[PATCH 1/2] Add out4.ru O4-iMX-NANO board
Oleh Kravchenko
oleg at kaa.org.ua
Wed May 5 15:03:17 CEST 2021
Board designed for quick prototyping and has one microSD port,
2 Ethernet ports, 2 USB ports, I2C, SPI, CAN, RS-485, GPIO,
UART interfaces, and 2 RGB LEDs.
Signed-off-by: Oleh Kravchenko <oleg at kaa.org.ua>
---
MAINTAINERS | 10 +
arch/arm/dts/Makefile | 3 +
arch/arm/dts/o4-imx-nano.dts | 241 ++++++++++++++++++
arch/arm/dts/o4-imx6ull-nano.dtsi | 87 +++++++
arch/arm/mach-imx/mx6/Kconfig | 13 +
.../out4/o4-imx6ull-nano/K4B4G1646D-BCMA.cfg | 91 +++++++
board/out4/o4-imx6ull-nano/Kconfig | 57 +++++
.../o4-imx6ull-nano/MT41K256M16HA-125E.cfg | 91 +++++++
board/out4/o4-imx6ull-nano/Makefile | 4 +
board/out4/o4-imx6ull-nano/o4-imx6ull-nano.c | 81 ++++++
configs/o4-imx6ull-nano_defconfig | 103 ++++++++
include/configs/o4-imx6ull-nano.h | 25 ++
12 files changed, 806 insertions(+)
create mode 100644 arch/arm/dts/o4-imx-nano.dts
create mode 100644 arch/arm/dts/o4-imx6ull-nano.dtsi
create mode 100644 board/out4/o4-imx6ull-nano/K4B4G1646D-BCMA.cfg
create mode 100644 board/out4/o4-imx6ull-nano/Kconfig
create mode 100644 board/out4/o4-imx6ull-nano/MT41K256M16HA-125E.cfg
create mode 100644 board/out4/o4-imx6ull-nano/Makefile
create mode 100644 board/out4/o4-imx6ull-nano/o4-imx6ull-nano.c
create mode 100644 configs/o4-imx6ull-nano_defconfig
create mode 100644 include/configs/o4-imx6ull-nano.h
diff --git a/MAINTAINERS b/MAINTAINERS
index c6dd9bf838..786476c016 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -916,6 +916,16 @@ S: Orphaned (Since 2017-01)
T: git https://source.denx.de/u-boot/custodians/u-boot-onenand.git
F: drivers/mtd/onenand/
+OUT4-IMX6ULL-NANO BOARD
+M: Oleh Kravchenko <oleg at kaa.org.ua>
+S: Maintained
+T: git https://github.com/Oleh-Kravchenko/u-boot-out4.git
+F: arch/arm/dts/o4-imx-nano.dts
+F: arch/arm/dts/o4-imx6ull-nano.dtsi
+F: board/out4
+F: configs/o4-imx6ull-nano_defconfig
+F: include/configs/o4-imx6ull-nano.h
+
PATMAN
M: Simon Glass <sjg at chromium.org>
S: Maintained
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 9a8de46272..0b2de37280 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -764,6 +764,9 @@ dtb-$(CONFIG_ARCH_MX6) += \
imx6-apalis.dtb \
imx6-colibri.dtb
+dtb-$(CONFIG_O4_IMX_NANO) += \
+ o4-imx-nano.dtb
+
dtb-$(CONFIG_MX7) += imx7d-sdb.dtb \
imx7d-sdb-qspi.dtb \
imx7-colibri-emmc.dtb \
diff --git a/arch/arm/dts/o4-imx-nano.dts b/arch/arm/dts/o4-imx-nano.dts
new file mode 100644
index 0000000000..d1785b7dc7
--- /dev/null
+++ b/arch/arm/dts/o4-imx-nano.dts
@@ -0,0 +1,241 @@
+// SPDX-License-Identifier: GPL-2.0+
+// Copyright (C) 2021 Oleh Kravchenko <oleg at kaa.org.ua>
+
+/dts-v1/;
+
+#include <dt-bindings/leds/common.h>
+
+#include "o4-imx6ull-nano.dtsi"
+
+/ {
