diff options
| -rw-r--r-- | src/northbridge/amd/amdfam10/northbridge.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/northbridge/amd/amdfam10/northbridge.c b/src/northbridge/amd/amdfam10/northbridge.c index 600fdf8596..85cee138ef 100644 --- a/src/northbridge/amd/amdfam10/northbridge.c +++ b/src/northbridge/amd/amdfam10/northbridge.c @@ -810,6 +810,20 @@ static void amdfam10_domain_read_resources(device_t dev) else qword = 0x1000000; + /* FIXME + * The BKDG appears to be incorrect as to the location of the CC6 save region + * lower boundary on non-interleaved systems, causing lockups on attempted write + * to the CC6 save region. + * + * For now, work around by allocating the maximum possible CC6 save region size. + * + * Determine if this is a BKDG error or a setup problem and remove this warning! + */ + qword = (0x1 << 27); + max_range_limit = (((uint64_t)(pci_read_config32(get_node_pci(max_node, 1), 0x124) & 0x1fffff)) << 27) - 1; + + printk(BIOS_INFO, "Reserving CC6 save segment base: %08llx size: %08llx\n", (max_range_limit + 1), qword); + /* Reserve the CC6 save segment */ reserved_ram_resource(dev, 8, (max_range_limit + 1) >> 10, qword >> 10); } |