1 /* 2 * Copyright (c) 2020-2023, Arm Limited and Contributors. All rights reserved. 3 * 4 * SPDX-License-Identifier: BSD-3-Clause 5 */ 6 7 #include <assert.h> 8 9 #include <libfdt.h> 10 #include <tc_plat.h> 11 12 #include <common/bl_common.h> 13 #include <common/debug.h> 14 #include <drivers/arm/css/css_mhu_doorbell.h> 15 #include <drivers/arm/css/scmi.h> 16 #include <drivers/arm/sbsa.h> 17 #include <lib/fconf/fconf.h> 18 #include <lib/fconf/fconf_dyn_cfg_getter.h> 19 #include <plat/arm/common/plat_arm.h> 20 #include <plat/common/platform.h> 21 22 static scmi_channel_plat_info_t tc_scmi_plat_info[] = { 23 { 24 .scmi_mbx_mem = CSS_SCMI_PAYLOAD_BASE, 25 .db_reg_addr = PLAT_CSS_MHU_BASE + SENDER_REG_SET(0), 26 .db_preserve_mask = 0xfffffffe, 27 .db_modify_mask = 0x1, 28 .ring_doorbell = &mhuv2_ring_doorbell, 29 } 30 }; 31 32 void bl31_platform_setup(void) 33 { 34 tc_bl31_common_platform_setup(); 35 } 36 37 scmi_channel_plat_info_t *plat_css_get_scmi_info(unsigned int channel_id) 38 { 39 40 return &tc_scmi_plat_info[channel_id]; 41 42 } 43 44 void bl31_early_platform_setup2(u_register_t arg0, u_register_t arg1, 45 u_register_t arg2, u_register_t arg3) 46 { 47 arm_bl31_early_platform_setup((void *)arg0, arg1, arg2, (void *)arg3); 48 49 /* Fill the properties struct with the info from the config dtb */ 50 fconf_populate("FW_CONFIG", arg1); 51 } 52 53 #ifdef PLATFORM_TESTS 54 static __dead2 void tc_run_platform_tests(void) 55 { 56 int tests_failed; 57 58 printf("\nStarting platform tests...\n"); 59 60 #ifdef PLATFORM_TEST_NV_COUNTERS 61 tests_failed = nv_counter_test(); 62 #elif PLATFORM_TEST_ROTPK 63 tests_failed = rotpk_test(); 64 #elif PLATFORM_TEST_TFM_TESTSUITE 65 tests_failed = run_platform_tests(); 66 #endif 67 68 printf("Platform tests %s.\n", 69 (tests_failed != 0) ? "failed" : "succeeded"); 70 71 /* Suspend booting, no matter the tests outcome. */ 72 printf("Suspend booting...\n"); 73 plat_error_handler(-1); 74 } 75 #endif 76 77 void tc_bl31_common_platform_setup(void) 78 { 79 arm_bl31_platform_setup(); 80 81 #ifdef PLATFORM_TESTS 82 tc_run_platform_tests(); 83 #endif 84 } 85 86 const plat_psci_ops_t *plat_arm_psci_override_pm_ops(plat_psci_ops_t *ops) 87 { 88 return css_scmi_override_pm_ops(ops); 89 } 90 91 void __init bl31_plat_arch_setup(void) 92 { 93 arm_bl31_plat_arch_setup(); 94 95 /* HW_CONFIG was also loaded by BL2 */ 96 const struct dyn_cfg_dtb_info_t *hw_config_info; 97 98 hw_config_info = FCONF_GET_PROPERTY(dyn_cfg, dtb, HW_CONFIG_ID); 99 assert(hw_config_info != NULL); 100 101 fconf_populate("HW_CONFIG", hw_config_info->config_addr); 102 } 103 104 #if defined(SPD_spmd) && (SPMC_AT_EL3 == 0) 105 void tc_bl31_plat_runtime_setup(void) 106 { 107 arm_bl31_plat_runtime_setup(); 108 109 /* Start secure watchdog timer. */ 110 plat_arm_secure_wdt_start(); 111 } 112 113 void bl31_plat_runtime_setup(void) 114 { 115 tc_bl31_plat_runtime_setup(); 116 } 117 118 /* 119 * Platform handler for Group0 secure interrupt. 120 */ 121 int plat_spmd_handle_group0_interrupt(uint32_t intid) 122 { 123 /* Trusted Watchdog timer is the only source of Group0 interrupt now. */ 124 if (intid == SBSA_SECURE_WDOG_INTID) { 125 /* Refresh the timer. */ 126 plat_arm_secure_wdt_refresh(); 127 128 return 0; 129 } 130 131 return -1; 132 } 133 #endif /*defined(SPD_spmd) && (SPMC_AT_EL3 == 0)*/ 134