From: Davide Viti <zinosat@tiscali.it>
To: <galak@kernel.crashing.org>
Cc: linuxppc-dev@lists.ozlabs.org
Subject: R: Re: PCI device not working
Date: Thu, 4 Oct 2012 14:24:39 +0200 (CEST) [thread overview]
Message-ID: <11976036.82651349353479389.JavaMail.defaultUser@defaultHost> (raw)
Hi,
it turns out that if define CONFIG_PCI_NOSCAN in u-boot (as per [1]), the=
=20
devide behind the second controller is detected by the Linux kernel.
Would=20
you suggest any particular patch I should apply to fix this (I'm using kern=
el=20
2.6.34)
thanx alot in advance
Davide
[1] http://permalink.gmane.org/gmane.
linux.ports.ppc.embedded/20140
>----Messaggio originale----
>Da:=20
zinosat@tiscali.it
>Data: 28/09/2012 16.48
>A: <galak@kernel.crashing.org>
>Cc:=20
<linuxppc-dev@lists.ozlabs.org>
>Ogg: R: Re: PCI device not working
>
>Hi=20
Kumar,
>
>>
>>It was, can you figure out in u-boot what exact config read on=20
>the bus would return the correct thing.
>>
>>The fact that when we probe the=20
>device at 0001:03 we should get back something like cfg_data=3D0xabba1b65
>>
>
>here=20
>follow some details about what is going on inside u-boot; verbosity=20
increases=20
>from [1] to [3]
>
> [1] PCI printouts when the board come up
> [2]=20
output of "pci=20
>[0-3] long" u-boot command
> [3] same as [1] but with debug=20
print inside=20
>indirect_read_config_##size() [drivers/pci/pci_indirect.c]
>
>if=20
you were curious=20
>about our u-boot board settings, please refer to:
>http:
//www.mail-archive.
>com/linuxppc-dev@lists.ozlabs.org/msg62007.html
>
>thanx=20
alot,
>Davide
>
>
>
>*************
>* [1] *
>*************
> PCIE1=20
used as Root Complex (base=20
>addr ffe09000)
> Scanning PCI bus 01
> 01 00 1b65 abba =20
>0280 00
> cfg_addr:ffe09000 cfg_data:
ffe09004 indirect_type:0
> =20
>PCIE1 on bus 00 - 01
>
>
> PCIE2 used as=20
Root Complex (base addr ffe0a000)
>
> Scanning PCI bus 03
> 03 00 1b65 abba 0280 00
> =20
>cfg_addr:ffe0a000 cfg_data:
ffe0a004 indirect_type:0
> PCIE2 on bus 02 - 03
>
>
>*************
>* =20
[2] *
>*************
>
>=3D> pci 0 long
>Scanning PCI devices=20
>on bus 0
>
>Found PCI device 00.00.00:
> vendor ID =3D 0x1957
> =20
>device=20
ID =3D 0x0100
> command register =3D 0x0006
> =20
>status register =3D 0x0010
> revision ID =3D 0x11
> =20
>class code =3D 0x0b (Processor)
> sub class code=20
=3D =20
>0x20
> programming interface =3D 0x00
> cache line=20
=3D 0x08
>
> latency time =3D 0x00
> header type=20
=3D 0x01
> =20
>BIST =3D 0x00
> base address=20
0 =3D 0xfff00000
> =20
>base address 1 =3D 0x00000000
> =20
primary bus number =3D 0x00
> =20
>secondary bus number =3D 0x01
> =20
subordinate bus number =3D 0x01
> =20
>secondary latency timer =3D 0x00
> =20
IO base =3D 0x00
> IO=20
>limit =3D 0x00
> =20
secondary status =3D 0x0000
> memory=20
>base =3D 0xa000
> memory limit =3D 0xa000
> prefetch=20
>memory base =3D =20
0x1001
> prefetch memory limit =3D 0x0001
> prefetch=20
>memory base upper=20
=3D 0x00000000
> prefetch memory limit upper =3D 0x00000000
> IO=20
>base upper 16=20
bits =3D 0x0000
> IO limit upper 16 bits =3D 0x0000
> =20
>expansion ROM=20
base address =3D 0x00000000
> interrupt line =3D 0x00
> =20
>interrupt=20
pin =3D 0x00
> bridge control =3D 0x0000
>
>=3D>=20
>pci 1=20
long
>Scanning PCI devices on bus 1
>
>Found PCI device 01.00.00:kk
