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Old 01-22-2012, 02:36 PM   #49
eureka
but forgot what it's like
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Posts: 704
Karma: 2290994
Join Date: Dec 2011
Location: north (by northwest)
Device: Kindle Touch
Quote:
Originally Posted by geekmaster View Post
Because the Freescale iMX50 CPU chip contains in internal flash boot ROM that is the same size as a typical uboot.bin file, it makes much more sense that u-boot is in the internal flash ROM in the CPU package.

Thanks for confirming that u-boot is not in MMC. This provides one more step on my path of discovery to writing some raw code to inject into kindle RAM and execute with USB/HID mode.
Well, I didn't confirmed that u-boot isn't at MMC. And I'm not confirming it now. I've just provided one relevant fact.

Also, I think that i.MX50 boot ROM couldn't be reprogrammed. It's a ROM. And I didn't found anything about boot ROM reprogramming at i.MX50 Reference Manual. Boot ROM supports ROM patching, but it's a runtime mechanism, not one-time reprogramming.

Besides, Kindle u-boot size could be not the same as typical u-boot size.

Last edited by eureka; 01-22-2012 at 05:33 PM. Reason: typo
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