machdep.c revision 1.48
11.48Sagc/*	$NetBSD: machdep.c,v 1.48 2003/08/07 16:27:24 agc Exp $	*/
21.1Sitojun
31.1Sitojun/*-
41.1Sitojun * Copyright (c) 1996, 1997, 1998 The NetBSD Foundation, Inc.
51.1Sitojun * All rights reserved.
61.1Sitojun *
71.1Sitojun * This code is derived from software contributed to The NetBSD Foundation
81.1Sitojun * by Charles M. Hannum and by Jason R. Thorpe of the Numerical Aerospace
91.1Sitojun * Simulation Facility, NASA Ames Research Center.
101.1Sitojun *
111.1Sitojun * Redistribution and use in source and binary forms, with or without
121.1Sitojun * modification, are permitted provided that the following conditions
131.1Sitojun * are met:
141.1Sitojun * 1. Redistributions of source code must retain the above copyright
151.1Sitojun *    notice, this list of conditions and the following disclaimer.
161.1Sitojun * 2. Redistributions in binary form must reproduce the above copyright
171.1Sitojun *    notice, this list of conditions and the following disclaimer in the
181.1Sitojun *    documentation and/or other materials provided with the distribution.
191.1Sitojun * 3. All advertising materials mentioning features or use of this software
201.1Sitojun *    must display the following acknowledgement:
211.1Sitojun *	This product includes software developed by the NetBSD
221.1Sitojun *	Foundation, Inc. and its contributors.
231.1Sitojun * 4. Neither the name of The NetBSD Foundation nor the names of its
241.1Sitojun *    contributors may be used to endorse or promote products derived
251.1Sitojun *    from this software without specific prior written permission.
261.1Sitojun *
271.1Sitojun * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
281.1Sitojun * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
291.1Sitojun * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
301.1Sitojun * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
311.1Sitojun * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
321.1Sitojun * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
331.1Sitojun * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
341.1Sitojun * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
351.1Sitojun * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
361.1Sitojun * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
371.1Sitojun * POSSIBILITY OF SUCH DAMAGE.
381.1Sitojun */
391.1Sitojun
401.1Sitojun/*-
411.1Sitojun * Copyright (c) 1982, 1987, 1990 The Regents of the University of California.
421.1Sitojun * All rights reserved.
431.1Sitojun *
441.1Sitojun * This code is derived from software contributed to Berkeley by
451.1Sitojun * William Jolitz.
461.1Sitojun *
471.1Sitojun * Redistribution and use in source and binary forms, with or without
481.1Sitojun * modification, are permitted provided that the following conditions
491.1Sitojun * are met:
501.1Sitojun * 1. Redistributions of source code must retain the above copyright
511.1Sitojun *    notice, this list of conditions and the following disclaimer.
521.1Sitojun * 2. Redistributions in binary form must reproduce the above copyright
531.1Sitojun *    notice, this list of conditions and the following disclaimer in the
541.1Sitojun *    documentation and/or other materials provided with the distribution.
551.48Sagc * 3. Neither the name of the University nor the names of its contributors
561.1Sitojun *    may be used to endorse or promote products derived from this software
571.1Sitojun *    without specific prior written permission.
581.1Sitojun *
591.1Sitojun * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
601.1Sitojun * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
611.1Sitojun * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
621.1Sitojun * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
631.1Sitojun * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
641.1Sitojun * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
651.1Sitojun * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
661.1Sitojun * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
671.1Sitojun * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
681.1Sitojun * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
691.1Sitojun * SUCH DAMAGE.
701.1Sitojun *
711.1Sitojun *	@(#)machdep.c	7.4 (Berkeley) 6/3/91
721.1Sitojun */
731.47Slukem
741.47Slukem#include <sys/cdefs.h>
751.48Sagc__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.48 2003/08/07 16:27:24 agc Exp $");
761.1Sitojun
771.1Sitojun#include "opt_ddb.h"
781.26Slukem#include "opt_kgdb.h"
791.1Sitojun#include "opt_memsize.h"
801.1Sitojun#include "opt_initbsc.h"
811.1Sitojun
821.1Sitojun#include <sys/param.h>
831.1Sitojun#include <sys/systm.h>
841.1Sitojun#include <sys/kernel.h>
851.1Sitojun#include <sys/user.h>
861.37Such#include <sys/mount.h>
871.1Sitojun#include <sys/reboot.h>
881.37Such#include <sys/sysctl.h>
891.46Sragge#include <sys/ksyms.h>
901.1Sitojun
911.37Such#include <uvm/uvm_extern.h>
921.1Sitojun
931.1Sitojun#include <dev/cons.h>
941.40Such
951.37Such#include <sh3/bscreg.h>
961.33Such#include <sh3/cpgreg.h>
971.33Such#include <sh3/cache_sh3.h>
981.40Such#include <sh3/cache_sh4.h>
991.40Such#include <sh3/exception.h>
1001.40Such
1011.40Such#include <machine/bus.h>
1021.40Such#include <machine/intr.h>
1031.40Such
1041.40Such#ifdef DDB
1051.40Such#include <machine/db_machdep.h>
1061.40Such#include <ddb/db_extern.h>
1071.40Such#endif
1081.1Sitojun
1091.46Sragge#include "ksyms.h"
1101.46Sragge
1111.1Sitojun/* the following is used externally (sysctl_hw) */
1121.37Suchchar machine[] = MACHINE;		/* evbsh3 */
1131.37Suchchar machine_arch[] = MACHINE_ARCH;	/* sh3eb or sh3el */
1141.1Sitojun
1151.3Smsaitohvoid initSH3 __P((void *));
1161.3Smsaitohvoid LoadAndReset __P((char *));
1171.3Smsaitohvoid XLoadAndReset __P((char *));
1181.1Sitojun
1191.1Sitojun/*
1201.1Sitojun * Machine-dependent startup code
1211.1Sitojun *
1221.1Sitojun * This is called from main() in kern/main.c.
