* Setting Write through mode in linux-2.6.18.2 kernel ( MIPS 24KE)
@ 2007-01-18 2:33 sathesh babu
2007-01-18 12:04 ` Ralf Baechle
0 siblings, 1 reply; 2+ messages in thread
From: sathesh babu @ 2007-01-18 2:33 UTC (permalink / raw)
To: linux-mips
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Hi,
I am porting linux-2.6.18.2 kernel on MIPS 24KE processor.
I would like to configure write through cache mode.
I checked the cache defines ( asm-mips/pgtable-bits.h) .
Only write back mode is defined for MIPS32.
Does the linux-2.6.18.2 kernel ( on MIPS 24KE) have support for write through mode?.
Could you please tell me write through mode is there in linux-2.6.18.2 kernel for MIPS 24KE.
Thanks in advance.
Regards,
Sathesh
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^ permalink raw reply [flat|nested] 2+ messages in thread* Re: Setting Write through mode in linux-2.6.18.2 kernel ( MIPS 24KE)
2007-01-18 2:33 Setting Write through mode in linux-2.6.18.2 kernel ( MIPS 24KE) sathesh babu
@ 2007-01-18 12:04 ` Ralf Baechle
0 siblings, 0 replies; 2+ messages in thread
From: Ralf Baechle @ 2007-01-18 12:04 UTC (permalink / raw)
To: sathesh babu; +Cc: linux-mips
On Thu, Jan 18, 2007 at 02:33:31AM +0000, sathesh babu wrote:
> I am porting linux-2.6.18.2 kernel on MIPS 24KE processor.
Strange, I though we already did that years ago ...
> I would like to configure write through cache mode.
>
> I checked the cache defines ( asm-mips/pgtable-bits.h) .
>
> Only write back mode is defined for MIPS32.
>
> Does the linux-2.6.18.2 kernel ( on MIPS 24KE) have support for write through mode?.
> Could you please tell me write through mode is there in linux-2.6.18.2 kernel for MIPS 24KE.
Just set CONF_CM_DEFAULT to the cache mode of choice.
But why would you want to use a slower cache mode anyway ...
Ralf
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2007-01-18 2:33 Setting Write through mode in linux-2.6.18.2 kernel ( MIPS 24KE) sathesh babu
2007-01-18 12:04 ` Ralf Baechle
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