diff mbox series

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

Message ID 20231127145412.3981-4-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State Superseded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 SC7280 along with support for
same including SC7280 specific implementation operations.

Signed-off-by: Bibek Kumar Patro <quic_bibekkum@quicinc.com>
---
 drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c | 25 +++++++++++++++++++++-
 1 file changed, 24 insertions(+), 1 deletion(-)

--
2.17.1

Comments

Konrad Dybcio Nov. 27, 2023, 3:35 p.m. UTC | #1
On 27.11.2023 15:54, Bibek Kumar Patro wrote:
> Add ACTLR data table for SC7280 along with support for
> same including SC7280 specific implementation operations.
> 
> Signed-off-by: Bibek Kumar Patro <quic_bibekkum@quicinc.com>
> ---
>  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 },
hex should be lowercase

> +	{ 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 },
> +};
Any reason this list is so much smaller than 8550's? Is it complete?

Konrad
Bibek Kumar Patro Nov. 29, 2023, 6:14 a.m. UTC | #2
On 11/27/2023 9:05 PM, Konrad Dybcio wrote:
> On 27.11.2023 15:54, Bibek Kumar Patro wrote:
>> Add ACTLR data table for SC7280 along with support for
>> same including SC7280 specific implementation operations.
>>
>> Signed-off-by: Bibek Kumar Patro <quic_bibekkum@quicinc.com>
>> ---
>>   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 },
> hex should be lowercase
Noted,thanks for pointing this out will take care of this in next
version.
> 
>> +	{ 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 },
>> +};
> Any reason this list is so much smaller than 8550's? Is it complete?
Yes it's complete only. This list varies targetwise actually so we just 
fill it referring the hardware settings reference document. So size of 
the list might vary as per target.
> 
> Konrad

Thanks & regards,
Bibek
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 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 },