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https://github.com/AsahiLinux/u-boot
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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>
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12 changed files with 342 additions and 0 deletions
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@ -9,6 +9,18 @@ config SYS_VENDOR
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choice
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prompt "MediaTek board select"
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config TARGET_MT7623
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bool "MediaTek MT7623 SoC"
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select CPU_V7A
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select ARCH_MISC_INIT
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help
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The MediaTek MT7623 is a ARM-based SoC with a quad-core Cortex-A7
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including NEON and GPU, Mali-450 graphics, several DDR3 options,
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crypto engine, built-in Wi-Fi / Bluetooth combo chip, JPEG decoder,
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video interfaces supporting HDMI and MIPI, and video codec support.
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Peripherals include Gigabit Ethernet, switch, USB3.0 and OTG, PCIe,
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I2S, PCM, S/PDIF, UART, SPI, I2C, IR TX/RX, and PWM.
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config TARGET_MT7629
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bool "MediaTek MT7629 SoC"
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select CPU_V7A
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@ -21,6 +33,7 @@ config TARGET_MT7629
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endchoice
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source "board/mediatek/mt7623/Kconfig"
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source "board/mediatek/mt7629/Kconfig"
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endif
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@ -3,4 +3,5 @@
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obj-y += cpu.o
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obj-$(CONFIG_SPL_BUILD) += spl.o
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obj-$(CONFIG_TARGET_MT7623) += mt7623/
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obj-$(CONFIG_TARGET_MT7629) += mt7629/
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4
arch/arm/mach-mediatek/mt7623/Makefile
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4
arch/arm/mach-mediatek/mt7623/Makefile
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@ -0,0 +1,4 @@
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# SPDX-License-Identifier: GPL-2.0
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obj-y += init.o
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obj-y += lowlevel_init.o
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54
arch/arm/mach-mediatek/mt7623/init.c
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54
arch/arm/mach-mediatek/mt7623/init.c
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@ -0,0 +1,54 @@
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// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (C) 2018 MediaTek Inc.
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*/
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#include <common.h>
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#include <linux/io.h>
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#include <linux/sizes.h>
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#include <asm/arch/misc.h>
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#include "preloader.h"
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DECLARE_GLOBAL_DATA_PTR;
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struct boot_argument *preloader_param;
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int mtk_soc_early_init(void)
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{
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return 0;
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}
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int dram_init(void)
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{
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u32 i;
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if (((size_t)preloader_param >= CONFIG_SYS_SDRAM_BASE) &&
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((size_t)preloader_param % sizeof(size_t) == 0) &&
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preloader_param->magic == BOOT_ARGUMENT_MAGIC &&
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preloader_param->dram_rank_num <=
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ARRAY_SIZE(preloader_param->dram_rank_size)) {
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gd->ram_size = 0;
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for (i = 0; i < preloader_param->dram_rank_num; i++)
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gd->ram_size += preloader_param->dram_rank_size[i];
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} else {
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gd->ram_size = get_ram_size((long *)CONFIG_SYS_SDRAM_BASE,
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SZ_2G);
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}
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return 0;
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}
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int print_cpuinfo(void)
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{
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void __iomem *chipid;
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u32 swver;
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chipid = ioremap(VER_BASE, VER_SIZE);
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swver = readl(chipid + APSW_VER);
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printf("CPU: MediaTek MT7623 E%d\n", (swver & 0xf) + 1);
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return 0;
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}
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22
arch/arm/mach-mediatek/mt7623/lowlevel_init.S
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22
arch/arm/mach-mediatek/mt7623/lowlevel_init.S
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@ -0,0 +1,22 @@
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/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (C) 2018 MediaTek Inc.
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*/
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#include <linux/linkage.h>
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.extern preloader_param
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ENTRY(save_boot_params)
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ldr r6, =preloader_param
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str r4, [r6]
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b save_boot_params_ret
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ENDPROC(save_boot_params)
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ENTRY(lowlevel_init)
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/* enable SMP bit */
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mrc p15, 0, r0, c1, c0, 1
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orr r0, r0, #0x40
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mcr p15, 0, r0, c1, c0, 1
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mov pc, lr
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ENDPROC(lowlevel_init)
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99
arch/arm/mach-mediatek/mt7623/preloader.h
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99
arch/arm/mach-mediatek/mt7623/preloader.h
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@ -0,0 +1,99 @@
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/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (C) 2018 MediaTek Inc.
