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 static TEE_Result init_ti_sci(void) 53 { 54 TEE_Result ret = TEE_SUCCESS; 55 56 ret = k3_sec_proxy_init(); 57 if (ret != TEE_SUCCESS) 58 return ret; 59 60 ret = ti_sci_init(); 61 if (ret) 62 return TEE_ERROR_GENERIC; 63 64 return TEE_SUCCESS; 65 } 66 67 /* 68 * TISCI services are required for initialization of TRNG service that gets 69 * initialized during service_init_crypto. 70 * 71 * Initialize TISCI service just before service_init_crypto. 72 */ 73 early_init_late(init_ti_sci); 74 75 static TEE_Result secure_boot_information(void) 76 { 77 uint32_t keycnt = 0; 78 uint32_t keyrev = 0; 79 uint32_t swrev = 0; 80 81 if (!ti_sci_get_swrev(&swrev)) 82 IMSG("Secure Board Configuration Software: Rev %"PRIu32, 83 swrev); 84 85 if (!ti_sci_get_keycnt_keyrev(&keycnt, &keyrev)) 86 IMSG("Secure Boot Keys: Count %"PRIu32 ", Rev %"PRIu32, 87 keycnt, keyrev); 88 89 return TEE_SUCCESS; 90 } 91 92 service_init_late(secure_boot_information); 93 94 TEE_Result tee_otp_get_hw_unique_key(struct tee_hw_unique_key *hwkey) 95 { 96 uint8_t dkek[SA2UL_DKEK_KEY_LEN] = { }; 97 int ret = 0; 98 99 assert(SA2UL_DKEK_KEY_LEN >= HW_UNIQUE_KEY_LENGTH); 100 101 ret = ti_sci_get_dkek(0, "OP-TEE", "DKEK", dkek); 102 if (ret) { 103 EMSG("Could not get HUK"); 104 return TEE_ERROR_SECURITY; 105 } 106 107 memcpy(&hwkey->data[0], dkek, sizeof(hwkey->data)); 108 memzero_explicit(&dkek, sizeof(dkek)); 109 110 IMSG("HUK Initialized"); 111 112 return TEE_SUCCESS; 113 } 114