[PATCH 3/4] hw/arm: Attach MMC to quanta-gbs-bmc

[Hao Wu <wuhaotsh@google.com>]

From: Shengtan Mao <stmao@google.com>

Signed-off-by: Shengtan Mao <stmao@google.com>
Reviewed-by: Hao Wu <wuhaotsh@google.com>
Reviewed-by: Tyrone Ting <kfting@nuvoton.com>
---
 hw/arm/npcm7xx_boards.c | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/hw/arm/npcm7xx_boards.c b/hw/arm/npcm7xx_boards.c
index e5a3243995..7205483280 100644
--- a/hw/arm/npcm7xx_boards.c
+++ b/hw/arm/npcm7xx_boards.c
@@ -27,6 +27,10 @@
 #include "qemu-common.h"
 #include "qemu/datadir.h"
 #include "qemu/units.h"
+#include "sysemu/blockdev.h"
+#include "sysemu/sysemu.h"
+#include "sysemu/block-backend.h"
+
 
 #define NPCM750_EVB_POWER_ON_STRAPS 0x00001ff7
 #define QUANTA_GSJ_POWER_ON_STRAPS 0x00001fff
@@ -80,6 +84,22 @@ static void npcm7xx_connect_dram(NPCM7xxState *soc, MemoryRegion *dram)
                              &error_abort);
 }
 
+static void sdhci_attach_drive(SDHCIState *sdhci)
+{
+        DriveInfo *di = drive_get_next(IF_SD);
+        BlockBackend *blk = di ? blk_by_legacy_dinfo(di) : NULL;
+
+        BusState *bus = qdev_get_child_bus(DEVICE(sdhci), "sd-bus");
+        if (bus == NULL) {
+            error_report("No SD bus found in SOC object");
+            exit(1);
+        }
+
+        DeviceState *carddev = qdev_new(TYPE_SD_CARD);
+        qdev_prop_set_drive_err(carddev, "drive", blk, &error_fatal);
+        qdev_realize_and_unref(carddev, bus, &error_fatal);
+}
+
 static NPCM7xxState *npcm7xx_create_soc(MachineState *machine,
                                         uint32_t hw_straps)
 {
@@ -354,6 +374,7 @@ static void quanta_gbs_init(MachineState *machine)
                           drive_get(IF_MTD, 0, 0));
 
     quanta_gbs_i2c_init(soc);
+    sdhci_attach_drive(&soc->mmc.sdhci);
     npcm7xx_load_kernel(machine, soc);
 }
 
-- 
2.33.0.153.gba50c8fa24-goog