diff --git a/arch/arm/cpu/armv7/sunxi/Makefile b/arch/arm/cpu/armv7/sunxi/Makefile
index 76c7e555f1..459d5d8b0c 100644
--- a/arch/arm/cpu/armv7/sunxi/Makefile
+++ b/arch/arm/cpu/armv7/sunxi/Makefile
@@ -28,6 +28,7 @@ obj-$(CONFIG_MACH_SUN6I)	+= clock_sun6i.o
 obj-$(CONFIG_MACH_SUN7I)	+= clock_sun4i.o
 obj-$(CONFIG_MACH_SUN8I)	+= clock_sun6i.o
 obj-$(CONFIG_MACH_SUN9I)	+= clock_sun9i.o
+obj-$(CONFIG_MACH_SUN6I)	+= tzpc.o
 
 obj-$(CONFIG_AXP152_POWER)	+= pmic_bus.o
 obj-$(CONFIG_AXP209_POWER)	+= pmic_bus.o
diff --git a/arch/arm/cpu/armv7/sunxi/board.c b/arch/arm/cpu/armv7/sunxi/board.c
index f01846ef9a..b40198b36e 100644
--- a/arch/arm/cpu/armv7/sunxi/board.c
+++ b/arch/arm/cpu/armv7/sunxi/board.c
@@ -23,6 +23,7 @@
 #include <asm/arch/gpio.h>
 #include <asm/arch/sys_proto.h>
 #include <asm/arch/timer.h>
+#include <asm/arch/tzpc.h>
 #include <asm/arch/mmc.h>
 
 #include <linux/compiler.h>
@@ -115,6 +116,10 @@ void s_init(void)
 		"orr r0, r0, #1 << 6\n"
 		"mcr p15, 0, r0, c1, c0, 1\n");
 #endif
+#if defined CONFIG_MACH_SUN6I
+	/* Enable non-secure access to the RTC */
+	tzpc_init();
+#endif
 
