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sdhci: implement UHS-I voltage switch

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[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>
This commit is contained in:
Philippe Mathieu-Daudé 2018-02-08 13:48:09 -03:00 • committed by Paolo Bonzini
parent 238cd93567
commit 0034ebe6ee
6 changed files with 55 additions and 1 deletions
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13
hw/sd/core.c
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@ -41,6 +41,19 @@ static SDState *get_card(SDBus *sdbus)
return SD_CARD(kid->child);
}
void sdbus_set_voltage(SDBus *sdbus, uint16_t millivolts)
{
SDState *card = get_card(sdbus);
trace_sdbus_set_voltage(sdbus_name(sdbus), millivolts);
if (card) {
SDCardClass *sc = SD_CARD_GET_CLASS(card);
assert(sc->set_voltage);
sc->set_voltage(card, millivolts);
}
}
int sdbus_do_command(SDBus *sdbus, SDRequest *req, uint8_t *response)
{
SDState *card = get_card(sdbus);