diff --git a/drivers/ram/Makefile b/drivers/ram/Makefile
index 4ad3604..65cba80 100644
--- a/drivers/ram/Makefile
+++ b/drivers/ram/Makefile
@@ -12,3 +12,4 @@ obj-$(CONFIG_STM32_SDRAM) += stm32_sdram.o
 obj-$(CONFIG_ARCH_BMIPS) += bmips_ram.o
 
 obj-$(CONFIG_ARCH_ROCKCHIP) += rockchip/
+obj-$(CONFIG_ARCH_MEDIATEK) += mediatek/
diff --git a/drivers/ram/mediatek/Makefile b/drivers/ram/mediatek/Makefile
new file mode 100644
index 0000000..95507b5
--- /dev/null
+++ b/drivers/ram/mediatek/Makefile
@@ -0,0 +1,7 @@
+#
+# Copyright (c) 2018 MediaTek Inc.
+#
+# SPDX-License-Identifier:      GPL-2.0
+#
+
+obj-$(CONFIG_TARGET_MT7629) = ddr3-mt7629.o
diff --git a/drivers/ram/mediatek/ddr3-mt7629.c b/drivers/ram/mediatek/ddr3-mt7629.c
new file mode 100644
index 0000000..b413f49
--- /dev/null
+++ b/drivers/ram/mediatek/ddr3-mt7629.c
@@ -0,0 +1,766 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * MediaTek DDR3 driver for MT7629 SoC
+ *
+ * Copyright (C) 2018 MediaTek Inc.
+ * Author: Wu Zou <wu.zou@mediatek.com>
+ *	   Ryder Lee <ryder.lee@mediatek.com>
+ */
+
+#include <clk.h>
+#include <common.h>
+#include <dm.h>
+#include <ram.h>
+#include <asm/io.h>
+
+/* EMI */
+#define EMI_CONA			0x000
+#define EMI_CONF			0x028
+#define EMI_CONM			0x060
+
+/* DDR PHY */
+#define DDRPHY_PLL1			0x0000
+#define DDRPHY_PLL2			0x0004
+#define DDRPHY_PLL3			0x0008
+#define DDRPHY_PLL4			0x000c
+#define DDRPHY_PLL5			0x0010
+#define DDRPHY_PLL7			0x0018
+#define DDRPHY_B0_DLL_ARPI0		0x0080
+#define DDRPHY_B0_DLL_ARPI1		0x0084
+#define DDRPHY_B0_DLL_ARPI2		0x0088
+#define DDRPHY_B0_DLL_ARPI3		0x008c
+#define DDRPHY_B0_DLL_ARPI4		0x0090
+#define DDRPHY_B0_DLL_ARPI5		0x0094
+#define DDRPHY_B0_DQ2			0x00a0
+#define DDRPHY_B0_DQ3			0x00a4
+#define DDRPHY_B0_DQ4			0x00a8
+#define DDRPHY_B0_DQ5			0x00ac
+#define DDRPHY_B0_DQ6			0x00b0
+#define DDRPHY_B0_DQ7			0x00b4
+#define DDRPHY_B0_DQ8			0x00b8
+#define DDRPHY_B1_DLL_ARPI0		0x0100
+#define DDRPHY_B1_DLL_ARPI1		0x0104
+#define DDRPHY_B1_DLL_ARPI2		0x0108
+#define DDRPHY_B1_DLL_ARPI3		0x010c
+#define DDRPHY_B1_DLL_ARPI4		0x0110
+#define DDRPHY_B1_DLL_ARPI5		0x0114
+#define DDRPHY_B1_DQ2			0x0120
+#define DDRPHY_B1_DQ3			0x0124
+#define DDRPHY_B1_DQ4			0x0128
+#define DDRPHY_B1_DQ5			0x012c
+#define DDRPHY_B1_DQ6			0x0130
+#define DDRPHY_B1_DQ7			0x0134
+#define DDRPHY_B1_DQ8			0x0138
+#define DDRPHY_CA_DLL_ARPI0		0x0180
+#define DDRPHY_CA_DLL_ARPI1		0x0184
+#define DDRPHY_CA_DLL_ARPI2		0x0188
+#define DDRPHY_CA_DLL_ARPI3		0x018c
+#define DDRPHY_CA_DLL_ARPI4		0x0190
+#define DDRPHY_CA_DLL_ARPI5		0x0194
+#define DDRPHY_CA_CMD2			0x01a0
+#define DDRPHY_CA_CMD3			0x01a4
+#define DDRPHY_CA_CMD5			0x01ac
+#define DDRPHY_CA_CMD6			0x01b0
+#define DDRPHY_CA_CMD7			0x01b4
+#define DDRPHY_CA_CMD8			0x01b8
+#define DDRPHY_MISC_VREF_CTRL		0x0264
+#define DDRPHY_MISC_IMP_CTRL0		0x0268
+#define DDRPHY_MISC_IMP_CTRL1		0x026c
+#define DDRPHY_MISC_SHU_OPT		0x0270
+#define DDRPHY_MISC_SPM_CTRL0		0x0274
+#define DDRPHY_MISC_SPM_CTRL1		0x0278
+#define DDRPHY_MISC_SPM_CTRL2		0x027c
+#define DDRPHY_MISC_CG_CTRL0		0x0284
+#define DDRPHY_MISC_CG_CTRL1		0x0288
+#define DDRPHY_MISC_CG_CTRL2		0x028c
+#define DDRPHY_MISC_CG_CTRL4		0x0294
+#define DDRPHY_MISC_CTRL0		0x029c
+#define DDRPHY_MISC_CTRL1		0x02a0
+#define DDRPHY_MISC_CTRL3		0x02a8
+#define DDRPHY_MISC_RXDVS1		0x05e4
+#define DDRPHY_SHU1_B0_DQ4		0x0c10
+#define DDRPHY_SHU1_B0_DQ5		0x0c14
+#define DDRPHY_SHU1_B0_DQ6		0x0c18
+#define DDRPHY_SHU1_B0_DQ7		0x0c1c
+#define DDRPHY_SHU1_B1_DQ4		0x0c90
+#define DDRPHY_SHU1_B1_DQ5		0x0c94
+#define DDRPHY_SHU1_B1_DQ6		0x0c98
+#define DDRPHY_SHU1_B1_DQ7		0x0c9c
+#define DDRPHY_SHU1_CA_CMD2		0x0d08
+#define DDRPHY_SHU1_CA_CMD4		0x0d10
+#define DDRPHY_SHU1_CA_CMD5		0x0d14
+#define DDRPHY_SHU1_CA_CMD6		0x0d18
