diff --git a/plat/hisilicon/hikey/hikey_ddr.c b/plat/hisilicon/hikey/hikey_ddr.c
new file mode 100644
index 0000000..6328eb6
--- /dev/null
+++ b/plat/hisilicon/hikey/hikey_ddr.c
@@ -0,0 +1,967 @@
+/*
+ * Copyright (c) 2017, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <arch_helpers.h>
+#include <debug.h>
+#include <errno.h>
+#include <hi6220.h>
+#include <hi6553.h>
+#include <mmio.h>
+#include <sp804_delay_timer.h>
+
+enum {
+	DDR_FREQ_533M = 0,
+	DDR_FREQ_800M,
+};
+
+static void init_pll(void)
+{
+	unsigned int data;
+
+	data = mmio_read_32((0xf7032000 + 0x000));
+	data |= 0x1;
+	mmio_write_32((0xf7032000 + 0x000), data);
+	dsb();
+	do {
+		data = mmio_read_32((0xf7032000 + 0x000));
+	} while (!(data & (1 << 28)));
+
+	data = mmio_read_32((0xf7800000 + 0x000));
+	data &= ~0x007;
+	data |= 0x004;
+	mmio_write_32((0xf7800000 + 0x000), data);
+	dsb();
+	do {
+		data = mmio_read_32((0xf7800000 + 0x014));
+		data &= 0x007;
+	} while (data != 0x004);
+
+	mmio_write_32(PERI_SC_PERIPH_CTRL14, 0x2101);
+	data = mmio_read_32(PERI_SC_PERIPH_STAT1);
+	mmio_write_32(0xf7032000 + 0x02c, 0x5110103e);
+	data = mmio_read_32(0xf7032000 + 0x050);
+	data |= 1 << 28;
+	mmio_write_32(0xf7032000 + 0x050, data);
+	mmio_write_32(PERI_SC_PERIPH_CTRL14, 0x2101);
+	mdelay(1);
+	data = mmio_read_32(PERI_SC_PERIPH_STAT1);
+	NOTICE("syspll frequency:%dHz\n", data);
+}
+
+static void init_freq(void)
+{
+	unsigned int data, tmp;
+	unsigned int cpuext_cfg, ddr_cfg;
+
+	mmio_write_32((0xf7032000 + 0x374), 0x4a);
+	mmio_write_32((0xf7032000 + 0x368), 0xda);
+	mmio_write_32((0xf7032000 + 0x36c), 0x01);
+	mmio_write_32((0xf7032000 + 0x370), 0x01);
+	mmio_write_32((0xf7032000 + 0x360), 0x60);
+	mmio_write_32((0xf7032000 + 0x364), 0x60);
+
+	mmio_write_32((0xf7032000 + 0x114), 0x1000);
+
+	data = mmio_read_32((0xf7032000 + 0x110));
+	data |= (3 << 12);
+	mmio_write_32((0xf7032000 + 0x110), data);
+
+	data = mmio_read_32((0xf7032000 + 0x110));
+	data |= (1 << 4);
+	mmio_write_32((0xf7032000 + 0x110), data);
+
+
+	data = mmio_read_32((0xf7032000 + 0x110));
+	data &= ~0x7;
+	data |= 0x5;
+	mmio_write_32((0xf7032000 + 0x110), data);
+	dsb();
+	mdelay(10);
+
+
+	do {
+		data = mmio_read_32((0xf6504000 + 0x008));
+		data &= (3 << 20);
+	} while (data != (3 << 20));
+	dsb();
+	mdelay(10);
+
+
+	data = mmio_read_32((0xf6504000 + 0x054));
+	data &= ~((1 << 0) | (1 << 11));
+	mmio_write_32((0xf6504000 + 0x054), data);
+	mdelay(10);
+
+	data = mmio_read_32((0xf7032000 + 0x104));
+	data &= ~(3 << 8);
+	data |= (1 << 8);
+	mmio_write_32((0xf7032000 + 0x104), data);
+
+	data = mmio_read_32((0xf7032000 + 0x100));
+	data |= (1 << 0);
+	mmio_write_32((0xf7032000 + 0x100), data);
+	dsb();
+
+	do {
+		data = mmio_read_32((0xf7032000 + 0x100));
+		data &= (1 << 2);
+	} while (data != (1 << 2));
+
+	data = mmio_read_32((0xf6504000 + 0x06c));
+	data &= ~0xffff;
+	data |= 0x56;
+	mmio_write_32((0xf6504000 + 0x06c), data);
+
+	data = mmio_read_32((0xf6504000 + 0x06c));
+	data &= ~(0xffffff << 8);
+	data |= 0xc7a << 8;
+	mmio_write_32((0xf6504000 + 0x06c), data);
+
+	data = mmio_read_32((0xf6504000 + 0x058));
+	data &= ((1 << 13) - 1);
+	data |= 0xccb;
+	mmio_write_32((0xf6504000 + 0x058), data);
+
+	mmio_write_32((0xf6504000 + 0x060), 0x1fff);
+	mmio_write_32((0xf6504000 + 0x064), 0x1ffffff);
+	mmio_write_32((0xf6504000 + 0x068), 0x7fffffff);
+	mmio_write_32((0xf6504000 + 0x05c), 0x1);
+
+	data = mmio_read_32((0xf6504000 + 0x054));
+	data &= ~(0xf << 12);
+	data |= 1 << 12;
+	mmio_write_32((0xf6504000 + 0x054), data);
