1 files changed, 216 insertions, 0 deletions

diff --git a/arch/sh/boards/snapgear/setup.c b/arch/sh/boards/snapgear/setup.c
new file mode 100644
index 000000000000..08fc98342a0b
--- /dev/null
+++ b/arch/sh/boards/snapgear/setup.c
@@ -0,0 +1,216 @@
+/****************************************************************************/
+/* 
+ * 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/config.h>
+#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/mach/io.h>
+#include <asm/irq.h>
+#include <asm/io.h>
+#include <asm/cpu/timer.h>
+
+extern void (*board_time_init)(void);
+extern void secureedge5410_rtc_init(void);
+extern void pcibios_init(void);
+
+/****************************************************************************/
+/*
+ * EraseConfig handling functions
+ */
+
+static irqreturn_t eraseconfig_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+{
+        volatile char dummy __attribute__((unused)) = * (volatile char *) 0xb8000000;
+
+        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, SA_INTERRUPT,
+                                "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)
+{
+        /* enable individual interrupt mode for externals */
+        ctrl_outw(ctrl_inw(INTC_ICR) | INTC_ICR_IRLM, INTC_ICR);
+
+        printk("Setup SnapGear IRQ/IPR ...\n");
+
+        make_ipr_irq(IRL0_IRQ, IRL0_IPR_ADDR, IRL0_IPR_POS, IRL0_PRIORITY);
+        make_ipr_irq(IRL1_IRQ, IRL1_IPR_ADDR, IRL1_IPR_POS, IRL1_PRIORITY);
+        make_ipr_irq(IRL2_IRQ, IRL2_IPR_ADDR, IRL2_IPR_POS, IRL2_PRIORITY);
+        make_ipr_irq(IRL3_IRQ, IRL3_IPR_ADDR, IRL3_IPR_POS, IRL3_PRIORITY);
+}
+
+/****************************************************************************/
+/*
+ *      Fast poll interrupt simulator.
+ */
+
+/*
+ * Leave all of the fast timer/fast poll stuff commented out for now, since
+ * it's not clear whether it actually works or not. Since it wasn't being used
+ * at all in 2.4, we'll assume it's not sane for 2.6 either.. -- PFM
+ */
+#if 0
+#define FAST_POLL       1000
+//#define FAST_POLL_INTR
+
+#define FASTTIMER_IRQ   17
+#define FASTTIMER_IPR_ADDR  INTC_IPRA
+#define FASTTIMER_IPR_POS    2
+#define FASTTIMER_PRIORITY   3
+
+#ifdef FAST_POLL_INTR
+#define TMU1_TCR_INIT   0x0020
+#else
+#define TMU1_TCR_INIT   0
+#endif
+#define TMU_TSTR_INIT   1
+#define TMU1_TCR_CALIB  0x0000
+
+
+#ifdef FAST_POLL_INTR
+static void fast_timer_irq(int irq, void *dev_instance, struct pt_regs *regs)
+{
+        unsigned long timer_status;
+    timer_status = ctrl_inw(TMU1_TCR);
+        timer_status &= ~0x100;
+        ctrl_outw(timer_status, TMU1_TCR);
+}
+#endif
+
+/*
+ * return the current ticks on the fast timer
+ */
+
+unsigned long fast_timer_count(void)
+{
+        return(ctrl_inl(TMU1_TCNT));
+}
+
+/*
+ * setup a fast timer for profiling etc etc
+ */
+
+static void setup_fast_timer()
+{
+        unsigned long interval;
+
+#ifdef FAST_POLL_INTR
+        interval = (current_cpu_data.module_clock/4 + FAST_POLL/2) / FAST_POLL;
+
+        make_ipr_irq(FASTTIMER_IRQ, FASTTIMER_IPR_ADDR, FASTTIMER_IPR_POS,
+                        FASTTIMER_PRIORITY);
+
+        printk("SnapGear: %dHz fast timer on IRQ %d\n",FAST_POLL,FASTTIMER_IRQ);
+
+        if (request_irq(FASTTIMER_IRQ, fast_timer_irq, 0, "SnapGear fast timer",
+                        NULL) != 0)
+                printk("%s(%d): request_irq() failed?\n", __FILE__, __LINE__);
+#else
+        printk("SnapGear: fast timer running\n",FAST_POLL,FASTTIMER_IRQ);
+        interval = 0xffffffff;
+#endif
+
+        ctrl_outb(ctrl_inb(TMU_TSTR) & ~0x2, TMU_TSTR); /* disable timer 1 */
+        ctrl_outw(TMU1_TCR_INIT, TMU1_TCR);
+        ctrl_outl(interval, TMU1_TCOR);
+        ctrl_outl(interval, TMU1_TCNT);
+        ctrl_outb(ctrl_inb(TMU_TSTR) | 0x2, TMU_TSTR); /* enable timer 1 */
+
+        printk("Timer count 1 = 0x%x\n", fast_timer_count());
+        udelay(1000);
+        printk("Timer count 2 = 0x%x\n", fast_timer_count());
+}
+#endif
+
+/****************************************************************************/
+
+const char *get_system_type(void)
+{
+        return "SnapGear SecureEdge5410";
+}
+
+/*
+ * The Machine Vector
+ */
+
+struct sh_machine_vector mv_snapgear __initmv = {
+        .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_isa_port2addr       = snapgear_isa_port2addr,
+
+        .mv_init_irq            = init_snapgear_IRQ,
+};
+ALIAS_MV(snapgear)
+
+/*
+ * Initialize the board
+ */
+
+int __init platform_setup(void)
+{
+        board_time_init = secureedge5410_rtc_init;
+
+        return 0;
+}
+