patch-2.4.10 linux/arch/mips/jazz/irq.c

• Lines: 46
• Date: Sun Sep 9 10:43:01 2001
• Orig file: v2.4.9/linux/arch/mips/jazz/irq.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.4.9/linux/arch/mips/jazz/irq.c linux/arch/mips/jazz/irq.c
@@ -0,0 +1,45 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 1992 Linus Torvalds
+ * Copyright (C) 1994 - 2001 Ralf Baechle
+ */
+#include <linux/delay.h>
+#include <linux/init.h>
+#include <linux/irq.h>
+#include <linux/interrupt.h>
+#include <linux/kernel.h>
+#include <linux/spinlock.h>
+
+#include <asm/io.h>
+#include <asm/jazz.h>
+
+extern asmlinkage void jazz_handle_int(void);
+
+/*
+ * On systems with i8259-style interrupt controllers we assume for
+ * driver compatibility reasons interrupts 0 - 15 to be the i8295
+ * interrupts even if the hardware uses a different interrupt numbering.
+ */
+void __init init_IRQ (void)
+{
+	int i;
+
+	set_except_vector(0, jazz_handle_int);
+
+	init_generic_irq();
+	init_i8259_irqs();			/* Integrated i8259  */
+#if 0
+	init_jazz_irq();
+
+	/* Actually we've got more interrupts to handle ...  */
+	for (i = PCIMT_IRQ_INT2; i <= PCIMT_IRQ_ETHERNET; i++) {
+		irq_desc[i].status     = IRQ_DISABLED;
+		irq_desc[i].action     = 0;
+		irq_desc[i].depth      = 1;
+		irq_desc[i].handler    = &pciasic_irq_type;
+	}
+#endif
+}