42 lines
983 B
C
42 lines
983 B
C
/*
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* Arch specific code for Ralink based boards
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*
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* Copyright (C) 2013 John Crispin <blogic@openwrt.org>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published
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* by the Free Software Foundation.
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*/
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#include <stddef.h>
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#include "config.h"
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#define READREG(r) *(volatile unsigned int *)(r)
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#define WRITEREG(r,v) *(volatile unsigned int *)(r) = v
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#define KSEG1ADDR(_x) (((_x) & 0x1fffffff) | 0xa0000000)
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#ifdef CONFIG_SOC_RT288X
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#define UART_BASE 0xb0300c00
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#else
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#define UART_BASE 0xb0000c00
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#endif
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#define UART_TX 1
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#define UART_LSR 7
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#define UART_LSR_THRE 0x20
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#define UART_READ(r) READREG(UART_BASE + 4 * (r))
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#define UART_WRITE(r,v) WRITEREG(UART_BASE + 4 * (r), (v))
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void board_putc(int ch)
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{
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while (((UART_READ(UART_LSR)) & UART_LSR_THRE) == 0);
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UART_WRITE(UART_TX, ch);
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while (((UART_READ(UART_LSR)) & UART_LSR_THRE) == 0);
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}
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void board_init(void)
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{
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}
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