diff options
| -rw-r--r-- | drivers/pci/controller/dwc/pcie-qcom.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/pci/controller/dwc/pcie-qcom.c b/drivers/pci/controller/dwc/pcie-qcom.c index 9173369cca87..65688e28f10d 100644 --- a/drivers/pci/controller/dwc/pcie-qcom.c +++ b/drivers/pci/controller/dwc/pcie-qcom.c @@ -276,6 +276,7 @@ struct qcom_pcie_perst { struct qcom_pcie_port { struct list_head list; struct phy *phy; + u32 l1ss_t_power_on; struct list_head perst; }; @@ -1349,6 +1350,14 @@ static int qcom_pcie_phy_power_on(struct qcom_pcie *pcie) return 0; } +static void qcom_pcie_configure_ports(struct qcom_pcie *pcie) +{ + struct qcom_pcie_port *port; + + list_for_each_entry(port, &pcie->ports, list) + dw_pcie_program_t_power_on(pcie->pci, port->l1ss_t_power_on); +} + static int qcom_pcie_host_init(struct dw_pcie_rp *pp) { struct dw_pcie *pci = to_dw_pcie_from_pp(pp); @@ -1387,6 +1396,8 @@ static int qcom_pcie_host_init(struct dw_pcie_rp *pp) dw_pcie_remove_capability(pcie->pci, PCI_CAP_ID_MSIX); dw_pcie_remove_ext_capability(pcie->pci, PCI_EXT_CAP_ID_DPC); + qcom_pcie_configure_ports(pcie); + qcom_pcie_perst_deassert(pcie); if (pcie->cfg->ops->config_sid) { @@ -1868,6 +1879,9 @@ static int qcom_pcie_parse_port(struct qcom_pcie *pcie, struct device_node *node if (ret) return ret; + /* TODO: Move to DWC core after multi Root Port support is added */ + of_property_read_u32(node, "t-power-on-us", &port->l1ss_t_power_on); + port->phy = phy; INIT_LIST_HEAD(&port->list); list_add_tail(&port->list, &pcie->ports); |