diff options
Diffstat (limited to 'arch/mn10300/unit-asb2303/unit-init.c')
| -rw-r--r-- | arch/mn10300/unit-asb2303/unit-init.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/arch/mn10300/unit-asb2303/unit-init.c b/arch/mn10300/unit-asb2303/unit-init.c new file mode 100644 index 00000000000..14b2c817cff --- /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; + } + } +} |