* Switched default PCI speed for 8540 ADS back to 33MHz
* Added comments and a printf to warn that PCI-X won't
work at 33MHz
Patch by Andy Fleming 17-Mar-2006
Signed-off-by: Andy Fleming <afleming@freescale.com>
diff --git a/doc/README.mpc85xxads b/doc/README.mpc85xxads
index f0cf782..ae8202b 100644
--- a/doc/README.mpc85xxads
+++ b/doc/README.mpc85xxads
@@ -100,6 +100,9 @@
SW7[1:4] = 0101 = 5 => 5 x 66 = 330 CCB Sysclk
SW7[5:6] = 01 => 5:2 x 330 = 825 Core clock
+ In order to use PCI-X (only in the first PCI slot. The one with
+ the RIO connector), you need to set SW1[4] (config) to 1 (off).
+ Also, configure the board to run PCI at 66 MHz.
2. MEMORY MAP TO WORK WITH LINUX KERNEL