1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-or-later */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Copyright (C) 2009 Lemote, Inc. 4*4882a593Smuzhiyun * Author: Wu Zhangjin <wuzhangjin@gmail.com> 5*4882a593Smuzhiyun */ 6*4882a593Smuzhiyun 7*4882a593Smuzhiyun #ifndef __ASM_MACH_LOONGSON2EF_MEM_H 8*4882a593Smuzhiyun #define __ASM_MACH_LOONGSON2EF_MEM_H 9*4882a593Smuzhiyun 10*4882a593Smuzhiyun /* 11*4882a593Smuzhiyun * high memory space 12*4882a593Smuzhiyun * 13*4882a593Smuzhiyun * in loongson2e, starts from 512M 14*4882a593Smuzhiyun * in loongson2f, starts from 2G 256M 15*4882a593Smuzhiyun */ 16*4882a593Smuzhiyun #ifdef CONFIG_CPU_LOONGSON2E 17*4882a593Smuzhiyun #define LOONGSON_HIGHMEM_START 0x20000000 18*4882a593Smuzhiyun #else 19*4882a593Smuzhiyun #define LOONGSON_HIGHMEM_START 0x90000000 20*4882a593Smuzhiyun #endif 21*4882a593Smuzhiyun 22*4882a593Smuzhiyun /* 23*4882a593Smuzhiyun * the peripheral registers(MMIO): 24*4882a593Smuzhiyun * 25*4882a593Smuzhiyun * On the Lemote Loongson 2e system, reside between 0x1000:0000 and 0x2000:0000. 26*4882a593Smuzhiyun * On the Lemote Loongson 2f system, reside between 0x1000:0000 and 0x8000:0000. 27*4882a593Smuzhiyun */ 28*4882a593Smuzhiyun 29*4882a593Smuzhiyun #define LOONGSON_MMIO_MEM_START 0x10000000 30*4882a593Smuzhiyun 31*4882a593Smuzhiyun #ifdef CONFIG_CPU_LOONGSON2E 32*4882a593Smuzhiyun #define LOONGSON_MMIO_MEM_END 0x20000000 33*4882a593Smuzhiyun #else 34*4882a593Smuzhiyun #define LOONGSON_MMIO_MEM_END 0x80000000 35*4882a593Smuzhiyun #endif 36*4882a593Smuzhiyun 37*4882a593Smuzhiyun #endif /* __ASM_MACH_LOONGSON2EF_MEM_H */ 38