From patchwork Wed Dec 13 10:12:25 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yanteng Si X-Patchwork-Id: 13490614 X-Patchwork-Delegate: kuba@kernel.org Received: from mail.loongson.cn (mail.loongson.cn [114.242.206.163]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 6B4C0AC for ; Wed, 13 Dec 2023 02:12:43 -0800 (PST) Received: from loongson.cn (unknown [112.20.109.254]) by gateway (Coremail) with SMTP id _____8DxE_Cag3llLqEAAA--.3839S3; Wed, 13 Dec 2023 18:12:42 +0800 (CST) Received: from localhost.localdomain (unknown [112.20.109.254]) by localhost.localdomain (Coremail) with SMTP id AQAAf8CxguOPg3llXjMCAA--.15020S5; Wed, 13 Dec 2023 18:12:41 +0800 (CST) From: Yanteng Si To: andrew@lunn.ch, hkallweit1@gmail.com, peppe.cavallaro@st.com, alexandre.torgue@foss.st.com, joabreu@synopsys.com Cc: Yanteng Si , fancer.lancer@gmail.com, Jose.Abreu@synopsys.com, chenhuacai@loongson.cn, linux@armlinux.org.uk, guyinggang@loongson.cn, netdev@vger.kernel.org, loongarch@lists.linux.dev, chris.chenfeiyang@gmail.com Subject: [PATCH v6 3/9] net: stmmac: dwmac-loongson: Add full PCI support Date: Wed, 13 Dec 2023 18:12:25 +0800 Message-Id: <1c068901222b46bb7bce669b8de8234832a450ec.1702458672.git.siyanteng@loongson.cn> X-Mailer: git-send-email 2.31.4 In-Reply-To: References: Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-CM-TRANSID: AQAAf8CxguOPg3llXjMCAA--.15020S5 X-CM-SenderInfo: pvl1t0pwhqwqxorr0wxvrqhubq/ X-Coremail-Antispam: 1Uk129KBj93XoWxCFyruw4rur1fGryUuFyrKrX_yoWrWFy7pa yfAFyaqr95Wry2gan5XFWUX3WY9rW2v348G3y2k34fuFWYvr4Yqr15tryjvFyxAFZ5u3ya gryjgFWvgF4DuFbCm3ZEXasCq-sJn29KB7ZKAUJUUUU3529EdanIXcx71UUUUU7KY7ZEXa sCq-sGcSsGvfJ3Ic02F40EFcxC0VAKzVAqx4xG6I80ebIjqfuFe4nvWSU5nxnvy29KBjDU 0xBIdaVrnRJUUUBIb4IE77IF4wAFF20E14v26r1j6r4UM7CY07I20VC2zVCF04k26cxKx2 IYs7xG6rWj6s0DM7CIcVAFz4kK6r1a6r1DM28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48v e4kI8wA2z4x0Y4vE2Ix0cI8IcVAFwI0_Xr0_Ar1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI 0_Gr0_Cr1l84ACjcxK6I8E87Iv67AKxVW8Jr0_Cr1UM28EF7xvwVC2z280aVCY1x0267AK xVW8Jr0_Cr1UM2kKe7AKxVWUAVWUtwAS0I0E0xvYzxvE52x082IY62kv0487Mc804VCY07 AIYIkI8VC2zVCFFI0UMc02F40EFcxC0VAKzVAqx4xG6I80ewAv7VC0I7IYx2IY67AKxVWU tVWrXwAv7VC2z280aVAFwI0_Gr0_Cr1lOx8S6xCaFVCjc4AY6r1j6r4UM4x0Y48IcxkI7V AKI48JMxkF7I0En4kS14v26r126r1DMxAIw28IcxkI7VAKI48JMxC20s026xCaFVCjc4AY 6r1j6r4UMxCIbckI1I0E14v26r126r1DMI8I3I0E5I8CrVAFwI0_Jr0_Jr4lx2IqxVCjr7 xvwVAFwI0_JrI_JrWlx4CE17CEb7AF67AKxVWUtVW8ZwCIc40Y0x0EwIxGrwCI42IY6xII jxv20xvE14v26ryj6F1UMIIF0xvE2Ix0cI8IcVCY1x0267AKxVW8JVWxJwCI42IY6xAIw2 0EY4v20xvaj40_Jr0_JF4lIxAIcVC2z280aVAFwI0_Gr0_Cr1lIxAIcVC2z280aVCY1x02 67AKxVW8JVW8JrUvcSsGvfC2KfnxnUUI43ZEXa7IU14v3UUUUUU== X-Patchwork-Delegate: kuba@kernel.org 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 Signed-off-by: Feiyang Chen Signed-off-by: Yinggang Gu --- .../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);