[people/ms/u-boot.git] / 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
/* LCD */
#define CONFIG_LCD
#define LCD_BPP				LCD_COLOR16
/*
 * Prevent allocation of RAM for FB; the real FB address is queried
 * dynamically from the VideoCore co-processor, and comes from RAM
 * not owned by the ARM CPU.
 */
#define CONFIG_FB_ADDR			0
#define CONFIG_VIDEO_BCM2835
#define CONFIG_SYS_WHITE_ON_BLACK

/* 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
#define CONFIG_CONSOLE_MUX
#define CONFIG_SYS_CONSOLE_IS_IN_ENV
#define CONFIG_EXTRA_ENV_SETTINGS	"stdin=serial\0" \
					"stderr=serial,lcd\0" \
					"stdout=serial,lcd\0"

/* 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
Commit	Line	Data
0d04f34a SW	1	/*
	2	* (C) Copyright 2012 Stephen Warren
	3	*
	4	* See file CREDITS for list of people who contributed to this
	5	* project.
	6	*
	7	* This program is free software; you can redistribute it and/or
	8	* modify it under the terms of the GNU General Public License
	9	* version 2 as published by the Free Software Foundation.
	10	*
	11	* This program is distributed in the hope that it will be useful, but
	12	* WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	* GNU General Public License for more details.
	15	*/
	16
	17	#ifndef __CONFIG_H
	18	#define __CONFIG_H
	19
	20	#include <asm/sizes.h>
	21
	22	/* Architecture, CPU, etc.*/
	23	#define CONFIG_ARM1176
	24	#define CONFIG_BCM2835
	25	#define CONFIG_ARCH_CPU_INIT
38baa4f6	26	#define CONFIG_SYS_DCACHE_OFF
0d04f34a SW	27	/*
	28	* 2835 is a SKU in a series for which the 2708 is the first or primary SoC,
	29	* so 2708 has historically been used rather than a dedicated 2835 ID.
	30	*/
	31	#define CONFIG_MACH_TYPE MACH_TYPE_BCM2708
	32
	33	/* Timer */
	34	#define CONFIG_SYS_HZ 1000000
	35
	36	/* Memory layout */
	37	#define CONFIG_NR_DRAM_BANKS 1
	38	#define CONFIG_SYS_SDRAM_BASE 0x00000000
	39	#define CONFIG_SYS_TEXT_BASE 0x00008000
	40	#define CONFIG_SYS_UBOOT_BASE CONFIG_SYS_TEXT_BASE
	41	/*
	42	* The board really has 256M. However, the VC (VideoCore co-processor) shares
	43	* the RAM, and uses a configurable portion at the top. We tell U-Boot that a
	44	* smaller amount of RAM is present in order to avoid stomping on the area
	45	* the VC uses.
	46	*/
	47	#define CONFIG_SYS_SDRAM_SIZE SZ_128M
	48	#define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_SDRAM_BASE + \
	49	CONFIG_SYS_SDRAM_SIZE - \
	50	GENERATED_GBL_DATA_SIZE)
	51	#define CONFIG_SYS_MALLOC_LEN SZ_4M
	52	#define CONFIG_SYS_MEMTEST_START 0x00100000
	53	#define CONFIG_SYS_MEMTEST_END 0x00200000
	54
	55	/* Flash */
	56	#define CONFIG_SYS_NO_FLASH
	57
	58	/* Devices */
	59	/* GPIO */
	60	#define CONFIG_BCM2835_GPIO
6be3c9fc SW	61	/* LCD */
	62	#define CONFIG_LCD
	63	#define LCD_BPP LCD_COLOR16
	64	/*
	65	* Prevent allocation of RAM for FB; the real FB address is queried
	66	* dynamically from the VideoCore co-processor, and comes from RAM
	67	* not owned by the ARM CPU.
	68	*/
	69	#define CONFIG_FB_ADDR 0
	70	#define CONFIG_VIDEO_BCM2835
	71	#define CONFIG_SYS_WHITE_ON_BLACK
0d04f34a SW	72
	73	/* Console UART */
	74	#define CONFIG_PL011_SERIAL
	75	#define CONFIG_PL011_CLOCK 3000000
	76	#define CONFIG_PL01x_PORTS { (void *)0x20201000 }
	77	#define CONFIG_CONS_INDEX 0
	78	#define CONFIG_BAUDRATE 115200
	79
	80	/* Console configuration */
	81	#define CONFIG_SYS_CBSIZE 1024
	82	#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \
	83	sizeof(CONFIG_SYS_PROMPT) + 16)
	84
	85	/* Environment */
	86	#define CONFIG_ENV_SIZE SZ_16K
	87	#define CONFIG_ENV_IS_NOWHERE
	88	#define CONFIG_SYS_LOAD_ADDR 0x1000000
6be3c9fc SW	89	#define CONFIG_CONSOLE_MUX
	90	#define CONFIG_SYS_CONSOLE_IS_IN_ENV
	91	#define CONFIG_EXTRA_ENV_SETTINGS "stdin=serial\0" \
	92	"stderr=serial,lcd\0" \
	93	"stdout=serial,lcd\0"
0d04f34a SW	94
	95	/* Shell */
	96	#define CONFIG_SYS_HUSH_PARSER
	97	#define CONFIG_SYS_MAXARGS 8
	98	#define CONFIG_SYS_PROMPT "U-Boot> "
	99	#define CONFIG_SYS_LONGHELP
	100	#define CONFIG_CMDLINE_EDITING
	101	#define CONFIG_COMMAND_HISTORY
	102	#define CONFIG_AUTO_COMPLETE
	103
	104	/* Commands */
	105	#include <config_cmd_default.h>
	106	#define CONFIG_CMD_BOOTZ
	107	#define CONFIG_CMD_GPIO
	108	/* Some things don't make sense on this HW or yet */
	109	#undef CONFIG_CMD_FPGA
	110	#undef CONFIG_CMD_NET
	111	#undef CONFIG_CMD_NFS
	112	#undef CONFIG_CMD_SAVEENV
	113
	114	/* Device tree support for bootm/bootz */
	115	#define CONFIG_OF_LIBFDT
	116	/* ATAGs support for bootm/bootz */
	117	#define CONFIG_SETUP_MEMORY_TAGS
	118	#define CONFIG_CMDLINE_TAG
	119	#define CONFIG_INITRD_TAG
	120
	121	#endif