mirror of
https://github.com/torvalds/linux.git
synced 2024-12-30 14:52:05 +00:00
2b03774bae
I want to re-use some of these for qcom_iommu, which has (roughly) the same context-bank registers. Signed-off-by: Rob Clark <robdclark@gmail.com> Acked-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Joerg Roedel <jroedel@suse.de>
221 lines
6.3 KiB
C
221 lines
6.3 KiB
C
/*
|
|
* IOMMU API for ARM architected SMMU implementations.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
*
|
|
* Copyright (C) 2013 ARM Limited
|
|
*
|
|
* Author: Will Deacon <will.deacon@arm.com>
|
|
*/
|
|
|
|
#ifndef _ARM_SMMU_REGS_H
|
|
#define _ARM_SMMU_REGS_H
|
|
|
|
/* Configuration registers */
|
|
#define ARM_SMMU_GR0_sCR0 0x0
|
|
#define sCR0_CLIENTPD (1 << 0)
|
|
#define sCR0_GFRE (1 << 1)
|
|
#define sCR0_GFIE (1 << 2)
|
|
#define sCR0_EXIDENABLE (1 << 3)
|
|
#define sCR0_GCFGFRE (1 << 4)
|
|
#define sCR0_GCFGFIE (1 << 5)
|
|
#define sCR0_USFCFG (1 << 10)
|
|
#define sCR0_VMIDPNE (1 << 11)
|
|
#define sCR0_PTM (1 << 12)
|
|
#define sCR0_FB (1 << 13)
|
|
#define sCR0_VMID16EN (1 << 31)
|
|
#define sCR0_BSU_SHIFT 14
|
|
#define sCR0_BSU_MASK 0x3
|
|
|
|
/* Auxiliary Configuration register */
|
|
#define ARM_SMMU_GR0_sACR 0x10
|
|
|
|
/* Identification registers */
|
|
#define ARM_SMMU_GR0_ID0 0x20
|
|
#define ARM_SMMU_GR0_ID1 0x24
|
|
#define ARM_SMMU_GR0_ID2 0x28
|
|
#define ARM_SMMU_GR0_ID3 0x2c
|
|
#define ARM_SMMU_GR0_ID4 0x30
|
|
#define ARM_SMMU_GR0_ID5 0x34
|
|
#define ARM_SMMU_GR0_ID6 0x38
|
|
#define ARM_SMMU_GR0_ID7 0x3c
|
|
#define ARM_SMMU_GR0_sGFSR 0x48
|
|
#define ARM_SMMU_GR0_sGFSYNR0 0x50
|
|
#define ARM_SMMU_GR0_sGFSYNR1 0x54
|
|
#define ARM_SMMU_GR0_sGFSYNR2 0x58
|
|
|
|
#define ID0_S1TS (1 << 30)
|
|
#define ID0_S2TS (1 << 29)
|
|
#define ID0_NTS (1 << 28)
|
|
#define ID0_SMS (1 << 27)
|
|
#define ID0_ATOSNS (1 << 26)
|
|
#define ID0_PTFS_NO_AARCH32 (1 << 25)
|
|
#define ID0_PTFS_NO_AARCH32S (1 << 24)
|
|
#define ID0_CTTW (1 << 14)
|
|
#define ID0_NUMIRPT_SHIFT 16
|
|
#define ID0_NUMIRPT_MASK 0xff
|
|
#define ID0_NUMSIDB_SHIFT 9
|
|
#define ID0_NUMSIDB_MASK 0xf
|
|
#define ID0_EXIDS (1 << 8)
|
|
#define ID0_NUMSMRG_SHIFT 0
|
|
#define ID0_NUMSMRG_MASK 0xff
|
|
|
|
#define ID1_PAGESIZE (1 << 31)
|
|