+	dsb();
+
+
+	data = mmio_read_32((0xf7032000 + 0x000));
+	data &= ~(1 << 0);
+	mmio_write_32((0xf7032000 + 0x000), data);
+
+	mmio_write_32((0xf7032000 + 0x004), 0x5110207d);
+	mmio_write_32((0xf7032000 + 0x134), 0x10000005);
+	data = mmio_read_32((0xf7032000 + 0x134));
+
+
+	data = mmio_read_32((0xf7032000 + 0x000));
+	data |= (1 << 0);
+	mmio_write_32((0xf7032000 + 0x000), data);
+
+	mmio_write_32((0xf7032000 + 0x368), 0x100da);
+	data = mmio_read_32((0xf7032000 + 0x378));
+	data &= ~((1 << 7) - 1);
+	data |= 0x6b;
+	mmio_write_32((0xf7032000 + 0x378), data);
+	dsb();
+	do {
+		data = mmio_read_32((0xf7032000 + 0x378));
+		tmp = data & 0x7f;
+		data = (data & (0x7f << 8)) >> 8;
+		if (data != tmp)
+			continue;
+		data = mmio_read_32((0xf7032000 + 0x37c));
+	} while (!(data & 1));
+
+	data = mmio_read_32((0xf7032000 + 0x104));
+	data &= ~((3 << 0) |
+			(3 << 8));
+	cpuext_cfg = 1;
+	ddr_cfg = 1;
+	data |= cpuext_cfg | (ddr_cfg << 8);
+	mmio_write_32((0xf7032000 + 0x104), data);
+	dsb();
+
+	do {
+		data = mmio_read_32((0xf7032000 + 0x104));
+		tmp = (data & (3 << 16)) >> 16;
+		if (cpuext_cfg != tmp)
+			continue;
+		tmp = (data & (3 << 24)) >> 24;
+		if (ddr_cfg != tmp)
+			continue;
+		data = mmio_read_32((0xf7032000 + 0x000));
+		data &= 1 << 28;
+	} while (!data);
+
+	data = mmio_read_32((0xf7032000 + 0x100));
+	data &= ~(1 << 0);
+	mmio_write_32((0xf7032000 + 0x100), data);
+	dsb();
+	do {
+		data = mmio_read_32((0xf7032000 + 0x100));
+		data &= (1 << 1);
+	} while (data != (1 << 1));
+	mdelay(1000);
+
+	data = mmio_read_32((0xf6504000 + 0x054));
+	data &= ~(1 << 28);
+	mmio_write_32((0xf6504000 + 0x054), data);
+	dsb();
+
+	data = mmio_read_32((0xf7032000 + 0x110));
+	data &= ~((1 << 4) |
+			(3 << 12));
+	mmio_write_32((0xf7032000 + 0x110), data);
+}
+
+int cat_533mhz_800mhz(void)
+{
+	unsigned int data, i;
+	unsigned int bdl[5];
+
+
+	data = mmio_read_32((0xf712c000 + 0x1c8));
+	data &= 0xfffff0f0;
+	data |= 0x100f0f;
+	mmio_write_32((0xf712c000 + 0x1c8), data);
+
+	for (i = 0; i < 0x20; i++) {
+		mmio_write_32((0xf712c000 + 0x1d4), 0xc0000);
+		data = (i << 0x10) + i;
+		mmio_write_32((0xf712c000 + 0x140), data);
+		mmio_write_32((0xf712c000 + 0x144), data);
+		mmio_write_32((0xf712c000 + 0x148), data);
+		mmio_write_32((0xf712c000 + 0x14c), data);
+		mmio_write_32((0xf712c000 + 0x150), data);
+
+
+		data = mmio_read_32((0xf712c000 + 0x070));
+		data |= 0x80000;
+		mmio_write_32((0xf712c000 + 0x070), data);
+		data = mmio_read_32((0xf712c000 + 0x070));
+		data &= 0xfff7ffff;
+		mmio_write_32((0xf712c000 + 0x070), data);
+
+
+		mmio_write_32((0xf712c000 + 0x004), 0x8000);
+		mmio_write_32((0xf712c000 + 0x004), 0x0);
+		mmio_write_32((0xf712c000 + 0x004), 0x801);
+		do {
+			data = mmio_read_32((0xf712c000 + 0x004));
+		} while (data & 1);
+
+		data = mmio_read_32((0xf712c000 + 0x008));
+		if (!(data & 0x400)) {
+			mdelay(10);
+			return 0;
+		}
+		WARN("lpddr3 cat fail\n");
+		data = mmio_read_32((0xf712c000 + 0x1d4));
+		if ((data & 0x1f00) && ((data & 0x1f) == 0)) {
+			bdl[0] = mmio_read_32((0xf712c000 + 0x140));
+			bdl[1] = mmio_read_32((0xf712c000 + 0x144));
+			bdl[2] = mmio_read_32((0xf712c000 + 0x148));
+			bdl[3] = mmio_read_32((0xf712c000 + 0x14c));
+			bdl[4] = mmio_read_32((0xf712c000 + 0x150));
+			if ((!(bdl[0] & 0x1f001f)) || (!(bdl[1] & 0x1f001f)) ||
+					(!(bdl[2] & 0x1f001f)) || (!(bdl[3] & 0x1f001f)) ||
+					(!(bdl[4] & 0x1f001f))) {
+				WARN("lpddr3 cat deskew error\n");
+				if (i == 0x1f) {
