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-rw-r--r--drivers/iommu/arm-smmu-v3.c41
-rw-r--r--drivers/iommu/arm-smmu.c7
-rw-r--r--drivers/iommu/arm-smmu.h28
-rw-r--r--drivers/iommu/io-pgtable-arm-v7s.c6
-rw-r--r--drivers/iommu/io-pgtable-arm.c98
-rw-r--r--drivers/iommu/io-pgtable.c2
-rw-r--r--drivers/iommu/qcom_iommu.c8
-rw-r--r--include/linux/io-pgtable.h9
8 files changed, 95 insertions, 104 deletions
diff --git a/drivers/iommu/arm-smmu-v3.c b/drivers/iommu/arm-smmu-v3.c
index cf2ae065a6c2..d127974afdb7 100644
--- a/drivers/iommu/arm-smmu-v3.c
+++ b/drivers/iommu/arm-smmu-v3.c
@@ -260,27 +260,18 @@
 /* Context descriptor (stage-1 only) */
 #define CTXDESC_CD_DWORDS		8
 #define CTXDESC_CD_0_TCR_T0SZ		GENMASK_ULL(5, 0)
-#define ARM64_TCR_T0SZ			GENMASK_ULL(5, 0)
 #define CTXDESC_CD_0_TCR_TG0		GENMASK_ULL(7, 6)
-#define ARM64_TCR_TG0			GENMASK_ULL(15, 14)
 #define CTXDESC_CD_0_TCR_IRGN0		GENMASK_ULL(9, 8)
-#define ARM64_TCR_IRGN0			GENMASK_ULL(9, 8)
 #define CTXDESC_CD_0_TCR_ORGN0		GENMASK_ULL(11, 10)
-#define ARM64_TCR_ORGN0			GENMASK_ULL(11, 10)
 #define CTXDESC_CD_0_TCR_SH0		GENMASK_ULL(13, 12)
-#define ARM64_TCR_SH0			GENMASK_ULL(13, 12)
 #define CTXDESC_CD_0_TCR_EPD0		(1ULL << 14)
-#define ARM64_TCR_EPD0			(1ULL << 7)
 #define CTXDESC_CD_0_TCR_EPD1		(1ULL << 30)
-#define ARM64_TCR_EPD1			(1ULL << 23)
 
 #define CTXDESC_CD_0_ENDI		(1UL << 15)
 #define CTXDESC_CD_0_V			(1UL << 31)
 
 #define CTXDESC_CD_0_TCR_IPS		GENMASK_ULL(34, 32)
-#define ARM64_TCR_IPS			GENMASK_ULL(34, 32)
 #define CTXDESC_CD_0_TCR_TBI0		(1ULL << 38)
-#define ARM64_TCR_TBI0			(1ULL << 37)
 
 #define CTXDESC_CD_0_AA64		(1UL << 41)
 #define CTXDESC_CD_0_S			(1UL << 44)
@@ -291,10 +282,6 @@
 
 #define CTXDESC_CD_1_TTB0_MASK		GENMASK_ULL(51, 4)
 
-/* Convert between AArch64 (CPU) TCR format and SMMU CD format */
-#define ARM_SMMU_TCR2CD(tcr, fld)	FIELD_PREP(CTXDESC_CD_0_TCR_##fld, \
-					FIELD_GET(ARM64_TCR_##fld, tcr))
-
 /* Command queue */
 #define CMDQ_ENT_SZ_SHIFT		4
 #define CMDQ_ENT_DWORDS			((1 << CMDQ_ENT_SZ_SHIFT) >> 3)
@@ -1439,23 +1426,6 @@ static int arm_smmu_cmdq_issue_sync(struct arm_smmu_device *smmu)
 }
 
