Re: [RESEND PATCH 2/4] iommu: arm-smmu: split out register defines

2017-08-10 Thread Will Deacon
On Wed, Aug 09, 2017 at 10:43:03AM -0400, Rob Clark wrote:
> I want to re-use some of these for qcom_iommu, which has (roughly) the
> same context-bank registers.
> 
> Signed-off-by: Rob Clark 
> ---
>  drivers/iommu/arm-smmu-regs.h | 220 
> ++
>  drivers/iommu/arm-smmu.c  | 211 ++--
>  2 files changed, 229 insertions(+), 202 deletions(-)
>  create mode 100644 drivers/iommu/arm-smmu-regs.h

This looks like a reasonable split, thanks:

Acked-by: Will Deacon 

Will
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[RESEND PATCH 2/4] iommu: arm-smmu: split out register defines

2017-08-09 Thread Rob Clark
I want to re-use some of these for qcom_iommu, which has (roughly) the
same context-bank registers.

Signed-off-by: Rob Clark 
---
 drivers/iommu/arm-smmu-regs.h | 220 ++
 drivers/iommu/arm-smmu.c  | 211 ++--
 2 files changed, 229 insertions(+), 202 deletions(-)
 create mode 100644 drivers/iommu/arm-smmu-regs.h

diff --git a/drivers/iommu/arm-smmu-regs.h b/drivers/iommu/arm-smmu-regs.h
new file mode 100644
index ..a1226e4ab5f8
--- /dev/null
+++ b/drivers/iommu/arm-smmu-regs.h
@@ -0,0 +1,220 @@
+/*
+ * 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 
+ */
+
+#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_SHIFT0
+#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_SHIFT4
+#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

Re: [RESEND PATCH 2/4] iommu: arm-smmu: split out register defines

2017-07-14 Thread Will Deacon
On Thu, Jul 13, 2017 at 08:07:45AM -0400, Rob Clark wrote:
> I want to re-use some of these for qcom_iommu, which has (roughly) the
> same context-bank registers.
> 
> Signed-off-by: Rob Clark 
> ---
>  drivers/iommu/arm-smmu-regs.h | 227 
> ++
>  drivers/iommu/arm-smmu.c  | 203 +
>  2 files changed, 228 insertions(+), 202 deletions(-)
>  create mode 100644 drivers/iommu/arm-smmu-regs.h
> 
> diff --git a/drivers/iommu/arm-smmu-regs.h b/drivers/iommu/arm-smmu-regs.h
> new file mode 100644
> index ..87589c863068
> --- /dev/null
> +++ b/drivers/iommu/arm-smmu-regs.h
> @@ -0,0 +1,227 @@
> +/*
> + * 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 
> + */
> +
> +#ifndef _ARM_SMMU_REGS_H
> +#define _ARM_SMMU_REGS_H

[...]

> +/* Global TLB invalidation */
> +#define ARM_SMMU_GR0_TLBIVMID0x64
> +#define ARM_SMMU_GR0_TLBIALLNSNH 0x68
> +#define ARM_SMMU_GR0_TLBIALLH0x6c
> +#define ARM_SMMU_GR0_sTLBGSYNC   0x70
> +#define ARM_SMMU_GR0_sTLBGSTATUS 0x74
> +#define sTLBGSTATUS_GSACTIVE (1 << 0)
> +#define TLB_LOOP_TIMEOUT 100 /* 1s! */
> +#define TLB_SPIN_COUNT   10

Do you need these TLB defines? They're not part of the architected register
state.

> +#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 ARM_MMU500_ACTLR_CPRE(1 << 1)
> +
> +#define ARM_MMU500_ACR_CACHE_LOCK(1 << 26)
> +#define ARM_MMU500_ACR_SMTNMB_TLBEN  (1 << 8)

The MMU-500 defines can probably stay in arm-smmu.c.

Will
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[RESEND PATCH 2/4] iommu: arm-smmu: split out register defines

2017-07-13 Thread Rob Clark
I want to re-use some of these for qcom_iommu, which has (roughly) the
same context-bank registers.

Signed-off-by: Rob Clark 
---
 drivers/iommu/arm-smmu-regs.h | 227 ++
 drivers/iommu/arm-smmu.c  | 203 +
 2 files changed, 228 insertions(+), 202 deletions(-)
 create mode 100644 drivers/iommu/arm-smmu-regs.h

diff --git a/drivers/iommu/arm-smmu-regs.h b/drivers/iommu/arm-smmu-regs.h
new file mode 100644
index ..87589c863068
--- /dev/null
+++ b/drivers/iommu/arm-smmu-regs.h
@@ -0,0 +1,227 @@
+/*
+ * 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 
+ */
+
+#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_SHIFT0
+#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_SHIFT4
+#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)
+#define TLB_LOOP_TIMEOUT   100 /* 1s! */
+#define TLB_SPIN_COUNT 10
+
+/* Stream mapping registers */
+#define ARM_SMMU_GR0_SMR(n)(0x800 + ((n) << 2))
+#define SMR_VALID  (1 << 31)
+#define SMR_MASK

[RESEND PATCH 2/4] iommu: arm-smmu: split out register defines

2017-06-21 Thread Rob Clark
I want to re-use some of these for qcom_iommu, which has (roughly) the
same context-bank registers.

Signed-off-by: Rob Clark 
---
 drivers/iommu/arm-smmu-regs.h | 227 ++
 drivers/iommu/arm-smmu.c  | 203 +
 2 files changed, 228 insertions(+), 202 deletions(-)
 create mode 100644 drivers/iommu/arm-smmu-regs.h

diff --git a/drivers/iommu/arm-smmu-regs.h b/drivers/iommu/arm-smmu-regs.h
new file mode 100644
index 000..87589c8
--- /dev/null
+++ b/drivers/iommu/arm-smmu-regs.h
@@ -0,0 +1,227 @@
+/*
+ * 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 
+ */
+
+#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_SHIFT0
+#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_SHIFT4
+#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)
+#define TLB_LOOP_TIMEOUT   100 /* 1s! */
+#define TLB_SPIN_COUNT 10
+
+/* Stream mapping registers */
+#define ARM_SMMU_GR0_SMR(n)(0x800 + ((n) << 2))
+#define SMR_VALID  (1 << 31)
+#define SMR_MASK_SHIFT