diff options
Diffstat (limited to 'src/northbridge/intel/i945/gma.c')
| -rw-r--r-- | src/northbridge/intel/i945/gma.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/src/northbridge/intel/i945/gma.c b/src/northbridge/intel/i945/gma.c index 37f73ed0eb..8d60bc91fc 100644 --- a/src/northbridge/intel/i945/gma.c +++ b/src/northbridge/intel/i945/gma.c @@ -23,10 +23,13 @@ #include <edid.h> #include <drivers/intel/gma/edid.h> #include <drivers/intel/gma/i915.h> +#include <drivers/intel/gma/opregion.h> #include <string.h> #include <pc80/vga.h> #include <pc80/vga_io.h> #include <commonlib/helpers.h> +#include <cbmem.h> +#include <southbridge/intel/i82801gx/nvs.h> #include "i945.h" #include "chip.h" @@ -49,6 +52,19 @@ #define DEFAULT_BLC_PWM 180 +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 int gtt_setup(u8 *mmiobase) { unsigned long PGETBL_save; @@ -687,6 +703,8 @@ static void gma_func0_init(struct device *dev) /* PCI Init, will run VBIOS */ pci_dev_init(dev); } + + intel_gma_restore_opregion(); } /* This doesn't reclaim stolen UMA memory, but IGD could still @@ -767,6 +785,37 @@ static void gma_func0_read_resources(device_t dev) pci_dev_read_resources(dev); } +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, }; @@ -781,6 +830,8 @@ static struct device_operations gma_func0_ops = { .enable = 0, .disable = gma_func0_disable, .ops_pci = &gma_pci_ops, + .acpi_name = gma_acpi_name, + .write_acpi_tables = gma_write_acpi_tables, }; |