Message ID | 1441283853-30868-10-git-send-email-bmeng.cn@gmail.com |
---|---|
State | Superseded |
Delegated to: | Simon Glass |
Headers | show |
Hi Joe, On 3 September 2015 at 06:37, Bin Meng <bmeng.cn@gmail.com> wrote: > 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> > > --- > > Changes in v4: None > Changes in v3: > - Change to use dm_pci_read_config32() > > Changes in v2: > - Change to use device_is_on_pci_bus() > > drivers/net/designware.c | 38 ++++++++++++++++++++++++++++++++++++++ > 1 file changed, 38 insertions(+) Reviewed-by: Simon Glass <sjg@chromium.org> Does this patch look OK to you? Bin, perhaps (later) we should add a dm_pci_mem_to_phys(struct udevice *...) ? > > diff --git a/drivers/net/designware.c b/drivers/net/designware.c > index ae78d21..d45340c 100644 > --- a/drivers/net/designware.c > +++ b/drivers/net/designware.c > @@ -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 +559,20 @@ static int designware_eth_write_hwaddr(struct udevice *dev) > return _dw_write_hwaddr(priv, pdata->enetaddr); > } > > +static int designware_eth_bind(struct udevice *dev) > +{ > + 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); > + } > + > + return 0; > +} > + > static int designware_eth_probe(struct udevice *dev) > { > struct eth_pdata *pdata = dev_get_platdata(dev); > @@ -565,6 +580,21 @@ static int designware_eth_probe(struct udevice *dev) > u32 iobase = pdata->iobase; > int ret; > > + /* > + * 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; > + } > + > 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 +647,18 @@ 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 > -- > 1.8.2.1 > Regards, Simon
Hi Simon, On Fri, Sep 4, 2015 at 8:43 AM, Simon Glass <sjg@chromium.org> wrote: > Hi Joe, > > On 3 September 2015 at 06:37, Bin Meng <bmeng.cn@gmail.com> wrote: >> 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> >> >> --- >> >> Changes in v4: None >> Changes in v3: >> - Change to use dm_pci_read_config32() >> >> Changes in v2: >> - Change to use device_is_on_pci_bus() >> >> drivers/net/designware.c | 38 ++++++++++++++++++++++++++++++++++++++ >> 1 file changed, 38 insertions(+) > > Reviewed-by: Simon Glass <sjg@chromium.org> > > Does this patch look OK to you? > > Bin, perhaps (later) we should add a dm_pci_mem_to_phys(struct udevice *...) ? Yes, I think so. > >> >> diff --git a/drivers/net/designware.c b/drivers/net/designware.c >> index ae78d21..d45340c 100644 >> --- a/drivers/net/designware.c >> +++ b/drivers/net/designware.c >> @@ -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 +559,20 @@ static int designware_eth_write_hwaddr(struct udevice *dev) >> return _dw_write_hwaddr(priv, pdata->enetaddr); >> } >> >> +static int designware_eth_bind(struct udevice *dev) >> +{ >> + 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); >> + } >> + >> + return 0; >> +} >> + >> static int designware_eth_probe(struct udevice *dev) >> { >> struct eth_pdata *pdata = dev_get_platdata(dev); >> @@ -565,6 +580,21 @@ static int designware_eth_probe(struct udevice *dev) >> u32 iobase = pdata->iobase; >> int ret; >> >> + /* >> + * 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; >> + } >> + >> 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 +647,18 @@ 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 >> -- Regards, Bin
diff --git a/drivers/net/designware.c b/drivers/net/designware.c index ae78d21..d45340c 100644 --- a/drivers/net/designware.c +++ b/drivers/net/designware.c @@ -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 +559,20 @@ static int designware_eth_write_hwaddr(struct udevice *dev) return _dw_write_hwaddr(priv, pdata->enetaddr); } +static int designware_eth_bind(struct udevice *dev) +{ + 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); + } + + return 0; +} + static int designware_eth_probe(struct udevice *dev) { struct eth_pdata *pdata = dev_get_platdata(dev); @@ -565,6 +580,21 @@ static int designware_eth_probe(struct udevice *dev) u32 iobase = pdata->iobase; int ret; + /* + * 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; + } + 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 +647,18 @@ 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
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> --- Changes in v4: None Changes in v3: - Change to use dm_pci_read_config32() Changes in v2: - Change to use device_is_on_pci_bus() drivers/net/designware.c | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+)