 	clock_init();
 	timer_init();
diff --git a/arch/arm/cpu/armv7/sunxi/tzpc.c b/arch/arm/cpu/armv7/sunxi/tzpc.c
new file mode 100644
index 0000000000..5c9c69b20b
--- /dev/null
+++ b/arch/arm/cpu/armv7/sunxi/tzpc.c
@@ -0,0 +1,18 @@
+/*
+ * (C) Copyright 2015 Chen-Yu Tsai <wens@csie.org>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <asm/io.h>
+#include <asm/arch/cpu.h>
+#include <asm/arch/tzpc.h>
+
+/* Configure Trust Zone Protection Controller */
+void tzpc_init(void)
+{
+	struct sunxi_tzpc *tzpc = (struct sunxi_tzpc *)SUNXI_TZPC_BASE;
+
+	/* Enable non-secure access to the RTC */
+	writel(SUNXI_TZPC_DECPORT0_RTC, &tzpc->decport0_set);
+}
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index c4c4344759..c97f39dc6b 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -96,6 +96,7 @@ dtb-$(CONFIG_MACH_SUN5I) += \
 	sun5i-a13-forfun-q88db.dtb \
 	sun5i-a13-hsg-h702.dtb \
 	sun5i-a13-inet-86vs.dtb \
+	sun5i-a13-inet-98v-rev2.dtb \
 	sun5i-a13-olinuxino.dtb \
 	sun5i-a13-olinuxino-micro.dtb \
 	sun5i-a13-tzx-q8-713b7.dtb \
@@ -121,6 +122,7 @@ dtb-$(CONFIG_MACH_SUN7I) += \
 	sun7i-a20-m3.dtb \
 	sun7i-a20-m5.dtb \
 	sun7i-a20-mk808c.dtb \
+	sun7i-a20-olimex-som-evb.dtb \
 	sun7i-a20-olinuxino-lime.dtb \
 	sun7i-a20-olinuxino-lime2.dtb \
 	sun7i-a20-olinuxino-micro.dtb \
@@ -134,6 +136,7 @@ dtb-$(CONFIG_MACH_SUN7I) += \
 	sun7i-a20-yones-toptech-bd1078.dtb
 dtb-$(CONFIG_MACH_SUN8I_A23) += \
 	sun8i-a23-evb.dtb \
+	sun8i-a23-gt90h-v4.dtb \
 	sun8i-a23-ippo-q8h-v5.dtb \
 	sun8i-a23-ippo-q8h-v1.2.dtb
 dtb-$(CONFIG_MACH_SUN8I_A33) += \
diff --git a/arch/arm/dts/sun5i-a13-inet-98v-rev2.dts b/arch/arm/dts/sun5i-a13-inet-98v-rev2.dts
new file mode 100644
index 0000000000..6d466a28ec
--- /dev/null
+++ b/arch/arm/dts/sun5i-a13-inet-98v-rev2.dts
@@ -0,0 +1,236 @@
+/*
+ * Copyright 2015 Hans de Goede <hdegoede@redhat.com>
+ *
+ * This file is dual-licensed: you can use it either under the terms
+ * of the GPL or the X11 license, at your option. Note that this dual
+ * licensing only applies to this file, and not this project as a
+ * whole.
+ *
+ *  a) This file is free software; you can redistribute it and/or
+ *     modify it under the terms of the GNU General Public License as
+ *     published by the Free Software Foundation; either version 2 of the
+ *     License, or (at your option) any later version.
+ *
+ *     This file is distributed in the hope that it will be useful,
+ *     but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *     GNU General Public License for more details.
+ *
+ * Or, alternatively,
+ *
+ *  b) Permission is hereby granted, free of charge, to any person
+ *     obtaining a copy of this software and associated documentation
+ *     files (the "Software"), to deal in the Software without
+ *     restriction, including without limitation the rights to use,
+ *     copy, modify, merge, publish, distribute, sublicense, and/or
+ *     sell copies of the Software, and to permit persons to whom the
+ *     Software is furnished to do so, subject to the following
+ *     conditions:
+ *
+ *     The above copyright notice and this permission notice shall be
+ *     included in all copies or substantial portions of the Software.
+ *
+ *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+ *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+ *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ *     OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/dts-v1/;
+#include "sun5i-a13.dtsi"
+#include "sunxi-common-regulators.dtsi"
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/pinctrl/sun4i-a10.h>
+
+/ {
+	model = "INet-98V Rev 02";
+	compatible = "primux,inet98v-rev2", "allwinner,sun5i-a13";
+
+	aliases {
+		serial0 = &uart1;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+};
+
+&cpu0 {
+	cpu-supply = <&reg_dcdc2>;
+};
+
+&ehci0 {
+	status = "okay";
+};
+
+&i2c0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&i2c0_pins_a>;
+	status = "okay";
+
+	axp209: pmic@34 {
+		reg = <0x34>;
+		interrupts = <0>;
+	};
+};
+
+#include "axp209.dtsi"
+
+&i2c1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&i2c1_pins_a>;
+	status = "okay";
+
+	pcf8563: rtc@51 {
+		compatible = "nxp,pcf8563";
+		reg = <0x51>;
+	};
+};
+
+&lradc {
+	vref-supply = <&reg_ldo2>;
+	status = "okay";
+
+	button@200 {
+		label = "Volume Up";
+		linux,code = <KEY_VOLUMEUP>;
+		channel = <0>;
+		voltage = <200000>;
+	};
+
+	button@400 {
+		label = "Volume Down";
+		linux,code = <KEY_VOLUMEDOWN>;
+		channel = <0>;
+		voltage = <400000>;
+	};
+};
+
+&mmc0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_inet98fv2>;
+	vmmc-supply = <&reg_vcc3v3>;
+	bus-width = <4>;
+	cd-gpios = <&pio 6 0 GPIO_ACTIVE_HIGH>; /* PG0 */
+	cd-inverted;
+	status = "okay";
+};
+
+&mmc2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&mmc2_pins_a>;
+	vmmc-supply = <&reg_vcc3v3>;
+	bus-width = <8>;
+	non-removable;
+	status = "okay";
+
+	mmccard: mmccard@0 {
+		reg = <0>;
+		compatible = "mmc-card";
+		broken-hpi;
+	};
+};
+
+&otg_sram {
+	status = "okay";
+};
+
+&pio {
+	mmc0_cd_pin_inet98fv2: mmc0_cd_pin@0 {
+		allwinner,pins = "PG0";
+		allwinner,function = "gpio_in";
+		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
+		allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
+	};
+
+	usb0_vbus_detect_pin: usb0_vbus_detect_pin@0 {
+		allwinner,pins = "PG1";
+		allwinner,function = "gpio_in";
+		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
+		allwinner,pull = <SUN4I_PINCTRL_PULL_DOWN>;
+	};
+
+	usb0_id_detect_pin: usb0_id_detect_pin@0 {
+		allwinner,pins = "PG2";
+		allwinner,function = "gpio_in";
+		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
+		allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
+	};
+};
+
+&reg_dcdc2 {
+	regulator-always-on;
+	regulator-min-microvolt = <1000000>;
+	regulator-max-microvolt = <1400000>;
+	regulator-name = "vdd-cpu";
+};
+
+&reg_dcdc3 {
+	regulator-always-on;
+	regulator-min-microvolt = <1250000>;
+	regulator-max-microvolt = <1250000>;
+	regulator-name = "vdd-int-pll";
+};
+
+&reg_ldo1 {
+	regulator-name = "vdd-rtc";
+};
+
+&reg_ldo2 {
+	regulator-always-on;
+	regulator-min-microvolt = <3000000>;
+	regulator-max-microvolt = <3000000>;
+	regulator-name = "avcc";
+};
+
+&reg_ldo3 {
+	regulator-min-microvolt = <3300000>;
+	regulator-max-microvolt = <3300000>;
+	regulator-name = "vcc-wifi";
+};
+
+&reg_usb0_vbus {
+	gpio = <&pio 6 12 GPIO_ACTIVE_HIGH>; /* PG12 */
+	status = "okay";
+};
+
+&reg_usb1_vbus {
+	gpio = <&pio 6 11 GPIO_ACTIVE_HIGH>; /* PG11 */
+	status = "okay";
+};
+
+&uart1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart1_pins_b>;
+	status = "okay";
+};
+
+&usb_otg {
+	dr_mode = "otg";
+	status = "okay";
+};
+
+&usb0_vbus_pin_a {
+	allwinner,pins = "PG12";
+};
+
+&usb1_vbus_pin_a {
+	allwinner,pins = "PG11";
+};
+
+&usbphy {
+	pinctrl-names = "default";
+	pinctrl-0 = <&usb0_id_detect_pin>, <&usb0_vbus_detect_pin>;
+	usb0_id_det-gpio = <&pio 6 2 GPIO_ACTIVE_HIGH>; /* PG2 */
+	usb0_vbus_det-gpio = <&pio 6 1 GPIO_ACTIVE_HIGH>; /* PG1 */
+	usb0_vbus-supply = <&reg_usb0_vbus>;
+	usb1_vbus-supply = <&reg_usb1_vbus>;
+	status = "okay";
+};
diff --git a/arch/arm/dts/sun7i-a20-olimex-som-evb.dts b/arch/arm/dts/sun7i-a20-olimex-som-evb.dts
new file mode 100644
index 0000000000..6904dbd732
--- /dev/null
+++ b/arch/arm/dts/sun7i-a20-olimex-som-evb.dts
@@ -0,0 +1,244 @@
+/*
+ * Copyright 2015 - Marcus Cooper <codekipper@gmail.com>
+ *
+ * This file is dual-licensed: you can use it either under the terms
+ * of the GPL or the X11 license, at your option. Note that this dual
+ * licensing only applies to this file, and not this project as a
+ * whole.
+ *
+ *  a) This file is free software; you can redistribute it and/or
+ *     modify it under the terms of the GNU General Public License as
+ *     published by the Free Software Foundation; either version 2 of the
+ *     License, or (at your option) any later version.
+ *
+ *     This file is distributed in the hope that it will be useful,
+ *     but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *     GNU General Public License for more details.
+ *
+ * Or, alternatively,
+ *
+ *  b) Permission is hereby granted, free of charge, to any person
+ *     obtaining a copy of this software and associated documentation
+ *     files (the "Software"), to deal in the Software without
+ *     restriction, including without limitation the rights to use,
+ *     copy, modify, merge, publish, distribute, sublicense, and/or
+ *     sell copies of the Software, and to permit persons to whom the
+ *     Software is furnished to do so, subject to the following
+ *     conditions:
+ *
+ *     The above copyright notice and this permission notice shall be
+ *     included in all copies or substantial portions of the Software.
+ *
+ *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+ *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+ *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ *     OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/dts-v1/;
+#include "sun7i-a20.dtsi"
+#include "sunxi-common-regulators.dtsi"
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/pinctrl/sun4i-a10.h>
+
+/ {
+	model = "Olimex A20-Olimex-SOM-EVB";
+	compatible = "olimex,a20-olimex-som-evb", "allwinner,sun7i-a20";
+
+	aliases {
+		serial0 = &uart0;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	leds {
+		compatible = "gpio-leds";
+		pinctrl-names = "default";
+		pinctrl-0 = <&led_pins_olimex_som_evb>;
+
+		green {
+			label = "a20-olimex-som-evb:green:usr";
+			gpios = <&pio 7 2 GPIO_ACTIVE_HIGH>;
+			default-state = "on";
+		};
+	};
+
+	reg_axp_ipsout: axp_ipsout {
+		compatible = "regulator-fixed";
+		regulator-name = "axp-ipsout";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		regulator-always-on;
+	};
+};
+
+&ahci {
+	target-supply = <&reg_ahci_5v>;
+	status = "okay";
+};
+
+&ehci0 {
+	status = "okay";
+};
+
+&ehci1 {
+	status = "okay";
+};
+
+&gmac {
+	pinctrl-names = "default";
+	pinctrl-0 = <&gmac_pins_rgmii_a>;
+	phy = <&phy1>;
+	phy-mode = "rgmii";
+	status = "okay";
+
+	phy1: ethernet-phy@1 {
+		reg = <1>;
+	};
+};
+
+&i2c0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&i2c0_pins_a>;
+	status = "okay";
+
+	axp209: pmic@34 {
+		reg = <0x34>;
+		interrupt-parent = <&nmi_intc>;
+		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
+	};
+};
+
+&i2c1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&i2c1_pins_a>;
+	status = "okay";
+};
+
+&mmc0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_reference_design>;
+	vmmc-supply = <&reg_vcc3v3>;
+	bus-width = <4>;
+	cd-gpios = <&pio 7 1 GPIO_ACTIVE_HIGH>; /* PH1 */
+	cd-inverted;
+	status = "okay";
+};
+
+&ohci0 {
+	status = "okay";
+};
+
+&ohci1 {
+	status = "okay";
+};
+
+&otg_sram {
+	status = "okay";
+};
+
+&pio {
+	ahci_pwr_pin_olimex_som_evb: ahci_pwr_pin@1 {
+		allwinner,pins = "PC3";
+		allwinner,function = "gpio_out";
+		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
+		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
+	};
+
+	led_pins_olimex_som_evb: led_pins@0 {
+		allwinner,pins = "PH2";
+		allwinner,function = "gpio_out";
+		allwinner,drive = <SUN4I_PINCTRL_20_MA>;
+		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
+	};
+
+	usb0_id_detect_pin: usb0_id_detect_pin@0 {
+		allwinner,pins = "PH04";
+		allwinner,function = "gpio_in";
+		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
+		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
+	};
+
+	usb0_vbus_detect_pin: usb0_vbus_detect_pin@0 {
+		allwinner,pins = "PH05";
+		allwinner,function = "gpio_in";
+		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
+		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
+	};
+};
+
+&reg_ahci_5v {
+	pinctrl-0 = <&ahci_pwr_pin_olimex_som_evb>;
+	gpio = <&pio 2 3 GPIO_ACTIVE_HIGH>;
+	status = "okay";
+};
+
+#include "axp209.dtsi"
+
+&reg_dcdc2 {
+	regulator-always-on;
+	regulator-min-microvolt = <1000000>;
+	regulator-max-microvolt = <1425000>;
+	regulator-name = "vdd-cpu";
+};
+
+&reg_dcdc3 {
+	regulator-always-on;
+	regulator-min-microvolt = <1000000>;
+	regulator-max-microvolt = <1400000>;
+	regulator-name = "vdd-int-dll";
+};
+
+&reg_ldo1 {
+	regulator-name = "vdd-rtc";
+};
+
+&reg_ldo2 {
+	regulator-always-on;
+	regulator-min-microvolt = <3000000>;
+	regulator-max-microvolt = <3000000>;
+	regulator-name = "avcc";
+};
+
+&reg_usb0_vbus {
+	status = "okay";
+};
+
+&reg_usb1_vbus {
+	status = "okay";
+};
+
+&reg_usb2_vbus {
+	status = "okay";
+};
+
+&uart0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart0_pins_a>;
+	status = "okay";
+};
+
+&usb_otg {
+	dr_mode = "otg";
+	status = "okay";
+};
+
+&usbphy {
+	pinctrl-names = "default";
+	pinctrl-0 = <&usb0_id_detect_pin>, <&usb0_vbus_detect_pin>;
+	usb0_id_det-gpios = <&pio 7 04 GPIO_ACTIVE_HIGH>; /* PH04 */
+	usb0_vbus_det-gpios = <&pio 7 05 GPIO_ACTIVE_HIGH>; /* PH05 */
+	usb0_vbus-supply = <&reg_usb0_vbus>;
+	usb1_vbus-supply = <&reg_usb1_vbus>;
+	usb2_vbus-supply = <&reg_usb2_vbus>;
+	status = "okay";
+};
diff --git a/arch/arm/dts/sun8i-a23-gt90h-v4.dts b/arch/arm/dts/sun8i-a23-gt90h-v4.dts
new file mode 100644
index 0000000000..1aeb06c649
--- /dev/null
+++ b/arch/arm/dts/sun8i-a23-gt90h-v4.dts
@@ -0,0 +1,145 @@
+/*
+ * Copyright 2015 Hans de Goede <hdegoede@redhat.com>
+ *
+ * This file is dual-licensed: you can use it either under the terms
+ * of the GPL or the X11 license, at your option. Note that this dual
+ * licensing only applies to this file, and not this project as a
+ * whole.
+ *
+ *  a) This file is free software; you can redistribute it and/or
+ *     modify it under the terms of the GNU General Public License as
+ *     published by the Free Software Foundation; either version 2 of the
+ *     License, or (at your option) any later version.
+ *
+ *     This file is distributed in the hope that it will be useful,
+ *     but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *     GNU General Public License for more details.
+ *
+ * Or, alternatively,
+ *
+ *  b) Permission is hereby granted, free of charge, to any person
+ *     obtaining a copy of this software and associated documentation
+ *     files (the "Software"), to deal in the Software without
+ *     restriction, including without limitation the rights to use,
+ *     copy, modify, merge, publish, distribute, sublicense, and/or
+ *     sell copies of the Software, and to permit persons to whom the
+ *     Software is furnished to do so, subject to the following
+ *     conditions:
+ *
+ *     The above copyright notice and this permission notice shall be
+ *     included in all copies or substantial portions of the Software.
+ *
+ *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+ *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+ *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ *     OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/dts-v1/;
+#include "sun8i-a23.dtsi"
+#include "sunxi-common-regulators.dtsi"
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/pinctrl/sun4i-a10.h>
+
+/ {
+	model = "Allwinner GT90H Quad Core Tablet (v4)";
+	compatible = "allwinner,gt90h-v4", "allwinner,sun8i-a33";
+
+	aliases {
+		serial0 = &r_uart;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+};
+
+&ehci0 {
+	status = "okay";
+};
+
+&i2c0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&i2c0_pins_a>;
+	status = "okay";
+};
+
+&i2c1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&i2c1_pins_a>;
+	status = "okay";
+};
+
+&lradc {
+	vref-supply = <&reg_vcc3v0>;
+	status = "okay";
+
+	button@200 {
+		label = "Volume Up";
+		linux,code = <KEY_VOLUMEUP>;
+		channel = <0>;
+		voltage = <200000>;
+	};
+
+	button@400 {
+		label = "Volume Down";
+		linux,code = <KEY_VOLUMEDOWN>;
+		channel = <0>;
+		voltage = <400000>;
+	};
+
+	button@600 {
+		label = "Back";
+		linux,code = <KEY_BACK>;
+		channel = <0>;
+		voltage = <600000>;
+	};
+};
+
+&mmc0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_gt90h>;
+	/* FIXME this really is aldo1, correct once we've pmic support */
+	vmmc-supply = <&reg_vcc3v0>;
+	bus-width = <4>;
+	cd-gpios = <&pio 1 4 GPIO_ACTIVE_HIGH>; /* PB4 */
+	cd-inverted;
+	status = "okay";
+};
+
+&pio {
+	mmc0_cd_pin_gt90h: mmc0_cd_pin@0 {
+		allwinner,pins = "PB4";
+		allwinner,function = "gpio_in";
+		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
+		allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
+	};
+};
+
+&r_uart {
+	pinctrl-names = "default";
+	pinctrl-0 = <&r_uart_pins_a>;
+	status = "okay";
+};
+
+/*
+ * FIXME for now we only support host mode and rely on u-boot to have
+ * turned on Vbus which is controlled by the axp223 pmic on the board.
+ *
+ * Once we have axp223 support we should switch to fully supporting otg.
+ */
+&usb_otg {
+	dr_mode = "host";
+	status = "okay";
+};
+
+&usbphy {
+	status = "okay";
+};
diff --git a/arch/arm/include/asm/arch-sunxi/tzpc.h b/arch/arm/include/asm/arch-sunxi/tzpc.h
new file mode 100644
index 0000000000..ba4d43bc3a
--- /dev/null
+++ b/arch/arm/include/asm/arch-sunxi/tzpc.h
@@ -0,0 +1,23 @@
+/*
+ * (C) Copyright 2015 Chen-Yu Tsai <wens@csie.org>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef _SUNXI_TZPC_H
+#define _SUNXI_TZPC_H
+
+#ifndef __ASSEMBLY__
+struct sunxi_tzpc {
+	u32 r0size;		/* 0x00 Size of secure RAM region */
+	u32 decport0_status;	/* 0x04 Status of decode protection port 0 */
+	u32 decport0_set;	/* 0x08 Set decode protection port 0 */
+	u32 decport0_clear;	/* 0x0c Clear decode protection port 0 */
+};
+#endif
+
+#define SUNXI_TZPC_DECPORT0_RTC	(1 << 1)
+
+void tzpc_init(void);
+
+#endif /* _SUNXI_TZPC_H */
diff --git a/board/sunxi/Kconfig b/board/sunxi/Kconfig
index fd6668fea2..55906b5b76 100644
--- a/board/sunxi/Kconfig
+++ b/board/sunxi/Kconfig
@@ -425,6 +425,7 @@ config VIDEO_LCD_MODE
 	LCD panel timing details string, leave empty if there is no LCD panel.
 	This is in drivers/video/videomodes.c: video_get_params() format, e.g.
 	x:800,y:480,depth:18,pclk_khz:33000,le:16,ri:209,up:22,lo:22,hs:30,vs:1,sync:0,vmode:0
+	Also see: http://linux-sunxi.org/LCD
 
