1 /* 2 * Copyright (c) 2016, Spreadtrum Communications Inc. 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 #include <console.h> 28 #include <drivers/sprd_uart.h> 29 #include <mm/core_memprot.h> 30 #include <platform_config.h> 31 32 static vaddr_t console_base(void) 33 { 34 static vaddr_t base; 35 36 if (cpu_mmu_enabled()) 37 base = (vaddr_t)phys_to_virt(CONSOLE_UART_BASE, 38 MEM_AREA_IO_SEC); 39 else 40 base = CONSOLE_UART_BASE; 41 42 return base; 43 } 44 45 /* Do nothing in this function */ 46 void console_init(void) 47 { 48 } 49 50 void console_putc(int ch) 51 { 52 sprd_uart_putc(console_base(), (unsigned char)(ch & 0xff)); 53 } 54 55 void console_flush(void) 56 { 57 sprd_uart_flush(console_base()); 58 } 59