xref: /rk3399_ARM-atf/plat/common/plat_bl1_common.c (revision 48bfb88eb6087bb3a293a13a0f702a0e40466b14)
17baff11fSYatharth Kochar /*
27baff11fSYatharth Kochar  * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
37baff11fSYatharth Kochar  *
47baff11fSYatharth Kochar  * Redistribution and use in source and binary forms, with or without
57baff11fSYatharth Kochar  * modification, are permitted provided that the following conditions are met:
67baff11fSYatharth Kochar  *
77baff11fSYatharth Kochar  * Redistributions of source code must retain the above copyright notice, this
87baff11fSYatharth Kochar  * list of conditions and the following disclaimer.
97baff11fSYatharth Kochar  *
107baff11fSYatharth Kochar  * Redistributions in binary form must reproduce the above copyright notice,
117baff11fSYatharth Kochar  * this list of conditions and the following disclaimer in the documentation
127baff11fSYatharth Kochar  * and/or other materials provided with the distribution.
137baff11fSYatharth Kochar  *
147baff11fSYatharth Kochar  * Neither the name of ARM nor the names of its contributors may be used
157baff11fSYatharth Kochar  * to endorse or promote products derived from this software without specific
167baff11fSYatharth Kochar  * prior written permission.
177baff11fSYatharth Kochar  *
187baff11fSYatharth Kochar  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
197baff11fSYatharth Kochar  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
207baff11fSYatharth Kochar  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
217baff11fSYatharth Kochar  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
227baff11fSYatharth Kochar  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
237baff11fSYatharth Kochar  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
247baff11fSYatharth Kochar  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
257baff11fSYatharth Kochar  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
267baff11fSYatharth Kochar  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
277baff11fSYatharth Kochar  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
287baff11fSYatharth Kochar  * POSSIBILITY OF SUCH DAMAGE.
297baff11fSYatharth Kochar  */
30*48bfb88eSYatharth Kochar 
31*48bfb88eSYatharth Kochar #include <arch_helpers.h>
32*48bfb88eSYatharth Kochar #include <assert.h>
337baff11fSYatharth Kochar #include <bl_common.h>
347baff11fSYatharth Kochar #include <debug.h>
35*48bfb88eSYatharth Kochar #include <errno.h>
367baff11fSYatharth Kochar #include <platform_def.h>
377baff11fSYatharth Kochar 
387baff11fSYatharth Kochar /*
397baff11fSYatharth Kochar  * The following platform functions are weakly defined. They
40*48bfb88eSYatharth Kochar  * are default implementations that allow BL1 to compile in
417baff11fSYatharth Kochar  * absence of real definitions. The Platforms may override
427baff11fSYatharth Kochar  * with more complex definitions.
437baff11fSYatharth Kochar  */
447baff11fSYatharth Kochar #pragma weak bl1_plat_get_next_image_id
457baff11fSYatharth Kochar #pragma weak bl1_plat_set_ep_info
467baff11fSYatharth Kochar #pragma weak bl1_plat_get_image_desc
47*48bfb88eSYatharth Kochar #pragma weak bl1_plat_fwu_done
487baff11fSYatharth Kochar 
497baff11fSYatharth Kochar 
507baff11fSYatharth Kochar unsigned int bl1_plat_get_next_image_id(void)
517baff11fSYatharth Kochar {
527baff11fSYatharth Kochar 	/* BL2 load will be done by default. */
537baff11fSYatharth Kochar 	return BL2_IMAGE_ID;
547baff11fSYatharth Kochar }
557baff11fSYatharth Kochar 
567baff11fSYatharth Kochar void bl1_plat_set_ep_info(unsigned int image_id,
577baff11fSYatharth Kochar 		entry_point_info_t *ep_info)
587baff11fSYatharth Kochar {
597baff11fSYatharth Kochar 
607baff11fSYatharth Kochar }
617baff11fSYatharth Kochar 
627baff11fSYatharth Kochar /*
637baff11fSYatharth Kochar  * Following is the default definition that always
647baff11fSYatharth Kochar  * returns BL2 image details.
657baff11fSYatharth Kochar  */
667baff11fSYatharth Kochar image_desc_t *bl1_plat_get_image_desc(unsigned int image_id)
677baff11fSYatharth Kochar {
687baff11fSYatharth Kochar 	static image_desc_t bl2_img_desc = BL2_IMAGE_DESC;
697baff11fSYatharth Kochar 	return &bl2_img_desc;
707baff11fSYatharth Kochar }
71*48bfb88eSYatharth Kochar 
72*48bfb88eSYatharth Kochar __dead2 void bl1_plat_fwu_done(void *cookie, void *rsvd_ptr)
73*48bfb88eSYatharth Kochar {
74*48bfb88eSYatharth Kochar 	while (1)
75*48bfb88eSYatharth Kochar 		wfi();
76*48bfb88eSYatharth Kochar }
77*48bfb88eSYatharth Kochar 
78*48bfb88eSYatharth Kochar /*
79*48bfb88eSYatharth Kochar  * The Platforms must override with real definition.
80*48bfb88eSYatharth Kochar  */
81*48bfb88eSYatharth Kochar #pragma weak bl1_plat_mem_check
82*48bfb88eSYatharth Kochar 
83*48bfb88eSYatharth Kochar int bl1_plat_mem_check(uintptr_t mem_base, unsigned int mem_size,
84*48bfb88eSYatharth Kochar 		unsigned int flags)
85*48bfb88eSYatharth Kochar {
86*48bfb88eSYatharth Kochar 	assert(0);
87*48bfb88eSYatharth Kochar 	return -ENOMEM;
88*48bfb88eSYatharth Kochar }
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