[v2,3/5] hw/arm: Attach MMC to quanta-gbs-bmc

Commit Message

Hao Wu Oct. 8, 2021, 12:26 a.m. UTC

From: Shengtan Mao <[e-mail]>

Signed-off-by: Shengtan Mao <[e-mail]>
Reviewed-by: Hao Wu <[e-mail]>
Reviewed-by: Tyrone Ting <[e-mail]>
Signed-off-by: Hao Wu <[e-mail]>
Reviewed-by: Peter Maydell <[e-mail]>
---
 hw/arm/npcm7xx_boards.c | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

Patch

diff --git a/hw/arm/npcm7xx_boards.c b/hw/arm/npcm7xx_boards.c
index a656169f61..dec7d16ae5 100644
--- a/hw/arm/npcm7xx_boards.c
+++ b/hw/arm/npcm7xx_boards.c
@@ -27,6 +27,9 @@ 
 #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
@@ -81,6 +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)
 {
@@ -355,6 +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);
 }