1e85e335fSMax Filippov /* 2e85e335fSMax Filippov * arch/xtensa/include/asm/xchal_vaddr_remap.h 3e85e335fSMax Filippov * 4e85e335fSMax Filippov * Xtensa macros for MMU V3 Support. Deals with re-mapping the Virtual 5e85e335fSMax Filippov * Memory Addresses from "Virtual == Physical" to their prevvious V2 MMU 6e85e335fSMax Filippov * mappings (KSEG at 0xD0000000 and KIO at 0XF0000000). 7e85e335fSMax Filippov * 8e85e335fSMax Filippov * This file is subject to the terms and conditions of the GNU General Public 9e85e335fSMax Filippov * License. See the file "COPYING" in the main directory of this archive 10e85e335fSMax Filippov * for more details. 11e85e335fSMax Filippov * 12e85e335fSMax Filippov * Copyright (C) 2008 - 2012 Tensilica Inc. 13e85e335fSMax Filippov * 14e85e335fSMax Filippov * Pete Delaney <piet@tensilica.com> 15e85e335fSMax Filippov * Marc Gauthier <marc@tensilica.com 16e85e335fSMax Filippov */ 17e85e335fSMax Filippov 18e85e335fSMax Filippov #ifndef _XTENSA_VECTORS_H 19e85e335fSMax Filippov #define _XTENSA_VECTORS_H 20e85e335fSMax Filippov 218f8d5745SMax Filippov #include <asm/core.h> 22f1883aa7SMax Filippov #include <asm/kmem_layout.h> 23e85e335fSMax Filippov 246591685dSMax Filippov #if defined(CONFIG_MMU) && XCHAL_HAVE_PTP_MMU && XCHAL_HAVE_SPANNING_WAY 257af710d9SMax Filippov #ifdef CONFIG_KERNEL_VIRTUAL_ADDRESS 267af710d9SMax Filippov #define KERNELOFFSET CONFIG_KERNEL_VIRTUAL_ADDRESS 277af710d9SMax Filippov #else 286591685dSMax Filippov #define KERNELOFFSET (CONFIG_KERNEL_LOAD_ADDRESS + \ 296591685dSMax Filippov XCHAL_KSEG_CACHED_VADDR - \ 30a9f2fc62SMax Filippov XCHAL_KSEG_PADDR) 317af710d9SMax Filippov #endif 32e85e335fSMax Filippov #else 33a9f2fc62SMax Filippov #define KERNELOFFSET CONFIG_KERNEL_LOAD_ADDRESS 34e85e335fSMax Filippov #endif 35e85e335fSMax Filippov 36a9f2fc62SMax Filippov #define RESET_VECTOR1_VADDR (XCHAL_RESET_VECTOR1_VADDR) 37*5e4417f9SMax Filippov #ifdef CONFIG_VECTORS_ADDR 38*5e4417f9SMax Filippov #define VECBASE_VADDR (CONFIG_VECTORS_ADDR) 39b46dcfa3SMax Filippov #else 40b46dcfa3SMax Filippov #define VECBASE_VADDR _vecbase 41b46dcfa3SMax Filippov #endif 42e85e335fSMax Filippov 43a922b156SMax Filippov #if XCHAL_HAVE_VECBASE 44e85e335fSMax Filippov 45a9f2fc62SMax Filippov #define VECTOR_VADDR(offset) (VECBASE_VADDR + offset) 46e85e335fSMax Filippov 47a9f2fc62SMax Filippov #define USER_VECTOR_VADDR VECTOR_VADDR(XCHAL_USER_VECOFS) 48a9f2fc62SMax Filippov #define KERNEL_VECTOR_VADDR VECTOR_VADDR(XCHAL_KERNEL_VECOFS) 49a9f2fc62SMax Filippov #define DOUBLEEXC_VECTOR_VADDR VECTOR_VADDR(XCHAL_DOUBLEEXC_VECOFS) 50a9f2fc62SMax Filippov #define WINDOW_VECTORS_VADDR VECTOR_VADDR(XCHAL_WINDOW_OF4_VECOFS) 51a9f2fc62SMax Filippov #define