From cadefaf20fb4a32fad6e0da9292a51ab9b862af9 Mon Sep 17 00:00:00 2001 From: Maximilian Thuermer Date: Tue, 23 Mar 2010 15:58:29 +0000 Subject: Fix reading HT link offsets. pci_read_config32 overwrites the real value, use another variable for that. Signed-off-by: Maximilian Thuermer Acked-by: Patrick Georgi git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5277 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1 --- src/cpu/amd/model_10xxx/init_cpus.c | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-) (limited to 'src') 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; -- cgit v1.2.3