On Wednesday 09 July 2014 07:45 PM, Santosh Shilimkar wrote:
> On Wednesday 09 July 2014 08:39 AM, Russell King - ARM Linux wrote:
>> On Wed, Jul 09, 2014 at 05:56:37PM +0530, Sekhar Nori wrote:
>>> On Wednesday 09 July 2014 02:55 PM, Tony Lindgren wrote:
I guess no more comments. Took a look
On Wednesday 09 July 2014 07:25 PM, Felipe Balbi wrote:
> On Wed, Jul 09, 2014 at 05:56:37PM +0530, Sekhar Nori wrote:
>> On Wednesday 09 July 2014 02:55 PM, Tony Lindgren wrote:
>>> * Tony Lindgren [140708 01:32]:
* Sekhar Nori [140707 21:56]:
> On Monday 07 July 2014 08:40 PM, Felipe B
On Wednesday 09 July 2014 08:39 AM, Russell King - ARM Linux wrote:
> On Wed, Jul 09, 2014 at 05:56:37PM +0530, Sekhar Nori wrote:
>> On Wednesday 09 July 2014 02:55 PM, Tony Lindgren wrote:
>>> I guess no more comments. Took a look at the patch again, Sekhar, can
>>> you please update the descript
On Monday 07 July 2014 09:40 AM, Russell King - ARM Linux wrote:
> On Mon, Jul 07, 2014 at 05:39:26AM -0700, Tony Lindgren wrote:
>> * Russell King - ARM Linux [140707 05:17]:
>>> On Mon, Jul 07, 2014 at 05:20:27PM +0530, Sekhar Nori wrote:
OMAP4430 had L2 cache controller version r2p0 (per t
On Wed, Jul 09, 2014 at 05:56:37PM +0530, Sekhar Nori wrote:
> On Wednesday 09 July 2014 02:55 PM, Tony Lindgren wrote:
> > * Tony Lindgren [140708 01:32]:
> >> * Sekhar Nori [140707 21:56]:
> >>> On Monday 07 July 2014 08:40 PM, Felipe Balbi wrote:
> On Mon, Jul 07, 2014 at 02:40:08PM +0100
On Wed, Jul 09, 2014 at 02:25:31AM -0700, Tony Lindgren wrote:
> * Tony Lindgren [140708 01:32]:
> > * Sekhar Nori [140707 21:56]:
> > > On Monday 07 July 2014 08:40 PM, Felipe Balbi wrote:
> > > > On Mon, Jul 07, 2014 at 02:40:08PM +0100, Russell King - ARM Linux
> > > > wrote:
> > > >> --- a/a
On Wed, Jul 09, 2014 at 05:56:37PM +0530, Sekhar Nori wrote:
> On Wednesday 09 July 2014 02:55 PM, Tony Lindgren wrote:
> > I guess no more comments. Took a look at the patch again, Sekhar, can
> > you please update the description with what has been discovered in this
> > thread and repost?
>
> H
* Sekhar Nori [140709 05:28]:
> On Wednesday 09 July 2014 02:55 PM, Tony Lindgren wrote:
> > * Tony Lindgren [140708 01:32]:
> >> * Sekhar Nori [140707 21:56]:
> >>> On Monday 07 July 2014 08:40 PM, Felipe Balbi wrote:
> On Mon, Jul 07, 2014 at 02:40:08PM +0100, Russell King - ARM Linux wro
On Wednesday 09 July 2014 02:55 PM, Tony Lindgren wrote:
> * Tony Lindgren [140708 01:32]:
>> * Sekhar Nori [140707 21:56]:
>>> On Monday 07 July 2014 08:40 PM, Felipe Balbi wrote:
On Mon, Jul 07, 2014 at 02:40:08PM +0100, Russell King - ARM Linux wrote:
> --- a/arch/arm/mm/cache-l2x0.c
* Tony Lindgren [140708 01:32]:
> * Sekhar Nori [140707 21:56]:
> > On Monday 07 July 2014 08:40 PM, Felipe Balbi wrote:
> > > On Mon, Jul 07, 2014 at 02:40:08PM +0100, Russell King - ARM Linux wrote:
> > >> --- a/arch/arm/mm/cache-l2x0.c
> > >> +++ b/arch/arm/mm/cache-l2x0.c
> > >> @@ -732,7 +73
* Sekhar Nori [140707 21:56]:
> On Monday 07 July 2014 08:40 PM, Felipe Balbi wrote:
> > On Mon, Jul 07, 2014 at 02:40:08PM +0100, Russell King - ARM Linux wrote:
> >> --- a/arch/arm/mm/cache-l2x0.c
> >> +++ b/arch/arm/mm/cache-l2x0.c
> >> @@ -732,7 +732,7 @@ static int l2c310_cpu_enable_flz(struc
On Monday 07 July 2014 08:40 PM, Felipe Balbi wrote:
> Hi,
>
> On Mon, Jul 07, 2014 at 02:40:08PM +0100, Russell King - ARM Linux wrote:
>> On Mon, Jul 07, 2014 at 05:39:26AM -0700, Tony Lindgren wrote:
>>> * Russell King - ARM Linux [140707 05:17]:
On Mon, Jul 07, 2014 at 05:20:27PM +0530,
Hi,
On Mon, Jul 07, 2014 at 02:40:08PM +0100, Russell King - ARM Linux wrote:
