[PULL 15/18] hw/sd: sd: Skip write protect groups check in CMD24/25 for high capacity cards

[Philippe Mathieu-Daudé]

From: Bin Meng <bin.meng@windriver.com>

High capacity cards don't support write protection hence we should
not perform the write protect groups check in CMD24/25 for them.

Signed-off-by: Bin Meng <bin.meng@windriver.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20210216150225.27996-8-bmeng.cn@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
---
 hw/sd/sd.c | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/hw/sd/sd.c b/hw/sd/sd.c
index 883c04de028..3a515a5365f 100644
--- a/hw/sd/sd.c
+++ b/hw/sd/sd.c
@@ -1268,8 +1268,10 @@ static sd_rsp_type_t sd_normal_command(SDState *sd, 
SDRequest req)
             sd->data_offset = 0;
             sd->blk_written = 0;
 
-            if (sd_wp_addr(sd, sd->data_start)) {
-                sd->card_status |= WP_VIOLATION;
+            if (sd->size <= SDSC_MAX_CAPACITY) {
+                if (sd_wp_addr(sd, sd->data_start)) {
+                    sd->card_status |= WP_VIOLATION;
+                }
             }
             if (sd->csd[14] & 0x30) {
                 sd->card_status |= WP_VIOLATION;
@@ -1821,9 +1823,11 @@ void sd_write_byte(SDState *sd, uint8_t value)
                 sd->card_status |= ADDRESS_ERROR;
                 break;
             }
-            if (sd_wp_addr(sd, sd->data_start)) {
-                sd->card_status |= WP_VIOLATION;
-                break;
+            if (sd->size <= SDSC_MAX_CAPACITY) {
+                if (sd_wp_addr(sd, sd->data_start)) {
+                    sd->card_status |= WP_VIOLATION;
+                    break;
+                }
             }
         }
         sd->data[sd->data_offset++] = value;
-- 
2.26.2