diff mbox series

[v42,50/98] hw/sd/sdcard: Add sd_cmd_SEND_CSD/CID handlers (CMD9 & CMD10)

Message ID 20240628070216.92609-51-philmd@linaro.org
State Superseded
Headers show
Series hw/sd/sdcard: Add eMMC support | expand

Commit Message

Philippe Mathieu-Daudé June 28, 2024, 7:01 a.m. UTC 
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 hw/sd/sd.c | 36 ++++++++++++++++++++++--------------
 1 file changed, 22 insertions(+), 14 deletions(-)

Comments

Cédric Le Goater June 28, 2024, 7:59 a.m. UTC | #1 
On 6/28/24 9:01 AM, Philippe Mathieu-Daudé wrote:
> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>


Reviewed-by: Cédric Le Goater <clg@redhat.com>

Thanks,

C.


> ---
>   hw/sd/sd.c | 36 ++++++++++++++++++++++--------------
>   1 file changed, 22 insertions(+), 14 deletions(-)
> 
> diff --git a/hw/sd/sd.c b/hw/sd/sd.c
> index e2f7e99ea2..bd7c7cf518 100644
> --- a/hw/sd/sd.c
> +++ b/hw/sd/sd.c
> @@ -240,8 +240,6 @@ static const char *sd_response_name(sd_rsp_type_t rsp)
>   static const char *sd_cmd_name(SDState *sd, uint8_t cmd)
>   {
>       static const char *cmd_abbrev[SDMMC_CMD_MAX] = {
> -                                             [9]    = "SEND_CSD",
> -        [10]    = "SEND_CID",
>           [12]    = "STOP_TRANSMISSION",      [13]    = "SEND_STATUS",
>                                               [15]    = "GO_INACTIVE_STATE",
>           [16]    = "SET_BLOCKLEN",           [17]    = "READ_SINGLE_BLOCK",
> @@ -1324,6 +1322,26 @@ static sd_rsp_type_t sd_cmd_SEND_IF_COND(SDState *sd, SDRequest req)
>       return sd_r7;
>   }
>   
> +/* CMD9 */
> +static sd_rsp_type_t sd_cmd_SEND_CSD(SDState *sd, SDRequest req)
> +{
> +    if (sd->state != sd_standby_state) {
> +        return sd_invalid_state_for_cmd(sd, req);
> +    }
> +
> +    return sd_req_rca_same(sd, req) ? sd_r2_s : sd_r0;
> +}
> +
> +/* CMD10 */
> +static sd_rsp_type_t sd_cmd_SEND_CID(SDState *sd, SDRequest req)
> +{
> +    if (sd->state != sd_standby_state) {
> +        return sd_invalid_state_for_cmd(sd, req);
> +    }
> +
> +    return sd_req_rca_same(sd, req) ? sd_r2_i : sd_r0;
> +}
> +
>   /* CMD19 */
>   static sd_rsp_type_t sd_cmd_SEND_TUNING_BLOCK(SDState *sd, SDRequest req)
>   {
> @@ -1393,12 +1411,6 @@ static sd_rsp_type_t sd_normal_command(SDState *sd, SDRequest req)
>       case 9:  /* CMD9:   SEND_CSD */
>           rca = sd_req_get_rca(sd, req);
>           switch (sd->state) {
> -        case sd_standby_state:
> -            if (sd->rca != rca)
> -                return sd_r0;
> -
> -            return sd_r2_s;
> -
>           case sd_transfer_state:
>               if (!sd_is_spi(sd)) {
>                   break;
> @@ -1414,12 +1426,6 @@ static sd_rsp_type_t sd_normal_command(SDState *sd, SDRequest req)
>       case 10:  /* CMD10:  SEND_CID */
>           rca = sd_req_get_rca(sd, req);
>           switch (sd->state) {
> -        case sd_standby_state:
> -            if (sd->rca != rca)
> -                return sd_r0;
> -
> -            return sd_r2_i;
> -
>           case sd_transfer_state:
>               if (!sd_is_spi(sd)) {
>                   break;
> @@ -2307,6 +2313,8 @@ static const SDProto sd_proto_sd = {
>           [6]  = {10, sd_adtc, "SWITCH_FUNCTION", sd_cmd_SWITCH_FUNCTION},
>           [7]  = {0,  sd_ac,   "(DE)SELECT_CARD", sd_cmd_DE_SELECT_CARD},
>           [8]  = {0,  sd_bcr,  "SEND_IF_COND", sd_cmd_SEND_IF_COND},
> +        [9]  = {0,  sd_ac,   "SEND_CSD", sd_cmd_SEND_CSD},
> +        [10] = {0,  sd_ac,   "SEND_CID", sd_cmd_SEND_CID},
>           [11] = {0,  sd_ac,   "VOLTAGE_SWITCH", sd_cmd_optional},
>           [19] = {2,  sd_adtc, "SEND_TUNING_BLOCK", sd_cmd_SEND_TUNING_BLOCK},
>           [20] = {2,  sd_ac,   "SPEED_CLASS_CONTROL", sd_cmd_optional},
diff mbox series

