On Sat, Jun 07, 2008 at 01:55:50AM +0200, Carl-Daniel Hailfinger wrote:
> Hi Jens,
> 
> On 07.06.2008 00:39, Jens Kuehnel wrote:
> > Carl-Daniel Hailfinger schrieb:
> >
> >
> >> I'd like to do that, but the patch was so mangled that I had problems
> >> reading it. It looks like you put vendor and device ID together in
> >> AMIC_A49LF040A. The vendor ID you want is probably AMIC_ID_NOPREFIX.
> > OK, I changed that.
> 
> Looks really good.
> 
> The only remaining question is whether the erase and write functions
> should be the generic JEDEC functions instead. I haven't tested that and
> unfortunately I did not have time to read the spec yet.
> 
> Simply running "flashrom" with the patch should tell you whether the
> chip detection works and it is absolutely harmless. We can postpone
> testing erase and write until you have confirmed chip detection.

I'm testing on an ALIX.2c3, which has the same rom chip:

# ./flashrom 
Calibrating delay loop... OK.
No coreboot table found.
Found chipset "AMD CS5536", enabling flash write... OK.
Found chip "Amic Technology A49LF040A" (512 KB) at physical address
0xfff80000.
===
This flash part has status UNTESTED for operations: PROBE READ ERASE WRITE
Please email a report to [EMAIL PROTECTED] if any of the above operations
work correctly for you with this flash part. Please include the full output
from the program, including chipset found. Thank you for your help!
===
No operations were specified.

-----------------------------------------------------------------------------

So that's good. But running it again flashrom no longer sees the chip!

# ./flashrom -v -r test.rom
Calibrating delay loop... OK.
No coreboot table found.
Found chipset "AMD CS5536", enabling flash write... OK.
No EEPROM/flash device found.

# ./flashrom 
Calibrating delay loop... OK.
No coreboot table found.
Found chipset "AMD CS5536", enabling flash write... OK.
No EEPROM/flash device found.

-----------------------------------------------------------------------------

After a cold reboot, I can run flashrom again, and the image it reads out
looks like it could be correct:

# ./flashrom -v -r test.rom
Calibrating delay loop... OK.
No coreboot table found.
Found chipset "AMD CS5536", enabling flash write... OK.
Found chip "Amic Technology A49LF040A" (512 KB) at physical address
0xfff80000.
===
This flash part has status UNTESTED for operations: PROBE READ ERASE WRITE
Please email a report to [EMAIL PROTECTED] if any of the above operations
work correctly for you with this flash part. Please include the full output
from the program, including chipset found. Thank you for your help!
===
Reading Flash...done
Verifying flash... VERIFIED.          
littleredbox:/usr/src/flashrom3# v test.rom 
-rw-r--r-- 1 root src 524288 2008-06-06 23:15 test.rom

-----------------------------------------------------------------------------

And then, no more:

# ./flashrom -v -r test2.rom
Calibrating delay loop... OK.
No coreboot table found.
Found chipset "AMD CS5536", enabling flash write... OK.
No EEPROM/flash device found.

Thanks,
Ward.

-- 
Ward Vandewege <[EMAIL PROTECTED]>
Free Software Foundation - Senior System Administrator

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