diff options
author | Weijie Gao <weijie.gao@mediatek.com> | 2018-11-15 10:07:53 +0800 |
---|---|---|
committer | Tom Rini <trini@konsulko.com> | 2018-11-28 23:04:50 -0500 |
commit | 361e13f1d5c893caf40a6026405c0e1b615e90ea (patch) | |
tree | df0edbe4275f4f05d0bfc92494615e746a994636 /arch/arm/mach-mediatek | |
parent | cbd2fba1eca11300649052e289685e7404e0b81c (diff) |
arm: MediaTek: add basic support for MT7623 boards
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>
Diffstat (limited to 'arch/arm/mach-mediatek')
-rw-r--r-- | arch/arm/mach-mediatek/Kconfig | 13 | ||||
-rw-r--r-- | arch/arm/mach-mediatek/Makefile | 1 | ||||
-rw-r--r-- | arch/arm/mach-mediatek/mt7623/Makefile | 4 | ||||
-rw-r--r-- | arch/arm/mach-mediatek/mt7623/init.c | 54 | ||||
-rw-r--r-- | arch/arm/mach-mediatek/mt7623/lowlevel_init.S | 22 | ||||
-rw-r--r-- | arch/arm/mach-mediatek/mt7623/preloader.h | 99 |
6 files changed, 193 insertions, 0 deletions
diff --git a/arch/arm/mach-mediatek/Kconfig b/arch/arm/mach-mediatek/Kconfig index d2ada9774d..7a733e95df 100644 --- a/arch/arm/mach-mediatek/Kconfig +++ b/arch/arm/mach-mediatek/Kconfig @@ -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 diff --git a/arch/arm/mach-mediatek/Makefile b/arch/arm/mach-mediatek/Makefile index 852d33097b..b5d3a379bc 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 0000000000..007eb4a367 --- /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 0000000000..0ee8c6664c --- /dev/null +++ b/arch/arm/mach-mediatek/mt7623/init.c @@ -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 index 0000000000..afb94767ee --- /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 0000000000..2d2c71ad4c --- /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_ */ |