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-rw-r--r--README17
1 files changed, 13 insertions, 4 deletions
diff --git a/README b/README
index fefa71c..ba57dc5 100644
--- a/README
+++ b/README
@@ -1257,6 +1257,9 @@ The following options need to be configured:
SoC, then define this variable and provide board
specific code for the "hw_watchdog_reset" function.
+ CONFIG_AT91_HW_WDT_TIMEOUT
+ specify the timeout in seconds. default 2 seconds.
+
- U-Boot Version:
CONFIG_VERSION_VARIABLE
If this variable is defined, an environment variable
@@ -3176,8 +3179,13 @@ CBFS (Coreboot Filesystem) support
This enables the RSA algorithm used for FIT image verification
in U-Boot. See doc/uImage.FIT/signature.txt for more information.
+ The Modular Exponentiation algorithm in RSA is implemented using
+ driver model. So CONFIG_DM needs to be enabled by default for this
+ library to function.
+
The signing part is build into mkimage regardless of this
- option.
+ option. The software based modular exponentiation is built into
+ mkimage irrespective of this option.
- bootcount support:
CONFIG_BOOTCOUNT_LIMIT
@@ -5899,9 +5907,10 @@ option performs the converse operation of the mkimage's second form (the "-d"
option). Given an image built by mkimage, the dumpimage extracts a "data file"
from the image:
- tools/dumpimage -i image -p position data_file
- -i ==> extract from the 'image' a specific 'data_file', \
- indexed by 'position'
+ tools/dumpimage -i image -T type -p position data_file
+ -i ==> extract from the 'image' a specific 'data_file'
+ -T ==> set image type to 'type'
+ -p ==> 'position' (starting at 0) of the 'data_file' inside the 'image'
Installing a Linux Image: