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| author | Rob Herring <rob.herring@calxeda.com> | 2013-02-13 16:24:45 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2013-02-18 15:40:33 +0100 |
| commit | d7ff8c47ecc1dd57d3243245c669d65f7593d0d9 (patch) | |
| tree | 123eb7c3929489b117b3bc052e85c8ee6d6e1a13 | |
| parent | aa377106d1edd3b6edb633335af909dfc6b65637 (diff) | |
| download | barebox-d7ff8c47ecc1dd57d3243245c669d65f7593d0d9.tar.gz barebox-d7ff8c47ecc1dd57d3243245c669d65f7593d0d9.tar.xz | |
amba: pl011: set RTS during initialization
RTS is an output. Either flow control is used and you care about the state or
it is not used and you don't care. So setting it to active does no harm in
either case. This is inline with what Linux does.
Mandatory for Highbank as example
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| -rw-r--r-- | drivers/serial/amba-pl011.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/serial/amba-pl011.c b/drivers/serial/amba-pl011.c index 58c69e5c2..0e075880e 100644 --- a/drivers/serial/amba-pl011.c +++ b/drivers/serial/amba-pl011.c @@ -175,7 +175,7 @@ int pl011_init_port (struct console_device *cdev) /* ** Finally, enable the UART */ - writel((UART01x_CR_UARTEN | UART011_CR_TXE | UART011_CR_RXE), + writel((UART01x_CR_UARTEN | UART011_CR_TXE | UART011_CR_RXE | UART011_CR_RTS), uart->base + UART011_CR); return 0; |