diff mbox series

[v3,2/4] iommu/arm-smmu: add ACTLR data and support for SM8550

Message ID 20231127145412.3981-3-quic_bibekkum@quicinc.com (mailing list archive)
State Superseded
Headers show
Series iommu/arm-smmu: introduction of ACTLR implementation for Qualcomm SoCs | expand

Commit Message

Bibek Kumar Patro Nov. 27, 2023, 2:54 p.m. UTC 
Add ACTLR data table for SM8550 along with support for
same including SM8550 specific implementation operations.

Signed-off-by: Bibek Kumar Patro <quic_bibekkum@quicinc.com>
---
 drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c | 81 ++++++++++++++++++++++
 1 file changed, 81 insertions(+)

--
2.17.1

Comments

Konrad Dybcio Nov. 27, 2023, 3:34 p.m. UTC | #1 
On 27.11.2023 15:54, Bibek Kumar Patro wrote:
> Add ACTLR data table for SM8550 along with support for
> same including SM8550 specific implementation operations.
> 
> Signed-off-by: Bibek Kumar Patro <quic_bibekkum@quicinc.com>
> ---
Acked-by: Konrad Dybcio <konrad.dybcio@linaro.org>

Konrad
diff mbox series

Patch

diff --git a/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c b/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c
index 4a38cae29be2..247eaa194129 100644
--- a/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c
+++ b/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c
@@ -20,6 +20,75 @@  struct actlr_config {
 	u32 actlr;
 };

+#define PREFETCH_DISABLE	0
+#define PREFETCH_SHALLOW	BIT(8)
+#define PREFETCH_DEEP		(BIT(9) | BIT(8))
+#define PREFETCH_DEEP_GFX	(BIT(9) | BIT(8) | BIT(5) | BIT(3))
+#define CPRE			BIT(1)		/* Enable context caching in the prefetch buffer */
+#define CMTLB			BIT(0)		/* Enable context caching in the macro TLB */
+
+static const struct actlr_config sm8550_apps_actlr_cfg[] = {
+	{ 0x18a0, 0x0000, PREFETCH_SHALLOW | CPRE | CMTLB },
+	{ 0x18e0, 0x0000, PREFETCH_SHALLOW | CPRE | CMTLB },
+	{ 0x0800, 0x0020, PREFETCH_DISABLE | CMTLB },
+	{ 0x1800, 0x00c0, PREFETCH_DISABLE | CMTLB },
+	{ 0x1820, 0x0000, PREFETCH_DISABLE | CMTLB },
+	{ 0x1860, 0x0000, PREFETCH_DISABLE | CMTLB },
+	{ 0x0c01, 0x0020, PREFETCH_DEEP | CPRE | CMTLB },
+	{ 0x0c02, 0x0020, PREFETCH_DEEP | CPRE | CMTLB },
+	{ 0x0c03, 0x0020, PREFETCH_DEEP | CPRE | CMTLB },
+	{ 0x0c04, 0x0020, PREFETCH_DEEP | CPRE | CMTLB },
+	{ 0x0c05, 0x0020, PREFETCH_DEEP | CPRE | CMTLB },
+	{ 0x0c06, 0x0020, PREFETCH_DEEP | CPRE | CMTLB },
+	{ 0x0c07, 0x0020, PREFETCH_DEEP | CPRE | CMTLB },
+	{ 0x0c08, 0x0020, PREFETCH_DEEP | CPRE | CMTLB },
+	{ 0x0c09, 0x0020, PREFETCH_DEEP | CPRE | CMTLB },
+	{ 0x0c0c, 0x0020, PREFETCH_DEEP | CPRE | CMTLB },
+	{ 0x0c0d, 0x0020, PREFETCH_DEEP | CPRE | CMTLB },
+	{ 0x0c0e, 0x0020, PREFETCH_DEEP | CPRE | CMTLB },
+	{ 0x0c0f, 0x0020, PREFETCH_DEEP | CPRE | CMTLB },
+	{ 0x1961, 0x0000, PREFETCH_DEEP | CPRE | CMTLB },
+	{ 0x1962, 0x0000, PREFETCH_DEEP | CPRE | CMTLB },
+	{ 0x1963, 0x0000, PREFETCH_DEEP | CPRE | CMTLB },
+	{ 0x1964, 0x0000, PREFETCH_DEEP | CPRE | CMTLB },
+	{ 0x1965, 0x0000, PREFETCH_DEEP | CPRE | CMTLB },
+	{ 0x1966, 0x0000, PREFETCH_DEEP | CPRE | CMTLB },
+	{ 0x1967, 0x0000, PREFETCH_DEEP | CPRE | CMTLB },
+	{ 0x1968, 0x0000, PREFETCH_DEEP | CPRE | CMTLB },
+	{ 0x1969, 0x0000, PREFETCH_DEEP | CPRE | CMTLB },
+	{ 0x196c, 0x0000, PREFETCH_DEEP | CPRE | CMTLB },
+	{ 0x196d, 0x0000, PREFETCH_DEEP | CPRE | CMTLB },
+	{ 0x196e, 0x0000, PREFETCH_DEEP | CPRE | CMTLB },
+	{ 0x196f, 0x0000, PREFETCH_DEEP | CPRE | CMTLB },
+	{ 0x19c1, 0x0010, PREFETCH_DEEP | CPRE | CMTLB },
+	{ 0x19c2, 0x0010, PREFETCH_DEEP | CPRE | CMTLB },
+	{ 0x19c3, 0x0010, PREFETCH_DEEP | CPRE | CMTLB },
+	{ 0x19c4, 0x0010, PREFETCH_DEEP | CPRE | CMTLB },
+	{ 0x19c5, 0x0010, PREFETCH_DEEP | CPRE | CMTLB },
+	{ 0x19c6, 0x0010, PREFETCH_DEEP | CPRE | CMTLB },
+	{ 0x19c7, 0x0010, PREFETCH_DEEP | CPRE | CMTLB },
+	{ 0x19c8, 0x0010, PREFETCH_DEEP | CPRE | CMTLB },
+	{ 0x19c9, 0x0010, PREFETCH_DEEP | CPRE | CMTLB },
+	{ 0x19cc, 0x0010, PREFETCH_DEEP | CPRE | CMTLB },
+	{ 0x19cd, 0x0010, PREFETCH_DEEP | CPRE | CMTLB },
+	{ 0x19ce, 0x0010, PREFETCH_DEEP | CPRE | CMTLB },
+	{ 0x19cf, 0x0010, PREFETCH_DEEP | CPRE | CMTLB },
+	{ 0x1c00, 0x0002, PREFETCH_SHALLOW | CPRE | CMTLB },
+	{ 0x1c01, 0x0000, PREFETCH_DISABLE | CMTLB },
+	{ 0x1920, 0x0000, PREFETCH_SHALLOW | CPRE | CMTLB },
+	{ 0x1923, 0x0000, PREFETCH_SHALLOW | CPRE | CMTLB },
+	{ 0x1924, 0x0000, PREFETCH_SHALLOW | CPRE | CMTLB },
+	{ 0x1940, 0x0000, PREFETCH_SHALLOW | CPRE | CMTLB },
+	{ 0x1941, 0x0004, PREFETCH_SHALLOW | CPRE | CMTLB },
+	{ 0x1943, 0x0000, PREFETCH_SHALLOW | CPRE | CMTLB },
+	{ 0x1944, 0x0000, PREFETCH_SHALLOW | CPRE | CMTLB },
+	{ 0x1947, 0x0000, PREFETCH_SHALLOW | CPRE | CMTLB },
+};
+
+static const struct actlr_config sm8550_gfx_actlr_cfg[] = {
+	{ 0x0000, 0x03ff, PREFETCH_DEEP_GFX | CPRE | CMTLB },
+};
+
 static struct qcom_smmu *to_qcom_smmu(struct arm_smmu_device *smmu)
 {
 	return container_of(smmu, struct qcom_smmu, smmu);
@@ -557,6 +626,17 @@  static const struct qcom_smmu_match_data sdm845_smmu_500_data = {
 	/* Also no debug configuration. */
 };