 /* Context descriptor manipulation functions */
-static u64 arm_smmu_cpu_tcr_to_cd(u64 tcr)
-{
-	u64 val = 0;
-
-	/* Repack the TCR. Just care about TTBR0 for now */
-	val |= ARM_SMMU_TCR2CD(tcr, T0SZ);
-	val |= ARM_SMMU_TCR2CD(tcr, TG0);
-	val |= ARM_SMMU_TCR2CD(tcr, IRGN0);
-	val |= ARM_SMMU_TCR2CD(tcr, ORGN0);
-	val |= ARM_SMMU_TCR2CD(tcr, SH0);
-	val |= ARM_SMMU_TCR2CD(tcr, EPD0);
-	val |= ARM_SMMU_TCR2CD(tcr, EPD1);
-	val |= ARM_SMMU_TCR2CD(tcr, IPS);
-
-	return val;
-}
-
 static void arm_smmu_write_ctx_desc(struct arm_smmu_device *smmu,
 				    struct arm_smmu_s1_cfg *cfg)
 {
@@ -1465,7 +1435,7 @@ static void arm_smmu_write_ctx_desc(struct arm_smmu_device *smmu,
 	 * We don't need to issue any invalidation here, as we'll invalidate
 	 * the STE when installing the new entry anyway.
 	 */
-	val = arm_smmu_cpu_tcr_to_cd(cfg->cd.tcr) |
+	val = cfg->cd.tcr |
 #ifdef __BIG_ENDIAN
 	      CTXDESC_CD_0_ENDI |
 #endif
@@ -2151,6 +2121,7 @@ static int arm_smmu_domain_finalise_s1(struct arm_smmu_domain *smmu_domain,
 	int asid;
 	struct arm_smmu_device *smmu = smmu_domain->smmu;
 	struct arm_smmu_s1_cfg *cfg = &smmu_domain->s1_cfg;
+	typeof(&pgtbl_cfg->arm_lpae_s1_cfg.tcr) tcr = &pgtbl_cfg->arm_lpae_s1_cfg.tcr;
 
 	asid = arm_smmu_bitmap_alloc(smmu->asid_map, smmu->asid_bits);
 	if (asid < 0)
@@ -2167,7 +2138,13 @@ static int arm_smmu_domain_finalise_s1(struct arm_smmu_domain *smmu_domain,
 
 	cfg->cd.asid	= (u16)asid;
 	cfg->cd.ttbr	= pgtbl_cfg->arm_lpae_s1_cfg.ttbr;
-	cfg->cd.tcr	= pgtbl_cfg->arm_lpae_s1_cfg.tcr;
+	cfg->cd.tcr	= FIELD_PREP(CTXDESC_CD_0_TCR_T0SZ, tcr->tsz) |
+			  FIELD_PREP(CTXDESC_CD_0_TCR_TG0, tcr->tg) |
+			  FIELD_PREP(CTXDESC_CD_0_TCR_IRGN0, tcr->irgn) |
+			  FIELD_PREP(CTXDESC_CD_0_TCR_ORGN0, tcr->orgn) |
+			  FIELD_PREP(CTXDESC_CD_0_TCR_SH0, tcr->sh) |
+			  FIELD_PREP(CTXDESC_CD_0_TCR_IPS, tcr->ips) |
+			  CTXDESC_CD_0_TCR_EPD1 | CTXDESC_CD_0_AA64;
 	cfg->cd.mair	= pgtbl_cfg->arm_lpae_s1_cfg.mair;
 	return 0;
 
diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c
index 72640e045268..e65eb60812ec 100644
--- a/drivers/iommu/arm-smmu.c
+++ b/drivers/iommu/arm-smmu.c
@@ -540,11 +540,12 @@ static void arm_smmu_init_context_bank(struct arm_smmu_domain *smmu_domain,
 		if (cfg->fmt == ARM_SMMU_CTX_FMT_AARCH32_S) {
 			cb->tcr[0] = pgtbl_cfg->arm_v7s_cfg.tcr;
 		} else {
-			cb->tcr[0] = pgtbl_cfg->arm_lpae_s1_cfg.tcr;
-			cb->tcr[1] = pgtbl_cfg->arm_lpae_s1_cfg.tcr >> 32;
-			cb->tcr[1] |= FIELD_PREP(TCR2_SEP, TCR2_SEP_UPSTREAM);
+			cb->tcr[0] = arm_smmu_lpae_tcr(pgtbl_cfg);
+			cb->tcr[1] = arm_smmu_lpae_tcr2(pgtbl_cfg);
 			if (cfg->fmt == ARM_SMMU_CTX_FMT_AARCH64)
 				cb->tcr[1] |= TCR2_AS;
+			else
+				cb->tcr[0] |= TCR_EAE;
 		}
 	} else {
 		cb->tcr[0] = pgtbl_cfg->arm_lpae_s2_cfg.vtcr;
diff --git a/drivers/iommu/arm-smmu.h b/drivers/iommu/arm-smmu.h
index 62b9f0cec49b..aade2b0ae175 100644
--- a/drivers/iommu/arm-smmu.h
+++ b/drivers/iommu/arm-smmu.h
@@ -11,6 +11,7 @@
 #define _ARM_SMMU_H
 