+					WARN("addrnbdl is max\n");
+					return -EINVAL;
+				}
+				mmio_write_32((0xf712c000 + 0x008), 0x400);
+			} else {
+				WARN("lpddr3 cat other error1\n");
+				return -EINVAL;
+			}
+		} else {
+			WARN("lpddr3 cat other error2\n");
+			return -EINVAL;
+		}
+	}
+	return -EINVAL;
+}
+
+static void ddrx_rdet(void)
+{
+	unsigned int data, rdet, bdl[4];
+
+	data = mmio_read_32((0xf712c000 + 0x0d0));
+	data &= 0xf800ffff;
+	data |= 0x8f0000;
+	mmio_write_32((0xf712c000 + 0x0d0), data);
+
+	data = mmio_read_32((0xf712c000 + 0x0dc));
+	data &= 0xfffffff0;
+	data |= 0xf;
+	mmio_write_32((0xf712c000 + 0x0dc), data);
+
+
+	data = mmio_read_32((0xf712c000 + 0x070));
+	data |= 0x80000;
+	mmio_write_32((0xf712c000 + 0x070), data);
+	data = mmio_read_32((0xf712c000 + 0x070));
+	data &= 0xfff7ffff;
+	mmio_write_32((0xf712c000 + 0x070), data);
+
+	mmio_write_32((0xf712c000 + 0x004), 0x8000);
+	mmio_write_32((0xf712c000 + 0x004), 0);
+
+	data = mmio_read_32((0xf712c000 + 0x0d0));
+	data &= ~0xf0000000;
+	data |= 0x80000000;
+	mmio_write_32((0xf712c000 + 0x0d0), data);
+
+	mmio_write_32((0xf712c000 + 0x004), 0x101);
+	do {
+		data = mmio_read_32((0xf712c000 + 0x004));
+	} while (!(data & 1));
+	data = mmio_read_32((0xf712c000 + 0x008));
+	if (data & 0x100)
+		WARN("rdet lbs fail\n");
+
+	bdl[0] = mmio_read_32((0xf712c000 + 0x22c)) & 0x7f;
+	bdl[1] = mmio_read_32((0xf712c000 + 0x2ac)) & 0x7f;
+	bdl[2] = mmio_read_32((0xf712c000 + 0x32c)) & 0x7f;
+	bdl[3] = mmio_read_32((0xf712c000 + 0x3ac)) & 0x7f;
+	do {
+		data = mmio_read_32((0xf712c000 + 0x22c));
+		data &= ~0x7f;
+		data |= bdl[0];
+		mmio_write_32((0xf712c000 + 0x22c), data);
+		data = mmio_read_32((0xf712c000 + 0x2ac));
+		data &= ~0x7f;
+		data |= bdl[1];
+		mmio_write_32((0xf712c000 + 0x2ac), data);
+		data = mmio_read_32((0xf712c000 + 0x32c));
+		data &= ~0x7f;
+		data |= bdl[2];
+		mmio_write_32((0xf712c000 + 0x32c), data);
+		data = mmio_read_32((0xf712c000 + 0x3ac));
+		data &= ~0x7f;
+		data |= bdl[3];
+		mmio_write_32((0xf712c000 + 0x3ac), data);
+
+
+		data = mmio_read_32((0xf712c000 + 0x070));
+		data |= 0x80000;
+		mmio_write_32((0xf712c000 + 0x070), data);
+		data = mmio_read_32((0xf712c000 + 0x070));
+		data &= 0xfff7ffff;
+		mmio_write_32((0xf712c000 + 0x070), data);
+
+		mmio_write_32((0xf712c000 + 0x004), 0x8000);
+		mmio_write_32((0xf712c000 + 0x004), 0);
+
+		data = mmio_read_32((0xf712c000 + 0x0d0));
+		data &= ~0xf0000000;
+		data |= 0x40000000;
+		mmio_write_32((0xf712c000 + 0x0d0), data);
+		mmio_write_32((0xf712c000 + 0x004), 0x101);
+		do {
+			data = mmio_read_32((0xf712c000 + 0x004));
+		} while (data & 1);
+
+		data = mmio_read_32((0xf712c000 + 0x008));
+		rdet = data & 0x100;
+		if (rdet) {
+			INFO("rdet ds fail\n");
+			mmio_write_32((0xf712c000 + 0x008), 0x100);
+		}
+		bdl[0]++;
+		bdl[1]++;
+		bdl[2]++;
+		bdl[3]++;
+	} while (rdet);
+
+	data = mmio_read_32((0xf712c000 + 0x0d0));
+	data &= ~0xf0000000;
+	data |= 0x30000000;
+	mmio_write_32((0xf712c000 + 0x0d0), data);
+
+	mmio_write_32((0xf712c000 + 0x004), 0x101);
+	do {
+		data = mmio_read_32((0xf712c000 + 0x004));
+	} while (data & 1);
+	data = mmio_read_32((0xf712c000 + 0x008));
+	if (data & 0x100)
+		INFO("rdet rbs av fail\n");
+}
+
+static void ddrx_wdet(void)
+{
+	unsigned int data, wdet, zero_bdl, dq[4];
+	int i;
+
+	data = mmio_read_32((0xf712c000 + 0x0d0));
+	data &= ~0xf;
+	data |= 0xf;
+	mmio_write_32((0xf712c000 + 0x0d0), data);
+
+	data = mmio_read_32((0xf712c000 + 0x070));
+	data |= 0x80000;
+	mmio_write_32((0xf712c000 + 0x070), data);
