James Morrissey | 9d72b4e | 2014-02-10 17:04:32 +0000 | [diff] [blame] | 1 | /* |
Louis Mayencourt | 7d24ce1 | 2020-01-29 14:43:06 +0000 | [diff] [blame] | 2 | * Copyright (c) 2014-2020, ARM Limited and Contributors. All rights reserved. |
James Morrissey | 9d72b4e | 2014-02-10 17:04:32 +0000 | [diff] [blame] | 3 | * |
dp-arm | fa3cf0b | 2017-05-03 09:38:09 +0100 | [diff] [blame] | 4 | * SPDX-License-Identifier: BSD-3-Clause |
James Morrissey | 9d72b4e | 2014-02-10 17:04:32 +0000 | [diff] [blame] | 5 | */ |
| 6 | |
| 7 | #include <assert.h> |
Antonio Nino Diaz | e0f9063 | 2018-12-14 00:18:21 +0000 | [diff] [blame] | 8 | |
| 9 | #include <common/debug.h> |
| 10 | #include <drivers/io/io_driver.h> |
| 11 | #include <drivers/io/io_semihosting.h> |
| 12 | #include <drivers/io/io_storage.h> |
| 13 | #include <lib/semihosting.h> |
Antonio Nino Diaz | bd7b740 | 2019-01-25 14:30:04 +0000 | [diff] [blame] | 14 | #include <plat/arm/common/plat_arm.h> |
Antonio Nino Diaz | e0f9063 | 2018-12-14 00:18:21 +0000 | [diff] [blame] | 15 | #include <plat/common/common_def.h> |
| 16 | |
Juan Castillo | 3a66aca | 2015-04-13 17:36:19 +0100 | [diff] [blame] | 17 | /* Semihosting filenames */ |
| 18 | #define BL2_IMAGE_NAME "bl2.bin" |
| 19 | #define BL31_IMAGE_NAME "bl31.bin" |
| 20 | #define BL32_IMAGE_NAME "bl32.bin" |
| 21 | #define BL33_IMAGE_NAME "bl33.bin" |
Soby Mathew | 7c6df5b | 2018-01-15 14:43:42 +0000 | [diff] [blame] | 22 | #define TB_FW_CONFIG_NAME "fvp_tb_fw_config.dtb" |
Soby Mathew | 96a1c6b | 2018-01-15 14:45:33 +0000 | [diff] [blame] | 23 | #define HW_CONFIG_NAME "hw_config.dtb" |
Juan Castillo | 3a66aca | 2015-04-13 17:36:19 +0100 | [diff] [blame] | 24 | |
| 25 | #if TRUSTED_BOARD_BOOT |
Juan Castillo | be80120 | 2015-12-03 10:19:21 +0000 | [diff] [blame] | 26 | #define TRUSTED_BOOT_FW_CERT_NAME "tb_fw.crt" |
Juan Castillo | 3a66aca | 2015-04-13 17:36:19 +0100 | [diff] [blame] | 27 | #define TRUSTED_KEY_CERT_NAME "trusted_key.crt" |
Juan Castillo | be80120 | 2015-12-03 10:19:21 +0000 | [diff] [blame] | 28 | #define SOC_FW_KEY_CERT_NAME "soc_fw_key.crt" |
| 29 | #define TOS_FW_KEY_CERT_NAME "tos_fw_key.crt" |
| 30 | #define NT_FW_KEY_CERT_NAME "nt_fw_key.crt" |
| 31 | #define SOC_FW_CONTENT_CERT_NAME "soc_fw_content.crt" |
| 32 | #define TOS_FW_CONTENT_CERT_NAME "tos_fw_content.crt" |
| 33 | #define NT_FW_CONTENT_CERT_NAME "nt_fw_content.crt" |
Juan Castillo | 3a66aca | 2015-04-13 17:36:19 +0100 | [diff] [blame] | 34 | #endif /* TRUSTED_BOARD_BOOT */ |
