1 // SPDX-License-Identifier: BSD-2-Clause 2 /* 3 * Copyright (C) 2016-2018 Texas Instruments Incorporated - http://www.ti.com/ 4 * Andrew F. Davis <afd@ti.com> 5 */ 6 7 #include <console.h> 8 #include <drivers/gic.h> 9 #include <drivers/sec_proxy.h> 10 #include <drivers/serial8250_uart.h> 11 #include <drivers/ti_sci.h> 12 #include <kernel/boot.h> 13 #include <kernel/panic.h> 14 #include <kernel/tee_common_otp.h> 15 #include <mm/core_memprot.h> 16 #include <mm/tee_pager.h> 17 #include <platform_config.h> 18 #include <stdint.h> 19 #include <string_ext.h> 20 21 static struct serial8250_uart_data console_data; 22 23 register_phys_mem_pgdir(MEM_AREA_IO_SEC, GICC_BASE, GICC_SIZE); 24 register_phys_mem_pgdir(MEM_AREA_IO_SEC, GICD_BASE, GICD_SIZE); 25 register_phys_mem_pgdir(MEM_AREA_IO_NSEC, CONSOLE_UART_BASE, 26 SERIAL8250_UART_REG_SIZE); 27 register_phys_mem_pgdir(MEM_AREA_IO_SEC, SEC_PROXY_DATA_BASE, 28 SEC_PROXY_DATA_SIZE); 29 register_phys_mem_pgdir(MEM_AREA_IO_SEC, SEC_PROXY_SCFG_BASE, 30 SEC_PROXY_SCFG_SIZE); 31 register_phys_mem_pgdir(MEM_AREA_IO_SEC, SEC_PROXY_RT_BASE, SEC_PROXY_RT_SIZE); 32 register_ddr(DRAM0_BASE, DRAM0_SIZE); 33 register_ddr(DRAM1_BASE, DRAM1_SIZE); 34 35 void boot_primary_init_intc(void) 36 { 37 gic_init(GICC_BASE, GICD_BASE); 38 } 39 40 void boot_secondary_init_intc(void) 41 { 42 gic_init_per_cpu(); 43 } 44 45 void plat_console_init(void) 46 { 47 serial8250_uart_init(&console_data, CONSOLE_UART_BASE, 48 CONSOLE_UART_CLK_IN_HZ, CONSOLE_BAUDRATE); 49 register_serial_console(&console_data.chip); 50 } 51 52 #ifndef PLATFORM_FLAVOR_am62lx 53 static TEE_Result init_ti_sci(void) 54 { 55 TEE_Result ret = TEE_SUCCESS; 56 57 ret = k3_sec_proxy_init(); 58 if (ret != TEE_SUCCESS) 59 return ret; 60 61 ret = ti_sci_init(); 62 if (ret) 63 return TEE_ERROR_GENERIC; 64 65 return TEE_SUCCESS; 66 } 67 68 /* 69 * TISCI services are required for initialization of TRNG service that gets 70 * initialized during service_init_crypto. 71 * 72 * Initialize TISCI service just before service_init_crypto. 73 */ 74 early_init_late(init_ti_sci); 75 76 static TEE_Result secure_boot_information(void) 77 { 78 uint32_t keycnt = 0; 79 uint32_t keyrev = 0; 80 uint32_t swrev = 0; 81 82 if (!ti_sci_get_swrev(&swrev)) 83 IMSG("Secure Board Configuration Software: Rev %"PRIu32, 84 swrev); 85 86 if (!ti_sci_get_keycnt_keyrev(&keycnt, &keyrev)) 87 IMSG("Secure Boot Keys: Count %"PRIu32 ", Rev %"PRIu32, 88 keycnt, keyrev); 89 90 return TEE_SUCCESS; 91 } 92 93 service_init_late(secure_boot_information); 94 95 TEE_Result tee_otp_get_hw_unique_key(struct tee_hw_unique_key *hwkey) 96 { 97 uint8_t dkek[SA2UL_DKEK_KEY_LEN] = { }; 98 int ret = 0; 99 100 assert(SA2UL_DKEK_KEY_LEN >= HW_UNIQUE_KEY_LENGTH); 101 102 ret = ti_sci_get_dkek(0, "OP-TEE", "DKEK", dkek); 103 if (ret) { 104 EMSG("Could not get HUK"); 105 return TEE_ERROR_SECURITY; 106 } 107 108 memcpy(&hwkey->data[0], dkek, sizeof(hwkey->data)); 109 memzero_explicit(&dkek, sizeof(dkek)); 110 111 IMSG("HUK Initialized"); 112 113 return TEE_SUCCESS; 114 } 115 #endif /* PLATFORM_FLAVOR_am62lx */ 116