+	data = mmio_read_32((0xf712c000 + 0x070));
+	data &= ~0x80000;
+	mmio_write_32((0xf712c000 + 0x070), data);
+
+	mmio_write_32((0xf712c000 + 0x004), 0x8000);
+	mmio_write_32((0xf712c000 + 0x004), 0);
+	data = mmio_read_32((0xf712c000 + 0x0d0));
+	data &= ~0xf000;
+	data |= 0x8000;
+	mmio_write_32((0xf712c000 + 0x0d0), data);
+	mmio_write_32((0xf712c000 + 0x004), 0x201);
+	do {
+		data = mmio_read_32((0xf712c000 + 0x004));
+	} while (data & 1);
+	data = mmio_read_32((0xf712c000 + 0x008));
+	if (data & 0x200)
+		INFO("wdet lbs fail\n");
+
+	dq[0] = mmio_read_32((0xf712c000 + 0x234)) & 0x1f00;
+	dq[1] = mmio_read_32((0xf712c000 + 0x2b4)) & 0x1f00;
+	dq[2] = mmio_read_32((0xf712c000 + 0x334)) & 0x1f00;
+	dq[3] = mmio_read_32((0xf712c000 + 0x3b4)) & 0x1f00;
+
+	do {
+		mmio_write_32((0xf712c000 + 0x234), dq[0]);
+		mmio_write_32((0xf712c000 + 0x2b4), dq[1]);
+		mmio_write_32((0xf712c000 + 0x334), dq[2]);
+		mmio_write_32((0xf712c000 + 0x3b4), dq[3]);
+
+		data = mmio_read_32((0xf712c000 + 0x070));
+		data |= 0x80000;
+		mmio_write_32((0xf712c000 + 0x070), data);
+		data = mmio_read_32((0xf712c000 + 0x070));
+		data &= ~0x80000;
+		mmio_write_32((0xf712c000 + 0x070), data);
+		mmio_write_32((0xf712c000 + 0x004), 0x8000);
+		mmio_write_32((0xf712c000 + 0x004), 0);
+
+		data = mmio_read_32((0xf712c000 + 0x0d0));
+		data &= ~0xf000;
+		data |= 0x4000;
+		mmio_write_32((0xf712c000 + 0x0d0), data);
+		mmio_write_32((0xf712c000 + 0x004), 0x201);
+		do {
+			data = mmio_read_32((0xf712c000 + 0x004));
+		} while (data & 1);
+
+		data = mmio_read_32((0xf712c000 + 0x008));
+		wdet = data & 0x200;
+		if (wdet) {
+			INFO("wdet ds fail\n");
+			mmio_write_32((0xf712c000 + 0x008), 0x200);
+		}
+		mdelay(10);
+
+		for (i = 0; i < 4; i++) {
+			data = mmio_read_32((0xf712c000 + 0x210 + i * 0x80));
+			if ((!(data & 0x1f)) || (!(data & 0x1f00)) ||
+					(!(data & 0x1f0000)) || (!(data & 0x1f000000)))
+				zero_bdl = 1;
+			data = mmio_read_32((0xf712c000 + 0x214 + i * 0x80));
+			if ((!(data & 0x1f)) || (!(data & 0x1f00)) ||
+					(!(data & 0x1f0000)) || (!(data & 0x1f000000)))
+				zero_bdl = 1;
+			data = mmio_read_32((0xf712c000 + 0x218 + i * 0x80));
+			if (!(data & 0x1f))
+				zero_bdl = 1;
+			if (zero_bdl) {
+				if (i == 0)
+					dq[0] = dq[0] - 0x100;
+				if (i == 1)
+					dq[1] = dq[1] - 0x100;
+				if (i == 2)
+					dq[2] = dq[2] - 0x100;
+				if (i == 3)
+					dq[3] = dq[3] - 0x100;
+			}
+		}
+	} while (wdet);
+
+	data = mmio_read_32((0xf712c000 + 0x0d0));
+	data &= ~0xf000;
+	data |= 0x3000;
+	mmio_write_32((0xf712c000 + 0x0d0), data);
+	mmio_write_32((0xf712c000 + 0x004), 0x201);
+	do {
+		data = mmio_read_32((0xf712c000 + 0x004));
+	} while (data & 1);
+	data = mmio_read_32((0xf712c000 + 0x008));
+	if (data & 0x200)
+		INFO("wdet rbs av fail\n");
+}
+
+static void set_ddrc_533mhz(void)
+{
+	unsigned int data;
+
+	mmio_write_32((0xf7032000 + 0x580), 0x3);
+	mmio_write_32((0xf7032000 + 0x5a8), 0x11111);
+	data = mmio_read_32((0xf7032000 + 0x104));
+	data |= 0x100;
+	mmio_write_32((0xf7032000 + 0x104), data);
+
+	mmio_write_32((0xf7030000 + 0x050), 0x30);
+	mmio_write_32((0xf7030000 + 0x240), 0x5ffff);
+	mmio_write_32((0xf7030000 + 0x344), 0xf5ff);
+	mmio_write_32((0xf712c000 + 0x00c), 0x400);
+	mmio_write_32((0xf712c000 + 0x018), 0x7);
+	mmio_write_32((0xf712c000 + 0x090), 0x6400000);
+	mmio_write_32((0xf712c000 + 0x258), 0x640);
+	mmio_write_32((0xf712c000 + 0x2d8), 0x640);
+	mmio_write_32((0xf712c000 + 0x358), 0x640);
+	mmio_write_32((0xf712c000 + 0x3d8), 0x640);
