projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| a3ed4951 WZ |
1 | /* |
| 2 | * Copyright (C) 2009 Lemote Inc. | |
| f7a904df | 3 | * Author: Wu Zhangjin, wuzhangjin@gmail.com |
| a3ed4951 WZ |
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 | ||
| c3d8d850 WZ |
16 | /* ioremapped */ |
| 17 | unsigned long _loongson_uart_base; | |
| a3ed4951 | 18 | EXPORT_SYMBOL(_loongson_uart_base); |
| c3d8d850 WZ |
19 | /* raw */ |
| 20 | unsigned long loongson_uart_base; | |
| 21 | EXPORT_SYMBOL(loongson_uart_base); | |
| a3ed4951 | 22 | |
| c3d8d850 | 23 | void prom_init_loongson_uart_base(void) |
| a3ed4951 | 24 | { |
| c3d8d850 WZ |
25 | switch (mips_machtype) { |
| 26 | case MACH_LEMOTE_FL2E: | |
| 27 | loongson_uart_base = LOONGSON_PCIIO_BASE + 0x3f8; | |
| 28 | break; | |
| 29 | case MACH_LEMOTE_FL2F: | |
| 30 | case MACH_LEMOTE_LL2F: | |
| 31 | loongson_uart_base = LOONGSON_PCIIO_BASE + 0x2f8; | |
| 32 | break; | |
| 33 | case MACH_LEMOTE_ML2F7: | |
| 34 | case MACH_LEMOTE_YL2F89: | |
| 35 | case MACH_DEXXON_GDIUM2F10: | |
| 36 | case MACH_LEMOTE_NAS: | |
| 37 | default: | |
| 38 | /* The CPU provided serial port */ | |
| 39 | loongson_uart_base = LOONGSON_LIO1_BASE + 0x3f8; | |
| 40 | break; | |
| 41 | } | |
| 42 | ||
| a3ed4951 | 43 | _loongson_uart_base = |
| c3d8d850 | 44 | (unsigned long)ioremap_nocache(loongson_uart_base, 8); |
| a3ed4951 | 45 | } |