+ model = "O4-iMX-NANO";
+ compatible = "out4,o4-imx-nano",
+ "out4,o4-imx6ull-nano",
+ "fsl,imx6ull";
+
+ aliases {
+ mmc1 = &usdhc1;
+ };
+
+ chosen {
+ stdout-path = &uart1;
+ };
+
+ leds {
+ compatible = "gpio-leds";
+
+ led at 0 {
+ color = <LED_COLOR_ID_RED>;
+ gpios = <&pcf8574a 0 GPIO_ACTIVE_LOW>;
+ reg = <0>;
+ };
+
+ led at 1 {
+ color = <LED_COLOR_ID_GREEN>;
+ gpios = <&pcf8574a 1 GPIO_ACTIVE_LOW>;
+ reg = <1>;
+ };
+
+ led at 2 {
+ gpios = <&pcf8574a 2 GPIO_ACTIVE_LOW>;
+ color = <LED_COLOR_ID_BLUE>;
+ reg = <2>;
+ };
+
+ led at 3 {
+ color = <LED_COLOR_ID_RED>;
+ gpios = <&pcf8574a 3 GPIO_ACTIVE_LOW>;
+ reg = <3>;
+ };
+
+ led at 4 {
+ color = <LED_COLOR_ID_GREEN>;
+ gpios = <&pcf8574a 4 GPIO_ACTIVE_LOW>;
+ reg = <4>;
+ };
+
+ led at 5 {
+ color = <LED_COLOR_ID_BLUE>;
+ gpios = <&pcf8574a 5 GPIO_ACTIVE_LOW>;
+ reg = <5>;
+ };
+ };
+
+ usbotg1_vbus: reg_usbotg1_vbus {
+ compatible = "regulator-fixed";
+ enable-active-high;
+ gpio = <&pcf8574a 6 GPIO_ACTIVE_HIGH>;
+ regulator-max-microvolt = <5000000>;
+ regulator-min-microvolt = <5000000>;
+ regulator-name = "usb0";
+ };
+
+ usbotg2_vbus: reg_usbotg2_vbus {
+ compatible = "regulator-fixed";
+ enable-active-high;
+ gpio = <&pcf8574a 7 GPIO_ACTIVE_HIGH>;
+ regulator-max-microvolt = <5000000>;
+ regulator-min-microvolt = <5000000>;
+ regulator-name = "usb1";
+ };
+};
+
+&iomuxc {
+ pinctrl_uart1: uart1grp {
+ fsl,pins = <
+ MX6UL_PAD_UART1_RX_DATA__UART1_DCE_RX 0x1b0b1
+ MX6UL_PAD_UART1_TX_DATA__UART1_DCE_TX 0x1b0b1
+ >;
+ };
+
+ pinctrl_usdhc1: usdhc1grp {
+ fsl,pins = <
+ MX6UL_PAD_SD1_CLK__USDHC1_CLK 0x10069
+ MX6UL_PAD_SD1_CMD__USDHC1_CMD 0x17059
+ MX6UL_PAD_SD1_DATA0__USDHC1_DATA0 0x17059
+ MX6UL_PAD_SD1_DATA1__USDHC1_DATA1 0x17059
+ MX6UL_PAD_SD1_DATA2__USDHC1_DATA2 0x17059
+ MX6UL_PAD_SD1_DATA3__USDHC1_DATA3 0x17059
+ MX6UL_PAD_UART1_RTS_B__USDHC1_CD_B 0x03029
+ >;
+ };
+
+ pinctrl_mdio: mdiogrp {
+ fsl,pins = <
+ MX6UL_PAD_GPIO1_IO06__ENET2_MDIO 0x1b0b0
+ MX6UL_PAD_GPIO1_IO07__ENET2_MDC 0x1b0b0
+ MX6UL_PAD_SNVS_TAMPER1__GPIO5_IO01 0xb0b0 /* RST */
+ >;
+ };
+
+ pinctrl_i2c2: i2c2grp {
+ fsl,pins = <
+ MX6UL_PAD_CSI_HSYNC__I2C2_SCL 0x4001b8b0
+ MX6UL_PAD_CSI_VSYNC__I2C2_SDA 0x4001b8b0
+ >;
+ };
+
+ pinctrl_i2c2_gpio: i2c2gpiogrp {
+ fsl,pins = <
+ MX6UL_PAD_CSI_HSYNC__GPIO4_IO20 0x1b8b0
+ MX6UL_PAD_CSI_VSYNC__GPIO4_IO19 0x1b8b0
+ >;
+ };
+
+ pinctrl_can1: can1grp {
+ fsl,pins = <
+ MX6UL_PAD_LCD_DATA08__FLEXCAN1_TX 0x1b020
+ MX6UL_PAD_LCD_DATA09__FLEXCAN1_RX 0x1b020
+ >;
+ };
+
+ pinctrl_uart2: uart2grp {
+ fsl,pins = <
+ MX6UL_PAD_UART2_RX_DATA__UART2_DCE_RX 0x1b0b1
+ MX6UL_PAD_UART2_TX_DATA__UART2_DCE_TX 0x1b0b1
+ MX6UL_PAD_UART2_CTS_B__UART2_DCE_CTS 0x1b0b1
+ >;
+ };
+};
+
+&uart1 {
+ pinctrl-0 = <&pinctrl_uart1>;
+ pinctrl-names = "default";
