runqemu: add sd card device

runqemu currently only supports scsi, ide and virtio drive types.
Implement QB_DRIVE_TYPE=/dev/mmcblk which adds an sdhci-pci device and
mounts the rootfs file as an sd card.

Signed-off-by: Alessandro Pecugi <alessandro.pecugi@seco.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

diff --git a/scripts/runqemu b/scripts/runqemu
index f350021258ad80896b053fd0f458877616543a6f..2817acb19fa497f5dfdaa2ad4935323fe2f6ece7 100755 (executable)
--- a/scripts/runqemu
+++ b/scripts/runqemu
@@ -1295,6 +1295,10 @@ to your build configuration.
                     elif drive_type.startswith("/dev/hd"):
                         logger.info('Using ide drive')
                         vm_drive = "-drive file=%s,format=%s" % (self.rootfs, rootfs_format)
+                    elif drive_type.startswith("/dev/mmcblk"):
+                        logger.info('Using sdcard drive')
+                        vm_drive = '-drive id=sdcard0,if=none,file=%s,format=%s -device sdhci-pci -device sd-card,drive=sdcard0' \
+                                    % (self.rootfs, rootfs_format)
                     elif drive_type.startswith("/dev/vdb"):
                         logger.info('Using block virtio drive');
                         vm_drive = '-drive id=disk0,file=%s,if=none,format=%s -device virtio-blk-device,drive=disk0%s' \