Cardbus support broken between 2.6.14-rc2 and -rc3
Chris Lu
kalenedrael at yahoo.com
Wed Jan 4 16:19:19 EST 2006
Hi all,
A while ago I said that my Cardbus bridge would not
work under 2.6.14 proper but it did under 2.6.13 after
changing the CARDBUS_IO_SIZE to 4096 in
drivers/pci/setup-bus.c. I have recently found that it
broke somewhere between 2.6.14-rc2 and -rc3; if you
guys could help find which change did that, I would
appreciate it. By 'not work' I mean that the when the
card is inserted, power is applied and cardctl status
shows that the card is there but no new PCI device ID
is assigned to that card.
I am running a AMD64 platform. Here is the output from
lspci -vvv:
0000:00:00.0 Host bridge: nVidia Corporation nForce3
Host Bridge (rev a4)
Control: I/O- Mem+ BusMaster+ SpecCycle-
MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B-
Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr-
DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 0
Region 0: Memory at e8000000 (32-bit,
prefetchable) [size=128M]
Capabilities: [44] #08 [0180]
Capabilities: [c0] AGP version 2.0
Status: RQ=32 Iso- ArqSz=0 Cal=0 SBA+
ITACoh- GART64- HTrans- 64bit- FW+ AGP3- Rate=x1,x2,x4
Command: RQ=1 ArqSz=0 Cal=0 SBA- AGP+
GART64- 64bit- FW- Rate=x4
0000:00:01.0 ISA bridge: nVidia Corporation nForce3
LPC Bridge (rev a6)
Subsystem: nVidia Corporation: Unknown device
0c80
Control: I/O+ Mem+ BusMaster+ SpecCycle+
MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap- 66MHz+ UDF- FastB2B+ ParErr-
DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 0
0000:00:01.1 SMBus: nVidia Corporation nForce3 SMBus
(rev a4)
Subsystem: Hewlett-Packard Company: Unknown
device 006d
Control: I/O+ Mem- BusMaster- SpecCycle-
MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr-
DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Interrupt: pin A routed to IRQ 10
Region 4: I/O ports at 2040 [size=64]
Region 5: I/O ports at 2000 [size=64]
Capabilities: [44] Power Management version 2
Flags: PMEClk- DSI- D1- D2-
AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot+,D3cold+)
Status: D0 PME-Enable- DSel=0 DScale=0
PME-
0000:00:02.0 USB Controller: nVidia Corporation
nForce3 USB 1.1 (rev a5) (prog-if 10 [OHCI])
Subsystem: nVidia Corporation: Unknown device
0c80
Control: I/O- Mem+ BusMaster+ SpecCycle-
MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr-
DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 0 (750ns min, 250ns max)
Interrupt: pin A routed to IRQ 20
Region 0: Memory at e0000000 (32-bit,
non-prefetchable) [size=4K]
Capabilities: [44] Power Management version 2
Flags: PMEClk- DSI- D1+ D2+
AuxCurrent=0mA PME(D0+,D1+,D2+,D3hot+,D3cold+)
Status: D0 PME-Enable- DSel=0 DScale=0
PME-
0000:00:02.1 USB Controller: nVidia Corporation
nForce3 USB 1.1 (rev a5) (prog-if 10 [OHCI])
Subsystem: nVidia Corporation: Unknown device
0c80
Control: I/O- Mem+ BusMaster+ SpecCycle-
MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr-
DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 0 (750ns min, 250ns max)
Interrupt: pin B routed to IRQ 21
Region 0: Memory at e0001000 (32-bit,
non-prefetchable) [size=4K]
Capabilities: [44] Power Management version 2
Flags: PMEClk- DSI- D1+ D2+
AuxCurrent=0mA PME(D0+,D1+,D2+,D3hot+,D3cold+)
