From: Weijie Gao weijie.gao@mediatek.com
This adds a general board file based on MT7623 SoCs from MediaTek.
As this u-boot is loaded by 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 --- arch/arm/mach-mediatek/Kconfig | 8 +++ arch/arm/mach-mediatek/Makefile | 1 + arch/arm/mach-mediatek/mt7623/Makefile | 4 ++ arch/arm/mach-mediatek/mt7623/init.c | 53 ++++++++++++++ arch/arm/mach-mediatek/mt7623/lowlevel_init.S | 22 ++++++ arch/arm/mach-mediatek/mt7623/preloader.h | 99 +++++++++++++++++++++++++++ board/mediatek/mt7623/Kconfig | 13 ++++ board/mediatek/mt7623/MAINTAINERS | 7 ++ board/mediatek/mt7623/Makefile | 3 + board/mediatek/mt7623/mt7623_rfb.c | 16 +++++ include/configs/mt7623.h | 67 ++++++++++++++++++ 11 files changed, 293 insertions(+) create mode 100644 arch/arm/mach-mediatek/mt7623/Makefile create mode 100644 arch/arm/mach-mediatek/mt7623/init.c create mode 100644 arch/arm/mach-mediatek/mt7623/lowlevel_init.S create mode 100644 arch/arm/mach-mediatek/mt7623/preloader.h create mode 100644 board/mediatek/mt7623/Kconfig create mode 100644 board/mediatek/mt7623/MAINTAINERS create mode 100644 board/mediatek/mt7623/Makefile create mode 100644 board/mediatek/mt7623/mt7623_rfb.c create mode 100644 include/configs/mt7623.h
diff --git a/arch/arm/mach-mediatek/Kconfig b/arch/arm/mach-mediatek/Kconfig index a932e70..b39bc44 100644 --- a/arch/arm/mach-mediatek/Kconfig +++ b/arch/arm/mach-mediatek/Kconfig @@ -9,6 +9,13 @@ config SYS_VENDOR choice prompt "MediaTek board select"
+config TARGET_MT7623 + bool "MediaTek MT7623 SoC" + select CPU_V7A + select ARCH_MISC_INIT + help + Support MediaTek MT7623 SoC. + config TARGET_MT7629 bool "MediaTek MT7629 SoC" select CPU_V7A @@ -19,6 +26,7 @@ config TARGET_MT7629
endchoice
+source "board/mediatek/mt7623/Kconfig" source "board/mediatek/mt7629/Kconfig"
endif diff --git a/arch/arm/mach-mediatek/Makefile b/arch/arm/mach-mediatek/Makefile index 852d330..b5d3a37 100644 --- a/arch/arm/mach-mediatek/Makefile +++ b/arch/arm/mach-mediatek/Makefile @@ -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 index 0000000..007eb4a --- /dev/null +++ b/arch/arm/mach-mediatek/mt7623/Makefile @@ -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 index 0000000..bec0570 --- /dev/null +++ b/arch/arm/mach-mediatek/mt7623/init.c @@ -0,0 +1,53 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2018 MediaTek Inc. + */ + +#include <asm/arch/misc.h> +#include <common.h> +#include <linux/io.h> +#include <linux/sizes.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 index 0000000..afb9476 --- /dev/null +++ b/arch/arm/mach-mediatek/mt7623/lowlevel_init.S @@ -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 index 0000000..2d2c71a --- /dev/null +++ b/arch/arm/mach-mediatek/mt7623/preloader.h @@ -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 index 0000000..a8c670e --- /dev/null +++ b/board/mediatek/mt7623/Kconfig @@ -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 index 0000000..2a78b72 --- /dev/null +++ b/board/mediatek/mt7623/MAINTAINERS @@ -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-bananapi-bpi-r2_defconfig diff --git a/board/mediatek/mt7623/Makefile b/board/mediatek/mt7623/Makefile new file mode 100644 index 0000000..2b42071 --- /dev/null +++ b/board/mediatek/mt7623/Makefile @@ -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 index 0000000..08468b5 --- /dev/null +++ b/board/mediatek/mt7623/mt7623_rfb.c @@ -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/include/configs/mt7623.h b/include/configs/mt7623.h new file mode 100644 index 0000000..7302d4b --- /dev/null +++ b/include/configs/mt7623.h @@ -0,0 +1,67 @@ +/* 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> + +#include <dt-bindings/clock/mt7623-clk.h> +#include <dt-bindings/power/mt7623-power.h> + +/* Machine ID */ +#define CONFIG_MACH_TYPE 7623 + +/* 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 + +/* Serial device */ +#define CONFIG_SYS_NS16550_CLK 26000000 +#define CONFIG_SYS_NS16550_MEM32 +#define CONFIG_BAUDRATE 115200 + +/* 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