serial_pl011: Set RTS during initialization

If the pl011 is connected to another device which has hardware
flow-control on, characters are never received by the pl011.
Asserting RTS when flow-control is off will have no effect.

This is in line with how Linux behaves.

Signed-off-by: Joshua Housh <joshua.housh@calxeda.com>
Tested-by: Marek Vasut <marex@denx.de>
master
Joshua Housh 12 years ago committed by Tom Rini
parent fcdde04c20
commit 10501df05e
  1. 4
      drivers/serial/serial_pl01x.c

@ -163,8 +163,8 @@ static int pl01x_serial_init(void)
}
#endif
/* Finally, enable the UART */
writel(UART_PL011_CR_UARTEN | UART_PL011_CR_TXE | UART_PL011_CR_RXE,
&regs->pl011_cr);
writel(UART_PL011_CR_UARTEN | UART_PL011_CR_TXE | UART_PL011_CR_RXE |
UART_PL011_CR_RTS, &regs->pl011_cr);
return 0;
}

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