arm: MediaTek: add basic support for MT7623 boards
authorWeijie Gao <weijie.gao@mediatek.com>
Thu, 15 Nov 2018 02:07:53 +0000 (10:07 +0800)
committerTom Rini <trini@konsulko.com>
Thu, 29 Nov 2018 04:04:50 +0000 (23:04 -0500)
This adds a general board file based on MT7623 SoCs from MediaTek.

As this u-boot is loaded by MTK proprietary preloader, there is no
low level initializtion codes.

Signed-off-by: Weijie Gao <weijie.gao@mediatek.com>
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Tested-by: Matthias Brugger <matthias.bgg@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
12 files changed:
arch/arm/mach-mediatek/Kconfig
arch/arm/mach-mediatek/Makefile
arch/arm/mach-mediatek/mt7623/Makefile [new file with mode: 0644]
arch/arm/mach-mediatek/mt7623/init.c [new file with mode: 0644]
arch/arm/mach-mediatek/mt7623/lowlevel_init.S [new file with mode: 0644]
arch/arm/mach-mediatek/mt7623/preloader.h [new file with mode: 0644]
board/mediatek/mt7623/Kconfig [new file with mode: 0644]
board/mediatek/mt7623/MAINTAINERS [new file with mode: 0644]
board/mediatek/mt7623/Makefile [new file with mode: 0644]
board/mediatek/mt7623/mt7623_rfb.c [new file with mode: 0644]
configs/mt7623n_bpir2_defconfig [new file with mode: 0644]
include/configs/mt7623.h [new file with mode: 0644]

index d2ada9774d8f44de1ffe2eb67035f0b1fdacd92e..7a733e95df31d6468f6a3aacff84154aa7d017e2 100644 (file)
@@ -9,6 +9,18 @@ config SYS_VENDOR
 choice
        prompt "MediaTek board select"
 
+config TARGET_MT7623
+       bool "MediaTek MT7623 SoC"
+       select CPU_V7A
+       select ARCH_MISC_INIT
+       help
+         The MediaTek MT7623 is a ARM-based SoC with a quad-core Cortex-A7
+         including NEON and GPU, Mali-450 graphics, several DDR3 options,
+         crypto engine, built-in Wi-Fi / Bluetooth combo chip, JPEG decoder,
+         video interfaces supporting HDMI and MIPI, and video codec support.
+         Peripherals include Gigabit Ethernet, switch, USB3.0 and OTG, PCIe,
+         I2S, PCM, S/PDIF, UART, SPI, I2C, IR TX/RX, and PWM.
+
 config TARGET_MT7629
        bool "MediaTek MT7629 SoC"
        select CPU_V7A
@@ -21,6 +33,7 @@ config TARGET_MT7629
 
 endchoice
 
+source "board/mediatek/mt7623/Kconfig"
 source "board/mediatek/mt7629/Kconfig"
 
 endif
index 852d33097b1818efaf228b3fca31c9da9bd0d4c1..b5d3a379bccd3295f38cd80ff02a4145e763b68d 100644 (file)
@@ -3,4 +3,5 @@
 obj-y  += cpu.o
 obj-$(CONFIG_SPL_BUILD)        += spl.o
 
