diff options
Diffstat (limited to 'arch/mips/include/asm/mach-loongson/mem.h')
| -rw-r--r-- | arch/mips/include/asm/mach-loongson/mem.h | 27 |
1 files changed, 19 insertions, 8 deletions
diff --git a/arch/mips/include/asm/mach-loongson/mem.h b/arch/mips/include/asm/mach-loongson/mem.h index bd7b3cba7e35..e9960f341b96 100644 --- a/arch/mips/include/asm/mach-loongson/mem.h +++ b/arch/mips/include/asm/mach-loongson/mem.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2009 Lemote, Inc. & Institute of Computing Technology + * Copyright (C) 2009 Lemote, Inc. * Author: Wu Zhangjin <wuzj@lemote.com> * * This program is free software; you can redistribute it and/or modify it @@ -12,19 +12,30 @@ #define __ASM_MACH_LOONGSON_MEM_H /* - * On Lemote Loongson 2e + * high memory space * - * the high memory space starts from 512M. - * the peripheral registers reside between 0x1000:0000 and 0x2000:0000. + * 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 -#ifdef CONFIG_LEMOTE_FULOONG2E - -#define LOONGSON_HIGHMEM_START 0x20000000 +/* + * 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 -#define LOONGSON_MMIO_MEM_END 0x20000000 +#ifdef CONFIG_CPU_LOONGSON2E +#define LOONGSON_MMIO_MEM_END 0x20000000 +#else +#define LOONGSON_MMIO_MEM_END 0x80000000 #endif #endif /* __ASM_MACH_LOONGSON_MEM_H */ |