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-rw-r--r--hw/sd/sd.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/hw/sd/sd.c b/hw/sd/sd.c
index 73e405a04f..a8d7a522c0 100644
--- a/hw/sd/sd.c
+++ b/hw/sd/sd.c
@@ -128,6 +128,18 @@ struct SDState {
bool enable;
};
+static void sd_set_voltage(SDState *sd, uint16_t millivolts)
+{
+ switch (millivolts) {
+ case 3001 ... 3600: /* SD_VOLTAGE_3_3V */
+ case 2001 ... 3000: /* SD_VOLTAGE_3_0V */
+ break;
+ default:
+ qemu_log_mask(LOG_GUEST_ERROR, "SD card voltage not supported: %.3fV",
+ millivolts / 1000.f);
+ }
+}
+
static void sd_set_mode(SDState *sd)
{
switch (sd->state) {
@@ -1926,6 +1938,7 @@ static void sd_class_init(ObjectClass *klass, void *data)
dc->reset = sd_reset;
dc->bus_type = TYPE_SD_BUS;
+ sc->set_voltage = sd_set_voltage;
sc->do_command = sd_do_command;
sc->write_data = sd_write_data;
sc->read_data = sd_read_data;