Jens Wiklander | 52c798e | 2015-12-07 14:37:10 +0100 | [diff] [blame] | 1 | /* |
Jean-Philippe Brucker | 721b83d | 2023-09-07 18:13:07 +0100 | [diff] [blame] | 2 | * Copyright (c) 2015-2024, Arm Limited and Contributors. All rights reserved. |
Jens Wiklander | 52c798e | 2015-12-07 14:37:10 +0100 | [diff] [blame] | 3 | * |
dp-arm | fa3cf0b | 2017-05-03 09:38:09 +0100 | [diff] [blame] | 4 | * SPDX-License-Identifier: BSD-3-Clause |
Jens Wiklander | 52c798e | 2015-12-07 14:37:10 +0100 | [diff] [blame] | 5 | */ |
| 6 | |
| 7 | #include <assert.h> |
Antonio Nino Diaz | e0f9063 | 2018-12-14 00:18:21 +0000 | [diff] [blame] | 8 | |
Antonio Nino Diaz | e0f9063 | 2018-12-14 00:18:21 +0000 | [diff] [blame] | 9 | #include <common/bl_common.h> |
Maxim Uvarov | a0b85c2 | 2020-12-14 10:17:44 +0000 | [diff] [blame] | 10 | #include <drivers/arm/pl061_gpio.h> |
Jean-Philippe Brucker | 4453ba9 | 2023-09-07 18:47:48 +0100 | [diff] [blame] | 11 | #include <lib/gpt_rme/gpt_rme.h> |
Antonio Nino Diaz | e0f9063 | 2018-12-14 00:18:21 +0000 | [diff] [blame] | 12 | #include <plat/common/platform.h> |
| 13 | |
Jens Wiklander | 52c798e | 2015-12-07 14:37:10 +0100 | [diff] [blame] | 14 | #include "qemu_private.h" |
| 15 | |
Chen Baozi | f7d9aa8 | 2023-02-20 10:50:15 +0000 | [diff] [blame] | 16 | #define MAP_BL31_TOTAL MAP_REGION_FLAT( \ |
| 17 | BL31_BASE, \ |
| 18 | BL31_END - BL31_BASE, \ |
| 19 | MT_MEMORY | MT_RW | EL3_PAS) |
| 20 | #define MAP_BL31_RO MAP_REGION_FLAT( \ |
| 21 | BL_CODE_BASE, \ |
| 22 | BL_CODE_END - BL_CODE_BASE, \ |
| 23 | MT_CODE | EL3_PAS), \ |
| 24 | MAP_REGION_FLAT( \ |
| 25 | BL_RO_DATA_BASE, \ |
| 26 | BL_RO_DATA_END \ |
| 27 | - BL_RO_DATA_BASE, \ |
| 28 | MT_RO_DATA | EL3_PAS) |
| 29 | |
Chen Baozi | 097a43a | 2023-03-12 20:58:04 +0800 | [diff] [blame] | 30 | #if USE_COHERENT_MEM |
Chen Baozi | f7d9aa8 | 2023-02-20 10:50:15 +0000 | [diff] [blame] | 31 | #define MAP_BL_COHERENT_RAM MAP_REGION_FLAT( \ |
| 32 | BL_COHERENT_RAM_BASE, \ |
| 33 | BL_COHERENT_RAM_END \ |
| 34 | - BL_COHERENT_RAM_BASE, \ |
| 35 | MT_DEVICE | MT_RW | EL3_PAS) |
Chen Baozi | 097a43a | 2023-03-12 20:58:04 +0800 | [diff] [blame] | 36 | #endif |
Chen Baozi | f7d9aa8 | 2023-02-20 10:50:15 +0000 | [diff] [blame] | 37 | |
Jens Wiklander | 52c798e | 2015-12-07 14:37:10 +0100 | [diff] [blame] | 38 | /* |
Jens Wiklander | 52c798e | 2015-12-07 14:37:10 +0100 | [diff] [blame] | 39 | * Placeholder variables for copying the arguments that have been passed to |
| 40 | * BL3-1 from BL2. |
| 41 | */ |
| 42 | static entry_point_info_t bl32_image_ep_info; |
| 43 | static entry_point_info_t bl33_image_ep_info; |
Jean-Philippe Brucker | f304bd6 | 2023-09-07 17:33:22 +0100 | [diff] [blame] | 44 | #if ENABLE_RME |
| 45 | static entry_point_info_t rmm_image_ep_info; |
| 46 | #endif |
Jens Wiklander | 52c798e | 2015-12-07 14:37:10 +0100 | [diff] [blame] | 47 | |
| 48 | /******************************************************************************* |
| 49 | * Perform any BL3-1 early platform setup. Here is an opportunity to copy |
John Tsichritzis | d653d33 | 2018-09-14 10:34:57 +0100 | [diff] [blame] | 50 | * parameters passed by the calling EL (S-EL1 in BL2 & EL3 in BL1) before |
Jens Wiklander | 52c798e | 2015-12-07 14:37:10 +0100 | [diff] [blame] | 51 | * they are lost (potentially). This needs to be done before the MMU is |
