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SubjectRe: PCI riser cards and PCI irq routing, etc
Krzysztof Halasa wrote:
> Udo van den Heuvel <udovdh@xs4all.nl> writes:
>
>> I have DN19 and DN20 now and it doesn't work.
>> Only because the INT mapping on the riser is not right?
>
> Yes. I assume DN20 works, only DN19 has problems.

Well, today I tried the same VIA motherboard (EN12000) with a Morex 2788
case and their dual PCI riser card does have a working interrupt on the
upper slot. lspci is below. I can use the lower slot later, when the
harddisk is not blocking the space for the PCI-card there.

I use a 2.6.20.1 kernel with SAA7146_USE_I2C_IRQ for budget-av.c. In the
old situation I was forced to use SAA7146_I2C_SHORT_DELAY even though
the upper slot had the same DN and same IRQ given by Linux.

Thanks a lot for all the comments and feedback!
Thanks to Morex for having a working PCI riser card!


# lspci -v
00:00.0 Host bridge: VIA Technologies, Inc. CN700/VN800/P4M800CE/Pro
Host Bridge
Subsystem: VIA Technologies, Inc. Unknown device aa08
Flags: bus master, 66MHz, medium devsel, latency 8
Memory at e8000000 (32-bit, prefetchable) [size=128M]
Capabilities: [80] AGP version 3.5
Capabilities: [50] Power Management version 2

00:00.1 Host bridge: VIA Technologies, Inc. CN700/VN800/P4M800CE/Pro
Host Bridge
Flags: bus master, medium devsel, latency 0

00:00.2 Host bridge: VIA Technologies, Inc. CN700/VN800/P4M800CE/Pro
Host Bridge
Flags: bus master, medium devsel, latency 0

00:00.3 Host bridge: VIA Technologies, Inc. PT890 Host Bridge
Flags: bus master, medium devsel, latency 0

00:00.4 Host bridge: VIA Technologies, Inc. CN700/VN800/P4M800CE/Pro
Host Bridge
Flags: bus master, medium devsel, latency 0

00:00.7 Host bridge: VIA Technologies, Inc. CN700/VN800/P4M800CE/Pro
Host Bridge
Flags: bus master, medium devsel, latency 0

00:01.0 PCI bridge: VIA Technologies, Inc. VT8237 PCI Bridge (prog-if 00
[Normal
decode])
Flags: bus master, 66MHz, medium devsel, latency 0
Bus: primary=00, secondary=01, subordinate=01, sec-latency=0
I/O behind bridge: 0000b000-0000bfff
Memory behind bridge: fb000000-fcffffff
Prefetchable memory behind bridge: f4000000-f7ffffff
Capabilities: [70] Power Management version 2

00:0d.0 FireWire (IEEE 1394): VIA Technologies, Inc. IEEE 1394 Host
Controller (
rev 80) (prog-if 10 [OHCI])
Subsystem: VIA Technologies, Inc. IEEE 1394 Host Controller
Flags: bus master, stepping, medium devsel, latency 32, IRQ 20
Memory at fdfff000 (32-bit, non-prefetchable) [size=2K]
I/O ports at fc00 [size=128]
Capabilities: [50] Power Management version 2

00:0e.0 Ethernet controller: VIA Technologies, Inc. VT6120/VT6121/VT6122
Gigabit
Ethernet Adapter (rev 11)
Subsystem: VIA Technologies, Inc. Unknown device 0110
Flags: bus master, 66MHz, medium devsel, latency 32, IRQ 17
I/O ports at f800 [size=256]
Memory at fdffe000 (32-bit, non-prefetchable) [size=256]
Capabilities: [50] Power Management version 2

