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-rw-r--r--README8
1 files changed, 8 insertions, 0 deletions
diff --git a/README b/README
index f5a719db9d..a70af98646 100644
--- a/README
+++ b/README
@@ -690,6 +690,14 @@ The following options need to be configured:
exists, unlike the similar options in the Linux kernel. Do not
set these options unless they apply!
+ COUNTER_FREQUENCY
+ Generic timer clock source frequency.
+
+ COUNTER_FREQUENCY_REAL
+ Generic timer clock source frequency if the real clock is
+ different from COUNTER_FREQUENCY, and can only be determined
+ at run time.
+
NOTE: The following can be machine specific errata. These
do have ability to provide rudimentary version and machine
specific checks, but expect no product checks.
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