[flashrom] VT6421 sata card with sst39Vf512 eprom

[Jonathan A. Kollasch]

On Mon, Apr 04, 2016 at 02:01:35PM +0200, Antonio Estrada Respeto wrote:
> I have tried the below flashrom option (code tested) in order to find a right response on my no name VT6421A pci sata card, but no luck. Environment is Freedos in an usb boot sdcard device in a standard PC. Address was from 0xffff0000 to others. The card is found by flashrom at 1106:3249  BDF 02:0b.0 . The card has an Eprom flashable sst39Vf512 at is printed in top of it. Final messages are:
> 
> Requested bar is of type rom.
> Error:  No suported PCI found.
> Error: Program initialization failed.
> 
> 
> I managed flashrom to work with my 3C905TX and do it in the same environment as a charm. I know VT6421A hardware is very tricky depending on every pci maker. The final goal is to flash a 64k boot rom ins this card. Any help will be wellcome.
> 
> Thanks in advance.
> 
> The code tested:
> 
> flashrom –p atavia offset=(different address) –V 


The VT6421A only supports LPC/FWH (or one or the other, I forget which)
protocol only.  I believe the SST39VF512 is a parallel Flash EEPROM-style
interface.

	Jonathan Kollasch