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/*
* BCM63XX specific implementation parts
*
* Copyright (C) 2020 Álvaro Fernández Rojas <noltari@gmail.com>
* Copyright (C) 2014 Jonas Gorski <jogo@openwrt.org>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation.
*/
#include <stddef.h>
#include "config.h"
#define READREG(r) *(volatile unsigned int *)(r)
#define WRITEREG(r,v) *(volatile unsigned int *)(r) = v
#define UART_IR_REG 0x10
#define UART_FIFO_REG 0x14
static void wait_xfered(void)
{
unsigned int val;
do {
val = READREG(UART_BASE + UART_IR_REG);
if (val & (1 << 5))
break;
} while (1);
}
void board_putc(int ch)
{
if (!UART_BASE)
return;
wait_xfered();
WRITEREG(UART_BASE + UART_FIFO_REG, ch);
wait_xfered();
}
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