+#define DDRPHY_SHU1_CA_CMD7		0x0d1c
+#define DDRPHY_SHU1_PLL0		0x0d80
+#define DDRPHY_SHU1_PLL1		0x0d84
+#define DDRPHY_SHU1_PLL4		0x0d90
+#define DDRPHY_SHU1_PLL5		0x0d94
+#define DDRPHY_SHU1_PLL6		0x0d98
+#define DDRPHY_SHU1_PLL7		0x0d9C
+#define DDRPHY_SHU1_PLL8		0x0da0
+#define DDRPHY_SHU1_PLL9		0x0da4
+#define DDRPHY_SHU1_PLL10		0x0da8
+#define DDRPHY_SHU1_PLL11		0x0dac
+#define DDRPHY_SHU1_R0_B0_DQ2		0x0e08
+#define DDRPHY_SHU1_R0_B0_DQ3		0x0e0c
+#define DDRPHY_SHU1_R0_B0_DQ4		0x0e10
+#define DDRPHY_SHU1_R0_B0_DQ5		0x0e14
+#define DDRPHY_SHU1_R0_B0_DQ6		0x0e18
+#define DDRPHY_SHU1_R0_B0_DQ7		0x0e1c
+#define DDRPHY_SHU1_R0_B1_DQ2		0x0e58
+#define DDRPHY_SHU1_R0_B1_DQ3		0x0e5c
+#define DDRPHY_SHU1_R0_B1_DQ4		0x0e60
+#define DDRPHY_SHU1_R0_B1_DQ5		0x0e64
+#define DDRPHY_SHU1_R0_B1_DQ6		0x0e68
+#define DDRPHY_SHU1_R0_B1_DQ7		0x0e6c
+#define DDRPHY_SHU1_R0_CA_CMD9		0x0ec4
+#define DDRPHY_SHU1_R1_B0_DQ2		0x0f08
+#define DDRPHY_SHU1_R1_B0_DQ3		0x0f0c
+#define DDRPHY_SHU1_R1_B0_DQ4		0x0f10
+#define DDRPHY_SHU1_R1_B0_DQ5		0x0f14
+#define DDRPHY_SHU1_R1_B0_DQ6		0x0f18
+#define DDRPHY_SHU1_R1_B0_DQ7		0x0f1c
+#define DDRPHY_SHU1_R1_B1_DQ2		0x0f58
+#define DDRPHY_SHU1_R1_B1_DQ3		0x0f5c
+#define DDRPHY_SHU1_R1_B1_DQ4		0x0f60
+#define DDRPHY_SHU1_R1_B1_DQ5		0x0f64
+#define DDRPHY_SHU1_R1_B1_DQ6		0x0f68
+#define DDRPHY_SHU1_R1_B1_DQ7		0x0f6c
+#define DDRPHY_SHU1_R1_CA_CMD9		0x0fc4
+
+/* DRAMC */
+#define DRAMC_DDRCONF0			0x0000
+#define DRAMC_DRAMCTRL			0x0004
+#define DRAMC_MISCTL0			0x0008
+#define DRAMC_PERFCTL0			0x000c
+#define DRAMC_ARBCTL			0x0010
+#define DRAMC_RSTMASK			0x001c
+#define DRAMC_PADCTRL			0x0020
+#define DRAMC_CKECTRL			0x0024
+#define DRAMC_RKCFG			0x0034
+#define DRAMC_DRAMC_PD_CTRL		0x0038
+#define DRAMC_CLKAR			0x003c
+#define DRAMC_CLKCTRL			0x0040
+#define DRAMC_SREFCTRL			0x0048
+#define DRAMC_REFCTRL0			0x004c
+#define DRAMC_REFCTRL1			0x0050
+#define DRAMC_REFRATRE_FILTER		0x0054
+#define DRAMC_ZQCS			0x0058
+#define DRAMC_MRS			0x005c
+#define DRAMC_SPCMD			0x0060
+#define DRAMC_SPCMDCTRL			0x0064
+#define DRAMC_HW_MRR_FUN		0x0074
+#define DRAMC_TEST2_1			0x0094
+#define DRAMC_TEST2_2			0x0098
+#define DRAMC_TEST2_3			0x009c
+#define DRAMC_TEST2_4			0x00a0
+#define DRAMC_CATRAINING1		0x00b0
+#define DRAMC_DUMMY_RD			0x00d0
+#define DRAMC_SHUCTRL			0x00d4
+#define DRAMC_SHUCTRL2			0x00dc
+#define DRAMC_STBCAL			0x0200
+#define DRAMC_STBCAL1			0x0204
+#define DRAMC_EYESCAN			0x020c
+#define DRAMC_DVFSDLL			0x0210
+#define DRAMC_SHU_ACTIM0		0x0800
+#define DRAMC_SHU_ACTIM1		0x0804
+#define DRAMC_SHU_ACTIM2		0x0808
+#define DRAMC_SHU_ACTIM3		0x080c
+#define DRAMC_SHU_ACTIM4		0x0810
+#define DRAMC_SHU_ACTIM5		0x0814
+#define DRAMC_SHU_ACTIM_XRT		0x081c
+#define DRAMC_SHU_AC_TIME_05T		0x0820
+#define DRAMC_SHU_CONF0			0x0840
+#define DRAMC_SHU_CONF1			0x0844
+#define DRAMC_SHU_CONF2			0x0848
+#define DRAMC_SHU_CONF3			0x084c
+#define DRAMC_SHU_RANKCTL		0x0858
+#define DRAMC_SHU_CKECTRL		0x085c
+#define DRAMC_SHU_ODTCTRL		0x0860
+#define DRAMC_SHU_PIPE			0x0878
+#define DRAMC_SHU_SELPH_CA1		0x0880
+#define DRAMC_SHU_SELPH_CA2		0x0884
+#define DRAMC_SHU_SELPH_CA3		0x0888
+#define DRAMC_SHU_SELPH_CA4		0x088c
+#define DRAMC_SHU_SELPH_CA5		0x0890
+#define DRAMC_SHU_SELPH_CA6		0x0894
+#define DRAMC_SHU_SELPH_CA7		0x0898
+#define DRAMC_SHU_SELPH_CA8		0x089c
+#define DRAMC_SHU_SELPH_DQS0		0x08a0
+#define DRAMC_SHU_SELPH_DQS1		0x08a4
+#define DRAMC_SHU1_DRVING1		0x08a8
+#define DRAMC_SHU1_DRVING2		0x08ac
+#define DRAMC_SHU1_WODT			0x08c0
+#define DRAMC_SHU_SCINTV		0x08c8
+#define DRAMC_SHURK0_DQSCTL		0x0a00
+#define DRAMC_SHURK0_DQSIEN		0x0a04
+#define DRAMC_SHURK0_SELPH_ODTEN0	0x0a1c
+#define DRAMC_SHURK0_SELPH_ODTEN1	0x0a20
+#define DRAMC_SHURK0_SELPH_DQSG0	0x0a24
+#define DRAMC_SHURK0_SELPH_DQSG1	0x0a28
