From ace9429bb58fd418f0c81d4c2835699bddf6bde6 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Thu, 11 Apr 2024 10:27:49 +0200
Subject: Adding upstream version 6.6.15.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 arch/arm/mach-spear/restart.c | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)
 create mode 100644 arch/arm/mach-spear/restart.c

(limited to 'arch/arm/mach-spear/restart.c')

diff --git a/arch/arm/mach-spear/restart.c b/arch/arm/mach-spear/restart.c
new file mode 100644
index 0000000000..76fb16cc81
--- /dev/null
+++ b/arch/arm/mach-spear/restart.c
@@ -0,0 +1,32 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * arch/arm/plat-spear/restart.c
+ *
+ * SPEAr platform specific restart functions
+ *
+ * Copyright (C) 2009 ST Microelectronics
+ * Viresh Kumar <vireshk@kernel.org>
+ */
+#include <linux/io.h>
+#include <linux/amba/sp810.h>
+#include <linux/reboot.h>
+#include <asm/system_misc.h>
+#include "spear.h"
+#include "generic.h"
+
+#define SPEAR13XX_SYS_SW_RES			(VA_MISC_BASE + 0x204)
+void spear_restart(enum reboot_mode mode, const char *cmd)
+{
+	if (mode == REBOOT_SOFT) {
+		/* software reset, Jump into ROM at address 0 */
+		soft_restart(0);
+	} else {
+		/* hardware reset, Use on-chip reset capability */
+#ifdef CONFIG_ARCH_SPEAR13XX
+		writel_relaxed(0x01, SPEAR13XX_SYS_SW_RES);
+#endif
+#if defined(CONFIG_ARCH_SPEAR3XX) || defined(CONFIG_ARCH_SPEAR6XX)
+		sysctl_soft_reset((void __iomem *)VA_SPEAR_SYS_CTRL_BASE);
+#endif
+	}
+}
-- 
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