+	mmio_write_32((0xf712c000 + 0x018), 0x0);
+	mmio_write_32((0xf712c000 + 0x0b0), 0xf00000f);
+	mmio_write_32((0xf712c000 + 0x0b4), 0xf);
+	mmio_write_32((0xf712c000 + 0x088), 0x3fff801);
+	mmio_write_32((0xf712c000 + 0x070), 0x8940000);
+
+	data = mmio_read_32((0xf712c000 + 0x078));
+	data |= 4;
+	mmio_write_32((0xf712c000 + 0x078), data);
+	mmio_write_32((0xf712c000 + 0x01c), 0x8000080);
+	data = mmio_read_32((0xf712c000 + 0x020));
+	data &= 0xfffffffe;
+	mmio_write_32((0xf712c000 + 0x020), data);
+	mmio_write_32((0xf712c000 + 0x1d4), 0xc0000);
+	mmio_write_32((0xf712c000 + 0x010), 0x500000f);
+	mmio_write_32((0xf712c000 + 0x014), 0x10);
+	data = mmio_read_32((0xf712c000 + 0x1e4));
+	data &= 0xffffff00;
+	mmio_write_32((0xf712c000 + 0x1e4), data);
+	mmio_write_32((0xf712c000 + 0x030), 0x9dd87855);
+	mmio_write_32((0xf712c000 + 0x034), 0xa7138bb);
+	mmio_write_32((0xf712c000 + 0x038), 0x20091477);
+	mmio_write_32((0xf712c000 + 0x03c), 0x84534e16);
+	mmio_write_32((0xf712c000 + 0x040), 0x3008817);
+	mmio_write_32((0xf712c000 + 0x064), 0x106c3);
+	mmio_write_32((0xf712c000 + 0x068), 0xff0a0000);
+	data = mmio_read_32((0xf712c000 + 0x070));
+	data &= 0xffff0000;
+	data |= 0x305;
+	mmio_write_32((0xf712c000 + 0x070), data);
+	data = mmio_read_32((0xf712c000 + 0x048));
+	data |= 0x40000000;
+	mmio_write_32((0xf712c000 + 0x048), data);
+	data = mmio_read_32((0xf712c000 + 0x020));
+	data &= ~0x10;
+	mmio_write_32((0xf712c000 + 0x020), data);
+	data = mmio_read_32((0xf712c000 + 0x080));
+	data &= ~0x2000;
+	mmio_write_32((0xf712c000 + 0x080), data);
+	mmio_write_32((0xf712c000 + 0x270), 0x3);
+	mmio_write_32((0xf712c000 + 0x2f0), 0x3);
+	mmio_write_32((0xf712c000 + 0x370), 0x3);
+	mmio_write_32((0xf712c000 + 0x3f0), 0x3);
+	mmio_write_32((0xf712c000 + 0x048), 0xd0420900);
+
+	mmio_write_32((0xf7128000 + 0x040), 0x0);
+	mmio_write_32((0xf712c000 + 0x004), 0x140f);
+	do {
+		data = mmio_read_32((0xf712c000 + 0x004));
+	} while (data & 1);
+	data = mmio_read_32((0xf712c000 + 0x008));
+	if (data & 0x7fe) {
+		NOTICE("failed to init lpddr3 rank0 dram phy\n");
+		return;
+	}
+	NOTICE("succeed to init lpddr3 rank0 dram phy\n");
+}
+
+static void set_ddrc_800mhz(void)
+{
+	unsigned int data;
+
+	mmio_write_32((0xf7032000 + 0x580), 0x2);
+	mmio_write_32((0xf7032000 + 0x5a8), 0x1003);
+	data = mmio_read_32((0xf7032000 + 0x104));
+	data &= 0xfffffcff;
+	mmio_write_32((0xf7032000 + 0x104), data);
+
+	mmio_write_32((0xf7030000 + 0x050), 0x30);
+	mmio_write_32((0xf7030000 + 0x240), 0x5ffff);
+	mmio_write_32((0xf7030000 + 0x344), 0xf5ff);
+	mmio_write_32((0xf712c000 + 0x00c), 0x400);
+	mmio_write_32((0xf712c000 + 0x018), 0x7);
+	mmio_write_32((0xf712c000 + 0x090), 0x5400000);
+	mmio_write_32((0xf712c000 + 0x258), 0x540);
+	mmio_write_32((0xf712c000 + 0x2d8), 0x540);
+	mmio_write_32((0xf712c000 + 0x358), 0x540);
+	mmio_write_32((0xf712c000 + 0x3d8), 0x540);
+	mmio_write_32((0xf712c000 + 0x018), 0x0);
+	mmio_write_32((0xf712c000 + 0x0b0), 0xf00000f);
+	mmio_write_32((0xf712c000 + 0x0b4), 0xf);
+	mmio_write_32((0xf712c000 + 0x088), 0x3fff801);
+	mmio_write_32((0xf712c000 + 0x070), 0x8940000);
+
+	data = mmio_read_32((0xf712c000 + 0x078));
+	data |= 4;
+	mmio_write_32((0xf712c000 + 0x078), data);
+	mmio_write_32((0xf712c000 + 0x01c), 0x8000080);
+	data = mmio_read_32((0xf712c000 + 0x020));
+	data &= 0xfffffffe;
+	mmio_write_32((0xf712c000 + 0x020), data);
+	mmio_write_32((0xf712c000 + 0x1d4), 0xc0000);
+	mmio_write_32((0xf712c000 + 0x010), 0x500000f);
