X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=arch%2Farm%2Fcpu%2Fsa1100%2Fcpu.c;h=f81ebc9ba299530c19413506eb9248688b623356;hb=0b28f86545084939da96bafb61ad3278b2fa4fe1;hp=6651898de235925b824f09cc409d80505650f7ac;hpb=aaf5e825606a70ddc8fca8e366d8c16a6fd3cc7c;p=oweals%2Fu-boot.git

diff --git a/arch/arm/cpu/sa1100/cpu.c b/arch/arm/cpu/sa1100/cpu.c
index 6651898de2..f81ebc9ba2 100644
--- a/arch/arm/cpu/sa1100/cpu.c
+++ b/arch/arm/cpu/sa1100/cpu.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * (C) Copyright 2002
  * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
@@ -6,8 +7,6 @@
  * (C) Copyright 2002
  * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
  * Alex Zuepke <azu@sysgo.de>
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 /*
@@ -17,10 +16,7 @@
 #include <common.h>
 #include <command.h>
 #include <asm/system.h>
-
-#ifdef CONFIG_USE_IRQ
-DECLARE_GLOBAL_DATA_PTR;
-#endif
+#include <asm/io.h>
 
 static void cache_flush(void);
 
@@ -52,3 +48,16 @@ static void cache_flush (void)
 
 	asm ("mcr p15, 0, %0, c7, c5, 0": :"r" (i));
 }
+
+#define RST_BASE 0x90030000
+#define RSRR	0x00
+#define RCSR	0x04
+
+__attribute__((noreturn)) void reset_cpu(ulong addr __attribute__((unused)))
+{
+	/* repeat endlessly */
+	while (1) {
+		writel(0, RST_BASE + RCSR);
+		writel(1, RST_BASE + RSRR);
+	}
+}