From: Olaf Hering <olh@suse.de>
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Linux Kernel list <linux-kernel@vger.kernel.org>,
Paul Mackeras <paulus@samba.org>
Subject: Re: reserve legacy io regions on powermac
Date: Fri, 23 Jul 2004 16:21:48 +0200 [thread overview]
Message-ID: <20040723142148.GC9715@suse.de> (raw)
In-Reply-To: <1090421466.2002.24.camel@gaston>
On Wed, Jul 21, Benjamin Herrenschmidt wrote:
> Note that this is still all workarounds... Nothing prevents you (and some
> people actually do that) to put a PCI card with legacy serial ports on it
> inside a pmac....
I just tried it on a powerbook pismo, its a pccard combo card, network
and modem. Unmodified 2.6.8-rc2 kernel.
putting this into pmac_pcibios_fixup() will break pcmcia.
request_region(0x0UL, 0x1000UL, "reserved legacy io");
0001:01:1a.0 CardBus bridge: Texas Instruments PCI1211
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 08
Interrupt: pin A routed to IRQ 58
Region 0: Memory at a0000000 (32-bit, non-prefetchable)
Bus: primary=01, secondary=02, subordinate=05, sec-latency=176
Memory window 0: 90000000-9ffff000 (prefetchable)
Memory window 1: f3000000-f31ff000
I/O window 0: 00001000-00008fff
I/O window 1: 00009000-000090ff
BridgeCtl: Parity- SERR- ISA- VGA- MAbort- >Reset+ 16bInt+ PostWrite+
16-bit legacy interface ports at 0001
Linux Kernel Card Services
options: [pci] [cardbus] [pm]
Yenta: CardBus bridge found at 0001:01:1a.0 [0000:0000]
Yenta: Enabling burst memory read transactions
Yenta: Using CSCINT to route CSC interrupts to PCI
Yenta: Routing CardBus interrupts to PCI
Yenta TI: socket 0001:01:1a.0, mfunc 0x00000002, devctl 0x60
Yenta: ISA IRQ mask 0x0000, PCI irq 58
Socket status: 30000006
cs: memory probe 0x0c0000-0x0fffff: excluding 0xc0000-0xfffff
cs: memory probe 0x60000000-0x60ffffff: excluding 0x60000000-0x60ffffff
cs: memory probe 0xa0000000-0xa0ffffff: excluding 0xa0000000-0xa00fffff
Serial: 8250/16550 driver $Revision: 1.90 $ 8 ports, IRQ sharing disabled
IN from bad port 3f9 at cdc1b030
IN from bad port 3f9 at cdc1b030
IN from bad port 3f9 at cdc1b030
IN from bad port 2f9 at cdc1b030
IN from bad port 2f9 at cdc1b030
IN from bad port 2f9 at cdc1b030
IN from bad port 3e9 at cdc1b030
IN from bad port 3e9 at cdc1b030
IN from bad port 3e9 at cdc1b030
IN from bad port 2e9 at cdc1b030
IN from bad port 2e9 at cdc1b030
IN from bad port 2e9 at cdc1b030
eth%d: autonegotiation failed; using 10mbs
eth%d: MII selected
eth%d: media 10BaseT, silicon revision 5
eth1: Compaq: port 0x300, irq 58, hwaddr 00:08:C7:64:68:7B
ttyS3 at I/O 0x2e8 (irq = 58) is a 16550A
Module Size Used by
serial_cs 11484 1
8250 24036 1 serial_cs
serial_core 26752 1 8250
xirc2ps_cs 29904 1
sg 38756 0
st 43004 0
sd_mod 22176 0
sr_mod 20068 0
scsi_mod 139276 4 sg,st,sd_mod,sr_mod
ohci1394 40036 0
ieee1394 125128 1 ohci1394
ohci_hcd 25476 0
sungem 34788 0
crc32 4736 1 sungem
sungem_phy 9856 1 sungem
ds 22916 4 serial_cs,xirc2ps_cs
yenta_socket 22688 1
pcmcia_core 73876 4 serial_cs,xirc2ps_cs,ds,yenta_socket
/proc/ioports
00000000-007fffff : /pci@f2000000
000002e8-000002ef : pcmcia_socket0
000002e8-000002ef : serial
00000300-0000030f : pcmcia_socket0
00001000-00008fff : PCI CardBus #02
00009000-000090ff : PCI CardBus #02
00802000-01001fff : /pci@f0000000
00802400-008024ff : 0000:00:10.0
ff7fe000-ffffdfff : /pci@f4000000
/proc/iomem
80000000-afffffff : /pci@f2000000
80000000-8007ffff : 0001:01:17.0
80000034-80000034 : media-bay
80008a00-80008aff : ide-pmac (dma)
80008b00-80008bff : ide-pmac (dma)
80008c00-80008cff : ide-pmac (dma)
80016000-80017fff : via-pmu
8001f000-8001ffff : ide-pmac (ports)
80020000-80020fff : ide-pmac (ports)
80040000-8007ffff : interrupt-controller
90000000-9fffffff : PCI CardBus #02
a0000000-a0000fff : 0001:01:1a.0
a0000000-a0000fff : yenta_socket
a0001000-a0001fff : 0001:01:19.0
a0001000-a0001fff : ohci_hcd
a0002000-a0002fff : 0001:01:18.0
a0002000-a0002fff : ohci_hcd
a0100000-a0100fff : pcmcia_socket0
a0101000-a0101fff : pcmcia_socket0
b0000000-bfffffff : /pci@f0000000
b0000000-b0003fff : 0000:00:10.0
b0000000-b0003fff : aty128fb MMIO
b4000000-b7ffffff : 0000:00:10.0
b4000000-b7ffffff : aty128fb FB
f1000000-f1ffffff : /pci@f0000000
f3000000-f3ffffff : /pci@f2000000
f3000000-f31fffff : PCI CardBus #02
f5000000-f5ffffff : /pci@f4000000
f5000000-f5000fff : 0002:06:0e.0
f5000000-f50007ff : ohci1394
f5200000-f53fffff : 0002:06:0f.0
f5200000-f53fffff : sungem
f8000000-f8ffffff : uni-n
--
USB is for mice, FireWire is for men!
sUse lINUX ag, nÜRNBERG
next prev parent reply other threads:[~2004-07-23 14:22 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-07-21 9:12 reserve legacy io regions on powermac Olaf Hering
2004-07-21 14:51 ` Benjamin Herrenschmidt
2004-07-21 14:56 ` Olaf Hering
2004-07-21 15:48 ` Geert Uytterhoeven
2004-07-21 17:08 ` Segher Boessenkool
2004-07-21 20:07 ` Jesse Barnes
2004-07-22 8:21 ` Segher Boessenkool
2004-07-23 14:21 ` Olaf Hering [this message]
2004-07-23 16:44 ` Olaf Hering
-- strict thread matches above, loose matches on Subject: below --
2004-07-22 0:59 Albert Cahalan
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