1 // SPDX-License-Identifier: BSD-2-Clause 2 /* 3 * Copyright (c) 2016, Sequitur Labs Inc. All rights reserved. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are met: 8 * 9 * 1. Redistributions of source code must retain the above copyright notice, 10 * this list of conditions and the following disclaimer. 11 * 12 * 2. Redistributions in binary form must reproduce the above copyright notice, 13 * this list of conditions and the following disclaimer in the documentation 14 * and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include <console.h> 30 #include <drivers/serial8250_uart.h> 31 #include <kernel/generic_boot.h> 32 #include <kernel/panic.h> 33 #include <kernel/pm_stubs.h> 34 #include <mm/core_memprot.h> 35 #include <mm/tee_pager.h> 36 #include <platform_config.h> 37 #include <stdint.h> 38 #include <tee/entry_fast.h> 39 #include <tee/entry_std.h> 40 41 register_phys_mem(MEM_AREA_IO_NSEC, 42 CONSOLE_UART_BASE, SERIAL8250_UART_REG_SIZE); 43 44 static void main_fiq(void) 45 { 46 panic(); 47 } 48 49 static const struct thread_handlers handlers = { 50 .std_smc = tee_entry_std, 51 .fast_smc = tee_entry_fast, 52 .nintr = main_fiq, 53 .cpu_on = cpu_on_handler, 54 .cpu_off = pm_do_nothing, 55 .cpu_suspend = pm_do_nothing, 56 .cpu_resume = pm_do_nothing, 57 .system_off = pm_do_nothing, 58 .system_reset = pm_do_nothing, 59 }; 60 61 static struct serial8250_uart_data console_data; 62 63 const struct thread_handlers *generic_boot_get_handlers(void) 64 { 65 return &handlers; 66 } 67 68 void console_init(void) 69 { 70 serial8250_uart_init(&console_data, CONSOLE_UART_BASE, 71 CONSOLE_UART_CLK_IN_HZ, CONSOLE_BAUDRATE); 72 register_serial_console(&console_data.chip); 73 } 74