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 <arch_helpers.h> 32 #include <assert.h> 33 #include <bl_common.h> 34 #include <debug.h> 35 #include <errno.h> 36 #include <platform_def.h> 37 38 /* 39 * The following platform functions are weakly defined. They 40 * are default implementations that allow BL1 to compile in 41 * absence of real definitions. The Platforms may override 42 * with more complex definitions. 43 */ 44 #pragma weak bl1_plat_get_next_image_id 45 #pragma weak bl1_plat_set_ep_info 46 #pragma weak bl1_plat_get_image_desc 47 #pragma weak bl1_plat_fwu_done 48 49 50 unsigned int bl1_plat_get_next_image_id(void) 51 { 52 /* BL2 load will be done by default. */ 53 return BL2_IMAGE_ID; 54 } 55 56 void bl1_plat_set_ep_info(unsigned int image_id, 57 entry_point_info_t *ep_info) 58 { 59 60 } 61 62 /* 63 * Following is the default definition that always 64 * returns BL2 image details. 65 */ 66 image_desc_t *bl1_plat_get_image_desc(unsigned int image_id) 67 { 68 static image_desc_t bl2_img_desc = BL2_IMAGE_DESC; 69 return &bl2_img_desc; 70 } 71 72 __dead2 void bl1_plat_fwu_done(void *client_cookie, void *reserved) 73 { 74 while (1) 75 wfi(); 76 } 77 78 /* 79 * The Platforms must override with real definition. 80 */ 81 #pragma weak bl1_plat_mem_check 82 83 int bl1_plat_mem_check(uintptr_t mem_base, unsigned int mem_size, 84 unsigned int flags) 85 { 86 assert(0); 87 return -ENOMEM; 88 } 89