| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| 2 | /* |
| 3 | * Copyright (C) 2009 Lemote, Inc. |
| 4 | * Author: Wu Zhangjin <wuzhangjin@gmail.com> |
| 5 | */ |
| 6 | |
| 7 | #ifndef __ASM_MACH_LOONGSON64_MEM_H |
| 8 | #define __ASM_MACH_LOONGSON64_MEM_H |
| 9 | |
| 10 | /* |
| 11 | * high memory space |
| 12 | * |
| 13 | * in loongson2e, starts from 512M |
| 14 | * in loongson2f, starts from 2G 256M |
| 15 | */ |
| 16 | #ifdef CONFIG_CPU_LOONGSON2E |
| 17 | #define LOONGSON_HIGHMEM_START 0x20000000 |
| 18 | #else |
| 19 | #define LOONGSON_HIGHMEM_START 0x90000000 |
| 20 | #endif |
| 21 | |
| 22 | /* |
| 23 | * the peripheral registers(MMIO): |
| 24 | * |
| 25 | * On the Lemote Loongson 2e system, reside between 0x1000:0000 and 0x2000:0000. |
| 26 | * On the Lemote Loongson 2f system, reside between 0x1000:0000 and 0x8000:0000. |
| 27 | */ |
| 28 | |
| 29 | #define LOONGSON_MMIO_MEM_START 0x10000000 |
| 30 | |
| 31 | #ifdef CONFIG_CPU_LOONGSON2E |
| 32 | #define LOONGSON_MMIO_MEM_END 0x20000000 |
| 33 | #else |
| 34 | #define LOONGSON_MMIO_MEM_END 0x80000000 |
| 35 | #endif |
| 36 | |
| 37 | #endif /* __ASM_MACH_LOONGSON64_MEM_H */ |