+#define DRAMC_SHURK0_SELPH_DQ0		0x0a2c
+#define DRAMC_SHURK0_SELPH_DQ1		0x0a30
+#define DRAMC_SHURK0_SELPH_DQ2		0x0a34
+#define DRAMC_SHURK0_SELPH_DQ3		0x0a38
+#define DRAMC_SHURK1_DQSCTL		0x0b00
+#define DRAMC_SHURK1_SELPH_ODTEN0	0x0b1c
+#define DRAMC_SHURK1_SELPH_ODTEN1	0x0b20
+#define DRAMC_SHURK1_SELPH_DQSG0	0x0b24
+#define DRAMC_SHURK1_SELPH_DQSG1	0x0b28
+#define DRAMC_SHURK1_SELPH_DQ0		0x0b2c
+#define DRAMC_SHURK1_SELPH_DQ1		0x0b30
+#define DRAMC_SHURK1_SELPH_DQ2		0x0b34
+#define DRAMC_SHURK1_SELPH_DQ3		0x0b38
+#define DRAMC_SHURK2_SELPH_ODTEN0	0x0c1c
+#define DRAMC_SHURK2_SELPH_ODTEN1	0x0c20
+#define DRAMC_SHU_DQSG_RETRY		0x0c54
+
+#define EMI_COL_ADDR_MASK		GENMASK(13, 12)
+#define EMI_COL_ADDR_SHIFT		12
+#define WALKING_PATTERN			0x12345678
+#define WALKING_STEP			0x4000000
+
+struct mtk_ddr3_priv {
+	fdt_addr_t emi;
+	fdt_addr_t ddrphy;
+	fdt_addr_t dramc_ao;
+	struct clk phy;
+	struct clk phy_mux;
+	struct clk mem;
+	struct clk mem_mux;
+};
+
+#ifdef CONFIG_SPL_BUILD
+static int mtk_ddr3_rank_size_detect(struct udevice *dev)
+{
+	struct mtk_ddr3_priv *priv = dev_get_priv(dev);
+	int step;
+	u32 start, test;
+
+	/* To detect size, we have to make sure it's single rank
+	 * and it has maximum addressing region
+	 */
+
+	writel(WALKING_PATTERN, CONFIG_SYS_SDRAM_BASE);
+
+	if (readl(CONFIG_SYS_SDRAM_BASE) != WALKING_PATTERN)
+		return -EINVAL;
+
+	for (step = 0; step < 5; step++) {
+		writel(~WALKING_PATTERN, CONFIG_SYS_SDRAM_BASE +
+		       (WALKING_STEP << step));
+
+		start = readl(CONFIG_SYS_SDRAM_BASE);
+		test = readl(CONFIG_SYS_SDRAM_BASE + (WALKING_STEP << step));
+		if ((test != ~WALKING_PATTERN) || test == start)
+			break;
+	}
+
+	step = step ? step - 1 : 3;
+	clrsetbits_le32(priv->emi + EMI_CONA, EMI_COL_ADDR_MASK,
+			step << EMI_COL_ADDR_SHIFT);
+
+	return 0;
+}
+
+static int mtk_ddr3_init(struct udevice *dev)
+{
+	struct mtk_ddr3_priv *priv = dev_get_priv(dev);
+	int ret;
+
+	ret = clk_set_parent(&priv->phy, &priv->phy_mux);
+	if (ret)
+		return ret;
+
+	/* EMI Setting */
+	writel(0x00003010, priv->emi + EMI_CONA);
+	writel(0x00000000, priv->emi + EMI_CONF);
+	writel(0x000006b8, priv->emi + EMI_CONM);
+	/* DQS */
+	writel(0x20c00, priv->dramc_ao + DRAMC_SHU1_DRVING1);
+	/* Clock */
+	writel(0x8320c83, priv->dramc_ao + DRAMC_SHU1_DRVING2);
+
+	/* DDRPHY setting */
+	writel(0x2201, priv->dramc_ao + DRAMC_DRAMCTRL);
+	writel(0x3000000c, priv->dramc_ao + DRAMC_CLKCTRL);
+	writel(0xe08, priv->ddrphy + DDRPHY_CA_CMD5);
+	writel(0x60e, priv->ddrphy + DDRPHY_SHU1_CA_CMD5);
+	writel(0x0, priv->ddrphy + DDRPHY_MISC_SPM_CTRL1);
+	writel(0xffffffff, priv->ddrphy + DDRPHY_MISC_SPM_CTRL0);
+	writel(0xffffffff, priv->ddrphy + DDRPHY_MISC_SPM_CTRL2);
+	writel(0x6003bf, priv->ddrphy + DDRPHY_MISC_CG_CTRL2);
+	writel(0x13300000, priv->ddrphy + DDRPHY_MISC_CG_CTRL4);
+
+	writel(0x1, priv->ddrphy + DDRPHY_SHU1_CA_CMD7);
+	writel(0x21, priv->ddrphy + DDRPHY_SHU1_B0_DQ7);
+	writel(0x1, priv->ddrphy + DDRPHY_SHU1_B1_DQ7);
+	writel(0xfff0, priv->ddrphy + DDRPHY_CA_CMD2);
+	writel(0x0, priv->ddrphy + DDRPHY_B0_DQ2);
+	writel(0x0, priv->ddrphy + DDRPHY_B1_DQ2);
+	writel(0x7, priv->ddrphy + DDRPHY_MISC_RXDVS1);
+	writel(0x10, priv->ddrphy + DDRPHY_PLL3);
+	writel(0x8e8e0000, priv->ddrphy + DDRPHY_MISC_VREF_CTRL);
+	writel(0x2e0040, priv->ddrphy + DDRPHY_MISC_IMP_CTRL0);
+	writel(0x50060e, priv->ddrphy + DDRPHY_SHU1_B0_DQ5);
+	writel(0x50060e, priv->ddrphy + DDRPHY_SHU1_B1_DQ5);
+	udelay(1);
+
+	writel(0x10, priv->ddrphy + DDRPHY_B0_DQ3);
+	writel(0x10, priv->ddrphy + DDRPHY_B1_DQ3);
+	writel(0x3f600, priv->ddrphy + DDRPHY_MISC_CG_CTRL1);
+	writel(0x1010, priv->ddrphy + DDRPHY_B0_DQ4);
+	writel(0x1110e0e, priv->ddrphy + DDRPHY_B0_DQ5);
+	writel(0x10c10d0, priv->ddrphy + DDRPHY_B0_DQ6);
+	writel(0x3110e0e, priv->ddrphy + DDRPHY_B0_DQ5);