 #include <linux/atomic.h>
+#include <linux/bitfield.h>
 #include <linux/bits.h>
 #include <linux/clk.h>
 #include <linux/device.h>
@@ -158,12 +159,24 @@ enum arm_smmu_cbar_type {
 #define TCR2_SEP			GENMASK(17, 15)
 #define TCR2_SEP_UPSTREAM		0x7
 #define TCR2_AS				BIT(4)
+#define TCR2_PASIZE			GENMASK(3, 0)
 
 #define ARM_SMMU_CB_TTBR0		0x20
 #define ARM_SMMU_CB_TTBR1		0x28
 #define TTBRn_ASID			GENMASK_ULL(63, 48)
 
+/* arm64 headers leak this somehow :( */
+#undef TCR_T0SZ
+
 #define ARM_SMMU_CB_TCR			0x30
+#define TCR_EAE				BIT(31)
+#define TCR_EPD1			BIT(23)
+#define TCR_TG0				GENMASK(15, 14)
+#define TCR_SH0				GENMASK(13, 12)
+#define TCR_ORGN0			GENMASK(11, 10)
+#define TCR_IRGN0			GENMASK(9, 8)
+#define TCR_T0SZ			GENMASK(5, 0)
+
 #define ARM_SMMU_CB_CONTEXTIDR		0x34
 #define ARM_SMMU_CB_S1_MAIR0		0x38
 #define ARM_SMMU_CB_S1_MAIR1		0x3c
@@ -318,6 +331,21 @@ struct arm_smmu_domain {
 	struct iommu_domain		domain;
 };
 
+static inline u32 arm_smmu_lpae_tcr(struct io_pgtable_cfg *cfg)
+{
+	return TCR_EPD1 |
+	       FIELD_PREP(TCR_TG0, cfg->arm_lpae_s1_cfg.tcr.tg) |
+	       FIELD_PREP(TCR_SH0, cfg->arm_lpae_s1_cfg.tcr.sh) |
+	       FIELD_PREP(TCR_ORGN0, cfg->arm_lpae_s1_cfg.tcr.orgn) |
+	       FIELD_PREP(TCR_IRGN0, cfg->arm_lpae_s1_cfg.tcr.irgn) |
+	       FIELD_PREP(TCR_T0SZ, cfg->arm_lpae_s1_cfg.tcr.tsz);
+}
+
+static inline u32 arm_smmu_lpae_tcr2(struct io_pgtable_cfg *cfg)
+{
+	return FIELD_PREP(TCR2_PASIZE, cfg->arm_lpae_s1_cfg.tcr.ips) |
+	       FIELD_PREP(TCR2_SEP, TCR2_SEP_UPSTREAM);
+}
 
 /* Implementation details, yay! */
 struct arm_smmu_impl {
diff --git a/drivers/iommu/io-pgtable-arm-v7s.c b/drivers/iommu/io-pgtable-arm-v7s.c
index 697ffffe34df..4272fe4e17f4 100644
--- a/drivers/iommu/io-pgtable-arm-v7s.c
+++ b/drivers/iommu/io-pgtable-arm-v7s.c
@@ -149,8 +149,6 @@
 #define ARM_V7S_TTBR_IRGN_ATTR(attr)					\
 	((((attr) & 0x1) << 6) | (((attr) & 0x2) >> 1))
 
-#define ARM_V7S_TCR_PD1			BIT(5)
-
 #ifdef CONFIG_ZONE_DMA32
 #define ARM_V7S_TABLE_GFP_DMA GFP_DMA32
 #define ARM_V7S_TABLE_SLAB_FLAGS SLAB_CACHE_DMA32
@@ -798,8 +796,8 @@ static struct io_pgtable *arm_v7s_alloc_pgtable(struct io_pgtable_cfg *cfg,
 	 */
 	cfg->pgsize_bitmap &= SZ_4K | SZ_64K | SZ_1M | SZ_16M;
 
