Index: head/sys/arm/allwinner/a10_clk.c =================================================================== --- head/sys/arm/allwinner/a10_clk.c (revision 262707) +++ head/sys/arm/allwinner/a10_clk.c (revision 262708) @@ -1,175 +1,191 @@ /*- * Copyright (c) 2013 Ganbold Tsagaankhuu * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ /* Simple clock driver for Allwinner A10 */ #include __FBSDID("$FreeBSD$"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "a10_clk.h" struct a10_ccm_softc { struct resource *res; bus_space_tag_t bst; bus_space_handle_t bsh; }; static struct a10_ccm_softc *a10_ccm_sc = NULL; #define ccm_read_4(sc, reg) \ bus_space_read_4((sc)->bst, (sc)->bsh, (reg)) #define ccm_write_4(sc, reg, val) \ bus_space_write_4((sc)->bst, (sc)->bsh, (reg), (val)) static int a10_ccm_probe(device_t dev) { if (!ofw_bus_status_okay(dev)) return (ENXIO); if (ofw_bus_is_compatible(dev, "allwinner,sun4i-ccm")) { device_set_desc(dev, "Allwinner Clock Control Module"); return(BUS_PROBE_DEFAULT); } return (ENXIO); } static int a10_ccm_attach(device_t dev) { struct a10_ccm_softc *sc = device_get_softc(dev); int rid = 0; if (a10_ccm_sc) return (ENXIO); sc->res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE); if (!sc->res) { device_printf(dev, "could not allocate resource\n"); return (ENXIO); } sc->bst = rman_get_bustag(sc->res); sc->bsh = rman_get_bushandle(sc->res); a10_ccm_sc = sc; return (0); } static device_method_t a10_ccm_methods[] = { DEVMETHOD(device_probe, a10_ccm_probe), DEVMETHOD(device_attach, a10_ccm_attach), { 0, 0 } }; static driver_t a10_ccm_driver = { "a10_ccm", a10_ccm_methods, sizeof(struct a10_ccm_softc), }; static devclass_t a10_ccm_devclass; DRIVER_MODULE(a10_ccm, simplebus, a10_ccm_driver, a10_ccm_devclass, 0, 0); int a10_clk_usb_activate(void) { struct a10_ccm_softc *sc = a10_ccm_sc; uint32_t reg_value; if (sc == NULL) - return ENXIO; + return (ENXIO); /* Gating AHB clock for USB */ reg_value = ccm_read_4(sc, CCM_AHB_GATING0); reg_value |= CCM_AHB_GATING_USB0; /* AHB clock gate usb0 */ reg_value |= CCM_AHB_GATING_EHCI0; /* AHB clock gate ehci1 */ reg_value |= CCM_AHB_GATING_EHCI1; /* AHB clock gate ehci1 */ ccm_write_4(sc, CCM_AHB_GATING0, reg_value); /* Enable clock for USB */ reg_value = ccm_read_4(sc, CCM_USB_CLK); reg_value |= CCM_USB_PHY; /* USBPHY */ reg_value |= CCM_USB0_RESET; /* disable reset for USB0 */ reg_value |= CCM_USB1_RESET; /* disable reset for USB1 */ reg_value |= CCM_USB2_RESET; /* disable reset for USB2 */ ccm_write_4(sc, CCM_USB_CLK, reg_value); return (0); } int a10_clk_usb_deactivate(void) { struct a10_ccm_softc *sc = a10_ccm_sc; uint32_t reg_value; if (sc == NULL) - return ENXIO; + return (ENXIO); /* Disable clock for USB */ reg_value = ccm_read_4(sc, CCM_USB_CLK); reg_value &= ~CCM_USB_PHY; /* USBPHY */ reg_value &= ~CCM_USB0_RESET; /* reset for USB0 */ reg_value &= ~CCM_USB1_RESET; /* reset for USB1 */ reg_value &= ~CCM_USB2_RESET; /* reset for USB2 */ ccm_write_4(sc, CCM_USB_CLK, reg_value); /* Disable gating AHB clock