Re: [Qemu-devel] [PATCH] pflash_cfi01/pflash_cfi02: convert to memory API

["Edgar E. Iglesias" <edgar.iglesias@gmail.com>]

On Mon, Aug 29, 2011 at 08:36:14AM +0300, Avi Kivity wrote:
> On 08/28/2011 10:33 PM, Edgar E. Iglesias wrote:
> >On Sun, Aug 28, 2011 at 06:43:36PM +0300, Avi Kivity wrote:
> >>  cfi02 is annoying in that is ignores some address bits; we probably
> >>  want explicit support in the memory API for that.
> >>
> >>  In order to get the correct opaque into the MemoryRegion object, the
> >>  allocation scheme is changed so that the flash emulation code allocates
> >>  memory, instead of the caller.  This clears a FIXME in the flash code.
> >
> >Hi Avi,
> >
> >Something is going wrong with the flash devices. It can be reproduced
> >with the microblaze image on the wiki, you'll see the kernel complain
> >with:
> >pflash_write: Unimplemented flash cmd sequence (offset 00000000, wcycle 0x0 cmd 0x0 value 0xf0)
> >of-flash a0000000.flash: do_map_probe() failed
> >
> >When it should be saying:
> >a0000000.flash: Found 1 x8 devices at 0x0 in 8-bit bank. Manufacturer ID 0x000000 Chip ID 0x000000
> >Intel/Sharp Extended Query Table at 0x0031
> >
> >
> 
> I get exactly the same behaviour with upstream - 9f94778.  With what
> version does it work correctly?

Im on a slightly patched tree, will try clean upstream versions.
Maybe the flashes never worked with that board in upstream... :/

Cheers