diff options
Diffstat (limited to 'src/northbridge/intel/gm45/gma.c')
| -rw-r--r-- | src/northbridge/intel/gm45/gma.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/src/northbridge/intel/gm45/gma.c b/src/northbridge/intel/gm45/gma.c index 00b3fa0a2b..bdad49bae8 100644 --- a/src/northbridge/intel/gm45/gma.c +++ b/src/northbridge/intel/gm45/gma.c @@ -25,6 +25,8 @@ #include <cpu/x86/msr.h> #include <cpu/x86/mtrr.h> #include <commonlib/helpers.h> +#include <cbmem.h> +#include <southbridge/intel/i82801ix/nvs.h> #include "drivers/intel/gma/i915_reg.h" #include "chip.h" @@ -32,6 +34,7 @@ #include <drivers/intel/gma/intel_bios.h> #include <drivers/intel/gma/edid.h> #include <drivers/intel/gma/i915.h> +#include <drivers/intel/gma/opregion.h> #include <pc80/vga.h> #include <pc80/vga_io.h> @@ -49,6 +52,19 @@ void gtt_write(u32 reg, u32 data) write32(res2mmio(gtt_res, reg, 0), data); } +uintptr_t gma_get_gnvs_aslb(const void *gnvs) +{ + const global_nvs_t *gnvs_ptr = gnvs; + return (uintptr_t)(gnvs_ptr ? gnvs_ptr->aslb : 0); +} + +void gma_set_gnvs_aslb(void *gnvs, uintptr_t aslb) +{ + global_nvs_t *gnvs_ptr = gnvs; + if (gnvs_ptr) + gnvs_ptr->aslb = aslb; +} + static void gma_init_lvds(const struct northbridge_intel_gm45_config *info, u8 *mmio, u32 physbase, u16 piobase, u32 lfb, struct edid *edid) @@ -758,6 +774,8 @@ static void gma_func0_init(struct device *dev) if (IS_ENABLED(CONFIG_MAINBOARD_DO_NATIVE_VGA_INIT)) gma_ngi(dev, &edid_lvds); + + intel_gma_restore_opregion(); } static void gma_set_subsystem(device_t dev, unsigned vendor, unsigned device) @@ -793,6 +811,37 @@ 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 = (igd_opregion_t *)current; + global_nvs_t *gnvs; + + if (intel_gma_init_igd_opregion(opregion) != CB_SUCCESS) + return current; + + current += sizeof(igd_opregion_t); + + /* GNVS has been already set up */ + gnvs = cbmem_find(CBMEM_ID_ACPI_GNVS); + if (gnvs) { + /* IGD OpRegion Base Address */ + gma_set_gnvs_aslb(gnvs, (uintptr_t)opregion); + } else { + printk(BIOS_ERR, "Error: GNVS table not found.\n"); + } + + current = acpi_align_current(current); + return current; +} + +static const char *gma_acpi_name(const struct device *dev) +{ + return "GFX0"; +} + static struct pci_operations gma_pci_ops = { .set_subsystem = gma_set_subsystem, }; @@ -806,6 +855,8 @@ static struct device_operations gma_func0_ops = { .scan_bus = 0, .enable = 0, .ops_pci = &gma_pci_ops, + .acpi_name = gma_acpi_name, + .write_acpi_tables = gma_write_acpi_tables, }; static const unsigned short pci_device_ids[] = |