Myles,
I can not commit the patch directly, So please apply that in your own tree.
YH
ck804 64bit pref mem support Signed-off-by: Yinghai Lu <[EMAIL PROTECTED]>
Index: ck804_pci.c
===================================================================
--- ck804_pci.c (revision 2486)
+++ ck804_pci.c (working copy)
@@ -14,6 +14,10 @@
{
uint32_t dword;
+#if CONFIG_PCI_64BIT_PREF_MEM == 1
+ device_t pci_domain_dev;
+ struct resource *mem1, *mem2;
+#endif
/* System error enable */
dword = pci_read_config32(dev, 0x04);
@@ -34,8 +38,27 @@
pci_write_config32(dev, 0x4c, dword);
#endif
+#if CONFIG_PCI_64BIT_PREF_MEM == 1
+ pci_domain_dev = dev->bus->dev;
+ while(pci_domain_dev) {
+ if(pci_domain_dev->path.type == DEVICE_PATH_PCI_DOMAIN) break;
+ pci_domain_dev = pci_domain_dev->bus->dev;
+ }
+
+ if(!pci_domain_dev) return; // impossiable
+ mem1 = find_resource(pci_domain_dev, 1); // prefmem, it could be 64bit
+ mem2 = find_resource(pci_domain_dev, 2); // mem
+ if(mem1->base > mem2->base) {
+ dword = mem2->base & (0xffff0000UL);
+ printk_debug("PCI DOMAIN mem2 base = 0x%010Lx\n", mem2->base);
+ } else {
+ dword = mem1->base & (0xffff0000UL);
+ printk_debug("PCI DOMAIN mem1 (prefmem) base = 0x%010Lx\n", mem1->base);
+ }
+#else
dword = dev_root.resource[1].base & (0xffff0000UL);
- printk_debug("dev_root mem base = 0x%010Lx\n", dev_root.resource[1].base);
+ printk_debug("dev_root mem base = 0x%010Lx\n", dev_root.resource[1].base);
+#endif
printk_debug("[0x50] <-- 0x%08x\n", dword);
pci_write_config32(dev, 0x50, dword); //TOM
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