col + bk + bw - 20));
+				if (cs_cap <= 0x2000000) /* 256Mb */
+					die_bw_0 = (col < 9) ? 2 : 1;
+				else if (cs_cap <= 0x10000000) /* 2Gb */
+					die_bw_0 = (col < 10) ? 2 : 1;
+				else if (cs_cap <= 0x40000000) /* 8Gb */
+					die_bw_0 = (col < 11) ? 2 : 1;
+				else
+					die_bw_0 = (col < 12) ? 2 : 1;
+			}
+		} else {
+			die_bw_1 = 1;
+			die_bw_0 = 1;
+		}
+		cap_info->dbw = (die_bw_0 > die_bw_1) ? die_bw_0 : die_bw_1;
+	}
+
+	return 0;
+}
+
+int sdram_detect_row(struct px30_sdram_channel *cap_info,
+		     u32 coltmp, u32 bktmp, u32 rowtmp)
+{
+	u32 row;
+	u32 bw = cap_info->bw;
+	void __iomem *test_addr;
+
+	for (row = rowtmp; row > 12; row--) {
+		writel(0, CONFIG_SYS_SDRAM_BASE);
+		test_addr = (void __iomem *)(CONFIG_SYS_SDRAM_BASE +
+				(1ul << (row + bktmp + coltmp + bw - 1ul)));
+		writel(PATTERN, test_addr);
+		if ((readl(test_addr) == PATTERN) &&
+		    (readl(CONFIG_SYS_SDRAM_BASE) == 0))
+			break;
+	}
+	if (row == 12) {
+		printascii("row error");
+		return -1;
+	}
+
+	cap_info->cs0_row = row;
+
+	return 0;
+}
+
+int sdram_detect_row_3_4(struct px30_sdram_channel *cap_info,
+			 u32 coltmp, u32 bktmp)
+{
+	u32 row_3_4;
+	u32 bw = cap_info->bw;
+	u32 row = cap_info->cs0_row;
+	void __iomem *test_addr, *test_addr1;
+
+	test_addr = CONFIG_SYS_SDRAM_BASE;
+	test_addr1 = (void __iomem *)(CONFIG_SYS_SDRAM_BASE +
+			(0x3ul << (row + bktmp + coltmp + bw - 1ul - 1ul)));
+
+	writel(0, test_addr);
+	writel(PATTERN, test_addr1);
+	if ((readl(test_addr) == 0) && (readl(test_addr1) == PATTERN))
+		row_3_4 = 0;
+	else
+		row_3_4 = 1;
+
+	cap_info->row_3_4 = row_3_4;
+
+	return 0;
+}
+
+int sdram_detect_high_row(struct px30_sdram_channel *cap_info)
+{
+	cap_info->cs0_high16bit_row = cap_info->cs0_row;
+	cap_info->cs1_high16bit_row = cap_info->cs1_row;
+
+	return 0;
+}
+
+int sdram_detect_cs1_row(struct px30_sdram_channel *cap_info, u32 dram_type)
+{
+	void __iomem *test_addr;
+	u32 row = 0, bktmp, coltmp, bw;
+	ulong cs0_cap;
+	u32 byte_mask;
+
+	if (cap_info->rank == 2) {
+		cs0_cap = sdram_get_cs_cap(cap_info, 0, dram_type);
+
+		if (dram_type == 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;
+
+		/*
+		 * because px30 support axi split,min bandwidth
+		 * is 8bit. if cs0 is 32bit, cs1 may 32bit or 16bit
+		 * so we check low 16bit data when detect cs1 row.
+		 * if cs0 is 16bit/8bit, we check low 8bit data.
