2024-09-09 08:52:07 +00:00
|
|
|
/*
|
|
|
|
|
* Copyright (C) 2009 Lemote Inc.
|
|
|
|
|
* Author: Wu Zhangjin, wuzhangjin@gmail.com
|
|
|
|
|
*
|
2024-09-09 08:57:42 +00:00
|
|
|
* 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
|
2024-09-09 08:52:07 +00:00
|
|
|
* 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:
|
2024-09-09 08:57:42 +00:00
|
|
|
/* The CPU provided serial port (LPC) */
|
2024-09-09 08:52:07 +00:00
|
|
|
loongson_uart_base = LOONGSON_LIO1_BASE + 0x3f8;
|
|
|
|
|
break;
|
2024-09-09 08:57:42 +00:00
|
|
|
case MACH_LEMOTE_A1004:
|
|
|
|
|
case MACH_LEMOTE_A1101:
|
|
|
|
|
case MACH_LEMOTE_A1201:
|
|
|
|
|
case MACH_LEMOTE_A1205:
|
|
|
|
|
/* The CPU provided serial port (CPU) */
|
|
|
|
|
loongson_uart_base = LOONGSON_REG_BASE + 0x1e0;
|
|
|
|
|
break;
|
2024-09-09 08:52:07 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
_loongson_uart_base =
|
|
|
|
|
(unsigned long)ioremap_nocache(loongson_uart_base, 8);
|
|
|
|
|
}
|
