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| author | John Rigby <john.rigby@linaro.org> | 2011-04-19 10:42:39 +0000 |
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2011-05-12 19:09:07 +0200 |
| commit | 910f1ae3eb05533ac0c7f7fe5b31b50b91f7f0e1 (patch) | |
| tree | 9ef4f320297799db6bf99aa0ea5d29d2bcf492fb /README | |
| parent | 264eaa0ea967bac32214b87d60cfc86c8b22cac6 (diff) | |
| download | u-boot-imx-910f1ae3eb05533ac0c7f7fe5b31b50b91f7f0e1.zip u-boot-imx-910f1ae3eb05533ac0c7f7fe5b31b50b91f7f0e1.tar.gz u-boot-imx-910f1ae3eb05533ac0c7f7fe5b31b50b91f7f0e1.tar.bz2 | |
Serial: p1011: new vendor init options
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@linaro.org>
Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com>
Diffstat (limited to 'README')
| -rw-r--r-- | README | 12 |
1 files changed, 12 insertions, 0 deletions
@@ -475,6 +475,18 @@ The following options need to be configured: define this to a list of base addresses for each (supported) port. See e.g. include/configs/versatile.h + 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. + - Console Interface: Depending on board, define exactly one serial port |