On Mon, 2006-01-23 at 23:12 +0100, Gerhard Pircher wrote:
> > --- Ursprüngliche Nachricht ---
> > Von: Benjamin Herrenschmidt <[EMAIL PROTECTED]>
> > An: Gerhard Pircher <[EMAIL PROTECTED]>
> > Kopie: [EMAIL PROTECTED], debian-powerpc@lists.debian.org
> >
Forgot to include the lspci log. So here it comes. Sorry!
Gerhard
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> --- Ursprüngliche Nachricht ---
> Von: Benjamin Herrenschmidt <[EMAIL PROTECTED]>
> An: Gerhard Pircher <[EMAIL PROTECTED]>
> Kopie: [EMAIL PROTECTED], debian-powerpc@lists.debian.org
> Betreff: Re: AGPGART driver for ArticiaS - ioremap() problem
> Datum: Sun, 22 J
On Sat, 2006-01-21 at 02:59 +0100, Gerhard Pircher wrote:
> Yes, I see. :( The code mostly allocates the resources for the AGPGART
> driver beyond the real memory space, thus preventing the X server to work.
> Sometimes the resource is also mapped to where the resource of the graphic
> card reside
> --- Ursprüngliche Nachricht ---
> Von: Benjamin Herrenschmidt <[EMAIL PROTECTED]>
> An: Gerhard Pircher <[EMAIL PROTECTED]>
> Kopie: [EMAIL PROTECTED], debian-powerpc@lists.debian.org
> Betreff: Re: AGPGART driver for ArticiaS - ioremap() problem
> Datum: Sat, 21 J
On Fri, 2006-01-20 at 12:16 +0100, Gerhard Pircher wrote:
> > Nope... look at drivers/pci/setup-res.c how it does for allocating new
> > resources for PCI devices.
> I guess you mean something like this code snipped from the efficeon-agp.c
> source code (with pci_assign_resource()):
Something aro
> --- Ursprüngliche Nachricht ---
> Von: Benjamin Herrenschmidt <[EMAIL PROTECTED]>
> An: Gerhard Pircher <[EMAIL PROTECTED]>
> Kopie: [EMAIL PROTECTED], debian-powerpc@lists.debian.org
> Betreff: Re: AGPGART driver for ArticiaS - ioremap() problem
> Datum: F
On Thu, 2006-01-19 at 11:52 +0100, Gerhard Pircher wrote:
> > > I set the AGP aperture base register and agp_bridge->gart_bus_addr to
> > > 0x0100 (>=16MB) (trial and error :-) and it seems to work with
> > > cant_use_aperture=1
> >
> > Makes sense, since this value is right in the middle of
> > I set the AGP aperture base register and agp_bridge->gart_bus_addr to
> > 0x0100 (>=16MB) (trial and error :-) and it seems to work with
> > cant_use_aperture=1
>
> Makes sense, since this value is right in the middle of your RAM :) What
> does the firmware sets the base register too ?
I
On Thu, 2006-01-19 at 09:50 +0100, Gerhard Pircher wrote:
> > > Hmm, I'm not sure what value agp_bridge->gart_bus_addr should have. The
> > > BIOS doesn't setup it and the VIA AGPGART driver even reads it out from
> > > the northbridge's registers! Where does the value for
> > > agp_bridge->gart_bu
> > Hmm, I'm not sure what value agp_bridge->gart_bus_addr should have. The
> > BIOS doesn't setup it and the VIA AGPGART driver even reads it out from
> > the northbridge's registers! Where does the value for
> > agp_bridge->gart_bus_addr come from? For now it is set to 0x0, which
> > would requir
On Wed, 2006-01-18 at 20:40 +0100, Gerhard Pircher wrote:
> > > That's the problem: we don't have the datasheet for the ArticiaS. :-(
> > > But the driver initializes correctly with the Uninorth code now and
> > > with the DRI/DRM code changed. (The code in drm_vm.c checks for Apple's
> > > PCI ve
> > That's the problem: we don't have the datasheet for the ArticiaS. :-(
> > But the driver initializes correctly with the Uninorth code now and
> > with the DRI/DRM code changed. (The code in drm_vm.c checks for Apple's
> > PCI vendor ID. Therefore I just added a check for MAI's PCI vendor ID.)
