diff options
Diffstat (limited to 'src/northbridge')
| -rw-r--r-- | src/northbridge/intel/sandybridge/gma.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/src/northbridge/intel/sandybridge/gma.c b/src/northbridge/intel/sandybridge/gma.c index dcc992c940..868a961fb8 100644 --- a/src/northbridge/intel/sandybridge/gma.c +++ b/src/northbridge/intel/sandybridge/gma.c @@ -24,6 +24,8 @@ #include <device/pci_ops.h> #include <cpu/x86/msr.h> #include <cpu/x86/mtrr.h> +#include <southbridge/intel/bd82x6x/nvs.h> +#include <cbmem.h> #include "chip.h" #include "sandybridge.h" @@ -649,6 +651,30 @@ static void gma_ssdt(device_t device) drivers_intel_gma_displays_ssdt_generate(gfx); } +static unsigned long +gma_write_acpi_tables(struct device *const dev, + unsigned long current, + struct acpi_rsdp *const rsdp) +{ + igd_opregion_t *opregion; + global_nvs_t *gnvs; + + // FIXME: Replace by common VBT implementation writing to current + opregion = igd_make_opregion(); + if (opregion) { + /* GNVS has been already set up */ + gnvs = cbmem_find(CBMEM_ID_ACPI_GNVS); + if (gnvs) { + /* IGD OpRegion Base Address */ + gnvs->aslb = (u32)(uintptr_t)opregion; + } else { + printk(BIOS_ERR, "Error: GNVS table not found.\n"); + } + } + + return current; +} + /* called by pci set_vga_bridge function */ static void gma_func0_disable(struct device *dev) { @@ -676,6 +702,7 @@ static struct device_operations gma_func0_ops = { .enable = 0, .disable = gma_func0_disable, .ops_pci = &gma_pci_ops, + .write_acpi_tables = gma_write_acpi_tables, }; static const unsigned short pci_device_ids[] = { 0x0102, 0x0106, 0x010a, 0x0112, |