[Qemu-devel] [PATCH v3 35/42] hw/arm/xilinx_zynqmp: implement SDHCI Spec v3

["Philippe Mathieu-Daudé" <f4bug@amsat.org>]

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
---
 hw/arm/xlnx-zynqmp.c | 38 +++++++++++++++++++++++++++-----------
 1 file changed, 27 insertions(+), 11 deletions(-)

diff --git a/hw/arm/xlnx-zynqmp.c b/hw/arm/xlnx-zynqmp.c
index 325642058b..dacf89c566 100644
--- a/hw/arm/xlnx-zynqmp.c
+++ b/hw/arm/xlnx-zynqmp.c
@@ -381,22 +381,38 @@ static void xlnx_zynqmp_realize(DeviceState *dev, Error **errp)
     sysbus_connect_irq(SYS_BUS_DEVICE(&s->sata), 0, gic_spi[SATA_INTR]);
 
     for (i = 0; i < XLNX_ZYNQMP_NUM_SDHCI; i++) {
-        char *bus_name;
-
-        object_property_set_bool(OBJECT(&s->sdhci[i]), true,
-                                 "realized", &err);
+        char *bus_name = g_strdup_printf("sd-bus%d", i);
+        SysBusDevice *sbd = SYS_BUS_DEVICE(&s->sdhci[i]);
+        Object *sdhci = OBJECT(&s->sdhci[i]);
+
+        /* Compatible with:
+         * - SD Host Controller Specification Version 3.00
+         * - SDIO Specification Version 3.0
+         * - eMMC Specification Version 4.51
+         *
+         * Host clock rate variable between 0 and 208 MHz
+         * Transfers the data in SDR104, SDR50, DDR50 modes
+         * (SDR104 mode: up to 832Mbits/s using 4 parallel data lines)
+         * Transfers the data in 1 bit and 4 bit SD modes
+         * UHS speed modes, 1.8V
+         * voltage switch, tuning commands
+         */
+        object_property_set_uint(sdhci, 3, "sd-spec-version", &err);
+        object_property_set_bool(sdhci, true, "suspend", &err);
+        object_property_set_bool(sdhci, true, "1v8", &err);
+        object_property_set_bool(sdhci, true, "64bit", &err);
+        object_property_set_uint(sdhci, 0b111, "bus-speed", &err);
+        object_property_set_uint(sdhci, 0b111, "driver-strength", &err);
+        object_property_set_bool(sdhci, true, "realized", &err);
         if (err) {
             error_propagate(errp, err);
             return;
         }
-        sysbus_mmio_map(SYS_BUS_DEVICE(&s->sdhci[i]), 0,
-                        sdhci_addr[i]);
-        sysbus_connect_irq(SYS_BUS_DEVICE(&s->sdhci[i]), 0,
-                           gic_spi[sdhci_intr[i]]);
+        sysbus_mmio_map(sbd, 0, sdhci_addr[i]);
+        sysbus_connect_irq(sbd, 0, gic_spi[sdhci_intr[i]]);
+
         /* Alias controller SD bus to the SoC itself */
-        bus_name = g_strdup_printf("sd-bus%d", i);
-        object_property_add_alias(OBJECT(s), bus_name,
-                                  OBJECT(&s->sdhci[i]), "sd-bus",
+        object_property_add_alias(OBJECT(s), bus_name, sdhci, "sd-bus",
                                   &error_abort);
         g_free(bus_name);
     }
-- 
2.15.1