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The 'broadcast' register space is present only in chipsets that have multiple instances of LLCC IP. Since IPQ5424 has only one instance, both the LLCC and LLCC_BROADCAST points to the same register space. Hence, allow only '1' reg & reg-names entry for IPQ5424. Reviewed-by: Rob Herring (Arm) Signed-off-by: Varadarajan Narayanan --- v2: Add Reviewed-by --- .../devicetree/bindings/cache/qcom,llcc.yaml | 20 +++++++++++++++++-- 1 file changed, 18 insertions(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/cache/qcom,llcc.yaml b/Documentation/devicetree/bindings/cache/qcom,llcc.yaml index ee7edc6f60e2..1a0021676e59 100644 --- a/Documentation/devicetree/bindings/cache/qcom,llcc.yaml +++ b/Documentation/devicetree/bindings/cache/qcom,llcc.yaml @@ -21,6 +21,7 @@ properties: compatible: enum: - qcom,qdu1000-llcc + - qcom,ipq5424-llcc - qcom,sa8775p-llcc - qcom,sc7180-llcc - qcom,sc7280-llcc @@ -38,11 +39,11 @@ properties: - qcom,x1e80100-llcc reg: - minItems: 2 + minItems: 1 maxItems: 10 reg-names: - minItems: 2 + minItems: 1 maxItems: 10 interrupts: @@ -62,6 +63,21 @@ required: - reg-names allOf: + - if: + properties: + compatible: + contains: + enum: + - qcom,ipq5424-llcc + then: + properties: + reg: + items: + - description: LLCC0 base register region + reg-names: + items: + - const: llcc0_base + - if: properties: compatible: From patchwork Tue Nov 5 10:22:09 2024 Content-Type: text/plain; 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Tue, 5 Nov 2024 10:22:48 GMT Received: from hu-varada-blr.qualcomm.com (10.80.80.8) by nasanex01b.na.qualcomm.com (10.46.141.250) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.9; Tue, 5 Nov 2024 02:22:45 -0800 From: Varadarajan Narayanan To: , , , , , , , CC: Varadarajan Narayanan Subject: [PATCH v2 2/3] soc: qcom: llcc: Update configuration data for IPQ5424 Date: Tue, 5 Nov 2024 15:52:09 +0530 Message-ID: <20241105102210.510025-3-quic_varada@quicinc.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241105102210.510025-1-quic_varada@quicinc.com> References: <20241105102210.510025-1-quic_varada@quicinc.com> Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nasanex01b.na.qualcomm.com (10.46.141.250) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: omhUrQ6ho3pcAR6bV8i0sDa1YyRTtWDW X-Proofpoint-GUID: omhUrQ6ho3pcAR6bV8i0sDa1YyRTtWDW X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.60.29 definitions=2024-09-06_09,2024-09-06_01,2024-09-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 lowpriorityscore=0 mlxlogscore=999 adultscore=0 clxscore=1015 mlxscore=0 phishscore=0 impostorscore=0 suspectscore=0 malwarescore=0 bulkscore=0 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2409260000 definitions=main-2411050078 The 'broadcast' register space is present only in chipsets that have multiple instances of LLCC IP. Since IPQ5424 has only one instance, both the LLCC and LLCC_BROADCAST points to the same register space. Signed-off-by: Varadarajan Narayanan --- v2: Use 'true/false' instead of '1/0' for boolean variables. Add 'no_broadcast_register' to qcom_llcc_config structure to identify SoC without LLCC_BROADCAST register space instead of using 'num_banks'. --- drivers/soc/qcom/llcc-qcom.c | 58 ++++++++++++++++++++++++++++++++++-- 1 file changed, 56 insertions(+), 2 deletions(-) diff --git a/drivers/soc/qcom/llcc-qcom.c b/drivers/soc/qcom/llcc-qcom.c index a470285f54a8..f34d65fdd185 100644 --- a/drivers/soc/qcom/llcc-qcom.c +++ b/drivers/soc/qcom/llcc-qcom.c @@ -140,6 +140,7 @@ struct qcom_llcc_config { bool need_llcc_cfg; bool no_edac; bool irq_configured; + bool no_broadcast_register; }; struct qcom_sct_config { @@ -152,6 +153,38 @@ enum llcc_reg_offset { LLCC_COMMON_STATUS0, }; +static const struct llcc_slice_config ipq5424_data[] = { + { + .usecase_id = LLCC_CPUSS, + .slice_id = 1, + .max_cap = 768, + .priority = 1, + .bonus_ways = 0xFFFF, + .retain_on_pc = true, + .activate_on_init = true, + .write_scid_cacheable_en = true, + .stale_en = true, + .stale_cap_en = true, + .alloc_oneway_en = true, + .ovcap_en = true, + .ovcap_prio = true, + .vict_prio = true, + }, + { + .usecase_id = LLCC_VIDSC0, + .slice_id = 2, + .max_cap = 256, + .priority = 2, + .fixed_size = true, + .bonus_ways = 0xF000, + .retain_on_pc = true, + .activate_on_init = true, + .write_scid_cacheable_en = true, + .stale_en = true, + .stale_cap_en = true, + }, +}; + static const struct llcc_slice_config sa8775p_data[] = { { .usecase_id = LLCC_CPUSS, @@ -2677,6 +2710,17 @@ static const struct qcom_llcc_config qdu1000_cfg[] = { }, }; +static const struct qcom_llcc_config ipq5424_cfg[] = { + { + .sct_data = ipq5424_data, + .size = ARRAY_SIZE(ipq5424_data), + .need_llcc_cfg = true, + .reg_offset = llcc_v2_1_reg_offset, + .edac_reg_offset = &llcc_v2_1_edac_reg_offset, + .no_broadcast_register = true, + }, +}; + static const struct qcom_llcc_config sa8775p_cfg[] = { { .sct_data = sa8775p_data, @@ -2834,6 +2878,11 @@ static const struct qcom_sct_config qdu1000_cfgs = { .num_config = ARRAY_SIZE(qdu1000_cfg), }; +static const struct qcom_sct_config ipq5424_cfgs = { + .llcc_config = ipq5424_cfg, + .num_config = ARRAY_SIZE(ipq5424_cfg), +}; + static const struct qcom_sct_config sa8775p_cfgs = { .llcc_config = sa8775p_cfg, .num_config = ARRAY_SIZE(sa8775p_cfg), @@ -3412,8 +3461,12 @@ static int qcom_llcc_probe(struct platform_device *pdev) drv_data->bcast_regmap = qcom_llcc_init_mmio(pdev, i, "llcc_broadcast_base"); if (IS_ERR(drv_data->bcast_regmap)) { - ret = PTR_ERR(drv_data->bcast_regmap); - goto err; + if (cfg->no_broadcast_register) { + drv_data->bcast_regmap = regmap; + } else { + ret = PTR_ERR(drv_data->bcast_regmap); + goto err; + } } /* Extract version of the IP */ @@ -3485,6 +3538,7 @@ static int qcom_llcc_probe(struct platform_device *pdev) static const struct of_device_id qcom_llcc_of_match[] = { { .compatible = "qcom,qdu1000-llcc", .data = &qdu1000_cfgs}, + { .compatible = "qcom,ipq5424-llcc", .data = &ipq5424_cfgs}, { .compatible = "qcom,sa8775p-llcc", .data = &sa8775p_cfgs }, { .compatible = "qcom,sc7180-llcc", .data = &sc7180_cfgs }, { .compatible = "qcom,sc7280-llcc", .data = &sc7280_cfgs }, From patchwork Tue Nov 5 10:22:10 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Varadarajan Narayanan X-Patchwork-Id: 13862765 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C52141D2226; 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Tue, 05 Nov 2024 10:22:52 +0000 (GMT) Received: from nasanex01b.na.qualcomm.com (nasanex01b.na.qualcomm.com [10.46.141.250]) by NASANPPMTA01.qualcomm.com (8.18.1.2/8.18.1.2) with ESMTPS id 4A5AMpBY032080 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 5 Nov 2024 10:22:51 GMT Received: from hu-varada-blr.qualcomm.com (10.80.80.8) by nasanex01b.na.qualcomm.com (10.46.141.250) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.9; Tue, 5 Nov 2024 02:22:48 -0800 From: Varadarajan Narayanan To: , , , , , , , CC: Varadarajan Narayanan , Konrad Dybcio Subject: [PATCH v2 3/3] arm64: dts: qcom: ipq5424: Add LLCC/system-cache-controller Date: Tue, 5 Nov 2024 15:52:10 +0530 Message-ID: <20241105102210.510025-4-quic_varada@quicinc.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241105102210.510025-1-quic_varada@quicinc.com> References: <20241105102210.510025-1-quic_varada@quicinc.com> Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nasanex01b.na.qualcomm.com (10.46.141.250) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: rjB75U7ht4IuJnANW93IqKh_x4RUR0LH X-Proofpoint-GUID: rjB75U7ht4IuJnANW93IqKh_x4RUR0LH X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.60.29 definitions=2024-09-06_09,2024-09-06_01,2024-09-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 mlxlogscore=617 priorityscore=1501 malwarescore=0 bulkscore=0 lowpriorityscore=0 suspectscore=0 clxscore=1015 phishscore=0 spamscore=0 mlxscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2409260000 definitions=main-2411050078 Add a DT node for Last level cache (aka. system cache) controller which provides control over the last level cache present on IPQ5424 SoCs. Reviewed-by: Konrad Dybcio Signed-off-by: Varadarajan Narayanan --- v2: Add Reviewed-by --- arch/arm64/boot/dts/qcom/ipq5424.dtsi | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/ipq5424.dtsi b/arch/arm64/boot/dts/qcom/ipq5424.dtsi index 76af0d87e9a8..497df93acf47 100644 --- a/arch/arm64/boot/dts/qcom/ipq5424.dtsi +++ b/arch/arm64/boot/dts/qcom/ipq5424.dtsi @@ -137,6 +137,13 @@ soc@0 { #size-cells = <2>; ranges = <0 0 0 0 0x10 0>; + system-cache-controller@800000 { + compatible = "qcom,ipq5424-llcc"; + reg = <0 0x00800000 0 0x200000>; + reg-names = "llcc0_base"; + interrupts = ; + }; + tlmm: pinctrl@1000000 { compatible = "qcom,ipq5424-tlmm"; reg = <0 0x01000000 0 0x300000>;