> vendor=20
>ID =3D 0x1b65
> device ID =3D 0xabba
> =20
command=20
>register =3D 0x0006
> status register =3D 0x0010
> revision=20
>ID =3D 0x01
> class code =3D 0x02=20
(Network=20
>controller)
> sub class code =3D 0x80
> programming=20
interface=20
>=3D 0x00
> cache line =3D 0x08
> latency time=20
>=3D 0x00
> header type =3D 0x00
> BIST=20
>=3D 0x00
> base address 0 =3D 0xa0000000
> =20
base=20
>address 1 =3D 0xa0010000
> base address 2 =3D =20
0x00000000
>
> base address 3 =3D 0x00000000
> base address 4=20
=3D =20
>0x00000000
> base address 5 =3D 0x00000000
> =20
cardBus CIS pointer=20
>=3D 0x00000000
> sub system vendor ID =3D =20
0x0000
> sub system ID=20
>=3D 0x0000
> expansion ROM base address=20
=3D 0x00000000
> interrupt=20
>line =3D 0x00
> interrupt pin=20
=3D 0x01
> min Grant=20
>=3D 0x00
> max Latency=20
=3D 0x00
>
>=3D> pci 2 long
>
>Scanning PCI devices on bus 2
>
>Found PCI device 02.00.00:
> vendor ID=20
>=3D 0x1957
> device=20
ID =3D 0x0100
> command=20
>register =3D 0x0006
> =20
status register =3D 0x0010
> revision=20
>ID =3D 0x11
> =20
class code =3D 0x0b (Processor)
> =20
>sub class code=20
=3D 0x20
> programming interface =3D 0x00
> cache=20
>line=20
=3D 0x08
> latency time =3D 0x00
> header type=20
>=3D 0x01
> BIST =3D 0x00
> base address=20
0=20
>=3D 0xfff00000
> base address 1 =3D 0x00000000
> =20
primary=20
>bus number =3D 0x00
> secondary bus number =3D 0x01
> =20
subordinate=20
>bus number =3D 0x01
> secondary latency timer =3D 0x00
> =20
IO base=20
>=3D 0x00
> IO limit =3D 0x00
> =20
secondary=20
>status =3D 0x0000
> memory base =3D 0xb000
> memory=20
>limit =3D 0xb000
> prefetch memory base =3D =20
0x1001
> prefetch=20
>memory limit =3D 0x0001
> prefetch memory base upper=20
=3D 0x00000000
> =20
>prefetch memory limit upper =3D 0x00000000
> IO base upper 16=20
bits =3D 0x0000
>
> IO limit upper 16 bits =3D 0x0000
> expansion ROM=20
base address =3D =20
>0x00000000
> interrupt line =3D 0x00
> interrupt=20
pin =3D =20
>0x00
> bridge control =3D 0x0000
>
>=3D> pci 3=20
long
>Scanning PCI devices=20
>on bus 3
>
>Found PCI device 03.00.00:
> vendor=20
ID =3D 0x1b65
> =20
>device ID =3D 0xabba
> =20
command register =3D 0x0006
> =20
>status register =3D 0x0010
> revision ID =3D 0x01
> =20
>class code =3D 0x02=20
(Network controller)
> sub class code=20
>=3D 0x80
> programming=20
interface =3D 0x00
> cache line=20
>=3D 0x08
> latency time=20
=3D 0x00
> header type=20
>=3D 0x00
> BIST=20
=3D 0x00
> base address 0=20
>=3D 0xb0000000
> =20
base address 1 =3D 0xb0010000
> base=20
>address 2 =3D =20
0x00000000
> base address 3 =3D 0x00000000
>
> base address 4=20
=3D 0x00000000
> base address 5 =3D =20
>0x00000000
> =20
cardBus CIS pointer =3D 0x00000000
> sub system vendor ID=20
>=3D =20
0x0000
> sub system ID =3D 0x0000
> expansion ROM base=20
>address=20
=3D 0x00000000
> interrupt line =3D 0x00
> interrupt pin=20
>=3D 0x01
> min Grant =3D 0x00
> max Latency=20
>=3D 0x00
>
>
>*************
>* [3] *
>*************
>
> =20
PCIE1=20
>used as Root Complex (base addr ffe09000)
>b=3D0 d=3D0 f=3D0 (fbusno=3D0=20
itype=3D0=20
>cfg_adr=3Dffe09000 cfg_data=3Dffe09004) ofs=3D10 mask=3D0
>...
> Scanning=20
>PCI bus 01
>b=3D1 d=3D0 f=3D0 (fbusno=3D0 itype=3D0=20
cfg_adr=3Dffe09000 cfg_data=3Dffe09004)=20
>ofs=3De mask=3D3
>...
