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[PATCH 03/19] hw/sd/sdcard: Basis for eMMC support
From: |
Philippe Mathieu-Daudé |
Subject: |
[PATCH 03/19] hw/sd/sdcard: Basis for eMMC support |
Date: |
Thu, 27 Jun 2024 19:10:43 +0200 |
From: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
include/hw/sd/sd.h | 3 +++
hw/sd/sd.c | 34 ++++++++++++++++++++++++++++++++++
2 files changed, 37 insertions(+)
diff --git a/include/hw/sd/sd.h b/include/hw/sd/sd.h
index 0d6d9e452b..d35a839f5e 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 92ac57a648..249fad0468 100644
--- a/hw/sd/sd.c
+++ b/hw/sd/sd.c
@@ -2379,6 +2379,13 @@ static const SDProto sd_proto_sd = {
},
};
+static const SDProto sd_proto_emmc = {
+ /* Only v4.5 is supported */
+ .name = "eMMC",
+ .cmd = {
+ },
+};
+
static void sd_instance_init(Object *obj)
{
SDState *sd = SD_CARD(obj);
@@ -2504,6 +2511,28 @@ static void sd_spi_class_init(ObjectClass *klass, void
*data)
sc->proto = &sd_proto_spi;
}
+static void emmc_realize(DeviceState *dev, Error **errp)
+{
+ SDState *sd = SD_CARD(dev);
+
+ if (sd->spec_version == SD_PHY_SPECv2_00_VERS) {
+ error_setg(errp, "eMMC can not use spec v2.00");
+ 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 sd_types[] = {
{
.name = TYPE_SD_CARD,
@@ -2519,6 +2548,11 @@ static const TypeInfo sd_types[] = {
.parent = TYPE_SD_CARD,
.class_init = sd_spi_class_init,
},
+ {
+ .name = TYPE_EMMC,
+ .parent = TYPE_SD_CARD,
+ .class_init = emmc_class_init,
+ },
};
DEFINE_TYPES(sd_types)
--
2.41.0
- [PATCH 00/19] hw/sd: Add support for eMMC cards, Philippe Mathieu-Daudé, 2024/06/27
- [PATCH 01/19] hw/sd/sdcard: Introduce set_csd/set_cid handlers, Philippe Mathieu-Daudé, 2024/06/27
- [PATCH 02/19] hw/sd/sdcard: Cover more SDCardStates, Philippe Mathieu-Daudé, 2024/06/27
- [PATCH 03/19] hw/sd/sdcard: Basis for eMMC support,
Philippe Mathieu-Daudé <=
- [PATCH 04/19] hw/sd/sdcard: Register generic command handlers, Philippe Mathieu-Daudé, 2024/06/27
- [PATCH 05/19] hw/sd/sdcard: Register unimplemented command handlers, Philippe Mathieu-Daudé, 2024/06/27
- [PATCH 06/19] hw/sd/sdcard: Add emmc_cmd_SET_RELATIVE_ADDR() handler, Philippe Mathieu-Daudé, 2024/06/27
- [PATCH 07/19] hw/sd/sdcard: Add emmc_cmd_SEND_OP_COND handler (CMD1), Philippe Mathieu-Daudé, 2024/06/27
- [PATCH 08/19] hw/sd/sdcard: Fix SET_BLOCK_COUNT command argument on eMMC (CMD23), Philippe Mathieu-Daudé, 2024/06/27
- [PATCH 09/19] hw/sd/sdcard: Add mmc_cmd_PROGRAM_CID handler (CMD26), Philippe Mathieu-Daudé, 2024/06/27
- [PATCH 10/19] hw/sd/sdcard: Implement eMMC sleep state (CMD5), Philippe Mathieu-Daudé, 2024/06/27
- [RFC PATCH 11/19] hw/sd/sdcard: Add experimental 'x-aspeed-emmc-kludge' property, Philippe Mathieu-Daudé, 2024/06/27
- [RFC PATCH 13/19] hw/sd/sdcard: Adapt sd_cmd_APP_CMD handler for eMMC (CMD55), Philippe Mathieu-Daudé, 2024/06/27
- [RFC PATCH 12/19] hw/sd/sdcard: Adapt sd_cmd_ALL_SEND_CID handler for eMMC (CMD2), Philippe Mathieu-Daudé, 2024/06/27