On Mon, Nov 26, 2007 at 11:33:00AM -0500, Jon Smirl wrote:
> Did you check out the cards on x86 and ascertain that they have the
> standard PCI header in them? 55 AA All PCI ROMs are supposed to
> have that. If they are missing that the size code in the rom.c isn't
> going to work right.
See m
On 11/26/07, Robin H. Johnson <[EMAIL PROTECTED]> wrote:
> On Mon, Nov 26, 2007 at 10:20:14AM +0100, Michel D?nzer wrote:
> > > Regarding the sub-thread on x86 emulation, that is totally out of scope
> > > for this. The 'AtomBIOS' of the ATI cards, consists of multiple parts (I
> > > may have minor
On Mon, Nov 26, 2007 at 10:20:14AM +0100, Michel D?nzer wrote:
> > Regarding the sub-thread on x86 emulation, that is totally out of scope
> > for this. The 'AtomBIOS' of the ATI cards, consists of multiple parts (I
> > may have minor errors here, ask airlied if you need more
> > clarification):
>
On Mon, 2007-11-26 at 00:59 -0800, Robin H. Johnson wrote:
>
> Regarding the sub-thread on x86 emulation, that is totally out of scope
> for this. The 'AtomBIOS' of the ATI cards, consists of multiple parts (I
> may have minor errors here, ask airlied if you need more
> clarification):
> a) Initi
On Sun, Nov 25, 2007 at 11:41:01AM -0800, Robin H. Johnson wrote:
> I was looking around for a description of the ROM layout, and instead I
> found this: http://developer.apple.com/technotes/tn/tn2000.html
> It was relevant because it explicitly mentioned enabling the
> PCI_COMMAND_MEMORY bit in th
> You can dump the PCI config block in /sys with hexdump and see if the
> PCI_COMMAND_MEMORY bit is set. I was also unable to locate where in
> the kernel PCI_COMMAND_MEMORY is being set. It could be that it is set
> by the BIOS at boot on the x86 and not on the ppc.
The kernel doesn't until some
On 11/25/07, Benjamin Herrenschmidt <[EMAIL PROTECTED]> wrote:
> Now, regarding that user problem, this it totally unrelated as it's a
> "mac" card.
>
> It's possible that it's one of these radeons that disable ROM access via
> a register in which case a quirk is needed to re-enable it.
He says in
On Sun, 2007-11-25 at 15:51 -0500, Jon Smirl wrote:
>
> They blocked the X server changes, which rendered the kernel support
> pointless. But that's all old news.
No, you are wrong, nothing was ever "blocked".
Ben.
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On 11/25/07, Benjamin Herrenschmidt <[EMAIL PROTECTED]> wrote:
>
> On Sun, 2007-11-25 at 08:30 -0500, Jon Smirl wrote:
> >
> > > The two cards with x86 firmware return 0xFF for those two readb()
> > > instructions, while the X1900 with OF returns 0x00 for the readb().
> > >
> > > Could one of the m
On Sun, 2007-11-25 at 08:30 -0500, Jon Smirl wrote:
>
> > The two cards with x86 firmware return 0xFF for those two readb()
> > instructions, while the X1900 with OF returns 0x00 for the readb().
> >
> > Could one of the more knowledgeable folk for PPC intricacies suggest
> why
> > those readb ca
On Sun, Nov 25, 2007 at 08:30:58AM -0500, Jon Smirl wrote:
> I don't know PPC at this low of level but it may be a problem with non
> word-aligned access to memory. I thought readb() was supposed to work
> on all archs and alignment issues are handled inside readb(). Also,
> the readw() may have an
On 11/25/07, Robin H. Johnson <[EMAIL PROTECTED]> wrote:
> On Sun, Nov 25, 2007 at 03:15:35AM -0800, Robin H. Johnson wrote:
> > I started in there from that, and ended up in pci-sysfs.c...
> > The ROM memcpy in drivers/pci/pci-sysfs.c:pci_read_rom() is never running.
> ...
> > [ 306.396743] drive
On Sun, Nov 25, 2007 at 03:15:35AM -0800, Robin H. Johnson wrote:
> I started in there from that, and ended up in pci-sysfs.c...
> The ROM memcpy in drivers/pci/pci-sysfs.c:pci_read_rom() is never running.
...
> [ 306.396743] drivers/pci/pci-sysfs.c:577:pci_read_rom: size=0x0
> rom=0xd8008258
On Sat, Nov 24, 2007 at 09:13:40PM -0500, Jon Smirl wrote:
> The ROM is mapped in drivers/pci/rom.c
>
> You could add some printks and see if there is an error and if the ROM
> is accessible
>
> rom = ioremap(start, *size);
> if (!rom) {
> /* restore enable if iore
On Sun, Nov 25, 2007 at 10:42:42AM +0100, Andreas Schwab wrote:
> "Robin H. Johnson" <[EMAIL PROTECTED]> writes:
>
> > I put the card into an amd64 box, found the relevant 'rom' node ($ROM) under
> > /sys/device/pci*, and dumped it as follows:
> > # echo 1>$ROM
> Did you run it exactly like this?
"Robin H. Johnson" <[EMAIL PROTECTED]> writes:
> I put the card into an amd64 box, found the relevant 'rom' node ($ROM) under
> /sys/device/pci*, and dumped it as follows:
> # echo 1>$ROM
Did you run it exactly like this? Because this will echo exactly one
newline to $ROM. If you want to echo "
On 11/24/07, Robin H. Johnson <[EMAIL PROTECTED]> wrote:
> Following up from initial conversation with benh in #ppc64, I did a bit
> of testing (and then a bit more).
>
> Two PCIe cards for my testing:
> a) sata_sil24 eSATA (x86 BIOS)
> b) ATI X700 graphics (x86 BIOS)
>
> I put the card into an amd
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