+
+static const struct qcom_smmu_match_data sm8550_smmu_500_impl0_data = {
+	.impl = &qcom_smmu_500_impl,
+	.adreno_impl = &qcom_adreno_smmu_500_impl,
+	.cfg = &qcom_smmu_impl0_cfg,
+	.actlrcfg = sm8550_apps_actlr_cfg,
+	.actlrcfg_size = ARRAY_SIZE(sm8550_apps_actlr_cfg),
+	.actlrcfg_gfx = sm8550_gfx_actlr_cfg,
+	.actlrcfg_gfx_size = ARRAY_SIZE(sm8550_gfx_actlr_cfg),
+};
+
 static const struct qcom_smmu_match_data qcom_smmu_500_impl0_data = {
 	.impl = &qcom_smmu_500_impl,
 	.adreno_impl = &qcom_adreno_smmu_500_impl,
@@ -590,6 +670,7 @@  static const struct of_device_id __maybe_unused qcom_smmu_impl_of_match[] = {
 	{ .compatible = "qcom,sm8250-smmu-500", .data = &qcom_smmu_500_impl0_data },
 	{ .compatible = "qcom,sm8350-smmu-500", .data = &qcom_smmu_500_impl0_data },
 	{ .compatible = "qcom,sm8450-smmu-500", .data = &qcom_smmu_500_impl0_data },
+	{ .compatible = "qcom,sm8550-smmu-500", .data = &sm8550_smmu_500_impl0_data },
 	{ .compatible = "qcom,smmu-500", .data = &qcom_smmu_500_impl0_data },
 	{ }
 };