1231.1Sitojun */
1241.1Sitojunvoid
1251.1Sitojuncpu_startup()
1261.1Sitojun{
1271.1Sitojun
1281.39Such	sh_startup();
1291.1Sitojun}
1301.1Sitojun
1311.1Sitojun/*
1321.1Sitojun * machine dependent system variables.
1331.1Sitojun */
1341.1Sitojunint
1351.1Sitojuncpu_sysctl(name, namelen, oldp, oldlenp, newp, newlen, p)
1361.1Sitojun	int *name;
1371.1Sitojun	u_int namelen;
1381.1Sitojun	void *oldp;
1391.1Sitojun	size_t *oldlenp;
1401.1Sitojun	void *newp;
1411.1Sitojun	size_t newlen;
1421.1Sitojun	struct proc *p;
1431.1Sitojun{
1441.1Sitojun	dev_t consdev;
1451.1Sitojun	char *osimage;
1461.1Sitojun
1471.1Sitojun	/* all sysctl names at this level are terminal */
1481.1Sitojun	if (namelen != 1)
1491.1Sitojun		return (ENOTDIR);		/* overloaded */
1501.1Sitojun
1511.1Sitojun	switch (name[0]) {
1521.1Sitojun	case CPU_CONSDEV:
1531.1Sitojun		if (cn_tab != NULL)
1541.1Sitojun			consdev = cn_tab->cn_dev;
1551.1Sitojun		else
1561.1Sitojun			consdev = NODEV;
1571.1Sitojun		return (sysctl_rdstruct(oldp, oldlenp, newp, &consdev,
1581.1Sitojun		    sizeof consdev));
1591.1Sitojun
1601.1Sitojun	case CPU_LOADANDRESET:
1611.1Sitojun		if (newp != NULL) {
1621.1Sitojun			osimage = (char *)(*(u_long *)newp);
1631.1Sitojun
1641.1Sitojun			LoadAndReset(osimage);
1651.1Sitojun			/* not reach here */
1661.1Sitojun		}
1671.1Sitojun		return (0);
1681.1Sitojun
1691.1Sitojun	default:
1701.1Sitojun		return (EOPNOTSUPP);
1711.1Sitojun	}
1721.1Sitojun	/* NOTREACHED */
1731.1Sitojun}
1741.1Sitojun
1751.1Sitojunvoid
1761.1Sitojuncpu_reboot(howto, bootstr)
1771.1Sitojun	int howto;
1781.1Sitojun	char *bootstr;
1791.1Sitojun{
1801.37Such	static int waittime = -1;
1811.1Sitojun
1821.1Sitojun	if (cold) {
1831.1Sitojun		howto |= RB_HALT;
1841.1Sitojun		goto haltsys;
1851.1Sitojun	}
1861.1Sitojun
1871.1Sitojun	boothowto = howto;
1881.1Sitojun	if ((howto & RB_NOSYNC) == 0 && waittime < 0) {
1891.1Sitojun		waittime = 0;
1901.1Sitojun		vfs_shutdown();
1911.1Sitojun		/*
1921.1Sitojun		 * If we've been adjusting the clock, the todr
1931.1Sitojun		 * will be out of synch; adjust it now.
