[coreboot] Add support for SPI-Chips on ICH9 to flash rom / please delete the last mail

[Dominik Geyer]

Hi Carl-Daniel,

On Wednesday 14 May 2008 17:11, Carl-Daniel Hailfinger wrote:
> On 14.05.2008 16:17, Carl-Daniel Hailfinger wrote:
> > Hi Claus,
> > hi Dominik,
> >
> > On 14.05.2008 08:23, Claus Gindhart wrote:
> >> Hi Carl-Daniel,
> >>
> >> my colleague Dominik will investigate into this; we will provide a new
> >> patch within the next few days.
> >
> > Thanks. By the way, the ICH8 datasheet says your code will not work with
> > ICH8 (wrong SPIBAR address), so you might want to remove ICH8 bits from
> > the patch. Hardcoding the RCRB address is a problem as well.
> >
> > I have sent another patch a few minutes ago which will allow you to
> > replace is_supported_chipset() with ich9_detected and
> > curflash->virtual_registers with *ich_spibar. That patch also calculates
> > the correct RCRB address and the correct SPIBAR address. The subject of
> > the mail was "[coreboot] [PATCH] flashrom: Infrastructure for ICH9
> > merge".
>
> That patch has been merged in r3314. You can also drop
> munmap_ich_registers() and map_ich_registers() now.
>
> If you can create a wrapper for run_opcode() which can be called from
> spi_command(), you should be able to drop ~80% of the code in ichspi.c.
> Such a wrapper would look up the opcode from spi_command() in the list
> of programmed opcodes and convert the arguments. AFAICS this should be
> easy.

Sounds good. Your infrastructure/restructure patches are a nice approach. I 
will adjust our code and provide you with the patches.

Regards,
Dominik

-- 
Dominik Geyer
- SW R&D -

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