driver/ddr/fsl: Add workaround for A008336

[u-boot] / README

diff --git a/README b/README
index a11e74aff1b923f3c7cd8381305c32640a61a28e..ba57dc5617a3823ca8345b5f5751035a046cbcc5 100644 (file)
--- 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