> On Mon, Jul 07, 2014 at 05:39:26AM -0700, Tony Lindgren wrote:
> > * Russell King - ARM Linux [140707 05:17]:
> > > On Mon, Jul 07, 2014 at 05:20:27PM +0530, Sekhar Nori wrote:
> > > > OMAP4430 had L2 cache controller
On Mon, Jul 07, 2014 at 05:39:26AM -0700, Tony Lindgren wrote:
> * Russell King - ARM Linux [140707 05:17]:
> > On Mon, Jul 07, 2014 at 05:20:27PM +0530, Sekhar Nori wrote:
> > > OMAP4430 had L2 cache controller version r2p0 (per the public TRM) which
> > > does not have this register. So unless t
* Russell King - ARM Linux [140707 05:17]:
> On Mon, Jul 07, 2014 at 05:20:27PM +0530, Sekhar Nori wrote:
> > OMAP4430 had L2 cache controller version r2p0 (per the public TRM) which
> > does not have this register. So unless there is a ROM API that was
> > introduced after OMAP4430, this would no
On Mon, Jul 07, 2014 at 05:20:27PM +0530, Sekhar Nori wrote:
> OMAP4430 had L2 cache controller version r2p0 (per the public TRM) which
> does not have this register. So unless there is a ROM API that was
> introduced after OMAP4430, this would not be there even for other
> OMAP4s. Public TRM of OM
On Monday 07 July 2014 04:32 PM, Tony Lindgren wrote:
> * Russell King - ARM Linux [140707 03:51]:
>> On Mon, Jul 07, 2014 at 03:47:27AM -0700, Tony Lindgren wrote:
>>> That's now merged into v3.16-rc4, so applying this into
>>> omap-for-v3.16/fixes.
>>
>> I intentionally left the warning in the h
* Russell King - ARM Linux [140707 03:51]:
> On Mon, Jul 07, 2014 at 03:47:27AM -0700, Tony Lindgren wrote:
> > That's now merged into v3.16-rc4, so applying this into
> > omap-for-v3.16/fixes.
>
> I intentionally left the warning in the hope that someone would update
> it to write to the registe
On Mon, Jul 07, 2014 at 03:47:27AM -0700, Tony Lindgren wrote:
> That's now merged into v3.16-rc4, so applying this into
> omap-for-v3.16/fixes.
I intentionally left the warning in the hope that someone would update
it to write to the register.
>From the comments in the patch, it seems that firmw
* Tony Lindgren [140702 01:13]:
> * Felipe Balbi [140701 12:49]:
> > On Tue, Jun 17, 2014 at 08:19:35AM -0500, Felipe Balbi wrote:
> > > On Tue, Jun 17, 2014 at 04:04:51PM +0530, Sekhar Nori wrote:
> > > > ROM code on AM437x does not support writing to L2C-310 power control
> > > > register. The
* Felipe Balbi [140701 12:49]:
> On Tue, Jun 17, 2014 at 08:19:35AM -0500, Felipe Balbi wrote:
> > On Tue, Jun 17, 2014 at 04:04:51PM +0530, Sekhar Nori wrote:
> > > ROM code on AM437x does not support writing to L2C-310 power control
> > > register. The L2C driver, however, tries writing to this
On Tue, Jun 17, 2014 at 08:19:35AM -0500, Felipe Balbi wrote:
> On Tue, Jun 17, 2014 at 04:04:51PM +0530, Sekhar Nori wrote:
> > ROM code on AM437x does not support writing to L2C-310 power control
> > register. The L2C driver, however, tries writing to this register for
> > all revisions >= r3p0.
On Tue, Jun 17, 2014 at 04:04:51PM +0530, Sekhar Nori wrote:
> ROM code on AM437x does not support writing to L2C-310 power control
> register. The L2C driver, however, tries writing to this register for
> all revisions >= r3p0.
>
> This leads to a warning dump on boot which leads most users to be
ROM code on AM437x does not support writing to L2C-310 power control
register. The L2C driver, however, tries writing to this register for
all revisions >= r3p0.
This leads to a warning dump on boot which leads most users to believe
that L2 cache is non-functional.
Since the problem is understood
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