diff mbox series

[RFC,v42,86/98] hw/sd/sdcard: Add emmc_cmd_SEND_OP_COND handler (CMD1)

Message ID 20240628070216.92609-87-philmd@linaro.org (mailing list archive)
State New, archived
Headers show
Series hw/sd/sdcard: Add eMMC support | expand

Commit Message

Philippe Mathieu-Daudé June 28, 2024, 7:02 a.m. UTC 
From: Sai Pavan Boddu <sai.pavan.boddu@xilinx.com>

Add support to Power up the card and send response r3 in case of MMC.

Signed-off-by: Sai Pavan Boddu <sai.pavan.boddu@xilinx.com>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 hw/sd/sd.c | 7 +++++++
 1 file changed, 7 insertions(+)
diff mbox series

Patch

diff --git a/hw/sd/sd.c b/hw/sd/sd.c
index c6e5c93acb..2dc0209482 100644
--- a/hw/sd/sd.c
+++ b/hw/sd/sd.c
@@ -1190,6 +1190,12 @@  static sd_rsp_type_t spi_cmd_SEND_OP_COND(SDState *sd, SDRequest req)
     return sd_r1;
 }
 
+static sd_rsp_type_t emmc_cmd_SEND_OP_COND(SDState *sd, SDRequest req)
+{
+    sd_ocr_powerup(sd);
+    return sd->state == sd_idle_state ? sd_r3 : sd_r0;
+}
+
 /* CMD2 */
 static sd_rsp_type_t sd_cmd_ALL_SEND_CID(SDState *sd, SDRequest req)
 {
@@ -2398,6 +2404,7 @@  static const SDProto sd_proto_emmc = {
     .name = "eMMC",
     .cmd = {
         [0]  = {0,  sd_bc,   "GO_IDLE_STATE", sd_cmd_GO_IDLE_STATE},
+        [1]  = {0,  sd_bcr,  "SEND_OP_COND", emmc_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},