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| author | Philippe Mathieu-Daudé <f4bug@amsat.org> | 2018-02-08 13:48:09 -0300 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2018-02-13 16:15:08 +0100 |
| commit | 0034ebe6ee3151e5c54fd13c6f441429bd2cdadf (patch) | |
| tree | 2da682a7258b0b1796426a485ea1429e2803fb66 /hw/sd/sd.c | |
| parent | 238cd93567253e0126fbd0c0c3bc75aa43e46a5d (diff) | |
| download | focaccia-qemu-0034ebe6ee3151e5c54fd13c6f441429bd2cdadf.tar.gz focaccia-qemu-0034ebe6ee3151e5c54fd13c6f441429bd2cdadf.zip | |
sdhci: implement UHS-I voltage switch
[based on a patch from Alistair Francis <alistair.francis@xilinx.com> from qemu/xilinx tag xilinx-v2015.2] Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Alistair Francis <alistair.francis@xilinx.com> Message-Id: <20180208164818.7961-22-f4bug@amsat.org>
Diffstat (limited to 'hw/sd/sd.c')
| -rw-r--r-- | hw/sd/sd.c | 13 |
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; |