Status: D0 PME-Enable- DSel=0 DScale=0
PME-
0000:00:02.2 USB Controller: nVidia Corporation
nForce3 USB 2.0 (rev a2) (prog-if 20 [EHCI])
Subsystem: nVidia Corporation: Unknown device
0c80
Control: I/O- Mem+ BusMaster+ SpecCycle-
MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr-
DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 0 (750ns min, 250ns max)
Interrupt: pin C routed to IRQ 18
Region 0: Memory at e0004000 (32-bit,
non-prefetchable) [size=256]
Capabilities: [80] Power Management version 2
Flags: PMEClk- DSI- D1+ D2+
AuxCurrent=0mA PME(D0+,D1+,D2+,D3hot+,D3cold+)
Status: D0 PME-Enable- DSel=0 DScale=0
PME-
0000:00:06.0 Multimedia audio controller: nVidia
Corporation nForce3 Audio (rev a2)
Subsystem: Hewlett-Packard Company: Unknown
device 006d
Control: I/O+ Mem+ BusMaster+ SpecCycle-
MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr-
DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 0 (500ns min, 1250ns max)
Interrupt: pin A routed to IRQ 20
Region 0: I/O ports at 1400 [size=256]
Region 1: I/O ports at 1c00 [size=128]
Region 2: Memory at e0002000 (32-bit,
non-prefetchable) [size=4K]
Capabilities: [44] Power Management version 2
Flags: PMEClk- DSI- D1+ D2+
AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
Status: D0 PME-Enable- DSel=0 DScale=0
PME-
0000:00:06.1 Modem: nVidia Corporation: Unknown device
00d9 (rev a2) (prog-if 00 [Generic])
Subsystem: Hewlett-Packard Company: Unknown
device 006d
Control: I/O+ Mem+ BusMaster- SpecCycle-
MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr-
DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Interrupt: pin B routed to IRQ 18
Region 0: I/O ports at 1800 [size=256]
Region 1: I/O ports at 1c80 [size=128]
Region 2: Memory at e0003000 (32-bit,
non-prefetchable) [size=4K]
Capabilities: [44] Power Management version 2
Flags: PMEClk- DSI- D1- D2-
AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold+)
Status: D0 PME-Enable- DSel=0 DScale=0
PME-
0000:00:08.0 IDE interface: nVidia Corporation nForce3
IDE (rev a5) (prog-if 8a [Master SecP PriP])
Subsystem: nVidia Corporation: Unknown device
0c80
Control: I/O+ Mem- BusMaster+ SpecCycle-
MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr-
DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 0 (750ns min, 250ns max)
Region 4: I/O ports at 2080 [size=16]
Capabilities: [44] Power Management version 2
Flags: PMEClk- DSI- D1- D2-
AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
Status: D0 PME-Enable- DSel=0 DScale=0
PME-
0000:00:0a.0 PCI bridge: nVidia Corporation nForce3
PCI Bridge (rev a2) (prog-if 00 [Normal decode])
Control: I/O+ Mem+ BusMaster+ SpecCycle-
MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B-
Status: Cap- 66MHz+ UDF- FastB2B+ ParErr-
DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 0
Bus: primary=00, secondary=02, subordinate=0a,
sec-latency=128
I/O behind bridge: 00003000-00007fff
Memory behind bridge: e0100000-e17fffff
Prefetchable memory behind bridge:
40000000-43ffffff
BridgeCtl: Parity- SERR- NoISA- VGA- MAbort-
>Reset- FastB2B-
0000:00:0b.0 PCI bridge: nVidia Corporation nForce3
AGP Bridge (rev a4) (prog-if 00 [Normal decode])
Control: I/O+ Mem+ BusMaster+ SpecCycle-
MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B-
