diff options
Diffstat (limited to 'drivers/pci/dwc/pcie-hisi.c')
| -rw-r--r-- | drivers/pci/dwc/pcie-hisi.c | 55 |
1 files changed, 33 insertions, 22 deletions
diff --git a/drivers/pci/dwc/pcie-hisi.c b/drivers/pci/dwc/pcie-hisi.c index ecc1b08ff8e0..386467a4f00f 100644 --- a/drivers/pci/dwc/pcie-hisi.c +++ b/drivers/pci/dwc/pcie-hisi.c @@ -127,7 +127,7 @@ struct pci_ecam_ops hisi_pcie_ops = { #define PCIE_LTSSM_LINKUP_STATE 0x11 #define PCIE_LTSSM_STATE_MASK 0x3F -#define to_hisi_pcie(x) container_of(x, struct hisi_pcie, pp) +#define to_hisi_pcie(x) dev_get_drvdata((x)->dev) struct hisi_pcie; @@ -136,7 +136,7 @@ struct pcie_soc_ops { }; struct hisi_pcie { - struct pcie_port pp; /* pp.dbi_base is DT rc_dbi */ + struct dw_pcie *pci; struct regmap *subctrl; u32 port_id; struct pcie_soc_ops *soc_ops; @@ -149,10 +149,11 @@ static int hisi_pcie_cfg_read(struct pcie_port *pp, int where, int size, u32 reg; u32 reg_val; void *walker = ®_val; + struct dw_pcie *pci = to_dw_pcie_from_pp(pp); walker += (where & 0x3); reg = where & ~0x3; - reg_val = dw_pcie_readl_rc(pp, reg); + reg_val = dw_pcie_readl_dbi(pci, reg); if (size == 1) *val = *(u8 __force *) walker; @@ -173,19 +174,20 @@ static int hisi_pcie_cfg_write(struct pcie_port *pp, int where, int size, u32 reg_val; u32 reg; void *walker = ®_val; + struct dw_pcie *pci = to_dw_pcie_from_pp(pp); walker += (where & 0x3); reg = where & ~0x3; if (size == 4) - dw_pcie_writel_rc(pp, reg, val); + dw_pcie_writel_dbi(pci, reg, val); else if (size == 2) { - reg_val = dw_pcie_readl_rc(pp, reg); + reg_val = dw_pcie_readl_dbi(pci, reg); *(u16 __force *) walker = val; - dw_pcie_writel_rc(pp, reg, reg_val); + dw_pcie_writel_dbi(pci, reg, reg_val); } else if (size == 1) { - reg_val = dw_pcie_readl_rc(pp, reg); + reg_val = dw_pcie_readl_dbi(pci, reg); *(u8 __force *) walker = val; - dw_pcie_writel_rc(pp, reg, reg_val); + dw_pcie_writel_dbi(pci, reg, reg_val); } else return PCIBIOS_BAD_REGISTER_NUMBER; @@ -204,32 +206,32 @@ static int hisi_pcie_link_up_hip05(struct hisi_pcie *hisi_pcie) static int hisi_pcie_link_up_hip06(struct hisi_pcie *hisi_pcie) { - struct pcie_port *pp = &hisi_pcie->pp; + struct dw_pcie *pci = hisi_pcie->pci; u32 val; - val = dw_pcie_readl_rc(pp, PCIE_SYS_STATE4); + val = dw_pcie_readl_dbi(pci, PCIE_SYS_STATE4); return ((val & PCIE_LTSSM_STATE_MASK) == PCIE_LTSSM_LINKUP_STATE); } -static int hisi_pcie_link_up(struct pcie_port *pp) +static int hisi_pcie_link_up(struct dw_pcie *pci) { - struct hisi_pcie *hisi_pcie = to_hisi_pcie(pp); + struct hisi_pcie *hisi_pcie = to_hisi_pcie(pci); return hisi_pcie->soc_ops->hisi_pcie_link_up(hisi_pcie); } -static struct pcie_host_ops hisi_pcie_host_ops = { +static struct dw_pcie_host_ops hisi_pcie_host_ops = { .rd_own_conf = hisi_pcie_cfg_read, .wr_own_conf = hisi_pcie_cfg_write, - .link_up = hisi_pcie_link_up, }; static int hisi_add_pcie_port(struct hisi_pcie *hisi_pcie, struct platform_device *pdev) { - struct pcie_port *pp = &hisi_pcie->pp; - struct device *dev = pp->dev; + struct dw_pcie *pci = hisi_pcie->pci; + struct pcie_port *pp = &pci->pp; + struct device *dev = &pdev->dev; int ret; u32 port_id; @@ -254,11 +256,15 @@ static int hisi_add_pcie_port(struct hisi_pcie *hisi_pcie, return 0; } +static const struct dw_pcie_ops dw_pcie_ops = { + .link_up = hisi_pcie_link_up, +}; + static int hisi_pcie_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; + struct dw_pcie *pci; struct hisi_pcie *hisi_pcie; - struct pcie_port *pp; const struct of_device_id *match; struct resource *reg; struct device_driver *driver; @@ -268,8 +274,13 @@ static int hisi_pcie_probe(struct platform_device *pdev) if (!hisi_pcie) return -ENOMEM; - pp = &hisi_pcie->pp; - pp->dev = dev; + pci = devm_kzalloc(dev, sizeof(*pci), GFP_KERNEL); + if (!pci) + return -ENOMEM; + + pci->dev = dev; + pci->ops = &dw_pcie_ops; + driver = dev->driver; match = of_match_device(driver->of_match_table, dev); @@ -283,9 +294,9 @@ static int hisi_pcie_probe(struct platform_device *pdev) } reg = platform_get_resource_byname(pdev, IORESOURCE_MEM, "rc_dbi"); - pp->dbi_base = devm_ioremap_resource(dev, reg); - if (IS_ERR(pp->dbi_base)) - return PTR_ERR(pp->dbi_base); + pci->dbi_base = devm_ioremap_resource(dev, reg); + if (IS_ERR(pci->dbi_base)) + return PTR_ERR(pci->dbi_base); platform_set_drvdata(pdev, hisi_pcie); |