-	/* TCR: T0SZ=0, disable TTBR1 */
-	cfg->arm_v7s_cfg.tcr = ARM_V7S_TCR_PD1;
+	/* TCR: T0SZ=0, EAE=0 (if applicable) */
+	cfg->arm_v7s_cfg.tcr = 0;
 
 	/*
 	 * TEX remap: the indices used map to the closest equivalent types
diff --git a/drivers/iommu/io-pgtable-arm.c b/drivers/iommu/io-pgtable-arm.c
index 1c0ec16effbb..a868ce594871 100644
--- a/drivers/iommu/io-pgtable-arm.c
+++ b/drivers/iommu/io-pgtable-arm.c
@@ -100,40 +100,32 @@
 #define ARM_LPAE_PTE_MEMATTR_DEV	(((arm_lpae_iopte)0x1) << 2)
 
 /* Register bits */
-#define ARM_32_LPAE_TCR_EAE		(1 << 31)
-#define ARM_64_LPAE_S2_TCR_RES1		(1U << 31)
+#define ARM_64_LPAE_VTCR_RES1		(1U << 31)
 
-#define ARM_LPAE_TCR_EPD1		(1 << 23)
-
-#define ARM_LPAE_TCR_TG0_4K		(0 << 14)
-#define ARM_LPAE_TCR_TG0_64K		(1 << 14)
-#define ARM_LPAE_TCR_TG0_16K		(2 << 14)
+#define ARM_LPAE_VTCR_TG0_SHIFT		14
+#define ARM_LPAE_TCR_TG0_4K		0
+#define ARM_LPAE_TCR_TG0_64K		1
+#define ARM_LPAE_TCR_TG0_16K		2
 
 #define ARM_LPAE_TCR_SH0_SHIFT		12
-#define ARM_LPAE_TCR_SH0_MASK		0x3
 #define ARM_LPAE_TCR_SH_NS		0
 #define ARM_LPAE_TCR_SH_OS		2
 #define ARM_LPAE_TCR_SH_IS		3
 
 #define ARM_LPAE_TCR_ORGN0_SHIFT	10
 #define ARM_LPAE_TCR_IRGN0_SHIFT	8
-#define ARM_LPAE_TCR_RGN_MASK		0x3
 #define ARM_LPAE_TCR_RGN_NC		0
 #define ARM_LPAE_TCR_RGN_WBWA		1
 #define ARM_LPAE_TCR_RGN_WT		2
 #define ARM_LPAE_TCR_RGN_WB		3
 
-#define ARM_LPAE_TCR_SL0_SHIFT		6
-#define ARM_LPAE_TCR_SL0_MASK		0x3
+#define ARM_LPAE_VTCR_SL0_SHIFT		6
+#define ARM_LPAE_VTCR_SL0_MASK		0x3
 
 #define ARM_LPAE_TCR_T0SZ_SHIFT		0
-#define ARM_LPAE_TCR_SZ_MASK		0xf
-
-#define ARM_LPAE_TCR_PS_SHIFT		16
-#define ARM_LPAE_TCR_PS_MASK		0x7
 
-#define ARM_LPAE_TCR_IPS_SHIFT		32
-#define ARM_LPAE_TCR_IPS_MASK		0x7
+#define ARM_LPAE_VTCR_PS_SHIFT		16
+#define ARM_LPAE_VTCR_PS_MASK		0x7
 
 #define ARM_LPAE_TCR_PS_32_BIT		0x0ULL
 #define ARM_LPAE_TCR_PS_36_BIT		0x1ULL
@@ -792,6 +784,7 @@ arm_64_lpae_alloc_pgtable_s1(struct io_pgtable_cfg *cfg, void *cookie)
 {
 	u64 reg;
 	struct arm_lpae_io_pgtable *data;
+	typeof(&cfg->arm_lpae_s1_cfg.tcr) tcr = &cfg->arm_lpae_s1_cfg.tcr;
 
 	if (cfg->quirks & ~(IO_PGTABLE_QUIRK_ARM_NS |
 			    IO_PGTABLE_QUIRK_NON_STRICT))
@@ -803,58 +796,54 @@ arm_64_lpae_alloc_pgtable_s1(struct io_pgtable_cfg *cfg, void *cookie)
 
