diff options
| author | Yinghai Lu <yinghai.lu@amd.com> | 2006-12-20 20:15:33 +0000 |
|---|---|---|
| committer | Yinghai Lu <yinghailu@gmail.com> | 2006-12-20 20:15:33 +0000 |
| commit | 6c3874e8f880d6d9e4f3012d38ddd1f34ff2ec18 (patch) | |
| tree | 539aa9949d9f2c6543d007e2b6fad2db9038ae8c /src/southbridge | |
| parent | c2c86465849189b267de215bad3d9109f5740e15 (diff) | |
ck804 pref mem 4G above support
Signed-off-by: Yinghai Lu <yinghai.lu@amd.com>
Acked-by: Yinghai Lu <yinghai.lu@amd.com>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2532 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/southbridge')
| -rw-r--r-- | src/southbridge/nvidia/ck804/ck804_pci.c | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/src/southbridge/nvidia/ck804/ck804_pci.c b/src/southbridge/nvidia/ck804/ck804_pci.c index 34e2e9c970..b2477c1de6 100644 --- a/src/southbridge/nvidia/ck804/ck804_pci.c +++ b/src/southbridge/nvidia/ck804/ck804_pci.c @@ -14,6 +14,10 @@ static void pci_init(struct device *dev) { 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 @@ static void pci_init(struct device *dev) 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 |