+		 */
+		if (bw == 2)
+			byte_mask = 0xFFFF;
+		else
+			byte_mask = 0xFF;
+
+		/* detect cs1 row */
+		for (row = cap_info->cs0_row; row > 12; row--) {
+			test_addr = (void __iomem *)(CONFIG_SYS_SDRAM_BASE +
+				    cs0_cap +
+				    (1ul << (row + bktmp + coltmp + bw - 1ul)));
+			writel(0, CONFIG_SYS_SDRAM_BASE + cs0_cap);
+			writel(PATTERN, test_addr);
+
+			if (((readl(test_addr) & byte_mask) ==
+			     (PATTERN & byte_mask)) &&
+			    ((readl(CONFIG_SYS_SDRAM_BASE + cs0_cap) &
+			      byte_mask) == 0)) {
+				break;
+			}
+		}
+	}
+
+	cap_info->cs1_row = row;
+
+	return 0;
+}
+
+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),
+	       &dram->cru->softrst_con[1]);
+	writel(ddrphy_srstn_req(phy_srstn) | ddrphy_psrstn_req(phy_psrstn),
+	       &dram->cru->softrst_con[2]);
+}
+
+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;
+
+	refdiv = 1;
+	if (mhz <= 300) {
+		postdiv1 = 4;
+		postdiv2 = 2;
+	} else if (mhz <= 400) {
+		postdiv1 = 6;
+		postdiv2 = 1;
+	} else if (mhz <= 600) {
+		postdiv1 = 4;
+		postdiv2 = 1;
+	} else if (mhz <= 800) {
+		postdiv1 = 3;
+		postdiv2 = 1;
+	} else if (mhz <= 1600) {
+		postdiv1 = 2;
+		postdiv2 = 1;
+	} else {
+		postdiv1 = 1;
+		postdiv2 = 1;
+	}
+	fbdiv = (mhz * refdiv * postdiv1 * postdiv2) / 24;
+
+	writel(DPLL_MODE(CLOCK_FROM_XIN_OSC), &dram->cru->mode);
+
+	writel(POSTDIV1(postdiv1) | FBDIV(fbdiv), &dram->cru->pll[1].con0);
+	writel(DSMPD(1) | POSTDIV2(postdiv2) | REFDIV(refdiv),
+	       &dram->cru->pll[1].con1);
+
+	while (delay > 0) {
+		rockchip_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 px30_sdram_params *sdram_params)
+{
+	/* for inno ddr phy need 2*freq */
+	rkclk_set_dpll(dram,  sdram_params->base.ddr_freq * MHz * 2);
+}
+
+/* return ddrconfig value
+ *       (-1), find ddrconfig fail
+ *       other, the ddrconfig value
+ * only support cs0_row >= cs1_row
+ */
+static unsigned int calculate_ddrconfig(struct px30_sdram_params *sdram_params)
+{
+	struct px30_sdram_channel *cap_info = &sdram_params->ch;
+	u32 bw, die_bw, col, bank;
+	u32 i, tmp;
+	u32 ddrconf = -1;
+
+	bw = cap_info->bw;
+	die_bw = cap_info->dbw;
+	col = cap_info->col;
+	bank = cap_info->bk;
+
+	if (sdram_params->base.dramtype == DDR4) {
+		if (die_bw == 0)
+			ddrconf = 7 + bw;
+		else
+			ddrconf = 12 - bw;
+		ddrconf = d4_rbc_2_d3_rbc[ddrconf - 7];
+	} else {
+		tmp = ((bank - 2) << 3) | (col + bw - 10);
+		for (i = 0; i < 7; i++)
+			if ((ddr_cfg_2_rbc[i] & 0xf) == tmp) {
+				ddrconf = i;
+				break;
+			}
+		if (i > 6)
+			printascii("calculate ddrconfig error\n");
+	}
+
+	return ddrconf;
+}
+
+/*
+ * rank = 1: cs0
+ * rank = 2: cs1
+ */
+static void pctl_read_mr(void __iomem *pctl_base, u32 rank, u32 mr_num)
+{
+	writel((rank << 4) | (1 << 0), pctl_base + DDR_PCTL2_MRCTRL0);
+	writel((mr_num << 8), pctl_base + DDR_PCTL2_MRCTRL1);
+	setbits_le32(pctl_base + DDR_PCTL2_MRCTRL0, 1u << 31);
+	while (readl(pctl_base + DDR_PCTL2_MRCTRL0) & (1u << 31))
+		continue;
+	while (readl(pctl_base + DDR_PCTL2_MRSTAT) & MR_WR_BUSY)
+		continue;
+}
+
+/* rank = 1: cs0
+ * rank = 2: cs1
+ * rank = 3: cs0 & cs1
+ * note: be careful of keep mr original val
+ */
+static int pctl_write_mr(void __iomem *pctl_base, u32 rank, u32 mr_num, u32 arg,
+			 u32 dramtype)
+{
+	while (readl(pctl_base + DDR_PCTL2_MRSTAT) & MR_WR_BUSY)
+		continue;
+	if (dramtype == DDR3 || dramtype == DDR4) {
+		writel((mr_num << 12) | (rank << 4) | (0 << 0),
+		       pctl_base + DDR_PCTL2_MRCTRL0);
+		writel(arg, pctl_base + DDR_PCTL2_MRCTRL1);
+	} else {
+		writel((rank << 4) | (0 << 0),
+		       pctl_base + DDR_PCTL2_MRCTRL0);
+		writel((mr_num << 8) | (arg & 0xff),
+		       pctl_base + DDR_PCTL2_MRCTRL1);
+	}
+
+	setbits_le32(pctl_base + DDR_PCTL2_MRCTRL0, 1u << 31);
+	while (readl(pctl_base + DDR_PCTL2_MRCTRL0) & (1u << 31))
+		continue;
+	while (readl(pctl_base + DDR_PCTL2_MRSTAT) & MR_WR_BUSY)
+		continue;
+
+	return 0;
+}
+
+static int upctl2_update_ref_reg(void __iomem *pctl_base)
+{
+	u32 ret;
+
+	ret = readl(pctl_base + DDR_PCTL2_RFSHCTL3) ^ (1 << 1);
+	writel(ret, pctl_base + DDR_PCTL2_RFSHCTL3);
+
+	return 0;
+}
+
+static u32 pctl_dis_zqcs_aref(void __iomem *pctl_base)
+{
+	u32 dis_auto_zq = 0;
+
+	/* disable zqcs */
+	if (!(readl(pctl_base + DDR_PCTL2_ZQCTL0) &
+		(1ul << 31))) {
+		dis_auto_zq = 1;
+		setbits_le32(pctl_base + DDR_PCTL2_ZQCTL0, 1 << 31);
+	}
+
+	/* disable auto refresh */
+	setbits_le32(pctl_base + DDR_PCTL2_RFSHCTL3, 1);
+
+	upctl2_update_ref_reg(pctl_base);
+
+	return dis_auto_zq;
+}
+
+static void pctl_rest_zqcs_aref(void __iomem *pctl_base, u32 dis_auto_zq)
+{
+	/* restore zqcs */
+	if (dis_auto_zq)
+		clrbits_le32(pctl_base + DDR_PCTL2_ZQCTL0, 1 << 31);
+
+	/* restore auto refresh */
+	clrbits_le32(pctl_base + DDR_PCTL2_RFSHCTL3, 1);
+
+	upctl2_update_ref_reg(pctl_base);
+}
+
+/*
+ * rank : 1:cs0, 2:cs1, 3:cs0&cs1
+ * vrefrate: 4500: 45%,
+ */
+static int pctl_write_vrefdq(void __iomem *pctl_base, u32 rank, u32 vrefrate,
+			     u32 dramtype)
+{
+	u32 tccd_l, value;
+	u32 dis_auto_zq = 0;
+
+	if (dramtype != DDR4 || vrefrate < 4500 ||
+	    vrefrate > 9200)
+		return (-1);
+
+	tccd_l = (readl(pctl_base + DDR_PCTL2_DRAMTMG4) >> 16) & 0xf;
+	tccd_l = (tccd_l - 4) << 10;
+
+	if (vrefrate > 7500) {
+		/* range 1 */
+		value = ((vrefrate - 6000) / 65) | tccd_l;
+	} else {
+		/* range 2 */
+		value = ((vrefrate - 4500) / 65) | tccd_l | (1 << 6);
+	}
+
+	dis_auto_zq = pctl_dis_zqcs_aref(pctl_base);
+
+	/* enable vrefdq calibratin */
+	pctl_write_mr(pctl_base, rank, 6, value | (1 << 7), dramtype);
+	udelay(1);/* tvrefdqe */
+	/* write vrefdq value */
+	pctl_write_mr(pctl_base, rank, 6, value | (1 << 7), dramtype);
