i have devkit8000 i try update uboot. i download u-boot-2011.03.tar.bz2 from www.denx.de, untar it, call make CROSS_COMPILE=arm-none-linux-gnueabi- (toolchain arm-2007q3) and flash it:
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Texas Instruments X-Loader 1.41
Starting OS Bootloader...
U-Boot 1.3.3-svn (Feb 6 2010 - 16:29:12)
OMAP3530-GP rev 2, CPU-OPP2 L3-165MHz
OMAP3 DevKit8000 Board + LPDDR/NAND
DRAM: 256 MB
NAND: 256 MiB
In: serial
Out: serial
Err: serial
Hit any key to stop autoboot: 0
OMAP3 DevKit8000 # mmcinit
OMAP3 DevKit8000 # fatload mmc 0:1 80000000 u-boot.bin
reading u-boot.bin
238980 bytes read
OMAP3 DevKit8000 # nand unlock
device 0 whole chip
nand_unlock: start: 00000000, length: 268435456!
NAND flash successfully unlocked
OMAP3 DevKit8000 # nand ecc sw
OMAP3 DevKit8000 # nand erase 80000 160000
NAND erase: device 0 offset 0x80000, size 0x160000
Erasing at 0x1c0000 -- 100% complete.
OK
OMAP3 DevKit8000 # nand write.i 80000000 80000 238980
NAND write: device 0 offset 0x80000, size 0x238980
Writing data at 0x2b8800 -- 100% complete.
2328960 bytes written: OK
OMAP3 DevKit8000 #
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now uboot does't boot:
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Texas Instruments X-Loader 1.41
Starting OS Bootloader...
U-Boot 2011.03 (May 15 2011 - 17:20:30)
OMAP3530-GP ES3.1, CPU-OPP2, L3-165MHz, Max CPU Clock 600 mHz
OMAP3 DevKit8000 + LPDDR/NAND
I2C: ready
DRAM: 256
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that's all, freeze.
when i try boot from sd (push boot_key and power up) nothing happen, devkit don't try booting from sd card.
what i do wrong? how i can return to a life devkit without jtag programmer?