+	writel(0x1010, priv->ddrphy + DDRPHY_B1_DQ4);
+	writel(0x1110e0e, priv->ddrphy + DDRPHY_B1_DQ5);
+	writel(0x10c10d0, priv->ddrphy + DDRPHY_B1_DQ6);
+	writel(0x3110e0e, priv->ddrphy + DDRPHY_B1_DQ5);
+	writel(0x7fffffc, priv->ddrphy + DDRPHY_CA_CMD3);
+	writel(0xc0010, priv->ddrphy + DDRPHY_CA_CMD6);
+	writel(0x101, priv->ddrphy + DDRPHY_SHU1_CA_CMD2);
+	writel(0x41e, priv->ddrphy + DDRPHY_B0_DQ3);
+	writel(0x41e, priv->ddrphy + DDRPHY_B1_DQ3);
+	writel(0x180101, priv->ddrphy + DDRPHY_CA_CMD8);
+	writel(0x0, priv->ddrphy + DDRPHY_MISC_IMP_CTRL1);
+	writel(0x11400000, priv->ddrphy + DDRPHY_MISC_CG_CTRL4);
+	writel(0xfff0f0f0, priv->ddrphy + DDRPHY_MISC_SHU_OPT);
+	writel(0x1f, priv->ddrphy + DDRPHY_MISC_CG_CTRL0);
+
+	writel(0x0, priv->ddrphy + DDRPHY_SHU1_CA_CMD6);
+	writel(0x0, priv->ddrphy + DDRPHY_SHU1_B0_DQ6);
+	writel(0x0, priv->ddrphy + DDRPHY_SHU1_B1_DQ6);
+	writel(0x40000, priv->ddrphy + DDRPHY_PLL4);
+	writel(0x0, priv->ddrphy + DDRPHY_PLL1);
+	writel(0x0, priv->ddrphy + DDRPHY_PLL2);
+	writel(0x666008, priv->ddrphy + DDRPHY_CA_DLL_ARPI5);
+	writel(0x80666008, priv->ddrphy + DDRPHY_B0_DLL_ARPI5);
+	writel(0x80666008, priv->ddrphy + DDRPHY_B1_DLL_ARPI5);
+	writel(0x0, priv->ddrphy + DDRPHY_CA_DLL_ARPI0);
+	writel(0x0, priv->ddrphy + DDRPHY_B0_DLL_ARPI0);
+	writel(0x0, priv->ddrphy + DDRPHY_B1_DLL_ARPI0);
+	writel(0x400, priv->ddrphy + DDRPHY_CA_DLL_ARPI2);
+	writel(0x20400, priv->ddrphy + DDRPHY_B0_DLL_ARPI2);
+	writel(0x20400, priv->ddrphy + DDRPHY_B1_DLL_ARPI2);
+	writel(0x0, priv->ddrphy + DDRPHY_SHU1_PLL9);
+	writel(0x0, priv->ddrphy + DDRPHY_SHU1_PLL11);
+	writel(0xf7f, priv->ddrphy + DDRPHY_SHU1_PLL0);
+	writel(0x40000, priv->ddrphy + DDRPHY_SHU1_PLL8);
+	writel(0x40000, priv->ddrphy + DDRPHY_SHU1_PLL10);
+	writel(0xe57800fe, priv->ddrphy + DDRPHY_SHU1_PLL4);
+	writel(0xe57800fe, priv->ddrphy + DDRPHY_SHU1_PLL6);
+
+	writel(0xB5000000, priv->ddrphy + DDRPHY_SHU1_PLL5);
+	writel(0xB5000000, priv->ddrphy + DDRPHY_SHU1_PLL7);
+
+	writel(0x14d0002, priv->ddrphy + DDRPHY_PLL5);
+	writel(0x14d0002, priv->ddrphy + DDRPHY_PLL7);
+	writel(0x80040000, priv->ddrphy + DDRPHY_SHU1_PLL8);
+	writel(0x80040000, priv->ddrphy + DDRPHY_SHU1_PLL10);
+	writel(0xf, priv->ddrphy + DDRPHY_SHU1_PLL1);
+	writel(0x4, priv->ddrphy + DDRPHY_CA_DLL_ARPI0);
+	writel(0x1, priv->ddrphy + DDRPHY_B0_DLL_ARPI0);
+	writel(0x1, priv->ddrphy + DDRPHY_B1_DLL_ARPI0);
+	writel(0x698600, priv->ddrphy + DDRPHY_CA_DLL_ARPI5);
+	writel(0xc0778600, priv->ddrphy + DDRPHY_B0_DLL_ARPI5);
+	writel(0xc0778600, priv->ddrphy + DDRPHY_B1_DLL_ARPI5);
+	writel(0x0, priv->ddrphy + DDRPHY_CA_DLL_ARPI4);
+	writel(0x0, priv->ddrphy + DDRPHY_B0_DLL_ARPI4);
+	writel(0x0, priv->ddrphy + DDRPHY_B1_DLL_ARPI4);
+	writel(0x2ba800, priv->ddrphy + DDRPHY_CA_DLL_ARPI1);
+	writel(0x2ae806, priv->ddrphy + DDRPHY_B0_DLL_ARPI1);
+	writel(0xae806, priv->ddrphy + DDRPHY_B1_DLL_ARPI1);
+	writel(0xba000, priv->ddrphy + DDRPHY_CA_DLL_ARPI3);
+	writel(0x2e800, priv->ddrphy + DDRPHY_B0_DLL_ARPI3);
+	writel(0x2e800, priv->ddrphy + DDRPHY_B1_DLL_ARPI3);
+	writel(0x0, priv->ddrphy + DDRPHY_SHU1_CA_CMD4);
+	writel(0x0, priv->ddrphy + DDRPHY_SHU1_B0_DQ4);
+	writel(0x0, priv->ddrphy + DDRPHY_SHU1_B1_DQ4);
+	writel(0x4, priv->ddrphy + DDRPHY_CA_DLL_ARPI0);
+	writel(0x1, priv->ddrphy + DDRPHY_B0_DLL_ARPI0);
+	writel(0x1, priv->ddrphy + DDRPHY_B1_DLL_ARPI0);
+	writel(0x32cf0000, priv->ddrphy + DDRPHY_SHU1_CA_CMD6);
+	writel(0x32cd0000, priv->ddrphy + DDRPHY_SHU1_B0_DQ6);
+	writel(0x32cd0000, priv->ddrphy + DDRPHY_SHU1_B1_DQ6);
+	writel(0x80010000, priv->ddrphy + DDRPHY_PLL1);
+	writel(0x80000000, priv->ddrphy + DDRPHY_PLL2);
+	udelay(100);
+
+	writel(0xc, priv->ddrphy + DDRPHY_CA_DLL_ARPI0);
+	writel(0x9, priv->ddrphy + DDRPHY_B0_DLL_ARPI0);
+	writel(0x9, priv->ddrphy + DDRPHY_B1_DLL_ARPI0);
