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

5 Aug 2016

On 07/28/2016 02:26 PM, Jaehoon Chung wrote:
...
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@samsung.com
Reviewed-by: Ziyuan Xu xzy.xu@rock-chips.com
Applied on u-boot-mmc. Thanks!
Best Regards,
Jaehoon Chung
...

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 */

    