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authorMatthew McClintock <msm@freescale.com>2006-06-28 10:47:03 -0500
committerJon Loeliger <jdl@freescale.com>2006-08-09 13:51:05 -0500
commit34c3c0e01dbf1f8cc2bd08de92f2b89ba84921eb (patch)
treea7386d9f9b99d34c15bec88d1198c2e598f782b4 /doc
parentb6c5e1373b6ea0bb37a18e4aeecec00613d1cd39 (diff)
downloadblackbird-obmc-uboot-34c3c0e01dbf1f8cc2bd08de92f2b89ba84921eb.tar.gz
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* 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>
Diffstat (limited to 'doc')
-rw-r--r--doc/README.mpc85xxads3
1 files changed, 3 insertions, 0 deletions
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
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