[PATCH v48 04/12] hw/sd/sdcard: Add emmc_cmd_SET_RELATIVE_ADDR handler (CMD3)

[Philippe Mathieu-Daudé]

From: Cédric Le Goater <clg@kaod.org>

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Tested-by: Andrew Jeffery <andrew@codeconstruct.com.au>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 hw/sd/sd.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/hw/sd/sd.c b/hw/sd/sd.c
index 0e36b0cc2e..7e17bd0736 100644
--- a/hw/sd/sd.c
+++ b/hw/sd/sd.c
@@ -1280,6 +1280,20 @@ static sd_rsp_type_t sd_cmd_SEND_RELATIVE_ADDR(SDState 
*sd, SDRequest req)
     }
 }
 
+static sd_rsp_type_t emmc_cmd_SET_RELATIVE_ADDR(SDState *sd, SDRequest req)
+{
+    switch (sd->state) {
+    case sd_identification_state:
+    case sd_standby_state:
+        sd->state = sd_standby_state;
+        sd_set_rca(sd, req.arg >> 16);
+        return sd_r1;
+
+    default:
+        return sd_invalid_state_for_cmd(sd, req);
+    }
+}
+
 /* CMD6 */
 static sd_rsp_type_t sd_cmd_SWITCH_FUNCTION(SDState *sd, SDRequest req)
 {
@@ -2445,6 +2459,7 @@ static const SDProto sd_proto_emmc = {
         [0]  = {0,  sd_bc,   "GO_IDLE_STATE", sd_cmd_GO_IDLE_STATE},
         [1]  = {0,  sd_bcr,  "SEND_OP_COND", sd_cmd_SEND_OP_COND},
         [2]  = {0,  sd_bcr,  "ALL_SEND_CID", sd_cmd_ALL_SEND_CID},
+        [3]  = {0,  sd_ac,   "SET_RELATIVE_ADDR", emmc_cmd_SET_RELATIVE_ADDR},
         [4]  = {0,  sd_bc,   "SEND_DSR", sd_cmd_unimplemented},
         [7]  = {0,  sd_ac,   "(DE)SELECT_CARD", sd_cmd_DE_SELECT_CARD},
         [9]  = {0,  sd_ac,   "SEND_CSD", sd_cmd_SEND_CSD},
-- 
2.41.0