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swarren_brain_dump [2011/11/21 06:35] – Switch to original ODMDATA value swarrenswarren_brain_dump [2012/12/26 06:33] – [MMC boot sectors] stuw
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   cp ac100.bct ac100.bct.orig   cp ac100.bct ac100.bct.orig
-  dd if=/dev/zero of=ac100.bct seek=2704 bs=48 count=1 conv=notrunc+  dd if=/dev/zero of=ac100.bct seek=2704 bs=1 count=48 conv=notrunc
  
 If you don't nvflash might fail later with e.g.: If you don't nvflash might fail later with e.g.:
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 (as of 2011/11/19) (as of 2011/11/19)
 +
 +(2012/01/13 UPDATE: most of the patches mentioned are upstream now, see [[uboot]] for the temporary tree with a known working version -- paulf)
  
 Mainline U-Boot has some Tegra support now. There's quite a bit of Mainline U-Boot has some Tegra support now. There's quite a bit of
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 and ran the following nvflash command to write this to the AC100: and ran the following nvflash command to write this to the AC100:
- +
   bin=bootloader.bin   bin=bootloader.bin
   cfg=flash.cfg   cfg=flash.cfg
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 The MMC device has two 1MiB "boot sectors" at the start. The MMC device has two 1MiB "boot sectors" at the start.
 +**Note** from stuw: some ac100 have two 2Mib "boot sectors"
  
 Note that the term "boot sectors" comes from a flash memory background, Note that the term "boot sectors" comes from a flash memory background,
swarren_brain_dump.txt · Last modified: 2012/12/26 07:01 by stuw