/* * This file is part of the coreboot project. * * Copyright (C) 2015 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; version 2 of the License. * * 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 #include #include int fill_lb_framebuffer(struct lb_framebuffer *framebuffer) { VOID *hob_list_ptr; hob_list_ptr = get_hob_list(); const EFI_GUID vbt_guid = EFI_PEI_GRAPHICS_INFO_HOB_GUID; u32 *vbt_hob; EFI_PEI_GRAPHICS_INFO_HOB *vbt_gop; vbt_hob = get_next_guid_hob(&vbt_guid, hob_list_ptr); if (vbt_hob == NULL) { printk(BIOS_ERR, "FSP_ERR: Graphics Data HOB is not present\n"); return -1; } printk(BIOS_DEBUG, "FSP_DEBUG: Graphics Data HOB present\n"); vbt_gop = GET_GUID_HOB_DATA(vbt_hob); framebuffer->physical_address = vbt_gop->FrameBufferBase; framebuffer->x_resolution = vbt_gop->GraphicsMode.HorizontalResolution; framebuffer->y_resolution = vbt_gop->GraphicsMode.VerticalResolution; framebuffer->bytes_per_line = vbt_gop->GraphicsMode.PixelsPerScanLine * 4; framebuffer->bits_per_pixel = 32; framebuffer->red_mask_pos = 16; framebuffer->red_mask_size = 8; framebuffer->green_mask_pos = 8; framebuffer->green_mask_size = 8; framebuffer->blue_mask_pos = 0; framebuffer->blue_mask_size = 8; framebuffer->reserved_mask_pos = 24; framebuffer->reserved_mask_size = 8; return 0; }