Jetpack/kernel/nvidia/drivers/iommu/arm-smmu-regs-t19x.h

47 lines
1.4 KiB
C

/*
* IOMMU API for ARM architected SMMU implementations.
*
* Copyright (c) 2018 NVIDIA Corporation. All rights reserved.
*
* NVIDIA Corporation and its licensors retain all intellectual property
* and proprietary rights in and to this software and related documentation
* and any modifications thereto. Any use, reproduction, disclosure or
* distribution of this software and related documentation without an express
* license agreement from NVIDIA Corporation is strictly prohibited.
*/
#ifndef _ARM_SMMU_REGS_T19X_H
#define _ARM_SMMU_REGS_T19X_H
#include "arm-smmu-regs.h"
/* SMMU global address space */
#undef ARM_SMMU_GR0
#define ARM_SMMU_GR0(smmu) ((smmu)->base[0])
#undef ARM_SMMU_GR1
#define ARM_SMMU_GR1(smmu) ((smmu)->base[0] + (1 << (smmu)->pgshift))
#undef ARM_SMMU_PME
#define ARM_SMMU_PME(smmu) ((smmu)->base[0] + (3 << (smmu)->pgshift))
/*
* SMMU global address space with conditional offset to access secure
* aliases of non-secure registers (e.g. nsCR0: 0x400, nsGFSR: 0x448,
* nsGFSYNR0: 0x450)
*/
#undef ARM_SMMU_GR0_NS
#define ARM_SMMU_GR0_NS(smmu) \
((smmu)->base[0] + \
((smmu->options & ARM_SMMU_OPT_SECURE_CFG_ACCESS) \
? 0x400 : 0))
/* Translation context bank */
#undef ARM_SMMU_CB_BASE
#define ARM_SMMU_CB_BASE(smmu) ((smmu)->base[0] + ((smmu)->size >> 1))
#undef ARM_SMMU_CB
#define ARM_SMMU_CB(smmu, n) ((n) * (1 << (smmu)->pgshift))
#endif /* _ARM_SMMU_REGS_H */