1 /* 2 * Copyright (c) 2020-2022, 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 <lib/fconf/fconf.h> 17 #include <lib/fconf/fconf_dyn_cfg_getter.h> 18 #include <plat/arm/common/plat_arm.h> 19 #include <plat/common/platform.h> 20 21 static scmi_channel_plat_info_t tc_scmi_plat_info[] = { 22 { 23 .scmi_mbx_mem = CSS_SCMI_PAYLOAD_BASE, 24 .db_reg_addr = PLAT_CSS_MHU_BASE + SENDER_REG_SET(0), 25 .db_preserve_mask = 0xfffffffe, 26 .db_modify_mask = 0x1, 27 .ring_doorbell = &mhuv2_ring_doorbell, 28 } 29 }; 30 31 void bl31_platform_setup(void) 32 { 33 tc_bl31_common_platform_setup(); 34 } 35 36 scmi_channel_plat_info_t *plat_css_get_scmi_info(unsigned int channel_id) 37 { 38 39 return &tc_scmi_plat_info[channel_id]; 40 41 } 42 43 void bl31_early_platform_setup2(u_register_t arg0, u_register_t arg1, 44 u_register_t arg2, u_register_t arg3) 45 { 46 arm_bl31_early_platform_setup((void *)arg0, arg1, arg2, (void *)arg3); 47 48 /* Fill the properties struct with the info from the config dtb */ 49 fconf_populate("FW_CONFIG", arg1); 50 } 51 52 void tc_bl31_common_platform_setup(void) 53 { 54 arm_bl31_platform_setup(); 55 #ifdef PLATFORM_TEST 56 run_platform_tests(); 57 58 /* Suspend booting */ 59 plat_error_handler(-1); 60 #endif 61 } 62 63 const plat_psci_ops_t *plat_arm_psci_override_pm_ops(plat_psci_ops_t *ops) 64 { 65 return css_scmi_override_pm_ops(ops); 66 } 67 68 void __init bl31_plat_arch_setup(void) 69 { 70 arm_bl31_plat_arch_setup(); 71 72 /* HW_CONFIG was also loaded by BL2 */ 73 const struct dyn_cfg_dtb_info_t *hw_config_info; 74 75 hw_config_info = FCONF_GET_PROPERTY(dyn_cfg, dtb, HW_CONFIG_ID); 76 assert(hw_config_info != NULL); 77 78 fconf_populate("HW_CONFIG", hw_config_info->config_addr); 79 } 80