ARM: MediaTek: add basic support for MT8518 boards

This adds a general board file based on MT8518 SoCs from MediaTek.

Apart from the generic parts (cpu) we add some low level init codes
and initialize the early clocks.

This commit is adding the basic boot support for the MT8518 eMMC board.

Signed-off-by: mingming lee <mingming.lee@mediatek.com>
[trini: Migrate env location to defconfig, set ENV_IS_IN_MMC]
Signeed-off-by: Tom Rini <trini@konsulko.com>
This commit is contained in:
mingming lee 2019-11-07 19:28:44 +08:00 committed by Tom Rini
parent 485627dd5f
commit abf2c68566
9 changed files with 257 additions and 1 deletions

View file

@ -835,7 +835,8 @@ dtb-$(CONFIG_SOC_K3_J721E) += k3-j721e-common-proc-board.dtb \
dtb-$(CONFIG_ARCH_MEDIATEK) += \
mt7623n-bananapi-bpi-r2.dtb \
mt7629-rfb.dtb \
mt8516-pumpkin.dtb
mt8516-pumpkin.dtb \
mt8518-ap1-emmc.dtb
dtb-$(CONFIG_TARGET_GE_BX50V3) += imx6q-bx50v3.dtb
dtb-$(CONFIG_TARGET_MX53PPD) += imx53-ppd.dtb

View file

@ -0,0 +1,104 @@
// SPDX-License-Identifier: (GPL-2.0 OR MIT)
/*
* Copyright (C) 2019 MediaTek Inc.
* Author: Mingming Lee <mingming.lee@mediatek.com>
*
*/
/dts-v1/;
#include <config.h>
#include "mt8518.dtsi"
/ {
#address-cells = <1>;
#size-cells = <1>;
model = "MT8518 AP1 EMMC";
chosen {
stdout-path = &uart0;
tick-timer = &timer0;
};
memory@40000000 {
device_type = "memory";
reg = <0x40000000 0x10000000>;
};
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;
};
};
&mmc0 {
pinctrl-names = "default";
pinctrl-0 = <&mmc0_pins_default>;
bus-width = <8>;
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";
};
&pinctrl {
mmc0_pins_default: mmc0default {
mux {
function = "msdc";
groups = "msdc0";
};
conf-cmd-data {
pins = "MSDC0_CMD", "MSDC0_DAT0", "MSDC0_DAT1",
"MSDC0_DAT2", "MSDC0_DAT3", "MSDC0_DAT4",
"MSDC0_DAT5", "MSDC0_DAT6", "MSDC0_DAT7";
input-enable;
bias-pull-up;
};
conf-clk {
pins = "MSDC0_CLK";
bias-pull-down;
};
conf-rst {
pins = "MSDC0_RSTB";
bias-pull-up;
};
};
uart0_pins: uart0 {
mux {
function = "uart";
groups = "uart0_0_rxd_txd";
};
};
};
&uart0 {
pinctrl-names = "default";
pinctrl-0 = <&uart0_pins>;
status = "okay";
};
&watchdog0 {
status = "okay";
};

View file

@ -51,6 +51,7 @@ endchoice
source "board/mediatek/mt7623/Kconfig"
source "board/mediatek/mt7629/Kconfig"
source "board/mediatek/mt8518/Kconfig"
source "board/mediatek/pumpkin/Kconfig"
endif

View file

@ -0,0 +1,14 @@
if TARGET_MT8518
config SYS_BOARD
default "mt8518"
config SYS_CONFIG_NAME
default "mt8518"
config MTK_BROM_HEADER_INFO
string
default "media=nor"
endif

View file

@ -0,0 +1,6 @@
MT8518
M: Mingming lee <mingming.lee@mediatek.com>
S: Maintained
F: board/mediatek/mt8518
F: include/configs/mt8518.h
F: configs/mt8518_ap1_emmc_defconfig

View file

@ -0,0 +1,3 @@
# SPDX-License-Identifier: GPL-2.0
obj-y += mt8518_ap1.o

View file

@ -0,0 +1,18 @@
// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2019 MediaTek Inc.
*/
#include <common.h>
#include <dm.h>
DECLARE_GLOBAL_DATA_PTR;
int board_init(void)
{
/* address of boot parameters */
gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
debug("gd->fdt_blob is %p\n", gd->fdt_blob);
return 0;
}

