diff --git a/arch/arm/include/asm/arch-sunxi/cpu.h b/arch/arm/include/asm/arch-sunxi/cpu.h
index 6f96a97..e8e670e 100644
--- a/arch/arm/include/asm/arch-sunxi/cpu.h
+++ b/arch/arm/include/asm/arch-sunxi/cpu.h
@@ -15,5 +15,6 @@
 
 #define SOCID_A64	0x1689
 #define SOCID_H3	0x1680
+#define SOCID_H5	0x1718
 
 #endif /* _SUNXI_CPU_H */
diff --git a/arch/arm/mach-sunxi/dram_sun8i_h3.c b/arch/arm/mach-sunxi/dram_sun8i_h3.c
index 9f7cc7f..d681a9d 100644
--- a/arch/arm/mach-sunxi/dram_sun8i_h3.c
+++ b/arch/arm/mach-sunxi/dram_sun8i_h3.c
@@ -177,6 +177,34 @@
 	writel(0x81000004, &mctl_com->mdfs_bwlr[2]);
 }
 
+static void mctl_set_master_priority_h5(void)
+{
+	struct sunxi_mctl_com_reg * const mctl_com =
+			(struct sunxi_mctl_com_reg *)SUNXI_DRAM_COM_BASE;
+
+	/* enable bandwidth limit windows and set windows size 1us */
+	writel(399, &mctl_com->tmr);
+	writel((1 << 16), &mctl_com->bwcr);
+
+	/* set cpu high priority */
+	writel(0x00000001, &mctl_com->mapr);
+
+	/* Port 2 is reserved per Allwinner's linux-3.10 source, yet
+	 * they initialise it */
+	MBUS_CONF(   CPU, true, HIGHEST, 0,  300,  260,  150);
+	MBUS_CONF(   GPU, true, HIGHEST, 0,  600,  400,  200);
+	MBUS_CONF(UNUSED, true, HIGHEST, 0,  512,  256,   96);
+	MBUS_CONF(   DMA, true, HIGHEST, 0,  256,  128,   32);
+	MBUS_CONF(    VE, true, HIGHEST, 0, 1900, 1500, 1000);
+	MBUS_CONF(   CSI, true, HIGHEST, 0,  150,  120,  100);
+	MBUS_CONF(  NAND, true,    HIGH, 0,  256,  128,   64);
+	MBUS_CONF(    SS, true, HIGHEST, 0,  256,  128,   64);
+	MBUS_CONF(    TS, true, HIGHEST, 0,  256,  128,   64);
+	MBUS_CONF(    DI, true,    HIGH, 0, 1024,  256,   64);
+	MBUS_CONF(    DE, true, HIGHEST, 3, 3400, 2400, 1024);
+	MBUS_CONF(DE_CFD, true, HIGHEST, 0,  600,  400,  200);
+}
+
 static void mctl_set_master_priority(uint16_t socid)
 {
 	switch (socid) {
@@ -186,6 +214,9 @@
 	case SOCID_A64:
 		mctl_set_master_priority_a64();
 		return;
+	case SOCID_H5:
+		mctl_set_master_priority_h5();
+		return;
 	}
 }
 
@@ -256,7 +287,7 @@
 
 	/* set two rank timing */
 	clrsetbits_le32(&mctl_ctl->dramtmg[8], (0xff << 8) | (0xff << 0),
-			(0x66 << 8) | (0x10 << 0));
+			((socid == SOCID_H5 ? 0x33 : 0x66) << 8) | (0x10 << 0));
 
 	/* set PHY interface timing, write latency and read latency configure */
 	writel((0x2 << 24) | (t_rdata_en << 16) | (0x1 << 8) |
@@ -391,7 +422,7 @@
 				CCM_DRAMCLK_CFG_DIV(1) |
 				CCM_DRAMCLK_CFG_SRC_PLL11 |
 				CCM_DRAMCLK_CFG_UPD);
-	} else if (socid == SOCID_H3) {
+	} else if (socid == SOCID_H3 || socid == SOCID_H5) {
 		clock_set_pll5(CONFIG_DRAM_CLK * 2 * 1000000, false);
 		clrsetbits_le32(&ccm->dram_clk_cfg,
 				CCM_DRAMCLK_CFG_DIV_MASK |
@@ -410,7 +441,7 @@
 	setbits_le32(&ccm->dram_clk_cfg, CCM_DRAMCLK_CFG_RST);
 	udelay(10);
 