+ status = "okay";
+};
+
+&usdhc1 {
+ bus-width = <4>;
+ no-1-8-v;
+ pinctrl-0 = <&pinctrl_usdhc1>;
+ pinctrl-names = "default";
+ status = "okay";
+ wakeup-source;
+};
+
+&fec1 {
+ phy-handle = <&phy0>;
+ phy-mode = "rmii";
+ pinctrl-0 = <&pinctrl_fec1>;
+ pinctrl-names = "default";
+ status = "okay";
+};
+
+&fec2 {
+ phy-handle = <&phy1>;
+ phy-mode = "rmii";
+ phy-reset-duration = <250>;
+ phy-reset-post-delay = <100>;
+ phy-reset-gpios = <&gpio5 1 GPIO_ACTIVE_LOW>;
+ pinctrl-0 = <&pinctrl_fec2 &pinctrl_mdio>;
+ pinctrl-names = "default";
+ status = "okay";
+
+ mdio {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ phy0: ethernet-phy at 0 {
+ clocks = <&clks IMX6UL_CLK_ENET_REF>;
+ clock-names = "rmii-ref";
+ interrupt-parent = <&gpio5>;
+ interrupts = <7 IRQ_TYPE_EDGE_FALLING>;
+ pinctrl-0 = <&pinctrl_phy0_irq>;
+ pinctrl-names = "default";
+ reg = <0>;
+ };
+
+ phy1: ethernet-phy at 1 {
+ clocks = <&clks IMX6UL_CLK_ENET2_REF>;
+ clock-names = "rmii-ref";
+ interrupt-parent = <&gpio5>;
+ interrupts = <3 IRQ_TYPE_EDGE_FALLING>;
+ pinctrl-0 = <&pinctrl_phy1_irq>;
+ pinctrl-names = "default";
+ reg = <1>;
+ };
+ };
+};
+
+&usbotg1 {
+ dr_mode = "host";
+ status = "okay";
+ vbus-supply = <&usbotg1_vbus>;
+};
+
+&usbotg2 {
+ dr_mode = "host";
+ status = "okay";
+ vbus-supply = <&usbotg2_vbus>;
+};
+
+&i2c2 {
+ clock_frequency = <100000>;
+ pinctrl-0 = <&pinctrl_i2c2>;
+ pinctrl-1 = <&pinctrl_i2c2_gpio>;
+ pinctrl-names = "default", "gpio";
+ scl-gpios = <&gpio4 20 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+ sda-gpios = <&gpio4 19 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+ status = "okay";
+
+ pcf8574a: gpio at 38 {
+ compatible = "nxp,pcf8574a";
+ #gpio-cells = <2>;
+ gpio-controller;
+ reg = <0x38>;
+ };
+};
+
+&can1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_can1>;
+ status = "okay";
+};
+
+&uart2 {
+ linux,rs485-enabled-at-boot-time;
+ pinctrl-0 = <&pinctrl_uart2>;
+ pinctrl-names = "default";
+ status = "okay";
+ uart-has-rtscts;
+};
diff --git a/arch/arm/dts/o4-imx6ull-nano.dtsi b/arch/arm/dts/o4-imx6ull-nano.dtsi
new file mode 100644
index 0000000000..3fefa80eae
--- /dev/null
+++ b/arch/arm/dts/o4-imx6ull-nano.dtsi
@@ -0,0 +1,87 @@
+// SPDX-License-Identifier: GPL-2.0+
+// Copyright (C) 2021 Oleh Kravchenko <oleg at kaa.org.ua>
+
+/dts-v1/;
+
+#include "imx6ull.dtsi"
+
+/ {
+ model = "O4-iMX6ULL-NANO";
+ compatible = "out4,o4-imx6ull-nano", "fsl,imx6ull";
+
+ aliases {
+ mmc0 = &usdhc2;
+ };
+
+ memory at 80000000 {
+ device_type = "memory";
+ reg = <0x80000000 0x20000000>;
+ };
+};
+
+&iomuxc {
+ pinctrl_usdhc2: usdhc2grp {
+ fsl,pins = <
+ MX6UL_PAD_NAND_ALE__USDHC2_RESET_B 0x17059
+ MX6UL_PAD_NAND_DATA00__USDHC2_DATA0 0x17059
+ MX6UL_PAD_NAND_DATA01__USDHC2_DATA1 0x17059
