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
bl31_platform_setup(void)32 void bl31_platform_setup(void)
33 {
34 tc_bl31_common_platform_setup();
35 }
36
plat_css_get_scmi_info(unsigned int channel_id)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
bl31_early_platform_setup2(u_register_t arg0,u_register_t arg1,u_register_t arg2,u_register_t arg3)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
tc_run_platform_tests(void)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
tc_bl31_common_platform_setup(void)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
plat_arm_psci_override_pm_ops(plat_psci_ops_t * ops)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
bl31_plat_arch_setup(void)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)
tc_bl31_plat_runtime_setup(void)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
bl31_plat_runtime_setup(void)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 */
plat_spmd_handle_group0_interrupt(uint32_t intid)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
