Running with VGA

[Li-Ta Lo]

On Thu, 2005-01-13 at 12:23, YhLu wrote:
> Works not.
> 

It is "works now" ?????

Ollie

> I happen to delete in pci_read_config(dev, PCI_ROM_ADDRESS)
> 
> -----Original Message-----
> From: YhLu 
> Sent: Thursday, January 13, 2005 10:20 AM
> To: YhLu; 'Li-Ta Lo'
> Cc: 'Sagiv Yefet'; 'LinuxBIOS'
> Subject: RE: Running with VGA
> 
> Move         /* for on board device with embedded ROM image, the ROM image
> is at
>          * fixed address specified in the Config.lb, the dev->rom_address is
>          * inited by driver_pci_onboard_ops::enable_dev() */
>         if ((dev->on_mainboard) && (dev->rom_address != 0)) {
>                 resource->base   = dev->rom_address; 
>                 resource->flags |= IORESOURCE_MEM | IORESOURCE_READONLY |
>                         IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
>                 return;
>         }
> 
> To get_pci_rom_resource end.
> 
> PCI: 02:06.0 30 <- [0x00fff80000 - 0x00fff9ffff] rom
> 
> But
> PCI: 02:06.0 init
> pci_rom_probe, rom address for PCI: 02:06.0 = 1d300
> pci_rom_probe, Incorrect Expansion ROM Header Signature 1fe8
> 
> I wonder if we can not store that value into PCI_ROM_ADDRESS
> 
> YH
> 
> -----Original Message-----
> From: YhLu 
> Sent: Thursday, January 13, 2005 10:06 AM
> To: YhLu; Li-Ta Lo
> Cc: Sagiv Yefet; LinuxBIOS
> Subject: RE: Running with VGA
> 
> I guess it can not get size correctly.
> So you need to change the pci_get_rom_resource to get the size for it.
> 
> And then assign the base to it.
> 
> YH
> 
> -----Original Message-----
> From: YhLu 
> Sent: Thursday, January 13, 2005 9:49 AM
> To: Li-Ta Lo
> Cc: Sagiv Yefet; LinuxBIOS
> Subject: RE: Running with VGA
> 
> PCI: 02:06.0 30 <- [0x00fff80000 - 0x00fff7ffff] rom
> 
> It seems it can not be processed by pci_set_resource properly.
> 
> YH
> 
> -----Original Message-----
> From: Li-Ta Lo [mailto:ollie at lanl.gov] 
> Sent: Wednesday, January 12, 2005 10:10 PM
> To: YhLu
> Cc: Sagiv Yefet; LinuxBIOS
> Subject: RE: Running with VGA
> 
> On Wed, 2005-01-12 at 23:07, YhLu wrote:
> > You assign the value to the new resource.
> > 
> > I wonder if it will confuse the resource allocator. Because the range is
> out
> > of touch of allocator. 
> > 
> 
> I don't think so but I am not sure neither. The resource is flagged as 
> FIXED and ASSIGNED. The resource allocator should leave that resource as
> is. If it does not work, we can just write dev->rom_address to 
> PCI_ROM_ADDRESS directly in pci_get_rom_resource() and the 
> pci_rom_probe() can still be unchanged.
> 
> Could you try the code?
> 
> Ollie
> 
> > YH
> > 
> > -----Original Message-----
> > From: Li-Ta Lo [mailto:ollie at lanl.gov] 
> > Sent: Wednesday, January 12, 2005 9:48 PM
> > To: YhLu
> > Cc: Sagiv Yefet; LinuxBIOS
> > Subject: RE: Running with VGA
> > 
> > On Wed, 2005-01-12 at 21:02, YhLu wrote:
> > > Committed.
> > > 
> > > Also I added readme in /drivers/pci/onboard/onboard.c
> > > 
> > > 
> > > YH
> > > 
> > 
> > I made some modification which should utilize the resource allocation
> > code and minimize the impact of the embedded ROM image. I was doing
> > it blindly, please test it on your platform.
> > 
> > Ollie
> > 
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