atstk100x: move CONFIG_SYS_TEXT_BASE to header

[karo-tx-uboot.git] / README

diff --git a/README b/README
index 76b150005f8d1f63ea36fd92e02c06411fdb3eda..6f3748d6dc4c2a8d4ce491d92420acffa9e42d36 100644 (file)
--- a/README
+++ b/README
@@ -1,5 +1,5 @@
 #
-# (C) Copyright 2000 - 2009
+# (C) Copyright 2000 - 2011
 # Wolfgang Denk, DENX Software Engineering, wd@denx.de.
 #
 # See file CREDITS for list of people who contributed to this
@@ -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
@@ -727,10 +739,17 @@ The following options need to be configured:
 - Watchdog:
                CONFIG_WATCHDOG
                If this variable is defined, it enables watchdog
-               support. There must be support in the platform specific
-               code for a watchdog. For the 8xx and 8260 CPUs, the
-               SIU Watchdog feature is enabled in the SYPCR
-               register.
+               support for the SoC. There must be support in the SoC
+               specific code for a watchdog. For the 8xx and 8260
+               CPUs, the SIU Watchdog feature is enabled in the SYPCR
+               register.  When supported for a specific SoC is
+               available, then no further board specific code should
+               be needed to use it.
+
+               CONFIG_HW_WATCHDOG
+               When using a watchdog circuitry external to the used
+               SoC, then define this variable and provide board
+               specific code for the "hw_watchdog_reset" function.
 
 - U-Boot Version:
                CONFIG_VERSION_VARIABLE
@@ -1310,7 +1329,6 @@ The following options need to be configured:
                driver in use must provide a function: mcast() to join/leave a
                multicast group.
 
-               CONFIG_BOOTP_RANDOM_DELAY
 - BOOTP Recovery Mode:
                CONFIG_BOOTP_RANDOM_DELAY