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Apply the following automated changes to try to eliminate no-longer-needed sys/cdefs.h includes as well as now-empty blank lines in a row. Remove /^#if.*\n#endif.*\n#include\s+<sys/cdefs.h>.*\n/ Remove /\n+#include\s+<sys/cdefs.h>.*\n+#if.*\n#endif.*\n+/ Remove /\n+#if.*\n#endif.*\n+/ Remove /^#if.*\n#endif.*\n/ Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/types.h>/ Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/param.h>/ Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/capsicum.h>/ Sponsored by: Netflix
128 lines
4 KiB
C
128 lines
4 KiB
C
/*
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* Copyright 2017 Emmanuel Vadot <manu@freebsd.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/param.h>
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#include <sys/kernel.h>
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#include <sys/bus.h>
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#include <sys/module.h>
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#include <sys/queue.h>
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#include <sys/taskqueue.h>
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#include <machine/bus.h>
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#include <dev/mmc/bridge.h>
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#include <dev/mmc/mmc_fdt_helpers.h>
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#include <dev/ofw/ofw_bus.h>
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#include <dev/ofw/ofw_bus_subr.h>
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#include <dev/mmc/host/dwmmc_var.h>
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#include <dev/mmc/host/dwmmc_reg.h>
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#define WRITE4(_sc, _reg, _val) \
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bus_write_4((_sc)->res[0], _reg, _val)
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static struct ofw_compat_data compat_data[] = {
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{"samsung,exynos5420-dw-mshc", 1},
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{NULL, 0},
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};
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static int
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samsung_dwmmc_probe(device_t dev)
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{
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if (!ofw_bus_status_okay(dev))
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return (ENXIO);
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if (ofw_bus_search_compatible(dev, compat_data)->ocd_data == 0)
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return (ENXIO);
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device_set_desc(dev, "Synopsys DesignWare Mobile "
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"Storage Host Controller (Samsung)");
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return (BUS_PROBE_VENDOR);
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}
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static int
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samsung_dwmmc_attach(device_t dev)
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{
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struct dwmmc_softc *sc;
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pcell_t dts_value[3];
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phandle_t node;
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int len;
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sc = device_get_softc(dev);
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sc->hwtype = HWTYPE_EXYNOS;
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if ((node = ofw_bus_get_node(sc->dev)) == -1)
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return (ENXIO);
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if ((len = OF_getproplen(node, "samsung,dw-mshc-ciu-div")) <= 0)
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return (ENXIO);
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OF_getencprop(node, "samsung,dw-mshc-ciu-div", dts_value, len);
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sc->sdr_timing = (dts_value[0] << SDMMC_CLKSEL_DIVIDER_SHIFT);
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sc->ddr_timing = (dts_value[0] << SDMMC_CLKSEL_DIVIDER_SHIFT);
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if ((len = OF_getproplen(node, "samsung,dw-mshc-sdr-timing")) <= 0)
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return (ENXIO);
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OF_getencprop(node, "samsung,dw-mshc-sdr-timing", dts_value, len);
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sc->sdr_timing |= ((dts_value[0] << SDMMC_CLKSEL_SAMPLE_SHIFT) |
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(dts_value[1] << SDMMC_CLKSEL_DRIVE_SHIFT));
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if ((len = OF_getproplen(node, "samsung,dw-mshc-ddr-timing")) <= 0)
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return (ENXIO);
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OF_getencprop(node, "samsung,dw-mshc-ddr-timing", dts_value, len);
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sc->ddr_timing |= ((dts_value[0] << SDMMC_CLKSEL_SAMPLE_SHIFT) |
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(dts_value[1] << SDMMC_CLKSEL_DRIVE_SHIFT));
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WRITE4(sc, EMMCP_MPSBEGIN0, 0);
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WRITE4(sc, EMMCP_SEND0, 0);
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WRITE4(sc, EMMCP_CTRL0, (MPSCTRL_SECURE_READ_BIT |
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MPSCTRL_SECURE_WRITE_BIT |
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MPSCTRL_NON_SECURE_READ_BIT |
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MPSCTRL_NON_SECURE_WRITE_BIT |
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MPSCTRL_VALID));
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return (dwmmc_attach(dev));
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}
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static device_method_t samsung_dwmmc_methods[] = {
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/* bus interface */
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DEVMETHOD(device_probe, samsung_dwmmc_probe),
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DEVMETHOD(device_attach, samsung_dwmmc_attach),
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DEVMETHOD_END
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};
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DEFINE_CLASS_1(samsung_dwmmc, samsung_dwmmc_driver, samsung_dwmmc_methods,
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sizeof(struct dwmmc_softc), dwmmc_driver);
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DRIVER_MODULE(samsung_dwmmc, simplebus, samsung_dwmmc_driver, 0, 0);
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DRIVER_MODULE(samsung_dwmmc, ofwbus, samsung_dwmmc_driver, NULL, NULL);
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#ifndef MMCCAM
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MMC_DECLARE_BRIDGE(samsung_dwmmc);
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#endif
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