[PATCH v42 20/98] hw/sd/sdcard: Convert SEND_CSD/SEND_CID to generic_read_byte (CMD9 & 10)

Philippe Mathieu-Daudé posted 98 patches 6 months ago
There is a newer version of this series
[PATCH v42 20/98] hw/sd/sdcard: Convert SEND_CSD/SEND_CID to generic_read_byte (CMD9 & 10)
Posted by Philippe Mathieu-Daudé 6 months ago
From: Philippe Mathieu-Daudé <f4bug@amsat.org>

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 hw/sd/sd.c | 24 ++++++------------------
 1 file changed, 6 insertions(+), 18 deletions(-)

diff --git a/hw/sd/sd.c b/hw/sd/sd.c
index f7735c39a8..8201f3245c 100644
--- a/hw/sd/sd.c
+++ b/hw/sd/sd.c
@@ -1312,11 +1312,8 @@ static sd_rsp_type_t sd_normal_command(SDState *sd, SDRequest req)
             if (!sd_is_spi(sd)) {
                 break;
             }
-            sd->state = sd_sendingdata_state;
-            memcpy(sd->data, sd->csd, 16);
-            sd->data_start = sd_req_get_address(sd, req);
-            sd->data_offset = 0;
-            return sd_r1;
+            return sd_cmd_to_sendingdata(sd, req, sd_req_get_address(sd, req),
+                                         sd->csd, 16);
 
         default:
             break;
@@ -1336,11 +1333,8 @@ static sd_rsp_type_t sd_normal_command(SDState *sd, SDRequest req)
             if (!sd_is_spi(sd)) {
                 break;
             }
-            sd->state = sd_sendingdata_state;
-            memcpy(sd->data, sd->cid, 16);
-            sd->data_start = sd_req_get_address(sd, req);
-            sd->data_offset = 0;
-            return sd_r1;
+            return sd_cmd_to_sendingdata(sd, req, sd_req_get_address(sd, req),
+                                         sd->cid, 16);
 
         default:
             break;
@@ -2130,15 +2124,9 @@ uint8_t sd_read_byte(SDState *sd)
                            sd->current_cmd, sd->data_offset, io_len);
     switch (sd->current_cmd) {
     case 6:  /* CMD6:   SWITCH_FUNCTION */
-        sd_generic_read_byte(sd, &ret);
-        break;
-
     case 9:  /* CMD9:   SEND_CSD */
-    case 10:  /* CMD10:  SEND_CID */
-        ret = sd->data[sd->data_offset ++];
-
-        if (sd->data_offset >= 16)
-            sd->state = sd_transfer_state;
+    case 10: /* CMD10:  SEND_CID */
+        sd_generic_read_byte(sd, &ret);
         break;
 
     case 13:  /* ACMD13: SD_STATUS */
-- 
2.41.0


Re: [PATCH v42 20/98] hw/sd/sdcard: Convert SEND_CSD/SEND_CID to generic_read_byte (CMD9 & 10)
Posted by Cédric Le Goater 6 months ago
On 6/28/24 9:00 AM, Philippe Mathieu-Daudé wrote:
> From: Philippe Mathieu-Daudé <f4bug@amsat.org>
> 
> Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>


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

Thanks,

C.


> ---
>   hw/sd/sd.c | 24 ++++++------------------
>   1 file changed, 6 insertions(+), 18 deletions(-)
> 
> diff --git a/hw/sd/sd.c b/hw/sd/sd.c
> index f7735c39a8..8201f3245c 100644
> --- a/hw/sd/sd.c
> +++ b/hw/sd/sd.c
> @@ -1312,11 +1312,8 @@ static sd_rsp_type_t sd_normal_command(SDState *sd, SDRequest req)
>               if (!sd_is_spi(sd)) {
>                   break;
>               }
> -            sd->state = sd_sendingdata_state;
> -            memcpy(sd->data, sd->csd, 16);
> -            sd->data_start = sd_req_get_address(sd, req);
> -            sd->data_offset = 0;
> -            return sd_r1;
> +            return sd_cmd_to_sendingdata(sd, req, sd_req_get_address(sd, req),
> +                                         sd->csd, 16);
>   
>           default:
>               break;
> @@ -1336,11 +1333,8 @@ static sd_rsp_type_t sd_normal_command(SDState *sd, SDRequest req)
>               if (!sd_is_spi(sd)) {
>                   break;
>               }
> -            sd->state = sd_sendingdata_state;
> -            memcpy(sd->data, sd->cid, 16);
> -            sd->data_start = sd_req_get_address(sd, req);
> -            sd->data_offset = 0;
> -            return sd_r1;
> +            return sd_cmd_to_sendingdata(sd, req, sd_req_get_address(sd, req),
> +                                         sd->cid, 16);
>   
>           default:
>               break;
> @@ -2130,15 +2124,9 @@ uint8_t sd_read_byte(SDState *sd)
>                              sd->current_cmd, sd->data_offset, io_len);
>       switch (sd->current_cmd) {
>       case 6:  /* CMD6:   SWITCH_FUNCTION */
> -        sd_generic_read_byte(sd, &ret);
> -        break;
> -
>       case 9:  /* CMD9:   SEND_CSD */
> -    case 10:  /* CMD10:  SEND_CID */
> -        ret = sd->data[sd->data_offset ++];
> -
> -        if (sd->data_offset >= 16)
> -            sd->state = sd_transfer_state;
> +    case 10: /* CMD10:  SEND_CID */
> +        sd_generic_read_byte(sd, &ret);
>           break;
>   
>       case 13:  /* ACMD13: SD_STATUS */