[coreboot] Via epia

[Jacek Chruscik]

I had same problem on epia, but it turned out to be bad flash memory.
Try to erase it for few times, read it, verify if contents are all FF's.
Try to write all 00's and re-read to spot bad address.


On Thu, 2008-03-13 at 16:51 +0530, jtd wrote:
> On Friday 07 March 2008 02:45 pm, jtd wrote:
> 
> flashrom identifies the flash correctly
> flashrom reads and verifies correctly.
> But verify fails after writing.
> Rewriting with the dos flash tools and re verifying with flashrom 
> works correctly.
> 
> How do i identify the problem?
> 
> > I have a mother board with the following
> >
> > 00:00.0 Host bridge: VIA Technologies, Inc. VT8623 [Apollo CLE266]
> > 00:01.0 PCI bridge: VIA Technologies, Inc. VT8633 [Apollo Pro266
> > AGP] 00:08.0 Ethernet controller: Realtek Semiconductor Co., Ltd.
> > RTL-8139/8139C/8139C+ (rev 10)
> > 00:0d.0 Ethernet controller: Realtek Semiconductor Co., Ltd.
> > RTL-8139/8139C/8139C+ (rev 10)
> > 00:10.0 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB
> > 1.1 Controller (rev 80)
> > 00:10.1 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB
> > 1.1 Controller (rev 80)
> > 00:10.2 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB
> > 1.1 Controller (rev 80)
> > 00:10.3 USB Controller: VIA Technologies, Inc. USB 2.0 (rev 82)
> > 00:11.0 ISA bridge: VIA Technologies, Inc. VT8235 ISA Bridge
> > 00:11.1 IDE interface: VIA Technologies, Inc.
> > VT82C586A/B/VT82C686/A/B/VT823x/A/C PIPC Bus Master IDE (rev 06)
> > 00:11.5 Multimedia audio controller: VIA Technologies, Inc.
> > VT8233/A/8235/8237 AC97 Audio Controller (rev 50)
> > 01:00.0 VGA compatible controller: VIA Technologies, Inc. VT8623
> > [Apollo CLE266] integrated CastleRock graphics (rev 03)
> >
> > The superio is ITE IT8705F (markings on the chip)
> >
> > superiotool r3127
> > Found ITE IT8705F/AF / IT8700F (id=0x8705, rev=0x3) at 0x2e
> > Found ITE IT8705F/AF / IT8700F (id=0x8705, rev=0x3) at 0x4e
> >
> > Flash is a 32 pin PLCC winbond 49V002AP and is flashable by the dos
> > prog (actually i run freedos over tftp).
> >
> > I already have the v2 tree installed and can compile the epia /
> > epia-m target . Since these have vt1611 superio, how do I go about
> > porting to my board with the rtl8139 and IT8705F.
> >
> >
> > Rgds
> > JTD
> 
> -- 
> Rgds
> JTD
>