コード例 #1
0
ファイル: gma.c プロジェクト: MikeeHawk/coreboot
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 */
	gtt_res = find_resource(dev, PCI_BASE_ADDRESS_0);

	struct northbridge_intel_gm45_config *conf = dev->chip_info;

	if (!IS_ENABLED(CONFIG_MAINBOARD_DO_NATIVE_VGA_INIT)) {
		/* PCI Init, will run VBIOS */
		pci_dev_init(dev);
	}

	/* Post VBIOS init */
	gma_pm_init_post_vbios(dev);

	if (IS_ENABLED(CONFIG_MAINBOARD_DO_NATIVE_VGA_INIT)) {
		u32 physbase;
		struct resource *lfb_res;
		struct resource *pio_res;

		lfb_res = find_resource(dev, PCI_BASE_ADDRESS_2);
		pio_res = find_resource(dev, PCI_BASE_ADDRESS_4);

		physbase = pci_read_config32(dev, 0x5c) & ~0xf;

		if (gtt_res && gtt_res->base && physbase && pio_res
		    && pio_res->base && lfb_res && lfb_res->base) {
			printk(BIOS_SPEW,
			       "Initializing VGA without OPROM. MMIO 0x%llx\n",
			       gtt_res->base);
			intel_gma_init(conf, res2mmio(gtt_res, 0, 0), physbase,
				       pio_res->base, lfb_res->base);
		}

		/* Linux relies on VBT for panel info.  */
		generate_fake_intel_oprom(&conf->gfx, dev,
					  "$VBT IRONLAKE-MOBILE");
	}
}
コード例 #2
0
ファイル: gma.c プロジェクト: lynxis/coreboot-signed
static void native_init(struct device *dev)
{
	struct resource *lfb_res;
	struct resource *pio_res;
	u32 physbase;
	struct resource *gtt_res = find_resource(dev, PCI_BASE_ADDRESS_0);
	struct northbridge_intel_x4x_config *conf = dev->chip_info;

	lfb_res = find_resource(dev, PCI_BASE_ADDRESS_2);
	pio_res = find_resource(dev, PCI_BASE_ADDRESS_4);
	physbase = pci_read_config32(dev, 0x5c) & ~0xf;

	if (gtt_res && gtt_res->base) {
		printk(BIOS_SPEW,
			"Initializing VGA without OPROM. MMIO 0x%llx\n",
			gtt_res->base);
		intel_gma_init(conf, res2mmio(gtt_res, 0, 0),
			physbase, pio_res->base, lfb_res->base);
	}

	/* Linux relies on VBT for panel info.  */
	generate_fake_intel_oprom(&conf->gfx, dev, "$VBT EAGLELAKE");
}
コード例 #3
0
ファイル: gma.c プロジェクト: AdriDlu/coreboot
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);

	if (!IS_ENABLED(CONFIG_MAINBOARD_DO_NATIVE_VGA_INIT)) {
		/* PCI Init, will run VBIOS */
		pci_dev_init(dev);
	} else {
		u32 physbase;
		struct resource *pio_res;
		struct northbridge_intel_pineview_config *conf = dev->chip_info;

		/* Find base addresses */
		mmio_res = find_resource(dev, 0x10);
		gtt_res = find_resource(dev, 0x1c);
		pio_res = find_resource(dev, 0x14);
		physbase = pci_read_config32(dev, 0x5c) & ~0xf;

		if (gtt_res && gtt_res->base && physbase && pio_res && pio_res->base) {
			printk(BIOS_SPEW, "Initializing VGA. MMIO 0x%llx\n",
			       mmio_res->base);
			intel_gma_init(conf, dev, res2mmio(mmio_res, 0, 0),
				res2mmio(gtt_res, 0, 0),
				physbase, pio_res->base);
		}

		/* Linux relies on VBT for panel info.  */
		generate_fake_intel_oprom(&conf->gfx, dev,
			"$VBT PINEVIEW       ");
	}
}