-	writel(0xc00e, &mctl_ctl->clken);
+	writel(socid == SOCID_H5 ? 0x8000 : 0xc00e, &mctl_ctl->clken);
 	udelay(500);
 }
 
@@ -434,7 +465,10 @@
 
 	/* setting VTC, default disable all VT */
 	clrbits_le32(&mctl_ctl->pgcr[0], (1 << 30) | 0x3f);
-	clrsetbits_le32(&mctl_ctl->pgcr[1], 1 << 24, 1 << 26);
+	if (socid == SOCID_H5)
+		setbits_le32(&mctl_ctl->pgcr[1], (1 << 24) | (1 << 26));
+	else
+		clrsetbits_le32(&mctl_ctl->pgcr[1], 1 << 24, 1 << 26);
 
 	/* increase DFI_PHY_UPD clock */
 	writel(PROTECT_MAGIC, &mctl_com->protect);
@@ -444,15 +478,22 @@
 	udelay(100);
 
 	/* set dramc odt */
-	for (i = 0; i < 4; i++)
-		clrsetbits_le32(&mctl_ctl->dx[i].gcr, (0x3 << 4) |
-				(0x1 << 1) | (0x3 << 2) | (0x3 << 12) |
-				(0x3 << 14),
-				IS_ENABLED(CONFIG_DRAM_ODT_EN) ?
-					DX_GCR_ODT_DYNAMIC : DX_GCR_ODT_OFF);
+	for (i = 0; i < 4; i++) {
+		u32 clearmask = (0x3 << 4) | (0x1 << 1) | (0x3 << 2) |
+				(0x3 << 12) | (0x3 << 14);
+		u32 setmask = IS_ENABLED(CONFIG_DRAM_ODT_EN) ?
+				DX_GCR_ODT_DYNAMIC : DX_GCR_ODT_OFF;
+
+		if (socid == SOCID_H5) {
+			clearmask |= 0x2 << 8;
+			setmask |= 0x4 << 8;
+		}
+		clrsetbits_le32(&mctl_ctl->dx[i].gcr, clearmask, setmask);
+	}
 
 	/* AC PDR should always ON */
-	setbits_le32(&mctl_ctl->aciocr, 0x1 << 1);
+	clrsetbits_le32(&mctl_ctl->aciocr, socid == SOCID_H5 ? (0x1 << 11) : 0,
+			0x1 << 1);
 
 	/* set DQS auto gating PD mode */
 	setbits_le32(&mctl_ctl->pgcr[2], 0x3 << 6);
@@ -464,7 +505,7 @@
 		/* dphy & aphy phase select 270 degree */
 		clrsetbits_le32(&mctl_ctl->pgcr[2], (0x3 << 10) | (0x3 << 8),
 				(0x1 << 10) | (0x2 << 8));
-	} else if (socid == SOCID_A64) {
+	} else if (socid == SOCID_A64 || socid == SOCID_H5) {
 		/* dphy & aphy phase select ? */
 		clrsetbits_le32(&mctl_ctl->pgcr[2], (0x3 << 10) | (0x3 << 8),
 				(0x0 << 10) | (0x3 << 8));
@@ -488,11 +529,12 @@
 
 		mctl_phy_init(PIR_PLLINIT | PIR_DCAL | PIR_PHYRST |
 			      PIR_DRAMRST | PIR_DRAMINIT | PIR_QSGATE);
-	} else if (socid == SOCID_A64) {
+	} else if (socid == SOCID_A64 || socid == SOCID_H5) {
 		clrsetbits_le32(&mctl_ctl->zqcr, 0xffffff, CONFIG_DRAM_ZQ);
 
 		mctl_phy_init(PIR_ZCAL | PIR_PLLINIT | PIR_DCAL | PIR_PHYRST |
 			      PIR_DRAMRST | PIR_DRAMINIT | PIR_QSGATE);
+		/* no PIR_QSGATE for H5 ???? */
 	}
 
