linux-kernel - [RFT PATCH v3 17/27] arm64: Kconfig: Introduce CONFIG_ARCH

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Message-Id: <20210304213902.83903-18-marcan@marcan.st>
Date:   Fri,  5 Mar 2021 06:38:52 +0900
From:   Hector Martin <marcan@...can.st>
To:     linux-arm-kernel@...ts.infradead.org
Cc:     Hector Martin <marcan@...can.st>, Marc Zyngier <maz@...nel.org>,
        Rob Herring <robh@...nel.org>, Arnd Bergmann <arnd@...nel.org>,
        Olof Johansson <olof@...om.net>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Mark Kettenis <mark.kettenis@...all.nl>,
        Tony Lindgren <tony@...mide.com>,
        Mohamed Mediouni <mohamed.mediouni@...amail.com>,
        Stan Skowronek <stan@...ellium.com>,
        Alexander Graf <graf@...zon.com>,
        Will Deacon <will@...nel.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Mark Rutland <mark.rutland@....com>,
        Andy Shevchenko <andy.shevchenko@...il.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jonathan Corbet <corbet@....net>,
        Catalin Marinas <catalin.marinas@....com>,
        Christoph Hellwig <hch@...radead.org>,
        "David S. Miller" <davem@...emloft.net>,
        devicetree@...r.kernel.org, linux-serial@...r.kernel.org,
        linux-doc@...r.kernel.org, linux-samsung-soc@...r.kernel.org,
        linux-arch@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [RFT PATCH v3 17/27] arm64: Kconfig: Introduce CONFIG_ARCH_APPLE

This adds a Kconfig option to toggle support for Apple ARM SoCs.
At this time this targets the M1 and later "Apple Silicon" Mac SoCs.

Signed-off-by: Hector Martin <marcan@...can.st>
---
 arch/arm64/Kconfig.platforms | 8 ++++++++
 arch/arm64/configs/defconfig | 1 +
 2 files changed, 9 insertions(+)

diff --git a/arch/arm64/Kconfig.platforms b/arch/arm64/Kconfig.platforms
index cdfd5fed457f..c2b5791e3d69 100644
--- a/arch/arm64/Kconfig.platforms
+++ b/arch/arm64/Kconfig.platforms
@@ -36,6 +36,14 @@ config ARCH_ALPINE
 	  This enables support for the Annapurna Labs Alpine
 	  Soc family.
 
+config ARCH_APPLE
+	bool "Apple Silicon SoC family"
+	select APPLE_AIC
+	select ARM64_FIQ_SUPPORT
+	help
+	  This enables support for Apple's in-house ARM SoC family, starting
+	  with the Apple M1.
+
 config ARCH_BCM2835
 	bool "Broadcom BCM2835 family"
 	select TIMER_OF
diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
index d612f633b771..54fb257e55f7 100644
--- a/arch/arm64/configs/defconfig
+++ b/arch/arm64/configs/defconfig
@@ -31,6 +31,7 @@ CONFIG_ARCH_ACTIONS=y
 CONFIG_ARCH_AGILEX=y
 CONFIG_ARCH_SUNXI=y
 CONFIG_ARCH_ALPINE=y
+CONFIG_ARCH_APPLE=y
 CONFIG_ARCH_BCM2835=y
 CONFIG_ARCH_BCM4908=y
 CONFIG_ARCH_BCM_IPROC=y
-- 
2.30.0