From 38433ccc5850ee70549af0b2bc5b920355ef5388 Mon Sep 17 00:00:00 2001 From: Matthew McClintock Date: Wed, 28 Jun 2006 10:47:03 -0500 Subject: * 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 --- doc/README.mpc85xxads | 3 +++ 1 file changed, 3 insertions(+) (limited to 'doc') diff --git a/doc/README.mpc85xxads b/doc/README.mpc85xxads index f0cf782a8f..ae8202bdd1 100644 --- a/doc/README.mpc85xxads +++ b/doc/README.mpc85xxads @@ -100,6 +100,9 @@ Updated 13-July-2004 Jon Loeliger 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 -- cgit v1.2.3