1 /* 2 * Copyright (c) 2015, Linaro Limited 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, 9 * this list of conditions and the following disclaimer. 10 * 11 * 2. Redistributions in binary form must reproduce the above copyright notice, 12 * this list of conditions and the following disclaimer in the documentation 13 * and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 25 * POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 #include <console.h> 29 #include <drivers/serial8250_uart.h> 30 #include <kernel/generic_boot.h> 31 #include <kernel/panic.h> 32 #include <kernel/pm_stubs.h> 33 #include <platform_config.h> 34 #include <stdint.h> 35 #include <tee/entry_std.h> 36 #include <tee/entry_fast.h> 37 38 static void main_fiq(void); 39 40 static const struct thread_handlers handlers = { 41 .std_smc = tee_entry_std, 42 .fast_smc = tee_entry_fast, 43 .fiq = main_fiq, 44 .cpu_on = cpu_on_handler, 45 .cpu_off = pm_do_nothing, 46 .cpu_suspend = pm_do_nothing, 47 .cpu_resume = pm_do_nothing, 48 .system_off = pm_do_nothing, 49 .system_reset = pm_do_nothing, 50 }; 51 52 const struct thread_handlers *generic_boot_get_handlers(void) 53 { 54 return &handlers; 55 } 56 57 static void main_fiq(void) 58 { 59 panic(); 60 } 61 62 void console_init(void) 63 { 64 serial8250_uart_init(CONSOLE_UART_BASE, 65 CONSOLE_UART_CLK_IN_HZ, 66 CONSOLE_BAUDRATE); 67 } 68 69 void console_putc(int ch) 70 { 71 serial8250_uart_putc(ch, CONSOLE_UART_BASE); 72 if (ch == '\n') 73 serial8250_uart_putc('\r', CONSOLE_UART_BASE); 74 } 75 76 void console_flush(void) 77 { 78 serial8250_uart_flush_tx_fifo(CONSOLE_UART_BASE); 79 } 80