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a3ed4951 WZ |
1 | /* |
2 | * Copyright (C) 2009 Lemote Inc. | |
f7a904df | 3 | * Author: Wu Zhangjin, wuzhangjin@gmail.com |
a3ed4951 | 4 | * |
70342287 RB |
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 | |
a3ed4951 WZ |
7 | * Free Software Foundation; either version 2 of the License, or (at your |
8 | * option) any later version. | |
9 | */ | |
10 | ||
26dd3e4f | 11 | #include <linux/export.h> |
a3ed4951 WZ |
12 | #include <asm/bootinfo.h> |
13 | ||
14 | #include <loongson.h> | |
15 | ||
c3d8d850 | 16 | /* raw */ |
3adeb256 HC |
17 | unsigned long loongson_uart_base[MAX_UARTS] = {}; |
18 | /* ioremapped */ | |
19 | unsigned long _loongson_uart_base[MAX_UARTS] = {}; | |
20 | ||
c3d8d850 | 21 | EXPORT_SYMBOL(loongson_uart_base); |
3adeb256 | 22 | EXPORT_SYMBOL(_loongson_uart_base); |
a3ed4951 | 23 | |
c3d8d850 | 24 | void prom_init_loongson_uart_base(void) |
a3ed4951 | 25 | { |
c3d8d850 | 26 | switch (mips_machtype) { |
3adeb256 HC |
27 | case MACH_LOONGSON_GENERIC: |
28 | /* The CPU provided serial port (CPU) */ | |
29 | loongson_uart_base[0] = LOONGSON_REG_BASE + 0x1e0; | |
30 | break; | |
c3d8d850 | 31 | case MACH_LEMOTE_FL2E: |
3adeb256 | 32 | loongson_uart_base[0] = LOONGSON_PCIIO_BASE + 0x3f8; |
c3d8d850 WZ |
33 | break; |
34 | case MACH_LEMOTE_FL2F: | |
35 | case MACH_LEMOTE_LL2F: | |
3adeb256 | 36 | loongson_uart_base[0] = LOONGSON_PCIIO_BASE + 0x2f8; |
c3d8d850 WZ |
37 | break; |
38 | case MACH_LEMOTE_ML2F7: | |
39 | case MACH_LEMOTE_YL2F89: | |
40 | case MACH_DEXXON_GDIUM2F10: | |
41 | case MACH_LEMOTE_NAS: | |
42 | default: | |
7546d2f4 | 43 | /* The CPU provided serial port (LPC) */ |
3adeb256 | 44 | loongson_uart_base[0] = LOONGSON_LIO1_BASE + 0x3f8; |
7546d2f4 | 45 | break; |
c3d8d850 WZ |
46 | } |
47 | ||
3adeb256 HC |
48 | _loongson_uart_base[0] = |
49 | (unsigned long)ioremap_nocache(loongson_uart_base[0], 8); | |
a3ed4951 | 50 | } |