 config VIDEO_LCD_DCLK_PHASE
 	int "LCD panel display clock phase"
diff --git a/board/sunxi/MAINTAINERS b/board/sunxi/MAINTAINERS
index 1b44ce8e09..3a4d1fbfb8 100644
--- a/board/sunxi/MAINTAINERS
+++ b/board/sunxi/MAINTAINERS
@@ -8,9 +8,9 @@ F:	configs/ba10_tv_box_defconfig
 F:	configs/Chuwi_V7_CW0825_defconfig
 F:	configs/Cubieboard_defconfig
 F:	configs/Hyundai_A7HD_defconfig
+F:	configs/inet97fv2_defconfig
 F:	configs/jesurun_q5_defconfig
 F:	configs/Mele_A1000_defconfig
-F:	configs/Mele_A1000G_quad_defconfig
 F:	configs/Mele_M3_defconfig
 F:	configs/Mini-X_defconfig
 F:	configs/mk802_defconfig
@@ -21,11 +21,13 @@ F:	configs/A13-OLinuXino_defconfig
 F:	configs/A13-OLinuXinoM_defconfig
 F:	configs/Auxtek-T003_defconfig
 F:	configs/Auxtek-T004_defconfig
+F:	configs/inet98v_rev2_defconfig
 F:	configs/mk802_a10s_defconfig
 F:	configs/r7-tv-dongle_defconfig
 F:	configs/UTOO_P66_defconfig
 F:	include/configs/sun6i.h
 F:	configs/CSQ_CS908_defconfig
+F:	configs/Mele_A1000G_quad_defconfig
 F:	configs/Mele_M9_defconfig
 F:	include/configs/sun7i.h
 F:	configs/A20-OLinuXino_MICRO_defconfig
@@ -40,11 +42,17 @@ F:	configs/qt840a_defconfig
 F:	configs/Wits_Pro_A20_DKT_defconfig
 F:	include/configs/sun8i.h
 F:	configs/ga10h_v1_1_defconfig
+F:	configs/gt90h_v4_defconfig
 F:	configs/Ippo_q8h_v1_2_defconfig
 F:	configs/Ippo_q8h_v1_2_a33_1024x600_defconfig
 F:	include/configs/sun9i.h
 F:	configs/Merrii_A80_Optimus_defconfig
 
+A20-OLIMEX-SOM-EVB BOARD
+M:	Marcus Cooper <codekipper@gmail.com>
+S:	Maintained
+F:	configs/A20-Olimex-SOM-EVB_defconfig
+
 A20-OLINUXINO-LIME BOARD
 M:	FUKAUMI Naoki <naobsd@gmail.com>
 S:	Maintained
diff --git a/board/sunxi/board.c b/board/sunxi/board.c
index f85e825891..9c855f604d 100644
--- a/board/sunxi/board.c
+++ b/board/sunxi/board.c
@@ -31,6 +31,7 @@
 #include <asm/arch/usb_phy.h>
 #include <asm/gpio.h>
 #include <asm/io.h>
+#include <nand.h>
 #include <net.h>
 
