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Diffstat (limited to 'embeddedsw/lib/bsp/standalone/src/arm/ARMv8/64bit/xil_mmu.h')
-rw-r--r-- | embeddedsw/lib/bsp/standalone/src/arm/ARMv8/64bit/xil_mmu.h | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/embeddedsw/lib/bsp/standalone/src/arm/ARMv8/64bit/xil_mmu.h b/embeddedsw/lib/bsp/standalone/src/arm/ARMv8/64bit/xil_mmu.h new file mode 100644 index 0000000..396a0ab --- /dev/null +++ b/embeddedsw/lib/bsp/standalone/src/arm/ARMv8/64bit/xil_mmu.h @@ -0,0 +1,94 @@ +/****************************************************************************** +* Copyright (c) 2014 - 2021 Xilinx, Inc. All rights reserved. +* SPDX-License-Identifier: MIT +******************************************************************************/ + +/*****************************************************************************/ +/** +* @file xil_mmu.h +* +* @addtogroup a53_64_mmu_apis Cortex A53 64bit Processor MMU Handling +* +* MMU function equip users to modify default memory attributes of MMU table as +* per the need. +* +* @{ +* +* <pre> +* MODIFICATION HISTORY: +* +* Ver Who Date Changes +* ----- ---- -------- --------------------------------------------------- +* 5.00 pkp 05/29/14 First release +* </pre> +* +* @note +* +* None. +* +******************************************************************************/ + +#ifndef XIL_MMU_H +#define XIL_MMU_H + +#ifdef __cplusplus +extern "C" { +#endif /* __cplusplus */ + +/***************************** Include Files *********************************/ + +#include "xil_types.h" + +/***************** Macros (Inline Functions) Definitions *********************/ + +/**************************** Type Definitions *******************************/ + +/************************** Constant Definitions *****************************/ + +/** + *@cond nocomments + */ + +/* Memory type */ +#define NORM_NONCACHE 0x401UL /* Normal Non-cacheable*/ +#define STRONG_ORDERED 0x409UL /* Strongly ordered (Device-nGnRnE)*/ +#define DEVICE_MEMORY 0x40DUL /* Device memory (Device-nGnRE)*/ +#define RESERVED 0x0UL /* reserved memory*/ + +/* Normal write-through cacheable inner shareable*/ +#define NORM_WT_CACHE 0x711UL + +/* Normal write back cacheable inner-shareable */ +#define NORM_WB_CACHE 0x705UL + +/* + * shareability attribute only applicable to + * normal cacheable memory + */ +#define INNER_SHAREABLE (0x3 << 8) +#define OUTER_SHAREABLE (0x2 << 8) +#define NON_SHAREABLE (~(0x3 << 8)) + +/* Execution type */ +#define EXECUTE_NEVER ((0x1 << 53) | (0x1 << 54)) + +/* Security type */ +#define NON_SECURE (0x1 << 5) + +/************************** Variable Definitions *****************************/ + +/************************** Function Prototypes ******************************/ +/** + *@endcond + */ + +void Xil_SetTlbAttributes(UINTPTR Addr, u64 attrib); + +#ifdef __cplusplus +} +#endif /* __cplusplus */ + +#endif /* XIL_MMU_H */ +/** +* @} End of "addtogroup a53_64_mmu_apis". +*/ |