+obj-$(CONFIG_TARGET_MT7623) += mt7623/
 obj-$(CONFIG_TARGET_MT7629) += mt7629/
diff --git a/arch/arm/mach-mediatek/mt7623/Makefile b/arch/arm/mach-mediatek/mt7623/Makefile
new file mode 100644 (file)
index 0000000..007eb4a
--- /dev/null
@@ -0,0 +1,4 @@
+# SPDX-License-Identifier:     GPL-2.0
+
+obj-y += init.o
+obj-y += lowlevel_init.o
diff --git a/arch/arm/mach-mediatek/mt7623/init.c b/arch/arm/mach-mediatek/mt7623/init.c
new file mode 100644 (file)
index 0000000..0ee8c66
--- /dev/null
@@ -0,0 +1,54 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2018 MediaTek Inc.
+ */
+
+#include <common.h>
+#include <linux/io.h>
+#include <linux/sizes.h>
+#include <asm/arch/misc.h>
+
+#include "preloader.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+struct boot_argument *preloader_param;
+
+int mtk_soc_early_init(void)
+{
+       return 0;
+}
+
+int dram_init(void)
+{
+       u32 i;
+
+       if (((size_t)preloader_param >= CONFIG_SYS_SDRAM_BASE) &&
+           ((size_t)preloader_param % sizeof(size_t) == 0) &&
+           preloader_param->magic == BOOT_ARGUMENT_MAGIC &&
+           preloader_param->dram_rank_num <=
+           ARRAY_SIZE(preloader_param->dram_rank_size)) {
+               gd->ram_size = 0;
+
+               for (i = 0; i < preloader_param->dram_rank_num; i++)
+                       gd->ram_size += preloader_param->dram_rank_size[i];
+       } else {
+               gd->ram_size = get_ram_size((long *)CONFIG_SYS_SDRAM_BASE,
+                                           SZ_2G);
+       }
+
+       return 0;
+}
+
+int print_cpuinfo(void)
+{
+       void __iomem *chipid;
+       u32 swver;
+
+       chipid = ioremap(VER_BASE, VER_SIZE);
+       swver = readl(chipid + APSW_VER);
+
+       printf("CPU:   MediaTek MT7623 E%d\n", (swver & 0xf) + 1);
+
+       return 0;
+}
diff --git a/arch/arm/mach-mediatek/mt7623/lowlevel_init.S b/arch/arm/mach-mediatek/mt7623/lowlevel_init.S
new file mode 100644 (file)
index 0000000..afb9476
--- /dev/null
@@ -0,0 +1,22 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2018 MediaTek Inc.
+ */
+
+#include <linux/linkage.h>
+
+.extern        preloader_param
+
+ENTRY(save_boot_params)
+       ldr     r6, =preloader_param
+       str     r4, [r6]
+       b       save_boot_params_ret
+ENDPROC(save_boot_params)
+
+ENTRY(lowlevel_init)
+       /* enable SMP bit */
+       mrc     p15, 0, r0, c1, c0, 1
+       orr     r0, r0, #0x40
+       mcr     p15, 0, r0, c1, c0, 1
+       mov     pc, lr
+ENDPROC(lowlevel_init)
diff --git a/arch/arm/mach-mediatek/mt7623/preloader.h b/arch/arm/mach-mediatek/mt7623/preloader.h
new file mode 100644 (file)
index 0000000..2d2c71a
--- /dev/null
@@ -0,0 +1,99 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2018 MediaTek Inc.
+ */
+
+#ifndef __PRELOADER_H_
+#define __PRELOADER_H_
+
+enum forbidden_mode {
+       F_FACTORY_MODE = 0x0001
+};
+
+union lk_hdr {
+       struct {
+               u32 magic;
+               u32 size;
+               char name[32];
+               u32 loadaddr;
+       };
+
+       u8 data[512];
+};
+
