karo: tx6: set TX6_REV=0x1 where appropriate to eliminate code for unused PMIC chips

[karo-tx-uboot.git] / doc / README.splashprepare

diff --git a/doc/README.splashprepare b/doc/README.splashprepare
index 61b4ec53ecaddee676e0c6c2ec1dac65efe544d4..a0f0f3ca51f794630f3f398f40dae0c567c1ad1a 100644 (file)
--- a/doc/README.splashprepare
+++ b/doc/README.splashprepare
@@ -6,3 +6,16 @@ common/splash.c. It is called as part of the splash screen display
 sequence. It gives the board an opportunity to prepare the splash
 image data before it is processed and sent to the frame buffer by
 U-Boot.  Define your own version to use this feature.
+
+CONFIG_SPLASH_SOURCE
+
+Use the splash_source.c library. This library provides facilities to declare
+board specific splash image locations, routines for loading splash image from
+supported locations, and a way of controlling the selected splash location
+using the "splashsource" environment variable.
+
+splashsource works as follows:
+- If splashsource is set to a supported location name as defined by board code,
+  use that splash location.
+- If splashsource is undefined, use the first splash location as default.
+- If splashsource is set to an unsupported value, do not load a splash screen.