4 files changed, 170 insertions, 0 deletions

diff --git a/arch/mn10300/unit-asb2303/Makefile b/arch/mn10300/unit-asb2303/Makefile
new file mode 100644
index 000000000000..03e579fa99d0
--- /dev/null
+++ b/arch/mn10300/unit-asb2303/Makefile
@@ -0,0 +1,6 @@
+###############################################################################
+#
+# Makefile for the ASB2303 board
+#
+###############################################################################
+obj-y   := unit-init.o smc91111.o leds.o
diff --git a/arch/mn10300/unit-asb2303/leds.c b/arch/mn10300/unit-asb2303/leds.c
new file mode 100644
index 000000000000..cd4bc78ccfc8
--- /dev/null
+++ b/arch/mn10300/unit-asb2303/leds.c
@@ -0,0 +1,52 @@
+/* ASB2303 peripheral 7-segment LEDs x1 support
+ *
+ * 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 <asm/io.h>
+#include <asm/processor.h>
+#include <asm/intctl-regs.h>
+#include <asm/rtc-regs.h>
+#include <asm/unit/leds.h>
+
+#if 0
+static const u8 asb2303_led_hex_tbl[16] = {
+        0x80, 0xf2, 0x48, 0x60, 0x32, 0x24, 0x04, 0xf0,
+        0x00, 0x20, 0x10, 0x06, 0x8c, 0x42, 0x0c, 0x1c
+};
+#endif
+
+static const u8 asb2303_led_chase_tbl[6] = {
+        ~0x02,  /* top          - segA */
+        ~0x04,  /* right top    - segB */
+        ~0x08,  /* right bottom - segC */
+        ~0x10,  /* bottom       - segD */
+        ~0x20,  /* left bottom  - segE */
+        ~0x40,  /* left top     - segF */
+};
+
+static unsigned asb2303_led_chase;
+
+void peripheral_leds_display_exception(enum exception_code code)
+{
+        ASB2303_GPIO0DEF = 0x5555;      /* configure as an output port */
+        ASB2303_7SEGLEDS = 0x6d;        /* triple horizontal bar */
+}
+
+void peripheral_leds_led_chase(void)
+{
+        ASB2303_GPIO0DEF = 0x5555;      /* configure as an output port */
+        ASB2303_7SEGLEDS = asb2303_led_chase_tbl[asb2303_led_chase];
+        asb2303_led_chase++;
+        if (asb2303_led_chase >= 6)
+                asb2303_led_chase = 0;
+}
diff --git a/arch/mn10300/unit-asb2303/smc91111.c b/arch/mn10300/unit-asb2303/smc91111.c
new file mode 100644
index 000000000000..30875dd65631
--- /dev/null
+++ b/arch/mn10300/unit-asb2303/smc91111.c
@@ -0,0 +1,52 @@
+/* ASB2303 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/platform_device.h>
+
+#include <asm/io.h>
+#include <asm/timex.h>
+#include <asm/processor.h>
+#include <asm/intctl-regs.h>
+#include <asm/unit/smc91111.h>
+
+static struct resource smc91c111_resources[] = {
+        [0] = {
+                .start          = SMC91111_BASE,
+                .end            = SMC91111_BASE_END,
+                .flags          = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start          = SMC91111_IRQ,
+                .end            = SMC91111_IRQ,
+                .flags          = IORESOURCE_IRQ,
+        },
+};
+
+static struct platform_device smc91c111_device = {
+        .name           = "smc91x",
+        .id             = 0,
+        .num_resources  = ARRAY_SIZE(smc91c111_resources),
+        .resource       = smc91c111_resources,
+};
+
+/*
+ * add platform devices
+ */
+static int __init unit_device_init(void)
+{
+        platform_device_register(&smc91c111_device);
+        return 0;
+}
+
+device_initcall(unit_device_init);
diff --git a/arch/mn10300/unit-asb2303/unit-init.c b/arch/mn10300/unit-asb2303/unit-init.c
new file mode 100644
index 000000000000..14b2c817cff8
--- /dev/null
+++ b/arch/mn10300/unit-asb2303/unit-init.c
@@ -0,0 +1,60 @@
+/* ASB2303 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/device.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 */
+        SET_XIRQ_TRIGGER(0, XIRQ_TRIGGER_HILEVEL);
+        SET_XIRQ_TRIGGER(2, XIRQ_TRIGGER_LOWLEVEL);
+        SET_XIRQ_TRIGGER(3, XIRQ_TRIGGER_HILEVEL);
+        SET_XIRQ_TRIGGER(4, XIRQ_TRIGGER_LOWLEVEL);
+        SET_XIRQ_TRIGGER(5, XIRQ_TRIGGER_LOWLEVEL);
+}
+
+/*
+ * initialise the rest of the unit hardware after gdbstub is ready
+ */
+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)) {
+                case XIRQ_TRIGGER_HILEVEL:
+                case XIRQ_TRIGGER_LOWLEVEL:
+                        set_irq_handler(XIRQ2IRQ(extnum), handle_level_irq);
+                        break;
+                default:
+                        break;
+                }
+        }
+}