1941.1Sitojun		 */
1951.1Sitojun		/* resettodr(); */
1961.1Sitojun	}
1971.1Sitojun
1981.1Sitojun	/* Disable interrupts. */
1991.1Sitojun	splhigh();
2001.1Sitojun
2011.1Sitojun	/* Do a dump if requested. */
2021.1Sitojun	if ((howto & (RB_DUMP | RB_HALT)) == RB_DUMP)
2031.1Sitojun		dumpsys();
2041.1Sitojun
2051.1Sitojunhaltsys:
2061.1Sitojun	doshutdownhooks();
2071.1Sitojun
2081.1Sitojun	if (howto & RB_HALT) {
2091.1Sitojun		printf("\n");
2101.1Sitojun		printf("The operating system has halted.\n");
2111.1Sitojun		printf("Please press any key to reboot.\n\n");
2121.1Sitojun		cngetc();
2131.1Sitojun	}
2141.1Sitojun
2151.1Sitojun	printf("rebooting...\n");
2161.1Sitojun	cpu_reset();
2171.1Sitojun	for(;;)
2181.1Sitojun		;
2191.1Sitojun	/*NOTREACHED*/
2201.1Sitojun}
2211.1Sitojun
2221.1Sitojunvoid
2231.37SuchinitSH3(void *pc)	/* XXX return address */
2241.1Sitojun{
2251.43Sjdolecek	extern char _edata[], _end[];
2261.37Such	vaddr_t kernend;
2271.3Smsaitoh
2281.37Such	/* Clear bss */
2291.43Sjdolecek	memset(_edata, 0, _end - _edata);
2301.3Smsaitoh
2311.37Such	/* Initilize CPU ops. */
2321.30Such#if defined(SH3) && defined(SH4)
2331.30Such#error "don't define both SH3 and SH4"
2341.30Such#elif defined(SH3)
2351.40Such#if defined(SH7708)
2361.40Such	sh_cpu_init(CPU_ARCH_SH3, CPU_PRODUCT_7708);
2371.40Such#elif defined(SH7708S)
2381.40Such	sh_cpu_init(CPU_ARCH_SH3, CPU_PRODUCT_7708S);
2391.40Such#elif defined(SH7708R)
2401.40Such	sh_cpu_init(CPU_ARCH_SH3, CPU_PRODUCT_7708R);
2411.40Such#elif defined(SH7709)
2421.40Such	sh_cpu_init(CPU_ARCH_SH3, CPU_PRODUCT_7709);
2431.40Such#elif defined(SH7709A)
2441.40Such	sh_cpu_init(CPU_ARCH_SH3, CPU_PRODUCT_7709A);
2451.40Such#else
2461.40Such#error "unsupported SH3 variants"
2471.40Such#endif
2481.30Such#elif defined(SH4)
2491.40Such#if defined(SH7750)
2501.40Such	sh_cpu_init(CPU_ARCH_SH4, CPU_PRODUCT_7750);
2511.40Such#elif defined(SH7750S)
2521.40Such	sh_cpu_init(CPU_ARCH_SH4, CPU_PRODUCT_7750S);
2531.40Such#else
2541.40Such#error "unsupported SH4 variants"
2551.40Such#endif
2561.30Such#else
2571.30Such#error "define SH3 or SH4"
2581.30Such#endif
2591.41Such	/* Console */
2601.41Such	consinit();
2611.41Such
2621.41Such	/* Load memory to UVM */
2631.43Sjdolecek	kernend = atop(round_page(SH3_P1SEG_TO_PHYS(_end)));
2641.41Such	physmem = atop(IOM_RAM_SIZE);
2651.41Such	uvm_page_physload(
2661.41Such		kernend, atop(IOM_RAM_BEGIN + IOM_RAM_SIZE),
2671.41Such		kernend, atop(IOM_RAM_BEGIN + IOM_RAM_SIZE),
2681.41Such		VM_FREELIST_DEFAULT);
2691.40Such
2701.41Such	/* Initialize proc0 u-area */
2711.41Such	sh_proc0_init();
2721.41Such
2731.41Such	/* Initialize pmap and start to address translation */
2741.41Such	pmap_bootstrap();
2751.1Sitojun
2761.46Sragge#if NKSYMS || defined(DDB) || defined(LKM)
2771.46Sragge	ksyms_init(0, NULL, NULL);
2781.40Such#endif
2791.1Sitojun
2801.3Smsaitoh	/*
2811.3Smsaitoh	 * XXX We can't return here, because we change stack pointer.
2821.3Smsaitoh	 *     So jump to return address directly.
2831.3Smsaitoh	 */
2841.37Such	__asm __volatile (
2851.37Such		"jmp	@%0;"
2861.41Such		"mov	%1, r15"
2871.44Sthorpej		:: "r"(pc),"r"(lwp0.l_md.md_pcb->pcb_sf.sf_r7_bank));
2881.1Sitojun}
2891.1Sitojun
2901.1Sitojun/*
2911.1Sitojun * consinit:
2921.1Sitojun * initialize the system console.
2931.1Sitojun * XXX - shouldn't deal with this initted thing, but then,
2941.1Sitojun * it shouldn't be called from init386 either.
