Change all '$(...)' variable references into '${...}'

[platform/kernel/u-boot.git] / README

diff --git a/README b/README
index a45ed6d..86db61b 100644 (file)
--- a/README
+++ b/README
@@ -399,6 +399,20 @@ The following options need to be configured:
                expect it to be in bytes, others in MB.
                Define CONFIG_MEMSIZE_IN_BYTES to make it in bytes.
 
+               CONFIG_OF_FLAT_TREE
+
+               New kernel versions are expecting firmware settings to be
+               passed using flat open firmware trees.
+               The environment variable "disable_of", when set, disables this
+               functionality.
+
+               CONFIG_OF_FLAT_TREE_MAX_SIZE
+
+               The maximum size of the constructed OF tree.
+
+               OF_CPU - The proper name of the cpus node.
+               OF_TBCLK - The timebase frequency.
+
 - Serial Ports:
                CFG_PL010_SERIAL
 
@@ -1363,7 +1377,7 @@ The following options need to be configured:
                remaining RAM in a form that can be passed as boot
                argument to Linux, for instance like that:
 
-                       setenv bootargs ... mem=\$(mem)
+                       setenv bootargs ... mem=\${mem}
                        saveenv
 
                This way you can tell Linux not to use this memory,
@@ -2532,10 +2546,10 @@ Old, simple command line parser:
 
 - supports environment variables (through setenv / saveenv commands)
 - several commands on one line, separated by ';'
-- variable substitution using "... $(name) ..." syntax
+- variable substitution using "... ${name} ..." syntax
 - special characters ('$', ';') can be escaped by prefixing with '\',
   for example:
-       setenv bootcmd bootm \$(address)
+       setenv bootcmd bootm \${address}
 - You can also escape text by enclosing in single apostrophes, for example:
        setenv addip 'setenv bootargs $bootargs ip=$ipaddr:$serverip:$gatewayip:$netmask:$hostname::off'