+ MX6UL_PAD_NAND_DATA02__USDHC2_DATA2 0x17059
+ MX6UL_PAD_NAND_DATA03__USDHC2_DATA3 0x17059
+ MX6UL_PAD_NAND_DATA04__USDHC2_DATA4 0x17059
+ MX6UL_PAD_NAND_DATA05__USDHC2_DATA5 0x17059
+ MX6UL_PAD_NAND_DATA06__USDHC2_DATA6 0x17059
+ MX6UL_PAD_NAND_DATA07__USDHC2_DATA7 0x17059
+ MX6UL_PAD_NAND_RE_B__USDHC2_CLK 0x10069
+ MX6UL_PAD_NAND_WE_B__USDHC2_CMD 0x17059
+ >;
+ };
+
+ pinctrl_fec1: fec1grp {
+ fsl,pins = <
+ MX6UL_PAD_ENET1_RX_DATA0__ENET1_RDATA00 0x1b0b0
+ MX6UL_PAD_ENET1_RX_DATA1__ENET1_RDATA01 0x1b0b0
+ MX6UL_PAD_ENET1_RX_EN__ENET1_RX_EN 0x1b0b0
+ MX6UL_PAD_ENET1_RX_ER__ENET1_RX_ER 0x1b0b0
+ MX6UL_PAD_ENET1_TX_CLK__ENET1_REF_CLK1 0x4001b031
+ MX6UL_PAD_ENET1_TX_DATA0__ENET1_TDATA00 0x1b0b0
+ MX6UL_PAD_ENET1_TX_DATA1__ENET1_TDATA01 0x1b0b0
+ MX6UL_PAD_ENET1_TX_EN__ENET1_TX_EN 0x1b0b0
+ >;
+ };
+
+ pinctrl_fec2: fec2grp {
+ fsl,pins = <
+ MX6UL_PAD_ENET2_RX_DATA0__ENET2_RDATA00 0x1b0b0
+ MX6UL_PAD_ENET2_RX_DATA1__ENET2_RDATA01 0x1b0b0
+ MX6UL_PAD_ENET2_RX_EN__ENET2_RX_EN 0x1b0b0
+ MX6UL_PAD_ENET2_RX_ER__ENET2_RX_ER 0x1b0b0
+ MX6UL_PAD_ENET2_TX_CLK__ENET2_REF_CLK2 0x4001b031
+ MX6UL_PAD_ENET2_TX_DATA0__ENET2_TDATA00 0x1b0b0
+ MX6UL_PAD_ENET2_TX_DATA1__ENET2_TDATA01 0x1b0b0
+ MX6UL_PAD_ENET2_TX_EN__ENET2_TX_EN 0x1b0b0
+ >;
+ };
+
+ pinctrl_phy0_irq: phy0grp {
+ fsl,pins = <
+ MX6UL_PAD_SNVS_TAMPER7__GPIO5_IO07 0x79
+ >;
+ };
+
+ pinctrl_phy1_irq: phy1grp {
+ fsl,pins = <
+ MX6UL_PAD_SNVS_TAMPER3__GPIO5_IO03 0x79
+ >;
+ };
+};
+
+&usdhc2 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_usdhc2>;
+ no-1-8-v;
+ non-removable;
+ keep-power-in-suspend;
+ wakeup-source;
+ bus-width = <8>;
+ status = "okay";
+};
diff --git a/arch/arm/mach-imx/mx6/Kconfig b/arch/arm/mach-imx/mx6/Kconfig
index 92fb4c4f23..419ae79cd0 100644
--- a/arch/arm/mach-imx/mx6/Kconfig
+++ b/arch/arm/mach-imx/mx6/Kconfig
@@ -688,6 +688,18 @@ config TARGET_BRPPT2
Support
B&R BRPPT2 platform
based on Freescale's iMX6 SoC
+
+config TARGET_O4_IMX6ULL_NANO
+ bool "O4-iMX6ULL-NANO"
+ depends on MX6ULL
+ select BOARD_LATE_INIT
+ select DM
+ select DM_THERMAL
+ imply CMD_DM
+ help
+ Support for www.out4.ru O4-iMX6UL-NANO platform
+ based on Freescale's i.MX6UL/i.MX6ULL SoC.
+
endchoice
config SYS_SOC
@@ -747,5 +759,6 @@ source "board/udoo/neo/Kconfig"
source "board/wandboard/Kconfig"
source "board/warp/Kconfig"
source "board/BuR/brppt2/Kconfig"
+source "board/out4/o4-imx6ull-nano/Kconfig"
endif
diff --git a/board/out4/o4-imx6ull-nano/K4B4G1646D-BCMA.cfg b/board/out4/o4-imx6ull-nano/K4B4G1646D-BCMA.cfg
new file mode 100644
index 0000000000..c0dcfe9a0c
--- /dev/null
+++ b/board/out4/o4-imx6ull-nano/K4B4G1646D-BCMA.cfg
@@ -0,0 +1,91 @@
+// SPDX-License-Identifier: GPL-2.0+
+// Copyright (C) 2016 Freescale Semiconductor, Inc.
