diff options
Diffstat (limited to 'arch/sh/boards/mach-snapgear/setup.c')
-rw-r--r-- | arch/sh/boards/mach-snapgear/setup.c | 95 |
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 new file mode 100644 index 00000000000..a5e349d3dda --- /dev/null +++ b/arch/sh/boards/mach-snapgear/setup.c @@ -0,0 +1,95 @@ +/* + * 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, +}; |