From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mrqout1.tiscali.it (mrqout1-sorbs.tiscali.it [195.130.225.22]) by ozlabs.org (Postfix) with ESMTP id 5B8102C00C4 for ; Sat, 29 Sep 2012 00:49:21 +1000 (EST) Message-ID: <16335311.74971348843734905.JavaMail.defaultUser@defaultHost> Date: Fri, 28 Sep 2012 16:48:54 +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 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 increas= es=20 from [1] to [3] [1] PCI printouts when the board come up [2] output of "pci=20 [0-3] long" u-boot command [3] same as [1] but with debug print inside=20 indirect_read_config_##size() [drivers/pci/pci_indirect.c] if 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 alot, Davide ************* * [1] * ************* PCIE1 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 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 ************* * [2] * ************* =3D> pci 0 long Scanning PCI devices=20 on bus 0 Found PCI device 00.00.00: vendor ID =3D 0x1957 =20 device 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 =3D =20 0x20 programming interface =3D 0x00 cache line =3D 0x08 latency time =3D 0x00 header type =3D 0x01 =20 BIST =3D 0x00 base address 0 =3D 0xfff00000 =20 base address 1 =3D 0x00000000 primary bus number =3D 0x00 =20 secondary bus number =3D 0x01 subordinate bus number =3D 0x01 =20 secondary latency timer =3D 0x00 IO base =3D 0x00 IO=20 limit =3D 0x00 secondary status =3D 0x0000 memory=20 base =3D 0xa000 memory limit =3D 0xa000 prefetch=20 memory base =3D 0x1001 prefetch memory limit =3D 0x0001 prefetch=20 memory base upper =3D 0x00000000 prefetch memory limit upper =3D 0x00000000 IO=20 base upper 16 bits =3D 0x0000 IO limit upper 16 bits =3D 0x0000 =20 expansion ROM base address =3D 0x00000000 interrupt line =3D 0x00 =20 interrupt pin =3D 0x00 bridge control =3D 0x0000 =3D>=20 pci 1 long Scanning PCI devices on bus 1 Found PCI device 01.00.00:kk vendor=20 ID =3D 0x1b65 device ID =3D 0xabba command=20 register =3D 0x0006 status register =3D 0x0010 revision=20 ID =3D 0x01 class code =3D 0x02 (Network=20 controller) sub class code =3D 0x80 programming 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 base=20 address 1 =3D 0xa0010000 base address 2 =3D 0x00000000 base address 3 =3D 0x00000000 base address 4 =3D =20 0x00000000 base address 5 =3D 0x00000000 cardBus CIS pointer=20 =3D 0x00000000 sub system vendor ID =3D 0x0000 sub system ID=20 =3D 0x0000 expansion ROM base address =3D 0x00000000 interrupt=20 line =3D 0x00 interrupt pin =3D 0x01 min Grant=20 =3D 0x00 max Latency =3D 0x00 =3D> pci 2 long Scanning PCI devices on bus 2 Found PCI device 02.00.00: vendor ID=20 =3D 0x1957 device ID =3D 0x0100 command=20 register =3D 0x0006 status register =3D 0x0010 revision=20 ID =3D 0x11 class code =3D 0x0b (Processor) =20 sub class code =3D 0x20 programming interface =3D 0x00 cache=20 line =3D 0x08 latency time =3D 0x00 header type=20 =3D 0x01 BIST =3D 0x00 base address 0=20 =3D 0xfff00000 base address 1 =3D 0x00000000 primary=20 