+// Copyright (C) 2021 Oleh Kravchenko <oleg at kaa.org.ua>
+
+#define __ASSEMBLY__
+#include <config.h>
+
+/* image version */
+
+IMAGE_VERSION 2
+BOOT_FROM sd
+
+#ifdef CONFIG_IMX_HAB
+CSF CONFIG_CSF_SIZE
+#endif
+
+/*
+ * Device Configuration Data (DCD)
+ *
+ * Each entry must have the format:
+ * Addr-type Address Value
+ *
+ * where:
+ * Addr-type register length (1,2 or 4 bytes)
+ * Address absolute address of the register
+ * value value to be stored in the register
+ */
+
+/* Enable all clocks */
+DATA 4 0x020c4068 0xffffffff
+DATA 4 0x020c406c 0xffffffff
+DATA 4 0x020c4070 0xffffffff
+DATA 4 0x020c4074 0xffffffff
+DATA 4 0x020c4078 0xffffffff
+DATA 4 0x020c407c 0xffffffff
+DATA 4 0x020c4080 0xffffffff
+
+/* Samsung K4B4G1646D-BCMA */
+DATA 4 0x020e04b4 0x000c0000
+DATA 4 0x020e04ac 0x00000000
+DATA 4 0x020e027c 0x00000030
+DATA 4 0x020e0250 0x00000030
+DATA 4 0x020e024c 0x00000030
+DATA 4 0x020e0490 0x00000030
+DATA 4 0x020e0288 0x000c0030
+DATA 4 0x020e0270 0x00000000
+DATA 4 0x020e0260 0x00000030
+DATA 4 0x020e0264 0x00000030
+DATA 4 0x020e04a0 0x00000030
+DATA 4 0x020e0494 0x00020000
+DATA 4 0x020e0280 0x00000030
+DATA 4 0x020e0284 0x00000030
+DATA 4 0x020e04b0 0x00020000
+DATA 4 0x020e0498 0x00000030
+DATA 4 0x020e04a4 0x00000030
+DATA 4 0x020e0244 0x00000030
+DATA 4 0x020e0248 0x00000030
+DATA 4 0x021b001c 0x00008000
+DATA 4 0x021b0800 0xa1390003
+DATA 4 0x021b080c 0x00030009
+DATA 4 0x021b083c 0x01440148
+DATA 4 0x021b0848 0x40403640
+DATA 4 0x021b0850 0x4040322a
+DATA 4 0x021b081c 0x33333333
+DATA 4 0x021b0820 0x33333333
+DATA 4 0x021b082c 0xf3333333
+DATA 4 0x021b0830 0xf3333333
+DATA 4 0x021b08c0 0x00944009
+DATA 4 0x021b08b8 0x00000800
+DATA 4 0x021b0004 0x0002002d
+DATA 4 0x021b0008 0x1b333030
+DATA 4 0x021b000c 0x676b52f2
+DATA 4 0x021b0010 0x926d0b63
+DATA 4 0x021b0014 0x01ff00db
+DATA 4 0x021b0018 0x00211740
+DATA 4 0x021b001c 0x00008000
+DATA 4 0x021b002c 0x000026d2
+DATA 4 0x021b0030 0x006b1023
+DATA 4 0x021b0040 0x0000004f
+DATA 4 0x021b0000 0x84180000
+DATA 4 0x021b0890 0x00400000
+DATA 4 0x021b001c 0x02008032
+DATA 4 0x021b001c 0x00008033
+DATA 4 0x021b001c 0x00048031
+DATA 4 0x021b001c 0x15108030
+DATA 4 0x021b001c 0x04008040
+DATA 4 0x021b0020 0x00007800
+DATA 4 0x021b0818 0x00000227
+DATA 4 0x021b0004 0x0002552d
+DATA 4 0x021b0404 0x00011006
+DATA 4 0x021b001c 0x00000000
diff --git a/board/out4/o4-imx6ull-nano/Kconfig b/board/out4/o4-imx6ull-nano/Kconfig
new file mode 100644
index 0000000000..c2497d521f
--- /dev/null
+++ b/board/out4/o4-imx6ull-nano/Kconfig
@@ -0,0 +1,57 @@
+if TARGET_O4_IMX6ULL_NANO
+
+config SYS_BOARD
+ default "o4-imx6ull-nano"
+
+config SYS_VENDOR
+ default "out4"
+
+config SYS_CONFIG_NAME
+ default "o4-imx6ull-nano"
+
+choice
+ prompt "Memory model"
+ default K4B4G1646D_BCMA
+ help
+ Memory type setup.
+
+ Please choose correct memory model here.
+
+config K4B4G1646D_BCMA
+ bool "K4B4G1646D-BCMA 256Mx16 (512 MiB/chip)"
+ help
+ Samsung DDR3 SDRAM
+ K4B4G1646D-BCMA
+
+config MT41K256M16HA_125E
+ bool "MT41K256M16HA-125:E 256Mx16 (512 MiB/chip)"
+ help
+ Micron DDR3L SDRAM
+ MT41K256M16HA-125:E
+
+endchoice
+
+choice
+ prompt "Mainboard model"
+ default O4_IMX_NANO
+ help
+ Mainboard setup.
