Nokia RX-51 support
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Cover letter [U-Boot] [PATCH 00/14] Nokia RX-51 support
Quoted 18 lines · On Wednesday 25 January 2012 21:56:37 Marek Vasut wrote:
Quoted 9 lines · On Wednesday 25 January 2012 19:20:01 Marek Vasut wrote:
Quoted 1 line
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 ;-)
Quoted 6 lines
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...
Quoted 7 lines
Quoted 3 lines
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.
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