patch-2.4.0-test9 linux/include/asm-arm/arch-tbox/irq.h

• Lines: 51
• Date: Mon Sep 18 15:15:23 2000
• Orig file: v2.4.0-test8/linux/include/asm-arm/arch-tbox/irq.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.4.0-test8/linux/include/asm-arm/arch-tbox/irq.h linux/include/asm-arm/arch-tbox/irq.h
@@ -0,0 +1,50 @@
+/*
+ * include/asm-arm/arch-tbox/irq.h
+ *
+ * Copyright (C) 1998, 1999, 2000 Philip Blundell
+ */
+
+/*
+ * 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.
+ */
+
+#include <asm/io.h>
+
+#define fixup_irq(x) (x)
+
+extern unsigned long soft_irq_mask;
+
+static void tbox_mask_irq(unsigned int irq)
+{
+	__raw_writel(0, INTCONT + (irq << 2));
+	soft_irq_mask &= ~(1<<irq);
+}
+
+static void tbox_unmask_irq(unsigned int irq)
+{
+	soft_irq_mask |= (1<<irq);
+	__raw_writel(1, INTCONT + (irq << 2));
+}
+ 
+static __inline__ void irq_init_irq(void)
+{
+	unsigned int i;
+
+	/* Disable all interrupts initially. */
+	for (i = 0; i < NR_IRQS; i++) {
+		if (i <= 10 || (i >= 12 && i <= 13)) {
+			irq_desc[i].valid	= 1;
+			irq_desc[i].probe_ok	= 0;
+			irq_desc[i].mask_ack	= tbox_mask_irq;
+			irq_desc[i].mask	= tbox_mask_irq;
+			irq_desc[i].unmask	= tbox_unmask_irq;
+			tbox_mask_irq(i);
+		} else {
+			irq_desc[i].valid	= 0;
+			irq_desc[i].probe_ok	= 0;
+		}
+	}
+}