2951.1Sitojun */
2961.1Sitojunvoid
2971.1Sitojunconsinit()
2981.1Sitojun{
2991.1Sitojun	static int initted;
3001.1Sitojun
3011.1Sitojun	if (initted)
3021.1Sitojun		return;
3031.1Sitojun	initted = 1;
3041.1Sitojun
3051.1Sitojun	cninit();
3061.1Sitojun}
3071.1Sitojun
3081.1Sitojunint
3091.1Sitojunbus_space_map (t, addr, size, flags, bshp)
3101.1Sitojun	bus_space_tag_t t;
3111.1Sitojun	bus_addr_t addr;
3121.1Sitojun	bus_size_t size;
3131.1Sitojun	int flags;
3141.1Sitojun	bus_space_handle_t *bshp;
3151.1Sitojun{
3161.1Sitojun
3171.1Sitojun	*bshp = (bus_space_handle_t)addr;
3181.1Sitojun
3191.1Sitojun	return 0;
3201.1Sitojun}
3211.1Sitojun
3221.1Sitojunint
3231.1Sitojunsh_memio_subregion(t, bsh, offset, size, nbshp)
3241.1Sitojun	bus_space_tag_t t;
3251.1Sitojun	bus_space_handle_t bsh;
3261.1Sitojun	bus_size_t offset, size;
3271.1Sitojun	bus_space_handle_t *nbshp;
3281.1Sitojun{
3291.1Sitojun
3301.1Sitojun	*nbshp = bsh + offset;
3311.1Sitojun	return (0);
3321.1Sitojun}
3331.1Sitojun
3341.1Sitojunint
3351.1Sitojunsh_memio_alloc(t, rstart, rend, size, alignment, boundary, flags,
3361.1Sitojun	       bpap, bshp)
3371.1Sitojun	bus_space_tag_t t;
3381.1Sitojun	bus_addr_t rstart, rend;
3391.1Sitojun	bus_size_t size, alignment, boundary;
3401.1Sitojun	int flags;
3411.1Sitojun	bus_addr_t *bpap;
3421.1Sitojun	bus_space_handle_t *bshp;
3431.1Sitojun{
3441.1Sitojun	*bshp = *bpap = rstart;
3451.1Sitojun
3461.1Sitojun	return (0);
3471.1Sitojun}
3481.1Sitojun
3491.1Sitojunvoid
3501.1Sitojunsh_memio_free(t, bsh, size)
3511.1Sitojun	bus_space_tag_t t;
3521.1Sitojun	bus_space_handle_t bsh;
3531.1Sitojun	bus_size_t size;
3541.1Sitojun{
3551.1Sitojun
3561.1Sitojun}
3571.1Sitojun
3581.1Sitojunvoid
3591.1Sitojunsh_memio_unmap(t, bsh, size)
3601.1Sitojun	bus_space_tag_t t;
3611.1Sitojun	bus_space_handle_t bsh;
3621.1Sitojun	bus_size_t size;
3631.1Sitojun{
3641.1Sitojun	return;
3651.1Sitojun}
3661.20Smsaitoh
3671.20Smsaitoh#ifdef SH4_PCMCIA
3681.20Smsaitoh
3691.20Smsaitohint
3701.20Smsaitohshpcmcia_memio_map(t, bpa, size, flags, bshp)
3711.20Smsaitoh	bus_space_tag_t t;
3721.20Smsaitoh	bus_addr_t bpa;
3731.20Smsaitoh	bus_size_t size;
3741.20Smsaitoh	int flags;
3751.20Smsaitoh	bus_space_handle_t *bshp;
3761.20Smsaitoh{
3771.20Smsaitoh	int error;
3781.20Smsaitoh	struct extent *ex;
3791.20Smsaitoh	bus_space_tag_t pt = t & ~SH3_BUS_SPACE_PCMCIA_8BIT;
3801.20Smsaitoh
3811.20Smsaitoh	if (pt != SH3_BUS_SPACE_PCMCIA_IO &&
3821.20Smsaitoh	    pt != SH3_BUS_SPACE_PCMCIA_MEM &&
3831.20Smsaitoh	    pt != SH3_BUS_SPACE_PCMCIA_ATT) {
3841.20Smsaitoh		*bshp = (bus_space_handle_t)bpa;
3851.20Smsaitoh
3861.20Smsaitoh		return 0;
3871.20Smsaitoh	}
3881.20Smsaitoh
3891.20Smsaitoh	ex = iomem_ex;
3901.20Smsaitoh
3911.20Smsaitoh#if 0
3921.20Smsaitoh	/*
3931.20Smsaitoh	 * Before we go any further, let's make sure that this
3941.20Smsaitoh	 * region is available.
3951.20Smsaitoh	 */
3961.20Smsaitoh	error = extent_alloc_region(ex, bpa, size,
3971.20Smsaitoh				    EX_NOWAIT | EX_MALLOCOK );
3981.20Smsaitoh	if (error){
3991.20Smsaitoh		printf("sh3_pcmcia_memio_map:extent_alloc_region error\n");
4001.20Smsaitoh		return (error);
4011.20Smsaitoh	}
4021.20Smsaitoh#endif
4031.20Smsaitoh
4041.20Smsaitoh	/*
4051.20Smsaitoh	 * For memory space, map the bus physical address to
4061.20Smsaitoh	 * a kernel virtual address.
