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368dd5acd1
Implement the Panasonic MN10300 AM34 CPU subarch and implement SMP support for MN10300. Also implement support for the MN2WS0060 processor and the ASB2364 evaluation board which are AM34 based. Signed-off-by: Akira Takeuchi <takeuchi.akr@jp.panasonic.com> Signed-off-by: Kiyoshi Owada <owada.kiyoshi@jp.panasonic.com> Signed-off-by: David Howells <dhowells@redhat.com>
69 lines
1.7 KiB
C
69 lines
1.7 KiB
C
/* ASB2303 initialisation
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*
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* Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
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* Written by David Howells (dhowells@redhat.com)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public Licence
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* as published by the Free Software Foundation; either version
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* 2 of the Licence, or (at your option) any later version.
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*/
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#include <linux/kernel.h>
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#include <linux/param.h>
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#include <linux/init.h>
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#include <linux/device.h>
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#include <asm/io.h>
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#include <asm/setup.h>
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#include <asm/processor.h>
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#include <asm/irq.h>
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#include <asm/intctl-regs.h>
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/*
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* initialise some of the unit hardware before gdbstub is set up
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*/
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asmlinkage void __init unit_init(void)
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{
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/* set up the external interrupts */
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SET_XIRQ_TRIGGER(0, XIRQ_TRIGGER_HILEVEL);
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SET_XIRQ_TRIGGER(2, XIRQ_TRIGGER_LOWLEVEL);
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SET_XIRQ_TRIGGER(3, XIRQ_TRIGGER_HILEVEL);
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SET_XIRQ_TRIGGER(4, XIRQ_TRIGGER_LOWLEVEL);
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SET_XIRQ_TRIGGER(5, XIRQ_TRIGGER_LOWLEVEL);
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#ifdef CONFIG_EXT_SERIAL_IRQ_LEVEL
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set_intr_level(XIRQ0, NUM2GxICR_LEVEL(CONFIG_EXT_SERIAL_IRQ_LEVEL));
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#endif
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#ifdef CONFIG_ETHERNET_IRQ_LEVEL
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set_intr_level(XIRQ3, NUM2GxICR_LEVEL(CONFIG_ETHERNET_IRQ_LEVEL));
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#endif
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}
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/*
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* initialise the rest of the unit hardware after gdbstub is ready
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*/
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void __init unit_setup(void)
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{
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}
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/*
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* initialise the external interrupts used by a unit of this type
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*/
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void __init unit_init_IRQ(void)
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{
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unsigned int extnum;
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for (extnum = 0; extnum < NR_XIRQS; extnum++) {
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switch (GET_XIRQ_TRIGGER(extnum)) {
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case XIRQ_TRIGGER_HILEVEL:
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case XIRQ_TRIGGER_LOWLEVEL:
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mn10300_set_lateack_irq_type(XIRQ2IRQ(extnum));
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break;
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default:
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break;
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}
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}
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}
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