[U-Boot] [PATCH 1/6] h2200: Add support for iPAQ h2200

Marek Vasut marex at denx.de
Wed Sep 19 23:43:22 CEST 2012


Dear Łukasz Dałek,

> On 19.09.2012 23:02, Marek Vasut wrote:
> >> +
> >> +	.org 0x40
> >> +	.ascii "ECEC"
> > 
> > ECEC ... looks familiar, what is it though? WinCE bootloader signature ?
> 
> Yes.
> 
> >> +#endif
> >> +
> >> +	return 0;
> >> +}
> >> +
> >> +/*
> >> + * iPAQ h2200 has two stage bootloader.
> >> + * We only replace 2nd stage, so u-boot needs to be
> >> + * adpopted to the way how 1st stage bootloader works.
> >> + * Firstly, code needs to have first 4 bytes equal to
> >> + * 0xea0003fe (arm instruction b 0x1000)
> > 
> > GCC/GAS won't generate it so you use .word ?
> 
> No. GCC generates sth else than 0xea0003fe.

Try b 0x9098 ... is that it ?

Please keep CC

Best regards,
Marek Vasut


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