+	udelay(1);/* tvref_time */
+	pctl_write_mr(pctl_base, rank, 6, value | (0 << 7), dramtype);
+	udelay(1);/* tvrefdqx */
+
+	pctl_rest_zqcs_aref(pctl_base, dis_auto_zq);
+
+	return 0;
+}
+
+static u32 pctl_remodify_sdram_params(struct ddr_pctl_regs *pctl_regs,
+				      struct px30_sdram_channel *cap_info,
+			       u32 dram_type)
+{
+	u32 tmp = 0, tmp_adr = 0, i;
+
+	for (i = 0; pctl_regs->pctl[i][0] != 0xFFFFFFFF; i++) {
+		if (pctl_regs->pctl[i][0] == 0) {
+			tmp = pctl_regs->pctl[i][1];/* MSTR */
+			tmp_adr = i;
+		}
+	}
+
+	tmp &= ~((3ul << 30) | (3ul << 24) | (3ul << 12));
+
+	switch (cap_info->dbw) {
+	case 2:
+		tmp |= (3ul << 30);
+		break;
+	case 1:
+		tmp |= (2ul << 30);
+		break;
+	case 0:
+	default:
+		tmp |= (1ul << 30);
+		break;
+	}
+
+	/*
+	 * If DDR3 or DDR4 MSTR.active_ranks=1,
+	 * it will gate memory clock when enter power down.
+	 * Force set active_ranks to 3 to workaround it.
+	 */
+	if (cap_info->rank == 2 || dram_type == DDR3 ||
+	    dram_type == DDR4)
+		tmp |= 3 << 24;
+	else
+		tmp |= 1 << 24;
+
+	tmp |= (2 - cap_info->bw) << 12;
+
+	pctl_regs->pctl[tmp_adr][1] = tmp;
+
+	return 0;
+}
+
+static int pctl_cfg(void __iomem *pctl_base, struct ddr_pctl_regs *pctl_regs,
+		    u32 sr_idle, u32 pd_idle)
+{
+	u32 i;
+
+	for (i = 0; pctl_regs->pctl[i][0] != 0xFFFFFFFF; i++) {
+		writel(pctl_regs->pctl[i][1],
+		       pctl_base + pctl_regs->pctl[i][0]);
+	}
+	clrsetbits_le32(pctl_base + DDR_PCTL2_PWRTMG,
+			(0xff << 16) | 0x1f,
+			((sr_idle & 0xff) << 16) | (pd_idle & 0x1f));
+
+	clrsetbits_le32(pctl_base + DDR_PCTL2_HWLPCTL,
+			0xfff << 16,
+			5 << 16);
+	/* disable zqcs */
+	setbits_le32(pctl_base + DDR_PCTL2_ZQCTL0, 1u << 31);
+
+	return 0;
+}
+
+/*
+ * calculate controller dram address map, and setting to register.
+ * argument sdram_params->ch.ddrconf must be right value before
+ * call this function.
+ */
+static void set_ctl_address_map(struct dram_info *dram,
+				struct px30_sdram_params *sdram_params)
+{
+	struct px30_sdram_channel *cap_info = &sdram_params->ch;
+	void __iomem *pctl_base = dram->pctl;
+	u32 cs_pst, bg, max_row, ddrconf;
+	u32 i;
+
+	if (sdram_params->base.dramtype == DDR4)
+		/*
+		 * DDR4 8bit dram BG = 2(4bank groups),
+		 * 16bit dram BG = 1 (2 bank groups)
+		 */
+		bg = (cap_info->dbw == 0) ? 2 : 1;
+	else
+		bg = 0;
+
+	cs_pst = cap_info->bw + cap_info->col +
+		bg + cap_info->bk + cap_info->cs0_row;
+	if (cs_pst >= 32 || cap_info->rank == 1)
+		writel(0x1f, pctl_base + DDR_PCTL2_ADDRMAP0);
+	else
+		writel(cs_pst - 8, pctl_base + DDR_PCTL2_ADDRMAP0);
+
+	ddrconf = cap_info->ddrconfig;
+	if (sdram_params->base.dramtype == DDR4) {
+		for (i = 0; i < ARRAY_SIZE(d4_rbc_2_d3_rbc); i++) {
+			if (d4_rbc_2_d3_rbc[i] == ddrconf) {
+				ddrconf = 7 + i;
+				break;
+			}
+		}
+	}
+
+	sdram_copy_to_reg((u32 *)(pctl_base + DDR_PCTL2_ADDRMAP1),