> That's the problem: we don't have the datasheet for the ArticiaS. :-(
> But the driver initializes correctly with the Uninorth code now and with the
> DRI/DRM code changed. (The code in drm_vm.c checks for Apple's PCI vendor
> ID. Therefore I just added a check for MAI's PCI vendor ID.) But the
> --- Ursprüngliche Nachricht ---
> Von: Benjamin Herrenschmidt <[EMAIL PROTECTED]>
> An: Gerhard Pircher <[EMAIL PROTECTED]>
> Kopie: [EMAIL PROTECTED], debian-powerpc@lists.debian.org
> Betreff: Re: AGPGART driver for ArticiaS - ioremap() problem
> Datum: T
> Ah, okay. So at least the approach to use the Uninorth code was a step in
> the right direction. But that requires changes in the DRI and X server code,
> right?
Not you shouldn't... there are 2 different things here. One is how you
access the GART table itself. One is how you access the AGP me
> --- Ursprüngliche Nachricht ---
> Von: Benjamin Herrenschmidt <[EMAIL PROTECTED]>
> An: Gerhard Pircher <[EMAIL PROTECTED]>
> Kopie: [EMAIL PROTECTED], debian-powerpc@lists.debian.org
> Betreff: Re: AGPGART driver for ArticiaS - ioremap() problem
> Datum: M
> Actually at least the bridge does everthing right until now (IMHO :-). The
> bridge is detected and also the aperture size is read out correctly from the
> registers. After that, the agp_backend_initialize() function in
> drivers/cahr/agp/backend.c calls the create_gatt_table() function of the
>
> --- Ursprüngliche Nachricht ---
> Von: Benjamin Herrenschmidt <[EMAIL PROTECTED]>
> An: Gerhard Pircher <[EMAIL PROTECTED]>
> Kopie: [EMAIL PROTECTED], debian-powerpc@lists.debian.org
> Betreff: Re: AGPGART driver for ArticiaS - ioremap() problem
> Datum: Mon, 16
> Please take a look at the end of my previous mail, where I included the
> debug messages of the driver and the driver code itself. The log shows that
> the physical address is mapped (IMHO) to the PCI memory range (>
> 0x0c000). Is this correct? Shouldn't it be mapped to the system memory
>
Hi,
> --- Ursprüngliche Nachricht ---
> Von: Benjamin Herrenschmidt <[EMAIL PROTECTED]>
> An: Gerhard Pircher <[EMAIL PROTECTED]>
> Kopie: [EMAIL PROTECTED], debian-powerpc@lists.debian.org
> Betreff: Re: AGPGART driver for ArticiaS - ioremap() problem
> Datum: T
Hi,
> --- Ursprüngliche Nachricht ---
> Von: Benjamin Herrenschmidt <[EMAIL PROTECTED]>
> An: Gerhard Pircher <[EMAIL PROTECTED]>
> Kopie: [EMAIL PROTECTED], debian-powerpc@lists.debian.org
> Betreff: Re: AGPGART driver for ArticiaS - ioremap() problem
> Datum: T
On Wed, 2006-01-11 at 22:00 +0100, Gerhard Pircher wrote:
> Hi,
>
> David Bentam and I are trying to get a AGPGART driver working for the
> AmigaOne and the Pegasos1. The driver detects the aperture size of the
> ArticiaS AGP bridge, but fails at the ioremap() function in the generic GATT
> table
Hi,
> --- Ursprüngliche Nachricht ---
> Von: "John W. Linville" <[EMAIL PROTECTED]>
> An: Gerhard Pircher <[EMAIL PROTECTED]>
> Kopie: [EMAIL PROTECTED], debian-powerpc@lists.debian.org
> Betreff: Re: AGPGART driver for ArticiaS - ioremap() problem
> Datum:
On Wed, Jan 11, 2006 at 10:00:32PM +0100, Gerhard Pircher wrote:
> David Bentam and I are trying to get a AGPGART driver working for the
> AmigaOne and the Pegasos1. The driver detects the aperture size of the
> ArticiaS AGP bridge, but fails at the ioremap() function in the generic GATT
> table c
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