diff options
Diffstat (limited to 'src/soc/intel/broadwell/lpc.c')
| -rw-r--r-- | src/soc/intel/broadwell/lpc.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/src/soc/intel/broadwell/lpc.c b/src/soc/intel/broadwell/lpc.c index 4b21326648..76a136824d 100644 --- a/src/soc/intel/broadwell/lpc.c +++ b/src/soc/intel/broadwell/lpc.c @@ -45,6 +45,9 @@ #include <broadwell/ramstage.h> #include <broadwell/rcba.h> #include <chip.h> +#include <arch/acpi.h> +#include <arch/acpigen.h> +#include <cpu/cpu.h> static void pch_enable_ioapic(struct device *dev) { @@ -552,10 +555,37 @@ static void pch_lpc_read_resources(device_t dev) memset(gnvs, 0, sizeof(global_nvs_t)); } +static void southcluster_inject_dsdt(void) +{ + global_nvs_t *gnvs; + + gnvs = cbmem_find(CBMEM_ID_ACPI_GNVS); + if (!gnvs) { + gnvs = cbmem_add(CBMEM_ID_ACPI_GNVS, sizeof (*gnvs)); + if (gnvs) + memset(gnvs, 0, sizeof(*gnvs)); + } + + if (gnvs) { + memset(gnvs, 0, sizeof(*gnvs)); + acpi_create_gnvs(gnvs); + acpi_save_gnvs((unsigned long)gnvs); + /* And tell SMI about it */ + smm_setup_structures(gnvs, NULL, NULL); + + /* Add it to DSDT. */ + acpigen_write_scope("\\"); + acpigen_write_name_dword("NVSA", (u32) gnvs); + acpigen_pop_len(); + } +} + static struct device_operations device_ops = { .read_resources = &pch_lpc_read_resources, .set_resources = &pci_dev_set_resources, .enable_resources = &pci_dev_enable_resources, + .acpi_inject_dsdt_generator = southcluster_inject_dsdt, + .write_acpi_tables = acpi_write_hpet, .init = &lpc_init, .scan_bus = &scan_static_bus, .ops_pci = &broadwell_pci_ops, |