+			  &addrmap[ddrconf][0], 8 * 4);
+	max_row = cs_pst - 1 - 8 - (addrmap[ddrconf][5] & 0xf);
+
+	if (max_row < 12)
+		printascii("set addrmap fail\n");
+	/* need to disable row ahead of rank by set to 0xf */
+	for (i = 17; i > max_row; i--)
+		clrsetbits_le32(pctl_base + DDR_PCTL2_ADDRMAP6 +
+			((i - 12) * 8 / 32) * 4,
+			0xf << ((i - 12) * 8 % 32),
+			0xf << ((i - 12) * 8 % 32));
+
+	if ((sdram_params->base.dramtype == LPDDR3 ||
+	     sdram_params->base.dramtype == LPDDR2) &&
+		 cap_info->row_3_4)
+		setbits_le32(pctl_base + DDR_PCTL2_ADDRMAP6, 1 << 31);
+	if (sdram_params->base.dramtype == DDR4 && cap_info->bw != 0x2)
+		setbits_le32(pctl_base + DDR_PCTL2_PCCFG, 1 << 8);
+}
+
+/*
+ * rank = 1: cs0
+ * rank = 2: cs1
+ */
+int read_mr(struct dram_info *dram, u32 rank, u32 mr_num)
+{
+	void __iomem *ddr_grf_base = dram->ddr_grf;
+
+	pctl_read_mr(dram->pctl, rank, mr_num);
+
+	return (readl(ddr_grf_base + DDR_GRF_STATUS(0)) & 0xff);
+}
+
+#define MIN(a, b)	(((a) > (b)) ? (b) : (a))
+#define MAX(a, b)	(((a) > (b)) ? (a) : (b))
+static u32 check_rd_gate(struct dram_info *dram)
+{
+	void __iomem *phy_base = dram->phy;
+
+	u32 max_val = 0;
+	u32 min_val = 0xff;
+	u32 gate[4];
+	u32 i, bw;
+
+	bw = (readl(PHY_REG(phy_base, 0x0)) >> 4) & 0xf;
+	switch (bw) {
+	case 0x1:
+		bw = 1;
+		break;
+	case 0x3:
+		bw = 2;
+		break;
+	case 0xf:
+	default:
+		bw = 4;
+		break;
+	}
+
+	for (i = 0; i < bw; i++) {
+		gate[i] = readl(PHY_REG(phy_base, 0xfb + i));
+		max_val = MAX(max_val, gate[i]);
+		min_val = MIN(min_val, gate[i]);
+	}
+
+	if (max_val > 0x80 || min_val < 0x20)
+		return -1;
+	else
+		return 0;
+}
+
+static int data_training(struct dram_info *dram, u32 cs, u32 dramtype)
+{
+	void __iomem *pctl_base = dram->pctl;
+	u32 dis_auto_zq = 0;
+	u32 pwrctl;
+	u32 ret;
+
+	/* disable auto low-power */
+	pwrctl = readl(pctl_base + DDR_PCTL2_PWRCTL);
+	writel(0, pctl_base + DDR_PCTL2_PWRCTL);
+
+	dis_auto_zq = pctl_dis_zqcs_aref(dram->pctl);
+
+	ret = phy_data_training(dram->phy, cs, dramtype);
+
+	pctl_rest_zqcs_aref(dram->pctl, dis_auto_zq);
+
+	/* restore auto low-power */
+	writel(pwrctl, pctl_base + DDR_PCTL2_PWRCTL);
+
+	return ret;
+}
+
+static void dram_set_bw(struct dram_info *dram, u32 bw)
+{
+	phy_dram_set_bw(dram->phy, bw);
+}
+
+static void set_ddrconfig(struct dram_info *dram, u32 ddrconfig)
+{
+	writel(ddrconfig | (ddrconfig << 8), &dram->msch->deviceconf);
+	rk_clrsetreg(&dram->grf->soc_noc_con[1], 0x3 << 14, 0 << 14);
+}
+
+static void dram_all_config(struct dram_info *dram,
+			    struct px30_sdram_params *sdram_params)
+{
+	struct px30_sdram_channel *cap_info = &sdram_params->ch;
+	u32 sys_reg2 = 0;
+	u32 sys_reg3 = 0;
+
+	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]);
+	sdram_msch_config(dram->msch, &sdram_params->ch.noc_timings, cap_info,
+			  &sdram_params->base);
+}
