linux-kernel - [PATCH v12 5/6] iommu/arm-smmu: add ACTLR data and support for SC7280

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Date: Wed, 26 Jun 2024 20:00:19 +0530
From: Bibek Kumar Patro <quic_bibekkum@...cinc.com>
To: <robdclark@...il.com>, <will@...nel.org>, <robin.murphy@....com>,
        <joro@...tes.org>, <jgg@...pe.ca>, <jsnitsel@...hat.com>,
        <robh@...nel.org>, <krzysztof.kozlowski@...aro.org>,
        <quic_c_gdjako@...cinc.com>, <dmitry.baryshkov@...aro.org>,
        <konrad.dybcio@...aro.org>
CC: <iommu@...ts.linux.dev>, <linux-arm-msm@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>,
        "Bibek Kumar Patro" <quic_bibekkum@...cinc.com>
Subject: [PATCH v12 5/6] iommu/arm-smmu: add ACTLR data and support for SC7280

Add ACTLR data table for SC7280 along with support for
same including SC7280 specific implementation operations.

Signed-off-by: Bibek Kumar Patro <quic_bibekkum@...cinc.com>
---
 drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c | 58 +++++++++++++++++++++-
 1 file changed, 57 insertions(+), 1 deletion(-)

diff --git a/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c b/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c
index b4521471ffe9..bd101a161d04 100644
--- a/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c
+++ b/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c
@@ -29,6 +29,55 @@
 #define PREFETCH_MODERATE	(2 << PREFETCH_SHIFT)
 #define PREFETCH_DEEP		(3 << PREFETCH_SHIFT)

+static const struct actlr_config sc7280_apps_actlr_cfg[] = {
+	{ 0x0800, 0x04e0, PREFETCH_DEFAULT | CMTLB },
+	{ 0x2040, 0x0000, PREFETCH_DEFAULT | CMTLB },
+	{ 0x2000, 0x0020, PREFETCH_DEFAULT | CMTLB },
+	{ 0x2062, 0x0000, PREFETCH_DEFAULT | CMTLB },
+	{ 0x2080, 0x0020, PREFETCH_DEFAULT | CMTLB },
+	{ 0x20c0, 0x0020, PREFETCH_DEFAULT | CMTLB },
+	{ 0x2100, 0x0020, PREFETCH_DEFAULT | CMTLB },
+	{ 0x2140, 0x0000, PREFETCH_DEFAULT | CMTLB },
+	{ 0x0900, 0x0402, PREFETCH_SHALLOW | CPRE | CMTLB },
+	{ 0x0901, 0x0000, PREFETCH_SHALLOW | CPRE | CMTLB },
+	{ 0x0d01, 0x0000, PREFETCH_SHALLOW | CPRE | CMTLB },
+	{ 0x1181, 0x0420, PREFETCH_DEEP | CPRE | CMTLB },
+	{ 0x1182, 0x0420, PREFETCH_DEEP | CPRE | CMTLB },
+	{ 0x1183, 0x0420, PREFETCH_DEEP | CPRE | CMTLB },
+	{ 0x1184, 0x0420, PREFETCH_DEEP | CPRE | CMTLB },
+	{ 0x1185, 0x0420, PREFETCH_DEEP | CPRE | CMTLB },
+	{ 0x1186, 0x0420, PREFETCH_DEEP | CPRE | CMTLB },
+	{ 0x1187, 0x0420, PREFETCH_DEEP | CPRE | CMTLB },
+	{ 0x1188, 0x0420, PREFETCH_DEEP | CPRE | CMTLB },
+	{ 0x1189, 0x0420, PREFETCH_DEEP | CPRE | CMTLB },
+	{ 0x118b, 0x0420, PREFETCH_DEEP | CPRE | CMTLB },
+	{ 0x118c, 0x0420, PREFETCH_DEEP | CPRE | CMTLB },
+	{ 0x118d, 0x0420, PREFETCH_DEEP | CPRE | CMTLB },
+	{ 0x118e, 0x0420, PREFETCH_DEEP | CPRE | CMTLB },
+	{ 0x118f, 0x0420, PREFETCH_DEEP | CPRE | CMTLB },
+	{ 0x2180, 0x0020, PREFETCH_SHALLOW | CPRE | CMTLB },
+	{ 0x2181, 0x0004, PREFETCH_SHALLOW | CPRE | CMTLB },
+	{ 0x2183, 0x0000, PREFETCH_SHALLOW | CPRE | CMTLB },
+	{ 0x2184, 0x0020, PREFETCH_SHALLOW | CPRE | CMTLB },
+	{ 0x2187, 0x0000, PREFETCH_SHALLOW | CPRE | CMTLB },
+};
+
+static const struct actlr_config sc7280_gfx_actlr_cfg[] = {
+	{ 0x0000, 0x07ff, PREFETCH_DEEP | CPRE | CMTLB },
+};
+
+static const struct actlr_variant sc7280_actlr[] = {
+	{
+		.io_start = 0x15000000,
+		.actlrcfg = sc7280_apps_actlr_cfg,
+		.num_actlrcfg = ARRAY_SIZE(sc7280_apps_actlr_cfg)
+	}, {
+		.io_start = 0x03da0000,
+		.actlrcfg = sc7280_gfx_actlr_cfg,
+		.num_actlrcfg = ARRAY_SIZE(sc7280_gfx_actlr_cfg)
+	},
+};
+
 static const struct actlr_config sm8550_apps_actlr_cfg[] = {
 	{ 0x18a0, 0x0000, PREFETCH_SHALLOW | CPRE | CMTLB },
 	{ 0x18e0, 0x0000, PREFETCH_SHALLOW | CPRE | CMTLB },
@@ -685,6 +734,13 @@ static const struct qcom_smmu_match_data sdm845_smmu_500_data = {
 	/* Also no debug configuration. */
 };

+static const struct qcom_smmu_match_data sc7280_smmu_500_impl0_data = {
+	.impl = &qcom_smmu_500_impl,
+	.adreno_impl = &qcom_adreno_smmu_500_impl,
+	.cfg = &qcom_smmu_impl0_cfg,
+	.actlrvar = sc7280_actlr,
+	.num_smmu = ARRAY_SIZE(sc7280_actlr),
+};

 static const struct qcom_smmu_match_data sm8550_smmu_500_impl0_data = {
 	.impl = &qcom_smmu_500_impl,
@@ -711,7 +767,7 @@ static const struct of_device_id __maybe_unused qcom_smmu_impl_of_match[] = {
 	{ .compatible = "qcom,qdu1000-smmu-500", .data = &qcom_smmu_500_impl0_data  },
 	{ .compatible = "qcom,sc7180-smmu-500", .data = &qcom_smmu_500_impl0_data },
 	{ .compatible = "qcom,sc7180-smmu-v2", .data = &qcom_smmu_v2_data },
-	{ .compatible = "qcom,sc7280-smmu-500", .data = &qcom_smmu_500_impl0_data },
+	{ .compatible = "qcom,sc7280-smmu-500", .data = &sc7280_smmu_500_impl0_data },
 	{ .compatible = "qcom,sc8180x-smmu-500", .data = &qcom_smmu_500_impl0_data },
 	{ .compatible = "qcom,sc8280xp-smmu-500", .data = &qcom_smmu_500_impl0_data },
 	{ .compatible = "qcom,sdm630-smmu-v2", .data = &qcom_smmu_v2_data },
--
2.34.1