blob: 233c708fc12029fe6a4cedca86b3a023443762d8 [file] [log] [blame]
Wu Zhangjina3ed4952009-11-06 18:35:34 +08001/*
2 * Copyright (C) 2009 Lemote Inc.
3 * Author: Wu Zhangjin, wuzj@lemote.com
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License as published by the
7 * Free Software Foundation; either version 2 of the License, or (at your
8 * option) any later version.
9 */
10
11#include <linux/module.h>
12#include <asm/bootinfo.h>
13
14#include <loongson.h>
15
16unsigned long __maybe_unused _loongson_uart_base;
17EXPORT_SYMBOL(_loongson_uart_base);
18
19unsigned long __maybe_unused uart8250_base[] = {
20 [MACH_LOONGSON_UNKNOWN] 0,
21 [MACH_LEMOTE_FL2E] (LOONGSON_PCIIO_BASE + 0x3f8),
22 [MACH_LEMOTE_FL2F] (LOONGSON_PCIIO_BASE + 0x2f8),
23 [MACH_LEMOTE_ML2F7] (LOONGSON_LIO1_BASE + 0x3f8),
24 [MACH_LEMOTE_YL2F89] (LOONGSON_LIO1_BASE + 0x3f8),
25 [MACH_DEXXON_GDIUM2F10] (LOONGSON_LIO1_BASE + 0x3f8),
26 [MACH_LOONGSON_END] 0,
27};
28EXPORT_SYMBOL(uart8250_base);
29
30void __maybe_unused prom_init_uart_base(void)
31{
32 _loongson_uart_base =
33 (unsigned long)ioremap_nocache(uart8250_base[mips_machtype], 8);
34}