 #if defined CONFIG_VIDEO_LCD_PANEL_I2C && !(defined CONFIG_SPL_BUILD)
@@ -107,26 +108,44 @@ int dram_init(void)
 	return 0;
 }
 
-#if defined(CONFIG_SPL_NAND_SUNXI) && defined(CONFIG_SPL_BUILD)
+#if defined(CONFIG_NAND_SUNXI) && defined(CONFIG_SPL_BUILD)
 static void nand_pinmux_setup(void)
 {
 	unsigned int pin;
-	for (pin = SUNXI_GPC(0); pin <= SUNXI_GPC(6); pin++)
+
+	for (pin = SUNXI_GPC(0); pin <= SUNXI_GPC(19); pin++)
 		sunxi_gpio_set_cfgpin(pin, SUNXI_GPC_NAND);
 
-	for (pin = SUNXI_GPC(8); pin <= SUNXI_GPC(22); pin++)
+#if defined CONFIG_MACH_SUN4I || defined CONFIG_MACH_SUN7I
+	for (pin = SUNXI_GPC(20); pin <= SUNXI_GPC(22); pin++)
 		sunxi_gpio_set_cfgpin(pin, SUNXI_GPC_NAND);
-
+#endif
+	/* sun4i / sun7i do have a PC23, but it is not used for nand,
+	 * only sun7i has a PC24 */
+#ifdef CONFIG_MACH_SUN7I
 	sunxi_gpio_set_cfgpin(SUNXI_GPC(24), SUNXI_GPC_NAND);
+#endif
 }
 
 static void nand_clock_setup(void)
 {
 	struct sunxi_ccm_reg *const ccm =
 		(struct sunxi_ccm_reg *)SUNXI_CCM_BASE;
+
 	setbits_le32(&ccm->ahb_gate0, (CLK_GATE_OPEN << AHB_GATE_OFFSET_NAND0));
+#ifdef CONFIG_MACH_SUN9I
+	setbits_le32(&ccm->ahb_gate1, (1 << AHB_GATE_OFFSET_DMA));
+#else
+	setbits_le32(&ccm->ahb_gate0, (1 << AHB_GATE_OFFSET_DMA));
+#endif
 	setbits_le32(&ccm->nand0_clk_cfg, CCM_NAND_CTRL_ENABLE | AHB_DIV_1);
 }
+
+void board_nand_init(void)
+{
+	nand_pinmux_setup();
+	nand_clock_setup();
+}
 #endif
 
 #ifdef CONFIG_GENERIC_MMC
@@ -437,7 +456,7 @@ void sunxi_board_init(void)
 #ifdef CONFIG_AXP221_POWER
 	power_failed = axp221_init();
 	power_failed |= axp221_set_dcdc1(CONFIG_AXP221_DCDC1_VOLT);
-	power_failed |= axp221_set_dcdc2(1200); /* A31:VDD-GPU, A23:VDD-SYS */
+	power_failed |= axp221_set_dcdc2(CONFIG_AXP221_DCDC2_VOLT);
 	power_failed |= axp221_set_dcdc3(1200); /* VDD-CPU */
 #ifdef CONFIG_MACH_SUN6I
 	power_failed |= axp221_set_dcdc4(1200); /* A31:VDD-SYS */
@@ -453,11 +472,6 @@ void sunxi_board_init(void)
 	power_failed |= axp221_set_eldo(3, CONFIG_AXP221_ELDO3_VOLT);
 #endif
 