 	/* TCR */
 	if (cfg->coherent_walk) {
-		reg = (ARM_LPAE_TCR_SH_IS << ARM_LPAE_TCR_SH0_SHIFT) |
-		      (ARM_LPAE_TCR_RGN_WBWA << ARM_LPAE_TCR_IRGN0_SHIFT) |
-		      (ARM_LPAE_TCR_RGN_WBWA << ARM_LPAE_TCR_ORGN0_SHIFT);
+		tcr->sh = ARM_LPAE_TCR_SH_IS;
+		tcr->irgn = ARM_LPAE_TCR_RGN_WBWA;
+		tcr->orgn = ARM_LPAE_TCR_RGN_WBWA;
 	} else {
-		reg = (ARM_LPAE_TCR_SH_OS << ARM_LPAE_TCR_SH0_SHIFT) |
-		      (ARM_LPAE_TCR_RGN_NC << ARM_LPAE_TCR_IRGN0_SHIFT) |
-		      (ARM_LPAE_TCR_RGN_NC << ARM_LPAE_TCR_ORGN0_SHIFT);
+		tcr->sh = ARM_LPAE_TCR_SH_OS;
+		tcr->irgn = ARM_LPAE_TCR_RGN_NC;
+		tcr->orgn = ARM_LPAE_TCR_RGN_NC;
 	}
 
 	switch (ARM_LPAE_GRANULE(data)) {
 	case SZ_4K:
-		reg |= ARM_LPAE_TCR_TG0_4K;
+		tcr->tg = ARM_LPAE_TCR_TG0_4K;
 		break;
 	case SZ_16K:
-		reg |= ARM_LPAE_TCR_TG0_16K;
+		tcr->tg = ARM_LPAE_TCR_TG0_16K;
 		break;
 	case SZ_64K:
-		reg |= ARM_LPAE_TCR_TG0_64K;
+		tcr->tg = ARM_LPAE_TCR_TG0_64K;
 		break;
 	}
 
 	switch (cfg->oas) {
 	case 32:
-		reg |= (ARM_LPAE_TCR_PS_32_BIT << ARM_LPAE_TCR_IPS_SHIFT);
+		tcr->ips = ARM_LPAE_TCR_PS_32_BIT;
 		break;
 	case 36:
-		reg |= (ARM_LPAE_TCR_PS_36_BIT << ARM_LPAE_TCR_IPS_SHIFT);
+		tcr->ips = ARM_LPAE_TCR_PS_36_BIT;
 		break;
 	case 40:
-		reg |= (ARM_LPAE_TCR_PS_40_BIT << ARM_LPAE_TCR_IPS_SHIFT);
+		tcr->ips = ARM_LPAE_TCR_PS_40_BIT;
 		break;
 	case 42:
-		reg |= (ARM_LPAE_TCR_PS_42_BIT << ARM_LPAE_TCR_IPS_SHIFT);
+		tcr->ips = ARM_LPAE_TCR_PS_42_BIT;
 		break;
 	case 44:
-		reg |= (ARM_LPAE_TCR_PS_44_BIT << ARM_LPAE_TCR_IPS_SHIFT);
+		tcr->ips = ARM_LPAE_TCR_PS_44_BIT;
 		break;
 	case 48:
-		reg |= (ARM_LPAE_TCR_PS_48_BIT << ARM_LPAE_TCR_IPS_SHIFT);
+		tcr->ips = ARM_LPAE_TCR_PS_48_BIT;
 		break;
 	case 52:
-		reg |= (ARM_LPAE_TCR_PS_52_BIT << ARM_LPAE_TCR_IPS_SHIFT);
+		tcr->ips = ARM_LPAE_TCR_PS_52_BIT;
 		break;
 	default:
 		goto out_free_data;
 	}
 
-	reg |= (64ULL - cfg->ias) << ARM_LPAE_TCR_T0SZ_SHIFT;
-
-	/* Disable speculative walks through TTBR1 */
-	reg |= ARM_LPAE_TCR_EPD1;
-	cfg->arm_lpae_s1_cfg.tcr = reg;
+	tcr->tsz = 64ULL - cfg->ias;
 