for USB */ reg_value = ccm_read_4(sc, CCM_AHB_GATING0); reg_value &= ~CCM_AHB_GATING_USB0; /* disable AHB clock gate usb0 */ reg_value &= ~CCM_AHB_GATING_EHCI1; /* disable AHB clock gate ehci1 */ + ccm_write_4(sc, CCM_AHB_GATING0, reg_value); + + return (0); +} + +int +a10_clk_emac_activate(void) { + struct a10_ccm_softc *sc = a10_ccm_sc; + uint32_t reg_value; + + if (sc == NULL) + return (ENXIO); + + /* Gating AHB clock for EMAC */ + reg_value = ccm_read_4(sc, CCM_AHB_GATING0); + reg_value |= CCM_AHB_GATING_EMAC; ccm_write_4(sc, CCM_AHB_GATING0, reg_value); return (0); } Index: head/sys/arm/allwinner/a10_clk.h =================================================================== --- head/sys/arm/allwinner/a10_clk.h (revision 262707) +++ head/sys/arm/allwinner/a10_clk.h (revision 262708) @@ -1,115 +1,117 @@ /*- * Copyright (c) 2013 Ganbold Tsagaankhuu * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $FreeBSD$ */ #ifndef _A10_CLK_H_ #define _A10_CLK_H_ #define CCMU_BASE 0xe1c20000 #define CCM_PLL1_CFG 0x0000 #define CCM_PLL1_TUN 0x0004 #define CCM_PLL2_CFG 0x0008 #define CCM_PLL2_TUN 0x000c #define CCM_PLL3_CFG 0x0010 #define CCM_PLL3_TUN 0x0014 #define CCM_PLL4_CFG 0x0018 #define CCM_PLL4_TUN 0x001c #define CCM_PLL5_CFG 0x0020 #define CCM_PLL5_TUN 0x0024 #define CCM_PLL6_CFG 0x0028 #define CCM_PLL6_TUN 0x002c #define CCM_PLL7_CFG 0x0030 #define CCM_PLL7_TUN 0x0034 #define CCM_PLL1_TUN2 0x0038 #define CCM_PLL5_TUN2 0x003c #define CCM_PLL_LOCK_DBG 0x004c #define CCM_OSC24M_CFG 0x0050 #define CCM_CPU_AHB_APB0_CFG 0x0054 #define CCM_APB1_CLK_DIV 0x0058 #define CCM_AXI_GATING 0x005c #define CCM_AHB_GATING0 0x0060 #define CCM_AHB_GATING1 0x0064 #define CCM_APB0_GATING 0x0068 #define CCM_APB1_GATING 0x006c #define CCM_NAND_SCLK_CFG 0x0080 #define CCM_MS_SCLK_CFG 0x0084 #define CCM_MMC0_SCLK_CFG 0x0088 #define CCM_MMC1_SCLK_CFG 0x008c #define CCM_MMC2_SCLK_CFG 0x0090 #define CCM_MMC3_SCLK_CFG 0x0094 #define CCM_TS_CLK 0x0098 #define CCM_SS_CLK 0x009c #define CCM_SPI0_CLK 0x00a0 #define CCM_SPI1_CLK 0x00a4 #define CCM_SPI2_CLK 0x00a8 #define CCM_PATA_CLK 0x00ac #define CCM_IR0_CLK 0x00b0 #define CCM_IR1_CLK 0x00b4 #define CCM_IIS_CLK 0x00b8 #define CCM_AC97_CLK 0x00bc #define CCM_SPDIF_CLK 0x00c0 #define CCM_KEYPAD_CLK 0x00c4 #define CCM_SATA_CLK 0x00c8 #define CCM_USB_CLK 0x00cc #define CCM_GPS_CLK 0x00d0 #define CCM_SPI3_CLK 0x00d4 #define CCM_DRAM_CLK 0x0100 #define CCM_BE0_SCLK 0x0104 #define CCM_BE1_SCLK 0x0108 #define CCM_FE0_CLK 0x010c #define CCM_FE1_CLK 0x0110 #define CCM_MP_CLK 0x0114 #define CCM_LCD0_CH0_CLK 0x0118 #define CCM_LCD1_CH0_CLK 0x011c #define CCM_CSI_ISP_CLK 0x0120 #define CCM_TVD_CLK 0x0128 #define CCM_LCD0_CH1_CLK 0x012c #define CCM_LCD1_CH1_CLK 0x0130 #define CCM_CS0_CLK 0x0134 #define CCM_CS1_CLK 0x0138 #define CCM_VE_CLK 0x013c #define CCM_AUDIO_CODEC_CLK 0x0140 #define CCM_AVS_CLK 0x0144 #define CCM_ACE_CLK 0x0148 #define CCM_LVDS_CLK 0x014c #define CCM_HDMI_CLK 0x0150 #define CCM_MALI400_CLK 0x0154 #define CCM_AHB_GATING_USB0 (1 << 0) #define