@@ -63,6 +63,13 @@ typedef enum {
SD_PHY_SPEC_VER_3_01 = 301, /* not yet supported */
} sd_phy_spec_ver_t;
+typedef enum {
+ sd_capacity_unknown,
+ sd_capacity_sdsc, /* not well supported */
+ sd_capacity_sdhc,
+ sd_capacity_sdxc, /* not yet supported */
+} sd_card_capacity_t;
+
typedef enum {
sd_r0 = 0, /* no response */
sd_r1, /* normal response command */
@@ -121,6 +128,7 @@ struct SDState {
int spec_version;
bool spi;
+ sd_card_capacity_t capacity;
uint32_t mode; /* current card mode, one of SDCardModes */
int32_t state; /* current card state, one of SDCardStates */
@@ -161,6 +169,17 @@ static const char *sd_state_name(enum SDCardStates state)
return state_name[state];
}
+static const char *sd_capacity(sd_card_capacity_t capacity)
+{
+ static const char *capacity_name[] = {
+ [sd_capacity_unknown] = "UNKN",
+ [sd_capacity_sdsc] = "SDSC",
+ [sd_capacity_sdhc] = "SDHC",
+ [sd_capacity_sdxc] = "SDXC",
+ };
+ return capacity_name[capacity];
+}
+
static const char *sd_cmd_abbreviation(uint8_t cmd)
{
static const char *cmd_abbrev[SDCARD_CMD_MAX] = {
@@ -1991,11 +2010,33 @@ static void sd_realize(DeviceState *dev, Error **errp)
}
if (sd->blk) {
+ int64_t size;
+
ret = blk_set_perm(sd->blk, BLK_PERM_CONSISTENT_READ | BLK_PERM_WRITE,
BLK_PERM_ALL, errp);
if (ret < 0) {
return;
}
+
+ size = blk_getlength(sd->blk);
+ if (size < 0 || size <= 2 * G_BYTE) {
+ sd->capacity = sd_capacity_sdsc;
+ } else if (size <= 32 * G_BYTE) {
+ sd->capacity = sd_capacity_sdhc;
+ } else if (size <= 2 * T_BYTE) {
+ sd->capacity = sd_capacity_sdxc;
+ } else {
+ error_setg(errp, "block size unsupported: %lld TB", size / T_BYTE);
+ return;
+ }
+ trace_sdcard_capacity(sd_capacity(sd->capacity), size);
+
+ if (sd->capacity == sd_capacity_sdxc
+ && sd->spec_version < SD_PHY_SPEC_VER_3_01) {
+ error_setg(errp, "capacity SDHC requires at least Spec v3.01");
+ return;
+ }
+
blk_set_dev_ops(sd->blk, &sd_block_ops, sd);
}
}
@@ -28,6 +28,7 @@ sdcard_read_block(uint64_t addr, uint32_t len) "addr 0x%" PRIx64 " size 0x%x"
sdcard_write_block(uint64_t addr, uint32_t len) "addr 0x%" PRIx64 " size 0x%x"
sdcard_write_data(uint8_t value) "value 0x%02x"
sdcard_read_data(int length) "len %d"
+sdcard_capacity(const char *capacity, int64_t size) "%s card (%ld B)"
# hw/sd/milkymist-memcard.c
milkymist_memcard_memory_read(uint32_t addr, uint32_t value) "addr 0x%08x value 0x%08x"
The current Spec (v2.00) does not support SDXC cards (> 32GB). Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> --- hw/sd/sd.c | 41 +++++++++++++++++++++++++++++++++++++++++ hw/sd/trace-events | 1 + 2 files changed, 42 insertions(+)