uboot-vybrid_public/include/configs/mx23_olinuxino.h

/*
 * Copyright (C) 2013 Marek Vasut <marex@denx.de>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * 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.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 */
#ifndef __MX23_OLINUXINO_CONFIG_H__
#define __MX23_OLINUXINO_CONFIG_H__

/*
 * SoC configurations
 */
#define	CONFIG_MX23				/* i.MX23 SoC */
#define	CONFIG_MXS_GPIO				/* GPIO control */
#define	CONFIG_SYS_HZ		1000		/* Ticks per second */

#define	CONFIG_MACH_TYPE	4105

#include <asm/arch/regs-base.h>

#define	CONFIG_SYS_NO_FLASH
#define	CONFIG_BOARD_EARLY_INIT_F
#define	CONFIG_ARCH_MISC_INIT

/*
 * SPL
 */
#define	CONFIG_SPL
#define	CONFIG_SPL_NO_CPU_SUPPORT_CODE
#define	CONFIG_SPL_START_S_PATH		"arch/arm/cpu/arm926ejs/mxs"
#define	CONFIG_SPL_LDSCRIPT	"arch/arm/cpu/arm926ejs/mxs/u-boot-spl.lds"
#define	CONFIG_SPL_LIBCOMMON_SUPPORT
#define	CONFIG_SPL_LIBGENERIC_SUPPORT
#define	CONFIG_SPL_GPIO_SUPPORT

/*
 * U-Boot Commands
 */
#include <config_cmd_default.h>
#define	CONFIG_DISPLAY_CPUINFO
#define	CONFIG_DOS_PARTITION

#define	CONFIG_CMD_CACHE
#define	CONFIG_CMD_EXT2
#define	CONFIG_CMD_FAT
#define	CONFIG_CMD_GPIO
#define	CONFIG_CMD_MMC

/*
 * Memory configurations
 */
#define	CONFIG_NR_DRAM_BANKS		1		/* 1 bank of DRAM */
#define	PHYS_SDRAM_1			0x40000000	/* Base address */
#define	PHYS_SDRAM_1_SIZE		0x08000000	/* Max 128 MB RAM */
#define	CONFIG_SYS_MALLOC_LEN		0x00400000	/* 4 MB for malloc */
#define	CONFIG_SYS_GBL_DATA_SIZE	128		/* Initial data */
#define	CONFIG_SYS_MEMTEST_START	0x40000000	/* Memtest start adr */
#define	CONFIG_SYS_MEMTEST_END		0x40400000	/* 4 MB RAM test */
#define	CONFIG_SYS_SDRAM_BASE		PHYS_SDRAM_1
/* Point initial SP in SRAM so SPL can use it too. */

#define CONFIG_SYS_INIT_RAM_ADDR	0x00000000
#define CONFIG_SYS_INIT_RAM_SIZE	(128 * 1024)

#define CONFIG_SYS_INIT_SP_OFFSET \
	(CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
#define CONFIG_SYS_INIT_SP_ADDR \
	(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET)
/*
 * We need to sacrifice first 4 bytes of RAM here to avoid triggering some
 * strange BUG in ROM corrupting first 4 bytes of RAM when loading U-Boot
 * binary. In case there was more of this mess, 0x100 bytes are skipped.
 */
#define	CONFIG_SYS_TEXT_BASE		0x40000100

/*
 * U-Boot general configurations
 */
#define	CONFIG_SYS_LONGHELP
#define	CONFIG_SYS_PROMPT	"=> "
#define	CONFIG_SYS_CBSIZE	1024		/* Console I/O buffer size */
#define	CONFIG_SYS_PBSIZE	\
	(CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
						/* Print buffer size */
#define	CONFIG_SYS_MAXARGS	32		/* Max number of command args */
#define	CONFIG_SYS_BARGSIZE	CONFIG_SYS_CBSIZE
						/* Boot argument buffer size */
#define	CONFIG_VERSION_VARIABLE			/* U-BOOT version */
#define	CONFIG_AUTO_COMPLETE			/* Command auto complete */
#define	CONFIG_CMDLINE_EDITING			/* Command history etc */
#define	CONFIG_SYS_HUSH_PARSER