+
+static void enable_low_power(struct dram_info *dram,
+			     struct px30_sdram_params *sdram_params)
+{
+	void __iomem *pctl_base = dram->pctl;
+	void __iomem *phy_base = dram->phy;
+	void __iomem *ddr_grf_base = dram->ddr_grf;
+	u32 grf_lp_con;
+
+	/*
+	 * bit0: grf_upctl_axi_cg_en = 1 enable upctl2 axi clk auto gating
+	 * bit1: grf_upctl_apb_cg_en = 1 ungated axi,core clk for apb access
+	 * bit2: grf_upctl_core_cg_en = 1 enable upctl2 core clk auto gating
+	 * bit3: grf_selfref_type2_en = 0 disable core clk gating when type2 sr
+	 * bit4: grf_upctl_syscreq_cg_en = 1
+	 *       ungating coreclk when c_sysreq assert
+	 * bit8-11: grf_auto_sr_dly = 6
+	 */
+	writel(0x1f1f0617, &dram->ddr_grf->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, ddr_grf_base + DDR_GRF_LP_CON);
+
+	/* off digit module clock when enter power down */
+	setbits_le32(PHY_REG(phy_base, 7), 1 << 7);
+
+	/* enable sr, pd */
+	if (PD_IDLE == 0)
+		clrbits_le32(pctl_base + DDR_PCTL2_PWRCTL, (1 << 1));
+	else
+		setbits_le32(pctl_base + DDR_PCTL2_PWRCTL, (1 << 1));
+	if (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));
+}
+
+/*
+ * pre_init: 0: pre init for dram cap detect
+ * 1: detect correct cap(except cs1 row)info, than reinit
+ * 2: after reinit, we detect cs1_row, if cs1_row not equal
+ *    to cs0_row and cs is in middle on ddrconf map, we need
+ *    to reinit dram, than set the correct ddrconf.
+ */
+static int sdram_init_(struct dram_info *dram,
+		       struct px30_sdram_params *sdram_params, u32 pre_init)
+{
+	struct px30_sdram_channel *cap_info = &sdram_params->ch;
+	void __iomem *pctl_base = dram->pctl;
+
+	rkclk_ddr_reset(dram, 1, 1, 1, 1);
+	rockchip_udelay(10);
+	/*
+	 * dereset ddr phy psrstn to config pll,
+	 * if using phy pll psrstn must be dereset
+	 * before config pll
+	 */
+	rkclk_ddr_reset(dram, 1, 1, 1, 0);
+	rkclk_configure_ddr(dram, sdram_params);
+
+	/* release phy srst to provide clk to ctrl */
+	rkclk_ddr_reset(dram, 1, 1, 0, 0);
+	rockchip_udelay(10);
+	phy_soft_reset(dram->phy);
+
+	/* release ctrl presetn, and config ctl registers */
+	rkclk_ddr_reset(dram, 1, 0, 0, 0);
+	pctl_cfg(dram->pctl, &sdram_params->pctl_regs, SR_IDLE, PD_IDLE);
+	cap_info->ddrconfig = calculate_ddrconfig(sdram_params);
+	set_ctl_address_map(dram, sdram_params);
+	phy_cfg(dram->phy, &sdram_params->phy_regs, sdram_params->skew,
+		&sdram_params->base, cap_info->bw);
+
+	/* enable dfi_init_start to init phy after ctl srstn deassert */
+	setbits_le32(pctl_base + DDR_PCTL2_DFIMISC, (1 << 5) | (1 << 4));
+
+	rkclk_ddr_reset(dram, 0, 0, 0, 0);
+	/* wait for dfi_init_done and dram init complete */
+	while ((readl(pctl_base + DDR_PCTL2_STAT) & 0x7) == 0)
+		continue;
+
+	if (sdram_params->base.dramtype == LPDDR3)
+		pctl_write_mr(dram->pctl, 3, 11, 3, LPDDR3);
+
+	/* do ddr gate training */
