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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 <asm/rtc.h>
#include <asm/cpu/timer.h>
extern void secureedge5410_rtc_init(void);
extern void pcibios_init(void);
/****************************************************************************/
/*
* EraseConfig handling functions
*/
static irqreturn_t eraseconfig_interrupt(int irq, void *dev_id)
{
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, 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 struct ipr_data ipr_irq_table[] = {
{ IRL0_IRQ, 0, IRL0_IPR_POS, IRL0_PRIORITY },
{ IRL1_IRQ, 0, IRL1_IPR_POS, IRL1_PRIORITY },
{ IRL2_IRQ, 0, IRL2_IPR_POS, IRL2_PRIORITY },
{ IRL3_IRQ, 0, IRL3_IPR_POS, IRL3_PRIORITY },
};
static unsigned long ipr_offsets[] = {
INTC_IPRD,
};
static struct ipr_desc ipr_irq_desc = {
.ipr_offsets = ipr_offsets,
.nr_offsets = ARRAY_SIZE(ipr_offsets),
.ipr_data = ipr_irq_table,
.nr_irqs = ARRAY_SIZE(ipr_irq_table),
.chip = {
.name = "IPR-snapgear",
},
};
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");
register_ipr_controller(&ipr_irq_desc);
}
/*
* Initialize the board
*/
static void __init snapgear_setup(char **cmdline_p)
{
board_time_init = secureedge5410_rtc_init;
}
/*
* The Machine Vector
*/
static struct sh_machine_vector mv_snapgear __initmv = {
.mv_name = "SnapGear SecureEdge5410",
.mv_setup = snapgear_setup,
.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,
};
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