James Morrissey | 9d72b4e | 2014-02-10 17:04:32 +0000 | [diff] [blame] | 35 | |
James Morrissey | 9d72b4e | 2014-02-10 17:04:32 +0000 | [diff] [blame] | 36 | /* IO devices */ |
Dan Handley | a4cb68e | 2014-04-23 13:47:06 +0100 | [diff] [blame] | 37 | static const io_dev_connector_t *sh_dev_con; |
Dan Handley | a4cb68e | 2014-04-23 13:47:06 +0100 | [diff] [blame] | 38 | static uintptr_t sh_dev_handle; |
Harry Liebel | 561cd33 | 2014-02-14 14:42:48 +0000 | [diff] [blame] | 39 | |
Juan Castillo | 3a66aca | 2015-04-13 17:36:19 +0100 | [diff] [blame] | 40 | static const io_file_spec_t sh_file_spec[] = { |
| 41 | [BL2_IMAGE_ID] = { |
| 42 | .path = BL2_IMAGE_NAME, |
| 43 | .mode = FOPEN_MODE_RB |
| 44 | }, |
| 45 | [BL31_IMAGE_ID] = { |
| 46 | .path = BL31_IMAGE_NAME, |
| 47 | .mode = FOPEN_MODE_RB |
| 48 | }, |
| 49 | [BL32_IMAGE_ID] = { |
| 50 | .path = BL32_IMAGE_NAME, |
| 51 | .mode = FOPEN_MODE_RB |
| 52 | }, |
| 53 | [BL33_IMAGE_ID] = { |
| 54 | .path = BL33_IMAGE_NAME, |
| 55 | .mode = FOPEN_MODE_RB |
| 56 | }, |
Soby Mathew | 7c6df5b | 2018-01-15 14:43:42 +0000 | [diff] [blame] | 57 | [TB_FW_CONFIG_ID] = { |
| 58 | .path = TB_FW_CONFIG_NAME, |
| 59 | .mode = FOPEN_MODE_RB |
| 60 | }, |
Soby Mathew | 96a1c6b | 2018-01-15 14:45:33 +0000 | [diff] [blame] | 61 | [HW_CONFIG_ID] = { |
| 62 | .path = HW_CONFIG_NAME, |
| 63 | .mode = FOPEN_MODE_RB |
| 64 | }, |
Juan Castillo | 3a66aca | 2015-04-13 17:36:19 +0100 | [diff] [blame] | 65 | #if TRUSTED_BOARD_BOOT |
Juan Castillo | be80120 | 2015-12-03 10:19:21 +0000 | [diff] [blame] | 66 | [TRUSTED_BOOT_FW_CERT_ID] = { |
| 67 | .path = TRUSTED_BOOT_FW_CERT_NAME, |
Juan Castillo | 3a66aca | 2015-04-13 17:36:19 +0100 | [diff] [blame] | 68 | .mode = FOPEN_MODE_RB |
| 69 | }, |
| 70 | [TRUSTED_KEY_CERT_ID] = { |
| 71 | .path = TRUSTED_KEY_CERT_NAME, |
| 72 | .mode = FOPEN_MODE_RB |
| 73 | }, |
Juan Castillo | be80120 | 2015-12-03 10:19:21 +0000 | [diff] [blame] | 74 | [SOC_FW_KEY_CERT_ID] = { |
| 75 | .path = SOC_FW_KEY_CERT_NAME, |
Juan Castillo | 3a66aca | 2015-04-13 17:36:19 +0100 | [diff] [blame] | 76 | .mode = FOPEN_MODE_RB |
| 77 | }, |
Juan Castillo | be80120 | 2015-12-03 10:19:21 +0000 | [diff] [blame] | 78 | [TRUSTED_OS_FW_KEY_CERT_ID] = { |
| 79 | .path = TOS_FW_KEY_CERT_NAME, |
Juan Castillo | 3a66aca | 2015-04-13 17:36:19 +0100 | [diff] [blame] | 80 | .mode = FOPEN_MODE_RB |
| 81 | }, |
Juan Castillo | be80120 | 2015-12-03 10:19:21 +0000 | [diff] [blame] | 82 | [NON_TRUSTED_FW_KEY_CERT_ID] = { |
