| acpi_timer.c (81096) | acpi_timer.c (81172) |
|---|---|
| 1/*- 2 * Copyright (c) 2000, 2001 Michael Smith 3 * Copyright (c) 2000 BSDi 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: --- 10 unchanged lines hidden (view full) --- 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * | 1/*- 2 * Copyright (c) 2000, 2001 Michael Smith 3 * Copyright (c) 2000 BSDi 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: --- 10 unchanged lines hidden (view full) --- 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * |
| 27 * $FreeBSD: head/sys/dev/acpica/acpi_timer.c 81096 2001-08-03 09:52:53Z msmith $ | 27 * $FreeBSD: head/sys/dev/acpica/acpi_timer.c 81172 2001-08-05 23:20:32Z msmith $ |
| 28 */ 29#include "opt_acpi.h" 30#include <sys/param.h> 31#include <sys/bus.h> 32#include <sys/kernel.h> 33#include <sys/sysctl.h> 34#include <sys/timetc.h> 35 --- 276 unchanged lines hidden (view full) --- 312/* 313 * Look at PCI devices going past; if we detect one we know contains 314 * a functional ACPI timer device, enable the faster timecounter read 315 * routine. 316 */ 317static int 318acpi_timer_pci_probe(device_t dev) 319{ | 28 */ 29#include "opt_acpi.h" 30#include <sys/param.h> 31#include <sys/bus.h> 32#include <sys/kernel.h> 33#include <sys/sysctl.h> 34#include <sys/timetc.h> 35 --- 276 unchanged lines hidden (view full) --- 312/* 313 * Look at PCI devices going past; if we detect one we know contains 314 * a functional ACPI timer device, enable the faster timecounter read 315 * routine. 316 */ 317static int 318acpi_timer_pci_probe(device_t dev) 319{ |
| 320 if ((pci_get_vendor(dev) == 0x8086) && 321 (pci_get_device(dev) == 0x7113) && 322 (pci_get_revid(dev) >= 0x03)) { | 320 int vendor, device, revid; 321 322 vendor = pci_get_vendor(dev); 323 device = pci_get_device(dev); 324 revid = pci_get_revid(dev); 325 326 if (((vendor == 0x8086) && (device == 0x7113) && (revid >= 0x03)) || /* PIIX4M */ 327 ((vendor == 0x8086) && (device == 0x719b)) || /* i440MX */ 328 0) { 329 |
| 323 acpi_timer_timecounter.tc_get_timecount = acpi_timer_get_timecount; | 330 acpi_timer_timecounter.tc_get_timecount = acpi_timer_get_timecount; |
| 324 acpi_timer_timecounter.tc_name = "ACPI-PIIX4M"; | 331 acpi_timer_timecounter.tc_name = "ACPI-fast"; |
| 325 if (bootverbose) | 332 if (bootverbose) |
| 326 device_printf(acpi_timer_dev, "PIIX4M or later detected, enabling ACPI timer optimisation\n"); | 333 device_printf(acpi_timer_dev, "functional ACPI timer detected, enabling fast timecount interface\n"); |
| 327 } 328 329 return(ENXIO); /* we never match anything */ 330} | 334 } 335 336 return(ENXIO); /* we never match anything */ 337} |