CCM_AHB_GATING_EHCI0 (1 << 1) #define CCM_AHB_GATING_EHCI1 (1 << 3) +#define CCM_AHB_GATING_EMAC (1 << 17) #define CCM_USB_PHY (1 << 8) #define CCM_USB0_RESET (1 << 0) #define CCM_USB1_RESET (1 << 1) #define CCM_USB2_RESET (1 << 2) int a10_clk_usb_activate(void); int a10_clk_usb_deactivate(void); +int a10_clk_emac_activate(void); #endif /* _A10_CLK_H_ */ Index: head/sys/arm/allwinner/a10_gpio.c =================================================================== --- head/sys/arm/allwinner/a10_gpio.c (revision 262707) +++ head/sys/arm/allwinner/a10_gpio.c (revision 262708) @@ -1,520 +1,542 @@ /*- * Copyright (c) 2013 Ganbold Tsagaankhuu * Copyright (c) 2012 Oleksandr Tymoshenko * Copyright (c) 2012 Luiz Otavio O Souza. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * */ #include __FBSDID("$FreeBSD$"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "gpio_if.h" +#include "a10_gpio.h" /* * A10 have 9 banks of gpio. * 32 pins per bank: * PA0 - PA17 | PB0 - PB23 | PC0 - PC24 * PD0 - PD27 | PE0 - PE31 | PF0 - PF5 * PG0 - PG9 | PH0 - PH27 | PI0 - PI12 */ #define A10_GPIO_PINS 288 #define A10_GPIO_DEFAULT_CAPS (GPIO_PIN_INPUT | GPIO_PIN_OUTPUT | \ GPIO_PIN_PULLUP | GPIO_PIN_PULLDOWN) #define A10_GPIO_NONE 0 #define A10_GPIO_PULLUP 1 #define A10_GPIO_PULLDOWN 2 #define A10_GPIO_INPUT 0 #define A10_GPIO_OUTPUT 1 struct a10_gpio_softc { device_t sc_dev; struct mtx sc_mtx; struct resource * sc_mem_res; struct resource * sc_irq_res; bus_space_tag_t sc_bst; bus_space_handle_t sc_bsh; void * sc_intrhand; int sc_gpio_npins; struct gpio_pin sc_gpio_pins[A10_GPIO_PINS]; }; #define A10_GPIO_LOCK(_sc) mtx_lock(&_sc->sc_mtx) #define A10_GPIO_UNLOCK(_sc) mtx_unlock(&_sc->sc_mtx) #define A10_GPIO_LOCK_ASSERT(_sc) mtx_assert(&_sc->sc_mtx, MA_OWNED) #define A10_GPIO_GP_CFG(_bank, _pin) 0x00 + ((_bank) * 0x24) + ((_pin)<<2) #define A10_GPIO_GP_DAT(_bank) 0x10 + ((_bank) * 0x24) #define A10_GPIO_GP_DRV(_bank, _pin) 0x14 + ((_bank) * 0x24) + ((_pin)<<2) #define A10_GPIO_GP_PUL(_bank, _pin) 0x1c + ((_bank) * 0x24) + ((_pin)<<2) #define A10_GPIO_GP_INT_CFG0 0x200 #define A10_GPIO_GP_INT_CFG1 0x204 #define A10_GPIO_GP_INT_CFG2 0x208 #define A10_GPIO_GP_INT_CFG3 0x20c #define A10_GPIO_GP_INT_CTL 0x210 #define A10_GPIO_GP_INT_STA 0x214 #define A10_GPIO_GP_INT_DEB 0x218 +static struct a10_gpio_softc *a10_gpio_sc; + #define A10_GPIO_WRITE(_sc, _off, _val) \ bus_space_write_4(_sc->sc_bst, _sc->sc_bsh, _off, _val) #define A10_GPIO_READ(_sc, _off) \ bus_space_read_4(_sc->sc_bst, _sc->sc_bsh, _off) static uint32_t a10_gpio_get_function(struct a10_gpio_softc *sc, uint32_t pin) { uint32_t bank, func, offset; bank = pin / 32; pin = pin - 32 * bank; func = pin >> 3; offset = ((pin & 0x07) << 2); A10_GPIO_LOCK(sc); func = (A10_GPIO_READ(sc, A10_GPIO_GP_CFG(bank, func)) >> offset) & 7; A10_GPIO_UNLOCK(sc); return (func); } static uint32_t a10_gpio_func_flag(uint32_t nfunc) { switch (nfunc) { case A10_GPIO_INPUT: return (GPIO_PIN_INPUT); case A10_GPIO_OUTPUT: return (GPIO_PIN_OUTPUT); } return (0); } static void