4071.20Smsaitoh	 */
4081.20Smsaitoh	error = shpcmcia_mem_add_mapping(bpa, size, (int)t, bshp );
4091.20Smsaitoh#if 0
4101.20Smsaitoh	if (error) {
4111.20Smsaitoh		if (extent_free(ex, bpa, size, EX_NOWAIT | EX_MALLOCOK )) {
4121.20Smsaitoh			printf("sh3_pcmcia_memio_map: pa 0x%lx, size 0x%lx\n",
4131.20Smsaitoh			       bpa, size);
4141.20Smsaitoh			printf("sh3_pcmcia_memio_map: can't free region\n");
4151.20Smsaitoh		}
4161.20Smsaitoh	}
4171.20Smsaitoh#endif
4181.20Smsaitoh
4191.20Smsaitoh	return (error);
4201.20Smsaitoh}
4211.20Smsaitoh
4221.20Smsaitohint
4231.20Smsaitohshpcmcia_mem_add_mapping(bpa, size, type, bshp)
4241.20Smsaitoh	bus_addr_t bpa;
4251.20Smsaitoh	bus_size_t size;
4261.20Smsaitoh	int type;
4271.20Smsaitoh	bus_space_handle_t *bshp;
4281.20Smsaitoh{
4291.20Smsaitoh	u_long pa, endpa;
4301.20Smsaitoh	vaddr_t va;
4311.20Smsaitoh	pt_entry_t *pte;
4321.20Smsaitoh	unsigned int m = 0;
4331.20Smsaitoh	int io_type = type & ~SH3_BUS_SPACE_PCMCIA_8BIT;
4341.20Smsaitoh
4351.20Smsaitoh	pa = sh3_trunc_page(bpa);
4361.20Smsaitoh	endpa = sh3_round_page(bpa + size);
4371.20Smsaitoh
4381.20Smsaitoh#ifdef DIAGNOSTIC
4391.20Smsaitoh	if (endpa <= pa)
4401.20Smsaitoh		panic("sh3_pcmcia_mem_add_mapping: overflow");
4411.20Smsaitoh#endif
4421.20Smsaitoh
4431.20Smsaitoh	va = uvm_km_valloc(kernel_map, endpa - pa);
4441.20Smsaitoh	if (va == 0){
4451.20Smsaitoh		printf("shpcmcia_add_mapping: nomem \n");
4461.20Smsaitoh		return (ENOMEM);
4471.20Smsaitoh	}
4481.20Smsaitoh
4491.20Smsaitoh	*bshp = (bus_space_handle_t)(va + (bpa & PGOFSET));
4501.20Smsaitoh
4511.29Such#define MODE(t, s)							\
4521.29Such	(t) & SH3_BUS_SPACE_PCMCIA_8BIT ?				\
4531.29Such		_PG_PCMCIA_ ## s ## 8 :					\
4541.29Such		_PG_PCMCIA_ ## s ## 16
4551.29Such	switch (io_type) {
4561.29Such	default:
4571.29Such		panic("unknown pcmcia space.");
4581.29Such		/* NOTREACHED */
4591.29Such	case SH3_BUS_SPACE_PCMCIA_IO:
4601.29Such		m = MODE(type, IO);
4611.29Such		break;
4621.29Such	case SH3_BUS_SPACE_PCMCIA_MEM:
4631.29Such		m = MODE(type, MEM);
4641.29Such		break;
4651.29Such	case SH3_BUS_SPACE_PCMCIA_ATT:
4661.29Such		m = MODE(type, ATTR);
4671.29Such		break;
4681.20Smsaitoh	}
4691.29Such#undef MODE
4701.20Smsaitoh
4711.45Sthorpej	for (; pa < endpa; pa += PAGE_SIZE, va += PAGE_SIZE) {
4721.41Such		pmap_kenter_pa(va, pa, VM_PROT_READ | VM_PROT_WRITE);
4731.41Such		pte = __pmap_kpte_lookup(va);
4741.41Such		KDASSERT(pte);
4751.41Such		*pte |= m;  /* PTEA PCMCIA assistant bit */
4761.41Such		sh_tlb_update(0, va, *pte);
4771.41Such	}
4781.20Smsaitoh
4791.20Smsaitoh	return 0;
4801.20Smsaitoh}
4811.20Smsaitoh
4821.20Smsaitohvoid
4831.20Smsaitohshpcmcia_memio_unmap(t, bsh, size)
4841.20Smsaitoh	bus_space_tag_t t;
4851.20Smsaitoh	bus_space_handle_t bsh;
4861.20Smsaitoh	bus_size_t size;
4871.20Smsaitoh{
4881.20Smsaitoh	struct extent *ex;
4891.20Smsaitoh	u_long va, endva;
4901.20Smsaitoh	bus_addr_t bpa;
4911.20Smsaitoh	bus_space_tag_t pt = t & ~SH3_BUS_SPACE_PCMCIA_8BIT;
4921.20Smsaitoh
4931.20Smsaitoh	if (pt != SH3_BUS_SPACE_PCMCIA_IO &&
4941.20Smsaitoh	    pt != SH3_BUS_SPACE_PCMCIA_MEM &&
4951.20Smsaitoh	    pt != SH3_BUS_SPACE_PCMCIA_ATT) {
4961.20Smsaitoh		return ;
4971.20Smsaitoh	}
4981.20Smsaitoh
4991.20Smsaitoh	ex = iomem_ex;
5001.20Smsaitoh
5011.20Smsaitoh	va = sh3_trunc_page(bsh);
5021.20Smsaitoh	endva = sh3_round_page(bsh + size);
5031.20Smsaitoh
5041.20Smsaitoh#ifdef DIAGNOSTIC
5051.20Smsaitoh	if (endva <= va)
5061.20Smsaitoh		panic("sh3_pcmcia_memio_unmap: overflow");
5071.20Smsaitoh#endif
5081.20Smsaitoh
5091.22Smsaitoh	pmap_extract(pmap_kernel(), va, &bpa);
5101.24Sichiro	bpa += bsh & PGOFSET;
5111.20Smsaitoh
5121.20Smsaitoh	/*
5131.20Smsaitoh	 * Free the kernel virtual mapping.
