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net: macb: Added PCI wrapper for Platform Driver.

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There are hardware PCI implementations of Cadence GEM network
controller. This patch will allow to use such hardware with reuse of
existing Platform Driver.

Signed-off-by: Bartosz Folta <bfolta@cadence.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Bartosz Folta
2016-12-14 06:39:15 +00:00
committed by David S. Miller
parent 94acf164dc
commit 83a77e9ec4
5 changed files with 195 additions and 5 deletions
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31
drivers/net/ethernet/cadence/macb.c
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@@ -404,6 +404,8 @@ static int macb_mii_probe(struct net_device *dev)
phy_irq = gpio_to_irq(pdata->phy_irq_pin);
phydev->irq = (phy_irq < 0) ? PHY_POLL : phy_irq;
}
} else {
phydev->irq = PHY_POLL;
}
/* attach the mac to the phy */
@@ -482,6 +484,9 @@ static int macb_mii_init(struct macb *bp)
goto err_out_unregister_bus;
}
} else {
for (i = 0; i < PHY_MAX_ADDR; i++)
bp->mii_bus->irq[i] = PHY_POLL;
if (pdata)
bp->mii_bus->phy_mask = pdata->phy_mask;
@@ -2523,16 +2528,24 @@ static int macb_clk_init(struct platform_device *pdev, struct clk **pclk,
struct clk **hclk, struct clk **tx_clk,
struct clk **rx_clk)
{
struct macb_platform_data *pdata;
int err;
*pclk = devm_clk_get(&pdev->dev, "pclk");
pdata = dev_get_platdata(&pdev->dev);
if (pdata) {
*pclk = pdata->pclk;
*hclk = pdata->hclk;
} else {
*pclk = devm_clk_get(&pdev->dev, "pclk");
*hclk = devm_clk_get(&pdev->dev, "hclk");
}
if (IS_ERR(*pclk)) {
err = PTR_ERR(*pclk);
dev_err(&pdev->dev, "failed to get macb_clk (%u)\n", err);
return err;
}
*hclk = devm_clk_get(&pdev->dev, "hclk");
if (IS_ERR(*hclk)) {
err = PTR_ERR(*hclk);
dev_err(&pdev->dev, "failed to get hclk (%u)\n", err);
@@ -3107,15 +3120,23 @@ static const struct of_device_id macb_dt_ids[] = {
MODULE_DEVICE_TABLE(of, macb_dt_ids);
#endif /* CONFIG_OF */
static const struct macb_config default_gem_config = {
.caps = MACB_CAPS_GIGABIT_MODE_AVAILABLE | MACB_CAPS_JUMBO,
.dma_burst_length = 16,
.clk_init = macb_clk_init,
.init = macb_init,
.jumbo_max_len = 10240,
};
static int macb_probe(struct platform_device *pdev)
{
const struct macb_config *macb_config = &default_gem_config;
int (*clk_init)(struct platform_device *, struct clk **,
struct clk **, struct clk **, struct clk **)
= macb_clk_init;
int (*init)(struct platform_device *) = macb_init;
= macb_config->clk_init;
int (*init)(struct platform_device *) = macb_config->init;
struct device_node *np = pdev->dev.of_node;
struct device_node *phy_node;
const struct macb_config *macb_config = NULL;
struct clk *pclk, *hclk = NULL, *tx_clk = NULL, *rx_clk = NULL;
unsigned int queue_mask, num_queues;
struct macb_platform_data *pdata;