| 83 | .path = NT_FW_KEY_CERT_NAME, |
Juan Castillo | 3a66aca | 2015-04-13 17:36:19 +0100 | [diff] [blame] | 84 | .mode = FOPEN_MODE_RB |
| 85 | }, |
Juan Castillo | be80120 | 2015-12-03 10:19:21 +0000 | [diff] [blame] | 86 | [SOC_FW_CONTENT_CERT_ID] = { |
| 87 | .path = SOC_FW_CONTENT_CERT_NAME, |
Juan Castillo | 3a66aca | 2015-04-13 17:36:19 +0100 | [diff] [blame] | 88 | .mode = FOPEN_MODE_RB |
| 89 | }, |
Juan Castillo | be80120 | 2015-12-03 10:19:21 +0000 | [diff] [blame] | 90 | [TRUSTED_OS_FW_CONTENT_CERT_ID] = { |
| 91 | .path = TOS_FW_CONTENT_CERT_NAME, |
Juan Castillo | 3a66aca | 2015-04-13 17:36:19 +0100 | [diff] [blame] | 92 | .mode = FOPEN_MODE_RB |
| 93 | }, |
Juan Castillo | be80120 | 2015-12-03 10:19:21 +0000 | [diff] [blame] | 94 | [NON_TRUSTED_FW_CONTENT_CERT_ID] = { |
| 95 | .path = NT_FW_CONTENT_CERT_NAME, |
Juan Castillo | 3a66aca | 2015-04-13 17:36:19 +0100 | [diff] [blame] | 96 | .mode = FOPEN_MODE_RB |
| 97 | }, |
| 98 | #endif /* TRUSTED_BOARD_BOOT */ |
| 99 | }; |
| 100 | |
Harry Liebel | 561cd33 | 2014-02-14 14:42:48 +0000 | [diff] [blame] | 101 | |
Dan Handley | a4cb68e | 2014-04-23 13:47:06 +0100 | [diff] [blame] | 102 | static int open_semihosting(const uintptr_t spec) |
Harry Liebel | 561cd33 | 2014-02-14 14:42:48 +0000 | [diff] [blame] | 103 | { |
Juan Castillo | 6e76206 | 2015-11-02 10:47:01 +0000 | [diff] [blame] | 104 | int result; |
Dan Handley | a4cb68e | 2014-04-23 13:47:06 +0100 | [diff] [blame] | 105 | uintptr_t local_image_handle; |
Harry Liebel | 561cd33 | 2014-02-14 14:42:48 +0000 | [diff] [blame] | 106 | |
| 107 | /* See if the file exists on semi-hosting.*/ |
Dan Handley | 2b6b574 | 2015-03-19 19:17:53 +0000 | [diff] [blame] | 108 | result = io_dev_init(sh_dev_handle, (uintptr_t)NULL); |
Juan Castillo | 6e76206 | 2015-11-02 10:47:01 +0000 | [diff] [blame] | 109 | if (result == 0) { |
Harry Liebel | 561cd33 | 2014-02-14 14:42:48 +0000 | [diff] [blame] | 110 | result = io_open(sh_dev_handle, spec, &local_image_handle); |
Juan Castillo | 6e76206 | 2015-11-02 10:47:01 +0000 | [diff] [blame] | 111 | if (result == 0) { |
Dan Handley | 91b624e | 2014-07-29 17:14:00 +0100 | [diff] [blame] | 112 | VERBOSE("Using Semi-hosting IO\n"); |
Harry Liebel | 561cd33 | 2014-02-14 14:42:48 +0000 | [diff] [blame] | 113 | io_close(local_image_handle); |
| 114 | } |
| 115 | } |
| 116 | return result; |
| 117 | } |
| 118 | |