00:0f.0 IDE interface: VIA Technologies, Inc. VIA VT6420 SATA RAID
Controller (r
ev 80) (prog-if 8f [Master SecP SecO PriP PriO])
Subsystem: VIA Technologies, Inc. VIA VT6420 SATA RAID Controller
Flags: bus master, medium devsel, latency 32, IRQ 18
I/O ports at f400 [size=8]
I/O ports at f000 [size=4]
I/O ports at ec00 [size=8]
I/O ports at e800 [size=4]
I/O ports at e400 [size=16]
I/O ports at e000 [size=256]
Capabilities: [c0] Power Management version 2

00:0f.1 IDE interface: VIA Technologies, Inc.
VT82C586A/B/VT82C686/A/B/VT823x/A/
C PIPC Bus Master IDE (rev 06)
(prog-if 8a [Master SecP PriP])
Subsystem: VIA Technologies, Inc.
VT82C586/B/VT82C686/A/B/VT8233/A/C/VT8
235 PIPC Bus Master IDE
Flags: bus master, medium devsel, latency 32, IRQ 18
[virtual] Memory at 000001f0 (32-bit, non-prefetchable) [size=8]
[virtual] Memory at 000003f0 (type 3, non-prefetchable) [size=1]
[virtual] Memory at 00000170 (32-bit, non-prefetchable) [size=8]
[virtual] Memory at 00000370 (type 3, non-prefetchable) [size=1]
I/O ports at dc00 [size=16]
Capabilities: [c0] Power Management version 2

00:10.0 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1
Controller
(rev 81) (prog-if 00 [UHCI])
Subsystem: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller
Flags: bus master, medium devsel, latency 32, IRQ 19
I/O ports at d800 [size=32]
Capabilities: [80] Power Management version 2

00:10.1 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1
Controller
(rev 81) (prog-if 00 [UHCI])
Subsystem: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller
Flags: bus master, medium devsel, latency 32, IRQ 19
I/O ports at d400 [size=32]
Capabilities: [80] Power Management version 2

00:10.2 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1
Controller
(rev 81) (prog-if 00 [UHCI])
Subsystem: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller
Flags: bus master, medium devsel, latency 32, IRQ 19
I/O ports at d000 [size=32]
Capabilities: [80] Power Management version 2

00:10.4 USB Controller: VIA Technologies, Inc. USB 2.0 (rev 86) (prog-if
20 [EHC
I])
Subsystem: VIA Technologies, Inc. USB 2.0
Flags: bus master, medium devsel, latency 32, IRQ 19
Memory at fdffd000 (32-bit, non-prefetchable) [size=256]
Capabilities: [80] Power Management version 2

00:11.0 ISA bridge: VIA Technologies, Inc. VT8237 ISA bridge
[KT600/K8T800/K8T89
0 South]
Subsystem: VIA Technologies, Inc. Unknown device aa08
Flags: bus master, stepping, medium devsel, latency 0
Capabilities: [c0] Power Management version 2

00:11.5 Multimedia audio controller: VIA Technologies, Inc.
VT8233/A/8235/8237 A
C97 Audio Controller (rev 60)
Subsystem: VIA Technologies, Inc. Unknown device aa08
Flags: medium devsel, IRQ 21
I/O ports at c800 [size=256]
Capabilities: [c0] Power Management version 2

00:13.0 Multimedia controller: Philips Semiconductors SAA7146 (rev 01)
Subsystem: TERRATEC Electronic GmbH Unknown device 1157
Flags: bus master, medium devsel, latency 32, IRQ 16
Memory at fdffc000 (32-bit, non-prefetchable) [size=512]

01:00.0 VGA compatible controller: VIA Technologies, Inc. UniChrome Pro
IGP (rev
01) (prog-if 00 [VGA])
Subsystem: VIA Technologies, Inc. UniChrome Pro IGP
Flags: bus master, 66MHz, medium devsel, latency 32, IRQ 16
Memory at f4000000 (32-bit, prefetchable) [size=64M]
Memory at fb000000 (32-bit, non-prefetchable) [size=16M]
[virtual] Expansion ROM at fc000000 [disabled] [size=64K]
Capabilities: [60] Power Management version 2
Capabilities: [70] AGP version 3.0


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