xref: /rk3399_ARM-atf/plat/arm/css/common/css_bl2_setup.c (revision fd6007de64fd7e16f6d96972643434c04a77f1c6)
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 
31 #include <bl_common.h>
32 #include <debug.h>
33 #include "css_scp_bootloader.h"
34 
35 /* Weak definition may be overridden in specific CSS based platform */
36 #pragma weak bl2_plat_handle_bl30
37 
38 /*******************************************************************************
39  * Transfer BL3-0 from Trusted RAM using the SCP Download protocol.
40  * Return 0 on success, -1 otherwise.
41  ******************************************************************************/
42 int bl2_plat_handle_bl30(image_info_t *bl30_image_info)
43 {
44 	int ret;
45 
46 	INFO("BL2: Initiating BL3-0 transfer to SCP\n");
47 
48 	ret = scp_bootloader_transfer((void *)bl30_image_info->image_base,
49 		bl30_image_info->image_size);
50 
51 	if (ret == 0)
52 		INFO("BL2: BL3-0 transferred to SCP\n");
53 	else
54 		ERROR("BL2: BL3-0 transfer failure\n");
55 
56 	return ret;
57 }
58