Merge tag 'iwlwifi-next-for-kalle-2014-12-30' of https://git.kernel.org/pub/scm/linux...
[cascardo/linux.git] / arch / mips / loongson / common / uart_base.c
1 /*
2  * Copyright (C) 2009 Lemote Inc.
3  * Author: Wu Zhangjin, wuzhangjin@gmail.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
16 /* raw */
17 unsigned long loongson_uart_base[MAX_UARTS] = {};
18 /* ioremapped */
19 unsigned long _loongson_uart_base[MAX_UARTS] = {};
20
21 EXPORT_SYMBOL(loongson_uart_base);
22 EXPORT_SYMBOL(_loongson_uart_base);
23
24 void prom_init_loongson_uart_base(void)
25 {
26         switch (mips_machtype) {
27         case MACH_LOONGSON_GENERIC:
28                 /* The CPU provided serial port (CPU) */
29                 loongson_uart_base[0] = LOONGSON_REG_BASE + 0x1e0;
30                 break;
31         case MACH_LEMOTE_FL2E:
32                 loongson_uart_base[0] = LOONGSON_PCIIO_BASE + 0x3f8;
33                 break;
34         case MACH_LEMOTE_FL2F:
35         case MACH_LEMOTE_LL2F:
36                 loongson_uart_base[0] = LOONGSON_PCIIO_BASE + 0x2f8;
37                 break;
38         case MACH_LEMOTE_ML2F7:
39         case MACH_LEMOTE_YL2F89:
40         case MACH_DEXXON_GDIUM2F10:
41         case MACH_LEMOTE_NAS:
42         default:
43                 /* The CPU provided serial port (LPC) */
44                 loongson_uart_base[0] = LOONGSON_LIO1_BASE + 0x3f8;
45                 break;
46         }
47
48         _loongson_uart_base[0] =
49                 (unsigned long)ioremap_nocache(loongson_uart_base[0], 8);
50 }