/* * This file is part of the coreboot project. * * Copyright (C) 2015-2017 Intel Corp. * (Written by Alexandru Gagniuc <alexandrux.gagniuc@intel.com> for Intel Corp.) * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. */ #include <stdint.h> #include <arch/acpi.h> #include <arch/acpigen.h> #include <bootmode.h> #include <console/console.h> #include <fsp/util.h> #include <device/device.h> #include <device/pci.h> #include <intelblocks/graphics.h> #include <drivers/intel/gma/opregion.h> #include <drivers/intel/gma/libgfxinit.h> uintptr_t fsp_soc_get_igd_bar(void) { return graphics_get_memory_base(); } void graphics_soc_init(struct device *const dev) { if (IS_ENABLED(CONFIG_RUN_FSP_GOP)) return; uint32_t reg32 = pci_read_config32(dev, PCI_COMMAND); reg32 |= PCI_COMMAND_MASTER; pci_write_config32(dev, PCI_COMMAND, reg32); if (IS_ENABLED(CONFIG_MAINBOARD_USE_LIBGFXINIT)) { if (!acpi_is_wakeup_s3() && display_init_required()) { int lightup_ok; gma_gfxinit(&lightup_ok); gfx_set_init_done(lightup_ok); } } else { /* Initialize PCI device, load/execute BIOS Option ROM */ pci_dev_init(dev); } } uintptr_t graphics_soc_write_acpi_opregion(struct device *device, uintptr_t current, struct acpi_rsdp *rsdp) { igd_opregion_t *opregion; printk(BIOS_DEBUG, "ACPI: * IGD OpRegion\n"); opregion = (igd_opregion_t *)current; if (intel_gma_init_igd_opregion(opregion) != CB_SUCCESS) return current; /* FIXME: Add platform specific mailbox initialization */ current += sizeof(igd_opregion_t); return acpi_align_current(current); }