Hello,
this patch prints the secondary bus mode/frequency during amd8131 init process,
maybe this can help users to configure PCI-X mode/frequency jumpers.
--- freebios2-20050305-0000-orig/src/southbridge/amd/amd8131/amd8131_bridge.c
2004-10-21
18:44:04.000000000 +0800
+++ freebios2-20050305-0000/src/southbridge/amd/amd8131/amd8131_bridge.c
2005-03-29
10:18:19.000000000 +0800
@@ -76,6 +76,28 @@
dword |= (1<<1);
pci_write_config32(dev, 0xc8, dword);
}
+
+ /* Print Secondary Bus frequency */
+ dword = pci_read_config32(dev, 0xa0);
+ dword = ((dword >> 22) & 0x7);
+ printk_debug("Secondary bus mode: ");
+ switch (dword) {
+ case 0:
+ printk_debug("Conventional PCI\n");
+ break;
+ case 1:
+ printk_debug("66MHz PCI-X\n");
+ break;
+ case 2:
+ printk_debug("100MHz PCI-X\n");
+ break;
+ case 3:
+ printk_debug("133MHz PCI-X\n");
+ break;
+ default:
+ printk_debug("Unknown\n");
+ break;
+ }
return;
}
--
Liu Tao
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