[U-Boot] [PATCHv4 1/4] Serial: p1011: new vendor init options

Kumar Gala galak at kernel.crashing.org
Tue Apr 19 22:59:04 CEST 2011


On Apr 19, 2011, at 3:42 PM, John Rigby wrote:

> Two new options:
> 
> CONFIG_PL011_SERIAL_RLCR
> 
> Some vendor versions of PL011 serial ports (e.g. ST-Ericsson U8500)
> have separate receive and transmit line control registers.  Set
> this variable to initialize the extra register.
> 
> CONFIG_PL011_SERIAL_FLUSH_ON_INIT
> 
> On some platforms (e.g. U8500) U-Boot is loaded by a second stage
> boot loader that has already initialized the UART.  Define this
> variable to flush the UART at init time.
> empty fifo on init
> 
> Signed-off-by: John Rigby <john.rigby at linaro.org>
> Signed-off-by: Rabin Vincent <rabin.vincent at stericsson.com>
> ---
> v2: No changes
> v3: Enable changes with new CONFIG_* options instead of platform.
> Document new CONFIG_* options in README.
> v4: Added delay before writing to RLCR.
> Removed Rabin as author at his request.
> 
> README                        |   12 ++++++++++++
> drivers/serial/serial_pl01x.c |   30 +++++++++++++++++++++++++++---
> drivers/serial/serial_pl01x.h |    4 ++++
> 3 files changed, 43 insertions(+), 3 deletions(-)

Just a nit, but the subject appears to be 'p1' not 'pl'.

(that is a one, not the letter L)

- k


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