t; Thanks and regards,
> -hiren
>
> > -Original Message-
> > From: Jeff Garzik [mailto:[EMAIL PROTECTED]]
> > Sent: Wednesday, November 08, 2000 2:53 PM
> > To: MEHTA,HIREN (A-SanJose,ex1)
> > Cc: '[EMAIL PROTECTED]'
> > Subject: Re: accessing on-card ram/
You need ioremap(), etc. Paging is enabled, you need ioremap() to
create a page-table entry (PTE).
Cheers,
Dick Johnson
Penguin : Linux version 2.4.0 on an i686 machine (799.54 BogoMips).
"Memory is like gasoline. You use it up when you are running. Of
course you get it all back when you
You need ioremap(), etc. Paging is enabled, you need ioremap() to
create a page-table entry (PTE).
Cheers,
Dick Johnson
Penguin : Linux version 2.4.0 on an i686 machine (799.54 BogoMips).
"Memory is like gasoline. You use it up when you are running. Of
course you get it all back when you
s,
-hiren
-Original Message-
From: Jeff Garzik [mailto:[EMAIL PROTECTED]]
Sent: Wednesday, November 08, 2000 2:53 PM
To: MEHTA,HIREN (A-SanJose,ex1)
Cc: '[EMAIL PROTECTED]'
Subject: Re: accessing on-card ram/rom
"MEHTA,HIREN (A-SanJose,ex1)" wrote:
I have a PCI card which
[EMAIL PROTECTED] wrote:
> I looked at the IO-mapping.txt file. It says that
> on x86 architecture it should not make any difference.
> It also says that "on x86 it _is_ the same memory space. So
> on x86 it actually works to just dereference a pointer".
> Any inputs on this ?
Don't depend on
ginal Message-
> From: Jeff Garzik [mailto:[EMAIL PROTECTED]]
> Sent: Wednesday, November 08, 2000 2:53 PM
> To: MEHTA,HIREN (A-SanJose,ex1)
> Cc: '[EMAIL PROTECTED]'
> Subject: Re: accessing on-card ram/rom
>
>
> "MEHTA,HIREN (A-SanJose,ex1)" wrote:
> &
"MEHTA,HIREN (A-SanJose,ex1)" wrote:
> I have a PCI card which has on-card ram/rom which gets mapped
> into pci address space and there is a separate base register
> for this memory. Now the question is : can I access this on-card
> memory by converting the pci base address into the virtual
Hi All,
I have a PCI card which has on-card ram/rom which gets mapped
into pci address space and there is a separate base register
for this memory. Now the question is : can I access this on-card
memory by converting the pci base address into the virtual address
using bus_to_virt and adding the
Hi All,
I have a PCI card which has on-card ram/rom which gets mapped
into pci address space and there is a separate base register
for this memory. Now the question is : can I access this on-card
memory by converting the pci base address into the virtual address
using bus_to_virt and adding the
"MEHTA,HIREN (A-SanJose,ex1)" wrote:
I have a PCI card which has on-card ram/rom which gets mapped
into pci address space and there is a separate base register
for this memory. Now the question is : can I access this on-card
memory by converting the pci base address into the virtual address
al Message-
From: Jeff Garzik [mailto:[EMAIL PROTECTED]]
Sent: Wednesday, November 08, 2000 2:53 PM
To: MEHTA,HIREN (A-SanJose,ex1)
Cc: '[EMAIL PROTECTED]'
Subject: Re: accessing on-card ram/rom
"MEHTA,HIREN (A-SanJose,ex1)" wrote:
I have a PCI card which has on-card ram/r
[EMAIL PROTECTED] wrote:
I looked at the IO-mapping.txt file. It says that
on x86 architecture it should not make any difference.
It also says that "on x86 it _is_ the same memory space. So
on x86 it actually works to just dereference a pointer".
Any inputs on this ?
Don't depend on
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