diff options
Diffstat (limited to 'src/soc/intel/baytrail/southcluster.c')
| -rw-r--r-- | src/soc/intel/baytrail/southcluster.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/src/soc/intel/baytrail/southcluster.c b/src/soc/intel/baytrail/southcluster.c index 1aebd07214..365ac3d067 100644 --- a/src/soc/intel/baytrail/southcluster.c +++ b/src/soc/intel/baytrail/southcluster.c @@ -40,6 +40,9 @@ #include <soc/ramstage.h> #include <soc/spi.h> #include "chip.h" +#include <arch/acpi.h> +#include <arch/acpigen.h> +#include <cpu/cpu.h> static inline void add_mmio_resource(device_t dev, int i, unsigned long addr, unsigned long size) @@ -510,9 +513,36 @@ void southcluster_enable_dev(device_t dev) } } +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) { + 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 = sc_read_resources, .set_resources = pci_dev_set_resources, + .acpi_inject_dsdt_generator = southcluster_inject_dsdt, + .write_acpi_tables = acpi_write_hpet, .enable_resources = NULL, .init = sc_init, .enable = southcluster_enable_dev, |