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>

diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index d8846df1bdd9031d059f0df69f0a656153e71a1d..3dc9c4d41c8dfaf938d03feaa39818717218c1ec 100644 (file)
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -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

diff --git a/arch/arm/dts/mt8518-ap1-emmc.dts b/arch/arm/dts/mt8518-ap1-emmc.dts
new file mode 100644 (file)
index 0000000..f017ee4
--- /dev/null
+++ b/arch/arm/dts/mt8518-ap1-emmc.dts
@@ -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";
+};

diff --git a/arch/arm/mach-mediatek/Kconfig b/arch/arm/mach-mediatek/Kconfig
index 8e343c3182b8dbf452d89542086e364c291e7d51..ad453a60c195f540ad94df60e81ae1839d75e359 100644 (file)
--- a/arch/arm/mach-mediatek/Kconfig
+++ b/arch/arm/mach-mediatek/Kconfig
@@ -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

diff --git a/board/mediatek/mt8518/Kconfig b/board/mediatek/mt8518/Kconfig
new file mode 100644 (file)
index 0000000..1971c4d
--- /dev/null
+++ b/board/mediatek/mt8518/Kconfig
@@ -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

diff --git a/board/mediatek/mt8518/MAINTAINERS b/board/mediatek/mt8518/MAINTAINERS
new file mode 100644 (file)
index 0000000..c915194
--- /dev/null
+++ b/board/mediatek/mt8518/MAINTAINERS
@@ -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

diff --git a/board/mediatek/mt8518/Makefile b/board/mediatek/mt8518/Makefile
new file mode 100644 (file)
index 0000000..0884b32
--- /dev/null
+++ b/board/mediatek/mt8518/Makefile
@@ -0,0 +1,3 @@
+# SPDX-License-Identifier:     GPL-2.0
+
+obj-y += mt8518_ap1.o

diff --git a/board/mediatek/mt8518/mt8518_ap1.c b/board/mediatek/mt8518/mt8518_ap1.c
new file mode 100644 (file)
index 0000000..9710907
--- /dev/null
+++ b/board/mediatek/mt8518/mt8518_ap1.c
@@ -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;
+}

diff --git a/configs/mt8518_ap1_emmc_defconfig b/configs/mt8518_ap1_emmc_defconfig
new file mode 100644 (file)
index 0000000..c2865a2
--- /dev/null
+++ b/configs/mt8518_ap1_emmc_defconfig
@@ -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

diff --git a/include/configs/mt8518.h b/include/configs/mt8518.h
new file mode 100644 (file)
index 0000000..a7fe83a
--- /dev/null
+++ b/include/configs/mt8518.h
@@ -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