1 files changed, 85 insertions, 0 deletions

diff --git a/arch/mn10300/unit-asb2364/unit-init.c b/arch/mn10300/unit-asb2364/unit-init.c
new file mode 100644
index 000000000000..a3fc09b43f84
--- /dev/null
+++ b/arch/mn10300/unit-asb2364/unit-init.c
@@ -0,0 +1,85 @@
+/* ASB2364 initialisation
+ *
+ * Copyright (C) 2002 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 License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#include <linux/kernel.h>
+#include <linux/param.h>
+#include <linux/init.h>
+#include <linux/device.h>
+#include <linux/delay.h>
+
+#include <asm/io.h>
+#include <asm/setup.h>
+#include <asm/processor.h>
+#include <asm/irq.h>
+#include <asm/intctl-regs.h>
+
+/*
+ * initialise some of the unit hardware before gdbstub is set up
+ */
+asmlinkage void __init unit_init(void)
+{
+        /* set up the external interrupts */
+
+        /* XIRQ[0]: NAND RXBY */
+        /* SET_XIRQ_TRIGGER(0, XIRQ_TRIGGER_LOWLEVEL); */
+
+        /* XIRQ[1]: LAN, UART, I2C, USB, PCI, FPGA */
+        SET_XIRQ_TRIGGER(1, XIRQ_TRIGGER_LOWLEVEL);
+
+        /* XIRQ[2]: Extend Slot 1-9 */
+        /* SET_XIRQ_TRIGGER(2, XIRQ_TRIGGER_LOWLEVEL); */
+
+#if defined(CONFIG_EXT_SERIAL_IRQ_LEVEL) &&     \
+    defined(CONFIG_ETHERNET_IRQ_LEVEL) &&       \
+    (CONFIG_EXT_SERIAL_IRQ_LEVEL != CONFIG_ETHERNET_IRQ_LEVEL)
+# error CONFIG_EXT_SERIAL_IRQ_LEVEL != CONFIG_ETHERNET_IRQ_LEVEL
+#endif
+
+#if defined(CONFIG_EXT_SERIAL_IRQ_LEVEL)
+        set_intr_level(XIRQ1, NUM2GxICR_LEVEL(CONFIG_EXT_SERIAL_IRQ_LEVEL));
+#elif defined(CONFIG_ETHERNET_IRQ_LEVEL)
+        set_intr_level(XIRQ1, NUM2GxICR_LEVEL(CONFIG_ETHERNET_IRQ_LEVEL));
+#endif
+}
+
+/*
+ * initialise the rest of the unit hardware after gdbstub is ready
+ */
+asmlinkage void __init unit_setup(void)
+{
+
+}
+
+/*
+ * 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)) {
+                        /* LEVEL triggered interrupts should be made
+                         * post-ACK'able as they hold their lines until
+                         * serviced
+                         */
+                case XIRQ_TRIGGER_HILEVEL:
+                case XIRQ_TRIGGER_LOWLEVEL:
+                        mn10300_set_lateack_irq_type(XIRQ2IRQ(extnum));
+                        break;
+                default:
+                        break;
+                }
+        }
+
+#define IRQCTL  __SYSREG(0xd5000090, u32)
+        IRQCTL |= 0x02;
+}