mirror of
https://github.com/AsahiLinux/u-boot
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105 lines
2.9 KiB
C
105 lines
2.9 KiB
C
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/*
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* (C) Copyright 2012 Stephen Warren
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef __CONFIG_H
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#define __CONFIG_H
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#include <asm/sizes.h>
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/* Architecture, CPU, etc.*/
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#define CONFIG_ARM1176
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#define CONFIG_BCM2835
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#define CONFIG_ARCH_CPU_INIT
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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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#define CONFIG_MACH_TYPE MACH_TYPE_BCM2708
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/* Timer */
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#define CONFIG_SYS_HZ 1000000
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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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/* 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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/* Console UART */
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#define CONFIG_PL011_SERIAL
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#define CONFIG_PL011_CLOCK 3000000
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#define CONFIG_PL01x_PORTS { (void *)0x20201000 }
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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_NOWHERE
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#define CONFIG_SYS_LOAD_ADDR 0x1000000
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/* Shell */
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#define CONFIG_SYS_HUSH_PARSER
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#define CONFIG_SYS_MAXARGS 8
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#define CONFIG_SYS_PROMPT "U-Boot> "
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#define CONFIG_SYS_LONGHELP
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#define CONFIG_CMDLINE_EDITING
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#define CONFIG_COMMAND_HISTORY
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#define CONFIG_AUTO_COMPLETE
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/* Commands */
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#include <config_cmd_default.h>
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#define CONFIG_CMD_BOOTZ
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#define CONFIG_CMD_GPIO
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/* Some things don't make sense on this HW or yet */
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#undef CONFIG_CMD_FPGA
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#undef CONFIG_CMD_NET
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#undef CONFIG_CMD_NFS
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#undef CONFIG_CMD_SAVEENV
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/* Device tree support for bootm/bootz */
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#define CONFIG_OF_LIBFDT
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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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#endif
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