arm: boards: add initial imx8mp-evk support

This adds support for the NXP i.MX8MP-EVK board.

The SDRAM timings are taken from U-Boot-2020.07-rc4, other information
how to initialize the board are form U-Boot as well.

Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

2 files changed, 70 insertions, 0 deletions

diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 739876b387..3cbf65078d 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -116,6 +116,7 @@ lwl-$(CONFIG_MACH_TECHNEXION_WANDBOARD) += imx6q-wandboard.dtb.o imx6dl-wandboar
 lwl-$(CONFIG_MACH_TECHNEXION_PICO_HOBBIT) += imx6ul-pico-hobbit.dtb.o
 lwl-$(CONFIG_MACH_NXP_IMX6ULL_EVK) += imx6ull-14x14-evk.dtb.o
 lwl-$(CONFIG_MACH_NXP_IMX8MM_EVK) += imx8mm-evk.dtb.o
+lwl-$(CONFIG_MACH_NXP_IMX8MP_EVK) += imx8mp-evk.dtb.o
 lwl-$(CONFIG_MACH_NXP_IMX8MQ_EVK) += imx8mq-evk.dtb.o
 lwl-$(CONFIG_MACH_TORADEX_COLIBRI_T20) += tegra20-colibri-iris.dtb.o
 lwl-$(CONFIG_MACH_TOSHIBA_AC100) += tegra20-paz00.dtb.o
diff --git a/arch/arm/dts/imx8mp-evk.dts b/arch/arm/dts/imx8mp-evk.dts
new file mode 100644
index 0000000000..bb255e2c94
--- /dev/null
+++ b/arch/arm/dts/imx8mp-evk.dts
@@ -0,0 +1,69 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+/*
+ * Copyright 2017 NXP
+ * Copyright (C) 2017 Pengutronix, Oleksij Rempel <kernel@pengutronix.de>
+ */
+
+/dts-v1/;
+
+#include <arm64/freescale/imx8mp-evk.dts>
+
+/ {
+	chosen {
+		environment-sd {
+			compatible = "barebox,environment";
+			device-path = &usdhc2, "partname:barebox-environment";
+			status = "disabled";
+		};
+		environment-emmc {
+			compatible = "barebox,environment";
+			device-path = &usdhc3, "partname:barebox-environment";
+			status = "disabled";
+		};
+	};
+
+	gpio-leds {
+		status {
+			barebox,default-trigger = "heartbeat";
+		};
+	};
+};
+
+&ethphy1 {
+	reset-assert-us = <15000>;
+	reset-deassert-us = <100000>;
+};
+
+&usdhc2 {
+	#address-cells = <1>;
+	#size-cells = <1>;
+
+	partition@0 {
+		label = "barebox";
+		reg = <0x0 0xe0000>;
+	};
+
+	partition@e0000 {
+		label = "barebox-environment";
+		reg = <0xe0000 0x20000>;
+	};
+};
+
+&usdhc3 {
+	#address-cells = <1>;
+	#size-cells = <1>;
+
+	partition@0 {
+		label = "barebox";
+		reg = <0x0 0xe0000>;
+	};
+
+	partition@e0000 {
+		label = "barebox-environment";
+		reg = <0xe0000 0x20000>;
+	};
+};
+
+&ocotp {
+	barebox,provide-mac-address = <&fec 0x640>;
+};