diff options
Diffstat (limited to 'src/northbridge')
| -rw-r--r-- | src/northbridge/amd/amdk8/northbridge.c | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/src/northbridge/amd/amdk8/northbridge.c b/src/northbridge/amd/amdk8/northbridge.c index f7993760f4..cbb921d293 100644 --- a/src/northbridge/amd/amdk8/northbridge.c +++ b/src/northbridge/amd/amdk8/northbridge.c @@ -896,6 +896,11 @@ static uint32_t hoist_memory(unsigned long hole_startk, int i) } #endif +#if HAVE_HIGH_TABLES==1 +#define HIGH_TABLES_SIZE 64 // maximum size of high tables in KB +extern uint64_t high_tables_base, high_tables_size; +#endif + static void pci_domain_set_resources(device_t dev) { #if CONFIG_PCI_64BIT_PREF_MEM == 1 @@ -1075,6 +1080,15 @@ static void pci_domain_set_resources(device_t dev) ram_resource(dev, (idx | i), basek, pre_sizek); idx += 0x10; sizek -= pre_sizek; +#if HAVE_HIGH_TABLES==1 + if (i==0 && high_tables_base==0) { + /* Leave some space for ACPI, PIRQ and MP tables */ + high_tables_base = (mmio_basek - HIGH_TABLES_SIZE) * 1024; + high_tables_size = HIGH_TABLES_SIZE * 1024; + printk_debug("(split)%xK table at =%08llx\n", HIGH_TABLES_SIZE, + high_tables_base); + } +#endif } #if HW_MEM_HOLE_SIZEK != 0 if(reset_memhole) @@ -1094,10 +1108,24 @@ static void pci_domain_set_resources(device_t dev) sizek -= (4*1024*1024 - mmio_basek); } } - ram_resource(dev, (idx | i), basek, sizek); + /* If sizek == 0, it was split at mmio_basek without a hole. + * Don't create an empty ram_resource. + */ + if (sizek) + ram_resource(dev, (idx | i), basek, sizek); idx += 0x10; +#if HAVE_HIGH_TABLES==1 + printk_debug("%d: mmio_basek=%08lx, basek=%08x, limitk=%08x\n", + i, mmio_basek, basek, limitk); + if (i==0 && high_tables_base==0) { + /* Leave some space for ACPI, PIRQ and MP tables */ + high_tables_base = (limitk - HIGH_TABLES_SIZE) * 1024; + high_tables_size = HIGH_TABLES_SIZE * 1024; + } +#endif } assign_resources(&dev->link[0]); + } static unsigned int pci_domain_scan_bus(device_t dev, unsigned int max) |