static void gma_func0_init(struct device *dev)
{
u32 reg32;
/* Unconditionally reset graphics */
pci_write_config8(dev, GDRST, 1);
udelay(50);
pci_write_config8(dev, GDRST, 0);
/* wait for device to finish */
while (pci_read_config8(dev, GDRST) & 1) { };
/* IGD needs to be Bus Master */
reg32 = pci_read_config32(dev, PCI_COMMAND);
pci_write_config32(dev, PCI_COMMAND, reg32 | PCI_COMMAND_MASTER);
#if !CONFIG_MAINBOARD_DO_NATIVE_VGA_INIT
/* PCI Init, will run VBIOS */
pci_dev_init(dev);
#endif
#if CONFIG_MAINBOARD_DO_NATIVE_VGA_INIT
/* This should probably run before post VBIOS init. */
printk(BIOS_SPEW, "Initializing VGA without OPROM.\n");
u32 iobase, mmiobase, graphics_base;
iobase = dev->resource_list[1].base;
mmiobase = dev->resource_list[0].base;
graphics_base = dev->resource_list[2].base + 0x20000;
printk(BIOS_SPEW, "GMADR=0x%08x GTTADR=0x%08x\n",
pci_read_config32(dev, GMADR),
pci_read_config32(dev, GTTADR)
);
int i915lightup(u32 physbase, u32 iobase, u32 mmiobase, u32 gfx);
u32 uma_memory_base = pci_read_config32(dev, BSM) & ~((1 << 20) - 1);
int lightup_ok = i915lightup(uma_memory_base, iobase, mmiobase, graphics_base);
if (lightup_ok)
gfx_set_init_done(1);
#endif
}
static void gma_func0_init(struct device *dev)
{
u32 reg32;
/* IGD needs to be Bus Master */
reg32 = pci_read_config32(dev, PCI_COMMAND);
reg32 |= PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY | PCI_COMMAND_IO;
pci_write_config32(dev, PCI_COMMAND, reg32);
/* Init graphics power management */
gma_pm_init_pre_vbios(dev);
if (!CONFIG(MAINBOARD_DO_NATIVE_VGA_INIT))
/* PCI Init, will run VBIOS */
pci_dev_init(dev);
/* Post VBIOS init */
gma_pm_init_post_vbios(dev);
int vga_disable = (pci_read_config16(dev, GGC) & 2) >> 1;
/* Running graphics init on S3 breaks Linux drm driver. */
if (!acpi_is_wakeup_s3() &&
CONFIG(MAINBOARD_USE_LIBGFXINIT)) {
if (vga_disable) {
printk(BIOS_INFO,
"IGD is not decoding legacy VGA MEM and IO: skipping NATIVE graphic init\n");
} else {
/* This should probably run before post VBIOS init. */
printk(BIOS_SPEW, "Initializing VGA without OPROM.\n");
int lightup_ok;
gma_gfxinit(&lightup_ok);
if (lightup_ok)
gfx_set_init_done(1);
}
}
gma_enable_swsci();
intel_gma_restore_opregion();
}