/*
 * Serial Driver
 */
#define	CONFIG_PL011_SERIAL
#define	CONFIG_PL011_CLOCK		24000000
#define	CONFIG_PL01x_PORTS		{ (void *)MXS_UARTDBG_BASE }
#define	CONFIG_CONS_INDEX		0
#define	CONFIG_BAUDRATE			115200	/* Default baud rate */

/*
 * MMC Driver
 */
#ifdef	CONFIG_CMD_MMC
#define CONFIG_MMC
#define CONFIG_BOUNCE_BUFFER
#define CONFIG_GENERIC_MMC
#define CONFIG_MXS_MMC
#endif

/*
 * APBH DMA
 */
#define CONFIG_APBH_DMA

/*
 * Boot Linux
 */
#define	CONFIG_CMDLINE_TAG
#define	CONFIG_SETUP_MEMORY_TAGS
#define	CONFIG_BOOTDELAY	3
#define	CONFIG_BOOTFILE		"uImage"
#define	CONFIG_LOADADDR		0x42000000
#define	CONFIG_SYS_LOAD_ADDR	CONFIG_LOADADDR
#define	CONFIG_OF_LIBFDT

/*
 * Environment
 */
#define	CONFIG_ENV_IS_IN_MMC
#define	CONFIG_ENV_OVERWRITE
#ifdef	CONFIG_ENV_IS_IN_MMC
#define	CONFIG_ENV_OFFSET	(256 * 1024)
#define	CONFIG_ENV_SIZE	(16 * 1024)
#define	CONFIG_SYS_MMC_ENV_DEV 0
#endif

/*
 * Extra Environments
 */
#define CONFIG_EXTRA_ENV_SETTINGS \
	"update_sd_firmware_filename=u-boot.sd\0" \
	"update_sd_firmware="		/* Update the SD firmware partition */ \
		"if mmc rescan ; then "	\
		"if tftp ${update_sd_firmware_filename} ; then " \
		"setexpr fw_sz ${filesize} / 0x200 ; "	/* SD block size */ \
		"setexpr fw_sz ${fw_sz} + 1 ; "	\
		"mmc write ${loadaddr} 0x800 ${fw_sz} ; " \
		"fi ; "	\
		"fi\0" \
	"script=boot.scr\0"	\
	"uimage=uImage\0" \
	"console=ttyAMA0\0" \
	"fdt_file=imx23-olinuxino.dtb\0" \
	"fdt_addr=0x41000000\0" \
	"boot_fdt=try\0" \
	"mmcdev=0\0" \
	"mmcpart=2\0" \
	"mmcroot=/dev/mmcblk0p3 rw rootwait\0" \
	"mmcargs=setenv bootargs console=${console},${baudrate} " \
		"root=${mmcroot}\0" \
	"loadbootscript="  \
		"fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${script};\0" \
	"bootscript=echo Running bootscript from mmc ...; "	\
		"source\0" \
	"loaduimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${uimage}\0" \
	"loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdt_addr} ${fdt_file}\0" \
	"mmcboot=echo Booting from mmc ...; " \
		"run mmcargs; " \
		"if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \
			"if run loadfdt; then " \
				"bootm ${loadaddr} - ${fdt_addr}; " \
			"else " \
				"if test ${boot_fdt} = try; then " \
					"bootm; " \
				"else " \
					"echo WARN: Cannot load the DT; " \
				"fi; " \
			"fi; " \
		"else " \
			"bootm; " \
		"fi;\0"

#define CONFIG_BOOTCOMMAND \
	"mmc dev ${mmcdev}; if mmc rescan; then " \
		"if run loadbootscript; then " \
			"run bootscript; " \
		"else " \
			"if run loaduimage; then " \
				"run mmcboot; " \
			"else " \
				"echo ERR: Fail to boot from MMC; " \
			"fi; " \
		"fi; " \
	"else exit; fi"

#endif /* __MX23_OLINUXINO_CONFIG_H__ */