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X-Received-From: 2607:f8b0:400d:c0d::230 Subject: [Qemu-devel] [PATCH v5 18/31] sdhci: add the Broadcom BCM2835 SDHCI controller X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "Edgar E . Iglesias" , Prasad J Pandit , =?UTF-8?q?Gr=C3=A9gory=20Estrade?= , qemu-devel@nongnu.org, Peter Crosthwaite , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Krzysztof Kozlowski , Jean-Christophe Dubois , Sai Pavan Boddu , qemu-arm@nongnu.org, Clement Deschamps , Andrew Baumann , Eduardo Habkost Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZohoMail: RDKM_2 RSF_0 Z_629925259 SPT_0 based on Arasan SD 3.0, eMMC 4.4 Signed-off-by: Philippe Mathieu-Daud=C3=A9 --- hw/sd/bcm2835_sdhci.c | 77 +++++++++++++++++++++++++++++++++++++++++++++++= ++++ hw/sd/Makefile.objs | 2 +- 2 files changed, 78 insertions(+), 1 deletion(-) create mode 100644 hw/sd/bcm2835_sdhci.c diff --git a/hw/sd/bcm2835_sdhci.c b/hw/sd/bcm2835_sdhci.c new file mode 100644 index 0000000000..3baf0887d8 --- /dev/null +++ b/hw/sd/bcm2835_sdhci.c @@ -0,0 +1,77 @@ +/* + * Broadcom BCM2835 SDHCI controller emulation + * + * Copyright (C) 2018 Philippe Mathieu-Daud=C3=A9 + * + * 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 3.0 Draft 1.0 + * - SDIO Specification Version 3.0 + * - MMC Specification Version 4.4 + * + * - 32-bit access only + * - default clocks + * - no DMA + * - SD high-speed (SDHS) card + * - maximum block size: 1kB + * + * For the exact details please refer to the Arasan documentation: + * SD3.0_Host_AHB_eMMC4.4_Usersguide_ver5.9_jan11_10.pdf =C2=AF\_(=E3= =83=84)_/=C2=AF + */ +static void bcm2835_sdhci_realize(DeviceState *dev, Error **errp) +{ + SDHCICommonClass *cc =3D SYSBUS_SDHCI_COMMON_GET_CLASS(dev); + Object *obj =3D OBJECT(dev); + Error *local_err =3D NULL; + + object_property_set_uint(obj, 3, "sd-spec-version", &local_err); + object_property_set_uint(obj, 52, "timeout-freq", &local_err); + object_property_set_uint(obj, 52, "max-frequency", &local_err); + object_property_set_bool(obj, false, "sdma", &local_err); + object_property_set_bool(obj, false, "adma1", &local_err); + object_property_set_bool(obj, false, "adma2", &local_err); + object_property_set_bool(obj, true, "1v8", &local_err); + /* FIXME verify/validate with someone from Broadcom? + object_property_set_uint(obj, 1024, "max-block-length", &local_err); + */ + object_property_set_bool(obj, true, "pending-insert-quirk", &local_er= r); + 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 bcm2835_sdhci_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc =3D DEVICE_CLASS(klass); + SDHCICommonClass *cc =3D SYSBUS_SDHCI_COMMON_CLASS(klass); + + cc->parent_realize =3D dc->realize; + dc->realize =3D bcm2835_sdhci_realize; +} + +static const TypeInfo bcm2835_sdhci_info =3D { + .name =3D "brcm,bcm2835-sdhci", + .parent =3D TYPE_SYSBUS_SDHCI, + .class_init =3D bcm2835_sdhci_class_init, +}; + +static void brcm_sdhci_register_types(void) +{ + type_register_static(&bcm2835_sdhci_info); +} + +type_init(brcm_sdhci_register_types) diff --git a/hw/sd/Makefile.objs b/hw/sd/Makefile.objs index ef0fc3d3f7..b3e69c3018 100644 --- a/hw/sd/Makefile.objs +++ b/hw/sd/Makefile.objs @@ -10,7 +10,7 @@ common-obj-$(CONFIG_SDHCI) +=3D sdhci.o obj-$(CONFIG_MILKYMIST) +=3D milkymist-memcard.o obj-$(CONFIG_OMAP) +=3D omap_mmc.o obj-$(CONFIG_PXA2XX) +=3D pxa2xx_mmci.o -obj-$(CONFIG_RASPI) +=3D bcm2835_sdhost.o +obj-$(CONFIG_RASPI) +=3D bcm2835_sdhost.o bcm2835_sdhci.o =20 # emulated SD/MMC devices common-obj-$(CONFIG_SD) +=3D sd.o --=20 2.15.1