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Diffstat (limited to 'include/configs/MPC8540ADS.h')
-rw-r--r--include/configs/MPC8540ADS.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/include/configs/MPC8540ADS.h b/include/configs/MPC8540ADS.h
index 81ee945..8e4d2c9 100644
--- a/include/configs/MPC8540ADS.h
+++ b/include/configs/MPC8540ADS.h
@@ -68,10 +68,14 @@
* The board, however, can run at 66MHz. In any event, this value
* must match the settings of some switches. Details can be found
* in the README.mpc85xxads.
+ *
+ * XXX -- Can't we run at 66 MHz, anyway? PCI should drop to
+ * 33MHz to accommodate, based on a PCI pin.
+ * Note that PCI-X won't work at 33MHz.
*/
#ifndef CONFIG_SYS_CLK_FREQ
-#define CONFIG_SYS_CLK_FREQ 66000000
+#define CONFIG_SYS_CLK_FREQ 33000000
#endif