Dan Handley | 2b6b574 | 2015-03-19 19:17:53 +0000 | [diff] [blame] | 119 | void plat_arm_io_setup(void) |
Harry Liebel | 561cd33 | 2014-02-14 14:42:48 +0000 | [diff] [blame] | 120 | { |
Dan Handley | 2b6b574 | 2015-03-19 19:17:53 +0000 | [diff] [blame] | 121 | int io_result; |
Harry Liebel | 561cd33 | 2014-02-14 14:42:48 +0000 | [diff] [blame] | 122 | |
Louis Mayencourt | 7d24ce1 | 2020-01-29 14:43:06 +0000 | [diff] [blame] | 123 | io_result = arm_io_setup(); |
| 124 | if (io_result < 0) { |
| 125 | panic(); |
| 126 | } |
Harry Liebel | 561cd33 | 2014-02-14 14:42:48 +0000 | [diff] [blame] | 127 | |
Dan Handley | 2b6b574 | 2015-03-19 19:17:53 +0000 | [diff] [blame] | 128 | /* Register the additional IO devices on this platform */ |
| 129 | io_result = register_io_dev_sh(&sh_dev_con); |
Louis Mayencourt | 7d24ce1 | 2020-01-29 14:43:06 +0000 | [diff] [blame] | 130 | if (io_result < 0) { |
| 131 | panic(); |
| 132 | } |
Harry Liebel | 561cd33 | 2014-02-14 14:42:48 +0000 | [diff] [blame] | 133 | |
| 134 | /* Open connections to devices and cache the handles */ |
Dan Handley | 2b6b574 | 2015-03-19 19:17:53 +0000 | [diff] [blame] | 135 | io_result = io_dev_open(sh_dev_con, (uintptr_t)NULL, &sh_dev_handle); |
Louis Mayencourt | 7d24ce1 | 2020-01-29 14:43:06 +0000 | [diff] [blame] | 136 | if (io_result < 0) { |
| 137 | panic(); |
| 138 | } |
James Morrissey | 9d72b4e | 2014-02-10 17:04:32 +0000 | [diff] [blame] | 139 | } |
| 140 | |
Juan Castillo | 3a66aca | 2015-04-13 17:36:19 +0100 | [diff] [blame] | 141 | /* |
| 142 | * FVP provides semihosting as an alternative to load images |
| 143 | */ |
| 144 | int plat_arm_get_alt_image_source(unsigned int image_id, uintptr_t *dev_handle, |
| 145 | uintptr_t *image_spec) |
James Morrissey | 9d72b4e | 2014-02-10 17:04:32 +0000 | [diff] [blame] | 146 | { |
Juan Castillo | 3a66aca | 2015-04-13 17:36:19 +0100 | [diff] [blame] | 147 | int result = open_semihosting((const uintptr_t)&sh_file_spec[image_id]); |
Juan Castillo | 6e76206 | 2015-11-02 10:47:01 +0000 | [diff] [blame] | 148 | if (result == 0) { |
Dan Handley | 2b6b574 | 2015-03-19 19:17:53 +0000 | [diff] [blame] | 149 | *dev_handle = sh_dev_handle; |
Juan Castillo | 3a66aca | 2015-04-13 17:36:19 +0100 | [diff] [blame] | 150 | *image_spec = (uintptr_t)&sh_file_spec[image_id]; |
| 151 | } |
James Morrissey | 9d72b4e | 2014-02-10 17:04:32 +0000 | [diff] [blame] | 152 | |
James Morrissey | 9d72b4e | 2014-02-10 17:04:32 +0000 | [diff] [blame] | 153 | return result; |
| 154 | } |