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