From: Joshua Housh <joshua.ho...@calxeda.com> 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.ho...@calxeda.com> --- drivers/serial/serial_pl01x.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/serial/serial_pl01x.c b/drivers/serial/serial_pl01x.c index b331be7..dfdba9f 100644 --- a/drivers/serial/serial_pl01x.c +++ b/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, - ®s->pl011_cr); + writel(UART_PL011_CR_UARTEN | UART_PL011_CR_TXE | UART_PL011_CR_RXE | + UART_PL011_CR_RTS, ®s->pl011_cr); return 0; } -- 1.7.10.4 _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot