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0001 /* SPDX-License-Identifier: GPL-2.0-or-later */ 0002 /* 0003 * Copyright (C) 2009 Lemote, Inc. 0004 * Author: Wu Zhangjin <wuzhangjin@gmail.com> 0005 */ 0006 0007 #ifndef __ASM_MACH_LOONGSON2EF_MEM_H 0008 #define __ASM_MACH_LOONGSON2EF_MEM_H 0009 0010 /* 0011 * high memory space 0012 * 0013 * in loongson2e, starts from 512M 0014 * in loongson2f, starts from 2G 256M 0015 */ 0016 #ifdef CONFIG_CPU_LOONGSON2E 0017 #define LOONGSON_HIGHMEM_START 0x20000000 0018 #else 0019 #define LOONGSON_HIGHMEM_START 0x90000000 0020 #endif 0021 0022 /* 0023 * the peripheral registers(MMIO): 0024 * 0025 * On the Lemote Loongson 2e system, reside between 0x1000:0000 and 0x2000:0000. 0026 * On the Lemote Loongson 2f system, reside between 0x1000:0000 and 0x8000:0000. 0027 */ 0028 0029 #define LOONGSON_MMIO_MEM_START 0x10000000 0030 0031 #ifdef CONFIG_CPU_LOONGSON2E 0032 #define LOONGSON_MMIO_MEM_END 0x20000000 0033 #else 0034 #define LOONGSON_MMIO_MEM_END 0x80000000 0035 #endif 0036 0037 #endif /* __ASM_MACH_LOONGSON2EF_MEM_H */
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