Merge branch 'master' of git://git.denx.de/u-boot-mpc85xx

[karo-tx-uboot.git] / README

diff --git a/README b/README
index b74483e9fb050e44d9a78a398f409c13078d0f2d..76b150005f8d1f63ea36fd92e02c06411fdb3eda 100644 (file)
--- 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