diff options
Diffstat (limited to 'rtemsbsd/sys/dev/usb/controller/dwc_otg_stm32h7.c')
-rw-r--r-- | rtemsbsd/sys/dev/usb/controller/dwc_otg_stm32h7.c | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/rtemsbsd/sys/dev/usb/controller/dwc_otg_stm32h7.c b/rtemsbsd/sys/dev/usb/controller/dwc_otg_stm32h7.c new file mode 100644 index 00000000..4303798a --- /dev/null +++ b/rtemsbsd/sys/dev/usb/controller/dwc_otg_stm32h7.c @@ -0,0 +1,87 @@ +/* SPDX-License-Identifier: BSD-2-Clause */ + +/* + * Copyright (C) 2020 embedded brains GmbH (http://www.embedded-brains.de) + * + * 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 COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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 <machine/rtems-bsd-kernel-space.h> + +#include <bsp.h> + +#ifdef LIBBSP_ARM_STM32H7_BSP_H + +#include <sys/cdefs.h> +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/bus.h> +#include <sys/condvar.h> + +#include <dev/usb/usb.h> +#include <dev/usb/usbdi.h> + +#include <dev/usb/usb_core.h> +#include <dev/usb/usb_busdma.h> +#include <dev/usb/usb_process.h> +#include <dev/usb/usb_util.h> + +#include <dev/usb/usb_controller.h> +#include <dev/usb/usb_bus.h> + +#include <dev/usb/controller/dwc_otg.h> + +#include <stm32h7/hal.h> + +static const stm32h7_gpio_config dwc_otg_pins_dm_dp = { + .regs = GPIOA, + .config = { + .Pin = GPIO_PIN_11 | GPIO_PIN_12, + .Mode = GPIO_MODE_AF_PP, + .Pull = GPIO_NOPULL, + .Speed = GPIO_SPEED_FREQ_VERY_HIGH, + .Alternate = GPIO_AF10_OTG2_FS + } +}; + +static const stm32h7_gpio_config dwc_otg_pin_id = { + .regs = GPIOA, + .config = { + .Pin = GPIO_PIN_10, + .Mode = GPIO_MODE_AF_OD, + .Pull = GPIO_PULLUP, + .Alternate = GPIO_AF10_OTG2_FS + } +}; + +void +dwc_otg_platform_init(struct dwc_otg_softc *sc) +{ + + (void)sc; + stm32h7_gpio_init(&dwc_otg_pins_dm_dp); + stm32h7_gpio_init(&dwc_otg_pin_id); + stm32h7_clk_enable(STM32H7_MODULE_USB2_OTG); + stm32h7_clk_low_power_disable(STM32H7_MODULE_USB2_OTG_ULPI); +} + +#endif /* LIBBSP_ARM_STM32H7_BSP_H */ |