diff options
Diffstat (limited to 'kernel/arch/mn10300/unit-asb2305/unit-init.c')
| -rw-r--r-- | kernel/arch/mn10300/unit-asb2305/unit-init.c | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/kernel/arch/mn10300/unit-asb2305/unit-init.c b/kernel/arch/mn10300/unit-asb2305/unit-init.c new file mode 100644 index 000000000..bc4adfaf8 --- /dev/null +++ b/kernel/arch/mn10300/unit-asb2305/unit-init.c @@ -0,0 +1,63 @@ +/* ASB2305 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/pci.h> +#include <asm/io.h> +#include <asm/irq.h> +#include <asm/setup.h> +#include <asm/processor.h> +#include <asm/intctl-regs.h> +#include <asm/serial-regs.h> +#include <unit/serial.h> + +/* + * initialise some of the unit hardware before gdbstub is set up + */ +asmlinkage void __init unit_init(void) +{ +#ifndef CONFIG_GDBSTUB_ON_TTYSx + /* set the 16550 interrupt line to level 3 if not being used for GDB */ +#ifdef CONFIG_EXT_SERIAL_IRQ_LEVEL + set_intr_level(XIRQ0, NUM2GxICR_LEVEL(CONFIG_EXT_SERIAL_IRQ_LEVEL)); +#endif +#endif /* CONFIG_GDBSTUB_ON_TTYSx */ +} + +/* + * initialise the rest of the unit hardware after gdbstub is ready + */ +void __init unit_setup(void) +{ +#ifdef CONFIG_PCI + unit_pci_init(); +#endif +} + +/* + * 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: + mn10300_set_lateack_irq_type(XIRQ2IRQ(extnum)); + break; + default: + break; + } + } +} |