 	/* detect ranks and bus width */
@@ -533,7 +575,7 @@
 	/* set PGCR3, CKE polarity */
 	if (socid == SOCID_H3)
 		writel(0x00aa0060, &mctl_ctl->pgcr[3]);
-	else if (socid == SOCID_A64)
+	else if (socid == SOCID_A64 || socid == SOCID_H5)
 		writel(0xc0aa0060, &mctl_ctl->pgcr[3]);
 
 	/* power down zq calibration module for power save */
@@ -604,6 +646,22 @@
 	   3,  4,  0,  3,  4,  1,  4,  0,			\
 	   1,  1,  0,  1, 13,  5,  4      }
 
+#define SUN8I_H5_DX_READ_DELAYS					\
+	{{ 14, 15, 17, 17, 17, 17, 17, 18, 17,  3,  3 },	\
+	 { 21, 21, 12, 22, 21, 21, 21, 21, 21,  3,  3 },	\
+	 { 16, 19, 19, 17, 22, 22, 21, 22, 19,  3,  3 },	\
+	 { 21, 21, 22, 22, 20, 21, 19, 19, 19,  3,  3 } }
+#define SUN8I_H5_DX_WRITE_DELAYS				\
+	{{  1,  2,  3,  4,  3,  4,  4,  4,  6,  6,  6 },	\
+	 {  6,  6,  6,  5,  5,  5,  5,  5,  6,  6,  6 },	\
+	 {  0,  2,  4,  2,  6,  5,  5,  5,  6,  6,  6 },	\
+	 {  3,  3,  3,  2,  2,  1,  1,  1,  4,  4,  4 } }
+#define SUN8I_H5_AC_DELAYS					\
+	{  0,  0,  5,  5,  0,  0,  0,  0,			\
+	   0,  0,  0,  0,  3,  3,  3,  3,			\
+	   3,  3,  3,  3,  3,  3,  3,  3,			\
+	   3,  3,  3,  3,  2,  0,  0      }
+
 unsigned long sunxi_dram_init(void)
 {
 	struct sunxi_mctl_com_reg * const mctl_com =
@@ -625,6 +683,10 @@
 		.dx_read_delays  = SUN50I_A64_DX_READ_DELAYS,
 		.dx_write_delays = SUN50I_A64_DX_WRITE_DELAYS,
 		.ac_delays	 = SUN50I_A64_AC_DELAYS,
+#elif defined(CONFIG_MACH_SUN50I_H5)
+		.dx_read_delays  = SUN8I_H5_DX_READ_DELAYS,
+		.dx_write_delays = SUN8I_H5_DX_WRITE_DELAYS,
+		.ac_delays	 = SUN8I_H5_AC_DELAYS,
 #endif
 	};
 /*
@@ -636,6 +698,8 @@
 	uint16_t socid = SOCID_H3;
 #elif defined(CONFIG_MACH_SUN50I)
 	uint16_t socid = SOCID_A64;
+#elif defined(CONFIG_MACH_SUN50I_H5)
+	uint16_t socid = SOCID_H5;
 #endif
 
 	mctl_sys_init(socid, &para);
@@ -652,8 +716,9 @@
 	if (socid == SOCID_H3)
 		writel(0x0c000400, &mctl_ctl->odtcfg);
 
-	if (socid == SOCID_A64) {
-		setbits_le32(&mctl_ctl->vtfcr, 2 << 8);
+	if (socid == SOCID_A64 || socid == SOCID_H5) {
+		setbits_le32(&mctl_ctl->vtfcr,
+			     (socid == SOCID_H5 ? 3 : 2) << 8);
 		clrbits_le32(&mctl_ctl->pgcr[2], (1 << 13));
 	}