-#ifdef CONFIG_SPL_NAND_SUNXI
-	nand_pinmux_setup();
-	nand_clock_setup();
-#endif
-
 	printf("DRAM:");
 	ramsize = sunxi_dram_init();
 	printf(" %lu MiB\n", ramsize >> 20);
diff --git a/configs/A10-OLinuXino-Lime_defconfig b/configs/A10-OLinuXino-Lime_defconfig
index 0245bfc763..ee219f82fd 100644
--- a/configs/A10-OLinuXino-Lime_defconfig
+++ b/configs/A10-OLinuXino-Lime_defconfig
@@ -3,6 +3,7 @@ CONFIG_ARCH_SUNXI=y
 CONFIG_MACH_SUN4I=y
 CONFIG_DRAM_CLK=480
 CONFIG_DRAM_EMR1=4
+CONFIG_MMC0_CD_PIN="PH1"
 CONFIG_SYS_CLK_FREQ=912000000
 CONFIG_DEFAULT_DEVICE_TREE="sun4i-a10-olinuxino-lime"
 # CONFIG_SYS_MALLOC_CLEAR_ON_INIT is not set
diff --git a/configs/A13-OLinuXinoM_defconfig b/configs/A13-OLinuXinoM_defconfig
index dcaaff9220..ccf35c784c 100644
--- a/configs/A13-OLinuXinoM_defconfig
+++ b/configs/A13-OLinuXinoM_defconfig
@@ -3,11 +3,11 @@ CONFIG_ARCH_SUNXI=y
 CONFIG_MACH_SUN5I=y
 CONFIG_DRAM_CLK=408
 CONFIG_DRAM_EMR1=0
+CONFIG_MMC0_CD_PIN="PG0"
 CONFIG_USB1_VBUS_PIN="PG11"
 # CONFIG_VIDEO_HDMI is not set
 CONFIG_VIDEO_VGA_VIA_LCD=y
 CONFIG_VIDEO_VGA_VIA_LCD_FORCE_SYNC_ACTIVE_HIGH=y
-CONFIG_VIDEO_LCD_MODE="x:800,y:480,depth:18,pclk_khz:33000,le:16,ri:209,up:22,lo:22,hs:30,vs:1,sync:3,vmode:0"
 CONFIG_VIDEO_LCD_POWER="PB10"
 CONFIG_VIDEO_LCD_BL_PWM="PB2"
 CONFIG_DEFAULT_DEVICE_TREE="sun5i-a13-olinuxino-micro"
diff --git a/configs/A13-OLinuXino_defconfig b/configs/A13-OLinuXino_defconfig
index 4b4337223c..1f68d98cba 100644
--- a/configs/A13-OLinuXino_defconfig
+++ b/configs/A13-OLinuXino_defconfig
@@ -3,12 +3,12 @@ CONFIG_ARCH_SUNXI=y
 CONFIG_MACH_SUN5I=y
 CONFIG_DRAM_CLK=408
 CONFIG_DRAM_EMR1=0
+CONFIG_MMC0_CD_PIN="PG0"
 CONFIG_USB1_VBUS_PIN="PG11"
 CONFIG_AXP_GPIO=y
 # CONFIG_VIDEO_HDMI is not set
 CONFIG_VIDEO_VGA_VIA_LCD=y
 CONFIG_VIDEO_VGA_VIA_LCD_FORCE_SYNC_ACTIVE_HIGH=y
-CONFIG_VIDEO_LCD_MODE="x:800,y:480,depth:18,pclk_khz:33000,le:16,ri:209,up:22,lo:22,hs:30,vs:1,sync:3,vmode:0"
 CONFIG_VIDEO_LCD_POWER="AXP0-0"
 CONFIG_VIDEO_LCD_BL_PWM="PB2"
 CONFIG_DEFAULT_DEVICE_TREE="sun5i-a13-olinuxino"
diff --git a/configs/A20-OLinuXino-Lime_defconfig b/configs/A20-OLinuXino-Lime_defconfig
index fb1f24002c..4a257b3d35 100644
--- a/configs/A20-OLinuXino-Lime_defconfig
+++ b/configs/A20-OLinuXino-Lime_defconfig
@@ -2,6 +2,7 @@ CONFIG_ARM=y
 CONFIG_ARCH_SUNXI=y
 CONFIG_MACH_SUN7I=y
 CONFIG_DRAM_CLK=480
+CONFIG_MMC0_CD_PIN="PH1"
 CONFIG_DEFAULT_DEVICE_TREE="sun7i-a20-olinuxino-lime"
 # CONFIG_SYS_MALLOC_CLEAR_ON_INIT is not set
 CONFIG_SPL=y
diff --git a/configs/A20-Olimex-SOM-EVB_defconfig b/configs/A20-Olimex-SOM-EVB_defconfig
new file mode 100644
index 0000000000..e8c3d18db9
--- /dev/null
+++ b/configs/A20-Olimex-SOM-EVB_defconfig
@@ -0,0 +1,16 @@
+CONFIG_ARM=y
+CONFIG_ARCH_SUNXI=y
+CONFIG_MACH_SUN7I=y
+CONFIG_DRAM_CLK=480
+CONFIG_MMC0_CD_PIN="PH1"
+CONFIG_USB0_VBUS_PIN="PB9"
+CONFIG_USB0_VBUS_DET="PH5"
+CONFIG_DEFAULT_DEVICE_TREE="sun7i-a20-olimex-som-evb"
+# CONFIG_SYS_MALLOC_CLEAR_ON_INIT is not set
+CONFIG_SPL=y
+CONFIG_SYS_EXTRA_OPTIONS="AXP209_POWER,SUNXI_GMAC,RGMII,AHCI,SATAPWR=SUNXI_GPC(3)"
+# CONFIG_CMD_IMLS is not set
+# CONFIG_CMD_FLASH is not set
+# CONFIG_CMD_FPGA is not set
+CONFIG_ETH_DESIGNWARE=y
+CONFIG_USB_EHCI_HCD=y
diff --git a/configs/Ampe_A76_defconfig b/configs/Ampe_A76_defconfig
index e3f44f6262..57ff52da95 100644
--- a/configs/Ampe_A76_defconfig
+++ b/configs/Ampe_A76_defconfig
@@ -5,6 +5,7 @@ CONFIG_DRAM_CLK=432
 CONFIG_MMC0_CD_PIN="PG0"
 CONFIG_USB0_VBUS_PIN="PG12"
 CONFIG_USB0_VBUS_DET="PG1"
+CONFIG_USB0_ID_DET="PG2"
 CONFIG_AXP_GPIO=y
 # CONFIG_VIDEO_HDMI is not set
 CONFIG_VIDEO_LCD_MODE="x:800,y:480,depth:18,pclk_khz:33000,le:45,ri:82,up:22,lo:22,hs:1,vs:1,sync:3,vmode:0"
diff --git a/configs/Cubieboard_defconfig b/configs/Cubieboard_defconfig
index fa60ddf415..bbda5bfa5c 100644
--- a/configs/Cubieboard_defconfig
+++ b/configs/Cubieboard_defconfig
@@ -2,6 +2,7 @@ CONFIG_ARM=y
 CONFIG_ARCH_SUNXI=y
 CONFIG_MACH_SUN4I=y
 CONFIG_DRAM_CLK=480
+CONFIG_MMC0_CD_PIN="PH1"
 CONFIG_DEFAULT_DEVICE_TREE="sun4i-a10-cubieboard"
 # CONFIG_SYS_MALLOC_CLEAR_ON_INIT is not set
 CONFIG_SPL=y
diff --git a/configs/Cubietruck_defconfig b/configs/Cubietruck_defconfig
index b8809c806b..e1b76ce78c 100644
--- a/configs/Cubietruck_defconfig
+++ b/configs/Cubietruck_defconfig
@@ -2,6 +2,7 @@ CONFIG_ARM=y
 CONFIG_ARCH_SUNXI=y
 CONFIG_MACH_SUN7I=y
 CONFIG_DRAM_CLK=432
+CONFIG_MMC0_CD_PIN="PH1"
 CONFIG_VIDEO_VGA=y
 CONFIG_GMAC_TX_DELAY=1
 CONFIG_DEFAULT_DEVICE_TREE="sun7i-a20-cubietruck"
diff --git a/configs/gt90h_v4_defconfig b/configs/gt90h_v4_defconfig
new file mode 100644
index 0000000000..3b72dc2e6d
--- /dev/null
+++ b/configs/gt90h_v4_defconfig
@@ -0,0 +1,26 @@
+CONFIG_ARM=y
+CONFIG_ARCH_SUNXI=y
+CONFIG_MACH_SUN8I_A23=y
+CONFIG_DRAM_CLK=480
+CONFIG_DRAM_ZQ=32767
+CONFIG_MMC0_CD_PIN="PB4"
+CONFIG_USB0_VBUS_PIN="AXP0-VBUS-ENABLE"
+CONFIG_USB0_VBUS_DET="AXP0-VBUS-DETECT"
+CONFIG_USB0_ID_DET="PH8"
+CONFIG_AXP_GPIO=y
+CONFIG_VIDEO_LCD_MODE="x:1024,y:600,depth:18,pclk_khz:55000,le:159,ri:160,up:22,lo:12,hs:1,vs:1,sync:3,vmode:0"
+CONFIG_VIDEO_LCD_DCLK_PHASE=0
+CONFIG_VIDEO_LCD_POWER="PH7"
+CONFIG_VIDEO_LCD_BL_EN="PH6"
+CONFIG_VIDEO_LCD_BL_PWM="PH0"
+CONFIG_USB_MUSB_HOST=y
+CONFIG_DEFAULT_DEVICE_TREE="sun8i-a23-gt90h-v4"
+# CONFIG_SYS_MALLOC_CLEAR_ON_INIT is not set
+CONFIG_SPL=y
+CONFIG_SYS_EXTRA_OPTIONS="CONS_INDEX=5"
+# CONFIG_CMD_IMLS is not set
+# CONFIG_CMD_FLASH is not set
+# CONFIG_CMD_FPGA is not set
+CONFIG_AXP221_DCDC2_VOLT=1100
+CONFIG_AXP221_DLDO1_VOLT=3300
+CONFIG_AXP221_ALDO1_VOLT=3000
diff --git a/configs/inet97fv2_defconfig b/configs/inet97fv2_defconfig
new file mode 100644
index 0000000000..d7ddee13ff
--- /dev/null
+++ b/configs/inet97fv2_defconfig
@@ -0,0 +1,20 @@
+CONFIG_ARM=y
+CONFIG_ARCH_SUNXI=y
+CONFIG_MACH_SUN4I=y
+CONFIG_DRAM_CLK=408
+CONFIG_DRAM_EMR1=4
+CONFIG_USB0_VBUS_PIN="PB9"
+CONFIG_USB0_VBUS_DET="PH5"
+CONFIG_USB0_ID_DET="PH4"
+CONFIG_VIDEO_LCD_MODE="x:800,y:480,depth:24,pclk_khz:33000,le:45,ri:209,up:22,lo:22,hs:1,vs:1,sync:3,vmode:0"
+CONFIG_VIDEO_LCD_POWER="PH8"
+CONFIG_VIDEO_LCD_BL_EN="PH7"
+CONFIG_VIDEO_LCD_BL_PWM="PB2"
+CONFIG_USB_MUSB_HOST=y
+CONFIG_DEFAULT_DEVICE_TREE="sun4i-a10-inet97fv2"
+# CONFIG_SYS_MALLOC_CLEAR_ON_INIT is not set
+CONFIG_SPL=y
+CONFIG_SYS_EXTRA_OPTIONS="AXP209_POWER"
+# CONFIG_CMD_IMLS is not set
+# CONFIG_CMD_FLASH is not set
+# CONFIG_CMD_FPGA is not set
diff --git a/configs/inet98v_rev2_defconfig b/configs/inet98v_rev2_defconfig
new file mode 100644
index 0000000000..c23245adf9
--- /dev/null
+++ b/configs/inet98v_rev2_defconfig
@@ -0,0 +1,22 @@
+CONFIG_ARM=y
+CONFIG_ARCH_SUNXI=y
+CONFIG_MACH_SUN5I=y
+CONFIG_DRAM_CLK=432
+CONFIG_MMC0_CD_PIN="PG0"
+CONFIG_USB0_VBUS_PIN="PG12"
+CONFIG_USB0_VBUS_DET="PG1"
+CONFIG_USB0_ID_DET="PG2"
+CONFIG_AXP_GPIO=y
+# CONFIG_VIDEO_HDMI is not set
+CONFIG_VIDEO_LCD_MODE="x:800,y:480,depth:18,pclk_khz:33000,le:45,ri:209,up:22,lo:22,hs:1,vs:1,sync:3,vmode:0"
+CONFIG_VIDEO_LCD_POWER="AXP0-0"
+CONFIG_VIDEO_LCD_BL_EN="AXP0-1"
+CONFIG_VIDEO_LCD_BL_PWM="PB2"
+CONFIG_USB_MUSB_HOST=y
+CONFIG_DEFAULT_DEVICE_TREE="sun5i-a13-inet-98v-rev2"
+# CONFIG_SYS_MALLOC_CLEAR_ON_INIT is not set
+CONFIG_SPL=y
+CONFIG_SYS_EXTRA_OPTIONS="CONS_INDEX=2,AXP209_POWER"
+# CONFIG_CMD_IMLS is not set
+# CONFIG_CMD_FLASH is not set
+# CONFIG_CMD_FPGA is not set
diff --git a/drivers/mmc/sunxi_mmc.c b/drivers/mmc/sunxi_mmc.c
index f9b9493c89..25f18adb67 100644
--- a/drivers/mmc/sunxi_mmc.c
+++ b/drivers/mmc/sunxi_mmc.c
@@ -257,9 +257,11 @@ static int mmc_trans_data_by_cpu(struct mmc *mmc, struct mmc_data *data)
 	const uint32_t status_bit = reading ? SUNXI_MMC_STATUS_FIFO_EMPTY :
 					      SUNXI_MMC_STATUS_FIFO_FULL;
 	unsigned i;
-	unsigned byte_cnt = data->blocksize * data->blocks;
-	unsigned timeout_msecs = 2000;
 	unsigned *buff = (unsigned int *)(reading ? data->dest : data->src);
+	unsigned byte_cnt = data->blocksize * data->blocks;
+	unsigned timeout_msecs = byte_cnt >> 8;
+	if (timeout_msecs < 2000)
+		timeout_msecs = 2000;
 
 	/* Always read / write data through the CPU */
 	setbits_le32(&mmchost->reg->gctrl, SUNXI_MMC_GCTRL_ACCESS_BY_AHB);
diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig
index b6dfb0e835..9a74064c98 100644
--- a/drivers/mtd/nand/Kconfig
+++ b/drivers/mtd/nand/Kconfig
@@ -63,6 +63,14 @@ config NAND_PXA3XX
 	  This enables the driver for the NAND flash device found on
 	  PXA3xx processors (NFCv1) and also on Armada 370/XP (NFCv2).
 