+	writel(0xd0000, priv->ddrphy + DDRPHY_PLL4);
+	udelay(1);
+
+	writel(0x82, priv->ddrphy + DDRPHY_MISC_CTRL1);
+	writel(0x2, priv->dramc_ao + DRAMC_DDRCONF0);
+	writel(0x3acf0000, priv->ddrphy + DDRPHY_SHU1_CA_CMD6);
+	writel(0x3acd0000, priv->ddrphy + DDRPHY_SHU1_B0_DQ6);
+	writel(0x3acd0000, priv->ddrphy + DDRPHY_SHU1_B1_DQ6);
+	udelay(1);
+
+	writel(0x0, priv->ddrphy + DDRPHY_CA_DLL_ARPI2);
+	writel(0x0, priv->ddrphy + DDRPHY_B0_DLL_ARPI2);
+	writel(0x0, priv->ddrphy + DDRPHY_B1_DLL_ARPI2);
+	writel(0x80, priv->ddrphy + DDRPHY_MISC_CTRL1);
+	writel(0x0, priv->dramc_ao + DRAMC_DDRCONF0);
+	writel(0x80000000, priv->ddrphy + DDRPHY_PLL1);
+	udelay(1);
+
+	writel(0x698e00, priv->ddrphy + DDRPHY_CA_DLL_ARPI5);
+	udelay(1);
+
+	writel(0xc0778e00, priv->ddrphy + DDRPHY_B0_DLL_ARPI5);
+	udelay(1);
+
+	writel(0xc0778e00, priv->ddrphy + DDRPHY_B1_DLL_ARPI5);
+	udelay(1);
+
+	ret = clk_set_parent(&priv->mem, &priv->mem_mux);
+	if (ret)
+		return ret;
+
+	/* DDR PHY PLL setting */
+	writel(0x51e, priv->ddrphy + DDRPHY_B0_DQ3);
+	writel(0x51e, priv->ddrphy + DDRPHY_B1_DQ3);
+	writel(0x8100008c, priv->ddrphy + DDRPHY_MISC_CTRL1);
+	writel(0x80101, priv->ddrphy + DDRPHY_CA_CMD8);
+	writel(0x100, priv->ddrphy + DDRPHY_CA_CMD7);
+	writel(0x0, priv->ddrphy + DDRPHY_CA_CMD7);
+	writel(0x0, priv->ddrphy + DDRPHY_B0_DQ7);
+	writel(0x0, priv->ddrphy + DDRPHY_B1_DQ7);
+	writel(0x51e, priv->ddrphy + DDRPHY_B0_DQ3);
+	writel(0xff051e, priv->ddrphy + DDRPHY_B1_DQ3);
+	writel(0x0, priv->ddrphy + DDRPHY_B0_DQ2);
+	writel(0x1ff, priv->ddrphy + DDRPHY_B1_DQ2);
+
+	/* Update initial setting */
+	writel(0x5fc, priv->ddrphy + DDRPHY_B0_DQ3);
+	writel(0xff05fc, priv->ddrphy + DDRPHY_B1_DQ3);
+	writel(0x10c12d9, priv->ddrphy + DDRPHY_B0_DQ6);
+	writel(0x10c12d9, priv->ddrphy + DDRPHY_B1_DQ6);
+	writel(0xc0259, priv->ddrphy + DDRPHY_CA_CMD6);
+	writel(0x4000, priv->ddrphy + DDRPHY_B0_DQ2);
+	writel(0x41ff, priv->ddrphy + DDRPHY_B1_DQ2);
+	writel(0x0, priv->ddrphy + DDRPHY_B0_DQ8);
+	writel(0x100, priv->ddrphy + DDRPHY_B1_DQ8);
+	writel(0x3110e0e, priv->ddrphy + DDRPHY_B0_DQ5);
+	writel(0x3110e0e, priv->ddrphy + DDRPHY_B1_DQ5);
+	writel(0x51060e, priv->ddrphy + DDRPHY_SHU1_B0_DQ5);
+	writel(0x51060e, priv->ddrphy + DDRPHY_SHU1_B1_DQ5);
+	writel(0x39eff6, priv->dramc_ao + DRAMC_SHU_SCINTV);
+	writel(0x204ffff, priv->dramc_ao + DRAMC_CLKAR);
+	writel(0x31b1f1cf, priv->dramc_ao + DRAMC_SPCMDCTRL);
+	writel(0x0, priv->dramc_ao + DRAMC_PERFCTL0);
+	writel(0x80000, priv->dramc_ao + DRAMC_PERFCTL0);
+
+	/* Dramc setting PC3 */
+	writel(0x65714001, priv->dramc_ao + DRAMC_REFCTRL0);
+
+	writel(0x11351131, priv->ddrphy + DDRPHY_MISC_CTRL3);
+	writel(0x200600, priv->dramc_ao + DRAMC_SHU_DQSG_RETRY);
+	writel(0x101d007, priv->dramc_ao + DRAMC_SHUCTRL2);
+	writel(0xe090601, priv->dramc_ao + DRAMC_DVFSDLL);
+	writel(0x20003000, priv->dramc_ao + DRAMC_DDRCONF0);
+	writel(0x3900020f, priv->ddrphy + DDRPHY_MISC_CTRL0);
+	writel(0xa20810bf, priv->dramc_ao + DRAMC_SHU_CONF0);
+	writel(0x30050, priv->dramc_ao + DRAMC_SHU_ODTCTRL);
+	writel(0x25712000, priv->dramc_ao + DRAMC_REFCTRL0);
+	writel(0xb0100000, priv->dramc_ao + DRAMC_STBCAL);
+	writel(0x8000000, priv->dramc_ao + DRAMC_SREFCTRL);
+	writel(0xc0000000, priv->dramc_ao + DRAMC_SHU_PIPE);
+	writel(0x731004, priv->dramc_ao + DRAMC_RKCFG);
+	writel(0x8007320f, priv->dramc_ao + DRAMC_SHU_CONF2);
+	writel(0x2a7c0, priv->dramc_ao + DRAMC_SHU_SCINTV);
+	writel(0xc110, priv->dramc_ao + DRAMC_SHUCTRL);
+	writel(0x30000700, priv->dramc_ao + DRAMC_REFCTRL1);
+	writel(0x6543b321, priv->dramc_ao + DRAMC_REFRATRE_FILTER);
+
+	/* Update PCDDR3 default setting */
+	writel(0x0, priv->dramc_ao + DRAMC_SHU_SELPH_CA1);
+	writel(0x0, priv->dramc_ao + DRAMC_SHU_SELPH_CA2);
+	writel(0x0, priv->dramc_ao + DRAMC_SHU_SELPH_CA3);
