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Iglesias" , Alistair Francis Date: Wed, 9 May 2018 03:01:04 -0300 Message-Id: <20180509060104.4458-5-f4bug@amsat.org> X-Mailer: git-send-email 2.17.0 In-Reply-To: <20180509060104.4458-1-f4bug@amsat.org> References: <20180509060104.4458-1-f4bug@amsat.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:400d:c0d::242 Subject: [Qemu-devel] [PATCH v2 4/4] sdcard: Add a 'uhs' property, update the OCR register ACCEPT_SWITCH_1V8 bit X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZohoMail: RDKM_2 RSF_0 Z_629925259 SPT_0 Signed-off-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Alistair Francis --- hw/sd/sd.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/hw/sd/sd.c b/hw/sd/sd.c index d8dd88f872..a0e8a1b46a 100644 --- a/hw/sd/sd.c +++ b/hw/sd/sd.c @@ -94,6 +94,10 @@ struct SDState { =20 BlockBackend *blk; bool spi; + /** + * The UHS mode the card supports if any, else #UHS_NOT_SUPPORTED + */ + uint8_t uhs_mode_supported; =20 /* Runtime changeables */ =20 @@ -300,6 +304,9 @@ static void sd_set_ocr(SDState *sd) { /* All voltages OK */ sd->ocr =3D R_OCR_VDD_VOLTAGE_WIN_HI_MASK; + + sd->ocr =3D FIELD_DP32(sd->ocr, OCR, ACCEPT_SWITCH_1V8, + sd->uhs_mode_supported !=3D UHS_NOT_SUPPORTED); } =20 static void sd_ocr_powerup(void *opaque) @@ -2240,6 +2247,7 @@ static Property sd_properties[] =3D { * board to ensure that ssi transfers only occur when the chip select * is asserted. */ DEFINE_PROP_BOOL("spi", SDState, spi, false), + DEFINE_PROP_UINT8("uhs", SDState, uhs_mode_supported, UHS_NOT_SUPPORTE= D), DEFINE_PROP_END_OF_LIST() }; =20 --=20 2.17.0