1/*- 2 * Copyright (c) 2011 Jakub Wojciech Klama <jceel@FreeBSD.org> 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 --- 11 unchanged lines hidden (view full) --- 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#include <sys/cdefs.h> |
28__FBSDID("$FreeBSD: head/sys/arm/lpc/lpc_timer.c 262534 2014-02-26 22:06:10Z ian $"); |
29 30#include <sys/param.h> 31#include <sys/systm.h> 32#include <sys/bus.h> 33#include <sys/kernel.h> 34#include <sys/module.h> 35#include <sys/malloc.h> 36#include <sys/rman.h> --- 238 unchanged lines hidden (view full) --- 275 276static unsigned 277lpc_get_timecount(struct timecounter *tc) 278{ 279 return timer1_read_4(timer_softc, LPC_TIMER_TC); 280} 281 282void |
283DELAY(int usec) 284{ 285 uint32_t counter; 286 uint32_t first, last; 287 int val = (lpc_timecounter.tc_frequency / 1000000 + 1) * usec; 288 289 /* Timer is not initialized yet */ 290 if (!lpc_timer_initialized) { --- 18 unchanged lines hidden --- |