| timer.c (247463) | timer.c (254056) |
|---|---|
| 1/*- 2 * Copyright (c) 2012 Ganbold Tsagaankhuu <ganbold@gmail.com> 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> | 1/*- 2 * Copyright (c) 2012 Ganbold Tsagaankhuu <ganbold@gmail.com> 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/allwinner/timer.c 247463 2013-02-28 13:46:03Z mav $"); | 28__FBSDID("$FreeBSD: head/sys/arm/allwinner/timer.c 254056 2013-08-07 11:07:56Z ganbold $"); |
| 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> --- 10 unchanged lines hidden (view full) --- 47#include <dev/ofw/ofw_bus.h> 48#include <dev/ofw/ofw_bus_subr.h> 49 50#include <machine/bus.h> 51#include <machine/fdt.h> 52 53#include <sys/kdb.h> 54 | 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> --- 10 unchanged lines hidden (view full) --- 47#include <dev/ofw/ofw_bus.h> 48#include <dev/ofw/ofw_bus_subr.h> 49 50#include <machine/bus.h> 51#include <machine/fdt.h> 52 53#include <sys/kdb.h> 54 |
| 55#include "a20/a20_cpu_cfg.h" 56 |
|
| 55/** 56 * Timer registers addr 57 * 58 */ 59#define SW_TIMER_IRQ_EN_REG 0x00 60#define SW_TIMER_IRQ_STA_REG 0x04 61#define SW_TIMER0_CTRL_REG 0x10 62#define SW_TIMER0_INT_VALUE_REG 0x14 --- 16 unchanged lines hidden (view full) --- 79 device_t sc_dev; 80 struct resource *res[2]; 81 bus_space_tag_t sc_bst; 82 bus_space_handle_t sc_bsh; 83 void *sc_ih; /* interrupt handler */ 84 uint32_t sc_period; 85 uint32_t timer0_freq; 86 struct eventtimer et; | 57/** 58 * Timer registers addr 59 * 60 */ 61#define SW_TIMER_IRQ_EN_REG 0x00 62#define SW_TIMER_IRQ_STA_REG 0x04 63#define SW_TIMER0_CTRL_REG 0x10 64#define SW_TIMER0_INT_VALUE_REG 0x14 --- 16 unchanged lines hidden (view full) --- 81 device_t sc_dev; 82 struct resource *res[2]; 83 bus_space_tag_t sc_bst; 84 bus_space_handle_t sc_bsh; 85 void *sc_ih; /* interrupt handler */ 86 uint32_t sc_period; 87 uint32_t timer0_freq; 88 struct eventtimer et; |
| 89 uint8_t sc_timer_type; /* 0 for A10, 1 for A20 */ |
|
| 87}; 88 89int a10_timer_get_timerfreq(struct a10_timer_softc *); 90 91#define timer_read_4(sc, reg) \ 92 bus_space_read_4(sc->sc_bst, sc->sc_bsh, reg) 93#define timer_write_4(sc, reg, val) \ 94 bus_space_write_4(sc->sc_bst, sc->sc_bsh, reg, val) --- 26 unchanged lines hidden (view full) --- 121 { -1, 0 } 122}; 123 124static uint64_t 125timer_read_counter64(void) 126{ 127 uint32_t lo, hi; 128 | 90}; 91 92int a10_timer_get_timerfreq(struct a10_timer_softc *); 93 94#define timer_read_4(sc, reg) \ 95 bus_space_read_4(sc->sc_bst, sc->sc_bsh, reg) 96#define timer_write_4(sc, reg, val) \ 97 bus_space_write_4(sc->sc_bst, sc->sc_bsh, reg, val) --- 26 unchanged lines hidden (view full) --- 124 { -1, 0 } 125}; 126 127static uint64_t 128timer_read_counter64(void) 129{ 130 uint32_t lo, hi; 131 |
| 132 /* In case of A20 get appropriate counter info */ 133 if (a10_timer_sc->sc_timer_type) 134 return (a20_read_counter64()); 135 |
|
| 129 /* Latch counter, wait for it to be ready to read. */ 130 timer_write_4(a10_timer_sc, CNT64_CTRL_REG, CNT64_RL_EN); 131 while (timer_read_4(a10_timer_sc, CNT64_CTRL_REG) & CNT64_RL_EN) 132 continue; 133 134 hi = timer_read_4(a10_timer_sc, SW_COUNTER64HI_REG); 135 lo = timer_read_4(a10_timer_sc, SW_COUNTER64LO_REG); 136 137 return (((uint64_t)hi << 32) | lo); 138} 139 140static int 141a10_timer_probe(device_t dev) 142{ | 136 /* Latch counter, wait for it to be ready to read. */ 137 timer_write_4(a10_timer_sc, CNT64_CTRL_REG, CNT64_RL_EN); 138 while (timer_read_4(a10_timer_sc, CNT64_CTRL_REG) & CNT64_RL_EN) 139 continue; 140 141 hi = timer_read_4(a10_timer_sc, SW_COUNTER64HI_REG); 142 lo = timer_read_4(a10_timer_sc, SW_COUNTER64LO_REG); 143 144 return (((uint64_t)hi << 32) | lo); 145} 146 147static int 148a10_timer_probe(device_t dev) 149{ |
| 150 struct a10_timer_softc *sc; |
|
| 143 | 151 |
| 144 if (!ofw_bus_is_compatible(dev, "allwinner,sun4i-timer")) | 152 sc = device_get_softc(dev); 153 154 if (ofw_bus_is_compatible(dev, "allwinner,sun4i-timer")) 155 sc->sc_timer_type = 0; 156 else if (ofw_bus_is_compatible(dev, "allwinner,sun7i-timer")) 157 sc->sc_timer_type = 1; 158 else |
| 145 return (ENXIO); 146 | 159 return (ENXIO); 160 |
| 147 device_set_desc(dev, "Allwinner A10 timer"); | 161 device_set_desc(dev, "Allwinner A10/A20 timer"); |
| 148 return (BUS_PROBE_DEFAULT); 149} 150 151static int 152a10_timer_attach(device_t dev) 153{ 154 struct a10_timer_softc *sc; 155 int err; --- 215 unchanged lines hidden --- | 162 return (BUS_PROBE_DEFAULT); 163} 164 165static int 166a10_timer_attach(device_t dev) 167{ 168 struct a10_timer_softc *sc; 169 int err; --- 215 unchanged lines hidden --- |