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

Łukasz Dałek luk0104 at gmail.com
Thu Sep 20 01:20:15 CEST 2012


On 20.09.2012 01:09, Marek Vasut wrote:
> Dear Łukasz Dałek,
>
>> On 20.09.2012 00:56, Marek Vasut wrote:
>>>> That's why I use directive .word 0xea0003fe
>>> Check some arm instruction quick ref for what 0xea0003fe really is and if
>>> it really is necessary or anything else work just fine as well.
>> 0xea0003fe is a branch instruction. 0x3fe is an offset (0x3fe<<  2 + 8 =
>> 0x1000)
>> And I will left it. Bootloader checks for 4 bytes which have to be equal
>> 0xfe, 0x03, 0x00, 0xea and for 4 bytes at the offset 0x40 which have to
>> be equal E, C, E, C
> It checks the branch instruction? What a piece of crap ... can't you replace it
> as well?

I can't. I would have to prepare sth like x-loader used in ti omap 
processors.
And I want to add driver for sdcard and flash and keyboard and lcd would be
nice... So I will left it as it is for now.

Łukasz Dałek


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