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https://github.com/brain-hackers/u-boot-brain
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181bd9dc61
Add option to set shell prompt string from menuconfig and migrate boards globally. The migration is done as follows: - Boards that explicitly and unconditionally set CONFIG_SYS_PROMPT had the entry moved to their defconfig files. - Boards that defined some kind of #ifdef logic which selects the CONFIG_SYS_PROMPT (for example qemu-mips) got an #undef CONFIG_SYS_PROMPT right before the #ifdef logic and were left alone. - This change forces CONFIG_SYS_PROMPT to be a per board decision, and thus CONFIG_SYS_PROMPT was removed from all <soc>_common.h and <arch>_common.h files. This results in a streamlined default value across platforms, and includes the following files: spear-common, sunxi-common, mv-common, ti_armv7_common, tegra-common, at91-sama5_common, and zynq-common. - Boards that relied on <arch/soc>_common.h values of CONFIG_SYS_PROMPT were not updated in their respective defconfig files under the assumption that since they did not explicitly define a value, they're fine with whatever the default is. - On the other hand, boards that relied on a value defined in some <boards>_common.h file such as woodburn_common, rpi-common, bur_am335x_common, ls2085a_common, siemens_am33x_common, and omap3_evm_common, had their values moved to the respective defconfig files. - The define V_PROMPT was removed, since it is not used anywhere except for assigning a value for CONFIG_SYS_PROMPT. Cc: Tom Rini <trini@konsulko.com> Cc: Masahiro Yamada <yamada.m@jp.panasonic.com> Cc: Stefano Babic <sbabic@denx.de> Cc: Igor Grinberg <grinberg@compulab.co.il> Signed-off-by: Nikita Kiryanov <nikita@compulab.co.il> [trini: Add spring, sniper, smartweb to conversion] Signed-off-by: Tom Rini <trini@konsulko.com>
187 lines
5.2 KiB
C
187 lines
5.2 KiB
C
/*
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* (C) Copyright 2012,2015 Stephen Warren
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*
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* SPDX-License-Identifier: GPL-2.0
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*/
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#ifndef _RPI_COMMON_H_
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#define _RPI_COMMON_H_
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#include <linux/sizes.h>
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#include <asm/arch/timer.h>
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/* Architecture, CPU, etc.*/
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#define CONFIG_SYS_GENERIC_BOARD
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#define CONFIG_BCM2835
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#define CONFIG_ARCH_CPU_INIT
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#define CONFIG_SYS_TIMER_RATE 1000000
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#define CONFIG_SYS_TIMER_COUNTER \
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(&((struct bcm2835_timer_regs *)BCM2835_TIMER_PHYSADDR)->clo)
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/*
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* 2835 is a SKU in a series for which the 2708 is the first or primary SoC,
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* so 2708 has historically been used rather than a dedicated 2835 ID.
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*
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* We don't define a machine type for bcm2709/bcm2836 since the RPi Foundation
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* chose to use someone else's previously registered machine ID (3139, MX51_GGC)
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* rather than obtaining a valid ID:-/
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*/
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#ifndef CONFIG_BCM2836
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#define CONFIG_MACH_TYPE MACH_TYPE_BCM2708
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#endif
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/* Memory layout */
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#define CONFIG_NR_DRAM_BANKS 1
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#define CONFIG_SYS_SDRAM_BASE 0x00000000
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#define CONFIG_SYS_TEXT_BASE 0x00008000
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#define CONFIG_SYS_UBOOT_BASE CONFIG_SYS_TEXT_BASE
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/*
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* The board really has 256M. However, the VC (VideoCore co-processor) shares
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* the RAM, and uses a configurable portion at the top. We tell U-Boot that a
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* smaller amount of RAM is present in order to avoid stomping on the area
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* the VC uses.
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*/
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#define CONFIG_SYS_SDRAM_SIZE SZ_128M
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#define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_SDRAM_BASE + \
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CONFIG_SYS_SDRAM_SIZE - \
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GENERATED_GBL_DATA_SIZE)
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#define CONFIG_SYS_MALLOC_LEN SZ_4M
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#define CONFIG_SYS_MEMTEST_START 0x00100000
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#define CONFIG_SYS_MEMTEST_END 0x00200000
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#define CONFIG_LOADADDR 0x00200000
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/* Flash */
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#define CONFIG_SYS_NO_FLASH
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/* Devices */
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/* GPIO */
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#define CONFIG_BCM2835_GPIO
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/* LCD */
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#define CONFIG_LCD
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#define CONFIG_LCD_DT_SIMPLEFB
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#define LCD_BPP LCD_COLOR16
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/*
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* Prevent allocation of RAM for FB; the real FB address is queried
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* dynamically from the VideoCore co-processor, and comes from RAM
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* not owned by the ARM CPU.
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*/
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#define CONFIG_FB_ADDR 0
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#define CONFIG_VIDEO_BCM2835
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#define CONFIG_SYS_WHITE_ON_BLACK
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/* SD/MMC configuration */
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#define CONFIG_GENERIC_MMC
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#define CONFIG_MMC
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#define CONFIG_SDHCI
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#define CONFIG_MMC_SDHCI_IO_ACCESSORS
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#define CONFIG_BCM2835_SDHCI
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#define CONFIG_CMD_USB
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#ifdef CONFIG_CMD_USB
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#define CONFIG_USB_DWC2
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#ifdef CONFIG_BCM2836
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#define CONFIG_USB_DWC2_REG_ADDR 0x3f980000
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#else
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#define CONFIG_USB_DWC2_REG_ADDR 0x20980000
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#endif
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#define CONFIG_USB_STORAGE
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#define CONFIG_USB_HOST_ETHER
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#define CONFIG_USB_ETHER_SMSC95XX
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#define CONFIG_MISC_INIT_R
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#endif
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/* Console UART */
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#define CONFIG_PL01X_SERIAL
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#define CONFIG_CONS_INDEX 0
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#define CONFIG_BAUDRATE 115200
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/* Console configuration */
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#define CONFIG_SYS_CBSIZE 1024
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#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \
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sizeof(CONFIG_SYS_PROMPT) + 16)
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/* Environment */
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#define CONFIG_ENV_SIZE SZ_16K
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#define CONFIG_ENV_IS_IN_FAT
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#define FAT_ENV_INTERFACE "mmc"
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#define FAT_ENV_DEVICE_AND_PART "0:1"
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#define FAT_ENV_FILE "uboot.env"
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#define CONFIG_FAT_WRITE
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#define CONFIG_ENV_VARS_UBOOT_CONFIG
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#define CONFIG_SYS_LOAD_ADDR 0x1000000
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#define CONFIG_CONSOLE_MUX
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#define CONFIG_SYS_CONSOLE_IS_IN_ENV
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/* Shell */
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#define CONFIG_SYS_MAXARGS 8
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#define CONFIG_COMMAND_HISTORY
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/* Commands */
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#define CONFIG_CMD_GPIO
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#define CONFIG_CMD_MMC
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#define CONFIG_PARTITION_UUIDS
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#define CONFIG_CMD_PART
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/* Device tree support */
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#define CONFIG_OF_BOARD_SETUP
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/* ATAGs support for bootm/bootz */
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#define CONFIG_SETUP_MEMORY_TAGS
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#define CONFIG_CMDLINE_TAG
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#define CONFIG_INITRD_TAG
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#include <config_distro_defaults.h>
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/* Environment */
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#define ENV_DEVICE_SETTINGS \
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"stdin=serial,lcd\0" \
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"stdout=serial,lcd\0" \
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"stderr=serial,lcd\0"
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/*
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* Memory layout for where various images get loaded by boot scripts:
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*
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* scriptaddr can be pretty much anywhere that doesn't conflict with something
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* else. Put it low in memory to avoid conflicts.
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*
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* pxefile_addr_r can be pretty much anywhere that doesn't conflict with
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* something else. Put it low in memory to avoid conflicts.
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*
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* kernel_addr_r must be within the first 128M of RAM in order for the
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* kernel's CONFIG_AUTO_ZRELADDR option to work. Since the kernel will
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* decompress itself to 0x8000 after the start of RAM, kernel_addr_r
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* should not overlap that area, or the kernel will have to copy itself
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* somewhere else before decompression. Similarly, the address of any other
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* data passed to the kernel shouldn't overlap the start of RAM. Pushing
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* this up to 16M allows for a sizable kernel to be decompressed below the
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* compressed load address.
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*
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* fdt_addr_r simply shouldn't overlap anything else. Choosing 32M allows for
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* the compressed kernel to be up to 16M too.
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*
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* ramdisk_addr_r simply shouldn't overlap anything else. Choosing 33M allows
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* for the FDT/DTB to be up to 1M, which is hopefully plenty.
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*/
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#define ENV_MEM_LAYOUT_SETTINGS \
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"scriptaddr=0x00000000\0" \
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"pxefile_addr_r=0x00100000\0" \
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"kernel_addr_r=0x01000000\0" \
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"fdt_addr_r=0x02000000\0" \
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"ramdisk_addr_r=0x02100000\0" \
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#define BOOT_TARGET_DEVICES(func) \
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func(MMC, mmc, 0) \
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func(USB, usb, 0) \
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func(PXE, pxe, na) \
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func(DHCP, dhcp, na)
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#include <config_distro_bootcmd.h>
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#define CONFIG_EXTRA_ENV_SETTINGS \
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ENV_DEVICE_SETTINGS \
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ENV_MEM_LAYOUT_SETTINGS \
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BOOTENV
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#define CONFIG_BOOTDELAY 2
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#endif
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