From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mrqout3.tiscali.it (mrqout3.tiscali.it [195.130.225.13]) by ozlabs.org (Postfix) with ESMTP id 4E7D12C0373 for ; Thu, 4 Oct 2012 22:29:54 +1000 (EST) Message-ID: <11976036.82651349353479389.JavaMail.defaultUser@defaultHost> Date: Thu, 4 Oct 2012 14:24:39 +0200 (CEST) From: Davide Viti To: Subject: R: Re: PCI device not working MIME-Version: 1.0 Content-Type: text/plain;charset="UTF-8" Cc: linuxppc-dev@lists.ozlabs.org Reply-To: Davide Viti List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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: >Cc:=20 >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/