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/serial8250_uart.h> 12 #include <kernel/generic_boot.h> 13 #include <kernel/panic.h> 14 #include <kernel/pm_stubs.h> 15 #include <mm/core_memprot.h> 16 #include <mm/tee_pager.h> 17 #include <platform_config.h> 18 #include <stdint.h> 19 #include <tee/entry_fast.h> 20 #include <tee/entry_std.h> 21 22 static struct gic_data gic_data; 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 30 void main_init_gic(void) 31 { 32 vaddr_t gicc_base; 33 vaddr_t gicd_base; 34 35 gicc_base = (vaddr_t)phys_to_virt(GICC_BASE, MEM_AREA_IO_SEC); 36 gicd_base = (vaddr_t)phys_to_virt(GICD_BASE, MEM_AREA_IO_SEC); 37 38 if (!gicc_base || !gicd_base) 39 panic(); 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 static void main_fiq(void) 51 { 52 gic_it_handle(&gic_data); 53 } 54 55 static const struct thread_handlers handlers = { 56 .std_smc = tee_entry_std, 57 .fast_smc = tee_entry_fast, 58 .nintr = main_fiq, 59 .cpu_on = cpu_on_handler, 60 .cpu_off = pm_do_nothing, 61 .cpu_suspend = pm_do_nothing, 62 .cpu_resume = pm_do_nothing, 63 .system_off = pm_do_nothing, 64 .system_reset = pm_do_nothing, 65 }; 66 67 const struct thread_handlers *generic_boot_get_handlers(void) 68 { 69 return &handlers; 70 } 71 72 void console_init(void) 73 { 74 serial8250_uart_init(&console_data, CONSOLE_UART_BASE, 75 CONSOLE_UART_CLK_IN_HZ, CONSOLE_BAUDRATE); 76 register_serial_console(&console_data.chip); 77 } 78