 	/* MAIRs */
 	reg = (ARM_LPAE_MAIR_ATTR_NC
@@ -915,7 +904,7 @@ arm_64_lpae_alloc_pgtable_s2(struct io_pgtable_cfg *cfg, void *cookie)
 	}
 
 	/* VTCR */
-	reg = ARM_64_LPAE_S2_TCR_RES1;
+	reg = ARM_64_LPAE_VTCR_RES1;
 	if (cfg->coherent_walk) {
 		reg |= (ARM_LPAE_TCR_SH_IS << ARM_LPAE_TCR_SH0_SHIFT) |
 		       (ARM_LPAE_TCR_RGN_WBWA << ARM_LPAE_TCR_IRGN0_SHIFT) |
@@ -930,45 +919,45 @@ arm_64_lpae_alloc_pgtable_s2(struct io_pgtable_cfg *cfg, void *cookie)
 
 	switch (ARM_LPAE_GRANULE(data)) {
 	case SZ_4K:
-		reg |= ARM_LPAE_TCR_TG0_4K;
+		reg |= (ARM_LPAE_TCR_TG0_4K << ARM_LPAE_VTCR_TG0_SHIFT);
 		sl++; /* SL0 format is different for 4K granule size */
 		break;
 	case SZ_16K:
-		reg |= ARM_LPAE_TCR_TG0_16K;
+		reg |= (ARM_LPAE_TCR_TG0_16K << ARM_LPAE_VTCR_TG0_SHIFT);
 		break;
 	case SZ_64K:
-		reg |= ARM_LPAE_TCR_TG0_64K;
+		reg |= (ARM_LPAE_TCR_TG0_64K << ARM_LPAE_VTCR_TG0_SHIFT);
 		break;
 	}
 
 	switch (cfg->oas) {
 	case 32:
-		reg |= (ARM_LPAE_TCR_PS_32_BIT << ARM_LPAE_TCR_PS_SHIFT);
+		reg |= (ARM_LPAE_TCR_PS_32_BIT << ARM_LPAE_VTCR_PS_SHIFT);
 		break;
 	case 36:
-		reg |= (ARM_LPAE_TCR_PS_36_BIT << ARM_LPAE_TCR_PS_SHIFT);
+		reg |= (ARM_LPAE_TCR_PS_36_BIT << ARM_LPAE_VTCR_PS_SHIFT);
 		break;
 	case 40:
-		reg |= (ARM_LPAE_TCR_PS_40_BIT << ARM_LPAE_TCR_PS_SHIFT);
+		reg |= (ARM_LPAE_TCR_PS_40_BIT << ARM_LPAE_VTCR_PS_SHIFT);
 		break;
 	case 42:
-		reg |= (ARM_LPAE_TCR_PS_42_BIT << ARM_LPAE_TCR_PS_SHIFT);
+		reg |= (ARM_LPAE_TCR_PS_42_BIT << ARM_LPAE_VTCR_PS_SHIFT);
 		break;
 	case 44:
-		reg |= (ARM_LPAE_TCR_PS_44_BIT << ARM_LPAE_TCR_PS_SHIFT);
+		reg |= (ARM_LPAE_TCR_PS_44_BIT << ARM_LPAE_VTCR_PS_SHIFT);
 		break;
 	case 48:
-		reg |= (ARM_LPAE_TCR_PS_48_BIT << ARM_LPAE_TCR_PS_SHIFT);
+		reg |= (ARM_LPAE_TCR_PS_48_BIT << ARM_LPAE_VTCR_PS_SHIFT);
 		break;
 	case 52:
-		reg |= (ARM_LPAE_TCR_PS_52_BIT << ARM_LPAE_TCR_PS_SHIFT);
+		reg |= (ARM_LPAE_TCR_PS_52_BIT << ARM_LPAE_VTCR_PS_SHIFT);
 		break;
 	default:
 		goto out_free_data;
 	}
 
 	reg |= (64ULL - cfg->ias) << ARM_LPAE_TCR_T0SZ_SHIFT;
-	reg |= (~sl & ARM_LPAE_TCR_SL0_MASK) << ARM_LPAE_TCR_SL0_SHIFT;
+	reg |= (~sl & ARM_LPAE_VTCR_SL0_MASK) << ARM_LPAE_VTCR_SL0_SHIFT;
 	cfg->arm_lpae_s2_cfg.vtcr = reg;
 
