From b8d334c828f14a341e18bcc123b303ec29f8df76 Mon Sep 17 00:00:00 2001 From: Peter Maydell Date: Sun, 18 Dec 2011 21:37:52 +0100 Subject: [PATCH] hw/sd.c: Add comment regarding CARD_STATUS_* defines Add a clarifying comment about what the CARD_STATUS_[ABC] macros are defining. Signed-off-by: Peter Maydell Signed-off-by: Andrzej Zaborowski --- hw/sd.c | 5 +++++ 1 file changed, 5 insertions(+) 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 -- 2.11.0