From bec8acedf18b4d35f95b4a4c254eb925bd4d53bd Mon Sep 17 00:00:00 2001 From: Eric Biederman Date: Mon, 15 Nov 2004 17:01:05 +0000 Subject: - Comment on why optimize_link_read_pointers is safe on an Athlon64 git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1785 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1 --- src/northbridge/amd/amdk8/coherent_ht.c | 1 + 1 file changed, 1 insertion(+) (limited to 'src/northbridge') diff --git a/src/northbridge/amd/amdk8/coherent_ht.c b/src/northbridge/amd/amdk8/coherent_ht.c index f90b236f2a..1c795ade3e 100644 --- a/src/northbridge/amd/amdk8/coherent_ht.c +++ b/src/northbridge/amd/amdk8/coherent_ht.c @@ -606,6 +606,7 @@ static int optimize_link_read_pointers(unsigned nodes, int needs_reset) for(link = 0; link < 3; link = link + 1) { uint32_t link_type; unsigned reg; + /* This works on an Athlon64 because unimplemented links return 0 */ reg = 0x98 + (link * 0x20); link_type = pci_read_config32(f0_dev, reg); if (link_type & LinkConnected) { -- cgit v1.2.3