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/interrupt.h> 16 #include <kernel/panic.h> 17 #include <kernel/tee_common_otp.h> 18 #include <mm/core_memprot.h> 19 #include <mm/tee_pager.h> 20 #include <platform_config.h> 21 #include <stdint.h> 22 #include <string_ext.h> 23 24 static struct gic_data gic_data; 25 static struct serial8250_uart_data console_data; 26 27 register_phys_mem_pgdir(MEM_AREA_IO_SEC, GICC_BASE, GICC_SIZE); 28 register_phys_mem_pgdir(MEM_AREA_IO_SEC, GICD_BASE, GICD_SIZE); 29 register_phys_mem_pgdir(MEM_AREA_IO_NSEC, CONSOLE_UART_BASE, 30 SERIAL8250_UART_REG_SIZE); 31 register_phys_mem_pgdir(MEM_AREA_IO_SEC, SEC_PROXY_DATA_BASE, 32 SEC_PROXY_DATA_SIZE); 33 register_phys_mem_pgdir(MEM_AREA_IO_SEC, SEC_PROXY_SCFG_BASE, 34 SEC_PROXY_SCFG_SIZE); 35 register_phys_mem_pgdir(MEM_AREA_IO_SEC, SEC_PROXY_RT_BASE, SEC_PROXY_RT_SIZE); 36 register_ddr(DRAM0_BASE, DRAM0_SIZE); 37 register_ddr(DRAM1_BASE, DRAM1_SIZE); 38 39 void main_init_gic(void) 40 { 41 gic_init_base_addr(&gic_data, GICC_BASE, GICD_BASE); 42 itr_init(&gic_data.chip); 43 } 44 45 void main_secondary_init_gic(void) 46 { 47 gic_cpu_init(&gic_data); 48 } 49 50 void itr_core_handler(void) 51 { 52 gic_it_handle(&gic_data); 53 } 54 55 void console_init(void) 56 { 57 serial8250_uart_init(&console_data, CONSOLE_UART_BASE, 58 CONSOLE_UART_CLK_IN_HZ, CONSOLE_BAUDRATE); 59 register_serial_console(&console_data.chip); 60 } 61 62 static TEE_Result init_ti_sci(void) 63 { 64 TEE_Result ret = TEE_SUCCESS; 65 66 ret = k3_sec_proxy_init(); 67 if (ret != TEE_SUCCESS) 68 return ret; 69 70 ret = ti_sci_init(); 71 if (ret) 72 return TEE_ERROR_GENERIC; 73 74 return TEE_SUCCESS; 75 } 76 service_init(init_ti_sci); 77 78 TEE_Result tee_otp_get_hw_unique_key(struct tee_hw_unique_key *hwkey) 79 { 80 uint8_t dkek[SA2UL_DKEK_KEY_LEN] = { }; 81 int ret = 0; 82 83 assert(SA2UL_DKEK_KEY_LEN >= HW_UNIQUE_KEY_LENGTH); 84 85 ret = ti_sci_get_dkek(0, "OP-TEE", "DKEK", dkek); 86 if (ret) { 87 EMSG("Could not get HUK"); 88 return TEE_ERROR_SECURITY; 89 } 90 91 memcpy(&hwkey->data[0], dkek, sizeof(hwkey->data)); 92 memzero_explicit(&dkek, sizeof(dkek)); 93 94 IMSG("HUK Initialized"); 95 96 return TEE_SUCCESS; 97 } 98