diff options
Diffstat (limited to 'drivers/net/pch_gbe.c')
| -rw-r--r-- | drivers/net/pch_gbe.c | 133 |
1 files changed, 73 insertions, 60 deletions
diff --git a/drivers/net/pch_gbe.c b/drivers/net/pch_gbe.c index a03bdc0630..004fcf88c2 100644 --- a/drivers/net/pch_gbe.c +++ b/drivers/net/pch_gbe.c @@ -7,10 +7,10 @@ */ #include <common.h> +#include <dm.h> #include <errno.h> #include <asm/io.h> #include <pci.h> -#include <malloc.h> #include <miiphy.h> #include "pch_gbe.h" @@ -19,7 +19,7 @@ #endif static struct pci_device_id supported[] = { - { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_TCF_GBE }, + { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_TCF_GBE) }, { } }; @@ -62,9 +62,10 @@ static int pch_gbe_mac_write(struct pch_gbe_regs *mac_regs, u8 *addr) return -ETIME; } -static int pch_gbe_reset(struct eth_device *dev) +static int pch_gbe_reset(struct udevice *dev) { - struct pch_gbe_priv *priv = dev->priv; + struct pch_gbe_priv *priv = dev_get_priv(dev); + struct eth_pdata *plat = dev_get_platdata(dev); struct pch_gbe_regs *mac_regs = priv->mac_regs; ulong start; @@ -97,7 +98,7 @@ static int pch_gbe_reset(struct eth_device *dev) * so we have to reload MAC address here in order to * make linux pch_gbe driver happy. */ - return pch_gbe_mac_write(mac_regs, dev->enetaddr); + return pch_gbe_mac_write(mac_regs, plat->enetaddr); } udelay(10); @@ -107,9 +108,9 @@ static int pch_gbe_reset(struct eth_device *dev) return -ETIME; } -static void pch_gbe_rx_descs_init(struct eth_device *dev) +static void pch_gbe_rx_descs_init(struct udevice *dev) { - struct pch_gbe_priv *priv = dev->priv; + struct pch_gbe_priv *priv = dev_get_priv(dev); struct pch_gbe_regs *mac_regs = priv->mac_regs; struct pch_gbe_rx_desc *rx_desc = &priv->rx_desc[0]; int i; @@ -128,9 +129,9 @@ static void pch_gbe_rx_descs_init(struct eth_device *dev) &mac_regs->rx_dsc_sw_p); } -static void pch_gbe_tx_descs_init(struct eth_device *dev) +static void pch_gbe_tx_descs_init(struct udevice *dev) { - struct pch_gbe_priv *priv = dev->priv; + struct pch_gbe_priv *priv = dev_get_priv(dev); struct pch_gbe_regs *mac_regs = priv->mac_regs; struct pch_gbe_tx_desc *tx_desc = &priv->tx_desc[0]; @@ -183,9 +184,9 @@ static void pch_gbe_adjust_link(struct pch_gbe_regs *mac_regs, return; } -static int pch_gbe_init(struct eth_device *dev, bd_t *bis) +static int pch_gbe_start(struct udevice *dev) { - struct pch_gbe_priv *priv = dev->priv; + struct pch_gbe_priv *priv = dev_get_priv(dev); struct pch_gbe_regs *mac_regs = priv->mac_regs; if (pch_gbe_reset(dev)) @@ -226,18 +227,18 @@ static int pch_gbe_init(struct eth_device *dev, bd_t *bis) return 0; } -static void pch_gbe_halt(struct eth_device *dev) +static void pch_gbe_stop(struct udevice *dev) { - struct pch_gbe_priv *priv = dev->priv; + struct pch_gbe_priv *priv = dev_get_priv(dev); pch_gbe_reset(dev); phy_shutdown(priv->phydev); } -static int pch_gbe_send(struct eth_device *dev, void *packet, int length) +static int pch_gbe_send(struct udevice *dev, void *packet, int length) { - struct pch_gbe_priv *priv = dev->priv; + struct pch_gbe_priv *priv = dev_get_priv(dev); struct pch_gbe_regs *mac_regs = priv->mac_regs; struct pch_gbe_tx_desc *tx_head, *tx_desc; u16 frame_ctrl = 0; @@ -277,15 +278,13 @@ static int pch_gbe_send(struct eth_device *dev, void *packet, int length) return -ETIME; } -static int pch_gbe_recv(struct eth_device *dev) +static int pch_gbe_recv(struct udevice *dev, int flags, uchar **packetp) { - struct pch_gbe_priv *priv = dev->priv; + struct pch_gbe_priv *priv = dev_get_priv(dev); struct pch_gbe_regs *mac_regs = priv->mac_regs; - struct pch_gbe_rx_desc *rx_head, *rx_desc; + struct pch_gbe_rx_desc *rx_desc; u32 hw_desc, buffer_addr, length; - int rx_swp; - rx_head = &priv->rx_desc[0]; rx_desc = &priv->rx_desc[priv->rx_idx]; readl(&mac_regs->int_st); @@ -293,11 +292,21 @@ static int pch_gbe_recv(struct eth_device *dev) /* Just return if not receiving any packet */ if ((u32)rx_desc == hw_desc) - return 0; + return -EAGAIN; buffer_addr = pci_mem_to_phys(priv->bdf, rx_desc->buffer_addr); + *packetp = (uchar *)buffer_addr; length = rx_desc->rx_words_eob - 3 - ETH_FCS_LEN; - net_process_received_packet((uchar *)buffer_addr, length); + + return length; +} + +static int pch_gbe_free_pkt(struct udevice *dev, uchar *packet, int length) +{ + struct pch_gbe_priv *priv = dev_get_priv(dev); + struct pch_gbe_regs *mac_regs = priv->mac_regs; + struct pch_gbe_rx_desc *rx_head = &priv->rx_desc[0]; + int rx_swp; /* Test the wrap-around condition */ if (++priv->rx_idx >= PCH_GBE_DESC_NUM) @@ -309,7 +318,7 @@ static int pch_gbe_recv(struct eth_device *dev) writel(pci_phys_to_mem(priv->bdf, (u32)(rx_head + rx_swp)), &mac_regs->rx_dsc_sw_p); - return length; + return 0; } static int pch_gbe_mdio_ready(struct pch_gbe_regs *mac_regs) @@ -365,7 +374,7 @@ static int pch_gbe_mdio_write(struct mii_dev *bus, int addr, int devad, return 0; } -static int pch_gbe_mdio_init(char *name, struct pch_gbe_regs *mac_regs) +static int pch_gbe_mdio_init(const char *name, struct pch_gbe_regs *mac_regs) { struct mii_dev *bus; @@ -384,13 +393,14 @@ static int pch_gbe_mdio_init(char *name, struct pch_gbe_regs *mac_regs) return mdio_register(bus); } -static int pch_gbe_phy_init(struct eth_device *dev) +static int pch_gbe_phy_init(struct udevice *dev) { - struct pch_gbe_priv *priv = dev->priv; + struct pch_gbe_priv *priv = dev_get_priv(dev); + struct eth_pdata *plat = dev_get_platdata(dev); struct phy_device *phydev; int mask = 0xffffffff; - phydev = phy_find_by_mask(priv->bus, mask, priv->interface); + phydev = phy_find_by_mask(priv->bus, mask, plat->phy_interface); if (!phydev) { printf("pch_gbe: cannot find the phy\n"); return -1; @@ -404,63 +414,66 @@ static int pch_gbe_phy_init(struct eth_device *dev) priv->phydev = phydev; phy_config(phydev); - return 1; + return 0; } -int pch_gbe_register(bd_t *bis) +int pch_gbe_probe(struct udevice *dev) { - struct eth_device *dev; struct pch_gbe_priv *priv; + struct eth_pdata *plat = dev_get_platdata(dev); pci_dev_t devno; u32 iobase; - devno = pci_find_devices(supported, 0); - if (devno == -1) - return -ENODEV; - - dev = (struct eth_device *)malloc(sizeof(*dev)); - if (!dev) - return -ENOMEM; - memset(dev, 0, sizeof(*dev)); + devno = pci_get_bdf(dev); /* * The priv structure contains the descriptors and frame buffers which - * need a strict buswidth alignment (64 bytes) + * need a strict buswidth alignment (64 bytes). This is guaranteed by + * DM_FLAG_ALLOC_PRIV_DMA flag in the U_BOOT_DRIVER. */ - priv = (struct pch_gbe_priv *)memalign(PCH_GBE_ALIGN_SIZE, - sizeof(*priv)); - if (!priv) { - free(dev); - return -ENOMEM; - } - memset(priv, 0, sizeof(*priv)); + priv = dev_get_priv(dev); - dev->priv = priv; - priv->dev = dev; priv->bdf = devno; pci_read_config_dword(devno, PCI_BASE_ADDRESS_1, &iobase); iobase &= PCI_BASE_ADDRESS_MEM_MASK; iobase = pci_mem_to_phys(devno, iobase); - dev->iobase = iobase; + plat->iobase = iobase; priv->mac_regs = (struct pch_gbe_regs *)iobase; - sprintf(dev->name, "pch_gbe"); - /* Read MAC address from SROM and initialize dev->enetaddr with it */ - pch_gbe_mac_read(priv->mac_regs, dev->enetaddr); - - dev->init = pch_gbe_init; - dev->halt = pch_gbe_halt; - dev->send = pch_gbe_send; - dev->recv = pch_gbe_recv; + pch_gbe_mac_read(priv->mac_regs, plat->enetaddr); - eth_register(dev); - - priv->interface = PHY_INTERFACE_MODE_RGMII; + plat->phy_interface = PHY_INTERFACE_MODE_RGMII; pch_gbe_mdio_init(dev->name, priv->mac_regs); priv->bus = miiphy_get_dev_by_name(dev->name); return pch_gbe_phy_init(dev); } + +static const struct eth_ops pch_gbe_ops = { + .start = pch_gbe_start, + .send = pch_gbe_send, + .recv = pch_gbe_recv, + .free_pkt = pch_gbe_free_pkt, + .stop = pch_gbe_stop, +}; + +static const struct udevice_id pch_gbe_ids[] = { + { .compatible = "intel,pch-gbe" }, + { } +}; + +U_BOOT_DRIVER(eth_pch_gbe) = { + .name = "pch_gbe", + .id = UCLASS_ETH, + .of_match = pch_gbe_ids, + .probe = pch_gbe_probe, + .ops = &pch_gbe_ops, + .priv_auto_alloc_size = sizeof(struct pch_gbe_priv), + .platdata_auto_alloc_size = sizeof(struct eth_pdata), + .flags = DM_FLAG_ALLOC_PRIV_DMA, +}; + +U_BOOT_PCI_DEVICE(eth_pch_gbe, supported); |