[U-Boot] [PATCH] mmc: dw_mmc: fix the wrong Mask bit boundary for fifo_count bit

Jaehoon Chung jh80.chung at samsung.com
Thu Jul 28 07:26:24 CEST 2016


According to DesignWare TRM, FIFO_COUNT is bit[29:17].
If get the correct fifo_count value, it has to  use the FIFO_MASK
as 0x1FFF, not 0x1FF.

Signed-off-by: Jaehoon Chung <jh80.chung at samsung.com>
---
 include/dwmmc.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/dwmmc.h b/include/dwmmc.h
index 6aebe96..eb03f7f 100644
--- a/include/dwmmc.h
+++ b/include/dwmmc.h
@@ -105,7 +105,7 @@
 
 /* Status Register */
 #define DWMCI_BUSY		(1 << 9)
-#define DWMCI_FIFO_MASK		0x1ff
+#define DWMCI_FIFO_MASK		0x1fff
 #define DWMCI_FIFO_SHIFT	17
 
 /* FIFOTH Register */
-- 
1.9.1



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