[U-Boot] Faster boot time

[dtran11]

I am trying to make uboot boot as fast as possible for my omap3 Overo board.
I add the below to my config header file. Does anyone see anything I can add
to it to make the build smaller and faster?  Thank you.



#define CONFIG_FAST_BOOT
#define CONFIG_FAST_BOOT_MMC
//#define CONFIG_FAST_BOOT_NAND

#ifdef CONFIG_FAST_BOOT

	#define CONFIG_SILENT_CONSOLE	1
	#define CONFIG_ENV_IS_NOWHERE  	1
	#undef CONFIG_ENV_IS_IN_NAND

	#undef CONFIG_SYS_LONGHELP 
	#undef CONFIG_AUTO_COMPLETE
	#undef CONFIG_SYS_HUSH_PARSER 
	#undef CONFIG_REVISION_TAG 
	#undef CONFIG_MD5 
	#undef CONFIG_SHA1 
	#undef CONFIG_BZIP2 
	#undef CONFIG_LZMA 

	#undef CONFIG_CMD_BDI 
	#undef CONFIG_CMD_BOOTD 
	#undef CONFIG_CMD_CONSOLE 
	#undef CONFIG_CMD_ECHO 
	#undef CONFIG_CMD_EDITENV 
	#undef CONFIG_CMD_FPGA 
	#undef CONFIG_CMD_FLASH 
	#undef CONFIG_CMD_IMI 
	#undef CONFIG_CMD_IMLS 
	#undef CONFIG_CMD_ITEST 
	#undef CONFIG_CMD_LOADB 
	#undef CONFIG_CMD_LOADS 
	#undef CONFIG_CMD_MEMORY
	#undef CONFIG_CMD_MISC
	#undef CONFIG_CMD_NET 
	#undef CONFIG_CMD_NFS 
	#undef CONFIG_CMD_SETGETDCR 
	#undef CONFIG_CMD_SOURCE 
	#undef CONFIG_CMD_XIMG 

	#undef CONFIG_CMD_EXT2 
	#undef CONFIG_CMD_JFFS2
	#undef CONFIG_CMD_USB 
	#undef CONFIG_NET_MULTI 
	#undef CONFIG_SMC911X 
	#undef CONFIG_OF_LIBFDT 
	#undef CONFIG_FIT 

	#undef CONFIG_EXTRA_ENV_SETTINGS 
	#define CONFIG_EXTRA_ENV_SETTINGS \
	 "verify=no\0" \
	 "bootfile=uImage\0" 

	#undef CONFIG_BOOTDELAY 
	#define CONFIG_BOOTDELAY	0 

	#ifdef CONFIG_FAST_BOOT_MMC
		#undef CONFIG_SYS_NAND_QUIET_TEST
		#undef CONFIG_NAND_OMAP_GPMC 		 
		#undef CONFIG_CMD_NAND 

		#undef CONFIG_BOOTCOMMAND 
		#define CONFIG_BOOTCOMMAND	 \
			"mmc rescan 0; "	 \
			"fatload mmc 0 0x82000000 uImage; "	\
			"bootm 0x82000000;" 
		 
		#undef CONFIG_BOOTARGS 
		#define CONFIG_BOOTARGS	 \
			"console=ttyO2,115200n8 "	\
			"mpurate=600 "			\
			"quiet noinitrd "		\
			"root=/dev/mmcblk0p2 rw "	\
			"rootfstype=ext3 rootwait " 
	#else
		#undef CONFIG_OMAP3_MMC
		#undef CONFIG_CMD_MMC		
		#undef CONFIG_CMD_FAT
		//#undef CONFIG_DOS_PARTITION

		#undef CONFIG_BOOTCOMMAND
		#define CONFIG_BOOTCOMMAND		\
			"nand read 0x82000000 280000 400000; " \
			"bootm 0x82000000;"

		#undef CONFIG_BOOTARGS
		#define CONFIG_BOOTARGS			\
			"console=ttyO2,115200n8 "	\
			"mpurate=600 "			\
			"quiet noinitrd "		\
			"root=ubi0:rootfs ubi.mtd=4 "	\
			"rootfstype=ubifs "
	#endif 	// #ifdef CONFIG_FAST_BOOT_MMC
	
	
	#undef CONFIG_USB_OMAP3 
	#undef CONFIG_MUSB_HCD 
	 
	#undef CONFIG_USB_STORAGE 
	#undef CONFIG_USB_KEYBOARD 
	#undef CONFIG_SYS_USB_EVENT_POLL
	#undef CONFIG_PREBOOT 
	 
	#undef CONFIG_MUSB_UDC 
	#undef CONFIG_USB_DEVICE 
	#undef CONFIG_USB_TTY 

#endif   // CONFIG_FAST_BOOT

-- 
View this message in context: http://old.nabble.com/Faster-boot-time-tp32503921p32503921.html
Sent from the Uboot - Users mailing list archive at Nabble.com.