INTLEVEL2_VECTOR_VADDR VECTOR_VADDR(XCHAL_INTLEVEL2_VECOFS) 52a9f2fc62SMax Filippov #define INTLEVEL3_VECTOR_VADDR VECTOR_VADDR(XCHAL_INTLEVEL3_VECOFS) 53a9f2fc62SMax Filippov #define INTLEVEL4_VECTOR_VADDR VECTOR_VADDR(XCHAL_INTLEVEL4_VECOFS) 54a9f2fc62SMax Filippov #define INTLEVEL5_VECTOR_VADDR VECTOR_VADDR(XCHAL_INTLEVEL5_VECOFS) 55a9f2fc62SMax Filippov #define INTLEVEL6_VECTOR_VADDR VECTOR_VADDR(XCHAL_INTLEVEL6_VECOFS) 56a9f2fc62SMax Filippov #define INTLEVEL7_VECTOR_VADDR VECTOR_VADDR(XCHAL_INTLEVEL7_VECOFS) 57a9f2fc62SMax Filippov #define DEBUG_VECTOR_VADDR VECTOR_VADDR(XCHAL_DEBUG_VECOFS) 58e85e335fSMax Filippov 59e85e335fSMax Filippov /* 60e85e335fSMax Filippov * These XCHAL_* #defines from varian/core.h 61e85e335fSMax Filippov * are not valid to use with V3 MMU. Non-XCHAL 62e85e335fSMax Filippov * constants are defined above and should be used. 63e85e335fSMax Filippov */ 64e85e335fSMax Filippov #undef XCHAL_VECBASE_RESET_VADDR 65e85e335fSMax Filippov #undef XCHAL_USER_VECTOR_VADDR 66e85e335fSMax Filippov #undef XCHAL_KERNEL_VECTOR_VADDR 67e85e335fSMax Filippov #undef XCHAL_DOUBLEEXC_VECTOR_VADDR 68e85e335fSMax Filippov #undef XCHAL_WINDOW_VECTORS_VADDR 69e85e335fSMax Filippov #undef XCHAL_INTLEVEL2_VECTOR_VADDR 70e85e335fSMax Filippov #undef XCHAL_INTLEVEL3_VECTOR_VADDR 71e85e335fSMax Filippov #undef XCHAL_INTLEVEL4_VECTOR_VADDR 72e85e335fSMax Filippov #undef XCHAL_INTLEVEL5_VECTOR_VADDR 73e85e335fSMax Filippov #undef XCHAL_INTLEVEL6_VECTOR_VADDR 74e85e335fSMax Filippov #undef XCHAL_INTLEVEL7_VECTOR_VADDR 75a9f2fc62SMax Filippov #undef XCHAL_DEBUG_VECTOR_VADDR 76e85e335fSMax Filippov 77e85e335fSMax Filippov #else 78e85e335fSMax Filippov 79e85e335fSMax Filippov #define USER_VECTOR_VADDR XCHAL_USER_VECTOR_VADDR 80e85e335fSMax Filippov #define KERNEL_VECTOR_VADDR XCHAL_KERNEL_VECTOR_VADDR 81e85e335fSMax Filippov #define DOUBLEEXC_VECTOR_VADDR XCHAL_DOUBLEEXC_VECTOR_VADDR 82e85e335fSMax Filippov #define WINDOW_VECTORS_VADDR XCHAL_WINDOW_VECTORS_VADDR 83e85e335fSMax Filippov #define INTLEVEL2_VECTOR_VADDR XCHAL_INTLEVEL2_VECTOR_VADDR 84e85e335fSMax Filippov #define INTLEVEL3_VECTOR_VADDR XCHAL_INTLEVEL3_VECTOR_VADDR 85e85e335fSMax Filippov #define INTLEVEL4_VECTOR_VADDR XCHAL_INTLEVEL4_VECTOR_VADDR 86e85e335fSMax Filippov #define INTLEVEL5_VECTOR_VADDR XCHAL_INTLEVEL5_VECTOR_VADDR 87e85e335fSMax Filippov #define INTLEVEL6_VECTOR_VADDR XCHAL_INTLEVEL6_VECTOR_VADDR 88a9f2fc62SMax Filippov #define INTLEVEL7_VECTOR_VADDR XCHAL_INTLEVEL6_VECTOR_VADDR 89e85e335fSMax Filippov #define DEBUG_VECTOR_VADDR XCHAL_DEBUG_VECTOR_VADDR 90e85e335fSMax Filippov 91e85e335fSMax Filippov #endif 92e85e335fSMax Filippov 93e85e335fSMax Filippov #endif /* _XTENSA_VECTORS_H */ 94