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-rw-r--r--hw/sd.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/hw/sd.c b/hw/sd.c
index a1c98c0100..245b6c3046 100644
--- a/hw/sd.c
+++ b/hw/sd.c
@@ -309,6 +309,11 @@ static void sd_set_rca(SDState *sd)
sd->rca += 0x4567;
}
+/* Card status bits, split by clear condition:
+ * A : According to the card current state
+ * B : Always related to the previous command
+ * C : Cleared by read
+ */
#define CARD_STATUS_A 0x02004100
#define CARD_STATUS_B 0x00c01e00
#define CARD_STATUS_C 0xfd39a028