+
+ Please choose correct main board model here.
+
+config O4_IMX_NANO
+ bool "O4-iMX-NANO"
+ help
+ A baseboard for EV-iMX280-NANO module:
+ https://out4.ru/products/board/18-o4-imx-nano.html
+
+endchoice
+
+config IMX_CONFIG
+ default "board/out4/o4-imx6ull-nano/K4B4G1646D-BCMA.cfg" if K4B4G1646D_BCMA
+ default "board/out4/o4-imx6ull-nano/MT41K256M16HA-125E.cfg" if MT41K256M16HA_125E
+
+config DEFAULT_DEVICE_TREE
+ default "o4-imx-nano" if O4_IMX_NANO
+
+endif
diff --git a/board/out4/o4-imx6ull-nano/MT41K256M16HA-125E.cfg b/board/out4/o4-imx6ull-nano/MT41K256M16HA-125E.cfg
new file mode 100644
index 0000000000..6f823a7272
--- /dev/null
+++ b/board/out4/o4-imx6ull-nano/MT41K256M16HA-125E.cfg
@@ -0,0 +1,91 @@
+// SPDX-License-Identifier: GPL-2.0+
+// Copyright (C) 2016 Freescale Semiconductor, Inc.
+// Copyright (C) 2021 Oleh Kravchenko <oleg at kaa.org.ua>
+
+#define __ASSEMBLY__
+#include <config.h>
+
+/* image version */
+
+IMAGE_VERSION 2
+BOOT_FROM sd
+
+#ifdef CONFIG_IMX_HAB
+CSF CONFIG_CSF_SIZE
+#endif
+
+/*
+ * Device Configuration Data (DCD)
+ *
+ * Each entry must have the format:
+ * Addr-type Address Value
+ *
+ * where:
+ * Addr-type register length (1,2 or 4 bytes)
+ * Address absolute address of the register
+ * value value to be stored in the register
+ */
+
+/* Enable all clocks */
+DATA 4 0x020c4068 0xffffffff
+DATA 4 0x020c406c 0xffffffff
+DATA 4 0x020c4070 0xffffffff
+DATA 4 0x020c4074 0xffffffff
+DATA 4 0x020c4078 0xffffffff
+DATA 4 0x020c407c 0xffffffff
+DATA 4 0x020c4080 0xffffffff
+
+/* Micron MT41K256M16HA-125:E */
+DATA 4 0x020e04b4 0x000c0000
+DATA 4 0x020e04ac 0x00000000
+DATA 4 0x020e027c 0x00000030
+DATA 4 0x020e0250 0x00000030
+DATA 4 0x020e024c 0x00000030
+DATA 4 0x020e0490 0x00000030
+DATA 4 0x020e0288 0x000c0030
+DATA 4 0x020e0270 0x00000000
+DATA 4 0x020e0260 0x00000030
+DATA 4 0x020e0264 0x00000030
+DATA 4 0x020e04a0 0x00000030
+DATA 4 0x020e0494 0x00020000
+DATA 4 0x020e0280 0x00000030
+DATA 4 0x020e0284 0x00000030
+DATA 4 0x020e04b0 0x00020000
+DATA 4 0x020e0498 0x00000030
+DATA 4 0x020e04a4 0x00000030
+DATA 4 0x020e0244 0x00000030
+DATA 4 0x020e0248 0x00000030
+DATA 4 0x021b001c 0x00008000
+DATA 4 0x021b0800 0xa1390003
+DATA 4 0x021b080c 0x0005000b
+DATA 4 0x021b083c 0x01400144
+DATA 4 0x021b0848 0x4040343a
+DATA 4 0x021b0850 0x4040342a
+DATA 4 0x021b081c 0x33333333
+DATA 4 0x021b0820 0x33333333
+DATA 4 0x021b082c 0xf3333333
+DATA 4 0x021b0830 0xf3333333
+DATA 4 0x021b08c0 0x00944009
+DATA 4 0x021b08b8 0x00000800
+DATA 4 0x021b0004 0x0002002d
+DATA 4 0x021b0008 0x1b333030
+DATA 4 0x021b000c 0x676b52f2
+DATA 4 0x021b0010 0x91eb0b63
+DATA 4 0x021b0014 0x01ff00db
+DATA 4 0x021b0018 0x00211740
+DATA 4 0x021b001c 0x00008000
+DATA 4 0x021b002c 0x000026d2
+DATA 4 0x021b0030 0x006b1023
+DATA 4 0x021b0040 0x0000004f
+DATA 4 0x021b0000 0x84180000
+DATA 4 0x021b0890 0x00400000
+DATA 4 0x021b001c 0x02008032
+DATA 4 0x021b001c 0x00008033
+DATA 4 0x021b001c 0x00048031