| 52 | * initialized so that the memory layout can be used while creating page |
| 53 | * tables. BL2 has flushed this information to memory, so we are guaranteed |
| 54 | * to pick up good data. |
| 55 | ******************************************************************************/ |
Jens Wiklander | e22b91e | 2018-09-04 14:07:19 +0200 | [diff] [blame] | 56 | void bl31_early_platform_setup2(u_register_t arg0, u_register_t arg1, |
| 57 | u_register_t arg2, u_register_t arg3) |
Jens Wiklander | 52c798e | 2015-12-07 14:37:10 +0100 | [diff] [blame] | 58 | { |
| 59 | /* Initialize the console to provide early debug support */ |
Michalis Pappas | cca6cb7 | 2018-03-04 15:43:38 +0800 | [diff] [blame] | 60 | qemu_console_init(); |
Jens Wiklander | 52c798e | 2015-12-07 14:37:10 +0100 | [diff] [blame] | 61 | |
Marcin Juszkiewicz | b6839fb | 2023-05-10 10:03:01 +0200 | [diff] [blame] | 62 | /* Platform names have to be lowercase. */ |
| 63 | #ifdef PLAT_qemu_sbsa |
| 64 | sip_svc_init(); |
| 65 | #endif |
| 66 | |
Fu Wei | c2f7844 | 2017-05-27 21:21:42 +0800 | [diff] [blame] | 67 | /* |
| 68 | * Check params passed from BL2 |
| 69 | */ |
Jens Wiklander | e22b91e | 2018-09-04 14:07:19 +0200 | [diff] [blame] | 70 | bl_params_t *params_from_bl2 = (bl_params_t *)arg0; |
Fu Wei | c2f7844 | 2017-05-27 21:21:42 +0800 | [diff] [blame] | 71 | |
| 72 | assert(params_from_bl2); |
| 73 | assert(params_from_bl2->h.type == PARAM_BL_PARAMS); |
| 74 | assert(params_from_bl2->h.version >= VERSION_2); |
| 75 | |
| 76 | bl_params_node_t *bl_params = params_from_bl2->head; |
| 77 | |
| 78 | /* |
Jean-Philippe Brucker | f304bd6 | 2023-09-07 17:33:22 +0100 | [diff] [blame] | 79 | * Copy BL33, BL32 and RMM (if present), entry point information. |
Fu Wei | c2f7844 | 2017-05-27 21:21:42 +0800 | [diff] [blame] | 80 | * They are stored in Secure RAM, in BL2's address space. |
| 81 | */ |
| 82 | while (bl_params) { |
| 83 | if (bl_params->image_id == BL32_IMAGE_ID) |
| 84 | bl32_image_ep_info = *bl_params->ep_info; |
| 85 | |
Jean-Philippe Brucker | f304bd6 | 2023-09-07 17:33:22 +0100 | [diff] [blame] | 86 | #if ENABLE_RME |
| 87 | if (bl_params->image_id == RMM_IMAGE_ID) |
| 88 | rmm_image_ep_info = *bl_params->ep_info; |
| 89 | #endif |
| 90 | |
Fu Wei | c2f7844 | 2017-05-27 21:21:42 +0800 | [diff] [blame] | 91 | if (bl_params->image_id == BL33_IMAGE_ID) |
| 92 | bl33_image_ep_info = *bl_params->ep_info; |
| 93 | |
| 94 | bl_params = bl_params->next_params_info; |
| 95 | } |
| 96 | |
| 97 | if (!bl33_image_ep_info.pc) |
| 98 | panic(); |
Jean-Philippe Brucker | f304bd6 | 2023-09-07 17:33:22 +0100 | [diff] [blame] | 99 | #if ENABLE_RME |
| 100 | if (!rmm_image_ep_info.pc) |
| 101 | panic(); |
| 102 | #endif |
Jens Wiklander | 52c798e | 2015-12-07 14:37:10 +0100 | [diff] [blame] | 103 | } |
| 104 | |
| 105 | void bl31_plat_arch_setup(void) |
| 106 | { |
Chen Baozi | f7d9aa8 | 2023-02-20 10:50:15 +0000 | [diff] [blame] | 107 | const mmap_region_t bl_regions[] = { |
| 108 | MAP_BL31_TOTAL, |
| 109 | MAP_BL31_RO, |
Chen Baozi | 097a43a | 2023-03-12 20:58:04 +0800 | [diff] [blame] | 110 | #if USE_COHERENT_MEM |
Chen Baozi | f7d9aa8 | 2023-02-20 10:50:15 +0000 | [diff] [blame] | 111 | MAP_BL_COHERENT_RAM, |
Chen Baozi | 097a43a | 2023-03-12 20:58:04 +0800 | [diff] [blame] | 112 | #endif |