+config NAND_SUNXI
+	bool "Support for NAND on Allwinner SoCs in SPL"
+	depends on MACH_SUN4I || MACH_SUN5I || MACH_SUN7I
+	select SYS_NAND_SELF_INIT
+	---help---
+	Enable support for NAND. This option allows SPL to read from
+	sunxi NAND using DMA transfers.
+
 comment "Generic NAND options"
 
 # Enhance depends when converting drivers to Kconfig which use this config
@@ -84,6 +92,15 @@ config SYS_NAND_BUSWIDTH_16BIT
 	    not available while configuring controller. So a static CONFIG_NAND_xx
 	    is needed to know the device's bus-width in advance.
 
+# Enhance depends when converting drivers to Kconfig which use this config
+config SYS_NAND_U_BOOT_OFFS
+	hex "Location in NAND to read U-Boot from"
+	default 0x8000 if NAND_SUNXI
+	depends on NAND_SUNXI
+	help
+	Set the offset from the start of the nand where u-boot should be
+	loaded from.
+
 if SPL
 
 config SPL_NAND_DENALI
@@ -92,46 +109,6 @@ config SPL_NAND_DENALI
 	  This is a small implementation of the Denali NAND controller
 	  for use on SPL.
 
-config SPL_NAND_SUNXI
-	bool "Support for NAND on Allwinner A20 in SPL"
-	depends on MACH_SUN7I
-	---help---
-	Enable support for NAND. This option allows SPL to read from
-	sunxi NAND using DMA transfers.
-	Depending on the NAND chip, values like ECC strength and page sizes
-	have to be configured.
-
-config NAND_SUNXI_SPL_SYNDROME_PARTITIONS_END
-	hex "Size of syndrome partitions in sunxi NAND"
-	default 0x400000
-	depends on SPL_NAND_SUNXI
-	---help---
-	End address for boot partitions on NAND. Those partitions have a
-	different random seed that has to match the sunxi BROM setting.
-
-config NAND_SUNXI_SPL_ECC_STRENGTH
-	int "ECC Strength for sunxi NAND"
-	default 40
-	depends on SPL_NAND_SUNXI
-	---help---
-	ECC strength used by the sunxi NAND SPL driver. This is specific to the
-	chosen NAND chip and has to match the value used by the sunxi BROM.
-
-config NAND_SUNXI_SPL_ECC_PAGE_SIZE
-	hex "ECC page size for sunxi NAND"
-	default 0x400
-	depends on SPL_NAND_SUNXI
-	---help---
-	ECC page size used by the sunxi NAND SPL driver for syndrome partitions.
-	This setting has to match the value used by the sunxi BROM.
-
-config NAND_SUNXI_SPL_PAGE_SIZE
-	hex "Page size for sunxi NAND"
-	default 0x2000
-	depends on SPL_NAND_SUNXI
-	---help---
-	Page size of the NAND flash used by the sunxi NAND SPL driver. This is
-	specific to the chosen NAND chip.
 endif
 
 endmenu
diff --git a/drivers/mtd/nand/Makefile b/drivers/mtd/nand/Makefile
index 64d1675d0a..71c1a519e9 100644
--- a/drivers/mtd/nand/Makefile
+++ b/drivers/mtd/nand/Makefile
@@ -12,7 +12,6 @@ NORMAL_DRIVERS=y
 endif
 
 obj-$(CONFIG_SPL_NAND_AM33XX_BCH) += am335x_spl_bch.o
-obj-$(CONFIG_SPL_NAND_SUNXI) += sunxi_nand_spl.o
 obj-$(CONFIG_SPL_NAND_DENALI) += denali_spl.o
 obj-$(CONFIG_SPL_NAND_DOCG4) += docg4_spl.o
 obj-$(CONFIG_SPL_NAND_SIMPLE) += nand_spl_simple.o
@@ -77,5 +76,6 @@ obj-$(CONFIG_NAND_FSL_ELBC) += fsl_elbc_spl.o
 obj-$(CONFIG_NAND_FSL_IFC) += fsl_ifc_spl.o
 obj-$(CONFIG_NAND_MXC) += mxc_nand_spl.o
 obj-$(CONFIG_NAND_MXS) += mxs_nand_spl.o mxs_nand.o
+obj-$(CONFIG_NAND_SUNXI) += sunxi_nand_spl.o
 
 endif # drivers
diff --git a/drivers/mtd/nand/sunxi_nand_spl.c b/drivers/mtd/nand/sunxi_nand_spl.c
index ac5f56d066..bf9b1b1450 100644
--- a/drivers/mtd/nand/sunxi_nand_spl.c
+++ b/drivers/mtd/nand/sunxi_nand_spl.c
@@ -5,9 +5,10 @@
  * SPDX-License-Identifier:     GPL-2.0+
  */
 
+#include <asm/arch/clock.h>
+#include <asm/io.h>
 #include <common.h>
 #include <config.h>
-#include <asm/io.h>
 #include <nand.h>
 
 /* registers */
@@ -41,6 +42,8 @@
 #define NFC_CTL_EN                 (1 << 0)
 #define NFC_CTL_RESET              (1 << 1)
 #define NFC_CTL_RAM_METHOD         (1 << 14)
+#define NFC_CTL_PAGE_SIZE_MASK     (0xf << 8)
+#define NFC_CTL_PAGE_SIZE(a)       ((fls(a) - 11) << 8)
 
 
 #define NFC_ECC_EN                 (1 << 0)
@@ -64,7 +67,8 @@
 #define NFC_SEND_CMD3              (1 << 28)
 #define NFC_SEND_CMD4              (1 << 29)
 
-#define NFC_CMD_INT_FLAG           (1 << 1)
+#define NFC_ST_CMD_INT_FLAG        (1 << 1)
+#define NFC_ST_DMA_INT_FLAG        (1 << 2)
 
 #define NFC_READ_CMD_OFFSET         0
 #define NFC_RANDOM_READ_CMD0_OFFSET 8
@@ -85,6 +89,7 @@
 
 #define SUNXI_DMA_DDMA_CFG_REG_LOADING  (1 << 31)
 #define SUNXI_DMA_DDMA_CFG_REG_DMA_DEST_DATA_WIDTH_32 (2 << 25)
+#define SUNXI_DMA_DDMA_CFG_REG_DDMA_DST_DRQ_TYPE_DRAM (1 << 16)
 #define SUNXI_DMA_DDMA_CFG_REG_DMA_SRC_DATA_WIDTH_32 (2 << 9)
 #define SUNXI_DMA_DDMA_CFG_REG_DMA_SRC_ADDR_MODE_IO (1 << 5)
 #define SUNXI_DMA_DDMA_CFG_REG_DDMA_SRC_DRQ_TYPE_NFC (3 << 0)
@@ -94,10 +99,6 @@
 
 /* minimal "boot0" style NAND support for Allwinner A20 */
 
-/* temporary buffer in internal ram */
-unsigned char temp_buf[CONFIG_NAND_SUNXI_SPL_ECC_PAGE_SIZE]
-	__aligned(0x10) __section(".text#");
-
 /* random seed used by linux */
 const uint16_t random_seed[128] = {
 	0x2b75, 0x0bd0, 0x5ca3, 0x62d1, 0x1c93, 0x07e9, 0x2162, 0x3a72,
@@ -156,6 +157,8 @@ void nand_init(void)
 {
 	uint32_t val;
 
+	board_nand_init();
+
 	val = readl(SUNXI_NFC_BASE + NFC_CTL);
 	/* enable and reset CTL */
 	writel(val | NFC_CTL_EN | NFC_CTL_RESET,
@@ -165,86 +168,49 @@ void nand_init(void)
 				 NFC_CTL_RESET, MAX_RETRIES)) {
 		printf("Couldn't initialize nand\n");
 	}
+
+	/* reset NAND */
+	writel(NFC_ST_CMD_INT_FLAG, SUNXI_NFC_BASE + NFC_ST);
+	writel(NFC_SEND_CMD1 | NFC_WAIT_FLAG | NAND_CMD_RESET,
+	       SUNXI_NFC_BASE + NFC_CMD);
+
+	if (!check_value(SUNXI_NFC_BASE + NFC_ST, NFC_ST_CMD_INT_FLAG,
+			 MAX_RETRIES)) {
+		printf("Error timeout waiting for nand reset\n");
+		return;
+	}
+	writel(NFC_ST_CMD_INT_FLAG, SUNXI_NFC_BASE + NFC_ST);
 }
 