+	mmio_write_32((0xf712c000 + 0x014), 0x10);
+	data = mmio_read_32((0xf712c000 + 0x1e4));
+	data &= 0xffffff00;
+	mmio_write_32((0xf712c000 + 0x1e4), data);
+	mmio_write_32((0xf712c000 + 0x030), 0xe663ab77);
+	mmio_write_32((0xf712c000 + 0x034), 0xea952db);
+	mmio_write_32((0xf712c000 + 0x038), 0x200d1cb1);
+	mmio_write_32((0xf712c000 + 0x03c), 0xc67d0721);
+	mmio_write_32((0xf712c000 + 0x040), 0x3008aa1);
+	mmio_write_32((0xf712c000 + 0x064), 0x11a43);
+	mmio_write_32((0xf712c000 + 0x068), 0xff0a0000);
+	data = mmio_read_32((0xf712c000 + 0x070));
+	data &= 0xffff0000;
+	data |= 0x507;
+	mmio_write_32((0xf712c000 + 0x070), data);
+	data = mmio_read_32((0xf712c000 + 0x048));
+	data |= 0x40000000;
+	mmio_write_32((0xf712c000 + 0x048), data);
+	data = mmio_read_32((0xf712c000 + 0x020));
+	data &= 0xffffffef;
+	mmio_write_32((0xf712c000 + 0x020), data);
+	data = mmio_read_32((0xf712c000 + 0x080));
+	data &= 0xffffdfff;
+	mmio_write_32((0xf712c000 + 0x080), data);
+	mmio_write_32((0xf712c000 + 0x270), 0x3);
+	mmio_write_32((0xf712c000 + 0x2f0), 0x3);
+	mmio_write_32((0xf712c000 + 0x370), 0x3);
+	mmio_write_32((0xf712c000 + 0x3f0), 0x3);
+	mmio_write_32((0xf712c000 + 0x048), 0xd0420900);
+
+	mmio_write_32((0xf7128000 + 0x040), 0x2001);
+	mmio_write_32((0xf712c000 + 0x004), 0x140f);
+	do {
+		data = mmio_read_32((0xf712c000 + 0x004));
+	} while (data & 1);
+	data = mmio_read_32((0xf712c000 + 0x008));
+	if (data & 0x7fe) {
+		WARN("failed to init lpddr3 rank0 dram phy\n");
+		return;
+	}
+}
+
+static void ddrc_common_init(int ddr800)
+{
+	unsigned int data;
+
+	mmio_write_32((0xf7120000 + 0x020), 0x1);
+	mmio_write_32((0xf7120000 + 0x100), 0x1700);
+	mmio_write_32((0xf7120000 + 0x104), 0x71040004);
+	mmio_write_32((0xf7121400 + 0x104), 0xf);
+	mmio_write_32((0xf7121800 + 0x104), 0xf);
+	mmio_write_32((0xf7121800 + 0x104), 0xf);
+	mmio_write_32((0xf7121c00 + 0x104), 0xf);
+	mmio_write_32((0xf7122000 + 0x104), 0xf);
+	mmio_write_32((0xf7128000 + 0x02c), 0x6);
+	mmio_write_32((0xf7128000 + 0x020), 0x1);
+	mmio_write_32((0xf7128000 + 0x028), 0x310201);
+	mmio_write_32((0xf712c000 + 0x1e4), 0xfe007600);
+	mmio_write_32((0xf7128000 + 0x01c), 0xaf001);
+
+
+	data = mmio_read_32((0xf7128000 + 0x280));
+	data |= 1 << 7;
+	mmio_write_32((0xf7128000 + 0x280), data);
+	mmio_write_32((0xf7128000 + 0x244), 0x3);
+
+	if (ddr800)
+		mmio_write_32((0xf7128000 + 0x240), 167 * 400000 / 1024);
+	else
+		mmio_write_32((0xf7128000 + 0x240), 167 * 533000 / 1024);
+
+	data = mmio_read_32((0xf712c000 + 0x080));
+	data &= 0xffff;
+	data |= 0x4002000;
+	mmio_write_32((0xf712c000 + 0x080), data);
+	mmio_write_32((0xf7128000 + 0x000), 0x0);
+	do {
+		data = mmio_read_32((0xf7128000 + 0x294));
+	} while (data & 1);
+	mmio_write_32((0xf7128000 + 0x000), 0x2);
+}
+
+
+static int dienum_det_and_rowcol_cfg(void)
+{
+	unsigned int data;
+
+	mmio_write_32((0xf7128000 + 0x210), 0x87);
+	mmio_write_32((0xf7128000 + 0x218), 0x10000);
+	mmio_write_32((0xf7128000 + 0x00c), 0x1);
+	do {
+		data = mmio_read_32((0xf7128000 + 0x00c));
+	} while (data & 1);
+	data = mmio_read_32((0xf7128000 + 0x4a8)) & 0xfc;
+	switch (data) {
+	case 0x18:
+		mmio_write_32((0xf7128000 + 0x060), 0x132);
+		mmio_write_32((0xf7128000 + 0x064), 0x132);
+		mmio_write_32((0xf7120000 + 0x100), 0x1600);
+		mmio_write_32((0xf7120000 + 0x104), 0x71040004);
+		break;
+	case 0x1c:
+		mmio_write_32((0xf7128000 + 0x060), 0x142);
+		mmio_write_32((0xf7128000 + 0x064), 0x142);
+		mmio_write_32((0xf7120000 + 0x100), 0x1700);
+		mmio_write_32((0xf7120000 + 0x104), 0x71040004);
