On Mon, 23 May 2022 at 17:40, Icenowy Zheng wrote:
>
> 在 2022-05-23星期一的 15:14 +0100,Peter Maydell写道:
> > On Fri, 20 May 2022 at 13:42, Icenowy Zheng wrote:
> > >
> > > U-Boot queries the FIFO water level to reduce checking status
> > > register
> > > when doing PIO SD card operation.
> > >
> > >
在 2022-05-23星期一的 15:14 +0100,Peter Maydell写道:
> On Fri, 20 May 2022 at 13:42, Icenowy Zheng wrote:
> >
> > U-Boot queries the FIFO water level to reduce checking status
> > register
> > when doing PIO SD card operation.
> >
> > Report a FIFO water level of 1 when data is ready, to prevent the
>
On Fri, 20 May 2022 at 13:42, Icenowy Zheng wrote:
>
> U-Boot queries the FIFO water level to reduce checking status register
> when doing PIO SD card operation.
>
> Report a FIFO water level of 1 when data is ready, to prevent the code
> from trying to read 0 words from the FIFO each time.
>
> Si
U-Boot queries the FIFO water level to reduce checking status register
when doing PIO SD card operation.
Report a FIFO water level of 1 when data is ready, to prevent the code
from trying to read 0 words from the FIFO each time.
Signed-off-by: Icenowy Zheng
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hw/sd/allwinner-sdhost.c | 7