From: Philippe Mathieu-Daudé <f4...@amsat.org> The initial eMMC support from Vincent Palatin was largely reworked to match the current SD framework.
Signed-off-by: Cédric Le Goater <c...@kaod.org> --- include/hw/sd/sd.h | 3 +++ hw/sd/sd.c | 44 ++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 47 insertions(+) diff --git a/include/hw/sd/sd.h b/include/hw/sd/sd.h index 2c8748fb9b97..da97400469a0 100644 --- a/include/hw/sd/sd.h +++ b/include/hw/sd/sd.h @@ -96,6 +96,9 @@ OBJECT_DECLARE_TYPE(SDState, SDCardClass, SD_CARD) #define TYPE_SD_CARD_SPI "sd-card-spi" DECLARE_INSTANCE_CHECKER(SDState, SD_CARD_SPI, TYPE_SD_CARD_SPI) +#define TYPE_EMMC "emmc" +DECLARE_INSTANCE_CHECKER(SDState, EMMC, TYPE_EMMC) + struct SDCardClass { /*< private >*/ DeviceClass parent_class; diff --git a/hw/sd/sd.c b/hw/sd/sd.c index 03fdb3addc38..409fbbcbd8d7 100644 --- a/hw/sd/sd.c +++ b/hw/sd/sd.c @@ -2171,6 +2171,20 @@ static const SDProto sd_proto_sd = { }, }; +static const SDProto sd_proto_emmc = { + .name = "eMMC", + .cmd = { + [0] = sd_cmd_GO_IDLE_STATE, + [5] = sd_cmd_illegal, + [19] = sd_cmd_SEND_TUNING_BLOCK, + [23] = sd_cmd_SET_BLOCK_COUNT, + [41] = sd_cmd_illegal, + [52 ... 54] = sd_cmd_illegal, + [58] = sd_cmd_illegal, + [59] = sd_cmd_illegal, + }, +}; + static void sd_instance_init(Object *obj) { SDState *sd = SD_CARD(obj); @@ -2307,10 +2321,40 @@ static const TypeInfo sd_spi_info = { .class_init = sd_spi_class_init, }; +static void emmc_realize(DeviceState *dev, Error **errp) +{ + SDState *sd = SD_CARD(dev); + + if (sd->spec_version < SD_PHY_SPECv3_01_VERS) { + error_setg(errp, "Minimum spec for eMMC is v3.01"); + return; + } + + sd_realize(dev, errp); +} + +static void emmc_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + SDCardClass *sc = SD_CARD_CLASS(klass); + + dc->desc = "eMMC"; + dc->realize = emmc_realize; + sc->proto = &sd_proto_emmc; +} + +static const TypeInfo emmc_info = { + .name = TYPE_EMMC, + .parent = TYPE_SD_CARD, + .class_init = emmc_class_init, + }; + + static void sd_register_types(void) { type_register_static(&sd_info); type_register_static(&sd_spi_info); + type_register_static(&emmc_info); } type_init(sd_register_types) -- 2.41.0