These commands got introduced by Spec v3.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
---
 hw/sd/sd.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/hw/sd/sd.c b/hw/sd/sd.c
index 83426da133..ac202e05a1 100644
--- a/hw/sd/sd.c
+++ b/hw/sd/sd.c
@@ -1178,6 +1178,9 @@ static sd_rsp_type_t sd_normal_command(SDState *sd, SDRequest req)
         break;
 
     case 19:    /* CMD19: SEND_TUNING_BLOCK (SD) */
+        if (sd->spec_version < SD_PHY_SPECv3_01_VERS) {
+            break;
+        }
         if (sd->state == sd_transfer_state) {
             sd->state = sd_sendingdata_state;
             sd->data_offset = 0;
@@ -1186,6 +1189,9 @@ static sd_rsp_type_t sd_normal_command(SDState *sd, SDRequest req)
         break;
 
     case 23:    /* CMD23: SET_BLOCK_COUNT */
+        if (sd->spec_version < SD_PHY_SPECv3_01_VERS) {
+            break;
+        }
         switch (sd->state) {
         case sd_transfer_state:
             sd->multi_blk_cnt = req.arg;
-- 
2.17.1