diff options
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/arm64/conf/GENERIC | 5 | ||||
| -rw-r--r-- | sys/conf/files.arm64 | 2 | ||||
| -rw-r--r-- | sys/dev/mmc/host/dwmmc_hisi.c | 96 |
3 files changed, 103 insertions, 0 deletions
diff --git a/sys/arm64/conf/GENERIC b/sys/arm64/conf/GENERIC index 0e67ce0c116d..b45b28606f21 100644 --- a/sys/arm64/conf/GENERIC +++ b/sys/arm64/conf/GENERIC @@ -107,6 +107,11 @@ device ahci device scbus device da +# MMC/SD/SDIO Card slot support +device mmc # mmc/sd bus +device mmcsd # mmc/sd flash cards +device dwmmc + # Serial (COM) ports device uart # Generic UART driver device pl011 diff --git a/sys/conf/files.arm64 b/sys/conf/files.arm64 index eba4b669a5bd..9ff77025adb3 100644 --- a/sys/conf/files.arm64 +++ b/sys/conf/files.arm64 @@ -59,6 +59,8 @@ dev/acpica/acpi_if.m optional acpi dev/fdt/fdt_arm64.c optional fdt dev/hwpmc/hwpmc_arm64.c optional hwpmc dev/hwpmc/hwpmc_arm64_md.c optional hwpmc +dev/mmc/host/dwmmc.c optional dwmmc +dev/mmc/host/dwmmc_hisi.c optional dwmmc soc_hisi_hi6220 dev/ofw/ofw_cpu.c optional fdt dev/pci/pci_host_generic.c optional pci fdt dev/psci/psci.c optional psci diff --git a/sys/dev/mmc/host/dwmmc_hisi.c b/sys/dev/mmc/host/dwmmc_hisi.c new file mode 100644 index 000000000000..e39fa8f3aa5c --- /dev/null +++ b/sys/dev/mmc/host/dwmmc_hisi.c @@ -0,0 +1,96 @@ +/* + * Copyright 2015 Andrew Turner. + * 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 <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <sys/param.h> +#include <sys/kernel.h> +#include <sys/bus.h> +#include <sys/module.h> + +#include <machine/bus.h> + +#include <dev/mmc/bridge.h> + +#include <dev/ofw/ofw_bus_subr.h> + +#include <dev/mmc/host/dwmmc_var.h> + +static device_probe_t hisi_dwmmc_probe; +static device_attach_t hisi_dwmmc_attach; + +static int +hisi_dwmmc_probe(device_t dev) +{ + + if (!ofw_bus_status_okay(dev)) + return (ENXIO); + + if (!ofw_bus_is_compatible(dev, "hisilicon,hi6220-dw-mshc")) + return (ENXIO); + + device_set_desc(dev, "Synopsys DesignWare Mobile " + "Storage Host Controller (HiSilicon)"); + + return (BUS_PROBE_VENDOR); +} + +static int +hisi_dwmmc_attach(device_t dev) +{ + struct dwmmc_softc *sc; + + sc = device_get_softc(dev); + sc->hwtype = HWTYPE_HISILICON; + /* TODO: Calculate this from a clock driver */ + sc->bus_hz = 24000000; /* 24MHz */ + + /* + * ARM64TODO: This is likely because we lack support for + * DMA when the controller is not cache-coherent on arm64. + */ + sc->use_pio = 1; + sc->desc_count = 1; + + return (dwmmc_attach(dev)); +} + +static device_method_t hisi_dwmmc_methods[] = { + /* bus interface */ + DEVMETHOD(device_probe, hisi_dwmmc_probe), + DEVMETHOD(device_attach, hisi_dwmmc_attach), + + DEVMETHOD_END +}; + +static devclass_t hisi_dwmmc_devclass; + +DEFINE_CLASS_1(hisi_dwmmc, hisi_dwmmc_driver, hisi_dwmmc_methods, + sizeof(struct dwmmc_softc), dwmmc_driver); +DRIVER_MODULE(hisi_dwmmc, simplebus, hisi_dwmmc_driver, + hisi_dwmmc_devclass, 0, 0); |