Messages in this thread |  | | | From | Jesse Barnes <> | | Subject | Re: [PATCH] add PCI ROMs to sysfs | | Date | Tue, 3 Aug 2004 14:28:25 -0700 |
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On Tuesday, August 3, 2004 2:19 pm, Jon Smirl wrote: > This is saying that my AGP bridge chip has a ROM right? > > 00:01.0 PCI bridge: Intel Corp. 82875P Processor to AGP Controller (rev > 02) (prog-if 00 [Normal decode]) > Flags: bus master, 66Mhz, fast devsel, latency 64 > Bus: primary=00, secondary=01, subordinate=01, sec-latency=64 > I/O behind bridge: 0000d000-0000dfff > Memory behind bridge: fe900000-feafffff > Prefetchable memory behind bridge: f0000000-f7ffffff > Expansion ROM at 0000d000 [disabled] [size=4K] > > Each of my video controllers has one too: > > 01:00.0 VGA compatible controller: ATI Technologies Inc Radeon RV250 If > [Radeon 9000] (rev 01) (prog-if 00 [VGA]) > Subsystem: C.P. Technology Co. Ltd RV250 If [Radeon 9000 Pro > "Evil Commando"] > Flags: stepping, 66Mhz, medium devsel, IRQ 177 > Memory at f4000000 (32-bit, prefetchable) [disabled] > [size=fea00000] > I/O ports at de00 [disabled] [size=256] > Memory at fe9e0000 (32-bit, non-prefetchable) [disabled] > [size=64K] > Expansion ROM at 00020000 [disabled] > Capabilities: <available only to root> > > 02:02.0 VGA compatible controller: ATI Technologies Inc Rage 128 PD/PRO > TMDS (prog-if 00 [VGA]) > Subsystem: ATI Technologies Inc Rage 128 AIW > Flags: bus master, stepping, medium devsel, latency 64, IRQ 209 > Memory at f8000000 (32-bit, prefetchable) [size=fe800000] > I/O ports at ce00 [size=256] > Memory at fe7dc000 (32-bit, non-prefetchable) [size=16K] > Expansion ROM at 00020000 [disabled] > Capabilities: <available only to root> > > Both of the video ROMs are at 00020000, won't they end up on top of > each other when enabled?
Yeah, it doesn't look like they've been properly assigned addresses. But then I've also seen lspci lie, you can check /sys/devices/.../config for the actual resource values. If they're sane then things are more likely to work.
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