sdhci_xenon: add ACPI support
Add support for ACPI device probing for SDHCI controller found on Marvell chips. Reviewed by: mw Sponsored by: Semihalf Differential revision: https://reviews.freebsd.org/D31600
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Bartlomiej Grzesik
Marcin Wojtas
parent
d78e464d23
commit
adbce5ff74
@ -275,6 +275,7 @@ dev/psci/smccc.c standard
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dev/safexcel/safexcel.c optional safexcel fdt
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dev/sdhci/sdhci_xenon.c optional sdhci_xenon sdhci
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dev/sdhci/sdhci_xenon_acpi.c optional sdhci_xenon sdhci acpi
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dev/sdhci/sdhci_xenon_fdt.c optional sdhci_xenon sdhci fdt
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dev/uart/uart_cpu_arm64.c optional uart
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140
sys/dev/sdhci/sdhci_xenon_acpi.c
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140
sys/dev/sdhci/sdhci_xenon_acpi.c
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@ -0,0 +1,140 @@
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/*-
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* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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*
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* Copyright (c) 2021 Semihalf
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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
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* are met:
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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 ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/bus.h>
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#include <sys/kernel.h>
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#include <sys/module.h>
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#include <sys/taskqueue.h>
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#include <dev/mmc/bridge.h>
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#include <dev/mmc/mmcbrvar.h>
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#include <dev/mmc/mmcreg.h>
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#include <dev/mmc/mmc_helpers.h>
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#include <contrib/dev/acpica/include/acpi.h>
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#include <contrib/dev/acpica/include/accommon.h>
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#include <dev/acpica/acpivar.h>
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#ifdef EXT_RESOURCES
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#include <dev/extres/regulator/regulator.h>
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#endif
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#include <dev/sdhci/sdhci.h>
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#include <dev/sdhci/sdhci_xenon.h>
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#include "mmcbr_if.h"
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#include "sdhci_if.h"
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#include "opt_mmccam.h"
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#include "opt_soc.h"
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static char *sdhci_xenon_hids[] = {
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"MRVL0002",
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"MRVL0003",
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"MRVL0004",
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NULL
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};
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static int
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sdhci_xenon_acpi_probe(device_t dev)
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{
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device_t bus;
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int err;
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bus = device_get_parent(dev);
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err = ACPI_ID_PROBE(bus, dev, sdhci_xenon_hids, NULL);
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if (err <= 0) {
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device_set_desc(dev, "Armada Xenon SDHCI controller");
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return (err);
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}
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return (ENXIO);
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}
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static int
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sdhci_xenon_acpi_attach(device_t dev)
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{
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struct sdhci_xenon_softc *sc;
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struct sdhci_slot *slot;
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struct mmc_helper mmc_helper;
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sc = device_get_softc(dev);
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memset(&mmc_helper, 0, sizeof(mmc_helper));
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slot = malloc(sizeof(*slot), M_DEVBUF, M_ZERO | M_WAITOK);
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if (!slot)
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return (ENOMEM);
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/*
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* Don't use regularators.
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* In ACPI mode the firmware takes care of them for us
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*/
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sc->skip_regulators = true;
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sc->slot = slot;
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if (mmc_parse(dev, &mmc_helper, &slot->host) != 0)
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return (ENXIO);
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if (mmc_helper.props & MMC_PROP_NON_REMOVABLE) {
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slot->opt |= SDHCI_NON_REMOVABLE;
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if (bootverbose)
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device_printf(dev, "Non-removable media\n");
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}
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sc->wp_inverted = mmc_helper.props & MMC_PROP_WP_INVERTED;
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return (sdhci_xenon_attach(dev));
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}
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static device_method_t sdhci_xenon_acpi_methods[] = {
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/* device_if */
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DEVMETHOD(device_probe, sdhci_xenon_acpi_probe),
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DEVMETHOD(device_attach, sdhci_xenon_acpi_attach),
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DEVMETHOD(device_detach, sdhci_xenon_detach),
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DEVMETHOD(sdhci_get_card_present, sdhci_generic_get_card_present),
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DEVMETHOD_END
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};
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DEFINE_CLASS_1(sdhci_xenon, sdhci_xenon_acpi_driver, sdhci_xenon_acpi_methods,
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sizeof(struct sdhci_xenon_softc), sdhci_xenon_driver);
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static devclass_t sdhci_xenon_acpi_devclass;
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DRIVER_MODULE(sdhci_xenon, acpi, sdhci_xenon_acpi_driver,
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sdhci_xenon_acpi_devclass, NULL, NULL);
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#ifndef MMCCAM
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MMC_DECLARE_BRIDGE(sdhci_xenon_acpi);
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#endif
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