PMC Pm49FL002 erase doesnt work

[Ийон]

flashshrom -E
flashrom v0.9.3-r1246 on Linux 2.6.34-12-default (i686), built with libpci
3.1.7, GCC 4.5.0 20100604 [gcc-4_5-branch revision 160292], little endian
flashrom is free software, get the source code at http://www.flashrom.org

Calibrating delay loop... OK.
No coreboot table found.
Found ITE Super I/O, ID 0x8712.
Found chipset "NVIDIA NForce2", enabling flash write... OK.
This chipset supports the following protocols: Non-SPI.
Found chip "PMC Pm49FL002" (256 KB, LPC,FWH) at physical address 0xfffc0000.
===
This flash part has status UNTESTED for operations: WRITE
The test status of this chip may have been updated in the latest development
version of flashrom. If you are running the latest development version,
please email a report to [e-mail] if any of the above
operations
work correctly for you with this flash part. Please include the flashrom
output with the additional -V option for all operations you tested (-V, -Vr,
-Vw, -VE), and mention which mainboard or programmer you tested.
Please mention your board in the subject line. Thanks for your help!
Erasing and writing flash chip... ERASE FAILED at 0x00000000! Expected=0xff,
Read=0x22, failed byte count from 0x00000000-0x00000fff: 0xff2
ERASE FAILED!
ERASE FAILED at 0x00000000! Expected=0xff, Read=0x22, failed byte count from
0x00000000-0x00003fff: 0x3fc2
ERASE FAILED!
ERASE FAILED at 0x00000000! Expected=0xff, Read=0x22, failed byte count from
0x00000000-0x0003ffff: 0x3b432
ERASE FAILED!
Done.

---------
motherboard GA-7n400

[Joshua Roys]

Hello,

Your board needs some special code to enable writing/erasing, a board
enable.  Please reply with the output (as root) of the following:
lspci -vvvnnxxx

Thanks.

Josh

(dev note: nvidia_mcp_gpio0e_raise(); clear bit 0 in ioport 0x1003)