diff options
Diffstat (limited to 'src/northbridge/intel/fsp_sandybridge/northbridge.c')
| -rw-r--r-- | src/northbridge/intel/fsp_sandybridge/northbridge.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/src/northbridge/intel/fsp_sandybridge/northbridge.c b/src/northbridge/intel/fsp_sandybridge/northbridge.c index da27b25208..a95d7368b5 100644 --- a/src/northbridge/intel/fsp_sandybridge/northbridge.c +++ b/src/northbridge/intel/fsp_sandybridge/northbridge.c @@ -243,9 +243,16 @@ static void pci_domain_set_resources(device_t dev) add_fixed_resources(dev, 6); assign_resources(dev->link_list); +} + +unsigned long get_top_of_ram(void) +{ + struct device *dev = dev_find_slot(0, PCI_DEVFN(0, 0)); - /* Leave some space for the HOB data above CBMem */ - set_top_of_ram((tomk - 2048) * 1024); + /* Base of TSEG is top of usable DRAM */ + u32 tom = pci_read_config32(dev, TSEG) & ~(1UL << 0); + tom -= 0x200000; /* 2MB for FSP HOB */ + return (unsigned long) tom; } /* TODO We could determine how many PCIe busses we need in |