+DATA 4 0x021b001c 0x15108030
+DATA 4 0x021b001c 0x04008040
+DATA 4 0x021b0020 0x00007800
+DATA 4 0x021b0818 0x00000227
+DATA 4 0x021b0004 0x0002552d
+DATA 4 0x021b0404 0x00011006
+DATA 4 0x021b001c 0x00000000
diff --git a/board/out4/o4-imx6ull-nano/Makefile b/board/out4/o4-imx6ull-nano/Makefile
new file mode 100644
index 0000000000..a3f4646d9e
--- /dev/null
+++ b/board/out4/o4-imx6ull-nano/Makefile
@@ -0,0 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0+
+# Copyright (C) 2021 Oleh Kravchenko <oleg at kaa.org.ua>
+
+obj-y := o4-imx6ull-nano.o
diff --git a/board/out4/o4-imx6ull-nano/o4-imx6ull-nano.c b/board/out4/o4-imx6ull-nano/o4-imx6ull-nano.c
new file mode 100644
index 0000000000..eb71e4c08c
--- /dev/null
+++ b/board/out4/o4-imx6ull-nano/o4-imx6ull-nano.c
@@ -0,0 +1,81 @@
+// SPDX-License-Identifier: GPL-2.0+
+// Copyright (C) 2021 Oleh Kravchenko <oleg at kaa.org.ua>
+
+#include <asm/arch-mx6/clock.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/global_data.h>
+#include <asm/mach-imx/boot_mode.h>
+#include <common.h>
+#include <env.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int dram_init(void)
+{
+ gd->ram_size = imx_ddr_size();
+
+ return 0;
+}
+
+int board_early_init_f(void)
+{
+ return 0;
+}
+
+static int setup_fec_clock(void)
+{
+ if (IS_ENABLED(CONFIG_FEC_MXC) && !IS_ENABLED(CONFIG_CLK_IMX6Q)) {
+ struct iomuxc *const iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR;
+ int ret;
+
+ /*
+ * Use 50M anatop loopback REF_CLK1 for ENET1,
+ * clear gpr1[13], set gpr1[17].
+ */
+ clrsetbits_le32(&iomuxc_regs->gpr[1], IOMUX_GPR1_FEC1_MASK,
+ IOMUX_GPR1_FEC1_CLOCK_MUX1_SEL_MASK);
+
+ ret = enable_fec_anatop_clock(0, ENET_50MHZ);
+ if (ret)
+ return ret;
+
+ /*
+ * Use 50M anatop loopback REF_CLK2 for ENET2,
+ * clear gpr1[14], set gpr1[18].
+ */
+ clrsetbits_le32(&iomuxc_regs->gpr[1], IOMUX_GPR1_FEC2_MASK,
+ IOMUX_GPR1_FEC2_CLOCK_MUX1_SEL_MASK);
+
+ ret = enable_fec_anatop_clock(1, ENET_50MHZ);
+ if (ret)
+ return ret;
+
+ enable_enet_clk(1);
+ }
+
+ return 0;
+}
+
+int board_init(void)
+{
+ /* Address of boot parameters */
+ gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
+
+ return setup_fec_clock();
+}
+
+int board_late_init(void)
+{
+ if (IS_ENABLED(CONFIG_CMD_BMODE))
+ add_board_boot_modes(NULL);
+
+ if (IS_ENABLED(CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG)) {
+ const char *model;
+
+ model = fdt_getprop(gd->fdt_blob, 0, "model", NULL);
+ if (model)
+ env_set("board_name", model);
+ }
+
+ return 0;
+}
diff --git a/configs/o4-imx6ull-nano_defconfig b/configs/o4-imx6ull-nano_defconfig
new file mode 100644
index 0000000000..906a3afe5d
--- /dev/null
+++ b/configs/o4-imx6ull-nano_defconfig
@@ -0,0 +1,103 @@
+CONFIG_ARCH_MX6=y
+CONFIG_ARM=y
+CONFIG_DEFAULT_DEVICE_TREE="o4-imx-nano"
+CONFIG_HUSH_PARSER=y
+CONFIG_IMX_MODULE_FUSE=y
+CONFIG_MX6ULL=y
+CONFIG_O4_IMX_NANO=y
+CONFIG_PINCTRL=y
+CONFIG_PINCTRL_IMX6=y