 	/* Allocate pgd pages */
@@ -992,19 +981,12 @@ out_free_data:
 static struct io_pgtable *
 arm_32_lpae_alloc_pgtable_s1(struct io_pgtable_cfg *cfg, void *cookie)
 {
-	struct io_pgtable *iop;
-
 	if (cfg->ias > 32 || cfg->oas > 40)
 		return NULL;
 
 	cfg->pgsize_bitmap &= (SZ_4K | SZ_2M | SZ_1G);
-	iop = arm_64_lpae_alloc_pgtable_s1(cfg, cookie);
-	if (iop) {
-		cfg->arm_lpae_s1_cfg.tcr |= ARM_32_LPAE_TCR_EAE;
-		cfg->arm_lpae_s1_cfg.tcr &= 0xffffffff;
-	}
 
-	return iop;
+	return arm_64_lpae_alloc_pgtable_s1(cfg, cookie);
 }
 
 static struct io_pgtable *
diff --git a/drivers/iommu/io-pgtable.c b/drivers/iommu/io-pgtable.c
index ced53e5b72b5..94394c81468f 100644
--- a/drivers/iommu/io-pgtable.c
+++ b/drivers/iommu/io-pgtable.c
@@ -63,7 +63,7 @@ void free_io_pgtable_ops(struct io_pgtable_ops *ops)
 	if (!ops)
 		return;
 
-	iop = container_of(ops, struct io_pgtable, ops);
+	iop = io_pgtable_ops_to_pgtable(ops);
 	io_pgtable_tlb_flush_all(iop);
 	io_pgtable_init_table[iop->fmt]->free(iop);
 }
diff --git a/drivers/iommu/qcom_iommu.c b/drivers/iommu/qcom_iommu.c
index c200bc066257..2eeaf2eec946 100644
--- a/drivers/iommu/qcom_iommu.c
+++ b/drivers/iommu/qcom_iommu.c
@@ -271,15 +271,13 @@ static int qcom_iommu_init_domain(struct iommu_domain *domain,
 		iommu_writeq(ctx, ARM_SMMU_CB_TTBR0,
 				pgtbl_cfg.arm_lpae_s1_cfg.ttbr |
 				FIELD_PREP(TTBRn_ASID, ctx->asid));
-		iommu_writeq(ctx, ARM_SMMU_CB_TTBR1,
-				FIELD_PREP(TTBRn_ASID, ctx->asid));
+		iommu_writeq(ctx, ARM_SMMU_CB_TTBR1, 0);
 
 		/* TCR */
 		iommu_writel(ctx, ARM_SMMU_CB_TCR2,
-				(pgtbl_cfg.arm_lpae_s1_cfg.tcr >> 32) |
-				FIELD_PREP(TCR2_SEP, TCR2_SEP_UPSTREAM));
+				arm_smmu_lpae_tcr2(&pgtbl_cfg));
 		iommu_writel(ctx, ARM_SMMU_CB_TCR,
-				pgtbl_cfg.arm_lpae_s1_cfg.tcr);
+				arm_smmu_lpae_tcr(&pgtbl_cfg) | TCR_EAE);
 
 		/* MAIRs (stage-1 only) */
 		iommu_writel(ctx, ARM_SMMU_CB_S1_MAIR0,
diff --git a/include/linux/io-pgtable.h b/include/linux/io-pgtable.h
index 53bca5343f52..6ae104cedfd7 100644
--- a/include/linux/io-pgtable.h
+++ b/include/linux/io-pgtable.h
@@ -101,7 +101,14 @@ struct io_pgtable_cfg {
 	union {
 		struct {
 			u64	ttbr;
-			u64	tcr;
+			struct {
+				u32	ips:3;
+				u32	tg:2;
+				u32	sh:2;
+				u32	orgn:2;
+				u32	irgn:2;
+				u32	tsz:6;
+			}	tcr;
 			u64	mair;
 		} arm_lpae_s1_cfg;
generated by cgit-pink 1.4.1 (git 2.36.1) at 2024-09-29 12:29:07 +0000