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*/
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#ifndef __PRELOADER_H_
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#define __PRELOADER_H_
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enum forbidden_mode {
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F_FACTORY_MODE = 0x0001
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};
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union lk_hdr {
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struct {
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u32 magic;
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u32 size;
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char name[32];
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u32 loadaddr;
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};
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u8 data[512];
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};
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struct sec_limit {
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unsigned int magic_num;
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enum forbidden_mode forbid_mode;
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};
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enum bootmode {
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NORMAL_BOOT = 0,
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META_BOOT = 1,
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RECOVERY_BOOT = 2,
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SW_REBOOT = 3,
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FACTORY_BOOT = 4,
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ADVMETA_BOOT = 5,
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ATE_FACTORY_BOOT = 6,
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ALARM_BOOT = 7,
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KERNEL_POWER_OFF_CHARGING_BOOT = 8,
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LOW_POWER_OFF_CHARGING_BOOT = 9,
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FAST_BOOT = 99,
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DOWNLOAD_BOOT = 100,
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UNKNOWN_BOOT
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};
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enum boot_reason {
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BR_POWER_KEY = 0,
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BR_USB,
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BR_RTC,
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BR_WDT,
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BR_WDT_BY_PASS_PWK,
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BR_TOOL_BY_PASS_PWK,
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BR_2SEC_REBOOT,
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BR_UNKNOWN
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};
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enum meta_com_type {
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META_UNKNOWN_COM = 0,
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META_UART_COM,
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META_USB_COM
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};
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struct da_info_t {
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u32 addr;
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u32 arg1;
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u32 arg2;
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u32 len;
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u32 sig_len;
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};
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struct boot_argument {
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u32 magic;
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enum bootmode boot_mode;
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u32 e_flag;
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u32 log_port;
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u32 log_baudrate;
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u8 log_enable;
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u8 part_num;
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u8 reserved[2];
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u32 dram_rank_num;
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u32 dram_rank_size[4];
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u32 boot_reason;
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enum meta_com_type meta_com_type;
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u32 meta_com_id;
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u32 boot_time;
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struct da_info_t da_info;
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struct sec_limit sec_limit;
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union lk_hdr *part_info;
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u8 md_type[4];
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u32 ddr_reserve_enable;
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u32 ddr_reserve_success;
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u32 chip_ver;
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char pl_version[8];
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};
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#define BOOT_ARGUMENT_MAGIC 0x504c504c
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#endif /* __PRELOADER_H_ */
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13
board/mediatek/mt7623/Kconfig
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13
board/mediatek/mt7623/Kconfig
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@ -0,0 +1,13 @@
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if TARGET_MT7623
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config SYS_BOARD
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default "mt7623"
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config SYS_CONFIG_NAME
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default "mt7623"
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config MTK_BROM_HEADER_INFO
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string
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default "lk=1"
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endif
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7
board/mediatek/mt7623/MAINTAINERS
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7
board/mediatek/mt7623/MAINTAINERS
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@ -0,0 +1,7 @@
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MT7623
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M: Ryder Lee <ryder.lee@mediatek.com>
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M: Weijie Gao <weijie.gao@mediatek.com>
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S: Maintained
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F: board/mediatek/mt7623
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F: include/configs/mt7623.h
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F: configs/mt7623n_bpir2_defconfig
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3
board/mediatek/mt7623/Makefile
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3
board/mediatek/mt7623/Makefile
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@ -0,0 +1,3 @@
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# SPDX-License-Identifier: GPL-2.0
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obj-y += mt7623_rfb.o
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board/mediatek/mt7623/mt7623_rfb.c
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board/mediatek/mt7623/mt7623_rfb.c
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@ -0,0 +1,16 @@
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// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (C) 2018 MediaTek Inc.
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*/
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#include <common.h>
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DECLARE_GLOBAL_DATA_PTR;
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int board_init(void)
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{
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/* address of boot parameters */
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gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
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return 0;
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}
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54
configs/mt7623n_bpir2_defconfig
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54
configs/mt7623n_bpir2_defconfig
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CONFIG_ARM=y
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CONFIG_SYS_THUMB_BUILD=y
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CONFIG_ARCH_MEDIATEK=y
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CONFIG_SYS_TEXT_BASE=0x81e00000
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CONFIG_SYS_MALLOC_F_LEN=0x4000
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CONFIG_TARGET_MT7623=y
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CONFIG_NR_DRAM_BANKS=1
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CONFIG_FIT=y
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CONFIG_FIT_VERBOSE=y
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CONFIG_BOOTDELAY=3
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CONFIG_SYS_CONSOLE_IS_IN_ENV=y
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CONFIG_DEFAULT_FDT_FILE="mt7623n-bananapi-bpi-r2"
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# CONFIG_DISPLAY_BOARDINFO is not set
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CONFIG_HUSH_PARSER=y
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CONFIG_SYS_PROMPT="U-Boot> "
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CONFIG_CMD_BOOTMENU=y
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# CONFIG_CMD_ELF is not set
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# CONFIG_CMD_XIMG is not set
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# CONFIG_CMD_FLASH is not set
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CONFIG_CMD_GPIO=y
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CONFIG_CMD_GPT=y
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CONFIG_CMD_MMC=y
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CONFIG_CMD_PART=y
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CONFIG_CMD_READ=y
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# CONFIG_CMD_SETEXPR is not set
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# CONFIG_CMD_NFS is not set
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CONFIG_CMD_PING=y
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CONFIG_CMD_FAT=y
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CONFIG_CMD_FS_GENERIC=y
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CONFIG_OF_EMBED=y
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CONFIG_DEFAULT_DEVICE_TREE="mt7623n-bananapi-bpi-r2"
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CONFIG_REGMAP=y
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CONFIG_SYSCON=y
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# CONFIG_BLOCK_CACHE is not set
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CONFIG_CLK=y
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CONFIG_DM_GPIO=y
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CONFIG_DM_MMC=y
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# CONFIG_MMC_QUIRKS is not set
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CONFIG_MMC_HS400_SUPPORT=y
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CONFIG_MMC_MTK=y
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CONFIG_PINCTRL=y
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CONFIG_PINCONF=y
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CONFIG_PINCTRL_MT7623=y
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CONFIG_POWER_DOMAIN=y
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CONFIG_MTK_POWER_DOMAIN=y
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CONFIG_DM_SERIAL=y
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CONFIG_MTK_SERIAL=y
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CONFIG_SYSRESET=y
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CONFIG_SYSRESET_WATCHDOG=y
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CONFIG_TIMER=y
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CONFIG_MTK_TIMER=y
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CONFIG_WDT_MTK=y
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CONFIG_LZMA=y
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# CONFIG_EFI_LOADER is not set
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56
include/configs/mt7623.h
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56
include/configs/mt7623.h
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@ -0,0 +1,56 @@
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/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Configuration for MediaTek MT7623 SoC
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*
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* Copyright (C) 2018 MediaTek Inc.
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* Author: Weijie Gao <weijie.gao@mediatek.com>
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*/
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#ifndef __MT7623_H
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#define __MT7623_H
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#include <linux/sizes.h>
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/* Miscellaneous configurable options */
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#define CONFIG_SETUP_MEMORY_TAGS
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#define CONFIG_INITRD_TAG
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#define CONFIG_CMDLINE_TAG
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#define CONFIG_SYS_MAXARGS 8
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#define CONFIG_SYS_BOOTM_LEN SZ_64M
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#define CONFIG_SYS_CBSIZE SZ_1K
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#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \
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sizeof(CONFIG_SYS_PROMPT) + 16)
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/* Size of malloc() pool */
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#define CONFIG_SYS_MALLOC_LEN SZ_4M
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/* Environment */
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#define CONFIG_ENV_SIZE SZ_4K
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/* Allow to overwrite serial and ethaddr */
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#define CONFIG_ENV_OVERWRITE
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/* Preloader -> Uboot */
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#define CONFIG_SYS_UBOOT_START CONFIG_SYS_TEXT_BASE
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#define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_TEXT_BASE + SZ_2M - \
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GENERATED_GBL_DATA_SIZE)
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/* UBoot -> Kernel */
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#define CONFIG_LOADADDR 0x84000000
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#define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR
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/* MMC */
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#define MMC_SUPPORTS_TUNING
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#define CONFIG_SUPPORT_EMMC_BOOT
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/* DRAM */
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#define CONFIG_SYS_SDRAM_BASE 0x80000000
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/* This is neede for kernel booting */
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#define FDT_HIGH "fdt_high=0xac000000\0"
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/* Extra environment variables */
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#define CONFIG_EXTRA_ENV_SETTINGS \
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FDT_HIGH
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#endif
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