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| /openbmc/linux/drivers/tty/serial/8250/ |
| H A D | 8250_fintek.c | diff fab8a02b73eb2a42c589f943c377143f04b2bb73 Tue Mar 14 09:09:14 CDT 2017 Lukas Redlinger <rel+kernel@agilox.net> serial: 8250_fintek: Enable high speed mode on Fintek F81866
Fintek F81866 supports baud rates higher than 115200 but needs to raise
it's clock speed from 1.84 to 14.76 MHz.
This is eight times faster, so gives 921600 as resulting baud_base.
F81866 clock register 0xf2:
Bit 7-2 reserved
Bit 1-0 00: 1.8432MHz
01: 18.432MHz
10: 24MHz
11: 14.769MHz
Signed-off-by: Lukas Redlinger <rel+kernel@agilox.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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