Don't grab memory for LCD if FB address is defined

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

diff --git a/README b/README
index 85cbb8e..ba4fdd4 100644 (file)
--- a/README
+++ b/README
@@ -2011,6 +2011,20 @@ The following options need to be configured:
                thus overwriting the architecutre dependent default
                settings.
 
+- Frame Buffer Address:
+       CONFIG_FB_ADDR
+
+       Define CONFIG_FB_ADDR if you want to use specific address for
+       frame buffer.
+       Then system will reserve the frame buffer address to defined address
+       instead of lcd_setmem (this function grab the memory for frame buffer
+       by panel's size).
+
+       Please see board_init_f function.
+
+       If you want this config option then,
+       please define it at your board config file
+
 Legacy uImage format:
 
   Arg  Where                   When