Re: [flashrom] [not working] Abit IS7 (P4)

[san]

Hi again!

I tried to take off graphics and then disable all not needed devices.
GPIO message persist.
Tried acpi_enforce_resources=lax and acpi_enforce_resources=no kernel
commands, but still nothing.

Regards!

2013/10/3 san
> What name of module should i look for?
>
> I'm trying to manipulate gpios, but getting this message:
>
> ===============
> root@flashrom:/sys/class/gpio# echo 3 > /sys/class/gpio/export
> bash: echo: write error: Invalid argument
> ===============
>
> Might it be releated to dmesg info:
>
> ===============
> [    7.508264] ACPI Warning: 0x00000430-0x00000433 SystemIO conflicts with
> Regio
> n \SPEN 1 (20120320/utaddress-251)
> [    7.508295] ACPI: If an ACPI driver is available for this device, you
> should
> use it instead of the native driver
> [    7.508302] lpc_ich: Resource conflict(s) found affecting iTCO_wdt
> [    7.508320] lpc_ich 0000:00:1f.0: I/O space for GPIO uninitialized
> [    7.548511] ppdev: user-space parallel port driver
> ===============
>
> I have no idea what to do.
> GPIO uninitialised is not for this machine only.
>
> Just wanted to inform, ill try to find some answers, but any help would be
> aprecieted.
>
> Is it possible we can not do anything beacose of GPIO interface problems?
>
> Best regards!
>
> 2013/10/2 Stefan Tauner
> > On Tue, 1 Oct 2013 20:39:12 +0200
> > san  wrote:
> > > Hi again!
> > >
> > > I'm trying to "Try & Error method on GPIO pins" but not sure what to do:
> > >
> > > ======================
> > > san@flashrom:~$ lspci | grep ISA
> > > 00:1f.0 ISA bridge: Intel Corporation 82801EB/ER (ICH5/ICH5R) LPC
> >
> > Interface
> > > Bridge (rev 02)
> > >
> > > seems to be fine, but can not find anything usefull at:
> > >
> > > ======================
> > > san@flashrom:~$ cat /proc/ioports
> > > 0000-001f : dma1
> > > 0020-0021 : pic1
> > > 0040-0043 : timer0
> > > 0050-0053 : timer1
> > > 0060-0060 : keyboard
> > > 0064-0064 : keyboard
> > > 0070-0073 : rtc0
> > > 0080-008f : dma page reg
> > > 00a0-00a1 : pic2
> > > 00c0-00df : dma2
> > > 00f0-00ff : fpu
> > > 0170-0177 : 0000:00:1f.1
> > >   0170-0177 : ata_piix
> > > 01f0-01f7 : 0000:00:1f.1
> > >   01f0-01f7 : ata_piix
> > > 0294-0297 : pnp 00:01
> > > 0376-0376 : 0000:00:1f.1
> > >   0376-0376 : ata_piix
> > > 0378-037a : parport0
> > > 03f2-03f2 : floppy
> > > 03f4-03f5 : floppy
> > > 03f6-03f6 : 0000:00:1f.1
> > >   03f6-03f6 : ata_piix
> > > 03f7-03f7 : floppy
> > > 03f8-03ff : serial
> > > 0400-04bf : pnp 00:0a
> > >   0400-0403 : ACPI PM1a_EVT_BLK
> > >   0404-0405 : ACPI PM1a_CNT_BLK
> > >   0408-040b : ACPI PM_TMR
> > >   0428-042f : ACPI GPE0_BLK
> > > 04d0-04d1 : pnp 00:01
> > > 0500-051f : 0000:00:1f.3
> > > 0a78-0a7b : pnp 00:01
> > > 0b78-0b7b : pnp 00:01
> > > 0bbc-0bbf : pnp 00:01
> > > 0cf8-0cff : PCI conf1
> > > 0e78-0e7b : pnp 00:01
> > > 0f78-0f7b : pnp 00:01
> > > 0fbc-0fbf : pnp 00:01
> > > a000-afff : PCI Bus 0000:02
> > >   a000-a0ff : 0000:02:02.0
> > >     a000-a0ff : 8139too
> > > b000-b01f : 0000:00:1d.1
> > >   b000-b01f : uhci_hcd
> > > b400-b41f : 0000:00:1d.2
> > >   b400-b41f : uhci_hcd
> > > b800-b81f : 0000:00:1d.3
> > >   b800-b81f : uhci_hcd
> > > bc00-bc1f : 0000:00:1d.0
> > >   bc00-bc1f : uhci_hcd
> > > c000-c007 : 0000:00:1f.2
> > >   c000-c007 : ata_piix
> > > c400-c403 : 0000:00:1f.2
> > >   c400-c403 : ata_piix
> > > c800-c807 : 0000:00:1f.2
> > >   c800-c807 : ata_piix
> > > cc00-cc03 : 0000:00:1f.2
> > >   cc00-cc03 : ata_piix
> > > d000-d00f : 0000:00:1f.2
> > >   d000-d00f : ata_piix
> > > d800-d8ff : 0000:00:1f.5
> > >   d800-d8ff : Intel ICH5
> > > dc00-dc3f : 0000:00:1f.5
> > >   dc00-dc3f : Intel ICH5
> > > f000-f00f : 0000:00:1f.1
> > >   f000-f00f : ata_piix
> > >
> > > ======================
> >
> > No idea why the GPIO function is not found in the ioports... probably
> > you need to load a module for it that is not loaded automatically.
> >
> > The interesting part of your binary that (probably) disables the write
> > protection is disassembled here:
> > http://paste.flashrom.org/view.php?id=1772
> >
> > The head of the function 5E1F is done by flashrom already (setting
> > BIOS_CNTL). Starting with 5E2C it calculates the offset of the GPIO
> > registers mapped on PMBASE (5E77 stores a part of PMBASE in dx).
> >
> > So you can either continue with the trial and error method or try to
> > understand the code the vendor tool would execute.