Patch

diff --git a/hw/sd/sd.c b/hw/sd/sd.c
index e2f7e99ea2..bd7c7cf518 100644
--- a/hw/sd/sd.c
+++ b/hw/sd/sd.c
@@ -240,8 +240,6 @@  static const char *sd_response_name(sd_rsp_type_t rsp)
 static const char *sd_cmd_name(SDState *sd, uint8_t cmd)
 {
     static const char *cmd_abbrev[SDMMC_CMD_MAX] = {
-                                             [9]    = "SEND_CSD",
-        [10]    = "SEND_CID",
         [12]    = "STOP_TRANSMISSION",      [13]    = "SEND_STATUS",
                                             [15]    = "GO_INACTIVE_STATE",
         [16]    = "SET_BLOCKLEN",           [17]    = "READ_SINGLE_BLOCK",
@@ -1324,6 +1322,26 @@  static sd_rsp_type_t sd_cmd_SEND_IF_COND(SDState *sd, SDRequest req)
     return sd_r7;
 }
 
+/* CMD9 */
+static sd_rsp_type_t sd_cmd_SEND_CSD(SDState *sd, SDRequest req)
+{
+    if (sd->state != sd_standby_state) {
+        return sd_invalid_state_for_cmd(sd, req);
+    }
+
+    return sd_req_rca_same(sd, req) ? sd_r2_s : sd_r0;
+}
+
+/* CMD10 */
+static sd_rsp_type_t sd_cmd_SEND_CID(SDState *sd, SDRequest req)
+{
+    if (sd->state != sd_standby_state) {
+        return sd_invalid_state_for_cmd(sd, req);
+    }
+
+    return sd_req_rca_same(sd, req) ? sd_r2_i : sd_r0;
+}
+
 /* CMD19 */
 static sd_rsp_type_t sd_cmd_SEND_TUNING_BLOCK(SDState *sd, SDRequest req)
 {
@@ -1393,12 +1411,6 @@  static sd_rsp_type_t sd_normal_command(SDState *sd, SDRequest req)
     case 9:  /* CMD9:   SEND_CSD */
         rca = sd_req_get_rca(sd, req);
         switch (sd->state) {
-        case sd_standby_state:
-            if (sd->rca != rca)
-                return sd_r0;
-
-            return sd_r2_s;
-
         case sd_transfer_state:
             if (!sd_is_spi(sd)) {
                 break;
@@ -1414,12 +1426,6 @@  static sd_rsp_type_t sd_normal_command(SDState *sd, SDRequest req)
     case 10:  /* CMD10:  SEND_CID */
         rca = sd_req_get_rca(sd, req);
         switch (sd->state) {
-        case sd_standby_state:
-            if (sd->rca != rca)
-                return sd_r0;
-
-            return sd_r2_i;
-
         case sd_transfer_state:
             if (!sd_is_spi(sd)) {
                 break;
@@ -2307,6 +2313,8 @@  static const SDProto sd_proto_sd = {
         [6]  = {10, sd_adtc, "SWITCH_FUNCTION", sd_cmd_SWITCH_FUNCTION},
         [7]  = {0,  sd_ac,   "(DE)SELECT_CARD", sd_cmd_DE_SELECT_CARD},
         [8]  = {0,  sd_bcr,  "SEND_IF_COND", sd_cmd_SEND_IF_COND},
+        [9]  = {0,  sd_ac,   "SEND_CSD", sd_cmd_SEND_CSD},
+        [10] = {0,  sd_ac,   "SEND_CID", sd_cmd_SEND_CID},
         [11] = {0,  sd_ac,   "VOLTAGE_SWITCH", sd_cmd_optional},
         [19] = {2,  sd_adtc, "SEND_TUNING_BLOCK", sd_cmd_SEND_TUNING_BLOCK},
         [20] = {2,  sd_ac,   "SPEED_CLASS_CONTROL", sd_cmd_optional},