diff options
Diffstat (limited to 'drivers/pci/controller/dwc')
-rw-r--r-- | drivers/pci/controller/dwc/pcie-qcom.c | 18 |
1 files changed, 8 insertions, 10 deletions
diff --git a/drivers/pci/controller/dwc/pcie-qcom.c b/drivers/pci/controller/dwc/pcie-qcom.c index fe7fc2ccd76d..d8d1fb7e0b8f 100644 --- a/drivers/pci/controller/dwc/pcie-qcom.c +++ b/drivers/pci/controller/dwc/pcie-qcom.c @@ -67,10 +67,6 @@ #define PCIE20_AXI_MSTR_RESP_COMP_CTRL1 0x81c #define CFG_BRIDGE_SB_INIT BIT(0) -#define PCIE20_CAP 0x70 -#define PCIE20_DEVICE_CONTROL2_STATUS2 (PCIE20_CAP + PCI_EXP_DEVCTL2) -#define PCIE20_CAP_LINK_CAPABILITIES (PCIE20_CAP + PCI_EXP_LNKCAP) -#define PCIE20_CAP_LINK_1 (PCIE20_CAP + 0x14) #define PCIE_CAP_LINK1_VAL 0x2FD7F #define PCIE20_PARF_Q2A_FLUSH 0x1AC @@ -1017,6 +1013,7 @@ static int qcom_pcie_init_2_3_3(struct qcom_pcie *pcie) struct qcom_pcie_resources_2_3_3 *res = &pcie->res.v2_3_3; struct dw_pcie *pci = pcie->pci; struct device *dev = pci->dev; + u16 offset = dw_pcie_find_capability(pci, PCI_CAP_ID_EXP); int i, ret; u32 val; @@ -1092,14 +1089,14 @@ static int qcom_pcie_init_2_3_3(struct qcom_pcie *pcie) writel(PCI_COMMAND_MASTER, pci->dbi_base + PCI_COMMAND); writel(DBI_RO_WR_EN, pci->dbi_base + PCIE20_MISC_CONTROL_1_REG); - writel(PCIE_CAP_LINK1_VAL, pci->dbi_base + PCIE20_CAP_LINK_1); + writel(PCIE_CAP_LINK1_VAL, pci->dbi_base + offset + PCI_EXP_SLTCAP); - val = readl(pci->dbi_base + PCIE20_CAP_LINK_CAPABILITIES); + val = readl(pci->dbi_base + offset + PCI_EXP_LNKCAP); val &= ~PCI_EXP_LNKCAP_ASPMS; - writel(val, pci->dbi_base + PCIE20_CAP_LINK_CAPABILITIES); + writel(val, pci->dbi_base + offset + PCI_EXP_LNKCAP); - writel(PCI_EXP_DEVCTL2_COMP_TMOUT_DIS, pci->dbi_base + - PCIE20_DEVICE_CONTROL2_STATUS2); + writel(PCI_EXP_DEVCTL2_COMP_TMOUT_DIS, pci->dbi_base + offset + + PCI_EXP_DEVCTL2); return 0; @@ -1252,7 +1249,8 @@ static void qcom_pcie_post_deinit_2_7_0(struct qcom_pcie *pcie) static int qcom_pcie_link_up(struct dw_pcie *pci) { - u16 val = readw(pci->dbi_base + PCIE20_CAP + PCI_EXP_LNKSTA); + u16 offset = dw_pcie_find_capability(pci, PCI_CAP_ID_EXP); + u16 val = readw(pci->dbi_base + offset + PCI_EXP_LNKSTA); return !!(val & PCI_EXP_LNKSTA_DLLLA); } |