1 /* $NetBSD: cpu.c,v 1.14 2009/04/05 00:04:51 uwe Exp $ */ 2 3 /*- 4 * Copyright (c) 2002 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 __KERNEL_RCSID(0, "$NetBSD: cpu.c,v 1.14 2009/04/05 00:04:51 uwe Exp $"); 31 32 #include <sys/param.h> 33 #include <sys/systm.h> 34 #include <sys/device.h> 35 #include <sys/proc.h> 36 37 #include <sh3/clock.h> 38 #include <sh3/cache.h> 39 #include <sh3/mmu.h> 40 41 #include <machine/autoconf.h> 42 43 extern struct cfdriver cpu_cd; 44 45 static int cpu_match(device_t, struct cfdata *, void *); 46 static void cpu_attach(device_t, device_t, void *); 47 48 49 CFATTACH_DECL_NEW(cpu, 0, 50 cpu_match, cpu_attach, NULL, NULL); 51 52 53 static int 54 cpu_match(device_t parent, struct cfdata *cf, void *aux) 55 { 56 struct mainbus_attach_args *ma = aux; 57 58 if (strcmp(ma->ma_name, cpu_cd.cd_name) != 0) 59 return (0); 60 61 return (1); 62 } 63 64 static void 65 cpu_attach(device_t parent, device_t self, void *aux) 66 { 67 68 #define MHZ(x) ((x) / 1000000), (((x) % 1000000) / 1000) 69 70 aprint_naive("\n"); 71 aprint_normal(": SH%d %d.%02d MHz PCLOCK %d.%02d MHz\n", 72 CPU_IS_SH3 ? 3 : 4, 73 MHZ(sh_clock_get_cpuclock()), 74 MHZ(sh_clock_get_pclock())); 75 76 #undef MHZ 77 78 sh_cache_information(); 79 sh_mmu_information(); 80 81 if (!pmf_device_register(self, NULL, NULL)) 82 aprint_error_dev(self, "unable to establish power handler\n"); 83 } 84