Specifications

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The user has to enter u-boot command line mode first:
40X
Texas Instruments X-Loader 1.45 (Mar 19 2010 - 16:09:58)
Starting X-loader on MMC
Reading boot sector
213544 Bytes Read from MMC
Starting OS Bootloader from MMC...
Starting OS Bootloader...
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
At this point the system will count down for 3 seconds. Then press any key
to enter u-boot command line mode.
2. Set U-boot parameters
Input the following (input characters in bold) into 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’