hw/arm/bcm2835_peripherals: implement SDHCI Spec v3

Signed-off-by: NPhilippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: NAlistair Francis <alistair.francis@xilinx.com>
Message-Id: <20180208164818.7961-24-f4bug@amsat.org>

hw/arm/bcm2835_peripherals.c

@@ -254,14 +254,19 @@ static void bcm2835_peripherals_realize(DeviceState *dev, Error **errp)
     memory_region_add_subregion(&s->peri_mr, RNG_OFFSET,
                 sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->rng), 0));
 
-    /* Extended Mass Media Controller */
-    object_property_set_int(OBJECT(&s->sdhci), BCM2835_SDHC_CAPAREG, "capareg",
-                            &err);
-    if (err) {
-        error_propagate(errp, err);
-        return;
-    }
-
+    /* Extended Mass Media Controller
+     *
+     * Compatible with:
+     * - SD Host Controller Specification Version 3.0 Draft 1.0
+     * - SDIO Specification Version 3.0
+     * - MMC Specification Version 4.4
+     *
+     * For the exact details please refer to the Arasan documentation:
+     *   SD3.0_Host_AHB_eMMC4.4_Usersguide_ver5.9_jan11_10.pdf
+     */
+    object_property_set_uint(OBJECT(&s->sdhci), 3, "sd-spec-version", &err);
+    object_property_set_uint(OBJECT(&s->sdhci), BCM2835_SDHC_CAPAREG, "capareg",
+                             &err);
     object_property_set_bool(OBJECT(&s->sdhci), true, "pending-insert-quirk",
                              &err);
     if (err) {