linux-kernel - [PATCH 08/11] ARM: mediatek: add MT6572 smp bring up code

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Message-Id: <20250620-mt6572-v1-8-e2d47820f042@proton.me>
Date: Fri, 20 Jun 2025 18:40:47 +0300
From: Max Shevchenko via B4 Relay <devnull+wctrl.proton.me@...nel.org>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, 
 Jiri Slaby <jirislaby@...nel.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, 
 Matthias Brugger <matthias.bgg@...il.com>, 
 AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>, 
 Thomas Gleixner <tglx@...utronix.de>, 
 Daniel Lezcano <daniel.lezcano@...aro.org>, 
 Wim Van Sebroeck <wim@...ux-watchdog.org>, 
 Guenter Roeck <linux@...ck-us.net>, Sean Wang <sean.wang@...iatek.com>, 
 Russell King <linux@...linux.org.uk>
Cc: linux-kernel@...r.kernel.org, linux-serial@...r.kernel.org, 
 devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
 linux-mediatek@...ts.infradead.org, linux-watchdog@...r.kernel.org, 
 Max Shevchenko <wctrl@...ton.me>
Subject: [PATCH 08/11] ARM: mediatek: add MT6572 smp bring up code

From: Max Shevchenko <wctrl@...ton.me>

Add support for booting the secondary CPU on the MT6572 SoC.

Signed-off-by: Max Shevchenko <wctrl@...ton.me>
---
 arch/arm/mach-mediatek/Kconfig   | 4 ++++
 arch/arm/mach-mediatek/platsmp.c | 7 +++++++
 2 files changed, 11 insertions(+)

diff --git a/arch/arm/mach-mediatek/Kconfig b/arch/arm/mach-mediatek/Kconfig
index 35a3430c7942d897106bb32916df78347113798a..638eabad2dd37ee56244fc036cb76af135aee416 100644
--- a/arch/arm/mach-mediatek/Kconfig
+++ b/arch/arm/mach-mediatek/Kconfig
@@ -15,6 +15,10 @@ config MACH_MT2701
 	bool "MediaTek MT2701 SoCs support"
 	default ARCH_MEDIATEK
 
+config MACH_MT6572
+	bool "MediaTek MT6572 SoCs support"
+	default ARCH_MEDIATEK
+
 config MACH_MT6589
 	bool "MediaTek MT6589 SoCs support"
 	default ARCH_MEDIATEK
diff --git a/arch/arm/mach-mediatek/platsmp.c b/arch/arm/mach-mediatek/platsmp.c
index 16a4ee6c959050474c5535ac6a65d92b29482d53..bbd26d423bdef23629ec5ca9d9c61903748988b7 100644
--- a/arch/arm/mach-mediatek/platsmp.c
+++ b/arch/arm/mach-mediatek/platsmp.c
@@ -29,6 +29,12 @@ static const struct mtk_smp_boot_info mtk_mt8135_tz_boot = {
 	{ 0x3f8, 0x3f8, 0x3f8 },
 };
 
+static const struct mtk_smp_boot_info mtk_mt6572_boot = {
+	0x10001400, 0x08,
+	{ 0x534c4131 },
+	{ 0x0c },
+};
+
 static const struct mtk_smp_boot_info mtk_mt6589_boot = {
 	0x10002000, 0x34,
 	{ 0x534c4131, 0x4c415332, 0x41534c33 },
@@ -49,6 +55,7 @@ static const struct of_device_id mtk_tz_smp_boot_infos[] __initconst = {
 };
 
 static const struct of_device_id mtk_smp_boot_infos[] __initconst = {
+	{ .compatible   = "mediatek,mt6572", .data = &mtk_mt6572_boot },
 	{ .compatible   = "mediatek,mt6589", .data = &mtk_mt6589_boot },
 	{ .compatible   = "mediatek,mt7623", .data = &mtk_mt7623_boot },
 	{ .compatible   = "mediatek,mt7629", .data = &mtk_mt7623_boot },

-- 
2.50.0