text: /* SPDX-License-Identifier: GPL-2.0+ */
  /*
   * Freescale i.MX23 EVK board config
   *
   * Copyright (C) 2013 Otavio Salvador <otavio@ossystems.com.br>
   * on behalf of O.S. Systems Software LTDA.
   */
  #ifndef __CONFIGS_MX23EVK_H__
  #define __CONFIGS_MX23EVK_H__
  
  /* System configurations */
  #define CONFIG_MACH_TYPE	MACH_TYPE_MX23EVK
  
  /* U-Boot Commands */
  
  /* Memory configuration */
  #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_SDRAM_BASE		PHYS_SDRAM_1
  
  /* Environment */
  #define CONFIG_ENV_OVERWRITE
  
  /* Environment is in MMC */
  #if defined(CONFIG_CMD_MMC) && defined(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
  
  /* USB */
  #ifdef	CONFIG_CMD_USB
  #define CONFIG_EHCI_MXS_PORT0
  #define CONFIG_USB_MAX_CONTROLLER_COUNT 1
  #endif
  
  /* Framebuffer support */
  #ifdef CONFIG_VIDEO
  #define CONFIG_VIDEO_LOGO
  #define CONFIG_SPLASH_SCREEN
  #define CONFIG_BMP_16BPP
  #define CONFIG_VIDEO_BMP_RLE8
  #define CONFIG_VIDEO_BMP_GZIP
  #define CONFIG_SYS_VIDEO_LOGO_MAX_SIZE	(512 << 10)
  #endif
  
  /* Boot Linux */
  #define CONFIG_BOOTFILE		"uImage"
  #define CONFIG_LOADADDR		0x42000000
  #define CONFIG_SYS_LOAD_ADDR	CONFIG_LOADADDR
  
  /* 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 ${fw_sz} ; " \
  		"fi ; "	\
  		"fi\0" \
  	"script=boot.scr\0"	\
  	"image=zImage\0" \
  	"console=ttyAMA0\0" \
  	"fdt_file=imx23-evk.dtb\0" \
  	"fdt_addr=0x41000000\0" \
  	"boot_fdt=try\0" \
  	"mmcdev=0\0" \
  	"mmcpart=2\0" \
  	"mmcroot=/dev/mmcblk0p3 rw rootwait\0" \
  	"mmcargs=setenv bootargs console=${console},${baudrate} " \
  		"root=${mmcroot}\0" \
  	"loadbootscript="  \
  		"fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${script};\0" \
  	"bootscript=echo Running bootscript from mmc ...; "	\
  		"source\0" \
  	"loadimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${image}\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 " \
  				"bootz ${loadaddr} - ${fdt_addr}; " \
  			"else " \
  				"if test ${boot_fdt} = try; then " \
  					"bootz; " \
  				"else " \
  					"echo WARN: Cannot load the DT; " \
  				"fi; " \
  			"fi; " \
  		"else " \
  			"bootz; " \
  		"fi;\0"
  
  #define CONFIG_BOOTCOMMAND \
  	"mmc dev ${mmcdev}; if mmc rescan; then " \
  		"if run loadbootscript; then " \
  			"run bootscript; " \
  		"else " \
  			"if run loadimage; then " \
  				"run mmcboot; " \
  			"else " \
  				"echo ERR: Fail to boot from MMC; " \
  			"fi; " \
  		"fi; " \
  	"else exit; fi"
  
  /* The rest of the configuration is shared */
  #include <configs/mxs.h>
  
  #endif /* __CONFIGS_MX23EVK_H__ */
  