bus number =3D 0x00 secondary bus number =3D 0x01 subordinate=20 bus number =3D 0x01 secondary latency timer =3D 0x00 IO base=20 =3D 0x00 IO limit =3D 0x00 secondary=20 status =3D 0x0000 memory base =3D 0xb000 memory=20 limit =3D 0xb000 prefetch memory base =3D 0x1001 prefetch=20 memory limit =3D 0x0001 prefetch memory base upper =3D 0x00000000 =20 prefetch memory limit upper =3D 0x00000000 IO base upper 16 bits =3D 0x0000 IO limit upper 16 bits =3D 0x0000 expansion ROM base address =3D =20 0x00000000 interrupt line =3D 0x00 interrupt pin =3D =20 0x00 bridge control =3D 0x0000 =3D> pci 3 long Scanning PCI devices=20 on bus 3 Found PCI device 03.00.00: vendor ID =3D 0x1b65 =20 device ID =3D 0xabba command register =3D 0x0006 =20 status register =3D 0x0010 revision ID =3D 0x01 =20 class code =3D 0x02 (Network controller) sub class code=20 =3D 0x80 programming interface =3D 0x00 cache line=20 =3D 0x08 latency time =3D 0x00 header type=20 =3D 0x00 BIST =3D 0x00 base address 0=20 =3D 0xb0000000 base address 1 =3D 0xb0010000 base=20 address 2 =3D 0x00000000 base address 3 =3D 0x00000000 base address 4 =3D 0x00000000 base address 5 =3D =20 0x00000000 cardBus CIS pointer =3D 0x00000000 sub system vendor ID=20 =3D 0x0000 sub system ID =3D 0x0000 expansion ROM base=20 address =3D 0x00000000 interrupt line =3D 0x00 interrupt pin=20 =3D 0x01 min Grant =3D 0x00 max Latency=20 =3D 0x00 ************* * [3] * ************* PCIE1=20 used as Root Complex (base addr ffe09000) b=3D0 d=3D0 f=3D0 (fbusno=3D0 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 cfg_adr=3Dffe09000 cfg_data=3Dffe09= 004)=20 ofs=3De mask=3D3 ... b=3D1 d=3D0 f=3D0 (fbusno=3D0 itype=3D0 cfg_adr=3Dffe09000=20 cfg_data=3Dffe09004) ofs=3D3c mask=3D3 01 00 1b65 abba 0280 00 b=3D1 d=3D1=20 f=3D0 (fbusno=3D0 itype=3D0 cfg_adr=3Dffe09000 cfg_data=3Dffe09004) ofs=3De= mask=3D3 b=3D1 d=3D1=20 f=3D0 (fbusno=3D0 itype=3D0 cfg_adr=3Dffe09000 cfg_data=3Dffe09004) ofs=3D0= mask=3D2 ... b=3D0=20 d=3D0 f=3D0 (fbusno=3D0 itype=3D0 cfg_adr=3Dffe09000 cfg_data=3Dffe09004) o= fs=3D9 mask=3D3 =20 PCIE1 on bus 00 - 01 PCIE2 used as Root Complex (base addr ffe0a000) b=3D0=20 d=3D0 f=3D0 (fbusno=3D2 itype=3D0 cfg_adr=3Dffe0a000 cfg_data=3Dffe0a004) o= fs=3D10 mask=3D0 b=3D0=20 d=3D0 f=3D0 (fbusno=3D2 itype=3D0 cfg_adr=3Dffe0a000 cfg_data=3Dffe0a004) o= fs=3D10 mask=3D0 ... b=3D0 d=3D0 f=3D0 (fbusno=3D2 itype=3D0 cfg_adr=3Dffe0a000 cfg_data=3Dffe0a= 004) 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 itype=3D0=20 cfg_adr=3Dffe0a000 cfg_data=3Dffe0a004) ofs=3D0 mask=3D2 ... b=3D1 d=3D0 f=3D0 (fbusno=3D2=20 itype=3D0 cfg_adr=3Dffe0a000 cfg_data=3Dffe0a004) ofs=3D3c mask=3D3 03 00 1b65 =20 abba 0280 00 cfg_addr:ffe0a000 cfg_data:ffe0a004 indirect_type:0 b=3D1 d=3D1 f=3D0 (fbusno=3D2 itype=3D0 cfg_adr=3Dffe0a000 cfg_data=3Dffe0a= 004) ofs=3De mask=3D3 ... b=3D0 d=3D0 f=3D0 (fbusno=3D2 itype=3D0 cfg_adr=3Dffe0a000 cfg_data=3Dffe0a= 004) 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 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/