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authorMatthew McClintock2006-06-28 10:47:03 -0500
committerMatthew McClintock2006-06-28 10:47:03 -0500
commit38433ccc5850ee70549af0b2bc5b920355ef5388 (patch)
treea7386d9f9b99d34c15bec88d1198c2e598f782b4 /cpu
parente4c2a0eb0c3e3ffbf824800184ee42bdc99d5b19 (diff)
* 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 'cpu')
-rw-r--r--cpu/mpc85xx/pci.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/cpu/mpc85xx/pci.c b/cpu/mpc85xx/pci.c
index ca11bce22ea..cfb7dcdc895 100644
--- a/cpu/mpc85xx/pci.c
+++ b/cpu/mpc85xx/pci.c
@@ -72,6 +72,9 @@ pci_mpc85xx_init(struct pci_controller *board_hose)
if (!(gur->pordevsr & PORDEVSR_PCI)) {
/* PCI-X init */
+ if (CONFIG_SYS_CLK_FREQ < 66000000)
+ printf("PCI-X will only work at 66 MHz\n");
+
reg16 = PCI_X_CMD_MAX_SPLIT | PCI_X_CMD_MAX_READ
| PCI_X_CMD_ERO | PCI_X_CMD_DPERR_E;
pci_hose_write_config_word(hose, dev, PCIX_COMMAND, reg16);