Nishanth Menon | 1841c53 | 2016-10-14 01:13:34 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2017-2018, ARM Limited and Contributors. All rights reserved. |
| 3 | * |
| 4 | * SPDX-License-Identifier: BSD-3-Clause |
| 5 | */ |
| 6 | |
| 7 | #include <arch.h> |
| 8 | #include <arch_helpers.h> |
| 9 | #include <assert.h> |
| 10 | #include <bl_common.h> |
| 11 | #include <debug.h> |
| 12 | #include <platform_def.h> |
| 13 | #include <string.h> |
| 14 | |
| 15 | /******************************************************************************* |
| 16 | * Perform any BL3-1 early platform setup, such as console init and deciding on |
| 17 | * memory layout. |
| 18 | ******************************************************************************/ |
| 19 | void bl31_early_platform_setup(bl31_params_t *from_bl2, |
| 20 | void *plat_params_from_bl2) |
| 21 | { |
| 22 | /* There are no parameters from BL2 if BL31 is a reset vector */ |
| 23 | assert(from_bl2 == NULL); |
| 24 | assert(plat_params_from_bl2 == NULL); |
| 25 | } |
| 26 | |
| 27 | void bl31_early_platform_setup2(u_register_t arg0, u_register_t arg1, |
| 28 | u_register_t arg2, u_register_t arg3) |
| 29 | { |
| 30 | bl31_early_platform_setup((void *)arg0, (void *)arg1); |
| 31 | } |
| 32 | |
| 33 | void bl31_plat_arch_setup(void) |
| 34 | { |
| 35 | /* TODO: Initialize the MMU tables */ |
| 36 | } |
| 37 | |
| 38 | void bl31_platform_setup(void) |
| 39 | { |
| 40 | /* TODO: Initialize the GIC CPU and distributor interfaces */ |
| 41 | } |
| 42 | |
| 43 | void platform_mem_init(void) |
| 44 | { |
| 45 | /* Do nothing for now... */ |
| 46 | } |
| 47 | |
| 48 | /* |
| 49 | * Empty function to prevent the console from being uninitialized after BL33 is |
| 50 | * started and allow us to see messages from BL31. |
| 51 | */ |
| 52 | void bl31_plat_runtime_setup(void) |
| 53 | { |
| 54 | } |
| 55 | |
| 56 | /******************************************************************************* |
| 57 | * Return a pointer to the 'entry_point_info' structure of the next image |
| 58 | * for the security state specified. BL3-3 corresponds to the non-secure |
| 59 | * image type while BL3-2 corresponds to the secure image type. A NULL |
| 60 | * pointer is returned if the image does not exist. |
| 61 | ******************************************************************************/ |
| 62 | entry_point_info_t *bl31_plat_get_next_image_ep_info(uint32_t type) |
| 63 | { |
| 64 | return NULL; |
| 65 | } |