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IXP: enable RTS

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enables the RTS signal with CONFIG_SERIAL_RTS_ACTIVE.
No handshaking is done, but the active RTS signal allows to
connect to the target using a PC which is using RTS/CTS
handshake, and does no harm if the PC is set to ignore RTS.

Signed-off-by: Michael Schwingen <michael@schwingen.org>
This commit is contained in:
Michael Schwingen 2008-01-10 14:59:46 +01:00 committed by Jean-Christophe PLAGNIOL-VILLARD
parent a1cf027a08
commit 96bd462942
1 changed files with 5 additions and 1 deletions
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6
cpu/ixp/serial.c
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@ -58,7 +58,11 @@ void serial_setbrg (void)
DLL(uart) = quot & 0xff;
DLH(uart) = quot >> 8;
LCR(uart) = LCR_WLS0 | LCR_WLS1;
#ifdef CONFIG_SERIAL_RTS_ACTIVE
MCR(uart) = MCR_RTS; /* set RTS active */
#else
MCR(uart) = 0; /* set RTS inactive */
#endif
IER(uart) = IER_UUE;
}