Completes clock initialization

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@2465 42af7a65-404d-4744-a932-0658087f49c3

1 files changed, 11 insertions, 1 deletions

diff --git a/nuttx/arch/arm/src/lpc313x/lpc313x_cgudrvr.h b/nuttx/arch/arm/src/lpc313x/lpc313x_cgudrvr.h
index 25088b94f..b4825a12e 100755
--- a/nuttx/arch/arm/src/lpc313x/lpc313x_cgudrvr.h
+++ b/nuttx/arch/arm/src/lpc313x/lpc313x_cgudrvr.h
@@ -528,10 +528,20 @@ struct lpc313x_pllconfig_s
  * Public Data
  ************************************************************************/
 
-/* This array provides the programmed frequency of every input source */
+/* This array is managed by the chip-specific logic and provides the
+ * programmed frequency of every input source
+ */
 
 EXTERN uint32_t g_boardfreqin[CGU_NFREQIN];
 
+/* This instance of the lpc313x_clkinit_s structure provides the initial,
+ * default clock configuration for the board.  Every board must provide
+ * an implementation of g_boardclks.  This rather complex structure is
+ * used by the boot-up logic to configure initial lpc313x clocking.
+ */
+
+EXTERN const struct lpc313x_clkinit_s g_boardclks;
+
 /************************************************************************
  * Inline Functions
  ************************************************************************/