a10_gpio_set_function(struct a10_gpio_softc *sc, uint32_t pin, uint32_t f) { uint32_t bank, func, data, offset; /* Must be called with lock held. */ A10_GPIO_LOCK_ASSERT(sc); bank = pin / 32; pin = pin - 32 * bank; func = pin >> 3; offset = ((pin & 0x07) << 2); data = A10_GPIO_READ(sc, A10_GPIO_GP_CFG(bank, func)); data &= ~(7 << offset); data |= (f << offset); A10_GPIO_WRITE(sc, A10_GPIO_GP_CFG(bank, func), data); } static void a10_gpio_set_pud(struct a10_gpio_softc *sc, uint32_t pin, uint32_t state) { uint32_t bank, offset, pull, val; /* Must be called with lock held. */ A10_GPIO_LOCK_ASSERT(sc); bank = pin / 32; pin = pin - 32 * bank; pull = pin >> 4; offset = ((pin & 0x0f) << 1); val = A10_GPIO_READ(sc, A10_GPIO_GP_PUL(bank, pull)); val &= ~(0x03 << offset); val |= (state << offset); A10_GPIO_WRITE(sc, A10_GPIO_GP_PUL(bank, pull), val); } static void a10_gpio_pin_configure(struct a10_gpio_softc *sc, struct gpio_pin *pin, unsigned int flags) { A10_GPIO_LOCK(sc); /* * Manage input/output. */ if (flags & (GPIO_PIN_INPUT|GPIO_PIN_OUTPUT)) { pin->gp_flags &= ~(GPIO_PIN_INPUT|GPIO_PIN_OUTPUT); if (flags & GPIO_PIN_OUTPUT) { pin->gp_flags |= GPIO_PIN_OUTPUT; a10_gpio_set_function(sc, pin->gp_pin, A10_GPIO_OUTPUT); } else { pin->gp_flags |= GPIO_PIN_INPUT; a10_gpio_set_function(sc, pin->gp_pin, A10_GPIO_INPUT); } } /* Manage Pull-up/pull-down. */ pin->gp_flags &= ~(GPIO_PIN_PULLUP|GPIO_PIN_PULLDOWN); if (flags & (GPIO_PIN_PULLUP|GPIO_PIN_PULLDOWN)) { if (flags & GPIO_PIN_PULLUP) { pin->gp_flags |= GPIO_PIN_PULLUP; a10_gpio_set_pud(sc, pin->gp_pin, A10_GPIO_PULLUP); } else { pin->gp_flags |= GPIO_PIN_PULLDOWN; a10_gpio_set_pud(sc, pin->gp_pin, A10_GPIO_PULLDOWN); } } else a10_gpio_set_pud(sc, pin->gp_pin, A10_GPIO_NONE); A10_GPIO_UNLOCK(sc); } static int a10_gpio_pin_max(device_t dev, int *maxpin) { *maxpin = A10_GPIO_PINS - 1; return (0); } static int a10_gpio_pin_getcaps(device_t dev, uint32_t pin, uint32_t *caps) { struct a10_gpio_softc *sc = device_get_softc(dev); int i; for (i = 0; i < sc->sc_gpio_npins; i++) { if (sc->sc_gpio_pins[i].gp_pin == pin) break; } if (i >= sc->sc_gpio_npins) return (EINVAL); A10_GPIO_LOCK(sc); *caps = sc->sc_gpio_pins[i].gp_caps; A10_GPIO_UNLOCK(sc); return (0); } static int a10_gpio_pin_getflags(device_t dev, uint32_t pin, uint32_t *flags) { struct a10_gpio_softc *sc = device_get_softc(dev); int i; for (i = 0; i < sc->sc_gpio_npins; i++) { if (sc->sc_gpio_pins[i].gp_pin == pin) break; } if (i >= sc->sc_gpio_npins) return (EINVAL); A10_GPIO_LOCK(sc); *flags = sc->sc_gpio_pins[i].gp_flags; A10_GPIO_UNLOCK(sc); return (0); } static int a10_gpio_pin_getname(device_t dev, uint32_t pin, char *name) { struct a10_gpio_softc *sc = device_get_softc(dev); int i; for (i = 0; i < sc->sc_gpio_npins; i++) { if (sc->sc_gpio_pins[i].gp_pin == pin) break; } if (i >= sc->sc_gpio_npins) return (EINVAL); A10_GPIO_LOCK(sc); memcpy(name, sc->sc_gpio_pins[i].gp_name, GPIOMAXNAME); A10_GPIO_UNLOCK(sc); return (0); } static int a10_gpio_pin_setflags(device_t dev, uint32_t