From: Florian Fainelli <florian.fainelli@broadcom.com>
To: bcm-kernel-feedback-list@broadcom.com,
"Linus Walleij" <linusw@kernel.org>,
"Rob Herring" <robh@kernel.org>,
"Krzysztof Kozlowski" <krzk+dt@kernel.org>,
"Conor Dooley" <conor+dt@kernel.org>,
"Lorenzo Pieralisi" <lpieralisi@kernel.org>,
"Florian Fainelli" <florian.fainelli@broadcom.com>,
"Russell King" <linux@armlinux.org.uk>,
"William Zhang" <william.zhang@broadcom.com>,
"Anand Gore" <anand.gore@broadcom.com>,
"Kursad Oney" <kursad.oney@broadcom.com>,
"Rafał Miłecki" <rafal@milecki.pl>
Cc: Florian Fainelli <f.fainelli@gmail.com>,
devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v5 1/3] dt-bindings: arm: cpus: Add brcm,bca-smp enable method
Date: Tue, 10 Nov 2026 11:07:05 -0800 [thread overview]
Message-ID: <20261110190705.2345733-1-florian.fainelli@broadcom.com> (raw)
In-Reply-To: <20261105-genexis-xg6846-smp-v7-3-rc1-v5-1-4103df2588d3@kernel.org>
From: Florian Fainelli <f.fainelli@gmail.com>
On Thu, 05 Nov 2026 14:24:46 +0100, Linus Walleij <linusw@kernel.org> wrote:
> BCMBCA systems booted through CFE can release a secondary CPU by
> writing its ARM-state entry address to a 32-bit MMIO mailbox and
> sending a wakeup interrupt.
>
> Document brcm,bca-smp and its single-cell cpu-release-addr property.
> Require the mailbox address on CPU1, which CFE leaves in a holding pen.
> CPU0 is already running and does not need a release address. Add a
> Cortex-A7 example with the mailbox address only on CPU1.
>
> Suggested-by: William Zhang <william.zhang@broadcom.com>
> Reviewed-by: William Zhang <william.zhang@broadcom.com>
> Signed-off-by: Linus Walleij <linusw@kernel.org>
> ---
Applied to https://github.com/Broadcom/stblinux/commits/soc/next, thanks!
--
Florian
next prev parent reply other threads:[~2026-11-10 19:07 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-11-05 13:24 [PATCH v5 0/3] ARM: bcm: Enable CFE SMP on BCMBCA Linus Walleij
2026-11-05 13:24 ` [PATCH v5 1/3] dt-bindings: arm: cpus: Add brcm,bca-smp enable method Linus Walleij
2026-11-06 14:25 ` Rob Herring (Arm)
2026-11-10 19:07 ` Florian Fainelli [this message]
2026-11-05 13:24 ` [PATCH v5 2/3] ARM: bcm: Add CFE SMP support for BCMBCA Linus Walleij
2026-11-10 19:07 ` Florian Fainelli
2026-11-05 13:39 ` [PATCH v5 3/3] ARM: dts: broadcom: Use CFE CPU bring-up on the XG6846B Linus Walleij
2026-11-10 19:07 ` Florian Fainelli
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