+	writel(0x0, priv->dramc_ao + DRAMC_SHU_SELPH_CA4);
+	writel(0x10000111, priv->dramc_ao + DRAMC_SHU_SELPH_CA5);
+	writel(0x1000000, priv->dramc_ao + DRAMC_SHU_SELPH_CA6);
+	writel(0x0, priv->dramc_ao + DRAMC_SHU_SELPH_CA7);
+	writel(0x0, priv->dramc_ao + DRAMC_SHU_SELPH_CA8);
+	writel(0x0, priv->ddrphy + DDRPHY_SHU1_R0_CA_CMD9);
+	writel(0x0, priv->ddrphy + DDRPHY_SHU1_R1_CA_CMD9);
+	writel(0x11112222, priv->dramc_ao + DRAMC_SHU_SELPH_DQS0);
+	writel(0x33331111, priv->dramc_ao + DRAMC_SHU_SELPH_DQS1);
+	writel(0x11112222, priv->dramc_ao + DRAMC_SHURK0_SELPH_DQ0);
+	writel(0x11112222, priv->dramc_ao + DRAMC_SHURK0_SELPH_DQ1);
+	writel(0x33331111, priv->dramc_ao + DRAMC_SHURK0_SELPH_DQ2);
+	writel(0x33331111, priv->dramc_ao + DRAMC_SHURK0_SELPH_DQ3);
+	writel(0x11112222, priv->dramc_ao + DRAMC_SHURK1_SELPH_DQ0);
+	writel(0x11112222, priv->dramc_ao + DRAMC_SHURK1_SELPH_DQ1);
+	writel(0x33331111, priv->dramc_ao + DRAMC_SHURK1_SELPH_DQ2);
+	writel(0x33331111, priv->dramc_ao + DRAMC_SHURK1_SELPH_DQ3);
+	writel(0xf0f00, priv->ddrphy + DDRPHY_SHU1_R0_B0_DQ7);
+	writel(0xf0f00, priv->ddrphy + DDRPHY_SHU1_R1_B0_DQ7);
+	writel(0xf0f00, priv->ddrphy + DDRPHY_SHU1_R0_B1_DQ7);
+	writel(0xf0f00, priv->ddrphy + DDRPHY_SHU1_R1_B1_DQ7);
+	writel(0x0, priv->dramc_ao + DRAMC_SHURK0_SELPH_ODTEN0);
+	writel(0x0, priv->dramc_ao + DRAMC_SHURK0_SELPH_ODTEN1);
+	writel(0x0, priv->dramc_ao + DRAMC_SHURK1_SELPH_ODTEN0);
+	writel(0x0, priv->dramc_ao + DRAMC_SHURK1_SELPH_ODTEN1);
+	writel(0x0, priv->dramc_ao + DRAMC_SHURK2_SELPH_ODTEN0);
+	writel(0x66666666, priv->dramc_ao + DRAMC_SHURK2_SELPH_ODTEN1);
+	writel(0x2c000b0f, priv->dramc_ao + DRAMC_SHU_CONF1);
+	writel(0x11111111, priv->dramc_ao + DRAMC_SHURK0_SELPH_DQSG0);
+	writel(0x64646464, priv->dramc_ao + DRAMC_SHURK0_SELPH_DQSG1);
+	writel(0x11111111, priv->dramc_ao + DRAMC_SHURK1_SELPH_DQSG0);
+	writel(0x64646464, priv->dramc_ao + DRAMC_SHURK1_SELPH_DQSG1);
+	writel(0xc0c0c0c, priv->ddrphy + DDRPHY_SHU1_R0_B0_DQ2);
+	writel(0xc0c0c0c, priv->ddrphy + DDRPHY_SHU1_R0_B0_DQ3);
+	writel(0xc0c0c0c, priv->ddrphy + DDRPHY_SHU1_R0_B0_DQ4);
+	writel(0xc0c0c0c, priv->ddrphy + DDRPHY_SHU1_R0_B0_DQ5);
+	writel(0x0, priv->ddrphy + DDRPHY_SHU1_R0_B0_DQ6);
+	writel(0xc0c0c0c, priv->ddrphy + DDRPHY_SHU1_R1_B0_DQ2);
+	writel(0xc0c0c0c, priv->ddrphy + DDRPHY_SHU1_R1_B0_DQ3);
+	writel(0xc0c0c0c, priv->ddrphy + DDRPHY_SHU1_R1_B0_DQ4);
+	writel(0xc0c0c0c, priv->ddrphy + DDRPHY_SHU1_R1_B0_DQ5);
+	writel(0x0, priv->ddrphy + DDRPHY_SHU1_R1_B0_DQ6);
+	writel(0xc0c0c0c, priv->ddrphy + DDRPHY_SHU1_R0_B1_DQ2);
+	writel(0xc0c0c0c, priv->ddrphy + DDRPHY_SHU1_R0_B1_DQ3);
+	writel(0xc0c0c0c, priv->ddrphy + DDRPHY_SHU1_R0_B1_DQ4);
+	writel(0xc0c0c0c, priv->ddrphy + DDRPHY_SHU1_R0_B1_DQ5);
+	writel(0x0, priv->ddrphy + DDRPHY_SHU1_R0_B1_DQ6);
+	writel(0xc0c0c0c, priv->ddrphy + DDRPHY_SHU1_R1_B1_DQ2);
+	writel(0xc0c0c0c, priv->ddrphy + DDRPHY_SHU1_R1_B1_DQ3);
+	writel(0xc0c0c0c, priv->ddrphy + DDRPHY_SHU1_R1_B1_DQ4);
+	writel(0xc0c0c0c, priv->ddrphy + DDRPHY_SHU1_R1_B1_DQ5);
+	writel(0x0, priv->ddrphy + DDRPHY_SHU1_R1_B1_DQ6);
+	writel(0x20000001, priv->dramc_ao + DRAMC_SHU_RANKCTL);
+	writel(0x2, priv->dramc_ao + DRAMC_SHURK0_DQSCTL);
+	writel(0x2, priv->dramc_ao + DRAMC_SHURK1_DQSCTL);
+	writel(0x4020b07, priv->dramc_ao + DRAMC_SHU_ACTIM0);
+	writel(0xb060400, priv->dramc_ao + DRAMC_SHU_ACTIM1);
+	writel(0x8090200, priv->dramc_ao + DRAMC_SHU_ACTIM2);
+	writel(0x810018, priv->dramc_ao + DRAMC_SHU_ACTIM3);
+	writel(0x1e9700ff, priv->dramc_ao + DRAMC_SHU_ACTIM4);
+	writel(0x1000908, priv->dramc_ao + DRAMC_SHU_ACTIM5);
+	writel(0x801040b, priv->dramc_ao + DRAMC_SHU_ACTIM_XRT);
+	writel(0x20000D1, priv->dramc_ao + DRAMC_SHU_AC_TIME_05T);
+	writel(0x80010000, priv->ddrphy + DDRPHY_PLL2);
+	udelay(500);
+