5141.20Smsaitoh	 */
5151.20Smsaitoh	uvm_km_free(kernel_map, va, endva - va);
5161.20Smsaitoh
5171.20Smsaitoh#if 0
5181.20Smsaitoh	if (extent_free(ex, bpa, size,
5191.20Smsaitoh			EX_NOWAIT | EX_MALLOCOK)) {
5201.20Smsaitoh		printf("sh3_pcmcia_memio_unmap: %s 0x%lx, size 0x%lx\n",
5211.20Smsaitoh		       "pa", bpa, size);
5221.20Smsaitoh		printf("sh3_pcmcia_memio_unmap: can't free region\n");
5231.20Smsaitoh	}
5241.20Smsaitoh#endif
5251.20Smsaitoh}
5261.20Smsaitoh
5271.20Smsaitohvoid
5281.20Smsaitohshpcmcia_memio_free(t, bsh, size)
5291.20Smsaitoh	bus_space_tag_t t;
5301.20Smsaitoh	bus_space_handle_t bsh;
5311.20Smsaitoh	bus_size_t size;
5321.20Smsaitoh{
5331.20Smsaitoh
5341.20Smsaitoh	/* sh3_pcmcia_memio_unmap() does all that we need to do. */
5351.20Smsaitoh	shpcmcia_memio_unmap(t, bsh, size);
5361.20Smsaitoh}
5371.20Smsaitoh
5381.20Smsaitohint
5391.20Smsaitohshpcmcia_memio_subregion(t, bsh, offset, size, nbshp)
5401.20Smsaitoh	bus_space_tag_t t;
5411.20Smsaitoh	bus_space_handle_t bsh;
5421.20Smsaitoh	bus_size_t offset, size;
5431.20Smsaitoh	bus_space_handle_t *nbshp;
5441.20Smsaitoh{
5451.20Smsaitoh
5461.20Smsaitoh	*nbshp = bsh + offset;
5471.20Smsaitoh	return (0);
5481.20Smsaitoh}
5491.20Smsaitoh
5501.20Smsaitoh#endif /* SH4_PCMCIA */
5511.1Sitojun
5521.18Smsaitoh#if !defined(DONT_INIT_BSC)
5531.1Sitojun/*
5541.1Sitojun * InitializeBsc
5551.1Sitojun * : BSC(Bus State Controler)
5561.1Sitojun */
5571.1Sitojunvoid InitializeBsc __P((void));
5581.1Sitojun
5591.1Sitojunvoid
5601.1SitojunInitializeBsc()
5611.1Sitojun{
5621.1Sitojun
5631.1Sitojun	/*
5641.1Sitojun	 * Drive RAS,CAS in stand by mode and bus release mode
5651.1Sitojun	 * Area0 = Normal memory, Area5,6=Normal(no burst)
5661.1Sitojun	 * Area2 = Normal memory, Area3 = SDRAM, Area5 = Normal memory
5671.1Sitojun	 * Area4 = Normal Memory
5681.1Sitojun	 * Area6 = Normal memory
5691.1Sitojun	 */
5701.33Such#if defined(SH3)
5711.33Such	_reg_write_2(SH3_BCR1, BSC_BCR1_VAL);
5721.33Such#elif defined(SH4)
5731.33Such	_reg_write_4(SH4_BCR1, BSC_BCR1_VAL);
5741.33Such#endif
5751.1Sitojun
5761.1Sitojun	/*
5771.1Sitojun	 * Bus Width
5781.1Sitojun	 * Area4: Bus width = 16bit
5791.1Sitojun	 * Area6,5 = 16bit
5801.1Sitojun	 * Area1 = 8bit
5811.1Sitojun	 * Area2,3: Bus width = 32bit
5821.1Sitojun	 */
5831.33Such	_reg_write_2(SH_(BCR2), BSC_BCR2_VAL);
5841.1Sitojun
5851.1Sitojun	/*
5861.1Sitojun	 * Idle cycle number in transition area and read to write
5871.1Sitojun	 * Area6 = 3, Area5 = 3, Area4 = 3, Area3 = 3, Area2 = 3
