X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fmips%2Fmomentum%2Focelot_c%2Firq.c;h=86f61ce59e53b33d205040f14a903e6e44f37882;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=d12f5befdf6f7fe3f2b96f49474a4bc7ba398198;hpb=5273a3df6485dc2ad6aa7ddd441b9a21970f003b;p=linux-2.6.git

diff --git a/arch/mips/momentum/ocelot_c/irq.c b/arch/mips/momentum/ocelot_c/irq.c
index d12f5befd..86f61ce59 100644
--- a/arch/mips/momentum/ocelot_c/irq.c
+++ b/arch/mips/momentum/ocelot_c/irq.c
@@ -5,7 +5,7 @@
  *
  * Copyright 2001 MontaVista Software Inc.
  * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net
- * Copyright (C) 2000, 2001 Ralf Baechle (ralf@gnu.org)
+ * Copyright (C) 2000, 01, 05 Ralf Baechle (ralf@linux-mips.org)
  *
  *  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
@@ -28,7 +28,6 @@
  *  675 Mass Ave, Cambridge, MA 02139, USA.
  *
  */
-#include <linux/config.h>
 #include <linux/errno.h>
 #include <linux/init.h>
 #include <linux/kernel_stat.h>
@@ -41,26 +40,53 @@
 #include <linux/timex.h>
 #include <linux/slab.h>
 #include <linux/random.h>
-#include <asm/bitops.h>
+#include <linux/bitops.h>
+#include <linux/mv643xx.h>
 #include <asm/bootinfo.h>
 #include <asm/io.h>
-#include <asm/irq.h>
+#include <asm/irq_cpu.h>
 #include <asm/mipsregs.h>
 #include <asm/system.h>
 
-extern asmlinkage void ocelot_handle_int(void);
 extern void uart_irq_init(void);
 extern void cpci_irq_init(void);
 
 static struct irqaction cascade_fpga = {
-	no_action, SA_INTERRUPT, 0, "cascade via FPGA", NULL, NULL
+	no_action, SA_INTERRUPT, CPU_MASK_NONE, "cascade via FPGA", NULL, NULL
 };
 
 static struct irqaction cascade_mv64340 = {
-	no_action, SA_INTERRUPT, 0, "cascade via MV64340", NULL, NULL
+	no_action, SA_INTERRUPT, CPU_MASK_NONE, "cascade via MV64340", NULL, NULL
 };
 
-void __init init_IRQ(void)
+extern void ll_uart_irq(struct pt_regs *regs);
+extern void ll_cpci_irq(struct pt_regs *regs);
+
+asmlinkage void plat_irq_dispatch(struct pt_regs *regs)
+{
+	unsigned int pending = read_c0_cause() & read_c0_status();
+
+	if (pending & STATUSF_IP0)
+		do_IRQ(0, regs);
+	else if (pending & STATUSF_IP1)
+		do_IRQ(1, regs);
+	else if (pending & STATUSF_IP2)
+		do_IRQ(2, regs);
+	else if (pending & STATUSF_IP3)
+		ll_uart_irq(regs);
+	else if (pending & STATUSF_IP4)
+		do_IRQ(4, regs);
+	else if (pending & STATUSF_IP5)
+		ll_cpci_irq(regs);
+	else if (pending & STATUSF_IP6)
+		ll_mv64340_irq(regs);
+	else if (pending & STATUSF_IP7)
+		do_IRQ(7, regs);
+	else
+		spurious_interrupt(regs);
+}
+
+void __init arch_init_irq(void)
 {
 	/*
 	 * Clear all of the interrupts while we change the able around a bit.
@@ -68,9 +94,6 @@ void __init init_IRQ(void)
 	 */
 	clear_c0_status(ST0_IM);
 
-	/* Sets the first-level interrupt dispatcher. */
-	set_except_vector(0, ocelot_handle_int);
-	init_generic_irq();
 	mips_cpu_irq_init(0);
 
 	/* set up the cascading interrupts */
@@ -81,10 +104,4 @@ void __init init_IRQ(void)
 	mv64340_irq_init(16);
 	uart_irq_init();
 	cpci_irq_init();
-
-#ifdef CONFIG_KGDB
-	printk("start kgdb ...\n");
-	set_debug_traps();
-	breakpoint();	/* you may move this line to whereever you want :-) */
-#endif
 }