pin, uint32_t flags) { struct a10_gpio_softc *sc = device_get_softc(dev); int i; for (i = 0; i < sc->sc_gpio_npins; i++) { if (sc->sc_gpio_pins[i].gp_pin == pin) break; } if (i >= sc->sc_gpio_npins) return (EINVAL); /* Check for unwanted flags. */ if ((flags & sc->sc_gpio_pins[i].gp_caps) != flags) return (EINVAL); /* Can't mix input/output together. */ if ((flags & (GPIO_PIN_INPUT|GPIO_PIN_OUTPUT)) == (GPIO_PIN_INPUT|GPIO_PIN_OUTPUT)) return (EINVAL); /* Can't mix pull-up/pull-down together. */ if ((flags & (GPIO_PIN_PULLUP|GPIO_PIN_PULLDOWN)) == (GPIO_PIN_PULLUP|GPIO_PIN_PULLDOWN)) return (EINVAL); a10_gpio_pin_configure(sc, &sc->sc_gpio_pins[i], flags); return (0); } static int a10_gpio_pin_set(device_t dev, uint32_t pin, unsigned int value) { struct a10_gpio_softc *sc = device_get_softc(dev); uint32_t bank, offset, data; int i; for (i = 0; i < sc->sc_gpio_npins; i++) { if (sc->sc_gpio_pins[i].gp_pin == pin) break; } if (i >= sc->sc_gpio_npins) return (EINVAL); bank = pin / 32; pin = pin - 32 * bank; offset = pin & 0x1f; A10_GPIO_LOCK(sc); data = A10_GPIO_READ(sc, A10_GPIO_GP_DAT(bank)); if (value) data |= (1 << offset); else data &= ~(1 << offset); A10_GPIO_WRITE(sc, A10_GPIO_GP_DAT(bank), data); A10_GPIO_UNLOCK(sc); return (0); } static int a10_gpio_pin_get(device_t dev, uint32_t pin, unsigned int *val) { struct a10_gpio_softc *sc = device_get_softc(dev); uint32_t bank, offset, reg_data; int i; for (i = 0; i < sc->sc_gpio_npins; i++) { if (sc->sc_gpio_pins[i].gp_pin == pin) break; } if (i >= sc->sc_gpio_npins) return (EINVAL); bank = pin / 32; pin = pin - 32 * bank; offset = pin & 0x1f; A10_GPIO_LOCK(sc); reg_data = A10_GPIO_READ(sc, A10_GPIO_GP_DAT(bank)); A10_GPIO_UNLOCK(sc); *val = (reg_data & (1 << offset)) ? 1 : 0; return (0); } static int a10_gpio_pin_toggle(device_t dev, uint32_t pin) { struct a10_gpio_softc *sc = device_get_softc(dev); uint32_t bank, data, offset; int i; for (i = 0; i < sc->sc_gpio_npins; i++) { if (sc->sc_gpio_pins[i].gp_pin == pin) break; } if (i >= sc->sc_gpio_npins) return (EINVAL); bank = pin / 32; pin = pin - 32 * bank; offset = pin & 0x1f; A10_GPIO_LOCK(sc); data = A10_GPIO_READ(sc, A10_GPIO_GP_DAT(bank)); if (data & (1 << offset)) data &= ~(1 << offset); else data |= (1 << offset); A10_GPIO_WRITE(sc, A10_GPIO_GP_DAT(bank), data); A10_GPIO_UNLOCK(sc); return (0); } static int a10_gpio_probe(device_t dev) { if (!ofw_bus_status_okay(dev)) return (ENXIO); if (!ofw_bus_is_compatible(dev, "allwinner,sun4i-gpio")) return (ENXIO); device_set_desc(dev, "Allwinner GPIO controller"); return (BUS_PROBE_DEFAULT); } static int a10_gpio_attach(device_t dev) { struct a10_gpio_softc *sc = device_get_softc(dev); uint32_t func; int i, rid; phandle_t gpio; sc->sc_dev = dev; mtx_init(&sc->sc_mtx, "a10 gpio", "gpio", MTX_DEF); rid = 0; sc->sc_mem_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE); if (!sc->sc_mem_res) { device_printf(dev, "cannot allocate memory window\n"); return (ENXIO); } sc->sc_bst = rman_get_bustag(sc->sc_mem_res); sc->sc_bsh = rman_get_bushandle(sc->sc_mem_res); rid = 0; sc->sc_irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE); if (!sc->sc_irq_res) { bus_release_resource(dev, SYS_RES_MEMORY, 0, sc->sc_mem_res); device_printf(dev, "cannot allocate interrupt\n"); return (ENXIO); } /* Find our node. */ gpio = ofw_bus_get_node(sc->sc_dev); if (!OF_hasprop(gpio, "gpio-controller")) /* Node is not a GPIO controller. */ goto fail; /* Initialize the software controlled pins. */ for (i = 0; i < A10_GPIO_PINS; i++) { snprintf(sc->sc_gpio_pins[i].gp_name, GPIOMAXNAME, "pin %d", i); func = a10_gpio_get_function(sc, i); sc->sc_gpio_pins[i].gp_pin = i; sc->sc_gpio_pins[i].gp_caps = A10_GPIO_DEFAULT_CAPS; sc->sc_gpio_pins[i].gp_flags = a10_gpio_func_flag(func); } sc->sc_gpio_npins = i; device_add_child(dev, "gpioc", device_get_unit(dev)); device_add_child(dev, "gpiobus", device_get_unit(dev)); + + a10_gpio_sc = sc; + return (bus_generic_attach(dev)); fail: if (sc->sc_irq_res) bus_release_resource(dev, SYS_RES_IRQ, 0, sc->sc_irq_res); if (sc->sc_mem_res) bus_release_resource(dev, SYS_RES_MEMORY, 0, sc->sc_mem_res); return (ENXIO); } static int a10_gpio_detach(device_t dev) { return (EBUSY); } static device_method_t a10_gpio_methods[] = { /* Device interface */ DEVMETHOD(device_probe, a10_gpio_probe), DEVMETHOD(device_attach, a10_gpio_attach), DEVMETHOD(device_detach, a10_gpio_detach), /* GPIO protocol */ DEVMETHOD(gpio_pin_max, a10_gpio_pin_max), DEVMETHOD(gpio_pin_getname, a10_gpio_pin_getname), DEVMETHOD(gpio_pin_getflags, a10_gpio_pin_getflags), DEVMETHOD(gpio_pin_getcaps, a10_gpio_pin_getcaps), DEVMETHOD(gpio_pin_setflags, a10_gpio_pin_setflags), DEVMETHOD(gpio_pin_get, a10_gpio_pin_get), DEVMETHOD(gpio_pin_set, a10_gpio_pin_set), DEVMETHOD(gpio_pin_toggle, a10_gpio_pin_toggle), DEVMETHOD_END }; static devclass_t a10_gpio_devclass; static driver_t a10_gpio_driver = { "gpio", a10_gpio_methods, sizeof(struct a10_gpio_softc), }; DRIVER_MODULE(a10_gpio, simplebus, a10_gpio_driver, a10_gpio_devclass, 0, 0); + +int +a10_emac_gpio_config(uint32_t pin) +{ + struct a10_gpio_softc *sc = a10_gpio_sc; + + if (sc == NULL) + return (ENXIO); + + /* Configure pin mux settings for MII. */ + A10_GPIO_LOCK(sc); + a10_gpio_set_function(sc, pin, A10_GPIO_PULLDOWN); + A10_GPIO_UNLOCK(sc); + + return (0); +} Index: head/sys/arm/allwinner/a10_gpio.h =================================================================== --- head/sys/arm/allwinner/a10_gpio.h (nonexistent) +++ head/sys/arm/allwinner/a10_gpio.h (revision 262708) @@ -0,0 +1,34 @@ +/*- + * Copyright (c) 2013 Ganbold Tsagaankhuu + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#ifndef _A10_GPIO_H_ +#define _A10_GPIO_H_ + +int a10_emac_gpio_config(uint32_t pin); + +#endif Property changes on: head/sys/arm/allwinner/a10_gpio.h ___________________________________________________________________ Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +FreeBSD=%H \ No newline at end of property Added: svn:mime-type ## -0,0 +1 ## +text/plain \ No newline at end of property