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Usama Arifbec5afd2020-04-17 16:13:39 +01001/*
Boyan Karatotevffe75692023-11-29 15:27:18 +00002 * Copyright (c) 2020-2024, Arm Limited and Contributors. All rights reserved.
Usama Arifbec5afd2020-04-17 16:13:39 +01003 *
4 * SPDX-License-Identifier: BSD-3-Clause
5 */
6
7#include <assert.h>
8
9#include <libfdt.h>
Usama Ariff1513622021-04-09 17:07:41 +010010#include <tc_plat.h>
Usama Arifbec5afd2020-04-17 16:13:39 +010011
Manish V Badarkheb241efb2023-10-18 14:11:45 +010012#include <arch_helpers.h>
Usama Arifbec5afd2020-04-17 16:13:39 +010013#include <common/bl_common.h>
14#include <common/debug.h>
15#include <drivers/arm/css/css_mhu_doorbell.h>
16#include <drivers/arm/css/scmi.h>
Madhukar Pappireddye108df22023-03-22 15:40:40 -050017#include <drivers/arm/sbsa.h>
Usama Arifa49bd492021-08-17 17:57:10 +010018#include <lib/fconf/fconf.h>
19#include <lib/fconf/fconf_dyn_cfg_getter.h>
Usama Arifbec5afd2020-04-17 16:13:39 +010020#include <plat/arm/common/plat_arm.h>
21#include <plat/common/platform.h>
22
Manish V Badarkheb20ca822023-12-06 09:16:08 +000023#ifdef PLATFORM_TEST_TFM_TESTSUITE
Manish V Badarkheb241efb2023-10-18 14:11:45 +010024#include <psa/crypto_platform.h>
25#include <psa/crypto_types.h>
26#include <psa/crypto_values.h>
Manish V Badarkheb20ca822023-12-06 09:16:08 +000027#endif /* PLATFORM_TEST_TFM_TESTSUITE */
Manish V Badarkheb241efb2023-10-18 14:11:45 +010028
29#ifdef PLATFORM_TEST_TFM_TESTSUITE
30/*
31 * We pretend using an external RNG (through MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG
32 * mbedTLS config option) so we need to provide an implementation of
33 * mbedtls_psa_external_get_random(). Provide a fake one, since we do not
34 * actually use any of external RNG and this function is only needed during
35 * the execution of TF-M testsuite during exporting the public part of the
36 * delegated attestation key.
37 */
38psa_status_t mbedtls_psa_external_get_random(
39 mbedtls_psa_external_random_context_t *context,
40 uint8_t *output, size_t output_size,
41 size_t *output_length)
42{
43 for (size_t i = 0U; i < output_size; i++) {
44 output[i] = (uint8_t)(read_cntpct_el0() & 0xFFU);
45 }
46
47 *output_length = output_size;
48
49 return PSA_SUCCESS;
50}
51#endif /* PLATFORM_TEST_TFM_TESTSUITE */
52
Leo Yan7d51bf82024-05-22 15:42:46 +010053#if TARGET_PLATFORM <= 2
Leo Yan8dd7d432024-05-22 15:41:37 +010054static scmi_channel_plat_info_t tc_scmi_plat_info = {
55 .scmi_mbx_mem = CSS_SCMI_PAYLOAD_BASE,
56 .db_reg_addr = PLAT_CSS_MHU_BASE + SENDER_REG_SET(0),
57 .db_preserve_mask = 0xfffffffe,
58 .db_modify_mask = 0x1,
59 .ring_doorbell = &mhuv2_ring_doorbell,
Usama Arifbec5afd2020-04-17 16:13:39 +010060};
Leo Yan7d51bf82024-05-22 15:42:46 +010061#elif TARGET_PLATFORM == 3
62static scmi_channel_plat_info_t tc_scmi_plat_info = {
63 .scmi_mbx_mem = CSS_SCMI_PAYLOAD_BASE,
64 .db_reg_addr = PLAT_CSS_MHU_BASE + MHU_V3_SENDER_REG_SET(0),
65 .db_preserve_mask = 0xfffffffe,
66 .db_modify_mask = 0x1,
67 .ring_doorbell = &mhu_ring_doorbell,
68};
69#endif
Usama Arifbec5afd2020-04-17 16:13:39 +010070
71void bl31_platform_setup(void)
72{
Usama Ariff1513622021-04-09 17:07:41 +010073 tc_bl31_common_platform_setup();
Usama Arifbec5afd2020-04-17 16:13:39 +010074}
75
Leo Yan8dd7d432024-05-22 15:41:37 +010076scmi_channel_plat_info_t *plat_css_get_scmi_info(unsigned int channel_id __unused)
Usama Arifbec5afd2020-04-17 16:13:39 +010077{
78
Leo Yan8dd7d432024-05-22 15:41:37 +010079 return &tc_scmi_plat_info;
Usama Arifbec5afd2020-04-17 16:13:39 +010080
81}
82
83void bl31_early_platform_setup2(u_register_t arg0, u_register_t arg1,
