blob: c5aae5c183ead007e25c0be5d069591239ec11d7 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
/*
* 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 <boot/coreboot_tables.h>
#include <console/console.h>
#include <fsp/util.h>
#include <lib.h>
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;
}
|