Status: Cap- 66MHz+ UDF- FastB2B- ParErr-
DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 16
Bus: primary=00, secondary=01, subordinate=01,
sec-latency=10
I/O behind bridge: 0000f000-00000fff
Memory behind bridge: e2000000-e2ffffff
Prefetchable memory behind bridge:
f0000000-f80fffff
BridgeCtl: Parity+ SERR+ NoISA+ VGA+ MAbort-
>Reset- FastB2B-
0000:00:18.0 Host bridge: Advanced Micro Devices [AMD]
K8 NorthBridge
Control: I/O- Mem- BusMaster- SpecCycle-
MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr-
DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Capabilities: [80] #08 [2101]
0000:00:18.1 Host bridge: Advanced Micro Devices [AMD]
K8 NorthBridge
Control: I/O- Mem- BusMaster- SpecCycle-
MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap- 66MHz- UDF- FastB2B- ParErr-
DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR-
0000:00:18.2 Host bridge: Advanced Micro Devices [AMD]
K8 NorthBridge
Control: I/O- Mem- BusMaster- SpecCycle-
MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap- 66MHz- UDF- FastB2B- ParErr-
DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR-
0000:00:18.3 Host bridge: Advanced Micro Devices [AMD]
K8 NorthBridge
Control: I/O- Mem- BusMaster- SpecCycle-
MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap- 66MHz- UDF- FastB2B- ParErr-
DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR-
0000:01:00.0 VGA compatible controller: nVidia
Corporation NV17 [GeForce4 440 Go 64M] (rev a3)
(prog-if 00 [VGA])
Subsystem: Hewlett-Packard Company: Unknown
device 006d
Control: I/O+ Mem+ BusMaster+ SpecCycle-
MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr-
DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 248 (1250ns min, 250ns max)
Interrupt: pin A routed to IRQ 22
Region 0: Memory at e2000000 (32-bit,
non-prefetchable) [size=16M]
Region 1: Memory at f0000000 (32-bit,
prefetchable) [size=128M]
Region 2: Memory at f8000000 (32-bit,
prefetchable) [size=512K]
Expansion ROM at f8080000 [disabled]
[size=128K]
Capabilities: [60] Power Management version 2
Flags: PMEClk- DSI- D1- D2-
AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
Status: D0 PME-Enable- DSel=0 DScale=0
PME-
Capabilities: [44] AGP version 2.0
Status: RQ=32 Iso- ArqSz=0 Cal=0 SBA-
ITACoh- GART64- HTrans- 64bit- FW+ AGP3- Rate=x1,x2,x4
Command: RQ=32 ArqSz=0 Cal=0 SBA- AGP+
GART64- 64bit- FW- Rate=x4
0000:02:00.0 FireWire (IEEE 1394): Texas Instruments
TSB43AB21 IEEE-1394a-2000 Controller (PHY/Link)
(prog-if 10 [OHCI])
Subsystem: Hewlett-Packard Company: Unknown
device 006d
Control: I/O- Mem+ BusMaster+ SpecCycle-
MemWINV+ VGASnoop- ParErr- Stepping- SERR+ FastB2B-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr-
DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 64 (500ns min, 1000ns max), Cache
Line Size: 0x10 (64 bytes)
Interrupt: pin A routed to IRQ 16
Region 0: Memory at e0108000 (32-bit,
non-prefetchable) [size=2K]
Region 1: Memory at e0100000 (32-bit,
non-prefetchable) [size=16K]
Capabilities: [44] Power Management version 2
Flags: PMEClk- DSI- D1+ D2+
AuxCurrent=0mA PME(D0+,D1+,D2+,D3hot+,D3cold-)
Status: D0 PME-Enable- DSel=0 DScale=0
PME+
0000:02:01.0 Ethernet controller: Realtek
Semiconductor Co., Ltd. RTL-8139/8139C/8139C+ (rev 10)
Subsystem: Realtek Semiconductor Co., Ltd.
