[PATCH v1 2/2] arm: npcm: Enable L2 Cache in NPCM7xx

[Tomer Maimon]

On 16 March 2018 at 07:52, Brendan Higgins <brendanhiggins at google.com>
wrote:

> On Thu, Mar 15, 2018 at 4:16 PM Tomer Maimon <tmaimon77 at gmail.com> wrote:
>
> > Enable L2 Cache in Nuvoton NPCM7xx BMC.
>
> > Signed-off-by: Tomer Maimon <tmaimon77 at gmail.com>
> > ---
> >   arch/arm/mach-npcm/npcm7xx.c | 2 ++
> >   1 file changed, 2 insertions(+)
>
> > diff --git a/arch/arm/mach-npcm/npcm7xx.c b/arch/arm/mach-npcm/npcm7xx.c
> > index 5f7cd88103ef..c5f77d854c4f 100644
> > --- a/arch/arm/mach-npcm/npcm7xx.c
> > +++ b/arch/arm/mach-npcm/npcm7xx.c
> > @@ -17,4 +17,6 @@ static const char *const npcm7xx_dt_match[] = {
> >   DT_MACHINE_START(NPCM7XX_DT, "NPCM7XX Chip family")
> >          .atag_offset    = 0x100,
> >          .dt_compat      = npcm7xx_dt_match,
> > +       .l2c_aux_val    = 0x0,
> > +       .l2c_aux_mask   = ~0x0,
>
> You need to limit this to the specific bit(s) you want to set and verify
> that
> the l2c driver does not already manage that bit appropriately and that it
> can
> not be specified via the dtsi.
>

Do you mean that I need to specify it the same as been done in V7?
because when I run with the above l2c_aux_val and  l2c_aux_mask parameters
I get the same result.

Also if I am not adding the l2c_aux_val and  l2c_aux_mask parameters to
the  DT_MACHINE_START
the L2C cache does not initialize.

>
> We discussed this a little while ago with Rob here:
> https://www.spinics.net/lists/arm-kernel/msg613372.html


Sorry in this link I see only Russel king comment regarding the L2C

>
>
> >   MACHINE_END
> > --
> > 2.14.1
>
>
> Cheers
>

Cheers
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