5881.1Sitojun	 * Area1 = 3, Area0 = 3
5891.1Sitojun	 */
5901.33Such#if defined(SH3)
5911.33Such	_reg_write_2(SH3_WCR1, BSC_WCR1_VAL);
5921.33Such#elif defined(SH4)
5931.33Such	_reg_write_4(SH4_WCR1, BSC_WCR1_VAL);
5941.33Such#endif
5951.1Sitojun
5961.1Sitojun	/*
5971.1Sitojun	 * Wait cycle
5981.1Sitojun	 * Area 6 = 6
5991.1Sitojun	 * Area 5 = 2
6001.1Sitojun	 * Area 4 = 10
6011.1Sitojun	 * Area 3 = 3
6021.1Sitojun	 * Area 2,1 = 3
6031.1Sitojun	 * Area 0 = 6
6041.1Sitojun	 */
6051.33Such#if defined(SH3)
6061.33Such	_reg_write_2(SH3_WCR2, BSC_WCR2_VAL);
6071.33Such#elif defined(SH4)
6081.33Such	_reg_write_4(SH4_WCR2, BSC_WCR2_VAL);
6091.33Such#endif
6101.1Sitojun
6111.13Smsaitoh#if defined(SH4) && defined(BSC_WCR3_VAL)
6121.33Such	_reg_write_4(SH4_WCR3, BSC_WCR3_VAL);
6131.1Sitojun#endif
6141.1Sitojun
6151.1Sitojun	/*
6161.1Sitojun	 * RAS pre-charge = 2cycle, RAS-CAS delay = 3 cycle,
6171.1Sitojun	 * write pre-charge=1cycle
6181.1Sitojun	 * CAS before RAS refresh RAS assert time = 3 cycle
6191.1Sitojun	 * Disable burst, Bus size=32bit, Column Address=10bit, Refresh ON
6201.1Sitojun	 * CAS before RAS refresh ON, EDO DRAM
6211.1Sitojun	 */
6221.33Such#if defined(SH3)
6231.33Such	_reg_write_2(SH3_MCR, BSC_MCR_VAL);
6241.33Such#elif defined(SH4)
6251.33Such	_reg_write_4(SH4_MCR, BSC_MCR_VAL);
6261.33Such#endif
6271.1Sitojun
6281.11Smsaitoh#if defined(BSC_SDMR2_VAL)
6291.33Such	_reg_write_1(BSC_SDMR2_VAL, 0);
6301.11Smsaitoh#endif
6311.11Smsaitoh
6321.11Smsaitoh#if defined(BSC_SDMR3_VAL)
6331.19Smsaitoh#if !(defined(COMPUTEXEVB) && defined(SH7709A))
6341.33Such	_reg_write_1(BSC_SDMR3_VAL, 0);
6351.1Sitojun#else
6361.33Such	_reg_write_2(0x1a000000, 0);	/* ADDSET */
6371.33Such	_reg_write_1(BSC_SDMR3_VAL, 0);
6381.33Such	_reg_write_2(0x18000000, 0);	/* ADDRST */
6391.33Such#endif /* !(COMPUTEXEVB && SH7709A) */
6401.33Such#endif /* BSC_SDMR3_VAL */
6411.1Sitojun
6421.1Sitojun	/*
6431.1Sitojun	 * PCMCIA Control Register
6441.1Sitojun	 * OE/WE assert delay 3.5 cycle
6451.1Sitojun	 * OE/WE negate-address delay 3.5 cycle
6461.1Sitojun	 */
6471.1Sitojun#ifdef BSC_PCR_VAL
6481.33Such	_reg_write_2(SH_(PCR), BSC_PCR_VAL);
6491.1Sitojun#endif
6501.1Sitojun
6511.1Sitojun	/*
6521.1Sitojun	 * Refresh Timer Control/Status Register
6531.1Sitojun	 * Disable interrupt by CMF, closk 1/16, Disable OVF interrupt
6541.1Sitojun	 * Count Limit = 1024
6551.1Sitojun	 * In following statement, the reason why high byte = 0xa5(a4 in RFCR)
6561.1Sitojun	 * is the rule of SH3 in writing these register.