>b=3D1 d=3D0 f=3D0 (fbusno=3D0=20
itype=3D0 cfg_adr=3Dffe09000=20
>cfg_data=3Dffe09004) ofs=3D3c mask=3D3
> 01 00 =20
1b65 abba 0280 00
>b=3D1 d=3D1=20
>f=3D0 (fbusno=3D0 itype=3D0 cfg_adr=3Dffe09000=20
cfg_data=3Dffe09004) ofs=3De mask=3D3
>b=3D1 d=3D1=20
>f=3D0 (fbusno=3D0 itype=3D0=20
cfg_adr=3Dffe09000 cfg_data=3Dffe09004) ofs=3D0 mask=3D2
>...
>b=3D0=20
>d=3D0 f=3D0 (fbusno=3D0=20
itype=3D0 cfg_adr=3Dffe09000 cfg_data=3Dffe09004) ofs=3D9 mask=3D3
> =20
>PCIE1 on bus 00=20
- 01
>
> PCIE2 used as Root Complex (base addr ffe0a000)
>b=3D0=20
>d=3D0 f=3D0=20
(fbusno=3D2 itype=3D0 cfg_adr=3Dffe0a000 cfg_data=3Dffe0a004) ofs=3D10 mask=
=3D0
>b=3D0=20
>d=3D0=20
f=3D0 (fbusno=3D2 itype=3D0 cfg_adr=3Dffe0a000 cfg_data=3Dffe0a004) ofs=3D1=
0 mask=3D0
>...
>
>b=3D0 d=3D0 f=3D0 (fbusno=3D2 itype=3D0 cfg_adr=3Dffe0a000 cfg_data=3Dffe0=
a004) ofs=3D9 mask=3D3
>
> Scanning PCI bus 03
>b=3D1 d=3D0 f=3D0 (fbusno=3D2 itype=3D0=20
>cfg_adr=3Dffe0a000 cfg_data=3Dffe0a004) ofs=3De mask=3D3
>b=3D1 d=3D0 f=3D0 (fbusno=3D2=20
itype=3D0=20
>cfg_adr=3Dffe0a000 cfg_data=3Dffe0a004) ofs=3D0 mask=3D2
>...
>b=3D1 d=3D0 f=3D0=20
(fbusno=3D2=20
>itype=3D0 cfg_adr=3Dffe0a000 cfg_data=3Dffe0a004) ofs=3D3c mask=3D3
> =20
03 00 1b65 =20
>abba 0280 00
> cfg_addr:ffe0a000 cfg_data:ffe0a004 =20
indirect_type:0
>
>b=3D1 d=3D1 f=3D0 (fbusno=3D2 itype=3D0 cfg_adr=3Dffe0a000=20
cfg_data=3Dffe0a004) ofs=3De mask=3D3
>
>...
>b=3D0 d=3D0 f=3D0 (fbusno=3D2 itype=3D0=20
cfg_adr=3Dffe0a000 cfg_data=3Dffe0a004) ofs=3D9=20
>mask=3D3
> PCIE2 on bus 02 - 03
>
>
>
>Invita i tuoi amici e Tiscali ti premia! Il consiglio di un amico vale pi=
=C3=B9=20
di uno spot in TV. Per ogni nuovo abbonato 30 =E2=82=AC di premio per te e =
per lui! Un=20
amico al mese e parli e navighi sempre gratis: http://freelosophy.tiscali.i=
t/
Invita i tuoi amici e Tiscali ti premia! Il consiglio di un amico vale pi=
=C3=B9 di uno spot in TV. Per ogni nuovo abbonato 30 =E2=82=AC di premio pe=
r te e per lui! Un amico al mese e parli e navighi sempre gratis: http://fr=
eelosophy.tiscali.it/
next reply other threads:[~2012-10-04 12:29 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-04 12:24 Davide Viti [this message]
2012-10-04 13:14 ` PCI device not working Kumar Gala
[not found] ` <CAKpAL0m3YnsbbGxL+ejfyE4zfGE5LD9Qxb7oobHVaAZGE1_Jnw@mail.gmail.com>
2012-10-05 8:54 ` Fwd: " Davide Viti
2012-10-05 12:47 ` Kumar Gala
2012-10-25 8:21 ` Davide
2012-10-31 8:52 ` Davide
-- strict thread matches above, loose matches on Subject: below --
2012-09-28 14:48 R: " Davide Viti
2012-09-27 13:14 Davide Viti
2012-09-27 11:43 Davide Viti
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