Re: [openwince-list] Am29LV800B - CFI support - help!

[Andrew D. <am...@gm...>]

I have it working with some code modifications.  The source code is at
work, and I'm not.
I will try to see if I can get you a patch to try this weekend.

On 7/15/05, T.KaruppuSwamy <swa...@ka...> wrote:
> Dear Friends,
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> I am having part - PXA255 with Am29LV800B (mid=3D0x0001 and did=3D0x225b)=
boot
> flash. I use jtag-0.5.1. Though  the detectflash(..) is able to detect th=
e
> chip properly, I am not able to proceed. The mid and pid are detected as
> 0xffff0001 and 0xffff225b. The lower two bytes show that it is properly
> identified.
> --------------------------------------
> jtag>detectflash 0
> jedec_detect: mid ffff0001, did ffff225b
> Flash not found!
> --------------------------------------
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> Since mid is compared with 0x01, the jedec_detect returning failed. I try=
 to
> call flashmem after bypassing the above mentioned comparion. It fails.
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> ---------------------------------------------------------------
> jtag>flashmem 0 eboot.nb0
> Note: Supproted configuration is 2 x 16 or 1 x 16 bit only.
> Flash not found!
> no flash driver found
> ---------------------------------------------------------------
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> When I try to debug, found that it fails on CFI capability test
> (cfi_detect). I came to know that Am29LV800B is not CFI cabable. But
> jtag-0.5.1 supports Am29LV800B as per release note.
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> Am I in right direction? Can I use jtag-0.5.1 to program Am29LV800B flash=
?
> Can anybody help me out?
>=20
> regards
> T.KaruppuSwamy
>=20
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>=20


--=20
Hardware, n.:
        The parts of a computer system that can be kicked.