[flashrom] HPT360/HPT370 ATA controller flash interface
uwe at hermann-uwe.de
Sun Feb 21 22:18:20 CET 2010
On Thu, Feb 04, 2010 at 01:49:48AM +0100, Carl-Daniel Hailfinger wrote:
> On 17.01.2010 01:55, Uwe Hermann wrote:
> > Here's the first draft. It does not yet work, the chip cannot be
> > detected, all reads return 0x00 so far.
> > Note that the WE# pin is at 3.3V while the HPT card is powered, thus
> > writes are _dis_abled, unless I'm mistaken. The WE# pin is connected to
> > some pin of the HPT370A chip (probably a GPIO), so it can in theory
> > toggle the WE# pin.
> That would explain why you don't get any probe response. An interesting
> experiment would be to write some random image to the chip with a known
> good programmer (your mainboard?), then force read the chip in the
> HPT360. If that works, you only have to handle WE#. If it doesn't, there
> are deeper issues that need to be fixed.
Will check as soon as I find some spare time.
> Following the policy of merging code early as long as users won't trip
> over it, change CONFIG_ATAHPT to default to no, and the patch is
> Acked-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006 at gmx.net>
Thanks, r908. The code is disabled by default in the Makefile.
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