Re: [RFC PATCH 1/2] riscv: vendors: andes: Add support to configure the PMA regions

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On Thu, Sep 8, 2022 at 1:00 PM <Conor.Dooley@xxxxxxxxxxxxx> wrote:
>
> On 08/09/2022 12:50, Lad, Prabhakar wrote:
> > EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
> >
> > Hi Guo,
> >
> >>> -----Original Message-----
> >>> From: Conor.Dooley@xxxxxxxxxxxxx <Conor.Dooley@xxxxxxxxxxxxx>
> >>> Sent: 08 September 2022 00:38
> >>> To: atishp@xxxxxxxxxxxxxx
> >>> Cc: Prabhakar Mahadev Lad <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>;
> >>> paul.walmsley@xxxxxxxxxx; palmer@xxxxxxxxxxx; aou@xxxxxxxxxxxxxxxxx;
> >>> atishp@xxxxxxxxxxxx; apatel@xxxxxxxxxxxxxxxx; geert+renesas@xxxxxxxxx;
> >>> linux-riscv@xxxxxxxxxxxxxxxxxxx; linux-renesas-soc@xxxxxxxxxxxxxxx;
> >>> linux-kernel@xxxxxxxxxxxxxxx; prabhakar.csengg@xxxxxxxxx; Biju Das
> >>> <biju.das.jz@xxxxxxxxxxxxxx>
> >>> Subject: Re: [RFC PATCH 1/2] riscv: vendors: andes: Add support to
> >>> configure the PMA regions
> >>>
> >>> On 07/09/2022 22:52, Atish Patra wrote:
> >>>> EXTERNAL EMAIL: Do not click links or open attachments unless you know
> >>>> the content is safe
> >>>>
> >>>>
> >>>> On Tue, Sep 6, 2022 at 3:40 AM <Conor.Dooley@xxxxxxxxxxxxx
> >>>> <mailto:Conor.Dooley@xxxxxxxxxxxxx>> wrote:
> >>>>
> >>>> On 06/09/2022 11:21, Lad Prabhakar wrote:
> >>>>
> >>>>> diff --git a/arch/riscv/include/asm/sbi.h
> >>>>> b/arch/riscv/include/asm/sbi.h index 2a0ef738695e..10a7c855d125
> >>>>> 100644 --- a/arch/riscv/include/asm/sbi.h +++
> >>>>> b/arch/riscv/include/asm/sbi.h @@ -37,6 +37,7 @@ enum sbi_ext_id {
> >>>>>
> >>>>> /* Vendor extensions must lie within this range */
> >>>>> SBI_EXT_VENDOR_START = 0x09000000, +       SBI_EXT_ANDES =
> >>>>> 0x0900031E, SBI_EXT_VENDOR_END = 0x09FFFFFF, };
> >>>>
> > I am interested to know what is the status of your patch series [0].
> >
> > [0] https://lore.kernel.org/lkml/20210606143848.GA5983@xxxxxx/T/#m7f4c4cdfb92d6c8672bbfabebda729ce4700e177
>
> Heh, take a look at:
> git grep "ERRATA_THEAD*"
>
> This is all can-of-worms territory that we are heading to here, as
> the Zicbo* extensions is what is meant to be doing these sorts of
> things..
>
Aha thanks for the pointer.

Cheers,
Prabhakar



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