Jean-Philippe Brucker | 721b83d | 2023-09-07 18:13:07 +0100 | [diff] [blame] | 113 | #if ENABLE_RME |
| 114 | MAP_GPT_L0_REGION, |
| 115 | MAP_GPT_L1_REGION, |
| 116 | MAP_RMM_SHARED_MEM, |
| 117 | #endif |
Chen Baozi | f7d9aa8 | 2023-02-20 10:50:15 +0000 | [diff] [blame] | 118 | {0} |
| 119 | }; |
| 120 | |
| 121 | setup_page_tables(bl_regions, plat_qemu_get_mmap()); |
| 122 | |
| 123 | enable_mmu_el3(0); |
Jean-Philippe Brucker | 4453ba9 | 2023-09-07 18:47:48 +0100 | [diff] [blame] | 124 | |
| 125 | #if ENABLE_RME |
| 126 | /* |
| 127 | * Initialise Granule Protection library and enable GPC for the primary |
| 128 | * processor. The tables have already been initialized by a previous BL |
| 129 | * stage, so there is no need to provide any PAS here. This function |
| 130 | * sets up pointers to those tables. |
| 131 | */ |
| 132 | if (gpt_runtime_init() < 0) { |
| 133 | ERROR("gpt_runtime_init() failed!\n"); |
| 134 | panic(); |
| 135 | } |
| 136 | #endif /* ENABLE_RME */ |
| 137 | |
Jens Wiklander | 52c798e | 2015-12-07 14:37:10 +0100 | [diff] [blame] | 138 | } |
| 139 | |
Maxim Uvarov | a0b85c2 | 2020-12-14 10:17:44 +0000 | [diff] [blame] | 140 | static void qemu_gpio_init(void) |
| 141 | { |
| 142 | #ifdef SECURE_GPIO_BASE |
| 143 | pl061_gpio_init(); |
| 144 | pl061_gpio_register(SECURE_GPIO_BASE, 0); |
| 145 | #endif |
| 146 | } |
| 147 | |
Jens Wiklander | 52c798e | 2015-12-07 14:37:10 +0100 | [diff] [blame] | 148 | void bl31_platform_setup(void) |
| 149 | { |
Hongbo Zhang | 32338ec | 2018-04-19 13:06:07 +0800 | [diff] [blame] | 150 | plat_qemu_gic_init(); |
Maxim Uvarov | a0b85c2 | 2020-12-14 10:17:44 +0000 | [diff] [blame] | 151 | qemu_gpio_init(); |
Jens Wiklander | 52c798e | 2015-12-07 14:37:10 +0100 | [diff] [blame] | 152 | } |
| 153 | |
| 154 | unsigned int plat_get_syscnt_freq2(void) |
| 155 | { |
| 156 | return SYS_COUNTER_FREQ_IN_TICKS; |
| 157 | } |
| 158 | |
| 159 | /******************************************************************************* |
| 160 | * Return a pointer to the 'entry_point_info' structure of the next image |
| 161 | * for the security state specified. BL3-3 corresponds to the non-secure |
| 162 | * image type while BL3-2 corresponds to the secure image type. A NULL |
| 163 | * pointer is returned if the image does not exist. |
| 164 | ******************************************************************************/ |
| 165 | entry_point_info_t *bl31_plat_get_next_image_ep_info(uint32_t type) |
| 166 | { |
| 167 | entry_point_info_t *next_image_info; |
| 168 | |
| 169 | assert(sec_state_is_valid(type)); |
Jean-Philippe Brucker | f304bd6 | 2023-09-07 17:33:22 +0100 | [diff] [blame] | 170 | if (type == NON_SECURE) { |
| 171 | next_image_info = &bl33_image_ep_info; |
| 172 | } |
| 173 | #if ENABLE_RME |
| 174 | else if (type == REALM) { |
| 175 | next_image_info = &rmm_image_ep_info; |
| 176 | } |
| 177 | #endif |
| 178 | else { |
| 179 | next_image_info = &bl32_image_ep_info; |
| 180 | } |
| 181 | |
Jens Wiklander | 52c798e | 2015-12-07 14:37:10 +0100 | [diff] [blame] | 182 | /* |
| 183 | * None of the images on the ARM development platforms can have 0x0 |
| 184 | * as the entrypoint |
| 185 | */ |
| 186 | if (next_image_info->pc) |
| 187 | return next_image_info; |
| 188 | else |
| 189 | return NULL; |
| 190 | } |