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fdt_reset.c
(3.63 KB)
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fdt_reset.h
(1.87 KB)
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fdt_reset_if.m
(1.97 KB)
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files.mediatek
(1.41 KB)
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mtk_clock.c
(3.76 KB)
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mtk_dotg.c
(5 KB)
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mtk_ehci.c
(5.79 KB)
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mtk_gpio_v1.c
(17.55 KB)
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mtk_gpio_v2.c
(15.87 KB)
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mtk_intr_gic.c
(8.56 KB)
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mtk_intr_v1.c
(8.37 KB)
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mtk_intr_v2.c
(8.22 KB)
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mtk_machdep.c
(7.93 KB)
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mtk_ohci.c
(5.79 KB)
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mtk_pcie.c
(32 KB)
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mtk_pcie.h
(4.97 KB)
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mtk_pinctrl.c
(5.95 KB)
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mtk_pinctrl.h
(11.15 KB)
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mtk_reset.c
(3.45 KB)
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mtk_soc.c
(12.19 KB)
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mtk_soc.h
(4.34 KB)
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mtk_spi_v1.c
(9.69 KB)
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mtk_spi_v1.h
(2.52 KB)
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mtk_spi_v2.c
(8.69 KB)
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mtk_spi_v2.h
(1.98 KB)
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mtk_sysctl.c
(4.74 KB)
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mtk_sysctl.h
(2.22 KB)
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mtk_usb_phy.c
(9.08 KB)
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mtk_usb_phy.h
(2.26 KB)
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mtk_xhci.c
(7.85 KB)
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palmbus.c
(2.73 KB)
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std.mediatek
(1.9 KB)
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std.rt2880
(1.89 KB)
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uart_dev_mtk.c
(13.22 KB)
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uart_dev_mtk.h
(4.14 KB)
Editing: mtk_reset.c
/*- * Copyright (c) 2016 Stanislav Galabov * 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, * without modification, immediately at the beginning of the file. * 2. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * 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 <sys/cdefs.h> __FBSDID("$FreeBSD$"); #include <sys/param.h> #include <sys/kernel.h> #include <sys/bus.h> #include <sys/module.h> #include <dev/fdt/fdt_common.h> #include <dev/ofw/openfirm.h> #include <dev/ofw/ofw_bus.h> #include <dev/ofw/ofw_bus_subr.h> #include <mips/mediatek/fdt_reset.h> #include <mips/mediatek/mtk_sysctl.h> #include "fdt_reset_if.h" static const struct ofw_compat_data compat_data[] = { { "ralink,rt2880-reset", 1 }, /* Sentinel */ { NULL, 0 } }; static int mtk_reset_probe(device_t dev) { if (!ofw_bus_status_okay(dev)) return (ENXIO); if (ofw_bus_search_compatible(dev, compat_data)->ocd_data == 0) return (ENXIO); device_set_desc(dev, "MTK Reset Controller"); return (0); } static int mtk_reset_attach(device_t dev) { if (device_get_unit(dev) != 0) { device_printf(dev, "Only one reset control allowed\n"); return (ENXIO); } fdt_reset_register_provider(dev); return (0); } #define RESET_ASSERT 1 #define RESET_DEASSERT 0 static int mtk_reset_set(device_t dev, int index, int value) { uint32_t mask; /* index 0 is SoC reset, indices 1 - 31 are valid peripheral resets */ if (index < 1 || index > 31) return (EINVAL); mask = (1u << index); if (value == RESET_ASSERT) mtk_sysctl_clr_set(SYSCTL_RSTCTRL, 0, mask); else mtk_sysctl_clr_set(SYSCTL_RSTCTRL, mask, 0); return (0); } static int mtk_reset_assert(device_t dev, int index) { return mtk_reset_set(dev, index, RESET_ASSERT); } static int mtk_reset_deassert(device_t dev, int index) { return mtk_reset_set(dev, index, RESET_DEASSERT); } static device_method_t mtk_reset_methods[] = { DEVMETHOD(device_probe, mtk_reset_probe), DEVMETHOD(device_attach, mtk_reset_attach), /* fdt_reset interface */ DEVMETHOD(fdt_reset_assert, mtk_reset_assert), DEVMETHOD(fdt_reset_deassert, mtk_reset_deassert), DEVMETHOD_END }; static driver_t mtk_reset_driver = { "rstctrl", mtk_reset_methods, 0, }; static devclass_t mtk_reset_devclass; EARLY_DRIVER_MODULE(mtk_reset, simplebus, mtk_reset_driver, mtk_reset_devclass, 0, 0, BUS_PASS_INTERRUPT + BUS_PASS_ORDER_EARLY); MODULE_DEPEND(mtk_reset, mtk_sysctl, 1, 1, 1);
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