| a10_gpio.c (266152) | a10_gpio.c (266274) |
|---|---|
| 1/*- 2 * Copyright (c) 2013 Ganbold Tsagaankhuu <ganbold@gmail.com> 3 * Copyright (c) 2012 Oleksandr Tymoshenko <gonzo@freebsd.org> 4 * Copyright (c) 2012 Luiz Otavio O Souza. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions --- 13 unchanged lines hidden (view full) --- 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 */ 29#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 2013 Ganbold Tsagaankhuu <ganbold@gmail.com> 3 * Copyright (c) 2012 Oleksandr Tymoshenko <gonzo@freebsd.org> 4 * Copyright (c) 2012 Luiz Otavio O Souza. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions --- 13 unchanged lines hidden (view full) --- 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 */ 29#include <sys/cdefs.h> |
| 30__FBSDID("$FreeBSD: stable/10/sys/arm/allwinner/a10_gpio.c 266152 2014-05-15 16:11:06Z ian $"); | 30__FBSDID("$FreeBSD: stable/10/sys/arm/allwinner/a10_gpio.c 266274 2014-05-16 23:27:18Z ian $"); |
| 31 32#include <sys/param.h> 33#include <sys/systm.h> 34#include <sys/bus.h> 35 36#include <sys/kernel.h> 37#include <sys/module.h> 38#include <sys/rman.h> --- 8 unchanged lines hidden (view full) --- 47#include <machine/fdt.h> 48#include <machine/intr.h> 49 50#include <dev/fdt/fdt_common.h> 51#include <dev/ofw/ofw_bus.h> 52#include <dev/ofw/ofw_bus_subr.h> 53 54#include "gpio_if.h" | 31 32#include <sys/param.h> 33#include <sys/systm.h> 34#include <sys/bus.h> 35 36#include <sys/kernel.h> 37#include <sys/module.h> 38#include <sys/rman.h> --- 8 unchanged lines hidden (view full) --- 47#include <machine/fdt.h> 48#include <machine/intr.h> 49 50#include <dev/fdt/fdt_common.h> 51#include <dev/ofw/ofw_bus.h> 52#include <dev/ofw/ofw_bus_subr.h> 53 54#include "gpio_if.h" |
| 55#include "a10_gpio.h" |
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| 55 56/* 57 * A10 have 9 banks of gpio. 58 * 32 pins per bank: 59 * PA0 - PA17 | PB0 - PB23 | PC0 - PC24 60 * PD0 - PD27 | PE0 - PE31 | PF0 - PF5 61 * PG0 - PG9 | PH0 - PH27 | PI0 - PI12 62 */ --- 34 unchanged lines hidden (view full) --- 97#define A10_GPIO_GP_INT_CFG1 0x204 98#define A10_GPIO_GP_INT_CFG2 0x208 99#define A10_GPIO_GP_INT_CFG3 0x20c 100 101#define A10_GPIO_GP_INT_CTL 0x210 102#define A10_GPIO_GP_INT_STA 0x214 103#define A10_GPIO_GP_INT_DEB 0x218 104 | 56 57/* 58 * A10 have 9 banks of gpio. 59 * 32 pins per bank: 60 * PA0 - PA17 | PB0 - PB23 | PC0 - PC24 61 * PD0 - PD27 | PE0 - PE31 | PF0 - PF5 62 * PG0 - PG9 | PH0 - PH27 | PI0 - PI12 63 */ --- 34 unchanged lines hidden (view full) --- 98#define A10_GPIO_GP_INT_CFG1 0x204 99#define A10_GPIO_GP_INT_CFG2 0x208 100#define A10_GPIO_GP_INT_CFG3 0x20c 101 102#define A10_GPIO_GP_INT_CTL 0x210 103#define A10_GPIO_GP_INT_STA 0x214 104#define A10_GPIO_GP_INT_DEB 0x218 105 |
| 106static struct a10_gpio_softc *a10_gpio_sc; 107 |