+struct sec_limit {
+       unsigned int magic_num;
+       enum forbidden_mode forbid_mode;
+};
+
+enum bootmode {
+       NORMAL_BOOT = 0,
+       META_BOOT = 1,
+       RECOVERY_BOOT = 2,
+       SW_REBOOT = 3,
+       FACTORY_BOOT = 4,
+       ADVMETA_BOOT = 5,
+       ATE_FACTORY_BOOT = 6,
+       ALARM_BOOT = 7,
+
+       KERNEL_POWER_OFF_CHARGING_BOOT = 8,
+       LOW_POWER_OFF_CHARGING_BOOT = 9,
+
+       FAST_BOOT = 99,
+       DOWNLOAD_BOOT = 100,
+       UNKNOWN_BOOT
+};
+
+enum boot_reason {
+       BR_POWER_KEY = 0,
+       BR_USB,
+       BR_RTC,
+       BR_WDT,
+       BR_WDT_BY_PASS_PWK,
+       BR_TOOL_BY_PASS_PWK,
+       BR_2SEC_REBOOT,
+       BR_UNKNOWN
+};
+
+enum meta_com_type {
+       META_UNKNOWN_COM = 0,
+       META_UART_COM,
+       META_USB_COM
+};
+
+struct da_info_t {
+       u32 addr;
+       u32 arg1;
+       u32 arg2;
+       u32 len;
+       u32 sig_len;
+};
+
+struct boot_argument {
+       u32 magic;
+       enum bootmode boot_mode;
+       u32 e_flag;
+       u32 log_port;
+       u32 log_baudrate;
+       u8 log_enable;
+       u8 part_num;
+       u8 reserved[2];
+       u32 dram_rank_num;
+       u32 dram_rank_size[4];
+       u32 boot_reason;
+       enum meta_com_type meta_com_type;
+       u32 meta_com_id;
+       u32 boot_time;
+       struct da_info_t da_info;
+       struct sec_limit sec_limit;
+       union lk_hdr *part_info;
+       u8 md_type[4];
+       u32 ddr_reserve_enable;
+       u32 ddr_reserve_success;
+       u32 chip_ver;
+       char pl_version[8];
+};
+
+#define BOOT_ARGUMENT_MAGIC    0x504c504c
+
+#endif /* __PRELOADER_H_ */
diff --git a/board/mediatek/mt7623/Kconfig b/board/mediatek/mt7623/Kconfig
new file mode 100644 (file)
index 0000000..a8c670e
--- /dev/null
@@ -0,0 +1,13 @@
+if TARGET_MT7623
+
+config SYS_BOARD
+       default "mt7623"
+
+config SYS_CONFIG_NAME
+       default "mt7623"
+
+config MTK_BROM_HEADER_INFO
+       string
+       default "lk=1"
+
+endif
diff --git a/board/mediatek/mt7623/MAINTAINERS b/board/mediatek/mt7623/MAINTAINERS
new file mode 100644 (file)
index 0000000..eeb0375
--- /dev/null
@@ -0,0 +1,7 @@
+MT7623
+M:     Ryder Lee <ryder.lee@mediatek.com>
+M:     Weijie Gao <weijie.gao@mediatek.com>
+S:     Maintained
+F:     board/mediatek/mt7623
+F:     include/configs/mt7623.h
+F:     configs/mt7623n_bpir2_defconfig
diff --git a/board/mediatek/mt7623/Makefile b/board/mediatek/mt7623/Makefile
new file mode 100644 (file)
index 0000000..2b42071
--- /dev/null
@@ -0,0 +1,3 @@
+# SPDX-License-Identifier:     GPL-2.0
+
+obj-y += mt7623_rfb.o
diff --git a/board/mediatek/mt7623/mt7623_rfb.c b/board/mediatek/mt7623/mt7623_rfb.c
new file mode 100644 (file)
index 0000000..08468b5
--- /dev/null
@@ -0,0 +1,16 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2018 MediaTek Inc.
+ */
+
+#include <common.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int board_init(void)
+{
+       /* address of boot parameters */
+       gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
+
+       return 0;
+}