+redo_cs0_training:
+	if (data_training(dram, 0, sdram_params->base.dramtype) != 0) {
+		if (pre_init != 0)
+			printascii("DTT cs0 error\n");
+		return -1;
+	}
+	if (check_rd_gate(dram)) {
+		printascii("re training cs0");
+		goto redo_cs0_training;
+	}
+
+	if (sdram_params->base.dramtype == LPDDR3) {
+		if ((read_mr(dram, 1, 8) & 0x3) != 0x3)
+			return -1;
+	} else if (sdram_params->base.dramtype == LPDDR2) {
+		if ((read_mr(dram, 1, 8) & 0x3) != 0x0)
+			return -1;
+	}
+
+	/* for px30: when 2cs, both 2 cs should be training */
+	if (pre_init != 0 && cap_info->rank == 2) {
+redo_cs1_training:
+		if (data_training(dram, 1, sdram_params->base.dramtype) != 0) {
+			printascii("DTT cs1 error\n");
+			return -1;
+		}
+		if (check_rd_gate(dram)) {
+			printascii("re training cs1");
+			goto redo_cs1_training;
+		}
+	}
+
+	if (sdram_params->base.dramtype == DDR4)
+		pctl_write_vrefdq(dram->pctl, 0x3, 5670,
+				  sdram_params->base.dramtype);
+
+	dram_all_config(dram, sdram_params);
+	enable_low_power(dram, sdram_params);
+
+	return 0;
+}
+
+static int dram_detect_cap(struct dram_info *dram,
+			   struct px30_sdram_params *sdram_params,
+			   unsigned char channel)
+{
+	struct px30_sdram_channel *cap_info = &sdram_params->ch;
+
+	/*
+	 * for ddr3: ddrconf = 3
+	 * for ddr4: ddrconf = 12
+	 * for lpddr3: ddrconf = 3
+	 * default bw = 1
+	 */
+	u32 bk, bktmp;
+	u32 col, coltmp;
+	u32 rowtmp;
+	u32 cs;
+	u32 bw = 1;
+	u32 dram_type = sdram_params->base.dramtype;
+
+	if (dram_type != DDR4) {
+		/* detect col and bk for ddr3/lpddr3 */
+		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);
+		sdram_detect_dbw(cap_info, dram_type);
+	} else {
+		/* detect bg for ddr4 */
+		coltmp = 10;
+		bktmp = 4;
+		rowtmp = 17;
+
+		col = 10;
+		bk = 2;
+		cap_info->col = col;
+		cap_info->bk = bk;
+		sdram_detect_bg(cap_info, coltmp);
+	}
+
+	/* detect row */
+	if (sdram_detect_row(cap_info, coltmp, bktmp, rowtmp) != 0)
+		goto cap_err;
+
+	/* detect row_3_4 */
+	sdram_detect_row_3_4(cap_info, coltmp, bktmp);
+
+	/* bw and cs detect using data training */
+	if (data_training(dram, 1, dram_type) == 0)
+		cs = 1;
+	else
+		cs = 0;
+	cap_info->rank = cs + 1;
+
+	dram_set_bw(dram, 2);
+	if (data_training(dram, 0, dram_type) == 0)
+		bw = 2;
+	else
+		bw = 1;
+	cap_info->bw = bw;
+
+	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;
+	}
+
+	return 0;
+cap_err:
+	return -1;
+}
+
+static int sdram_init_detect(struct dram_info *dram,
+			     struct px30_sdram_params *sdram_params)
+{
+	struct px30_sdram_channel *cap_info = &sdram_params->ch;
+	u32 ret;
+	u32 sys_reg = 0;
+	u32 sys_reg3 = 0;
+
+	if (sdram_init_(dram, sdram_params, 0) != 0)
+		return -1;
+
+	if (dram_detect_cap(dram, sdram_params, 0) != 0)
+		return -1;
+
+	/* modify bw, cs related timing */
+	pctl_remodify_sdram_params(&sdram_params->pctl_regs, cap_info,
