diff options
Diffstat (limited to 'src/southbridge/intel/i82801ix/lpc.c')
| -rw-r--r-- | src/southbridge/intel/i82801ix/lpc.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/src/southbridge/intel/i82801ix/lpc.c b/src/southbridge/intel/i82801ix/lpc.c index ea881119ff..8105a4dc16 100644 --- a/src/southbridge/intel/i82801ix/lpc.c +++ b/src/southbridge/intel/i82801ix/lpc.c @@ -31,7 +31,11 @@ #include <arch/acpi.h> #include <cpu/cpu.h> #include <cpu/x86/smm.h> +#include <arch/acpigen.h> +#include <cbmem.h> +#include <string.h> #include "i82801ix.h" +#include "nvs.h" #define NMI_OFF 0 @@ -534,6 +538,26 @@ static void set_subsystem(device_t dev, unsigned vendor, unsigned device) } } +#if IS_ENABLED(CONFIG_PER_DEVICE_ACPI_TABLES) +static void southbridge_inject_dsdt(void) +{ + global_nvs_t *gnvs = cbmem_add (CBMEM_ID_ACPI_GNVS, sizeof (*gnvs)); + + if (gnvs) { + int scopelen; + memset(gnvs, 0, sizeof (*gnvs)); + acpi_create_gnvs(gnvs); + /* And tell SMI about it */ + smm_setup_structures(gnvs, NULL, NULL); + + /* Add it to SSDT. */ + scopelen = acpigen_write_scope("\\"); + scopelen += acpigen_write_name_dword("NVSA", (u32) gnvs); + acpigen_patch_len(scopelen - 1); + } +} +#endif + static struct pci_operations pci_ops = { .set_subsystem = set_subsystem, }; @@ -542,6 +566,10 @@ static struct device_operations device_ops = { .read_resources = i82801ix_lpc_read_resources, .set_resources = pci_dev_set_resources, .enable_resources = pci_dev_enable_resources, +#if IS_ENABLED(CONFIG_PER_DEVICE_ACPI_TABLES) + .acpi_inject_dsdt_generator = southbridge_inject_dsdt, + .write_acpi_tables = acpi_write_hpet, +#endif .init = lpc_init, .scan_bus = scan_static_bus, .ops_pci = &pci_ops, |