diff options
Diffstat (limited to 'src/northbridge/intel/gm45/northbridge.c')
-rw-r--r-- | src/northbridge/intel/gm45/northbridge.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/src/northbridge/intel/gm45/northbridge.c b/src/northbridge/intel/gm45/northbridge.c index 663a9ff579..da37e33145 100644 --- a/src/northbridge/intel/gm45/northbridge.c +++ b/src/northbridge/intel/gm45/northbridge.c @@ -25,6 +25,7 @@ #include <boot/tables.h> #include <arch/acpi.h> #include <cbmem.h> +#include <cpu/intel/smm/gen1/smi.h> #include "chip.h" #include "gm45.h" #include "arch/acpi.h" @@ -207,6 +208,43 @@ static const char *northbridge_acpi_name(const struct device *dev) return NULL; } +u32 northbridge_get_tseg_base(void) +{ + return (u32)smm_region_start(); +} + +u32 northbridge_get_tseg_size(void) +{ + const u8 esmramc = pci_read_config8(dev_find_slot(0, PCI_DEVFN(0, 0)), + D0F0_ESMRAMC); + return decode_tseg_size(esmramc) << 10; +} + +void northbridge_write_smram(u8 smram) +{ + pci_write_config8(dev_find_slot(0, PCI_DEVFN(0, 0)), D0F0_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 struct device_operations pci_domain_ops = { .read_resources = mch_domain_read_resources, .set_resources = mch_domain_set_resources, |