+				   sdram_params->base.dramtype);
+	/* reinit sdram by real dram cap */
+	ret = sdram_init_(dram, sdram_params, 1);
+	if (ret != 0)
+		goto out;
+
+	/* redetect cs1 row */
+	sdram_detect_cs1_row(cap_info, sdram_params->base.dramtype);
+	if (cap_info->cs1_row) {
+		sys_reg = readl(&dram->pmugrf->os_reg[2]);
+		sys_reg3 = readl(&dram->pmugrf->os_reg[3]);
+		writel(sys_reg, &dram->pmugrf->os_reg[2]);
+		writel(sys_reg3, &dram->pmugrf->os_reg[3]);
+	}
+
+	ret = sdram_detect_high_row(cap_info);
+
+out:
+	return ret;
+}
+
+struct px30_sdram_params *get_default_sdram_config(void)
+{
+	sdram_configs[0].skew = &skew;
+
+	return &sdram_configs[0];
+}
+
+int sdram_init(void)
+{
+	struct px30_sdram_params *sdram_params;
+	int ret = 0;
+
+	dram_info.phy = (void *)DDR_PHY_BASE_ADDR;
+	dram_info.pctl = (void *)DDRC_BASE_ADDR;
+	dram_info.grf = (void *)GRF_BASE_ADDR;
+	dram_info.cru = (void *)CRU_BASE_ADDR;
+	dram_info.msch = (void *)SERVER_MSCH0_BASE_ADDR;
+	dram_info.ddr_grf = (void *)DDR_GRF_BASE_ADDR;
+	dram_info.pmugrf = (void *)PMUGRF_BASE_ADDR;
+
+	sdram_params = get_default_sdram_config();
+	ret = sdram_init_detect(&dram_info, sdram_params);
+	if (ret)
+		return ret;
+
+	return ret;
+}
+#endif /* CONFIG_TPL_BUILD */
diff --git a/arch/arm/mach-rockchip/px30/syscon_px30.c b/arch/arm/mach-rockchip/px30/syscon_px30.c
new file mode 100644
index 0000000000..0331491b40
--- /dev/null
+++ b/arch/arm/mach-rockchip/px30/syscon_px30.c
@@ -0,0 +1,53 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * (C) Copyright 2017 Rockchip Electronics Co., Ltd
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <syscon.h>
+#include <asm/arch-rockchip/clock.h>
+
+static const struct udevice_id px30_syscon_ids[] = {
+	{ .compatible = "rockchip,px30-pmu", .data = ROCKCHIP_SYSCON_PMU },
+	{ .compatible = "rockchip,px30-pmugrf", .data = ROCKCHIP_SYSCON_PMUGRF },
+	{ .compatible = "rockchip,px30-grf", .data = ROCKCHIP_SYSCON_GRF },
+	{ }
+};
+
+U_BOOT_DRIVER(syscon_px30) = {
+	.id = UCLASS_SYSCON,
+	.name = "px30_syscon",
+	.of_match = px30_syscon_ids,
+};
+
+#if CONFIG_IS_ENABLED(OF_PLATDATA)
+static int px30_syscon_bind_of_platdata(struct udevice *dev)
+{
+	dev->driver_data = dev->driver->of_match->data;
+	debug("syscon: %s %d\n", dev->name, (uint)dev->driver_data);
+
+	return 0;
+}
+
+U_BOOT_DRIVER(rockchip_px30_pmu) = {
+	.name = "rockchip_px30_pmu",
+	.id = UCLASS_SYSCON,
+	.of_match = px30_syscon_ids,
+	.bind = px30_syscon_bind_of_platdata,
+};
+
+U_BOOT_DRIVER(rockchip_px30_pmugrf) = {
+	.name = "rockchip_px30_pmugrf",
+	.id = UCLASS_SYSCON,
+	.of_match = px30_syscon_ids + 1,
+	.bind = px30_syscon_bind_of_platdata,
+};
+
+U_BOOT_DRIVER(rockchip_px30_grf) = {
+	.name = "rockchip_px30_grf",
+	.id = UCLASS_SYSCON,
+	.of_match = px30_syscon_ids + 2,
+	.bind = px30_syscon_bind_of_platdata,
+};
+#endif
