1/*- 2 * Copyright (c) 2006-2008 Bruce M. Simpson 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions, and the following disclaimer, 10 * without modification, immediately at the beginning of the file. 11 * 2. The name of the author may not be used to endorse or promote products 12 * derived from this software without specific prior written permission. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 18 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 */ 27 28#include <sys/cdefs.h> 29__FBSDID("$FreeBSD: releng/10.3/sys/mips/malta/yamon.c 254944 2013-08-27 01:08:55Z gonzo $"); 30 31#include <sys/param.h> 32#include <sys/systm.h> 33 34#include <mips/malta/yamon.h> 35 36char * 37yamon_getenv(char *name) 38{ 39 char *value; 40 yamon_env_t *p; 41 42 value = NULL; 43 for (p = *fenvp; p->name != NULL; ++p) { 44 if (!strcmp(name, p->name)) { 45 value = p->value; 46 break; 47 } 48 } 49 50 return (value); 51} 52 53uint32_t 54yamon_getcpufreq(void) 55{ 56 uint32_t freq; 57 int ret; 58 59 freq = 0; 60 ret = YAMON_SYSCON_READ(SYSCON_BOARD_CPU_CLOCK_FREQ_ID, &freq, 61 sizeof(freq)); 62 if (ret != 0) 63 freq = 0; 64 65 return (freq); 66} 67