[PATCH v3 3/4] iommu/arm-smmu: add ACTLR data and support for SC7280

From: Bibek Kumar Patro
Date: Mon Nov 27 2023 - 09:55:36 EST


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

Signed-off-by: Bibek Kumar Patro <quic_bibekkum@xxxxxxxxxxx>
---
drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c | 25 +++++++++++++++++++++-
1 file changed, 24 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 247eaa194129..f0ad09f9a974 100644
--- a/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c
+++ b/drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c
@@ -27,6 +27,20 @@ struct actlr_config {
#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 sc7280_apps_actlr_cfg[] = {
+ { 0x0800, 0x24E1, PREFETCH_DISABLE | CMTLB },
+ { 0x2000, 0x0163, PREFETCH_DISABLE | CMTLB },
+ { 0x2080, 0x0461, PREFETCH_DISABLE | CMTLB },
+ { 0x2100, 0x0161, PREFETCH_DISABLE | CMTLB },
+ { 0x0900, 0x0407, PREFETCH_SHALLOW | CPRE | CMTLB },
+ { 0x2180, 0x0027, PREFETCH_SHALLOW | CPRE | CMTLB },
+ { 0x1000, 0x07ff, PREFETCH_DEEP | CPRE | CMTLB },
+};
+
+static const struct actlr_config sc7280_gfx_actlr_cfg[] = {
+ { 0x0000, 0x07ff, PREFETCH_DEEP_GFX | CPRE | CMTLB },
+};
+
static const struct actlr_config sm8550_apps_actlr_cfg[] = {
{ 0x18a0, 0x0000, PREFETCH_SHALLOW | CPRE | CMTLB },
{ 0x18e0, 0x0000, PREFETCH_SHALLOW | CPRE | CMTLB },
@@ -626,6 +640,15 @@ 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,
+ .actlrcfg = sc7280_apps_actlr_cfg,
+ .actlrcfg_size = ARRAY_SIZE(sc7280_apps_actlr_cfg),
+ .actlrcfg_gfx = sc7280_gfx_actlr_cfg,
+ .actlrcfg_gfx_size = ARRAY_SIZE(sc7280_gfx_actlr_cfg),
+};

static const struct qcom_smmu_match_data sm8550_smmu_500_impl0_data = {
.impl = &qcom_smmu_500_impl,
@@ -654,7 +677,7 @@ 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 },
--
2.17.1