xref: /rk3399_ARM-atf/plat/common/plat_bl1_common.c (revision 7baff11fb51c2739d1c0fbac894c75b3c4b242e2)
1 /*
2  * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions are met:
6  *
7  * Redistributions of source code must retain the above copyright notice, this
8  * list of conditions and the following disclaimer.
9  *
10  * Redistributions in binary form must reproduce the above copyright notice,
11  * this list of conditions and the following disclaimer in the documentation
12  * and/or other materials provided with the distribution.
13  *
14  * Neither the name of ARM nor the names of its contributors may be used
15  * to endorse or promote products derived from this software without specific
16  * prior written permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
22  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28  * POSSIBILITY OF SUCH DAMAGE.
29  */
30 #include <bl_common.h>
31 #include <debug.h>
32 #include <platform_def.h>
33 
34 /*
35  * The following platform functions are weakly defined. They
36  * are default implementations that allow BL1  compile in
37  * absence of real definitions. The Platforms may override
38  * with more complex definitions.
39  */
40 #pragma weak bl1_plat_get_next_image_id
41 #pragma weak bl1_plat_set_ep_info
42 #pragma weak bl1_plat_get_image_desc
43 
44 
45 unsigned int bl1_plat_get_next_image_id(void)
46 {
47 	/* BL2 load will be done by default. */
48 	return BL2_IMAGE_ID;
49 }
50 
51 void bl1_plat_set_ep_info(unsigned int image_id,
52 		entry_point_info_t *ep_info)
53 {
54 
55 }
56 
57 /*
58  * Following is the default definition that always
59  * returns BL2 image details.
60  */
61 image_desc_t *bl1_plat_get_image_desc(unsigned int image_id)
62 {
63 	static image_desc_t bl2_img_desc = BL2_IMAGE_DESC;
64 	return &bl2_img_desc;
65 }
66