+		break;
+	case 0x58:
+		mmio_write_32((0xf7128000 + 0x060), 0x133);
+		mmio_write_32((0xf7128000 + 0x064), 0x133);
+		mmio_write_32((0xf7120000 + 0x100), 0x1700);
+		mmio_write_32((0xf7120000 + 0x104), 0x71040004);
+		break;
+	default:
+		break;
+	}
+	if (!data)
+		return -EINVAL;
+	return 0;
+}
+
+static int detect_ddr_chip_info(void)
+{
+	unsigned int data, mr5, mr6, mr7;
+
+	mmio_write_32((0xf7128000 + 0x210), 0x57);
+	mmio_write_32((0xf7128000 + 0x218), 0x10000);
+	mmio_write_32((0xf7128000 + 0x00c), 0x1);
+
+	do {
+		data = mmio_read_32((0xf7128000 + 0x00c));
+	} while (data & 1);
+
+	data = mmio_read_32((0xf7128000 + 0x4a8));
+	mr5 = data & 0xff;
+	switch (mr5) {
+	case 1:
+		INFO("Samsung DDR\n");
+		break;
+	case 6:
+		INFO("Hynix DDR\n");
+		break;
+	case 3:
+		INFO("Elpida DDR\n");
+		break;
+	default:
+		INFO("DDR from other vendors\n");
+		break;
+	}
+
+	mmio_write_32((0xf7128000 + 0x210), 0x67);
+	mmio_write_32((0xf7128000 + 0x218), 0x10000);
+	mmio_write_32((0xf7128000 + 0x00c), 0x1);
+	do {
+		data = mmio_read_32((0xf7128000 + 0x00c));
+	} while (data & 1);
+	data = mmio_read_32((0xf7128000 + 0x4a8));
+	mr6 = data & 0xff;
+	mmio_write_32((0xf7128000 + 0x210), 0x77);
+	mmio_write_32((0xf7128000 + 0x218), 0x10000);
+	mmio_write_32((0xf7128000 + 0x00c), 0x1);
+	do {
+		data = mmio_read_32((0xf7128000 + 0x00c));
+	} while (data & 1);
+	data = mmio_read_32((0xf7128000 + 0x4a8));
+	mr7 = data & 0xff;
+	data = mr5 + (mr6 << 8) + (mr7 << 16);
+	return data;
+}
+
+int lpddr3_freq_init(int freq)
+{
+	unsigned int data;
+
+	if (freq == DDR_FREQ_800M) {
+		set_ddrc_800mhz();
+		INFO("%s, set ddrc 800mhz\n", __func__);
+	} else {
+		set_ddrc_533mhz();
+		INFO("%s, set ddrc 533mhz\n", __func__);
+	}
+
+	mmio_write_32((0xf712c000 + 0x004), 0xf1);
+	if (freq == DDR_FREQ_800M)
+		mmio_write_32((0xf7128000 + 0x050), 0x100023);
+	else
+		mmio_write_32((0xf7128000 + 0x050), 0x100123);
+	mmio_write_32((0xf7128000 + 0x060), 0x133);
+	mmio_write_32((0xf7128000 + 0x064), 0x133);
+	mmio_write_32((0xf7128000 + 0x200), 0xa1000);
+
+	if (freq == DDR_FREQ_800M) {
+		mmio_write_32((0xf7128000 + 0x100), 0x755a9d12);
+		mmio_write_32((0xf7128000 + 0x104), 0x1753b055);
+		mmio_write_32((0xf7128000 + 0x108), 0x7401505f);
+		mmio_write_32((0xf7128000 + 0x10c), 0x578ca244);
+		mmio_write_32((0xf7128000 + 0x110), 0x10700000);
+		mmio_write_32((0xf7128000 + 0x114), 0x13141306);
+	} else {
+		mmio_write_32((0xf7128000 + 0x100), 0xb77b6718);
+		mmio_write_32((0xf7128000 + 0x104), 0x1e82a071);
+		mmio_write_32((0xf7128000 + 0x108), 0x9501c07e);
+		mmio_write_32((0xf7128000 + 0x10c), 0xaf50c255);
+		mmio_write_32((0xf7128000 + 0x110), 0x10b00000);
+		mmio_write_32((0xf7128000 + 0x114), 0x13181908);
+	}
+	mmio_write_32((0xf7128000 + 0x118), 0x44);
+	do {
+		data = mmio_read_32((0xf712c000 + 0x004));
+	} while (data & 1);
+
+	data = mmio_read_32((0xf712c000 + 0x008));
+	if (data & 0x7fe) {
+		NOTICE("fail to init ddr3 rank0\n");
+		return -EFAULT;
+	}
+	INFO("init ddr3 rank0\n");
+	ddrx_rdet();
+	ddrx_wdet();
+
+	data = mmio_read_32((0xf712c000 + 0x048));
+	data |= 1;
+	mmio_write_32((0xf712c000 + 0x048), data);
+	mmio_write_32((0xf712c000 + 0x004), 0x21);
+	do {
+		data = mmio_read_32((0xf712c000 + 0x004));
+	} while (data & 1);
+
+	data = mmio_read_32((0xf712c000 + 0x008));
+	if (data & 0x7fe)
+		NOTICE("ddr3 rank1 init failure\n");
+	else
+		INFO("ddr3 rank1 init pass\n");
+
+	data = mmio_read_32((0xf712c000 + 0x048));
+	data &= ~0xf;