84 u_register_t arg2, u_register_t arg3)
85{
86 arm_bl31_early_platform_setup((void *)arg0, arg1, arg2, (void *)arg3);
Usama Arifa49bd492021-08-17 17:57:10 +010087
88 /* Fill the properties struct with the info from the config dtb */
89 fconf_populate("FW_CONFIG", arg1);
Usama Arifbec5afd2020-04-17 16:13:39 +010090}
91
laurenw-arm4c4181c2023-05-04 14:55:37 -050092#ifdef PLATFORM_TESTS
Sandrine Bailleux27fba522023-05-05 15:44:26 +020093static __dead2 void tc_run_platform_tests(void)
Usama Arifbec5afd2020-04-17 16:13:39 +010094{
Sandrine Bailleuxf0f42fb2023-05-05 15:59:00 +020095 int tests_failed;
96
97 printf("\nStarting platform tests...\n");
Mate Toth-Pal14ba4af2022-10-21 14:24:49 +020098
Tamas Ban15b79da2023-04-21 09:31:48 +020099#ifdef PLATFORM_TEST_NV_COUNTERS
Sandrine Bailleuxf0f42fb2023-05-05 15:59:00 +0200100 tests_failed = nv_counter_test();
laurenw-arm116f10c2023-06-13 16:43:39 -0500101#elif PLATFORM_TEST_ROTPK
102 tests_failed = rotpk_test();
Tamas Ban15b79da2023-04-21 09:31:48 +0200103#elif PLATFORM_TEST_TFM_TESTSUITE
Sandrine Bailleuxf0f42fb2023-05-05 15:59:00 +0200104 tests_failed = run_platform_tests();
laurenw-arm2ce1e352023-02-07 13:40:05 -0600105#endif
Sandrine Bailleuxf0f42fb2023-05-05 15:59:00 +0200106
107 printf("Platform tests %s.\n",
108 (tests_failed != 0) ? "failed" : "succeeded");
109
Sandrine Bailleuxe1da6c42023-05-05 13:59:07 +0200110 /* Suspend booting, no matter the tests outcome. */
Sandrine Bailleuxf0f42fb2023-05-05 15:59:00 +0200111 printf("Suspend booting...\n");
Mate Toth-Pal14ba4af2022-10-21 14:24:49 +0200112 plat_error_handler(-1);
Sandrine Bailleux27fba522023-05-05 15:44:26 +0200113}
114#endif
115
116void tc_bl31_common_platform_setup(void)
117{
118 arm_bl31_platform_setup();
119
120#ifdef PLATFORM_TESTS
121 tc_run_platform_tests();
laurenw-arm481ac282023-05-03 12:48:55 -0500122#endif
Usama Arifbec5afd2020-04-17 16:13:39 +0100123}
124
125const plat_psci_ops_t *plat_arm_psci_override_pm_ops(plat_psci_ops_t *ops)
126{
127 return css_scmi_override_pm_ops(ops);
128}
Usama Arifa49bd492021-08-17 17:57:10 +0100129
130void __init bl31_plat_arch_setup(void)
131{
132 arm_bl31_plat_arch_setup();
133
134 /* HW_CONFIG was also loaded by BL2 */
135 const struct dyn_cfg_dtb_info_t *hw_config_info;
136
137 hw_config_info = FCONF_GET_PROPERTY(dyn_cfg, dtb, HW_CONFIG_ID);
138 assert(hw_config_info != NULL);
139
140 fconf_populate("HW_CONFIG", hw_config_info->config_addr);
141}
Madhukar Pappireddye108df22023-03-22 15:40:40 -0500142
Govindraj Raja436ea5e2023-05-10 14:50:36 -0500143#if defined(SPD_spmd) && (SPMC_AT_EL3 == 0)
Madhukar Pappireddye108df22023-03-22 15:40:40 -0500144void tc_bl31_plat_runtime_setup(void)
145{
Madhukar Pappireddye108df22023-03-22 15:40:40 -0500146 /* Start secure watchdog timer. */
147 plat_arm_secure_wdt_start();
Salman Nabi442b0752024-02-19 17:03:44 +0000148
149 arm_bl31_plat_runtime_setup();
Madhukar Pappireddye108df22023-03-22 15:40:40 -0500150}
151
152void bl31_plat_runtime_setup(void)
153{
154 tc_bl31_plat_runtime_setup();
155}
156
157/*
158 * Platform handler for Group0 secure interrupt.
159 */
160int plat_spmd_handle_group0_interrupt(uint32_t intid)
161{
162 /* Trusted Watchdog timer is the only source of Group0 interrupt now. */
163 if (intid == SBSA_SECURE_WDOG_INTID) {
Madhukar Pappireddye108df22023-03-22 15:40:40 -0500164 /* Refresh the timer. */
165 plat_arm_secure_wdt_refresh();
166
Madhukar Pappireddye108df22023-03-22 15:40:40 -0500167 return 0;
168 }
169
170 return -1;
171}
Govindraj Raja436ea5e2023-05-10 14:50:36 -0500172#endif /*defined(SPD_spmd) && (SPMC_AT_EL3 == 0)*/