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

[Lad, Prabhakar]

On Thu, Sep 8, 2022 at 1:00 PM <Conor.Dooley at microchip.com> 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 at microchip.com <Conor.Dooley at microchip.com>
> >>> Sent: 08 September 2022 00:38
> >>> To: atishp at atishpatra.org
> >>> Cc: Prabhakar Mahadev Lad <prabhakar.mahadev-lad.rj at bp.renesas.com>;
> >>> paul.walmsley at sifive.com; palmer at dabbelt.com; aou at eecs.berkeley.edu;
> >>> atishp at rivosinc.com; apatel at ventanamicro.com; geert+renesas at glider.be;
> >>> linux-riscv at lists.infradead.org; linux-renesas-soc at vger.kernel.org;
> >>> linux-kernel at vger.kernel.org; prabhakar.csengg at gmail.com; Biju Das
> >>> <biju.das.jz at bp.renesas.com>
> >>> 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 at microchip.com
> >>>> <mailto:Conor.Dooley at microchip.com>> 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@lst.de/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