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/*
* Copyright (C) 2009 Lemote Inc.
* Author: Wu Zhangjin, wuzhangjin@gmail.com
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*/
#include <linux/module.h>
#include <asm/bootinfo.h>
#include <loongson.h>
/* ioremapped */
unsigned long _loongson_uart_base;
EXPORT_SYMBOL(_loongson_uart_base);
/* raw */
unsigned long loongson_uart_base;
EXPORT_SYMBOL(loongson_uart_base);
void prom_init_loongson_uart_base(void)
{
switch (mips_machtype) {
case MACH_LEMOTE_FL2E:
loongson_uart_base = LOONGSON_PCIIO_BASE + 0x3f8;
break;
case MACH_LEMOTE_FL2F:
case MACH_LEMOTE_LL2F:
loongson_uart_base = LOONGSON_PCIIO_BASE + 0x2f8;
break;
case MACH_LEMOTE_ML2F7:
case MACH_LEMOTE_YL2F89:
case MACH_DEXXON_GDIUM2F10:
case MACH_LEMOTE_NAS:
default:
/* The CPU provided serial port (LPC) */
loongson_uart_base = LOONGSON_LIO1_BASE + 0x3f8;
break;
case MACH_LEMOTE_A1004:
case MACH_LEMOTE_A1101:
case MACH_LEMOTE_A1201:
case MACH_LEMOTE_A1205:
case MACH_LOONGSON_3A780E1W:
/* The CPU provided serial port (CPU) */
loongson_uart_base = LOONGSON_REG_BASE + 0x1e0;
break;
}
_loongson_uart_base =
(unsigned long)ioremap_nocache(loongson_uart_base, 8);
}
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