-static void nand_read_page(unsigned int real_addr, int syndrome,
-			   uint32_t *ecc_errors)
+static int nand_read_page(int page_size, int ecc_strength, int ecc_page_size,
+	int addr_cycles, uint32_t real_addr, dma_addr_t dst, int syndrome)
 {
 	uint32_t val;
-	int ecc_off = 0;
+	int i, ecc_off = 0;
 	uint16_t ecc_mode = 0;
 	uint16_t rand_seed;
 	uint32_t page;
 	uint16_t column;
-	uint32_t oob_offset;
+	static const u8 strengths[] = { 16, 24, 28, 32, 40, 48, 56, 60, 64 };
 
-	switch (CONFIG_NAND_SUNXI_SPL_ECC_STRENGTH) {
-	case 16:
-		ecc_mode = 0;
-		ecc_off = 0x20;
-		break;
-	case 24:
-		ecc_mode = 1;
-		ecc_off = 0x2e;
-		break;
-	case 28:
-		ecc_mode = 2;
-		ecc_off = 0x32;
-		break;
-	case 32:
-		ecc_mode = 3;
-		ecc_off = 0x3c;
-		break;
-	case 40:
-		ecc_mode = 4;
-		ecc_off = 0x4a;
-		break;
-	case 48:
-		ecc_mode = 4;
-		ecc_off = 0x52;
-		break;
-	case 56:
-		ecc_mode = 4;
-		ecc_off = 0x60;
-		break;
-	case 60:
-		ecc_mode = 4;
-		ecc_off = 0x0;
-		break;
-	case 64:
-		ecc_mode = 4;
-		ecc_off = 0x0;
-		break;
-	default:
-		ecc_mode = 0;
-		ecc_off = 0;
+	for (i = 0; i < ARRAY_SIZE(strengths); i++) {
+		if (ecc_strength == strengths[i]) {
+			ecc_mode = i;
+			break;
+		}
 	}
 
-	if (ecc_off == 0) {
-		printf("Unsupported ECC strength (%d)!\n",
-		       CONFIG_NAND_SUNXI_SPL_ECC_STRENGTH);
-		return;
-	}
+	/* HW ECC always request ECC bytes for 1024 bytes blocks */
+	ecc_off = DIV_ROUND_UP(ecc_strength * fls(8 * 1024), 8);
+	/* HW ECC always work with even numbers of ECC bytes */
+	ecc_off += (ecc_off & 1);
+	ecc_off += 4; /* prepad */
 
-	/* clear temp_buf */
-	memset(temp_buf, 0, CONFIG_NAND_SUNXI_SPL_ECC_PAGE_SIZE);
-
-	/* set CMD  */
-	writel(NFC_SEND_CMD1 | NFC_WAIT_FLAG | NAND_CMD_RESET,
-	       SUNXI_NFC_BASE + NFC_CMD);
-
-	if (!check_value(SUNXI_NFC_BASE + NFC_ST, NFC_CMD_INT_FLAG,
-			 MAX_RETRIES)) {
-		printf("Error while initilizing command interrupt\n");
-		return;
-	}
-
-	page = real_addr / CONFIG_NAND_SUNXI_SPL_PAGE_SIZE;
-	column = real_addr % CONFIG_NAND_SUNXI_SPL_PAGE_SIZE;
+	page = real_addr / page_size;
+	column = real_addr % page_size;
 
 	if (syndrome)
-		column += (column / CONFIG_NAND_SUNXI_SPL_ECC_PAGE_SIZE)
-			* ecc_off;
+		column += (column / ecc_page_size) * ecc_off;
 
 	/* clear ecc status */
 	writel(0, SUNXI_NFC_BASE + NFC_ECC_ST);
@@ -262,15 +228,11 @@ static void nand_read_page(unsigned int real_addr, int syndrome,
 	val = readl(SUNXI_NFC_BASE + NFC_CTL);
 	writel(val | NFC_CTL_RAM_METHOD, SUNXI_NFC_BASE + NFC_CTL);
 
-	if (syndrome) {
-		writel(CONFIG_NAND_SUNXI_SPL_ECC_PAGE_SIZE,
+	if (!syndrome)
+		writel(page_size + (column / ecc_page_size) * ecc_off,
 		       SUNXI_NFC_BASE + NFC_SPARE_AREA);
-	} else {
-		oob_offset = CONFIG_NAND_SUNXI_SPL_PAGE_SIZE
-			+ (column / CONFIG_NAND_SUNXI_SPL_ECC_PAGE_SIZE)
-			* ecc_off;
-		writel(oob_offset, SUNXI_NFC_BASE + NFC_SPARE_AREA);
-	}
+
+	flush_dcache_range(dst, ALIGN(dst + ecc_page_size, ARCH_DMA_MINALIGN));
 
 	/* SUNXI_DMA */
 	writel(0x0, SUNXI_DMA_BASE + SUNXI_DMA_CFG_REG0); /* clr dma cmd */
@@ -278,15 +240,15 @@ static void nand_read_page(unsigned int real_addr, int syndrome,
 	writel(SUNXI_NFC_BASE + NFC_IO_DATA,
 	       SUNXI_DMA_BASE + SUNXI_DMA_SRC_START_ADDR_REG0);
 	/* read to RAM */
-	writel((uint32_t)temp_buf,
-	       SUNXI_DMA_BASE + SUNXI_DMA_DEST_START_ADDRR_REG0);
+	writel(dst, SUNXI_DMA_BASE + SUNXI_DMA_DEST_START_ADDRR_REG0);
 	writel(SUNXI_DMA_DDMA_PARA_REG_SRC_WAIT_CYC
 			| SUNXI_DMA_DDMA_PARA_REG_SRC_BLK_SIZE,
 			SUNXI_DMA_BASE + SUNXI_DMA_DDMA_PARA_REG0);
-	writel(CONFIG_NAND_SUNXI_SPL_ECC_PAGE_SIZE,
+	writel(ecc_page_size,
 	       SUNXI_DMA_BASE + SUNXI_DMA_DDMA_BC_REG0); /* 1kB */
 	writel(SUNXI_DMA_DDMA_CFG_REG_LOADING
 		| SUNXI_DMA_DDMA_CFG_REG_DMA_DEST_DATA_WIDTH_32
+		| SUNXI_DMA_DDMA_CFG_REG_DDMA_DST_DRQ_TYPE_DRAM
 		| SUNXI_DMA_DDMA_CFG_REG_DMA_SRC_DATA_WIDTH_32
 		| SUNXI_DMA_DDMA_CFG_REG_DMA_SRC_ADDR_MODE_IO
 		| SUNXI_DMA_DDMA_CFG_REG_DDMA_SRC_DRQ_TYPE_NFC,
@@ -300,54 +262,134 @@ static void nand_read_page(unsigned int real_addr, int syndrome,
 	writel(((page & 0xFFFF) << 16) | column,
 	       SUNXI_NFC_BASE + NFC_ADDR_LOW);
 	writel((page >> 16) & 0xFF, SUNXI_NFC_BASE + NFC_ADDR_HIGH);
+	writel(NFC_ST_DMA_INT_FLAG, SUNXI_NFC_BASE + NFC_ST);
 	writel(NFC_SEND_CMD1 | NFC_SEND_CMD2 | NFC_DATA_TRANS |
-		NFC_PAGE_CMD | NFC_WAIT_FLAG | (4 << NFC_ADDR_NUM_OFFSET) |
+		NFC_PAGE_CMD | NFC_WAIT_FLAG |
+		((addr_cycles - 1) << NFC_ADDR_NUM_OFFSET) |
 		NFC_SEND_ADR | NFC_DATA_SWAP_METHOD | (syndrome ? NFC_SEQ : 0),
 		SUNXI_NFC_BASE + NFC_CMD);
 
-	if (!check_value(SUNXI_NFC_BASE + NFC_ST, (1 << 2),
+	if (!check_value(SUNXI_NFC_BASE + NFC_ST, NFC_ST_DMA_INT_FLAG,
 			 MAX_RETRIES)) {
 		printf("Error while initializing dma interrupt\n");
-		return;
+		return -1;
 	}
+	writel(NFC_ST_DMA_INT_FLAG, SUNXI_NFC_BASE + NFC_ST);
 
 	if (!check_value_negated(SUNXI_DMA_BASE + SUNXI_DMA_CFG_REG0,
 				 SUNXI_DMA_DDMA_CFG_REG_LOADING, MAX_RETRIES)) {
 		printf("Error while waiting for dma transfer to finish\n");
-		return;
+		return -1;
 	}
 