+	writel(0x81080000, priv->dramc_ao + DRAMC_MISCTL0);
+	writel(0xacf13, priv->dramc_ao + DRAMC_PERFCTL0);
+	writel(0xacf12, priv->dramc_ao + DRAMC_PERFCTL0);
+	writel(0x80, priv->dramc_ao + DRAMC_ARBCTL);
+	writel(0x9, priv->dramc_ao + DRAMC_PADCTRL);
+	writel(0x80000107, priv->dramc_ao + DRAMC_DRAMC_PD_CTRL);
+	writel(0x3000000c, priv->dramc_ao + DRAMC_CLKCTRL);
+	writel(0x25714001, priv->dramc_ao + DRAMC_REFCTRL0);
+	writel(0x35b1f1cf, priv->dramc_ao + DRAMC_SPCMDCTRL);
+	writel(0x4300000, priv->dramc_ao + DRAMC_CATRAINING1);
+	writel(0xb0300000, priv->dramc_ao + DRAMC_STBCAL);
+	writel(0x731414, priv->dramc_ao + DRAMC_RKCFG);
+	writel(0x733414, priv->dramc_ao + DRAMC_RKCFG);
+	udelay(20);
+
+	writel(0x80002050, priv->dramc_ao + DRAMC_CKECTRL);
+	udelay(100);
+
+	writel(0x400000, priv->dramc_ao + DRAMC_MRS);
+	writel(0x401800, priv->dramc_ao + DRAMC_MRS);
+	writel(0x1, priv->dramc_ao + DRAMC_SPCMD);
+	writel(0x0, priv->dramc_ao + DRAMC_SPCMD);
+	udelay(100);
+
+	writel(0x601800, priv->dramc_ao + DRAMC_MRS);
+	writel(0x600000, priv->dramc_ao + DRAMC_MRS);
+	writel(0x1, priv->dramc_ao + DRAMC_SPCMD);
+	writel(0x0, priv->dramc_ao + DRAMC_SPCMD);
+	udelay(100);
+
+	writel(0x200000, priv->dramc_ao + DRAMC_MRS);
+	writel(0x200400, priv->dramc_ao + DRAMC_MRS);
+	writel(0x1, priv->dramc_ao + DRAMC_SPCMD);
+	writel(0x0, priv->dramc_ao + DRAMC_SPCMD);
+	udelay(100);
+
+	writel(0x400, priv->dramc_ao + DRAMC_MRS);
+	writel(0x1d7000, priv->dramc_ao + DRAMC_MRS);
+	writel(0x1, priv->dramc_ao + DRAMC_SPCMD);
+	writel(0x0, priv->dramc_ao + DRAMC_SPCMD);
+	udelay(100);
+
+	writel(0x702201, priv->dramc_ao + DRAMC_DRAMCTRL);
+	writel(0x10, priv->dramc_ao + DRAMC_SPCMD);
+	writel(0x0, priv->dramc_ao + DRAMC_SPCMD);
+	writel(0x20, priv->dramc_ao + DRAMC_SPCMD);
+	writel(0x0, priv->dramc_ao + DRAMC_SPCMD);
+	writel(0x1, priv->dramc_ao + DRAMC_HW_MRR_FUN);
+	writel(0x702301, priv->dramc_ao + DRAMC_DRAMCTRL);
+	writel(0x702301, priv->dramc_ao + DRAMC_DRAMCTRL);
+	writel(0xa56, priv->dramc_ao + DRAMC_ZQCS);
+	writel(0xff0000, priv->dramc_ao + DRAMC_SHU_CONF3);
+	writel(0x15b1f1cf, priv->dramc_ao + DRAMC_SPCMDCTRL);
+	writel(0x2cb00b0f, priv->dramc_ao + DRAMC_SHU_CONF1);
+	writel(0x65714001, priv->dramc_ao + DRAMC_REFCTRL0);
+	writel(0x48000000, priv->dramc_ao + DRAMC_SREFCTRL);
+	writel(0xc0000107, priv->dramc_ao + DRAMC_DRAMC_PD_CTRL);
+	writel(0x10002, priv->dramc_ao + DRAMC_EYESCAN);
+	writel(0x15e00, priv->dramc_ao + DRAMC_STBCAL1);
+	writel(0x100000, priv->dramc_ao + DRAMC_TEST2_1);
+	writel(0x4000, priv->dramc_ao + DRAMC_TEST2_2);
+	writel(0x12000480, priv->dramc_ao + DRAMC_TEST2_3);
+	writel(0x301d007, priv->dramc_ao + DRAMC_SHUCTRL2);
+	writel(0x4782321, priv->dramc_ao + DRAMC_DRAMCTRL);
+	writel(0x30210000, priv->dramc_ao + DRAMC_SHU_CKECTRL);
+	writel(0x20000, priv->dramc_ao + DRAMC_DUMMY_RD);
+	writel(0x4080110d, priv->dramc_ao + DRAMC_TEST2_4);
+	writel(0x30000721, priv->dramc_ao + DRAMC_REFCTRL1);
+	writel(0x0, priv->dramc_ao + DRAMC_RSTMASK);
+	writel(0x4782320, priv->dramc_ao + DRAMC_DRAMCTRL);
+	writel(0x80002000, priv->dramc_ao + DRAMC_CKECTRL);
+	writel(0x45714001, priv->dramc_ao + DRAMC_REFCTRL0);
+
+	/* Apply config before calibration */
+	writel(0x120, priv->dramc_ao + DRAMC_DRAMC_PD_CTRL);
+	writel(0x11351131, priv->ddrphy + DDRPHY_MISC_CTRL3);
+	writel(0xffffffff, priv->ddrphy + DDRPHY_MISC_CG_CTRL0);
+	writel(0x2a7fe, priv->dramc_ao + DRAMC_SHU_SCINTV);
+	writel(0xff01ff, priv->dramc_ao + DRAMC_SHU_CONF3);
+	writel(0x4782320, priv->dramc_ao + DRAMC_DRAMCTRL);
+	writel(0xa56, priv->dramc_ao + DRAMC_ZQCS);
+	writel(0x80000000, priv->dramc_ao + DRAMC_SHU1_WODT);
+	writel(0x21, priv->ddrphy + DDRPHY_SHU1_B0_DQ7);
+	writel(0x1, priv->ddrphy + DDRPHY_SHU1_B1_DQ7);
+	writel(0x35b1f1cf, priv->dramc_ao + DRAMC_SPCMDCTRL);
