On Sun, Mar 25, 2007 at 06:05:51PM +0200, Luc Verhaegen wrote:
> On Sun, Mar 25, 2007 at 01:40:23AM -0400, Corey Osgood wrote:
> >
> > Luc, could you check out the PCChips M789CG for me and see if this can
> > support it? The stock bios is an AMIBIOS (if it matters), with a VT8235M
> > southbridge and ITE IT8705f Super I/O (docs here:
> > http://www.iteusa.com/product_info/file/pc/IT8705F_V.0.4.1.pdf). I've
> > tried both the epia-m and asus fixups that are currently in your patch,
> > but neither of them worked, and I know very little about the workings of
> > flashrom. Here's the line with my vendor ids:
> >
> > { 0x1106, 0x3177, 0x1106, 0x0000, 0x1106, 0x3123, 0x1106, 0x0000,
> > "PCChips M789CG(v3.0)", enable_flash_xxx },
Oh, PCChips, isn't that another name for Asrock isn't it? In any case,
that's yet another known pci-id offender.
> >
> > Also, should we be moving these board-specific flash fixups off into
> > another file? I get the feeling we're going to have a lot of them in the
> > future.
> >
> > Thanks,
> > Corey
> >
> I'll hand you a bit of python in a few hours that gathers the following
> information.
> * Int16 vector for AMI
> * Dump of 0xE0000-0xFFFFF. The int16 vector should live here, and the
> AWDFLASH structure exists here too.
>
> So a tiny bit of python will provide for AMI and AWD.
Attached.
Do send the rom to me personally, i don't think everyone on the
list wants to receive a 128kB file :)
Luc Verhaegen.
#! /usr/bin/env python
#
# Reads the System rom (0xE0000 - 0x100000) and writes it out to
# flash_enable_initialised_ROM.img. Also spews out the vector for
# Int16.
#
# /dev/mem is awfully linux specific, and the whole is of course
# x86 specific.
#
# Luc Verhaegen -- nothing copyrightable here.
from array import array
import sys
if __name__ == "__main__":
mem = open("/dev/mem", "rb")
# int16 vector.
mem.seek(0x16 * 4)
vector = array("B")
vector.fromfile(mem, 4)
print "Int16 Vector: 0x%02X%02X:0x%02X%02X" % (vector[3], vector[2], vector[1], vector[0])
# Initialised rom.
mem.seek(0xE0000)
rom = array("B")
rom.fromfile(mem, 2 * 64 * 1024)
mem.close()
name = "flash_enable_initialised_ROM.img"
dump = open(name, "wb")
print "Writing initialised system rom to %s" % name
rom.tofile(dump)
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