Move IP32 (O2) support into its own file.
From Rafal K. Boni.
This commit is contained in:
thorpej
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/* $NetBSD: ip32.c,v 1.3 2001/05/11 04:55:42 thorpej Exp $ */
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/*
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* Copyright (c) 2000 Soren S. Jorvang
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* Copyright (c) 2001 Rafal K. Boni
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed for the
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* NetBSD Project. See http://www.netbsd.org/ for
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* information about NetBSD.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "opt_machtypes.h"
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#ifdef IP32
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#include <sys/param.h>
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#include <sys/proc.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/device.h>
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#include <machine/sysconf.h>
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#include <mips/locore.h>
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extern struct platform platform;
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void ip32_init(void);
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void ip32_intr(u_int, u_int, u_int, u_int);
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void ip32_init(void)
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{
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/* XXXrkb: enable watchdog timer, clear it */
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*(volatile u_int32_t *)0xb400000c |= 0x200;
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*(volatile u_int32_t *)0xb4000034 = 0;
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platform.iointr = ip32_intr;
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biomask = 0x7f00;
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netmask = 0x7f00;
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ttymask = 0x7f00;
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clockmask = 0xff00;
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}
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void
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ip32_intr(status, cause, pc, ipending)
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u_int32_t status;
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u_int32_t cause;
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u_int32_t pc;
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u_int32_t ipending;
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{
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int i;
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unsigned long cycles;
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struct clockframe cf;
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#if 0
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printf("crm: %llx %llx %llx %llx\n", *(volatile u_int64_t *)0xb4000010,
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*(volatile u_int64_t *)0xb4000018,
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*(volatile u_int64_t *)0xb4000020,
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*(volatile u_int64_t *)0xb4000028);
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#endif
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#if 1
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/* XXX soren Reset O2 watchdog timer */
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*(volatile u_int32_t *)0xb4000034 = 0;
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#endif
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#if 1
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if ((*(volatile u_int32_t *)0xbf080004 & ~0x00100000) != 6)
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panic("pcierr: %x %x", *(volatile u_int32_t *)0xbf080004,
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*(volatile u_int32_t *)0xbf080000);
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#endif
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*(volatile u_int64_t *)0xbf310018 = 0xffffffff;
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*(volatile u_int64_t *)0xb4000018 = 0x000000000000ffff;
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#if 1
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if (ipending & 0x7800)
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panic("interesting cpu_intr, pending 0x%x\n", ipending);
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#endif
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if (ipending & MIPS_INT_MASK_5) {
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cycles = mips3_cp0_count_read();
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mips3_cp0_compare_write(cycles + 900000); /* XXX */
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cf.pc = pc;
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cf.sr = status;
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hardclock(&cf);
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cause &= ~MIPS_INT_MASK_5;
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}
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else
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if (ipending & 0x7c00)
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crime_intr(NULL);
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for (i = 0; i < 5; i++) {
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if (ipending & (MIPS_INT_MASK_0 << i))
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#if 0
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if (intrtab[i].func != NULL)
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if ((*intrtab[i].func)(intrtab[i].arg))
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#endif
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cause &= ~(MIPS_INT_MASK_0 << i);
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}
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_splset((status & ~cause & MIPS_HARD_INT_MASK) | MIPS_SR_INT_IE);
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}
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#endif /* IP32 */
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