| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2015-2016 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 <console/console.h> |
| #include <fsp/util.h> |
| #include <device/device.h> |
| #include <device/pci.h> |
| #include <device/pci_ids.h> |
| #include <soc/pci_ids.h> |
| |
| static uintptr_t framebuffer_bar = (uintptr_t)NULL; |
| |
| void lb_framebuffer(struct lb_header *header) |
| { |
| enum cb_err ret; |
| struct lb_framebuffer *framebuffer; |
| |
| framebuffer = (void *)lb_new_record(header); |
| ret = fsp_fill_lb_framebuffer(framebuffer); |
| if (ret != CB_SUCCESS) { |
| printk(BIOS_ALERT, "FSP did not return a valid framebuffer\n"); |
| return; |
| } |
| |
| if (!framebuffer_bar) { |
| printk(BIOS_ALERT, "Framebuffer BAR invalid (00:02.0 BAR2)\n"); |
| return; |
| } |
| |
| /* Resource allocator can move the BAR around after FSP configures it */ |
| framebuffer->physical_address = framebuffer_bar; |
| printk(BIOS_DEBUG, "Graphics framebuffer located at 0x%llx\n", |
| framebuffer->physical_address); |
| } |
| |
| static void igd_set_resources(struct device *dev) |
| { |
| framebuffer_bar = find_resource(dev, PCI_BASE_ADDRESS_2)->base; |
| pci_dev_set_resources(dev); |
| } |
| |
| static const struct device_operations igd_ops = { |
| .read_resources = pci_dev_read_resources, |
| .set_resources = igd_set_resources, |
| .enable_resources = pci_dev_enable_resources, |
| .init = pci_dev_init, |
| .enable = DEVICE_NOOP |
| }; |
| |
| static const struct pci_driver integrated_graphics_driver __pci_driver = { |
| .ops = &igd_ops, |
| .vendor = PCI_VENDOR_ID_INTEL, |
| .device = PCI_DEVICE_ID_APOLLOLAKE_IGD, |
| }; |