patch-2.4.22 linux-2.4.22/include/asm-arm/arch-omaha/system.h

• Lines: 55
• Date: 2003-08-25 04:44:43.000000000 -0700
• Orig file: linux-2.4.21/include/asm-arm/arch-omaha/system.h
• Orig date: 1969-12-31 16:00:00.000000000 -0800

diff -urN linux-2.4.21/include/asm-arm/arch-omaha/system.h linux-2.4.22/include/asm-arm/arch-omaha/system.h
@@ -0,0 +1,54 @@
+/*
+ *  linux/include/asm-arm/arch-omaha/system.h
+ *
+ *  Copyright (C) 1999-2002 ARM Limited
+ *  Copyright (C) 2000 Deep Blue Solutions Ltd
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+#ifndef __ASM_ARCH_SYSTEM_H
+#define __ASM_ARCH_SYSTEM_H
+
+#include <asm/io.h>
+#include <asm/arch/hardware.h>
+
+static void arch_idle(void)
+{
+	/*
+	 * This should do all the clock switching
+	 * and wait for interrupt tricks
+	 */
+	cpu_do_idle(0);
+}
+
+static inline void arch_reset(char mode)
+{
+	volatile unsigned int wtcon = IO_ADDRESS(PLAT_PERIPHERAL_BASE+OMAHA_WTCON);
+	volatile unsigned int wtdat = IO_ADDRESS(PLAT_PERIPHERAL_BASE+OMAHA_WTDAT);
+	volatile unsigned int wtcnt = IO_ADDRESS(PLAT_PERIPHERAL_BASE+OMAHA_WTCNT);
+		
+	// Let the watchdog bite. It will timeout and reset the CPU!
+	
+	// Minimum count until the end
+	__raw_writel(1,wtdat);
+	__raw_writel(1,wtcnt);
+
+	// Enable wathdog in reset mode
+	__raw_writel(0x21,wtcon);
+	
+	while(1);
+}
+
+#endif