linux-kernel - [PATCH v1 2/3] soc: qcom: llcc: Update configuration data for IPQ5424

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20241104073840.3686674-3-quic_varada@quicinc.com>
Date: Mon, 4 Nov 2024 13:08:39 +0530
From: Varadarajan Narayanan <quic_varada@...cinc.com>
To: <andersson@...nel.org>, <konradybcio@...nel.org>, <conor@...nel.org>,
        <robh@...nel.org>, <krzk+dt@...nel.org>,
        <linux-arm-msm@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
CC: Varadarajan Narayanan <quic_varada@...cinc.com>
Subject: [PATCH v1 2/3] soc: qcom: llcc: Update configuration data for IPQ5424

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 <quic_varada@...cinc.com>
---
 drivers/soc/qcom/llcc-qcom.c | 60 +++++++++++++++++++++++++++++++++---
 1 file changed, 56 insertions(+), 4 deletions(-)

diff --git a/drivers/soc/qcom/llcc-qcom.c b/drivers/soc/qcom/llcc-qcom.c
index a470285f54a8..51dba8ec2183 100644
--- a/drivers/soc/qcom/llcc-qcom.c
+++ b/drivers/soc/qcom/llcc-qcom.c
@@ -152,6 +152,38 @@ 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 = 1,
+		.activate_on_init = 1,
+		.write_scid_cacheable_en = 1,
+		.stale_en = 1,
+		.stale_cap_en = 1,
+		.alloc_oneway_en = 1,
+		.ovcap_en = 1,
+		.ovcap_prio = 1,
+		.vict_prio = 1,
+	},
+	{
+		.usecase_id = LLCC_VIDSC0,
+		.slice_id = 2,
+		.max_cap = 256,
+		.priority = 2,
+		.fixed_size = 1,
+		.bonus_ways = 0xF000,
+		.retain_on_pc = 1,
+		.activate_on_init = 1,
+		.write_scid_cacheable_en = 1,
+		.stale_en = 1,
+		.stale_cap_en = 1,
+	},
+};
+
 static const struct llcc_slice_config sa8775p_data[] =  {
 	{
 		.usecase_id = LLCC_CPUSS,
@@ -2677,6 +2709,16 @@ 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,
+	},
+};
+
 static const struct qcom_llcc_config sa8775p_cfg[] = {
 	{
 		.sct_data	= sa8775p_data,
@@ -2834,6 +2876,11 @@ 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),
@@ -3410,10 +3457,14 @@ 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 (num_banks == 1) {
+		drv_data->bcast_regmap = regmap;
+	} else {
+		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;
+		}
 	}
 
 	/* Extract version of the IP */
@@ -3485,6 +3536,7 @@ 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 },
-- 
2.34.1