diff options
author | Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
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committer | Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/u-boot/arch/arm/mach-mediatek/mt7623 | |
parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/u-boot/arch/arm/mach-mediatek/mt7623')
4 files changed, 181 insertions, 0 deletions
diff --git a/roms/u-boot/arch/arm/mach-mediatek/mt7623/Makefile b/roms/u-boot/arch/arm/mach-mediatek/mt7623/Makefile new file mode 100644 index 000000000..007eb4a36 --- /dev/null +++ b/roms/u-boot/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/roms/u-boot/arch/arm/mach-mediatek/mt7623/init.c b/roms/u-boot/arch/arm/mach-mediatek/mt7623/init.c new file mode 100644 index 000000000..5d837e059 --- /dev/null +++ b/roms/u-boot/arch/arm/mach-mediatek/mt7623/init.c @@ -0,0 +1,56 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2018 MediaTek Inc. + */ + +#include <common.h> +#include <init.h> +#include <asm/global_data.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/roms/u-boot/arch/arm/mach-mediatek/mt7623/lowlevel_init.S b/roms/u-boot/arch/arm/mach-mediatek/mt7623/lowlevel_init.S new file mode 100644 index 000000000..afb94767e --- /dev/null +++ b/roms/u-boot/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/roms/u-boot/arch/arm/mach-mediatek/mt7623/preloader.h b/roms/u-boot/arch/arm/mach-mediatek/mt7623/preloader.h new file mode 100644 index 000000000..2d2c71ad4 --- /dev/null +++ b/roms/u-boot/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_ */ |