diff --git a/configs/mt7623n_bpir2_defconfig b/configs/mt7623n_bpir2_defconfig
new file mode 100644 (file)
index 0000000..3a4de72
--- /dev/null
@@ -0,0 +1,54 @@
+CONFIG_ARM=y
+CONFIG_SYS_THUMB_BUILD=y
+CONFIG_ARCH_MEDIATEK=y
+CONFIG_SYS_TEXT_BASE=0x81e00000
+CONFIG_SYS_MALLOC_F_LEN=0x4000
+CONFIG_TARGET_MT7623=y
+CONFIG_NR_DRAM_BANKS=1
+CONFIG_FIT=y
+CONFIG_FIT_VERBOSE=y
+CONFIG_BOOTDELAY=3
+CONFIG_SYS_CONSOLE_IS_IN_ENV=y
+CONFIG_DEFAULT_FDT_FILE="mt7623n-bananapi-bpi-r2"
+# CONFIG_DISPLAY_BOARDINFO is not set
+CONFIG_HUSH_PARSER=y
+CONFIG_SYS_PROMPT="U-Boot> "
+CONFIG_CMD_BOOTMENU=y
+# CONFIG_CMD_ELF is not set
+# CONFIG_CMD_XIMG is not set
+# CONFIG_CMD_FLASH is not set
+CONFIG_CMD_GPIO=y
+CONFIG_CMD_GPT=y
+CONFIG_CMD_MMC=y
+CONFIG_CMD_PART=y
+CONFIG_CMD_READ=y
+# CONFIG_CMD_SETEXPR is not set
+# CONFIG_CMD_NFS is not set
+CONFIG_CMD_PING=y
+CONFIG_CMD_FAT=y
+CONFIG_CMD_FS_GENERIC=y
+CONFIG_OF_EMBED=y
+CONFIG_DEFAULT_DEVICE_TREE="mt7623n-bananapi-bpi-r2"
+CONFIG_REGMAP=y
+CONFIG_SYSCON=y
+# CONFIG_BLOCK_CACHE is not set
+CONFIG_CLK=y
+CONFIG_DM_GPIO=y
+CONFIG_DM_MMC=y
+# CONFIG_MMC_QUIRKS is not set
+CONFIG_MMC_HS400_SUPPORT=y
+CONFIG_MMC_MTK=y
+CONFIG_PINCTRL=y
+CONFIG_PINCONF=y
+CONFIG_PINCTRL_MT7623=y
+CONFIG_POWER_DOMAIN=y
+CONFIG_MTK_POWER_DOMAIN=y
+CONFIG_DM_SERIAL=y
+CONFIG_MTK_SERIAL=y
+CONFIG_SYSRESET=y
+CONFIG_SYSRESET_WATCHDOG=y
+CONFIG_TIMER=y
+CONFIG_MTK_TIMER=y
+CONFIG_WDT_MTK=y
+CONFIG_LZMA=y
+# CONFIG_EFI_LOADER is not set
diff --git a/include/configs/mt7623.h b/include/configs/mt7623.h
new file mode 100644 (file)
index 0000000..68da920
--- /dev/null
@@ -0,0 +1,56 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Configuration for MediaTek MT7623 SoC
+ *
+ * Copyright (C) 2018 MediaTek Inc.
+ * Author: Weijie Gao <weijie.gao@mediatek.com>
+ */
+
+#ifndef __MT7623_H
+#define __MT7623_H
+
+#include <linux/sizes.h>
+
+/* Miscellaneous configurable options */
+#define CONFIG_SETUP_MEMORY_TAGS
+#define CONFIG_INITRD_TAG
+#define CONFIG_CMDLINE_TAG
+
+#define CONFIG_SYS_MAXARGS             8
+#define CONFIG_SYS_BOOTM_LEN           SZ_64M
+#define CONFIG_SYS_CBSIZE              SZ_1K
+#define CONFIG_SYS_PBSIZE              (CONFIG_SYS_CBSIZE +    \
+                                       sizeof(CONFIG_SYS_PROMPT) + 16)
+
+/* Size of malloc() pool */
+#define CONFIG_SYS_MALLOC_LEN          SZ_4M
+
+/* Environment */
+#define CONFIG_ENV_SIZE                        SZ_4K
+/* Allow to overwrite serial and ethaddr */
+#define CONFIG_ENV_OVERWRITE
+
+/* Preloader -> Uboot */
+#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)
+
+/* UBoot -> Kernel */
+#define CONFIG_LOADADDR                        0x84000000
+#define CONFIG_SYS_LOAD_ADDR           CONFIG_LOADADDR
+
+/* MMC */
+#define MMC_SUPPORTS_TUNING
+#define CONFIG_SUPPORT_EMMC_BOOT
+
+/* DRAM */
+#define CONFIG_SYS_SDRAM_BASE          0x80000000
+
+/* This is neede for kernel booting */
+#define FDT_HIGH                       "fdt_high=0xac000000\0"
+
+/* Extra environment variables */
+#define CONFIG_EXTRA_ENV_SETTINGS      \
+       FDT_HIGH
+
+#endif