+	invalidate_dcache_range(dst,
+			        ALIGN(dst + ecc_page_size, ARCH_DMA_MINALIGN));
+
 	if (readl(SUNXI_NFC_BASE + NFC_ECC_ST))
-		(*ecc_errors)++;
+		return -1;
+
+	return 0;
+}
+
+static int nand_read_ecc(int page_size, int ecc_strength, int ecc_page_size,
+	int addr_cycles, uint32_t offs, uint32_t size, void *dest, int syndrome)
+{
+	void *end = dest + size;
+
+	clrsetbits_le32(SUNXI_NFC_BASE + NFC_CTL, NFC_CTL_PAGE_SIZE_MASK,
+			NFC_CTL_PAGE_SIZE(page_size));
+
+	for ( ;dest < end; dest += ecc_page_size, offs += ecc_page_size) {
+		if (nand_read_page(page_size, ecc_strength, ecc_page_size,
+				   addr_cycles, offs, (dma_addr_t)dest,
+				   syndrome))
+			return -1;
+	}
+
+	return 0;
+}
+
+static int nand_read_buffer(uint32_t offs, unsigned int size, void *dest,
+			    int syndrome)
+{
+	const struct {
+		int page_size;
+		int ecc_strength;
+		int ecc_page_size;
+		int addr_cycles;
+	} nand_configs[] = {
+		{  8192, 40, 1024, 5 },
+		{ 16384, 56, 1024, 5 },
+		{  8192, 24, 1024, 5 },
+	};
+	static int nand_config = -1;
+	int i;
+
+	if (nand_config == -1) {
+		for (i = 0; i < ARRAY_SIZE(nand_configs); i++) {
+			debug("nand: trying page %d ecc %d / %d addr %d: ",
+			      nand_configs[i].page_size,
+			      nand_configs[i].ecc_strength,
+			      nand_configs[i].ecc_page_size,
+			      nand_configs[i].addr_cycles);
+			if (nand_read_ecc(nand_configs[i].page_size,
+					  nand_configs[i].ecc_strength,
+					  nand_configs[i].ecc_page_size,
+					  nand_configs[i].addr_cycles,
+					  offs, size, dest, syndrome) == 0) {
+				debug("success\n");
+				nand_config = i;
+				return 0;
+			}
+			debug("failed\n");
+		}
+		return -1;
+	}
+
+	return nand_read_ecc(nand_configs[nand_config].page_size,
+			     nand_configs[nand_config].ecc_strength,
+			     nand_configs[nand_config].ecc_page_size,
+			     nand_configs[nand_config].addr_cycles,
+			     offs, size, dest, syndrome);
 }
 
 int nand_spl_load_image(uint32_t offs, unsigned int size, void *dest)
 {
-	void *current_dest;
-	uint32_t count;
-	uint32_t current_count;
-	uint32_t ecc_errors = 0;
+	const uint32_t boot_offsets[] = {
+		0 * 1024 * 1024 + CONFIG_SYS_NAND_U_BOOT_OFFS,
+		1 * 1024 * 1024 + CONFIG_SYS_NAND_U_BOOT_OFFS,
+		2 * 1024 * 1024 + CONFIG_SYS_NAND_U_BOOT_OFFS,
+		4 * 1024 * 1024 + CONFIG_SYS_NAND_U_BOOT_OFFS,
+	};
+	int i, syndrome;
 
-	memset(dest, 0x0, size); /* clean destination memory */
-	for (current_dest = dest;
-			current_dest < (dest + size);
-			current_dest += CONFIG_NAND_SUNXI_SPL_ECC_PAGE_SIZE) {
-		nand_read_page(offs, offs
-				< CONFIG_NAND_SUNXI_SPL_SYNDROME_PARTITIONS_END,
-			       &ecc_errors);
-		count = current_dest - dest;
+	if (CONFIG_SYS_NAND_U_BOOT_OFFS == CONFIG_SPL_PAD_TO)
+		syndrome = 1; /* u-boot-dtb.bin appended to SPL */
+	else
+		syndrome = 0; /* u-boot-dtb.bin on its own partition */
 
-		if (size - count > CONFIG_NAND_SUNXI_SPL_ECC_PAGE_SIZE)
-			current_count = CONFIG_NAND_SUNXI_SPL_ECC_PAGE_SIZE;
-		else
-			current_count = size - count;
-
-		memcpy(current_dest,
-		       temp_buf,
-		       current_count);
-		offs += CONFIG_NAND_SUNXI_SPL_ECC_PAGE_SIZE;
+	if (offs == CONFIG_SYS_NAND_U_BOOT_OFFS) {
+		for (i = 0; i < ARRAY_SIZE(boot_offsets); i++) {
+			if (nand_read_buffer(boot_offsets[i], size,
+					     dest, syndrome) == 0)
+				return 0;
+		}
+		return -1;
 	}
-	return ecc_errors ? -1 : 0;
+
+	return nand_read_buffer(offs, size, dest, syndrome);
 }
 
-void nand_deselect(void) {}
+void nand_deselect(void)
+{
+	struct sunxi_ccm_reg *const ccm =
+		(struct sunxi_ccm_reg *)SUNXI_CCM_BASE;
+
+	clrbits_le32(&ccm->ahb_gate0, (CLK_GATE_OPEN << AHB_GATE_OFFSET_NAND0));
+#ifdef CONFIG_MACH_SUN9I
+	clrbits_le32(&ccm->ahb_gate1, (1 << AHB_GATE_OFFSET_DMA));
+#else
+	clrbits_le32(&ccm->ahb_gate0, (1 << AHB_GATE_OFFSET_DMA));
+#endif
+	clrbits_le32(&ccm->nand0_clk_cfg, CCM_NAND_CTRL_ENABLE | AHB_DIV_1);
+}
diff --git a/drivers/power/Kconfig b/drivers/power/Kconfig
index 23cdd714ae..df5e3734b0 100644
--- a/drivers/power/Kconfig
+++ b/drivers/power/Kconfig
@@ -22,6 +22,15 @@ config AXP221_DCDC1_VOLT
 	things like GPIO-s, sdcard interfaces, etc. On most boards this is
 	undervolted to 3.0V to safe battery.
 
+config AXP221_DCDC2_VOLT
+	int "axp221 dcdc2 voltage"
+	depends on AXP221_POWER
+	default 1200
+	---help---
+	Set the voltage (mV) to program the axp221 dcdc2 at, set to 0 to
+	disable dcdc2. On A31 boards this is typically used for VDD-GPU,
+	on A23/A33 for VDD-SYS, this should normally be set to 1.2V.
+
 config AXP221_DLDO1_VOLT
 	int "axp221 dldo1 voltage"
 	depends on AXP221_POWER
diff --git a/drivers/usb/musb-new/Kconfig b/drivers/usb/musb-new/Kconfig
index 0082ff87f0..6a6cb93b4c 100644
--- a/drivers/usb/musb-new/Kconfig
+++ b/drivers/usb/musb-new/Kconfig
@@ -21,8 +21,6 @@ config USB_MUSB_SUNXI
 	default y
 	---help---
 	Say y here to enable support for the sunxi OTG / DRC USB controller
-	used on almost all sunxi boards. Note currently u-boot can only have
-	one usb host controller enabled at a time, so enabling this on boards
-	which also use the ehci host controller will result in build errors.
+	used on almost all sunxi boards.
 
 endif
diff --git a/include/configs/sunxi-common.h b/include/configs/sunxi-common.h
index 1abf73c311..48cc4ed6f6 100644
--- a/include/configs/sunxi-common.h
+++ b/include/configs/sunxi-common.h
@@ -137,16 +137,10 @@
 #define CONFIG_INITRD_TAG
 #define CONFIG_SERIAL_TAG
 
-#if defined(CONFIG_SPL_NAND_SUNXI)
-#define CONFIG_SPL_NAND_DRIVERS
-#define CONFIG_SPL_NAND_SUPPORT
-
-#define CONFIG_SYS_NAND_SPL_KERNEL_OFFS 0x280000
-#define CONFIG_SYS_NAND_U_BOOT_OFFS 0x008000
-
+#ifdef CONFIG_NAND_SUNXI
+#define CONFIG_SPL_NAND_SUPPORT 1
 #endif
 
-
 /* mmc config */
 #if !defined(CONFIG_UART0_PORT_F)
 #define CONFIG_MMC
@@ -185,7 +179,7 @@
 
 #define CONFIG_SYS_NO_FLASH
 
-#define CONFIG_SYS_MONITOR_LEN		(512 << 10)	/* 512 KiB */
+#define CONFIG_SYS_MONITOR_LEN		(768 << 10)	/* 768 KiB */
 #define CONFIG_IDENT_STRING		" Allwinner Technology"
 
 #define CONFIG_ENV_OFFSET		(544 << 10) /* (8 + 24 + 512) KiB */