common/board_f: Initialized global data for generic board

[karo-tx-uboot.git] / README

diff --git a/README b/README
index 61c2caca3168188d29c12ed61910c9edcac58b94..5f895520e828abc2ecfd0199372fa4187a9da0bf 100644 (file)
--- a/README
+++ b/README
@@ -451,6 +451,12 @@ The following options need to be configured:
                supported, core will start to execute uboot when wakes up.
 
 - Generic CPU options:
+               CONFIG_SYS_GENERIC_GLOBAL_DATA
+               Defines global data is initialized in generic board board_init_f().
+               If this macro is defined, global data is created and cleared in
+               generic board board_init_f(). Without this macro, architecture/board
+               should initialize global data before calling board_init_f().
+
                CONFIG_SYS_BIG_ENDIAN, CONFIG_SYS_LITTLE_ENDIAN
 
                Defines the endianess of the CPU. Implementation of those