uboot-vybrid_public/include/configs/rpi_b.h

/*
 * (C) Copyright 2012 Stephen Warren
 *
 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * version 2 as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */

#ifndef __CONFIG_H
#define __CONFIG_H

#include <asm/sizes.h>

/* Architecture, CPU, etc.*/
#define CONFIG_ARM1176
#define CONFIG_BCM2835
#define CONFIG_ARCH_CPU_INIT
#define CONFIG_SYS_DCACHE_OFF
/*
 * 2835 is a SKU in a series for which the 2708 is the first or primary SoC,
 * so 2708 has historically been used rather than a dedicated 2835 ID.
 */
#define CONFIG_MACH_TYPE		MACH_TYPE_BCM2708

/* Timer */
#define CONFIG_SYS_HZ			1000000

/* Memory layout */
#define CONFIG_NR_DRAM_BANKS		1
#define CONFIG_SYS_SDRAM_BASE		0x00000000
#define CONFIG_SYS_TEXT_BASE		0x00008000
#define CONFIG_SYS_UBOOT_BASE		CONFIG_SYS_TEXT_BASE
/*
 * The board really has 256M. However, the VC (VideoCore co-processor) shares
 * the RAM, and uses a configurable portion at the top. We tell U-Boot that a
 * smaller amount of RAM is present in order to avoid stomping on the area
 * the VC uses.
 */
#define CONFIG_SYS_SDRAM_SIZE		SZ_128M
#define CONFIG_SYS_INIT_SP_ADDR		(CONFIG_SYS_SDRAM_BASE + \
					 CONFIG_SYS_SDRAM_SIZE - \
					 GENERATED_GBL_DATA_SIZE)
#define CONFIG_SYS_MALLOC_LEN		SZ_4M
#define CONFIG_SYS_MEMTEST_START	0x00100000
#define CONFIG_SYS_MEMTEST_END		0x00200000

/* Flash */
#define CONFIG_SYS_NO_FLASH

/* Devices */
/* GPIO */
#define CONFIG_BCM2835_GPIO

/* Console UART */
#define CONFIG_PL011_SERIAL
#define CONFIG_PL011_CLOCK		3000000
#define CONFIG_PL01x_PORTS		{ (void *)0x20201000 }
#define CONFIG_CONS_INDEX		0
#define CONFIG_BAUDRATE			115200

/* Console configuration */
#define CONFIG_SYS_CBSIZE		1024
#define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE +		\
					 sizeof(CONFIG_SYS_PROMPT) + 16)

/* Environment */
#define CONFIG_ENV_SIZE			SZ_16K
#define CONFIG_ENV_IS_NOWHERE
#define CONFIG_SYS_LOAD_ADDR		0x1000000

/* Shell */
#define CONFIG_SYS_HUSH_PARSER
#define CONFIG_SYS_MAXARGS		8
#define CONFIG_SYS_PROMPT		"U-Boot> "
#define CONFIG_SYS_LONGHELP
#define CONFIG_CMDLINE_EDITING
#define CONFIG_COMMAND_HISTORY
#define CONFIG_AUTO_COMPLETE

/* Commands */
#include <config_cmd_default.h>
#define CONFIG_CMD_BOOTZ
#define CONFIG_CMD_GPIO
/* Some things don't make sense on this HW or yet */
#undef CONFIG_CMD_FPGA
#undef CONFIG_CMD_NET
#undef CONFIG_CMD_NFS
#undef CONFIG_CMD_SAVEENV

/* Device tree support for bootm/bootz */
#define CONFIG_OF_LIBFDT
/* ATAGs support for bootm/bootz */
#define CONFIG_SETUP_MEMORY_TAGS
#define CONFIG_CMDLINE_TAG
#define CONFIG_INITRD_TAG

#endif