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Subject[PATCH] stmmac: pci: Add support for LS7A bridge chip
Date
Add gmac platform data to support LS7A bridge chip.

Co-developed-by: Hongbin Li <lihongbin@loongson.cn>
Signed-off-by: Hongbin Li <lihongbin@loongson.cn>
Signed-off-by: Zhi Li <lizhi01@loongson.cn>
---
drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c | 22 ++++++++++++++++++++++
1 file changed, 22 insertions(+)

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c
index 272cb47..dab2a40 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c
@@ -138,6 +138,24 @@ static const struct stmmac_pci_info snps_gmac5_pci_info = {
.setup = snps_gmac5_default_data,
};

+static int loongson_default_data(struct pci_dev *pdev, struct plat_stmmacenent_data *plat)
+{
+ common_default_data(plat);
+
+ plat->bus_id = pci_dev_id(pdev);
+ plat->phy_addr = 0;
+ plat->interface = PHY_INTERFACE_MODE_GMII;
+
+ plat->dma_cfg->pbl = 32;
+ plat->dma_cfg->pblx8 = true;
+
+ return 0;
+}
+
+static struct stmmac_pci_info loongson_pci_info = {
+ .setup = loongson_default_data;
+};
+
/**
* stmmac_pci_probe
*
@@ -204,6 +222,8 @@ static int stmmac_pci_probe(struct pci_dev *pdev,
res.addr = pcim_iomap_table(pdev)[i];
res.wol_irq = pdev->irq;
res.irq = pdev->irq;
+ if (pdev->vendor == PCI_VENDOR_ID_LOONGSON)
+ res.lpi_irq = pdev->irq + 1;

return stmmac_dvr_probe(&pdev->dev, plat, &res);
}
@@ -273,11 +293,13 @@ static SIMPLE_DEV_PM_OPS(stmmac_pm_ops, stmmac_pci_suspend, stmmac_pci_resume);

#define PCI_DEVICE_ID_STMMAC_STMMAC 0x1108
#define PCI_DEVICE_ID_SYNOPSYS_GMAC5_ID 0x7102
+#define PCI_DEVICE_ID_LOONGSON_GMAC 0x7a03

static const struct pci_device_id stmmac_id_table[] = {
{ PCI_DEVICE_DATA(STMMAC, STMMAC, &stmmac_pci_info) },
{ PCI_DEVICE_DATA(STMICRO, MAC, &stmmac_pci_info) },
{ PCI_DEVICE_DATA(SYNOPSYS, GMAC5_ID, &snps_gmac5_pci_info) },
+ { PCI_DEVICE_DATA(LOONGSON, GMAC, &loongson_pci_info) },
{}
};

--
2.1.0
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