Some updates...
The u-boot in the kindle sources is incomplete, is missing (at least) boardid.h...
The eureka's patch is not for this source tree.
But...
imx_usb can set up the ddr (before loading u-boot) through dcd writes.
These dcd are in the header of uboot.imx files (imx being the current format for uboot images). The problem is to find one suitable for the kindles.
I may be naive, but lab126 seems not a vulcan of innovations... would't be surprised if they simply copied evaluation boards from freescale or others. If so a uboot.imx picked out there could work.
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