patch-2.4.22 linux-2.4.22/include/asm-arm/arch-at91rm9200/system.h

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diff -urN linux-2.4.21/include/asm-arm/arch-at91rm9200/system.h linux-2.4.22/include/asm-arm/arch-at91rm9200/system.h
@@ -0,0 +1,51 @@
+/*
+ * linux/include/asm-arm/arch-at91rm9200/system.h
+ *
+ *  Copyright (C) 2003 SAN People
+ *
+ * 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/arch/hardware.h>
+
+static inline void arch_idle(void)
+{
+	/*
+	 * Disable the processor clock.  The processor will be automatically
+	 * re-enabled by an interrupt or by a reset.
+	 */
+//	AT91_SYS->PMC_SCDR = AT91C_PMC_PCK;
+
+	/*
+	 * Set the processor (CP15) into 'Wait for Interrupt' mode.
+	 * Unlike disabling the processor clock via the PMC (above)
+	 *  this allows the processor to be woken via JTAG.
+	 */
+	cpu_do_idle();
+}
+
+static inline void arch_reset(char mode)
+{
+	/*
+	 * Perform a hardware reset with the use of the Watchdog timer.
+	 */
+	AT91_SYS->ST_WDMR = AT91C_ST_RSTEN | AT91C_ST_EXTEN | 1 ;
+	AT91_SYS->ST_CR = AT91C_ST_WDRST;
+}
+
+#endif

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