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authorwdenk <wdenk>2005-01-09 22:28:56 (GMT)
committerwdenk <wdenk>2005-01-09 22:28:56 (GMT)
commitff36fd8591776405eeb3a086ba1136bf1ece2ffb (patch)
tree699daa2141b56019375455c976c17cdf096f4431 /doc/README.serial_multi
parent6310eb9da74b1cf33194ae88275cc63b76e7a764 (diff)
downloadu-boot-ff36fd8591776405eeb3a086ba1136bf1ece2ffb.tar.xz
* Patch by Leif Lindholm, 23 Sep 2004:
add support for the AMD db1550 board * Patch by Travis Sawyer, 15 Sep 2004: Add CONFIG_SERIAL_MULTI support for ppc4xx, update README.serial_multi
Diffstat (limited to 'doc/README.serial_multi')
-rw-r--r--doc/README.serial_multi17
1 files changed, 17 insertions, 0 deletions
diff --git a/doc/README.serial_multi b/doc/README.serial_multi
index 1d73376..a8d48fc 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