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Diffstat (limited to 'doc/README.serial_multi')
| -rw-r--r-- | doc/README.serial_multi | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/doc/README.serial_multi b/doc/README.serial_multi index 1d73376b2c..a8d48fc4d9 100644 --- a/doc/README.serial_multi +++ b/doc/README.serial_multi @@ -2,6 +2,8 @@ The support for multiple serial interfaces as implemented is mainly intended to allow for modem dial-in / dial-out while still being able to use a serial console on a (different) serial port. +MPC8XX Specific +=============== At the moment, the ports must be split on a SMC and a SCC port on a 8xx processor; other configurations are not (yet) supported. @@ -35,3 +37,18 @@ just after switching the console: After that press 'enter' at the SCC console. Note that baudrates <38400 are not allowed on LWMON with watchdog enabled (see CFG_BAUDRATE_TABLE in include/configs/lwmon.h). + + +PPC4XX Specific +=============== +*) The default console is UART0 + +*) The console can be switched to UART1 by any of the following commands: + setenv stdout serial1 + setenv stderr serial1 + setenv stdin serial1 + +*) The console can be switched to UART0 by any of the following commands: + setenv stdout serial0 + setenv stderr serial0 + setenv stdin serial0 |