User manual
U-Boot 2009.11-svn ( 3 鏈?19 2010 - 16:14:31)
OMAP34xx/35xx-GP ES1.0, CPU-OPP2 L3-165MHz
AM3517EVM Board + LPDDR/NAND
I2C: ready
DRAM: 256 MB
NAND: 256 MiB
In: serial
Out: serial
Err: serial
Die ID #796400000000000001543b2106011005
Net: davinci_emac_initialize
Ethernet PHY: GENERIC @ 0x00
DaVinci EMAC
Hit any key to stop autoboot: 3
When it starts to this here, the system will count down for 3 seconds. Then press any key, it will
enter the u-boot command line mode.
2. Set U-boot parameter
Input the following in bold type in the u-boot .
Set the boot baud rate, boot from ram0 (SD card) and select the file system as ext2:
OMAP3517EVM # setenv bootargs console=ttyS2, 115200n8 root=/dev/ram0 rw
rootfstype=ext2 initrd=0x81600000, 40M
Set the image (uImage, ramdisk.gz) boot.from SD card:
OMAP3517EVM # setenv bootcmd ‘mmc init\; fatload mmc 0 80300000 uImage\; fatload
mmc 0 81600000 ramdisk.gz\; bootm 0x80300000’
Save the env and boot kernel:
OMAP3517EVM # saveenv
OMAP3517EVM # boot