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>
Signed-off-by: Philippe Mathieu-Daudé <f4...@amsat.org>
---
TODO: Do not inherit TYPE_SD_CARD, duplicate sd_class_init()
---
hw/sd/sd.c | 42 ++++++++++++++++++++++++++++++++++++++++++
include/hw/sd/sd.h | 3 +++
2 files changed, 45 insertions(+)
diff --git a/hw/sd/sd.c b/hw/sd/sd.c
index b2f16dbb73..8b178aa261 100644
--- a/hw/sd/sd.c
+++ b/hw/sd/sd.c
@@ -2166,6 +2166,19 @@ 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,
+ [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);
@@ -2284,9 +2297,38 @@ static const TypeInfo sd_info = {
.instance_finalize = sd_instance_finalize,
};
+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(&emmc_info);
}
type_init(sd_register_types)
diff --git a/include/hw/sd/sd.h b/include/hw/sd/sd.h
index 0d94e1f346..e52436b7a5 100644
--- a/include/hw/sd/sd.h
+++ b/include/hw/sd/sd.h
@@ -93,6 +93,9 @@ typedef struct {
#define TYPE_SD_CARD "sd-card"
OBJECT_DECLARE_TYPE(SDState, SDCardClass, SD_CARD)
+#define TYPE_EMMC "emmc"
+DECLARE_INSTANCE_CHECKER(SDState, EMMC, TYPE_EMMC)
+
struct SDCardClass {
/*< private >*/
DeviceClass parent_class;
--
2.36.1
