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Diffstat (limited to 'arch/sh/boards/mach-snapgear/setup.c')
-rw-r--r--arch/sh/boards/mach-snapgear/setup.c95
1 files changed, 95 insertions, 0 deletions
diff --git a/arch/sh/boards/mach-snapgear/setup.c b/arch/sh/boards/mach-snapgear/setup.c
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+++ b/arch/sh/boards/mach-snapgear/setup.c
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+/*
+ * linux/arch/sh/boards/snapgear/setup.c
+ *
+ * Copyright (C) 2002 David McCullough <davidm@snapgear.com>
+ * Copyright (C) 2003 Paul Mundt <lethal@linux-sh.org>
+ *
+ * Based on files with the following comments:
+ *
+ * Copyright (C) 2000 Kazumoto Kojima
+ *
+ * Modified for 7751 Solution Engine by
+ * Ian da Silva and Jeremy Siegel, 2001.
+ */
+#include <linux/init.h>
+#include <linux/irq.h>
+#include <linux/interrupt.h>
+#include <linux/timer.h>
+#include <linux/delay.h>
+#include <linux/module.h>
+#include <linux/sched.h>
+#include <asm/machvec.h>
+#include <asm/snapgear.h>
+#include <asm/irq.h>
+#include <asm/io.h>
+#include <cpu/timer.h>
+
+/*
+ * EraseConfig handling functions
+ */
+
+static irqreturn_t eraseconfig_interrupt(int irq, void *dev_id)
+{
+ (void)ctrl_inb(0xb8000000); /* dummy read */
+
+ printk("SnapGear: erase switch interrupt!\n");
+
+ return IRQ_HANDLED;
+}
+
+static int __init eraseconfig_init(void)
+{
+ printk("SnapGear: EraseConfig init\n");
+ /* Setup "EraseConfig" switch on external IRQ 0 */
+ if (request_irq(IRL0_IRQ, eraseconfig_interrupt, IRQF_DISABLED,
+ "Erase Config", NULL))
+ printk("SnapGear: failed to register IRQ%d for Reset witch\n",
+ IRL0_IRQ);
+ else
+ printk("SnapGear: registered EraseConfig switch on IRQ%d\n",
+ IRL0_IRQ);
+ return(0);
+}
+
+module_init(eraseconfig_init);
+
+/****************************************************************************/
+/*
+ * Initialize IRQ setting
+ *
+ * IRL0 = erase switch
+ * IRL1 = eth0
+ * IRL2 = eth1
+ * IRL3 = crypto
+ */
+
+static void __init init_snapgear_IRQ(void)
+{
+ printk("Setup SnapGear IRQ/IPR ...\n");
+ /* enable individual interrupt mode for externals */
+ plat_irq_setup_pins(IRQ_MODE_IRQ);
+}
+
+/*
+ * The Machine Vector
+ */
+static struct sh_machine_vector mv_snapgear __initmv = {
+ .mv_name = "SnapGear SecureEdge5410",
+ .mv_nr_irqs = 72,
+
+ .mv_inb = snapgear_inb,
+ .mv_inw = snapgear_inw,
+ .mv_inl = snapgear_inl,
+ .mv_outb = snapgear_outb,
+ .mv_outw = snapgear_outw,
+ .mv_outl = snapgear_outl,
+
+ .mv_inb_p = snapgear_inb_p,
+ .mv_inw_p = snapgear_inw,
+ .mv_inl_p = snapgear_inl,
+ .mv_outb_p = snapgear_outb_p,
+ .mv_outw_p = snapgear_outw,
+ .mv_outl_p = snapgear_outl,
+
+ .mv_init_irq = init_snapgear_IRQ,
+};