From: "Girish Gulawani" <girishvg@yahoo.com>
To: "Geert Uytterhoeven" <geert@linux-m68k.org>
Cc: "MIPS/Linux List \(SGI\)" <linux-mips@oss.sgi.com>
Subject: Re: PCI VGA Card Initilization (SIS6326 / PT80)
Date: Tue, 19 Mar 2002 08:46:36 +0900 [thread overview]
Message-ID: <005101c1ced7$262a9560$b8900dd3@gol.com> (raw)
In-Reply-To: Pine.GSO.4.21.0203181617040.5561-100000@vervain.sonytel.be
> > 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?
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WARNING: multiple messages have this Message-ID (diff)
From: "Girish Gulawani" <girishvg@yahoo.com>
To: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: "MIPS/Linux List (SGI)" <linux-mips@oss.sgi.com>
Subject: Re: PCI VGA Card Initilization (SIS6326 / PT80)
Date: Tue, 19 Mar 2002 08:46:36 +0900 [thread overview]
Message-ID: <005101c1ced7$262a9560$b8900dd3@gol.com> (raw)
Message-ID: <20020318234636.SuThTeS-CB6d6S_TY-ua8JxHg1ExwK4g3HHhqISoNjg@z> (raw)
In-Reply-To: Pine.GSO.4.21.0203181617040.5561-100000@vervain.sonytel.be
> > 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
next prev parent reply other threads:[~2002-03-18 23:43 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-03-18 15:15 PCI VGA Card Initilization (SIS6326 / PT80) Girish Gulawani
2002-03-18 15:15 ` Girish Gulawani
2002-03-18 15:19 ` Geert Uytterhoeven
2002-03-18 23:46 ` Girish Gulawani [this message]
2002-03-18 23:46 ` Girish Gulawani
2002-03-19 10:10 ` Geert Uytterhoeven
-- strict thread matches above, loose matches on Subject: below --
2002-03-20 14:15 Girish Gulawani
2002-03-20 14:15 ` Girish Gulawani
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