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| 105#define A10_GPIO_WRITE(_sc, _off, _val) \ 106 bus_space_write_4(_sc->sc_bst, _sc->sc_bsh, _off, _val) 107#define A10_GPIO_READ(_sc, _off) \ 108 bus_space_read_4(_sc->sc_bst, _sc->sc_bsh, _off) 109 110static uint32_t 111a10_gpio_get_function(struct a10_gpio_softc *sc, uint32_t pin) 112{ --- 355 unchanged lines hidden (view full) --- 468 sc->sc_gpio_pins[i].gp_pin = i; 469 sc->sc_gpio_pins[i].gp_caps = A10_GPIO_DEFAULT_CAPS; 470 sc->sc_gpio_pins[i].gp_flags = a10_gpio_func_flag(func); 471 } 472 sc->sc_gpio_npins = i; 473 474 device_add_child(dev, "gpioc", device_get_unit(dev)); 475 device_add_child(dev, "gpiobus", device_get_unit(dev)); | 108#define A10_GPIO_WRITE(_sc, _off, _val) \ 109 bus_space_write_4(_sc->sc_bst, _sc->sc_bsh, _off, _val) 110#define A10_GPIO_READ(_sc, _off) \ 111 bus_space_read_4(_sc->sc_bst, _sc->sc_bsh, _off) 112 113static uint32_t 114a10_gpio_get_function(struct a10_gpio_softc *sc, uint32_t pin) 115{ --- 355 unchanged lines hidden (view full) --- 471 sc->sc_gpio_pins[i].gp_pin = i; 472 sc->sc_gpio_pins[i].gp_caps = A10_GPIO_DEFAULT_CAPS; 473 sc->sc_gpio_pins[i].gp_flags = a10_gpio_func_flag(func); 474 } 475 sc->sc_gpio_npins = i; 476 477 device_add_child(dev, "gpioc", device_get_unit(dev)); 478 device_add_child(dev, "gpiobus", device_get_unit(dev)); |
| 479 480 a10_gpio_sc = sc; 481 |
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| 476 return (bus_generic_attach(dev)); 477 478fail: 479 if (sc->sc_irq_res) 480 bus_release_resource(dev, SYS_RES_IRQ, 0, sc->sc_irq_res); 481 if (sc->sc_mem_res) 482 bus_release_resource(dev, SYS_RES_MEMORY, 0, sc->sc_mem_res); 483 return (ENXIO); --- 29 unchanged lines hidden (view full) --- 513 514static driver_t a10_gpio_driver = { 515 "gpio", 516 a10_gpio_methods, 517 sizeof(struct a10_gpio_softc), 518}; 519 520DRIVER_MODULE(a10_gpio, simplebus, a10_gpio_driver, a10_gpio_devclass, 0, 0); | 482 return (bus_generic_attach(dev)); 483 484fail: 485 if (sc->sc_irq_res) 486 bus_release_resource(dev, SYS_RES_IRQ, 0, sc->sc_irq_res); 487 if (sc->sc_mem_res) 488 bus_release_resource(dev, SYS_RES_MEMORY, 0, sc->sc_mem_res); 489 return (ENXIO); --- 29 unchanged lines hidden (view full) --- 519 520static driver_t a10_gpio_driver = { 521 "gpio", 522 a10_gpio_methods, 523 sizeof(struct a10_gpio_softc), 524}; 525 526DRIVER_MODULE(a10_gpio, simplebus, a10_gpio_driver, a10_gpio_devclass, 0, 0); |
| 527 528int 529a10_emac_gpio_config(uint32_t pin) 530{ 531 struct a10_gpio_softc *sc = a10_gpio_sc; 532 533 if (sc == NULL) 534 return (ENXIO); 535 536 /* Configure pin mux settings for MII. */ 537 A10_GPIO_LOCK(sc); 538 a10_gpio_set_function(sc, pin, A10_GPIO_PULLDOWN); 539 A10_GPIO_UNLOCK(sc); 540 541 return (0); 542} |
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