Messages in this thread | | | Date | Tue, 27 May 2008 20:06:25 +0200 | From | "Andrew Victor" <> | Subject | Re: [PATCH] atmel_serial: Filter out FP during baud rate detection |
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hi Haavard,
> I made a change to u-boot that used the FP (Fractional Part) field of > BRGR to achieve more accurate baud rate generation. Unfortunately, the > atmel_serial driver looks at the whole BRGR register when trying to > detect the baud rate that the port is currently running at, so setting > FP to a nonzero value breaks the baud rate detection.
> Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
Acked-by: Andrew Victor <linux@maxim.org.za>
The FP (Fractional Part) is not supported on some AT91 processors (RM9200, SAM9261) though. Those bits in BRGR are undefined.
Regards, Andrew Victor
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