| Message ID | 20180108154303.6522-11-f4bug@amsat.org |
|---|---|
| State | New |
| Headers | show |
| Series | SDHCI: make it abstract, add inherited devices, add qtests | expand |
On Mon, Jan 8, 2018 at 7:42 AM, Philippe Mathieu-Daudé <f4bug@amsat.org> wrote: > Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> > --- > hw/sd/dw-mshc.c | 64 +++++++++++++++++++++++++++++++++++++++++++++++++++++ > hw/sd/Makefile.objs | 1 + > 2 files changed, 65 insertions(+) > create mode 100644 hw/sd/dw-mshc.c > > diff --git a/hw/sd/dw-mshc.c b/hw/sd/dw-mshc.c > new file mode 100644 > index 0000000000..c2869cd569 > --- /dev/null > +++ b/hw/sd/dw-mshc.c > @@ -0,0 +1,64 @@ > +/* > + * Synopsys Designware Mobile Storage Host Controller emulation > + * (and Samsung Exynos specific extensions) > + * > + * Copyright (C) 2018 Philippe Mathieu-Daudé <f4bug@amsat.org> > + * > + * This work is licensed under the terms of the GNU GPL, version 2 or > + * (at your option) any later version. See the COPYING file in the > + * top-level directory. > + */ > +#include "qemu/osdep.h" > +#include "hw/sd/sdhci.h" > +#include "qapi/error.h" > + > +/* Compatible with: > + * - SD Host Controller Specification Version 2.0 > + * - SDIO Specification Version 2.0 > + * - MMC Specification Version 4.3 > + * > + * - SDMA > + * - ADMA > + */ > +static void exynos4210_dw_mshc_realize(DeviceState *dev, Error **errp) > +{ > + SDHCICommonClass *cc = SYSBUS_SDHCI_COMMON_GET_CLASS(dev); > + Object *obj = OBJECT(dev); > + Error *local_err = NULL; > + > + object_property_set_uint(obj, 2, "sd-spec-version", &local_err); > + object_property_set_bool(obj, true, "suspend", &local_err); > + object_property_set_bool(obj, true, "1v8", &local_err); > + if (local_err) { > + error_propagate(errp, local_err); > + return; > + } > + > + cc->parent_realize(dev, &local_err); > + if (local_err) { > + error_propagate(errp, local_err); > + return; > + } > +} > + > +static void exynos4210_dw_mshc_class_init(ObjectClass *klass, void *data) > +{ > + DeviceClass *dc = DEVICE_CLASS(klass); > + SDHCICommonClass *cc = SYSBUS_SDHCI_COMMON_CLASS(klass); > + > + cc->parent_realize = dc->realize; This need an explanation, why are we doing this weird realise logic? Alistair > + dc->realize = exynos4210_dw_mshc_realize; > +} > + > +static const TypeInfo exynos4210_dw_mshc_info = { > + .name = "samsung,exynos4210-dw-mshc", > + .parent = TYPE_SYSBUS_SDHCI, > + .class_init = exynos4210_dw_mshc_class_init, > +}; > + > +static void dw_mshc_sdhc_register_types(void) > +{ > + type_register_static(&exynos4210_dw_mshc_info); > +} > + > +type_init(dw_mshc_sdhc_register_types) > diff --git a/hw/sd/Makefile.objs b/hw/sd/Makefile.objs > index 0fe2501017..fd866d7f94 100644 > --- a/hw/sd/Makefile.objs > +++ b/hw/sd/Makefile.objs > @@ -3,6 +3,7 @@ common-obj-$(CONFIG_SD) += core.o > > # SD/MMC host adapters > common-obj-$(CONFIG_PL181) += pl181.o > +common-obj-$(CONFIG_EXYNOS4) += dw-mshc.o > common-obj-$(CONFIG_SSI_SD) += ssi-sd.o > common-obj-$(CONFIG_SDHCI) += sdhci.o > obj-$(CONFIG_MILKYMIST) += milkymist-memcard.o > -- > 2.15.1 > >
diff --git a/hw/sd/dw-mshc.c b/hw/sd/dw-mshc.c new file mode 100644 index 0000000000..c2869cd569 --- /dev/null +++ b/hw/sd/dw-mshc.c @@ -0,0 +1,64 @@ +/* + * Synopsys Designware Mobile Storage Host Controller emulation + * (and Samsung Exynos specific extensions) + * + * Copyright (C) 2018 Philippe Mathieu-Daudé <f4bug@amsat.org> + * + * This work is licensed under the terms of the GNU GPL, version 2 or + * (at your option) any later version. See the COPYING file in the + * top-level directory. + */ +#include "qemu/osdep.h" +#include "hw/sd/sdhci.h" +#include "qapi/error.h" + +/* Compatible with: + * - SD Host Controller Specification Version 2.0 + * - SDIO Specification Version 2.0 + * - MMC Specification Version 4.3 + * + * - SDMA + * - ADMA + */ +static void exynos4210_dw_mshc_realize(DeviceState *dev, Error **errp) +{ + SDHCICommonClass *cc = SYSBUS_SDHCI_COMMON_GET_CLASS(dev); + Object *obj = OBJECT(dev); + Error *local_err = NULL; + + object_property_set_uint(obj, 2, "sd-spec-version", &local_err); + object_property_set_bool(obj, true, "suspend", &local_err); + object_property_set_bool(obj, true, "1v8", &local_err); + if (local_err) { + error_propagate(errp, local_err); + return; + } + + cc->parent_realize(dev, &local_err); + if (local_err) { + error_propagate(errp, local_err); + return; + } +} + +static void exynos4210_dw_mshc_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + SDHCICommonClass *cc = SYSBUS_SDHCI_COMMON_CLASS(klass); + + cc->parent_realize = dc->realize; + dc->realize = exynos4210_dw_mshc_realize; +} + +static const TypeInfo exynos4210_dw_mshc_info = { + .name = "samsung,exynos4210-dw-mshc", + .parent = TYPE_SYSBUS_SDHCI, + .class_init = exynos4210_dw_mshc_class_init, +}; + +static void dw_mshc_sdhc_register_types(void) +{ + type_register_static(&exynos4210_dw_mshc_info); +} + +type_init(dw_mshc_sdhc_register_types) diff --git a/hw/sd/Makefile.objs b/hw/sd/Makefile.objs index 0fe2501017..fd866d7f94 100644 --- a/hw/sd/Makefile.objs +++ b/hw/sd/Makefile.objs @@ -3,6 +3,7 @@ common-obj-$(CONFIG_SD) += core.o # SD/MMC host adapters common-obj-$(CONFIG_PL181) += pl181.o +common-obj-$(CONFIG_EXYNOS4) += dw-mshc.o common-obj-$(CONFIG_SSI_SD) += ssi-sd.o common-obj-$(CONFIG_SDHCI) += sdhci.o obj-$(CONFIG_MILKYMIST) += milkymist-memcard.o
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> --- hw/sd/dw-mshc.c | 64 +++++++++++++++++++++++++++++++++++++++++++++++++++++ hw/sd/Makefile.objs | 1 + 2 files changed, 65 insertions(+) create mode 100644 hw/sd/dw-mshc.c