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

Jaehoon Chung jh80.chung at samsung.com
Fri Aug 5 04:27:22 CEST 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 at samsung.com>
> Reviewed-by: Ziyuan Xu <xzy.xu at 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 */
> 



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