6571.1Sitojun	 */
6581.33Such	_reg_write_2(SH_(RTCSR), BSC_RTCSR_VAL);
6591.1Sitojun
6601.1Sitojun	/*
6611.1Sitojun	 * Refresh Timer Counter
6621.1Sitojun	 * Initialize to 0
6631.1Sitojun	 */
6641.9Smsaitoh#ifdef BSC_RTCNT_VAL
6651.33Such	_reg_write_2(SH_(RTCNT), BSC_RTCNT_VAL);
6661.9Smsaitoh#endif
6671.1Sitojun
6681.1Sitojun	/* set Refresh Time Constant Register */
6691.33Such	_reg_write_2(SH_(RTCOR), BSC_RTCOR_VAL);
6701.1Sitojun
6711.1Sitojun	/* init Refresh Count Register */
6721.1Sitojun#ifdef BSC_RFCR_VAL
6731.33Such	_reg_write_2(SH_(RFCR), BSC_RFCR_VAL);
6741.1Sitojun#endif
6751.1Sitojun
6761.33Such	/*
6771.33Such	 * Clock Pulse Generator
6781.33Such	 */
6791.1Sitojun	/* Set Clock mode (make internal clock double speed) */
6801.33Such	_reg_write_2(SH_(FRQCR), FRQCR_VAL);
6811.1Sitojun
6821.33Such	/*
6831.33Such	 * Cache
6841.33Such	 */
6851.33Such#ifndef CACHE_DISABLE
6861.1Sitojun	/* Cache ON */
6871.33Such	_reg_write_4(SH_(CCR), 0x1);
6881.1Sitojun#endif
6891.1Sitojun}
6901.33Such#endif /* !DONT_INIT_BSC */
6911.9Smsaitoh
6921.8Smsaitoh
6931.8Smsaitoh /* XXX This value depends on physical available memory */
6941.8Smsaitoh#define OSIMAGE_BUF_ADDR	(IOM_RAM_BEGIN + 0x00400000)
6951.8Smsaitoh
6961.1Sitojunvoid
6971.3SmsaitohLoadAndReset(osimage)
6981.3Smsaitoh	char *osimage;
6991.1Sitojun{
7001.1Sitojun	void *buf_addr;
7011.1Sitojun	u_long size;
7021.1Sitojun	u_long *src;
7031.1Sitojun	u_long *dest;
7041.1Sitojun	u_long csum = 0;
7051.1Sitojun	u_long csum2 = 0;
7061.1Sitojun	u_long size2;
7071.1Sitojun
7081.3Smsaitoh	printf("LoadAndReset: copy start\n");
7091.1Sitojun	buf_addr = (void *)OSIMAGE_BUF_ADDR;
7101.1Sitojun
7111.1Sitojun	size = *(u_long *)osimage;
7121.1Sitojun	src = (u_long *)osimage;
7131.1Sitojun	dest = buf_addr;
7141.1Sitojun
7151.3Smsaitoh	size = (size + sizeof(u_long) * 2 + 3) >> 2;
7161.1Sitojun	size2 = size;
7171.1Sitojun
7181.3Smsaitoh	while (size--) {
7191.1Sitojun		csum += *src;
7201.1Sitojun		*dest++ = *src++;
7211.1Sitojun	}
7221.1Sitojun
7231.1Sitojun	dest = buf_addr;
7241.1Sitojun	while (size2--)
7251.1Sitojun		csum2 += *dest++;
7261.1Sitojun
7271.3Smsaitoh	printf("LoadAndReset: copy end[%lx,%lx]\n", csum, csum2);
7281.1Sitojun	printf("start XLoadAndReset\n");
7291.1Sitojun
7301.1Sitojun	/* mask all externel interrupt (XXX) */
7311.1Sitojun
7321.1Sitojun	XLoadAndReset(buf_addr);
7331.40Such}
7341.40Such
7351.40Suchvoid
7361.40Suchintc_intr(int ssr, int spc, int ssp)
7371.40Such{
7381.40Such	struct intc_intrhand *ih;
7391.40Such	struct clockframe cf;
7401.40Such	int s, evtcode;
7411.40Such
7421.40Such	switch (cpu_product) {
7431.40Such	case CPU_PRODUCT_7708:
7441.40Such	case CPU_PRODUCT_7708S:
7451.40Such	case CPU_PRODUCT_7708R:
7461.40Such		evtcode = _reg_read_4(SH3_INTEVT);
7471.40Such		break;
7481.40Such	case CPU_PRODUCT_7709:
7491.40Such	case CPU_PRODUCT_7709A:
7501.40Such		evtcode = _reg_read_4(SH7709_INTEVT2);
7511.40Such		break;
7521.40Such	case CPU_PRODUCT_7750:
7531.40Such	case CPU_PRODUCT_7750S:
7541.40Such		evtcode = _reg_read_4(SH4_INTEVT);
7551.40Such		break;
7561.40Such	}
7571.40Such
7581.40Such	ih = EVTCODE_IH(evtcode);
7591.40Such	KDASSERT(ih->ih_func);
7601.40Such	/*
7611.40Such	 * On entry, all interrrupts are disabled,
7621.40Such	 * and exception is enabled for P3 access. (kernel stack is P3,
7631.40Such	 * SH3 may or may not cause TLB miss when access stack.)
7641.40Such	 * Enable higher level interrupt here.
7651.40Such	 */
7661.40Such	s = _cpu_intr_resume(ih->ih_level);
7671.40Such
7681.40Such	switch (evtcode) {
7691.40Such	default:
7701.40Such		(*ih->ih_func)(ih->ih_arg);
7711.40Such		break;
7721.40Such	case SH_INTEVT_TMU0_TUNI0:
7731.40Such		cf.spc = spc;
7741.40Such		cf.ssr = ssr;
7751.40Such		cf.ssp = ssp;
7761.40Such		(*ih->ih_func)(&cf);
7771.40Such		break;
7781.40Such	case SH_INTEVT_NMI:
7791.40Such		printf("NMI ignored.\n");
7801.40Such		break;
7811.40Such	}
7821.42Such}
7831.40Such
784