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path: root/drivers/pci/controller/dwc/pcie-qcom.c
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Diffstat (limited to 'drivers/pci/controller/dwc/pcie-qcom.c')
-rw-r--r--drivers/pci/controller/dwc/pcie-qcom.c26
1 files changed, 22 insertions, 4 deletions
diff --git a/drivers/pci/controller/dwc/pcie-qcom.c b/drivers/pci/controller/dwc/pcie-qcom.c
index ef44a82be058..e4d3366ead1f 100644
--- a/drivers/pci/controller/dwc/pcie-qcom.c
+++ b/drivers/pci/controller/dwc/pcie-qcom.c
@@ -133,6 +133,7 @@
/* PARF_INT_ALL_{STATUS/CLEAR/MASK} register fields */
#define PARF_INT_ALL_LINK_UP BIT(13)
+#define PARF_INT_MSI_DEV_0_7 GENMASK(30, 23)
/* PARF_NO_SNOOP_OVERIDE register fields */
#define WR_NO_SNOOP_OVERIDE_EN BIT(1)
@@ -1364,6 +1365,16 @@ static const struct qcom_pcie_ops ops_1_9_0 = {
.config_sid = qcom_pcie_config_sid_1_9_0,
};
+/* Qcom IP rev.: 1.21.0 Synopsys IP rev.: 5.60a */
+static const struct qcom_pcie_ops ops_1_21_0 = {
+ .get_resources = qcom_pcie_get_resources_2_7_0,
+ .init = qcom_pcie_init_2_7_0,
+ .post_init = qcom_pcie_post_init_2_7_0,
+ .host_post_init = qcom_pcie_host_post_init_2_7_0,
+ .deinit = qcom_pcie_deinit_2_7_0,
+ .ltssm_enable = qcom_pcie_2_3_2_ltssm_enable,
+};
+
/* Qcom IP rev.: 2.9.0 Synopsys IP rev.: 5.00a */
static const struct qcom_pcie_ops ops_2_9_0 = {
.get_resources = qcom_pcie_get_resources_2_9_0,
@@ -1411,7 +1422,7 @@ static const struct qcom_pcie_cfg cfg_2_9_0 = {
};
static const struct qcom_pcie_cfg cfg_sc8280xp = {
- .ops = &ops_1_9_0,
+ .ops = &ops_1_21_0,
.no_l0s = true,
};
@@ -1558,6 +1569,8 @@ static irqreturn_t qcom_pcie_global_irq_thread(int irq, void *data)
pci_lock_rescan_remove();
pci_rescan_bus(pp->bridge->bus);
pci_unlock_rescan_remove();
+
+ qcom_pcie_icc_opp_update(pcie);
} else {
dev_WARN_ONCE(dev, 1, "Received unknown event. INT_STATUS: 0x%08x\n",
status);
@@ -1692,6 +1705,10 @@ static int qcom_pcie_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, pcie);
+ irq = platform_get_irq_byname_optional(pdev, "global");
+ if (irq > 0)
+ pp->use_linkup_irq = true;
+
ret = dw_pcie_host_init(pp);
if (ret) {
dev_err(dev, "cannot initialize host\n");
@@ -1705,7 +1722,6 @@ static int qcom_pcie_probe(struct platform_device *pdev)
goto err_host_deinit;
}
- irq = platform_get_irq_byname_optional(pdev, "global");
if (irq > 0) {
ret = devm_request_threaded_irq(&pdev->dev, irq, NULL,
qcom_pcie_global_irq_thread,
@@ -1716,7 +1732,8 @@ static int qcom_pcie_probe(struct platform_device *pdev)
goto err_host_deinit;
}
- writel_relaxed(PARF_INT_ALL_LINK_UP, pcie->parf + PARF_INT_ALL_MASK);
+ writel_relaxed(PARF_INT_ALL_LINK_UP | PARF_INT_MSI_DEV_0_7,
+ pcie->parf + PARF_INT_ALL_MASK);
}
qcom_pcie_icc_opp_update(pcie);
@@ -1828,6 +1845,7 @@ static const struct of_device_id qcom_pcie_match[] = {
{ .compatible = "qcom,pcie-ipq8064-v2", .data = &cfg_2_1_0 },
{ .compatible = "qcom,pcie-ipq8074", .data = &cfg_2_3_3 },
{ .compatible = "qcom,pcie-ipq8074-gen3", .data = &cfg_2_9_0 },
+ { .compatible = "qcom,pcie-ipq9574", .data = &cfg_2_9_0 },
{ .compatible = "qcom,pcie-msm8996", .data = &cfg_2_3_2 },
{ .compatible = "qcom,pcie-qcs404", .data = &cfg_2_4_0 },
{ .compatible = "qcom,pcie-sa8540p", .data = &cfg_sc8280xp },
@@ -1843,7 +1861,7 @@ static const struct of_device_id qcom_pcie_match[] = {
{ .compatible = "qcom,pcie-sm8450-pcie0", .data = &cfg_1_9_0 },
{ .compatible = "qcom,pcie-sm8450-pcie1", .data = &cfg_1_9_0 },
{ .compatible = "qcom,pcie-sm8550", .data = &cfg_1_9_0 },
- { .compatible = "qcom,pcie-x1e80100", .data = &cfg_1_9_0 },
+ { .compatible = "qcom,pcie-x1e80100", .data = &cfg_sc8280xp },
{ }
};