diff options
Diffstat (limited to 'drivers/pci/controller/dwc/pcie-qcom.c')
-rw-r--r-- | drivers/pci/controller/dwc/pcie-qcom.c | 128 |
1 files changed, 49 insertions, 79 deletions
diff --git a/drivers/pci/controller/dwc/pcie-qcom.c b/drivers/pci/controller/dwc/pcie-qcom.c index 66886dc6e777..f711acacaeaf 100644 --- a/drivers/pci/controller/dwc/pcie-qcom.c +++ b/drivers/pci/controller/dwc/pcie-qcom.c @@ -180,7 +180,7 @@ struct qcom_pcie_resources_2_3_3 { /* 6 clocks typically, 7 for sm8250 */ struct qcom_pcie_resources_2_7_0 { - struct clk_bulk_data clks[9]; + struct clk_bulk_data clks[12]; int num_clks; struct regulator_bulk_data supplies[2]; struct reset_control *pci_reset; @@ -208,17 +208,12 @@ struct qcom_pcie_ops { int (*init)(struct qcom_pcie *pcie); int (*post_init)(struct qcom_pcie *pcie); void (*deinit)(struct qcom_pcie *pcie); - void (*post_deinit)(struct qcom_pcie *pcie); void (*ltssm_enable)(struct qcom_pcie *pcie); int (*config_sid)(struct qcom_pcie *pcie); }; struct qcom_pcie_cfg { const struct qcom_pcie_ops *ops; - unsigned int has_tbu_clk:1; - unsigned int has_ddrss_sf_tbu_clk:1; - unsigned int has_aggre0_clk:1; - unsigned int has_aggre1_clk:1; }; struct qcom_pcie { @@ -1175,6 +1170,7 @@ static int qcom_pcie_get_resources_2_7_0(struct qcom_pcie *pcie) struct qcom_pcie_resources_2_7_0 *res = &pcie->res.v2_7_0; struct dw_pcie *pci = pcie->pci; struct device *dev = pci->dev; + unsigned int num_clks, num_opt_clks; unsigned int idx; int ret; @@ -1195,18 +1191,25 @@ static int qcom_pcie_get_resources_2_7_0(struct qcom_pcie *pcie) res->clks[idx++].id = "bus_master"; res->clks[idx++].id = "bus_slave"; res->clks[idx++].id = "slave_q2a"; - if (pcie->cfg->has_tbu_clk) - res->clks[idx++].id = "tbu"; - if (pcie->cfg->has_ddrss_sf_tbu_clk) - res->clks[idx++].id = "ddrss_sf_tbu"; - if (pcie->cfg->has_aggre0_clk) - res->clks[idx++].id = "aggre0"; - if (pcie->cfg->has_aggre1_clk) - res->clks[idx++].id = "aggre1"; + num_clks = idx; + + ret = devm_clk_bulk_get(dev, num_clks, res->clks); + if (ret < 0) + return ret; + + res->clks[idx++].id = "tbu"; + res->clks[idx++].id = "ddrss_sf_tbu"; + res->clks[idx++].id = "aggre0"; + res->clks[idx++].id = "aggre1"; + res->clks[idx++].id = "noc_aggr_4"; + res->clks[idx++].id = "noc_aggr_south_sf"; + res->clks[idx++].id = "cnoc_qx"; + + num_opt_clks = idx - num_clks; res->num_clks = idx; - ret = devm_clk_bulk_get(dev, res->num_clks, res->clks); + ret = devm_clk_bulk_get_optional(dev, num_opt_clks, res->clks + num_clks); if (ret < 0) return ret; @@ -1509,15 +1512,13 @@ static int qcom_pcie_host_init(struct dw_pcie_rp *pp) if (pcie->cfg->ops->config_sid) { ret = pcie->cfg->ops->config_sid(pcie); if (ret) - goto err; + goto err_assert_reset; } return 0; -err: +err_assert_reset: qcom_ep_reset_assert(pcie); - if (pcie->cfg->ops->post_deinit) - pcie->cfg->ops->post_deinit(pcie); err_disable_phy: phy_power_off(pcie->phy); err_deinit: @@ -1601,68 +1602,35 @@ static const struct qcom_pcie_ops ops_2_9_0 = { .ltssm_enable = qcom_pcie_2_3_2_ltssm_enable, }; -static const struct qcom_pcie_cfg apq8084_cfg = { +static const struct qcom_pcie_cfg cfg_1_0_0 = { .ops = &ops_1_0_0, }; -static const struct qcom_pcie_cfg ipq8064_cfg = { +static const struct qcom_pcie_cfg cfg_1_9_0 = { + .ops = &ops_1_9_0, +}; + +static const struct qcom_pcie_cfg cfg_2_1_0 = { .ops = &ops_2_1_0, }; -static const struct qcom_pcie_cfg msm8996_cfg = { +static const struct qcom_pcie_cfg cfg_2_3_2 = { .ops = &ops_2_3_2, }; -static const struct qcom_pcie_cfg ipq8074_cfg = { +static const struct qcom_pcie_cfg cfg_2_3_3 = { .ops = &ops_2_3_3, }; -static const struct qcom_pcie_cfg ipq4019_cfg = { +static const struct qcom_pcie_cfg cfg_2_4_0 = { .ops = &ops_2_4_0, }; -static const struct qcom_pcie_cfg sdm845_cfg = { +static const struct qcom_pcie_cfg cfg_2_7_0 = { .ops = &ops_2_7_0, - .has_tbu_clk = true, -}; - -static const struct qcom_pcie_cfg sm8150_cfg = { - /* sm8150 has qcom IP rev 1.5.0. However 1.5.0 ops are same as - * 1.9.0, so reuse the same. - */ - .ops = &ops_1_9_0, -}; - -static const struct qcom_pcie_cfg sm8250_cfg = { - .ops = &ops_1_9_0, - .has_tbu_clk = true, - .has_ddrss_sf_tbu_clk = true, -}; - -static const struct qcom_pcie_cfg sm8450_pcie0_cfg = { - .ops = &ops_1_9_0, - .has_ddrss_sf_tbu_clk = true, - .has_aggre0_clk = true, - .has_aggre1_clk = true, -}; - -static const struct qcom_pcie_cfg sm8450_pcie1_cfg = { - .ops = &ops_1_9_0, - .has_ddrss_sf_tbu_clk = true, - .has_aggre1_clk = true, -}; - -static const struct qcom_pcie_cfg sc7280_cfg = { - .ops = &ops_1_9_0, - .has_tbu_clk = true, -}; - -static const struct qcom_pcie_cfg sc8180x_cfg = { - .ops = &ops_1_9_0, - .has_tbu_clk = true, }; -static const struct qcom_pcie_cfg ipq6018_cfg = { +static const struct qcom_pcie_cfg cfg_2_9_0 = { .ops = &ops_2_9_0, }; @@ -1761,22 +1729,24 @@ err_pm_runtime_put: } static const struct of_device_id qcom_pcie_match[] = { - { .compatible = "qcom,pcie-apq8084", .data = &apq8084_cfg }, - { .compatible = "qcom,pcie-ipq8064", .data = &ipq8064_cfg }, - { .compatible = "qcom,pcie-ipq8064-v2", .data = &ipq8064_cfg }, - { .compatible = "qcom,pcie-apq8064", .data = &ipq8064_cfg }, - { .compatible = "qcom,pcie-msm8996", .data = &msm8996_cfg }, - { .compatible = "qcom,pcie-ipq8074", .data = &ipq8074_cfg }, - { .compatible = "qcom,pcie-ipq4019", .data = &ipq4019_cfg }, - { .compatible = "qcom,pcie-qcs404", .data = &ipq4019_cfg }, - { .compatible = "qcom,pcie-sdm845", .data = &sdm845_cfg }, - { .compatible = "qcom,pcie-sm8150", .data = &sm8150_cfg }, - { .compatible = "qcom,pcie-sm8250", .data = &sm8250_cfg }, - { .compatible = "qcom,pcie-sc8180x", .data = &sc8180x_cfg }, - { .compatible = "qcom,pcie-sm8450-pcie0", .data = &sm8450_pcie0_cfg }, - { .compatible = "qcom,pcie-sm8450-pcie1", .data = &sm8450_pcie1_cfg }, - { .compatible = "qcom,pcie-sc7280", .data = &sc7280_cfg }, - { .compatible = "qcom,pcie-ipq6018", .data = &ipq6018_cfg }, + { .compatible = "qcom,pcie-apq8064", .data = &cfg_2_1_0 }, + { .compatible = "qcom,pcie-apq8084", .data = &cfg_1_0_0 }, + { .compatible = "qcom,pcie-ipq4019", .data = &cfg_2_4_0 }, + { .compatible = "qcom,pcie-ipq6018", .data = &cfg_2_9_0 }, + { .compatible = "qcom,pcie-ipq8064", .data = &cfg_2_1_0 }, + { .compatible = "qcom,pcie-ipq8064-v2", .data = &cfg_2_1_0 }, + { .compatible = "qcom,pcie-ipq8074", .data = &cfg_2_3_3 }, + { .compatible = "qcom,pcie-msm8996", .data = &cfg_2_3_2 }, + { .compatible = "qcom,pcie-qcs404", .data = &cfg_2_4_0 }, + { .compatible = "qcom,pcie-sa8540p", .data = &cfg_1_9_0 }, + { .compatible = "qcom,pcie-sc7280", .data = &cfg_1_9_0 }, + { .compatible = "qcom,pcie-sc8180x", .data = &cfg_1_9_0 }, + { .compatible = "qcom,pcie-sc8280xp", .data = &cfg_1_9_0 }, + { .compatible = "qcom,pcie-sdm845", .data = &cfg_2_7_0 }, + { .compatible = "qcom,pcie-sm8150", .data = &cfg_1_9_0 }, + { .compatible = "qcom,pcie-sm8250", .data = &cfg_1_9_0 }, + { .compatible = "qcom,pcie-sm8450-pcie0", .data = &cfg_1_9_0 }, + { .compatible = "qcom,pcie-sm8450-pcie1", .data = &cfg_1_9_0 }, { } }; |