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
--
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