| am335x_dmtpps.c (314506) | am335x_dmtpps.c (314512) |
|---|---|
| 1/*- 2 * Copyright (c) 2015 Ian lepore <ian@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 --- 27 unchanged lines hidden (view full) --- 36 * to see if a new counter value has been latched. When a new value has been 37 * latched, the only processing done in the poll routine is to capture the 38 * current set of timecounter timehands (done with pps_capture()) and the 39 * latched value from the timer. The remaining work (done by pps_event() while 40 * holding a mutex) is scheduled to be done later in a non-interrupt context. 41 */ 42 43#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 2015 Ian lepore <ian@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 --- 27 unchanged lines hidden (view full) --- 36 * to see if a new counter value has been latched. When a new value has been 37 * latched, the only processing done in the poll routine is to capture the 38 * current set of timecounter timehands (done with pps_capture()) and the 39 * latched value from the timer. The remaining work (done by pps_event() while 40 * holding a mutex) is scheduled to be done later in a non-interrupt context. 41 */ 42 43#include <sys/cdefs.h> |
| 44__FBSDID("$FreeBSD: stable/11/sys/arm/ti/am335x/am335x_dmtpps.c 314506 2017-03-01 19:55:04Z ian $"); | 44__FBSDID("$FreeBSD: stable/11/sys/arm/ti/am335x/am335x_dmtpps.c 314512 2017-03-01 21:11:36Z ian $"); |
| 45 46#include <sys/param.h> 47#include <sys/systm.h> 48#include <sys/bus.h> 49#include <sys/conf.h> 50#include <sys/kernel.h> 51#include <sys/module.h> 52#include <sys/malloc.h> --- 405 unchanged lines hidden (view full) --- 458 if (sc->mem_res == NULL) { 459 return (ENXIO); 460 } 461 462 /* Figure out which hardware timer this is and set the name string. */ 463 sc->tmr_num = ti_hwmods_get_unit(dev, "timer"); 464 snprintf(sc->tmr_name, sizeof(sc->tmr_name), "DMTimer%d", sc->tmr_num); 465 | 45 46#include <sys/param.h> 47#include <sys/systm.h> 48#include <sys/bus.h> 49#include <sys/conf.h> 50#include <sys/kernel.h> 51#include <sys/module.h> 52#include <sys/malloc.h> --- 405 unchanged lines hidden (view full) --- 458 if (sc->mem_res == NULL) { 459 return (ENXIO); 460 } 461 462 /* Figure out which hardware timer this is and set the name string. */ 463 sc->tmr_num = ti_hwmods_get_unit(dev, "timer"); 464 snprintf(sc->tmr_name, sizeof(sc->tmr_name), "DMTimer%d", sc->tmr_num); 465 |
| 466 /* 467 * Configure the timer pulse/capture pin to input/capture mode. This is 468 * required in addition to configuring the pin as input with the pinmux 469 * controller (which was done via fdt data or tunable at probe time). 470 */ 471 sc->tclr = DMT_TCLR_GPO_CFG; 472 DMTIMER_WRITE4(sc, DMT_TCLR, sc->tclr); 473 |
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| 466 /* Set up timecounter hardware, start it. */ 467 DMTIMER_WRITE4(sc, DMT_TSICR, DMT_TSICR_RESET); 468 while (DMTIMER_READ4(sc, DMT_TIOCP_CFG) & DMT_TIOCP_RESET) 469 continue; 470 471 sc->tclr |= DMT_TCLR_START | DMT_TCLR_AUTOLOAD; 472 DMTIMER_WRITE4(sc, DMT_TLDR, 0); 473 DMTIMER_WRITE4(sc, DMT_TCRR, 0); --- 76 unchanged lines hidden --- | 474 /* Set up timecounter hardware, start it. */ 475 DMTIMER_WRITE4(sc, DMT_TSICR, DMT_TSICR_RESET); 476 while (DMTIMER_READ4(sc, DMT_TIOCP_CFG) & DMT_TIOCP_RESET) 477 continue; 478 479 sc->tclr |= DMT_TCLR_START | DMT_TCLR_AUTOLOAD; 480 DMTIMER_WRITE4(sc, DMT_TLDR, 0); 481 DMTIMER_WRITE4(sc, DMT_TCRR, 0); --- 76 unchanged lines hidden --- |