1 files changed, 7 insertions, 0 deletions
diff --git a/README b/README
index 157cc9e2b2..2754d1e8b8 100644
--- a/README
+++ b/README
@@ -356,6 +356,13 @@ The following options need to be configured:
 		Define this option if you want to enable the
 		ICache only when Code runs from RAM.
 
+- 85xx CPU Options:
+		CONFIG_SYS_FSL_TBCLK_DIV
+
+		Defines the core time base clock divider ratio compared to the
+		system clock.  On most PQ3 devices this is 8, on newer QorIQ
+		devices it can be 16 or 32.  The ratio varies from SoC to Soc.
+
 - Intel Monahans options:
 		CONFIG_SYS_MONAHANS_RUN_MODE_OSC_RATIO