1 files changed, 61 insertions, 0 deletions

diff --git a/arch/mn10300/unit-asb2305/unit-init.c b/arch/mn10300/unit-asb2305/unit-init.c
new file mode 100644
index 000000000000..6a352414a358
--- /dev/null
+++ b/arch/mn10300/unit-asb2305/unit-init.c
@@ -0,0 +1,61 @@
+/* ASB2305 Initialisation
+ *
+ * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@redhat.com)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public Licence
+ * as published by the Free Software Foundation; either version
+ * 2 of the Licence, or (at your option) any later version.
+ */
+#include <linux/kernel.h>
+#include <linux/param.h>
+#include <linux/init.h>
+#include <linux/pci.h>
+#include <asm/io.h>
+#include <asm/setup.h>
+#include <asm/processor.h>
+#include <asm/cpu/intctl-regs.h>
+#include <asm/cpu/rtc-regs.h>
+#include <asm/cpu/serial-regs.h>
+#include <asm/unit/serial.h>
+
+/*
+ * initialise some of the unit hardware before gdbstub is set up
+ */
+asmlinkage void __init unit_init(void)
+{
+#ifndef CONFIG_GDBSTUB_ON_TTYSx
+        /* set the 16550 interrupt line to level 3 if not being used for GDB */
+        set_intr_level(XIRQ0, GxICR_LEVEL_3);
+#endif
+}
+
+/*
+ * initialise the rest of the unit hardware after gdbstub is ready
+ */
+void __init unit_setup(void)
+{
+#ifdef CONFIG_PCI
+        unit_pci_init();
+#endif
+}
+
+/*
+ * initialise the external interrupts used by a unit of this type
+ */
+void __init unit_init_IRQ(void)
+{
+        unsigned int extnum;
+
+        for (extnum = 0; extnum < NR_XIRQS; extnum++) {
+                switch (GET_XIRQ_TRIGGER(extnum)) {
+                case XIRQ_TRIGGER_HILEVEL:
+                case XIRQ_TRIGGER_LOWLEVEL:
+                        set_irq_handler(XIRQ2IRQ(extnum), handle_level_irq);
+                        break;
+                default:
+                        break;
+                }
+        }
+}