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/interrupt.h> 14 #include <kernel/panic.h> 15 #include <kernel/pm_stubs.h> 16 #include <mm/core_memprot.h> 17 #include <mm/tee_pager.h> 18 #include <platform_config.h> 19 #include <stdint.h> 20 #include <tee/entry_fast.h> 21 #include <tee/entry_std.h> 22 23 static struct gic_data gic_data; 24 static struct serial8250_uart_data console_data; 25 26 register_phys_mem_pgdir(MEM_AREA_IO_SEC, GICC_BASE, GICC_SIZE); 27 register_phys_mem_pgdir(MEM_AREA_IO_SEC, GICD_BASE, GICD_SIZE); 28 register_phys_mem_pgdir(MEM_AREA_IO_NSEC, CONSOLE_UART_BASE, 29 SERIAL8250_UART_REG_SIZE); 30 31 void main_init_gic(void) 32 { 33 vaddr_t gicc_base; 34 vaddr_t gicd_base; 35 36 gicc_base = (vaddr_t)phys_to_virt(GICC_BASE, MEM_AREA_IO_SEC); 37 gicd_base = (vaddr_t)phys_to_virt(GICD_BASE, MEM_AREA_IO_SEC); 38 39 if (!gicc_base || !gicd_base) 40 panic(); 41 42 gic_init_base_addr(&gic_data, gicc_base, gicd_base); 43 itr_init(&gic_data.chip); 44 } 45 46 void main_secondary_init_gic(void) 47 { 48 gic_cpu_init(&gic_data); 49 } 50 51 void itr_core_handler(void) 52 { 53 gic_it_handle(&gic_data); 54 } 55 56 static const struct thread_handlers handlers = { 57 .cpu_on = cpu_on_handler, 58 .cpu_off = pm_do_nothing, 59 .cpu_suspend = pm_do_nothing, 60 .cpu_resume = pm_do_nothing, 61 .system_off = pm_do_nothing, 62 .system_reset = pm_do_nothing, 63 }; 64 65 const struct thread_handlers *generic_boot_get_handlers(void) 66 { 67 return &handlers; 68 } 69 70 void console_init(void) 71 { 72 serial8250_uart_init(&console_data, CONSOLE_UART_BASE, 73 CONSOLE_UART_CLK_IN_HZ, CONSOLE_BAUDRATE); 74 register_serial_console(&console_data.chip); 75 } 76