#define ID1_NUMPAGENDXB_SHIFT 28
|
|
#define ID1_NUMPAGENDXB_MASK 7
|
|
#define ID1_NUMS2CB_SHIFT 16
|
|
#define ID1_NUMS2CB_MASK 0xff
|
|
#define ID1_NUMCB_SHIFT 0
|
|
#define ID1_NUMCB_MASK 0xff
|
|
|
|
#define ID2_OAS_SHIFT 4
|
|
#define ID2_OAS_MASK 0xf
|
|
#define ID2_IAS_SHIFT 0
|
|
#define ID2_IAS_MASK 0xf
|
|
#define ID2_UBS_SHIFT 8
|
|
#define ID2_UBS_MASK 0xf
|
|
#define ID2_PTFS_4K (1 << 12)
|
|
#define ID2_PTFS_16K (1 << 13)
|
|
#define ID2_PTFS_64K (1 << 14)
|
|
#define ID2_VMID16 (1 << 15)
|
|
|
|
#define ID7_MAJOR_SHIFT 4
|
|
#define ID7_MAJOR_MASK 0xf
|
|
|
|
/* Global TLB invalidation */
|
|
#define ARM_SMMU_GR0_TLBIVMID 0x64
|
|
#define ARM_SMMU_GR0_TLBIALLNSNH 0x68
|
|
#define ARM_SMMU_GR0_TLBIALLH 0x6c
|
|
#define ARM_SMMU_GR0_sTLBGSYNC 0x70
|
|
#define ARM_SMMU_GR0_sTLBGSTATUS 0x74
|
|
#define sTLBGSTATUS_GSACTIVE (1 << 0)
|
|
|
|
/* Stream mapping registers */
|
|
#define ARM_SMMU_GR0_SMR(n) (0x800 + ((n) << 2))
|
|
#define SMR_VALID (1 << 31)
|
|
#define SMR_MASK_SHIFT 16
|
|
#define SMR_ID_SHIFT 0
|
|
|
|
#define ARM_SMMU_GR0_S2CR(n) (0xc00 + ((n) << 2))
|
|
#define S2CR_CBNDX_SHIFT 0
|
|
#define S2CR_CBNDX_MASK 0xff
|
|
#define S2CR_EXIDVALID (1 << 10)
|
|
#define S2CR_TYPE_SHIFT 16
|
|
#define S2CR_TYPE_MASK 0x3
|
|
enum arm_smmu_s2cr_type {
|
|
S2CR_TYPE_TRANS,
|
|
S2CR_TYPE_BYPASS,
|
|
S2CR_TYPE_FAULT,
|
|
};
|
|
|
|
#define S2CR_PRIVCFG_SHIFT 24
|
|
#define S2CR_PRIVCFG_MASK 0x3
|
|
enum arm_smmu_s2cr_privcfg {
|
|
S2CR_PRIVCFG_DEFAULT,
|
|
S2CR_PRIVCFG_DIPAN,
|
|
S2CR_PRIVCFG_UNPRIV,
|
|
S2CR_PRIVCFG_PRIV,
|
|
};
|
|
|
|
/* Context bank attribute registers */
|
|
#define ARM_SMMU_GR1_CBAR(n) (0x0 + ((n) << 2))
|
|
#define CBAR_VMID_SHIFT 0
|
|
#define CBAR_VMID_MASK 0xff
|
|
#define CBAR_S1_BPSHCFG_SHIFT 8
|
|
#define CBAR_S1_BPSHCFG_MASK 3
|
|
#define CBAR_S1_BPSHCFG_NSH 3
|
|
#define CBAR_S1_MEMATTR_SHIFT 12
|
|
#define CBAR_S1_MEMATTR_MASK 0xf
|
|
#define CBAR_S1_MEMATTR_WB 0xf
|
|
#define CBAR_TYPE_SHIFT 16
|
|
#define CBAR_TYPE_MASK 0x3
|
|
#define CBAR_TYPE_S2_TRANS (0 << CBAR_TYPE_SHIFT)
|
|
#define CBAR_TYPE_S1_TRANS_S2_BYPASS (1 << CBAR_TYPE_SHIFT)
|
|
#define CBAR_TYPE_S1_TRANS_S2_FAULT (2 << CBAR_TYPE_SHIFT)
|
|
#define CBAR_TYPE_S1_TRANS_S2_TRANS (3 << CBAR_TYPE_SHIFT)