+	mmio_write_32((0xf712c000 + 0x048), data);
+	return 0;
+}
+
+static void init_ddr(int freq)
+{
+	unsigned int data;
+	int ret;
+
+
+	data = mmio_read_32((0xf7032000 + 0x030));
+	data |= 1;
+	mmio_write_32((0xf7032000 + 0x030), data);
+	data = mmio_read_32((0xf7032000 + 0x010));
+	data |= 1;
+	mmio_write_32((0xf7032000 + 0x010), data);
+
+	udelay(100);
+	do {
+		data = mmio_read_32((0xf7032000 + 0x030));
+		data &= 3 << 28;
+	} while (data != (3 << 28));
+	do {
+		data = mmio_read_32((0xf7032000 + 0x010));
+		data &= 3 << 28;
+	} while (data != (3 << 28));
+
+	ret = lpddr3_freq_init(freq);
+	if (ret)
+		return;
+}
+
+static void init_ddrc_qos(void)
+{
+	unsigned int port, data;
+
+	mmio_write_32((0xf7124000 + 0x088), 1);
+
+	port = 0;
+	mmio_write_32((0xf7120000 + 0x200 + port * 0x10), 0x1210);
+	mmio_write_32((0xf7120000 + 0x204 + port * 0x10), 0x11111111);
+	mmio_write_32((0xf7120000 + 0x208 + port * 0x10), 0x11111111);
+	mmio_write_32((0xf7120000 + 0x400 + 0 * 0x10), 0x001d0007);
+
+	for (port = 3; port <= 4; port++) {
+		mmio_write_32((0xf7120000 + 0x200 + port * 0x10), 0x1210);
+		mmio_write_32((0xf7120000 + 0x204 + port * 0x10), 0x77777777);
+		mmio_write_32((0xf7120000 + 0x208 + port * 0x10), 0x77777777);
+	}
+
+	port = 1;
+	mmio_write_32((0xf7120000 + 0x200 + port * 0x10), 0x30000);
+	mmio_write_32((0xf7120000 + 0x204 + port * 0x10), 0x1234567);
+	mmio_write_32((0xf7120000 + 0x208 + port * 0x10), 0x1234567);
+
+	mmio_write_32((0xf7124000 + 0x1f0), 0);
+	mmio_write_32((0xf7124000 + 0x0bc), 0x3020100);
+	mmio_write_32((0xf7124000 + 0x0d0), 0x3020100);
+	mmio_write_32((0xf7124000 + 0x1f4), 0x01000100);
+	mmio_write_32((0xf7124000 + 0x08c + 0 * 4), 0xd0670402);
+	mmio_write_32((0xf7124000 + 0x068 + 0 * 4), 0x31);
+	mmio_write_32((0xf7124000 + 0x000), 0x7);
+
+	data = mmio_read_32((0xf7124000 + 0x09c));
+	data &= ~0xff0000;
+	data |= 0x400000;
+	mmio_write_32((0xf7124000 + 0x09c), data);
+	data = mmio_read_32((0xf7124000 + 0x0ac));
+	data &= ~0xff0000;
+	data |= 0x400000;
+	mmio_write_32((0xf7124000 + 0x0ac), data);
+	port = 2;
+	mmio_write_32((0xf7120000 + 0x200 + port * 0x10), 0x30000);
+	mmio_write_32((0xf7120000 + 0x204 + port * 0x10), 0x1234567);
+	mmio_write_32((0xf7120000 + 0x208 + port * 0x10), 0x1234567);
+
+
+	mmio_write_32((0xf7124000 + 0x09c), 0xff7fff);
+	mmio_write_32((0xf7124000 + 0x0a0), 0xff);
+	mmio_write_32((0xf7124000 + 0x0ac), 0xff7fff);
+	mmio_write_32((0xf7124000 + 0x0b0), 0xff);
+	mmio_write_32((0xf7124000 + 0x0bc), 0x3020100);
+	mmio_write_32((0xf7124000 + 0x0d0), 0x3020100);
+}
+
+static void ddr_phy_reset(void)
+{
+	mmio_write_32(0xf7030340, 0xa000);
+	mmio_write_32(0xf7030344, 0xa000);
+}
+
+void hikey_ddr_init(void)
+{
+	uint32_t data;
+
+	init_pll();
+	init_freq();
+
+	/*
+	 * Init DDR with 533MHz. Otherwise, DDR initialization
+	 * may fail on 800MHz on some boards.
+	 */
+	ddr_phy_reset();
+	init_ddr(DDR_FREQ_533M);
+	/* Init DDR with 800MHz. */
+	ddr_phy_reset();
+	init_ddr(DDR_FREQ_800M);
+
+
+	ddrc_common_init(1);
+	dienum_det_and_rowcol_cfg();
+	detect_ddr_chip_info();
+
+	data = mmio_read_32(0xf7032000 + 0x010);
+	data &= ~0x1;
+	mmio_write_32(0xf7032000 + 0x010, data);
+	data = mmio_read_32(0xf7032000 + 0x010);
+
+	/*
+	 * Test memory access. Do not use address 0x0 because the compiler
+	 * may assume it is not a valid address and generate incorrect code
+	 * (GCC 4.9.1 without -fno-delete-null-pointer-checks for instance).
+	 */
+	mmio_write_32(0x4, 0xa5a55a5a);
+	INFO("ddr test value:0x%x\n", mmio_read_32(0x4));
+	init_ddrc_qos();
+}