View file

@ -0,0 +1,44 @@
CONFIG_ARM=y
CONFIG_POSITION_INDEPENDENT=y
CONFIG_ARCH_MEDIATEK=y
CONFIG_SYS_TEXT_BASE=0x40008000
CONFIG_SYS_MALLOC_F_LEN=0x4000
CONFIG_TARGET_MT8518=y
CONFIG_SYS_PROMPT="MT8518> "
CONFIG_ENV_SIZE=0x1000
CONFIG_ENV_OFFSET=0x4E60000
CONFIG_NR_DRAM_BANKS=1
CONFIG_FIT=y
CONFIG_FIT_SIGNATURE=y
CONFIG_OF_LIBFDT=y
# CONFIG_FDT_DEBUG is not set
CONFIG_LZMA=y
CONFIG_LZ4=y
CONFIG_LZO=y
CONFIG_GZIP=y
CONFIG_BZIP2=y
CONFIG_CMD_BOOTMENU=y
CONFIG_MENU_SHOW=y
CONFIG_DEFAULT_FDT_FILE="mt8518-ap1-emmc.dtb"
CONFIG_DEFAULT_DEVICE_TREE="mt8518-ap1-emmc"
CONFIG_ENV_IS_IN_MMC=y
CONFIG_PINCTRL=y
CONFIG_PINCTRL_MT8518=y
CONFIG_RAM=y
CONFIG_BAUDRATE=921600
CONFIG_REGMAP=y
CONFIG_SYSCON=y
CONFIG_DM=y
# CONFIG_DM_DEBUG is not set
CONFIG_DM_SERIAL=y
CONFIG_MTK_SERIAL=y
CONFIG_WDT=y
CONFIG_WDT_MTK=y
CONFIG_CLK=y
CONFIG_TIMER=y
CONFIG_MTK_TIMER=y
CONFIG_CMD_MMC=y
CONFIG_DM_MMC=y
CONFIG_MMC_MTK=y
CONFIG_MMC_HS200_SUPPORT=y
# CONFIG_ENV_IS_IN_MMC is not set

65
include/configs/mt8518.h Normal file
View file

@ -0,0 +1,65 @@
/* SPDX-License-Identifier: GPL-2.0 */
/*
* Configuration for MediaTek MT8518 SoC
*
* Copyright (C) 2019 MediaTek Inc.
* Author: Mingming Lee <mingming.lee@mediatek.com>
*/
#ifndef __MT8518_H
#define __MT8518_H
#include <linux/sizes.h>
/* Machine ID */
#define CONFIG_SYS_NONCACHED_MEMORY SZ_1M
#define CONFIG_CPU_ARMV8
#define COUNTER_FREQUENCY 13000000
/* DRAM definition */
#define CONFIG_SYS_SDRAM_BASE 0x40000000
#define CONFIG_SYS_SDRAM_SIZE 0x20000000
#define CONFIG_SYS_LOAD_ADDR 0x41000000
#define CONFIG_LOADADDR CONFIG_SYS_LOAD_ADDR
#define CONFIG_SYS_MALLOC_LEN SZ_32M
#define CONFIG_SYS_BOOTM_LEN SZ_64M
/* Uboot definition */
#define CONFIG_SYS_UBOOT_START CONFIG_SYS_TEXT_BASE
#define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_TEXT_BASE + \
SZ_2M - \
GENERATED_GBL_DATA_SIZE)
/* ENV Setting */
#if defined(CONFIG_MMC_MTK)
#define CONFIG_SYS_MMC_ENV_DEV 0
#define CONFIG_ENV_OVERWRITE
/* MMC offset in block unit,and block size is 0x200 */
#define ENV_BOOT_READ_IMAGE \
"boot_rd_img=mmc dev 0" \
";mmc read ${loadaddr} 0x27400 0x4000" \
";iminfo ${loadaddr}\0"
#endif
/* Console configuration */
#define ENV_DEVICE_SETTINGS \
"stdin=serial\0" \
"stdout=serial\0" \
"stderr=serial\0"
#define ENV_BOOT_CMD \
"mtk_boot=run boot_rd_img;bootm;\0"
#define CONFIG_EXTRA_ENV_SETTINGS \
"fdt_high=0x6c000000\0" \
ENV_DEVICE_SETTINGS \
ENV_BOOT_READ_IMAGE \
ENV_BOOT_CMD \
"bootcmd=run mtk_boot;\0" \
#endif