RT8139
Control: I/O+ Mem+ BusMaster+ SpecCycle-
MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B-
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr-
DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 64 (8000ns min, 16000ns max)
Interrupt: pin A routed to IRQ 17
Region 0: I/O ports at 7000 [size=256]
Region 1: Memory at e0108800 (32-bit,
non-prefetchable) [size=256]
Capabilities: [50] Power Management version 2
Flags: PMEClk- DSI- D1+ D2+
AuxCurrent=375mA PME(D0-,D1+,D2+,D3hot+,D3cold+)
Status: D0 PME-Enable- DSel=0 DScale=0
PME-
0000:02:02.0 Network controller: Broadcom Corporation
BCM4306 802.11b/g Wireless LAN Controller (rev 03)
Subsystem: Hewlett-Packard Company: Unknown
device 12f8
Control: I/O- Mem+ BusMaster+ SpecCycle-
MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B-
Status: Cap- 66MHz- UDF- FastB2B- ParErr-
DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 64
Interrupt: pin A routed to IRQ 19
Region 0: Memory at e0104000 (32-bit,
non-prefetchable) [size=8K]
0000:02:04.0 CardBus bridge: Texas Instruments:
Unknown device ac54 (rev 01)
Subsystem: Hewlett-Packard Company: Unknown
device 006d
Control: I/O+ Mem+ BusMaster+ SpecCycle-
MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr-
DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 168, Cache Line Size: 0x10 (64 bytes)
Interrupt: pin A routed to IRQ 16
Region 0: Memory at e0106000 (32-bit,
non-prefetchable) [size=4K]
Bus: primary=02, secondary=03, subordinate=06,
sec-latency=176
Memory window 0: 40000000-41fff000
(prefetchable)
Memory window 1: e0400000-e07ff000
I/O window 0: 00003000-00003fff
I/O window 1: 00004000-00004fff
BridgeCtl: Parity- SERR- ISA- VGA- MAbort-
>Reset- 16bInt- PostWrite+
16-bit legacy interface ports at 0001
0000:02:04.1 CardBus bridge: Texas Instruments:
Unknown device ac54 (rev 01)
Subsystem: Hewlett-Packard Company: Unknown
device 006d
Control: I/O+ Mem+ BusMaster+ SpecCycle-
MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr-
DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 168, Cache Line Size: 0x10 (64 bytes)
Interrupt: pin B routed to IRQ 17
Region 0: Memory at e0107000 (32-bit,
non-prefetchable) [size=4K]
Bus: primary=02, secondary=07, subordinate=0a,
sec-latency=176
Memory window 0: 42000000-43fff000
(prefetchable)
Memory window 1: e0c00000-e0fff000
I/O window 0: 00005000-00005fff
I/O window 1: 00006000-00006fff
BridgeCtl: Parity- SERR- ISA- VGA- MAbort-
>Reset+ 16bInt+ PostWrite+
16-bit legacy interface ports at 0001
0000:02:04.2 System peripheral: Texas Instruments:
Unknown device 8201 (rev 01)
Subsystem: Hewlett-Packard Company: Unknown
device 006d
Control: I/O+ Mem+ BusMaster+ SpecCycle-
MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr-
DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 64 (1750ns min, 1000ns max), Cache
Line Size: 0x10 (64 bytes)
Region 0: I/O ports at 7400 [size=64]
Capabilities: [44] Power Management version 2
Flags: PMEClk- DSI- D1- D2-
AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
Status: D0 PME-Enable- DSel=0 DScale=0
PME-
0000:03:00.0 Ethernet controller: Atheros
Communications, Inc. AR5212 802.11abg NIC (rev 01)
Subsystem: Linksys: Unknown device 0035
Control: I/O- Mem+ BusMaster+ SpecCycle-
MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr-
DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 168 (2500ns min, 7000ns max), Cache
Line Size: 0x10 (64 bytes)
Interrupt: pin A routed to IRQ 16
Region 0: Memory at e0400000 (32-bit,
non-prefetchable) [size=64K]
Capabilities: [44] Power Management version 2
Flags: PMEClk- DSI- D1- D2-
AuxCurrent=375mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
Status: D0 PME-Enable- DSel=0 DScale=2
PME-
The last device in the list is the inserted Cardbus
card.
Regards,
Chris Lu
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