From mboxrd@z Thu Jan 1 00:00:00 1970 Received: (from majordomo@localhost) by oss.sgi.com (8.11.2/8.11.3) id g2INh6813351 for linux-mips-outgoing; Mon, 18 Mar 2002 15:43:06 -0800 Received: from smtp017.mail.yahoo.com (smtp017.mail.yahoo.com [216.136.174.114]) by oss.sgi.com (8.11.2/8.11.3) with SMTP id g2INh2913348 for ; Mon, 18 Mar 2002 15:43:02 -0800 Received: from girishvg (AUTH login) at e144184.ppp.asahi-net.or.jp (HELO nazneen) (girishvg@211.13.144.184) by smtp.mail.vip.sc5.yahoo.com with SMTP; 18 Mar 2002 23:44:30 -0000 Message-ID: <005101c1ced7$262a9560$b8900dd3@gol.com> From: "Girish Gulawani" To: "Geert Uytterhoeven" Cc: "MIPS/Linux List \(SGI\)" References: Subject: Re: PCI VGA Card Initilization (SIS6326 / PT80) Date: Tue, 19 Mar 2002 08:46:36 +0900 MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4133.2400 X-MimeOLE: Produced By Microsoft MimeOLE V5.50.4133.2400 Sender: owner-linux-mips@oss.sgi.com Precedence: bulk > > i have a PCI/VGA card PT80 with SIS6326 chipset. i am using MILO BIOS source > > code. but i am not able to access the internal buffer which is typically at > > 0xA0000. even the BIOS ROM (0xC0000) read fails to show default value > > 0xA5A5. the expansion ROM is enabled in PCI by setting D0 bit to 1. however > > IO seems okay because the monitor actually switches from power down mode to > > normal mode. i have tried using both vgaraw1.c and vgaraw2.c files, but no > > success. could anybody help me to solve this problem. > > many thanks. > > Are you using isa_readb() and friends to access ISA memory space? > Did you set up isa_slot_offset correctly with the start address of ISA memory > space on your MIPS box? no i am not using isa_readb() etc. infact i am accessing this area 0xA_0000 as Memory/IO in memory mode. i have seen the pci bus transactions, its generating memory read and memory write commands. but due to some reason that is still *unknown* to me generates master abort. i always get master received master abort. could you tell me what could be the reason? _________________________________________________________ Do You Yahoo!? Get your free @yahoo.com address at http://mail.yahoo.com From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <005101c1ced7$262a9560$b8900dd3@gol.com> From: "Girish Gulawani" References: Subject: Re: PCI VGA Card Initilization (SIS6326 / PT80) Date: Tue, 19 Mar 2002 08:46:36 +0900 MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Sender: owner-linux-mips@oss.sgi.com To: Geert Uytterhoeven Cc: "MIPS/Linux List (SGI)" Message-ID: <20020318234636.SuThTeS-CB6d6S_TY-ua8JxHg1ExwK4g3HHhqISoNjg@z> > > i have a PCI/VGA card PT80 with SIS6326 chipset. i am using MILO BIOS source > > code. but i am not able to access the internal buffer which is typically at > > 0xA0000. even the BIOS ROM (0xC0000) read fails to show default value > > 0xA5A5. the expansion ROM is enabled in PCI by setting D0 bit to 1. however > > IO seems okay because the monitor actually switches from power down mode to > > normal mode. i have tried using both vgaraw1.c and vgaraw2.c files, but no > > success. could anybody help me to solve this problem. > > many thanks. > > Are you using isa_readb() and friends to access ISA memory space? > Did you set up isa_slot_offset correctly with the start address of ISA memory > space on your MIPS box? no i am not using isa_readb() etc. infact i am accessing this area 0xA_0000 as Memory/IO in memory mode. i have seen the pci bus transactions, its generating memory read and memory write commands. but due to some reason that is still *unknown* to me generates master abort. i always get master received master abort. could you tell me what could be the reason? _________________________________________________________ Do You Yahoo!? Get your free @yahoo.com address at http://mail.yahoo.com