patch-2.1.23 linux/arch/sparc/ap1000/irq.c

• Lines: 65
• Date: Sun Jan 26 12:07:06 1997
• Orig file: v2.1.22/linux/arch/sparc/ap1000/irq.c
• Orig date: Thu Jan 1 02:00:00 1970

diff -u --recursive --new-file v2.1.22/linux/arch/sparc/ap1000/irq.c linux/arch/sparc/ap1000/irq.c
@@ -0,0 +1,64 @@
+  /*
+   * Copyright 1996 The Australian National University.
+   * Copyright 1996 Fujitsu Laboratories Limited
+   * 
+   * This software may be distributed under the terms of the Gnu
+   * Public License version 2 or later
+  */
+#include <linux/ptrace.h>
+#include <linux/errno.h>
+#include <linux/linkage.h>
+#include <linux/kernel_stat.h>
+#include <linux/signal.h>
+#include <linux/sched.h>
+#include <linux/smp.h>
+#include <linux/interrupt.h>
+#include <linux/malloc.h>
+
+#include <asm/ptrace.h>
+#include <asm/processor.h>
+#include <asm/system.h>
+#include <asm/psr.h>
+#include <asm/vaddrs.h>
+#include <asm/timer.h>
+#include <asm/openprom.h>
+#include <asm/oplib.h>
+#include <asm/traps.h>
+#include <asm/irq.h>
+#include <asm/io.h>
+#include <asm/ap1000/apreg.h>
+
+extern void ap_clear_clock_irq(void);
+extern void ap_init_timers(void);
+
+static void ap_enable_irq(unsigned int irq_nr)
+{
+  /* printk("ENABLE IRQ %d IGNORED\n",irq_nr); */
+}
+
+static void ap_disable_irq(unsigned int irq_nr)
+{
+  printk("DISABLE IRQ %d IGNORED\n",irq_nr);
+}
+
+static void ap_clear_profile_irq(void)
+{
+  MC_OUT(MC_INTR,AP_CLR_INTR_REQ << MC_INTR_ITIM0_SH);
+}
+
+static void ap_load_profile_irq(unsigned limit)
+{
+  MC_OUT(MC_ITIMER0,limit); 
+}
+
+void ap_init_IRQ(void)
+{
+  enable_irq = ap_enable_irq;
+  disable_irq = ap_disable_irq;
+  clear_clock_irq = ap_clear_clock_irq;
+  clear_profile_irq = ap_clear_profile_irq;
+  load_profile_irq = ap_load_profile_irq;
+  init_timers = ap_init_timers;
+
+  sti(); /* the sun4m code does this, so we do too */
+}