board: Add MT8183 pumpkin board support

Add the MT8183 pumpkin board support.

Signed-off-by: Fabien Parent <fparent@baylibre.com>

arch/arm/dts/Makefile

@@ -1013,6 +1013,7 @@ dtb-$(CONFIG_ARCH_MEDIATEK) += \
 	mt7622-bananapi-bpi-r64.dtb \
 	mt7623n-bananapi-bpi-r2.dtb \
 	mt7629-rfb.dtb \
+	mt8183-pumpkin.dtb \
 	mt8512-bm1-emmc.dtb \
 	mt8516-pumpkin.dtb \
 	mt8518-ap1-emmc.dtb

arch/arm/dts/mt8183-pumpkin.dts

@@ -0,0 +1,99 @@
+// SPDX-License-Identifier: GPL-2.0 OR MIT
+/*
+ * Copyright (C) 2021 BayLibre SAS.
+ * Author: Fabien Parent <fparent@baylibre.com>
+ */
+
+/dts-v1/;
+
+#include <config.h>
+#include "mt8183.dtsi"
+
+/ {
+	model = "MediaTek MT8183 pumpkin board";
+	compatible = "mediatek,mt8183-pumpkin", "mediatek,mt8183";
+
+	memory@40000000 {
+		device_type = "memory";
+		reg = <0 0x40000000 0 0x80000000>;
+	};
+
+	reserved-memory {
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+
+		/* 192 KiB reserved for ARM Trusted Firmware (BL31) */
+		bl31_secmon_reserved: secmon@54600000 {
+			no-map;
+			reg = <0 0x54600000 0x0 0x30000>;
+		};
+
+		/* 12 MiB reserved for OP-TEE (BL32)
+		 * +-----------------------+ 0x43e0_0000
+		 * |      SHMEM 2MiB       |
+		 * +-----------------------+ 0x43c0_0000
+		 * |        | TA_RAM  8MiB |
+		 * + TZDRAM +--------------+ 0x4340_0000
+		 * |        | TEE_RAM 2MiB |
+		 * +-----------------------+ 0x4320_0000
+		 */
+		optee_reserved: optee@43200000 {
+			no-map;
+			reg = <0 0x43200000 0 0x00c00000>;
+		};
+	};
+
+	chosen {
+		stdout-path = &uart0;
+	};
+
+	reg_1p8v: regulator-1p8v {
+		compatible = "regulator-fixed";
+		regulator-name = "fixed-1.8V";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+		regulator-boot-on;
+		regulator-always-on;
+	};
+
+	reg_3p3v: regulator-3p3v {
+		compatible = "regulator-fixed";
+		regulator-name = "fixed-3.3V";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		regulator-boot-on;
+		regulator-always-on;
+	};
+};
+
+&watchdog {
+	status = "okay";
+};
+
+&uart0 {
+	status = "okay";
+};
+
+&mmc0 {
+	bus-width = <4>;
+	max-frequency = <200000000>;
+	cap-mmc-highspeed;
+	mmc-hs200-1_8v;
+	cap-mmc-hw-reset;
+	vmmc-supply = <&reg_3p3v>;
+	vqmmc-supply = <&reg_1p8v>;
+	non-removable;
+	status = "okay";
+};
+
+&usb {
+	status = "okay";
+};
+
+&ssusb {
+	mediatek,force-vbus;
+	maximum-speed = "high-speed";
+	dr_mode = "peripheral";
+	status = "okay";
+};

arch/arm/mach-mediatek/Kconfig

@@ -84,6 +84,7 @@ endchoice
 source "board/mediatek/mt7622/Kconfig"
 source "board/mediatek/mt7623/Kconfig"
 source "board/mediatek/mt7629/Kconfig"
+source "board/mediatek/mt8183/Kconfig"
 source "board/mediatek/mt8512/Kconfig"
 source "board/mediatek/mt8516/Kconfig"
 source "board/mediatek/mt8518/Kconfig"

board/mediatek/mt8183/Kconfig

@@ -0,0 +1,13 @@
+if TARGET_MT8183
+
+config SYS_BOARD
+	default "mt8183"
+
+config SYS_CONFIG_NAME
+	default "mt8183"
+
+config MTK_BROM_HEADER_INFO
+	string
+	default "media=emmc"
+
+endif

board/mediatek/mt8183/MAINTAINERS

@@ -0,0 +1,6 @@
+MT8183 Pumpkin
+M:	Fabien Parent <fparent@baylibre.com>
+S:	Maintained
+F:	board/mediatek/mt8183
+F:	include/configs/mt8183.h
+F:	configs/mt8183_pumpkin_defconfig

board/mediatek/mt8183/Makefile

@@ -0,0 +1,3 @@
+# SPDX-License-Identifier:	GPL-2.0
+
+obj-y += mt8183_pumpkin.o

board/mediatek/mt8183/mt8183_pumpkin.c

@@ -0,0 +1,28 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2020 BayLibre SAS
+ * Author: Fabien Parent <fparent@baylibre.com>
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <net.h>
+
+int board_init(void)
+{
+	struct udevice *dev;
+	int ret;
+
+	if (CONFIG_IS_ENABLED(USB_GADGET)) {
+		ret = uclass_get_device(UCLASS_USB_GADGET_GENERIC, 0, &dev);
+		if (ret) {
+			pr_err("%s: Cannot find USB device\n", __func__);
+			return ret;
+		}
+	}
+
+	if (CONFIG_IS_ENABLED(USB_ETHER))
+		usb_ether_init();
+
+	return 0;
+}

