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/*
 * Arch specific code for Ralink based boards
 *
 * Copyright (C) 2013 John Crispin <blogic@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 KSEG1ADDR(_x)           (((_x) & 0x1fffffff) | 0xa0000000)

#ifdef CONFIG_SOC_RT288X
#define UART_BASE               0xb0300c00
#else
#define UART_BASE               0xb0000c00
#endif

#define UART_TX                 1
#define UART_LSR                7

#define UART_LSR_THRE           0x20

#define UART_READ(r)            READREG(UART_BASE + 4 * (r))
#define UART_WRITE(r,v)         WRITEREG(UART_BASE + 4 * (r), (v))

void board_putc(int ch)
{
        while (((UART_READ(UART_LSR)) & UART_LSR_THRE) == 0);
        UART_WRITE(UART_TX, ch);
        while (((UART_READ(UART_LSR)) & UART_LSR_THRE) == 0);
}

void board_init(void)
{
}