+CONFIG_SYS_TEXT_BASE=0x87800000
+CONFIG_TARGET_O4_IMX6ULL_NANO=y
+
+# CONFIG_K4B4G1646D_BCMA is not set
+CONFIG_MT41K256M16HA_125E=y
+
+# Device Tree
+CONFIG_OF_CONTROL=y
+CONFIG_OF_LIBFDT_OVERLAY=y
+
+# Environment
+CONFIG_ENV_FAT_DEVICE_AND_PART="0:1"
+CONFIG_ENV_IS_IN_FAT=y
+CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y
+
+# Clock driver for imx6ull is not implemented
+# CONFIG_CLK_IMX6Q=y
+
+# Thermal
+CONFIG_DM_THERMAL=y
+CONFIG_IMX_THERMAL=y
+
+# Serial
+CONFIG_DM_SERIAL=y
+CONFIG_MXC_UART=y
+
+# eMMC support
+CONFIG_CMD_MMC=y
+CONFIG_DM_MMC=y
+CONFIG_FSL_USDHC=y
+CONFIG_SUPPORT_EMMC_BOOT=y
+CONFIG_SUPPORT_EMMC_RPMB=y
+
+# GPIO support
+CONFIG_CMD_GPIO=y
+CONFIG_DM_GPIO=y
+CONFIG_MXC_GPIO=y
+
+# USB support
+CONFIG_CI_UDC=y
+CONFIG_CMD_USB=y
+CONFIG_CMD_USB_MASS_STORAGE=y
+CONFIG_DM_USB=y
+CONFIG_USB=y
+CONFIG_USB_GADGET=y
+CONFIG_USB_GADGET_DOWNLOAD=y
+
+# Fastboot support
+CONFIG_CMD_FASTBOOT=y
+CONFIG_FASTBOOT_BUF_ADDR=0x82000000
+CONFIG_FASTBOOT_CMD_OEM_FORMAT=y
+CONFIG_FASTBOOT_FLASH=y
+CONFIG_FASTBOOT_FLASH_MMC_DEV=0
+CONFIG_USB_FUNCTION_FASTBOOT=y
+
+# Ethernet support
+CONFIG_CMD_DHCP=y
+CONFIG_CMD_MDIO=y
+CONFIG_CMD_MII=y
+CONFIG_CMD_PING=y
+CONFIG_DM_ETH=y
+CONFIG_DM_ETH_PHY=y
+CONFIG_FEC_MXC=y
+CONFIG_FEC_MXC_MDIO_BASE=0x020b4000
+CONFIG_FEC_MXC_SHARE_MDIO=y
+CONFIG_MII=y
+CONFIG_NET_RANDOM_ETHADDR=y
+CONFIG_PHYLIB=y
+CONFIG_PHY_SMSC=y
+
+# I2C
+CONFIG_CMD_I2C=y
+CONFIG_DM_I2C=y
+CONFIG_SYS_I2C_MXC=y
+
+# Watchdog support is broken
+# CONFIG_CMD_WDT=y
+# CONFIG_IMX_WATCHDOG=y
+# CONFIG_SYSRESET_WATCHDOG=y
+# CONFIG_WATCHDOG_RESET_DISABLE=y
+# CONFIG_WDT=y
+
+# VBUS
+CONFIG_DM_REGULATOR=y
+CONFIG_DM_REGULATOR_FIXED=y
+
+# misc
+CONFIG_CMD_BOOTZ=y
+CONFIG_CMD_EXT4=y
+CONFIG_CMD_FAT=y
+CONFIG_CMD_GPT=y
+CONFIG_CMD_MEMINFO=y
+CONFIG_CMD_MEMTEST=y
+CONFIG_CMD_PART=y
diff --git a/include/configs/o4-imx6ull-nano.h b/include/configs/o4-imx6ull-nano.h
new file mode 100644
index 0000000000..23308b6d01
--- /dev/null
+++ b/include/configs/o4-imx6ull-nano.h
@@ -0,0 +1,25 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/* Copyright (C) 2021 Oleh Kravchenko <oleg at kaa.org.ua> */
+
+#ifndef __O4_IMX6ULL_NANO_CONFIG_H
+#define __O4_IMX6ULL_NANO_CONFIG_H
+
+#include "mx6_common.h"
+
+#define CONFIG_SYS_MALLOC_LEN (10 * SZ_1M)
+#define PHYS_SDRAM MMDC0_ARB_BASE_ADDR
+#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM
+#define CONFIG_SYS_INIT_RAM_ADDR IRAM_BASE_ADDR
+#define CONFIG_SYS_INIT_RAM_SIZE IRAM_SIZE
+#define CONFIG_SYS_INIT_SP_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
+#define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET)
+
+#if IS_ENABLED(CONFIG_CMD_USB)
+# define CONFIG_MXC_USB_PORTSC (PORT_PTS_UTMI | PORT_PTS_PTW)
+#endif /* CONFIG_CMD_USB */
+
+#if IS_ENABLED(CONFIG_FEC_MXC)
+# define CONFIG_FEC_XCV_TYPE RMII
+#endif /* CONFIG_FEC_MXC */
+
+#endif /* __O4_IMX6ULL_NANO_CONFIG_H */
--
2.26.3
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