| /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| /* |
| * Copyright (C) 2009 Lemote, Inc. |
| * Author: Wu Zhangjin <wuzhangjin@gmail.com> |
| */ |
| |
| #ifndef __ASM_MACH_LOONGSON64_MEM_H |
| #define __ASM_MACH_LOONGSON64_MEM_H |
| |
| /* |
| * high memory space |
| * |
| * in loongson2e, starts from 512M |
| * in loongson2f, starts from 2G 256M |
| */ |
| #ifdef CONFIG_CPU_LOONGSON2E |
| #define LOONGSON_HIGHMEM_START 0x20000000 |
| #else |
| #define LOONGSON_HIGHMEM_START 0x90000000 |
| #endif |
| |
| /* |
| * the peripheral registers(MMIO): |
| * |
| * On the Lemote Loongson 2e system, reside between 0x1000:0000 and 0x2000:0000. |
| * On the Lemote Loongson 2f system, reside between 0x1000:0000 and 0x8000:0000. |
| */ |
| |
| #define LOONGSON_MMIO_MEM_START 0x10000000 |
| |
| #ifdef CONFIG_CPU_LOONGSON2E |
| #define LOONGSON_MMIO_MEM_END 0x20000000 |
| #else |
| #define LOONGSON_MMIO_MEM_END 0x80000000 |
| #endif |
| |
| #endif /* __ASM_MACH_LOONGSON64_MEM_H */ |
