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| author | Maximilian Thuermer <maximilian.thuermer@ziti.uni-heidelberg.de> | 2010-03-23 15:58:29 +0000 |
|---|---|---|
| committer | Patrick Georgi <patrick.georgi@coresystems.de> | 2010-03-23 15:58:29 +0000 |
| commit | cadefaf20fb4a32fad6e0da9292a51ab9b862af9 (patch) | |
| tree | 4a232df4af853bc686958116f2c224420a31f0b1 /src | |
| parent | 86051f919fc34d731619fc3a1266c5a2c4855b01 (diff) | |
| download | coreboot-cadefaf20fb4a32fad6e0da9292a51ab9b862af9.tar.xz | |
Fix reading HT link offsets.
pci_read_config32 overwrites the real value, use another variable for that.
Signed-off-by: Maximilian Thuermer <maximilian.thuermer@ziti.uni-heidelberg.de>
Acked-by: Patrick Georgi <patrick.georgi@coresystems.de>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5277 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src')
| -rw-r--r-- | src/cpu/amd/model_10xxx/init_cpus.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/src/cpu/amd/model_10xxx/init_cpus.c b/src/cpu/amd/model_10xxx/init_cpus.c index d0458dfed5..0061706e3f 100644 --- a/src/cpu/amd/model_10xxx/init_cpus.c +++ b/src/cpu/amd/model_10xxx/init_cpus.c @@ -702,25 +702,27 @@ void AMD_SetupPSIVID_d (u32 platform_type, u8 node) */ BOOL AMD_CpuFindCapability (u8 node, u8 cap_count, u8 *offset) { + u32 reg; u32 val; /* get start of CPU HT Host Capabilities */ val = pci_read_config32(NODE_PCI(node, 0), 0x34); - val &= 0xFF; + val &= 0xFF; //reg offset of first link cap_count++; /* Traverse through the capabilities. */ do { - val = pci_read_config32(NODE_PCI(node, 0), val); + reg = pci_read_config32(NODE_PCI(node, 0), val); /* Is the capability block a HyperTransport capability block? */ - if ((val & 0xFF) == 0x08) { + if ((reg & 0xFF) == 0x08) { /* Is the HT capability block an HT Host Capability? */ - if ((val & 0xE0000000) == (1 << 29)) + if ((reg & 0xE0000000) == (1 << 29)) cap_count--; } - if (cap_count) - val = (val >> 8) & 0xFF; + + if(cap_count) + val = (reg >> 8) & 0xFF; //update reg offset } while (cap_count && val); *offset = (u8) val; |