diff options
| author | Eric Biederman <ebiederm@xmission.com> | 2004-11-15 17:01:05 +0000 |
|---|---|---|
| committer | Eric Biederman <ebiederm@xmission.com> | 2004-11-15 17:01:05 +0000 |
| commit | bec8acedf18b4d35f95b4a4c254eb925bd4d53bd (patch) | |
| tree | 35228d7e1a74ffbc9d4ae62df83b4c469fab7a35 /src/northbridge | |
| parent | cb364958a06136f1e65499b434dd90191013a4e1 (diff) | |
- 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
Diffstat (limited to 'src/northbridge')
| -rw-r--r-- | src/northbridge/amd/amdk8/coherent_ht.c | 1 |
1 files changed, 1 insertions, 0 deletions
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) { |