2 * Copyright (c) 2016, Linaro Limited
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
8 * 1. Redistributions of source code must retain the above copyright notice,
9 * this list of conditions and the following disclaimer.
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.
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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29 #include <drivers/serial8250_uart.h>
30 #include <mm/core_memprot.h>
31 #include <platform_config.h>
33 register_phys_mem(MEM_AREA_IO_NSEC,
35 SERIAL8250_UART_REG_SIZE);
37 static vaddr_t console_base(void)
39 static void *va __early_bss;
41 if (cpu_mmu_enabled()) {
43 va = phys_to_virt(CONSOLE_UART_BASE, MEM_AREA_IO_NSEC);
46 return CONSOLE_UART_BASE;
49 void console_init(void)
51 serial8250_uart_init(console_base(), CONSOLE_UART_CLK_IN_HZ,
55 void console_putc(int ch)
57 vaddr_t base = console_base();
60 serial8250_uart_putc('\r', base);
61 serial8250_uart_putc(ch, base);
64 void console_flush(void)
66 serial8250_uart_flush_tx_fifo(console_base());