diff options
Diffstat (limited to 'src/northbridge/intel/pineview/northbridge.c')
| -rw-r--r-- | src/northbridge/intel/pineview/northbridge.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/src/northbridge/intel/pineview/northbridge.c b/src/northbridge/intel/pineview/northbridge.c index 2647bcc968..192c24edb2 100644 --- a/src/northbridge/intel/pineview/northbridge.c +++ b/src/northbridge/intel/pineview/northbridge.c @@ -27,6 +27,7 @@ #include <boot/tables.h> #include <arch/acpi.h> #include <northbridge/intel/pineview/pineview.h> +#include <cpu/intel/smm/gen1/smi.h> /* Reserve everything between A segment and 1MB: * @@ -141,6 +142,36 @@ static void mch_domain_read_resources(struct device *dev) add_fixed_resources(dev, index); } +void northbridge_write_smram(u8 smram) +{ + struct device *dev = dev_find_slot(0, PCI_DEVFN(0, 0)); + + if (dev == NULL) + die("could not find pci 00:00.0!\n"); + + pci_write_config8(dev, SMRAM, smram); +} + +/* + * Really doesn't belong here but will go away with parallel mp init, + * so let it be here for a while... + */ +int cpu_get_apic_id_map(int *apic_id_map) +{ + unsigned int i; + + /* Logical processors (threads) per core */ + const struct cpuid_result cpuid1 = cpuid(1); + /* Read number of cores. */ + const char cores = (cpuid1.ebx >> 16) & 0xf; + + /* TODO in parallel MP cpuid(1).ebx */ + for (i = 0; i < cores; i++) + apic_id_map[i] = i; + + return cores; +} + static void mch_domain_set_resources(struct device *dev) { struct resource *res; |