[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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