configs/mt8183_pumpkin_defconfig

@@ -0,0 +1,81 @@
+CONFIG_ARM=y
+CONFIG_POSITION_INDEPENDENT=y
+CONFIG_ARCH_MEDIATEK=y
+CONFIG_SYS_TEXT_BASE=0x4c000000
+CONFIG_SYS_MALLOC_F_LEN=0x4000
+CONFIG_NR_DRAM_BANKS=1
+CONFIG_ENV_SIZE=0x1000
+CONFIG_ENV_OFFSET=0x0
+CONFIG_DM_GPIO=y
+CONFIG_TARGET_MT8183=y
+CONFIG_DEBUG_UART_BASE=0x11002000
+CONFIG_DEBUG_UART_CLOCK=26000000
+# CONFIG_PSCI_RESET is not set
+CONFIG_DEFAULT_DEVICE_TREE="mt8183-pumpkin"
+CONFIG_DEBUG_UART=y
+# CONFIG_ANDROID_BOOT_IMAGE is not set
+CONFIG_FIT=y
+# CONFIG_ARCH_FIXUP_FDT_MEMORY is not set
+CONFIG_DEFAULT_FDT_FILE="mt8183-pumpkin"
+# CONFIG_DISPLAY_BOARDINFO is not set
+CONFIG_HUSH_PARSER=y
+# CONFIG_CMD_BDI is not set
+# CONFIG_CMD_CONSOLE is not set
+# CONFIG_CMD_BOOTD is not set
+# CONFIG_CMD_BOOTI is not set
+# CONFIG_CMD_ELF is not set
+# CONFIG_CMD_GO is not set
+# CONFIG_CMD_IMI is not set
+# CONFIG_CMD_XIMG is not set
+# CONFIG_CMD_EXPORTENV is not set
+# CONFIG_CMD_IMPORTENV is not set
+# CONFIG_CMD_EDITENV is not set
+# CONFIG_CMD_CRC32 is not set
+# CONFIG_CMD_MEMORY is not set
+CONFIG_CMD_CLK=y
+CONFIG_CMD_GPT=y
+# CONFIG_RANDOM_UUID is not set
+# CONFIG_CMD_LOADB is not set
+# CONFIG_CMD_LOADS is not set
+CONFIG_CMD_MMC=y
+CONFIG_CMD_PART=y
+# CONFIG_CMD_ITEST is not set
+# CONFIG_CMD_SETEXPR is not set
+# CONFIG_CMD_BLOCK_CACHE is not set
+CONFIG_CMD_EXT4=y
+CONFIG_CMD_FS_GENERIC=y
+CONFIG_ENV_IS_IN_MMC=y
+CONFIG_SYS_MMC_ENV_PART=2
+CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y
+CONFIG_DEVRES=y
+CONFIG_CLK=y
+CONFIG_USB_FUNCTION_FASTBOOT=y
+CONFIG_FASTBOOT_BUF_ADDR=0x4d000000
+CONFIG_FASTBOOT_BUF_SIZE=0x8000000
+CONFIG_FASTBOOT_FLASH=y
+CONFIG_FASTBOOT_FLASH_MMC_DEV=0
+CONFIG_FASTBOOT_MMC_BOOT1_SUPPORT=y
+# CONFIG_INPUT is not set
+CONFIG_DM_MMC=y
+# CONFIG_MMC_QUIRKS is not set
+CONFIG_MMC_MTK=y
+CONFIG_DM_ETH=y
+CONFIG_PHY=y
+CONFIG_PHY_MTK_TPHY=y
+CONFIG_BAUDRATE=921600
+CONFIG_DM_SERIAL=y
+CONFIG_DEBUG_UART_ANNOUNCE=y
+CONFIG_MTK_SERIAL=y
+CONFIG_USB=y
+CONFIG_DM_USB=y
+CONFIG_DM_USB_GADGET=y
+CONFIG_USB_MTU3=y
+CONFIG_USB_GADGET=y
+CONFIG_USB_GADGET_VENDOR_NUM=0x0e8d
+CONFIG_USB_GADGET_PRODUCT_NUM=0x201c
+CONFIG_USB_ETHER=y
+CONFIG_WDT=y
+CONFIG_WDT_MTK=y
+# CONFIG_REGEX is not set
+CONFIG_OF_LIBFDT_OVERLAY=y
+# CONFIG_EFI_LOADER is not set

include/configs/mt8183.h

@@ -0,0 +1,41 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Configuration for MT8183 based boards
+ *
+ * Copyright (C) 2021 BayLibre, SAS
+ * Author: Fabien Parent <fparent@baylibre.com
+ */
+
+#ifndef __MT8183_H
+#define __MT8183_H
+
+#include <linux/sizes.h>
+
+#define CONFIG_SYS_LOAD_ADDR		CONFIG_SYS_TEXT_BASE
+#define CONFIG_SYS_MALLOC_LEN		SZ_4M
+
+#define CONFIG_CPU_ARMV8
+#define COUNTER_FREQUENCY		13000000
+
+#define CONFIG_SYS_NS16550_SERIAL
+#define CONFIG_SYS_NS16550_REG_SIZE	-4
+#define CONFIG_SYS_NS16550_MEM32
+#define CONFIG_SYS_NS16550_COM1		0x11005200
+#define CONFIG_SYS_NS16550_CLK		26000000
+
+#define CONFIG_SYS_INIT_SP_ADDR		(CONFIG_SYS_TEXT_BASE + SZ_2M - \
+						 GENERATED_GBL_DATA_SIZE)
+
+#define CONFIG_SYS_BOOTM_LEN		SZ_64M
+
+/* Environment settings */
+#include <config_distro_bootcmd.h>
+
+#define BOOT_TARGET_DEVICES(func) \
+	func(MMC, mmc, 0)
+
+#define CONFIG_EXTRA_ENV_SETTINGS \
+	"scriptaddr=0x40000000\0" \
+	BOOTENV
+
+#endif