> -----Original Message----- > From: u-boot-boun...@lists.denx.de > [mailto:u-boot-boun...@lists.denx.de] On Behalf Of dtran11 > Sent: Monday, September 26, 2011 1:33 AM > To: u-boot@lists.denx.de > Subject: [U-Boot] Faster boot time > > > 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 > I haven't reviewed all the options in detail, but you can check this link where this topic is discussed in details. http://processors.wiki.ti.com/index.php/Optimize_Linux_Boot_Time
BTW, I have few patches ready to post, but ran into issues when booting Linux on omap3evm on FRI - even without these patches. Will try to fix it, before sending the patches tomorrow. ~sanjeev _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
