From: Balbir Singh <bsingharora@gmail.com>
To: Michael Ellerman <mpe@ellerman.id.au>, linuxppc-dev@ozlabs.org
Cc: alistair@popple.id.au
Subject: Re: [PATCH v2] powerpc/powernv: Initialise nest mmu
Date: Mon, 5 Dec 2016 17:32:13 +1100 [thread overview]
Message-ID: <dd699260-28a9-ccf3-3159-c127e819724f@gmail.com> (raw)
In-Reply-To: <1480903162-1986-1-git-send-email-mpe@ellerman.id.au>
On 05/12/16 12:59, Michael Ellerman wrote:
> From: Alistair Popple <alistair@popple.id.au>
>
> POWER9 contains an off core mmu called the nest mmu (NMMU). This is used
> by other hardware units on the chip to translate virtual addresses into
> real addresses. The unit attempting an address translation provides the
> majority of the context required for the translation request except for
> the base address of the partition table (ie. the PTCR) which needs to be
> programmed into the NMMU.
>
> This patch adds a call to OPAL to set the PTCR for the nest mmu in
> opal_init().
>
> Signed-off-by: Alistair Popple <alistair@popple.id.au>
> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
> ---
Reviewed-by: Balbir Singh <bsingharora@gmail.com>
next prev parent reply other threads:[~2016-12-05 6:32 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-12-05 1:59 [PATCH v2] powerpc/powernv: Initialise nest mmu Michael Ellerman
2016-12-05 6:32 ` Balbir Singh [this message]
2016-12-05 7:23 ` Aneesh Kumar K.V
-- strict thread matches above, loose matches on Subject: below --
2016-12-02 5:29 Alistair Popple
2016-12-02 9:24 ` Michael Ellerman
2016-12-03 0:08 ` Alistair Popple
2016-12-03 1:33 ` Tyrel Datwyler
2016-12-02 11:04 ` Balbir Singh
2016-12-03 10:56 ` Michael Ellerman
2016-12-03 11:40 ` Michael Ellerman
2016-12-05 0:02 ` Alistair Popple
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