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* Switched default PCI speed for 8540 ADS back to 33MHz

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* 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>
This commit is contained in:
Matthew McClintock
2006-06-28 10:47:03 -05:00
committed by Jon Loeliger
parent b6c5e1373b
commit 34c3c0e01d
3 changed files with 11 additions and 1 deletions
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6
include/configs/MPC8540ADS.h
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@@ -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