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 <platform_config.h> 8 9 #include <console.h> 10 #include <drivers/gic.h> 11 #include <drivers/sec_proxy.h> 12 #include <drivers/serial8250_uart.h> 13 #include <drivers/ti_sci.h> 14 #include <kernel/boot.h> 15 #include <kernel/panic.h> 16 #include <kernel/tee_common_otp.h> 17 #include <mm/core_memprot.h> 18 #include <mm/tee_pager.h> 19 #include <platform_config.h> 20 #include <stdint.h> 21 #include <string_ext.h> 22 23 static struct serial8250_uart_data console_data; 24 25 register_phys_mem_pgdir(MEM_AREA_IO_SEC, GICC_BASE, GICC_SIZE); 26 register_phys_mem_pgdir(MEM_AREA_IO_SEC, GICD_BASE, GICD_SIZE); 27 register_phys_mem_pgdir(MEM_AREA_IO_NSEC, CONSOLE_UART_BASE, 28 SERIAL8250_UART_REG_SIZE); 29 register_phys_mem_pgdir(MEM_AREA_IO_SEC, SEC_PROXY_DATA_BASE, 30 SEC_PROXY_DATA_SIZE); 31 register_phys_mem_pgdir(MEM_AREA_IO_SEC, SEC_PROXY_SCFG_BASE, 32 SEC_PROXY_SCFG_SIZE); 33 register_phys_mem_pgdir(MEM_AREA_IO_SEC, SEC_PROXY_RT_BASE, SEC_PROXY_RT_SIZE); 34 register_ddr(DRAM0_BASE, DRAM0_SIZE); 35 register_ddr(DRAM1_BASE, DRAM1_SIZE); 36 37 void main_init_gic(void) 38 { 39 gic_init(GICC_BASE, GICD_BASE); 40 } 41 42 void main_secondary_init_gic(void) 43 { 44 gic_cpu_init(); 45 } 46 47 void console_init(void) 48 { 49 serial8250_uart_init(&console_data, CONSOLE_UART_BASE, 50 CONSOLE_UART_CLK_IN_HZ, CONSOLE_BAUDRATE); 51 register_serial_console(&console_data.chip); 52 } 53 54 static TEE_Result init_ti_sci(void) 55 { 56 TEE_Result ret = TEE_SUCCESS; 57 58 ret = k3_sec_proxy_init(); 59 if (ret != TEE_SUCCESS) 60 return ret; 61 62 ret = ti_sci_init(); 63 if (ret) 64 return TEE_ERROR_GENERIC; 65 66 return TEE_SUCCESS; 67 } 68 service_init(init_ti_sci); 69 70 TEE_Result tee_otp_get_hw_unique_key(struct tee_hw_unique_key *hwkey) 71 { 72 uint8_t dkek[SA2UL_DKEK_KEY_LEN] = { }; 73 int ret = 0; 74 75 assert(SA2UL_DKEK_KEY_LEN >= HW_UNIQUE_KEY_LENGTH); 76 77 ret = ti_sci_get_dkek(0, "OP-TEE", "DKEK", dkek); 78 if (ret) { 79 EMSG("Could not get HUK"); 80 return TEE_ERROR_SECURITY; 81 } 82 83 memcpy(&hwkey->data[0], dkek, sizeof(hwkey->data)); 84 memzero_explicit(&dkek, sizeof(dkek)); 85 86 IMSG("HUK Initialized"); 87 88 return TEE_SUCCESS; 89 } 90