+	writel(0x35b1f1cf, priv->dramc_ao + DRAMC_SPCMDCTRL);
+	writel(0x35b1f1cf, priv->dramc_ao + DRAMC_SPCMDCTRL);
+	writel(0xb0300000, priv->dramc_ao + DRAMC_STBCAL);
+	writel(0xb0300000, priv->dramc_ao + DRAMC_STBCAL);
+	writel(0x10002, priv->dramc_ao + DRAMC_EYESCAN);
+	writel(0x8100008c, priv->ddrphy + DDRPHY_MISC_CTRL1);
+	writel(0x45714001, priv->dramc_ao + DRAMC_REFCTRL0);
+	writel(0xb0300000, priv->dramc_ao + DRAMC_STBCAL);
+	writel(0xb0300000, priv->dramc_ao + DRAMC_STBCAL);
+
+	/* Write leveling */
+	writel(0x1f2e2e00, priv->ddrphy + DDRPHY_SHU1_R0_B0_DQ7);
+	writel(0x202f2f00, priv->ddrphy + DDRPHY_SHU1_R0_B1_DQ7);
+	writel(0x33221100, priv->dramc_ao + DRAMC_SHU_SELPH_DQS1);
+	writel(0x11112222, priv->dramc_ao + DRAMC_SHU_SELPH_DQS0);
+
+	/* RX dqs gating cal */
+	writel(0x11111010, priv->dramc_ao + DRAMC_SHURK0_SELPH_DQSG0);
+	writel(0x20201717, priv->dramc_ao + DRAMC_SHURK0_SELPH_DQSG1);
+	writel(0x1d1f, priv->dramc_ao + DRAMC_SHURK0_DQSIEN);
+
+	/* RX window per-bit cal */
+	writel(0x03030404, priv->ddrphy + DDRPHY_SHU1_R0_B0_DQ2);
+	writel(0x01010303, priv->ddrphy + DDRPHY_SHU1_R0_B0_DQ3);
+	writel(0x01010303, priv->ddrphy + DDRPHY_SHU1_R0_B0_DQ4);
+	writel(0x01010000, priv->ddrphy + DDRPHY_SHU1_R0_B0_DQ5);
+	writel(0x03030606, priv->ddrphy + DDRPHY_SHU1_R0_B1_DQ2);
+	writel(0x02020202, priv->ddrphy + DDRPHY_SHU1_R0_B1_DQ3);
+	writel(0x04040303, priv->ddrphy + DDRPHY_SHU1_R0_B1_DQ4);
+	writel(0x06060101, priv->ddrphy + DDRPHY_SHU1_R0_B1_DQ5);
+
+	/* RX datlat cal */
+	writel(0x28b00a0e, priv->dramc_ao + DRAMC_SHU_CONF1);
+
+	/* TX window per-byte with 2UI cal */
+	writel(0x11112222, priv->dramc_ao + DRAMC_SHURK0_SELPH_DQ0);
+	writel(0x22220000, priv->dramc_ao + DRAMC_SHURK0_SELPH_DQ2);
+	writel(0x11112222, priv->dramc_ao + DRAMC_SHURK0_SELPH_DQ1);
+	writel(0x22220000, priv->dramc_ao + DRAMC_SHURK0_SELPH_DQ3);
+	writel(0x1f2e2e00, priv->ddrphy + DDRPHY_SHU1_R0_B0_DQ7);
+	writel(0x202f2f00, priv->ddrphy + DDRPHY_SHU1_R0_B1_DQ7);
+
+	return mtk_ddr3_rank_size_detect(dev);
+}
+#endif
+
+static int mtk_ddr3_probe(struct udevice *dev)
+{
+	struct mtk_ddr3_priv *priv = dev_get_priv(dev);
+
+	priv->emi = dev_read_addr_index(dev, 0);
+	if (priv->emi == FDT_ADDR_T_NONE)
+		return -EINVAL;
+
+	priv->ddrphy = dev_read_addr_index(dev, 1);
+	if (priv->ddrphy == FDT_ADDR_T_NONE)
+		return -EINVAL;
+
+	priv->dramc_ao = dev_read_addr_index(dev, 2);
+	if (priv->dramc_ao == FDT_ADDR_T_NONE)
+		return -EINVAL;
+
+#ifdef CONFIG_SPL_BUILD
+	int ret;
+
+	ret = clk_get_by_index(dev, 0, &priv->phy);
+	if (ret)
+		return ret;
+
+	ret = clk_get_by_index(dev, 1, &priv->phy_mux);
+	if (ret)
+		return ret;
+
+	ret = clk_get_by_index(dev, 2, &priv->mem);
+	if (ret)
+		return ret;
+
+	ret = clk_get_by_index(dev, 3, &priv->mem_mux);
+	if (ret)
+		return ret;
+
+	ret = mtk_ddr3_init(dev);
+	if (ret)
+		return ret;
+#endif
+	return 0;
+}
+
+static int mtk_ddr3_get_info(struct udevice *dev, struct ram_info *info)
+{
+	struct mtk_ddr3_priv *priv = dev_get_priv(dev);
+	u32 val = readl(priv->emi + EMI_CONA);
+
+	info->base = CONFIG_SYS_SDRAM_BASE;
+
+	switch ((val & EMI_COL_ADDR_MASK) >> EMI_COL_ADDR_SHIFT) {
+	case 0:
+		info->size = SZ_128M;
+		break;
+	case 1:
+		info->size = SZ_256M;
+		break;
+	case 2:
+		info->size = SZ_512M;
+		break;
+	case 3:
+		info->size = SZ_1G;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static struct ram_ops mtk_ddr3_ops = {
+	.get_info = mtk_ddr3_get_info,
+};
+
+static const struct udevice_id mtk_ddr3_ids[] = {
+	{ .compatible = "mediatek,mt7629-dramc" },
+	{ }
+};
+
+U_BOOT_DRIVER(mediatek_ddr3) = {
+	.name     = "mediatek_ddr3",
+	.id       = UCLASS_RAM,
+	.of_match = mtk_ddr3_ids,
+	.ops      = &mtk_ddr3_ops,
+	.probe    = mtk_ddr3_probe,
+	.priv_auto_alloc_size = sizeof(struct mtk_ddr3_priv),
+};
