| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-Id: <d3bad82c41964925f9284ccdd8ec07160cac5519.1714046812.git.siyanteng@loongson.cn>
Date: Thu, 25 Apr 2024 21:10:35 +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,
fancer.lancer@...il.com
Cc: Yanteng Si <siyanteng@...ngson.cn>,
Jose.Abreu@...opsys.com,
chenhuacai@...nel.org,
linux@...linux.org.uk,
guyinggang@...ngson.cn,
netdev@...r.kernel.org,
chris.chenfeiyang@...il.com,
siyanteng01@...il.com
Subject: [PATCH net-next v12 10/15] 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).
Others:
LS2K is a SoC and LS7A is a bridge chip.
Signed-off-by: Feiyang Chen <chenfeiyang@...ngson.cn>
Signed-off-by: Yinggang Gu <guyinggang@...ngson.cn>
Signed-off-by: Yanteng Si <siyanteng@...ngson.cn>
---
.../ethernet/stmicro/stmmac/dwmac-loongson.c | 113 ++++++++++--------
1 file changed, 65 insertions(+), 48 deletions(-)
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c
index e989cb835340..1022bceaa680 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c
@@ -11,8 +11,17 @@
#define PCI_DEVICE_ID_LOONGSON_GMAC 0x7a03
-static void loongson_default_data(struct plat_stmmacenet_data *plat)
+struct stmmac_pci_info {
+ int (*setup)(struct pci_dev *pdev, struct plat_stmmacenet_data *plat);
+};
+
+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;
@@ -44,9 +53,10 @@ static void loongson_default_data(struct plat_stmmacenet_data *plat)
plat->multicast_filter_bins = 256;
}
-static int loongson_gmac_data(struct plat_stmmacenet_data *plat)
+static int loongson_gmac_data(struct pci_dev *pdev,
+ struct plat_stmmacenet_data *plat)
{
- loongson_default_data(plat);
+ loongson_default_data(pdev, plat);
plat->mdio_bus_data->phy_mask = 0;
plat->phy_interface = PHY_INTERFACE_MODE_RGMII_ID;
@@ -54,20 +64,20 @@ static int loongson_gmac_data(struct plat_stmmacenet_data *plat)
return 0;
}
+static struct stmmac_pci_info loongson_gmac_pci_info = {
+ .setup = loongson_gmac_data,
+};
+
static int loongson_dwmac_probe(struct pci_dev *pdev, const struct pci_device_id *id)
{
struct plat_stmmacenet_data *plat;
+ int ret, i, bus_id, phy_mode;
+ struct stmmac_pci_info *info;
struct stmmac_resources res;
struct device_node *np;
- int ret, i, phy_mode;
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;
@@ -78,12 +88,6 @@ static int loongson_dwmac_probe(struct pci_dev *pdev, const struct pci_device_id
if (!plat->mdio_bus_data)
return -ENOMEM;
- plat->mdio_node = of_get_child_by_name(np, "mdio");
- if (plat->mdio_node) {
- dev_info(&pdev->dev, "Found MDIO subnode\n");
- plat->mdio_bus_data->needs_reset = true;
- }
-
plat->dma_cfg = devm_kzalloc(&pdev->dev, sizeof(*plat->dma_cfg), GFP_KERNEL);
if (!plat->dma_cfg) {
ret = -ENOMEM;
@@ -107,46 +111,59 @@ static int loongson_dwmac_probe(struct pci_dev *pdev, const struct pci_device_id
break;
}
- plat->bus_id = of_alias_get_id(np, "ethernet");
- if (plat->bus_id < 0)
- plat->bus_id = pci_dev_id(pdev);
+ pci_set_master(pdev);
- phy_mode = device_get_phy_mode(&pdev->dev);
- if (phy_mode < 0) {
- dev_err(&pdev->dev, "phy_mode not found\n");
- ret = phy_mode;
+ info = (struct stmmac_pci_info *)id->driver_data;
+ ret = info->setup(pdev, plat);
+ if (ret)
goto err_disable_device;
- }
- plat->phy_interface = phy_mode;
-
- pci_set_master(pdev);
+ if (np) {
+ plat->mdio_node = of_get_child_by_name(np, "mdio");
+ if (plat->mdio_node) {
+ dev_info(&pdev->dev, "Found MDIO subnode\n");
+ plat->mdio_bus_data->needs_reset = true;
+ }
+
+ 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;
+ }
+ plat->phy_interface = phy_mode;
+
+ 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;
+ }
- loongson_gmac_data(plat);
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;
- }
-
plat->tx_queues_to_use = 1;
plat->rx_queues_to_use = 1;
@@ -224,7 +241,7 @@ static SIMPLE_DEV_PM_OPS(loongson_dwmac_pm_ops, loongson_dwmac_suspend,
loongson_dwmac_resume);
static const struct pci_device_id loongson_dwmac_id_table[] = {
- { PCI_DEVICE_DATA(LOONGSON, GMAC, NULL) },
+ { PCI_DEVICE_DATA(LOONGSON, GMAC, &loongson_gmac_pci_info) },
{}
};
MODULE_DEVICE_TABLE(pci, loongson_dwmac_id_table);
--
2.31.4
Powered by blists - more mailing lists