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net: designware: Add support to PCI designware devices

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The Designware ethernet controller is also seen on PCI bus, e.g.
on Intel Quark SoC. Add this support in the DM version driver.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Bin Meng 2015-09-11 03:24:35 -07:00 committed by Simon Glass
parent 1e0f226362
commit 8b7ee66cec
1 changed files with 42 additions and 0 deletions
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42
drivers/net/designware.c
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@ -14,6 +14,7 @@
#include <errno.h>
#include <miiphy.h>
#include <malloc.h>
#include <pci.h>
#include <linux/compiler.h>
#include <linux/err.h>
#include <asm/io.h>
@ -558,6 +559,22 @@ static int designware_eth_write_hwaddr(struct udevice *dev)
return _dw_write_hwaddr(priv, pdata->enetaddr);
}
static int designware_eth_bind(struct udevice *dev)
{
#ifdef CONFIG_DM_PCI
static int num_cards;
char name[20];
/* Create a unique device name for PCI type devices */
if (device_is_on_pci_bus(dev)) {
sprintf(name, "eth_designware#%u", num_cards++);
device_set_name(dev, name);
}
#endif
return 0;
}
static int designware_eth_probe(struct udevice *dev)
{
struct eth_pdata *pdata = dev_get_platdata(dev);
@ -565,6 +582,23 @@ static int designware_eth_probe(struct udevice *dev)
u32 iobase = pdata->iobase;
int ret;
#ifdef CONFIG_DM_PCI
/*
* If we are on PCI bus, either directly attached to a PCI root port,
* or via a PCI bridge, fill in platdata before we probe the hardware.
*/
if (device_is_on_pci_bus(dev)) {
pci_dev_t bdf = pci_get_bdf(dev);
dm_pci_read_config32(dev, PCI_BASE_ADDRESS_0, &iobase);
iobase &= PCI_BASE_ADDRESS_MEM_MASK;
iobase = pci_mem_to_phys(bdf, iobase);
pdata->iobase = iobase;
pdata->phy_interface = PHY_INTERFACE_MODE_RMII;
}
#endif
debug("%s, iobase=%x, priv=%p\n", __func__, iobase, priv);
priv->mac_regs_p = (struct eth_mac_regs *)iobase;
priv->dma_regs_p = (struct eth_dma_regs *)(iobase + DW_DMA_BASE_OFFSET);
@ -617,10 +651,18 @@ U_BOOT_DRIVER(eth_designware) = {
.id = UCLASS_ETH,
.of_match = designware_eth_ids,
.ofdata_to_platdata = designware_eth_ofdata_to_platdata,
.bind = designware_eth_bind,
.probe = designware_eth_probe,
.ops = &designware_eth_ops,
.priv_auto_alloc_size = sizeof(struct dw_eth_dev),
.platdata_auto_alloc_size = sizeof(struct eth_pdata),
.flags = DM_FLAG_ALLOC_PRIV_DMA,
};
static struct pci_device_id supported[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_QRK_EMAC) },
{ }
};
U_BOOT_PCI_DEVICE(eth_designware, supported);
#endif