From 186de8a8fa860b44c528711d295fe3f32952074b Mon Sep 17 00:00:00 2001 From: Hai Pham Date: Mon, 27 Oct 2025 18:22:55 +0100 Subject: [PATCH] arm64: renesas: Extend stub PSCI implementation to R-Car Gen5 Extend the stub PSCI implementation with support for R-Car Gen5. R-Car Gen5 uses different register to perform reset, therefore add a compile-time conditional. This is __secure code, therefore the runtime SoC detection parts are not available to it, hence the compile time conditional. Signed-off-by: Hai Pham Signed-off-by: Marek Vasut # Tweak commit message --- arch/arm/mach-renesas/psci-rcar64.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/arm/mach-renesas/psci-rcar64.c b/arch/arm/mach-renesas/psci-rcar64.c index 459dd55ff45..22c2ee045cc 100644 --- a/arch/arm/mach-renesas/psci-rcar64.c +++ b/arch/arm/mach-renesas/psci-rcar64.c @@ -32,7 +32,12 @@ u32 __secure psci_version(void) void __secure __noreturn psci_system_reset(void) { +#if defined(CONFIG_RCAR_GEN5) + writel(RST_KCPROT_DIS, RST_RESKCPROT0); + writel(0x1, RST_SWSRES1A); +#else writel(RST_SPRES, RST_SRESCR0); +#endif while (1) ; -- 2.47.3