|
|
#define CBAR_IRPTNDX_SHIFT 24
|
|
#define CBAR_IRPTNDX_MASK 0xff
|
|
|
|
#define ARM_SMMU_GR1_CBA2R(n) (0x800 + ((n) << 2))
|
|
#define CBA2R_RW64_32BIT (0 << 0)
|
|
#define CBA2R_RW64_64BIT (1 << 0)
|
|
#define CBA2R_VMID_SHIFT 16
|
|
#define CBA2R_VMID_MASK 0xffff
|
|
|
|
#define ARM_SMMU_CB_SCTLR 0x0
|
|
#define ARM_SMMU_CB_ACTLR 0x4
|
|
#define ARM_SMMU_CB_RESUME 0x8
|
|
#define ARM_SMMU_CB_TTBCR2 0x10
|
|
#define ARM_SMMU_CB_TTBR0 0x20
|
|
#define ARM_SMMU_CB_TTBR1 0x28
|
|
#define ARM_SMMU_CB_TTBCR 0x30
|
|
#define ARM_SMMU_CB_CONTEXTIDR 0x34
|
|
#define ARM_SMMU_CB_S1_MAIR0 0x38
|
|
#define ARM_SMMU_CB_S1_MAIR1 0x3c
|
|
#define ARM_SMMU_CB_PAR 0x50
|
|
#define ARM_SMMU_CB_FSR 0x58
|
|
#define ARM_SMMU_CB_FAR 0x60
|
|
#define ARM_SMMU_CB_FSYNR0 0x68
|
|
#define ARM_SMMU_CB_S1_TLBIVA 0x600
|
|
#define ARM_SMMU_CB_S1_TLBIASID 0x610
|
|
#define ARM_SMMU_CB_S1_TLBIVAL 0x620
|
|
#define ARM_SMMU_CB_S2_TLBIIPAS2 0x630
|
|
#define ARM_SMMU_CB_S2_TLBIIPAS2L 0x638
|
|
#define ARM_SMMU_CB_TLBSYNC 0x7f0
|
|
#define ARM_SMMU_CB_TLBSTATUS 0x7f4
|
|
#define ARM_SMMU_CB_ATS1PR 0x800
|
|
#define ARM_SMMU_CB_ATSR 0x8f0
|
|
|
|
#define SCTLR_S1_ASIDPNE (1 << 12)
|
|
#define SCTLR_CFCFG (1 << 7)
|
|
#define SCTLR_CFIE (1 << 6)
|
|
#define SCTLR_CFRE (1 << 5)
|
|
#define SCTLR_E (1 << 4)
|
|
#define SCTLR_AFE (1 << 2)
|
|
#define SCTLR_TRE (1 << 1)
|
|
#define SCTLR_M (1 << 0)
|
|
|
|
#define CB_PAR_F (1 << 0)
|
|
|
|
#define ATSR_ACTIVE (1 << 0)
|
|
|
|
#define RESUME_RETRY (0 << 0)
|
|
#define RESUME_TERMINATE (1 << 0)
|
|
|
|
#define TTBCR2_SEP_SHIFT 15
|
|
#define TTBCR2_SEP_UPSTREAM (0x7 << TTBCR2_SEP_SHIFT)
|
|
#define TTBCR2_AS (1 << 4)
|
|
|
|
#define TTBRn_ASID_SHIFT 48
|
|
|
|
#define FSR_MULTI (1 << 31)
|
|
#define FSR_SS (1 << 30)
|
|
#define FSR_UUT (1 << 8)
|
|
#define FSR_ASF (1 << 7)
|
|
#define FSR_TLBLKF (1 << 6)
|
|
#define FSR_TLBMCF (1 << 5)
|
|
#define FSR_EF (1 << 4)
|
|
#define FSR_PF (1 << 3)
|
|
#define FSR_AFF (1 << 2)
|
|
#define FSR_TF (1 << 1)
|
|
|
|
#define FSR_IGN (FSR_AFF | FSR_ASF | \
|
|
FSR_TLBMCF | FSR_TLBLKF)
|
|
#define FSR_FAULT (FSR_MULTI | FSR_SS | FSR_UUT | \
|
|
FSR_EF | FSR_PF | FSR_TF | FSR_IGN)
|
|
|
|
#define FSYNR0_WNR (1 << 4)
|
|
|
|
#endif /* _ARM_SMMU_REGS_H */
|