> On Wednesday 25 January 2012 21:56:37 Marek Vasut wrote: > > > On Wednesday 25 January 2012 19:20:01 Marek Vasut wrote: > > > > So why not just replace the bootloader right away? > > > > > > Booting process on n900: > > > 1. Omap bootrom > > > 2. Nokia X-Loader > > > 3. Nokia NOLO Bootloader > > > 4. Linux kernel > > > ... > > > > To make it clear, I own N900 myself ;-) > > > > > Nokia X-Loader and NOLO are stored in first nand part. It has size > > > 128kB. Nokia X-Loader is signed (size 14.5kB), so cannot be replaced. > > > NOLO bootloader is not signed (so theoretically can be replaced), but > > > size is limited to 113kB. I do not know how to compile U-Boot binary > > > with size < 113kB... > > > > > > Size of part where is stored linux kernel has 2MB and it is enought for > > > U-Boot with kernel image (~200kB + ~1.6MB). Also U-Boot can boot kernel > > > from eMMC/SD. > > > > You didn't answer my question, so again ... why can't you replace NOLO? > > Because there's the 113kb limit? Use SPL then. > > I only tried to boot U-Boot in qemu wich increased boot part - but not > worked. (NOLO in qemu can boot u-boot without problems). So NOLO do some > extra work - which I do not know... Also limit is problem to test on real > n900.
What do you mean? Did you crack yours open? Can you connect JTAG to the device? I didn't check on mine. _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot