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Message-Id: <b43293919f4ddb869a795e41266f7c3107f79faf.1702990507.git.siyanteng@loongson.cn> Date: Tue, 19 Dec 2023 22:17:06 +0800 From: Yanteng Si <siyanteng@...ngson.cn> To: andrew@...n.ch, hkallweit1@...il.com, peppe.cavallaro@...com, alexandre.torgue@...s.st.com, joabreu@...opsys.com Cc: Yanteng Si <siyanteng@...ngson.cn>, fancer.lancer@...il.com, Jose.Abreu@...opsys.com, chenhuacai@...ngson.cn, linux@...linux.org.uk, guyinggang@...ngson.cn, netdev@...r.kernel.org, chris.chenfeiyang@...il.com Subject: [PATCH net-next v7 3/9] net: stmmac: dwmac-loongson: Add full PCI support Current dwmac-loongson only support LS2K in the "probed with PCI and configured with DT" manner. Add LS7A support on which the devices are fully PCI (non-DT). Signed-off-by: Yanteng Si <siyanteng@...ngson.cn> Signed-off-by: Feiyang Chen <chenfeiyang@...ngson.cn> Signed-off-by: Yinggang Gu <guyinggang@...ngson.cn> --- .../ethernet/stmicro/stmmac/dwmac-loongson.c | 79 ++++++++++--------- 1 file changed, 43 insertions(+), 36 deletions(-) diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c index 56d1fd8c61e1..0d79104d7fd3 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c @@ -16,6 +16,10 @@ struct stmmac_pci_info { static void loongson_default_data(struct pci_dev *pdev, struct plat_stmmacenet_data *plat) { + /* Get bus_id, this can be overloaded later */ + plat->bus_id = (pci_domain_nr(pdev->bus) << 16) | + PCI_DEVID(pdev->bus->number, pdev->devfn); + plat->clk_csr = 2; /* clk_csr_i = 20-35MHz & MDC = clk_csr_i/16 */ plat->has_gmac = 1; plat->force_sf_dma_mode = 1; @@ -56,6 +60,9 @@ static int loongson_gmac_data(struct pci_dev *pdev, plat->dma_cfg->pbl = 32; plat->dma_cfg->pblx8 = true; + plat->clk_ref_rate = 125000000; + plat->clk_ptp_rate = 125000000; + return 0; } @@ -72,13 +79,6 @@ static int loongson_dwmac_probe(struct pci_dev *pdev, struct stmmac_resources res; struct device_node *np; - np = dev_of_node(&pdev->dev); - - if (!np) { - pr_info("dwmac_loongson_pci: No OF node\n"); - return -ENODEV; - } - plat = devm_kzalloc(&pdev->dev, sizeof(*plat), GFP_KERNEL); if (!plat) return -ENOMEM; @@ -94,6 +94,7 @@ static int loongson_dwmac_probe(struct pci_dev *pdev, if (!plat->dma_cfg) return -ENOMEM; + np = dev_of_node(&pdev->dev); plat->mdio_node = of_get_child_by_name(np, "mdio"); if (plat->mdio_node) { dev_info(&pdev->dev, "Found MDIO subnode\n"); @@ -125,42 +126,48 @@ static int loongson_dwmac_probe(struct pci_dev *pdev, if (ret) goto err_disable_device; - bus_id = of_alias_get_id(np, "ethernet"); - if (bus_id >= 0) - plat->bus_id = bus_id; + if (np) { + bus_id = of_alias_get_id(np, "ethernet"); + if (bus_id >= 0) + plat->bus_id = bus_id; - phy_mode = device_get_phy_mode(&pdev->dev); - if (phy_mode < 0) { - dev_err(&pdev->dev, "phy_mode not found\n"); - ret = phy_mode; - goto err_disable_device; + phy_mode = device_get_phy_mode(&pdev->dev); + if (phy_mode < 0) { + dev_err(&pdev->dev, "phy_mode not found\n"); + ret = phy_mode; + goto err_disable_device; + } + plat->phy_interface = phy_mode; } - plat->phy_interface = phy_mode; - pci_enable_msi(pdev); memset(&res, 0, sizeof(res)); res.addr = pcim_iomap_table(pdev)[0]; - res.irq = of_irq_get_byname(np, "macirq"); - if (res.irq < 0) { - dev_err(&pdev->dev, "IRQ macirq not found\n"); - ret = -ENODEV; - goto err_disable_msi; - } - - res.wol_irq = of_irq_get_byname(np, "eth_wake_irq"); - if (res.wol_irq < 0) { - dev_info(&pdev->dev, - "IRQ eth_wake_irq not found, using macirq\n"); - res.wol_irq = res.irq; - } - - res.lpi_irq = of_irq_get_byname(np, "eth_lpi"); - if (res.lpi_irq < 0) { - dev_err(&pdev->dev, "IRQ eth_lpi not found\n"); - ret = -ENODEV; - goto err_disable_msi; + if (np) { + res.irq = of_irq_get_byname(np, "macirq"); + if (res.irq < 0) { + dev_err(&pdev->dev, "IRQ macirq not found\n"); + ret = -ENODEV; + goto err_disable_msi; + } + + res.wol_irq = of_irq_get_byname(np, "eth_wake_irq"); + if (res.wol_irq < 0) { + dev_info(&pdev->dev, + "IRQ eth_wake_irq not found, using macirq\n"); + res.wol_irq = res.irq; + } + + res.lpi_irq = of_irq_get_byname(np, "eth_lpi"); + if (res.lpi_irq < 0) { + dev_err(&pdev->dev, "IRQ eth_lpi not found\n"); + ret = -ENODEV; + goto err_disable_msi; + } + } else { + res.irq = pdev->irq; + res.wol_irq = pdev->irq; } ret = stmmac_dvr_probe(&pdev->dev, plat, &res); -- 2.31.4
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