X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=drivers%2Fnet%2Fmvneta.c;h=fa20f548e5202032947dac1c49ec33a9ddf2c64b;hb=cfe255611ce183187a3de5ef6fed246bdea7b044;hp=a2a69b42190b1058824fee9e127b4823bc6ddeed;hpb=1fba907f9a8d178eee960294ecffc8ee8bc6b00d;p=u-boot diff --git a/drivers/net/mvneta.c b/drivers/net/mvneta.c index a2a69b4219..fa20f548e5 100644 --- a/drivers/net/mvneta.c +++ b/drivers/net/mvneta.c @@ -2,7 +2,7 @@ * Driver for Marvell NETA network card for Armada XP and Armada 370 SoCs. * * U-Boot version: - * Copyright (C) 2014 Stefan Roese + * Copyright (C) 2014-2015 Stefan Roese * * Based on the Linux version which is: * Copyright (C) 2012 Marvell @@ -14,6 +14,7 @@ */ #include +#include #include #include #include @@ -28,6 +29,8 @@ #include #include +DECLARE_GLOBAL_DATA_PTR; + #if !defined(CONFIG_PHYLIB) # error Marvell mvneta requires PHYLIB #endif @@ -41,7 +44,6 @@ printf(fmt, ##args) #define CONFIG_NR_CPUS 1 -#define BIT(nr) (1UL << (nr)) #define ETH_HLEN 14 /* Total octets in header */ /* 2(HW hdr) 14(MAC hdr) 4(CRC) 32(extra for cache prefetch) */ @@ -1116,9 +1118,9 @@ static void mvneta_start_dev(struct mvneta_port *pp) mvneta_port_enable(pp); } -static void mvneta_adjust_link(struct eth_device *dev) +static void mvneta_adjust_link(struct udevice *dev) { - struct mvneta_port *pp = dev->priv; + struct mvneta_port *pp = dev_get_priv(dev); struct phy_device *phydev = pp->phydev; int status_change = 0; @@ -1172,9 +1174,9 @@ static void mvneta_adjust_link(struct eth_device *dev) } } -static int mvneta_open(struct eth_device *dev) +static int mvneta_open(struct udevice *dev) { - struct mvneta_port *pp = dev->priv; + struct mvneta_port *pp = dev_get_priv(dev); int ret; ret = mvneta_setup_rxqs(pp); @@ -1193,7 +1195,7 @@ static int mvneta_open(struct eth_device *dev) } /* Initialize hw */ -static int mvneta_init(struct mvneta_port *pp) +static int mvneta_init2(struct mvneta_port *pp) { int queue; @@ -1315,23 +1317,22 @@ static int mvneta_port_power_up(struct mvneta_port *pp, int phy_mode) } /* Device initialization routine */ -static int mvneta_probe(struct eth_device *dev) +static int mvneta_init(struct udevice *dev) { - struct mvneta_port *pp = dev->priv; + struct eth_pdata *pdata = dev_get_platdata(dev); + struct mvneta_port *pp = dev_get_priv(dev); int err; pp->tx_ring_size = MVNETA_MAX_TXD; pp->rx_ring_size = MVNETA_MAX_RXD; - err = mvneta_init(pp); + err = mvneta_init2(pp); if (err < 0) { dev_err(&pdev->dev, "can't init eth hal\n"); return err; } - mvneta_conf_mbus_windows(pp); - - mvneta_mac_addr_set(pp, dev->enetaddr, rxq_def); + mvneta_mac_addr_set(pp, pdata->enetaddr, rxq_def); err = mvneta_port_power_up(pp, pp->phy_interface); if (err < 0) { @@ -1368,25 +1369,24 @@ static int smi_wait_ready(struct mvneta_port *pp) } /* - * smi_reg_read - miiphy_read callback function. + * mvneta_mdio_read - miiphy_read callback function. * * Returns 16bit phy register value, or 0xffff on error */ -static int smi_reg_read(const char *devname, u8 phy_adr, u8 reg_ofs, u16 *data) +static int mvneta_mdio_read(struct mii_dev *bus, int addr, int devad, int reg) { - struct eth_device *dev = eth_get_dev_by_name(devname); - struct mvneta_port *pp = dev->priv; + struct mvneta_port *pp = bus->priv; u32 smi_reg; u32 timeout; /* check parameters */ - if (phy_adr > MVNETA_PHY_ADDR_MASK) { - printf("Error: Invalid PHY address %d\n", phy_adr); + if (addr > MVNETA_PHY_ADDR_MASK) { + printf("Error: Invalid PHY address %d\n", addr); return -EFAULT; } - if (reg_ofs > MVNETA_PHY_REG_MASK) { - printf("Err: Invalid register offset %d\n", reg_ofs); + if (reg > MVNETA_PHY_REG_MASK) { + printf("Err: Invalid register offset %d\n", reg); return -EFAULT; } @@ -1395,14 +1395,14 @@ static int smi_reg_read(const char *devname, u8 phy_adr, u8 reg_ofs, u16 *data) return -EFAULT; /* fill the phy address and regiser offset and read opcode */ - smi_reg = (phy_adr << MVNETA_SMI_DEV_ADDR_OFFS) - | (reg_ofs << MVNETA_SMI_REG_ADDR_OFFS) + smi_reg = (addr << MVNETA_SMI_DEV_ADDR_OFFS) + | (reg << MVNETA_SMI_REG_ADDR_OFFS) | MVNETA_SMI_OPCODE_READ; /* write the smi register */ mvreg_write(pp, MVNETA_SMI, smi_reg); - /*wait till read value is ready */ + /* wait till read value is ready */ timeout = MVNETA_SMI_TIMEOUT; do { @@ -1418,31 +1418,29 @@ static int smi_reg_read(const char *devname, u8 phy_adr, u8 reg_ofs, u16 *data) for (timeout = 0; timeout < MVNETA_SMI_TIMEOUT; timeout++) ; - *data = (u16)(mvreg_read(pp, MVNETA_SMI) & MVNETA_SMI_DATA_MASK); - - return 0; + return mvreg_read(pp, MVNETA_SMI) & MVNETA_SMI_DATA_MASK; } /* - * smi_reg_write - imiiphy_write callback function. + * mvneta_mdio_write - miiphy_write callback function. * * Returns 0 if write succeed, -EINVAL on bad parameters * -ETIME on timeout */ -static int smi_reg_write(const char *devname, u8 phy_adr, u8 reg_ofs, u16 data) +static int mvneta_mdio_write(struct mii_dev *bus, int addr, int devad, int reg, + u16 value) { - struct eth_device *dev = eth_get_dev_by_name(devname); - struct mvneta_port *pp = dev->priv; + struct mvneta_port *pp = bus->priv; u32 smi_reg; /* check parameters */ - if (phy_adr > MVNETA_PHY_ADDR_MASK) { - printf("Error: Invalid PHY address %d\n", phy_adr); + if (addr > MVNETA_PHY_ADDR_MASK) { + printf("Error: Invalid PHY address %d\n", addr); return -EFAULT; } - if (reg_ofs > MVNETA_PHY_REG_MASK) { - printf("Err: Invalid register offset %d\n", reg_ofs); + if (reg > MVNETA_PHY_REG_MASK) { + printf("Err: Invalid register offset %d\n", reg); return -EFAULT; } @@ -1451,9 +1449,9 @@ static int smi_reg_write(const char *devname, u8 phy_adr, u8 reg_ofs, u16 data) return -EFAULT; /* fill the phy addr and reg offset and write opcode and data */ - smi_reg = (data << MVNETA_SMI_DATA_OFFS); - smi_reg |= (phy_adr << MVNETA_SMI_DEV_ADDR_OFFS) - | (reg_ofs << MVNETA_SMI_REG_ADDR_OFFS); + smi_reg = value << MVNETA_SMI_DATA_OFFS; + smi_reg |= (addr << MVNETA_SMI_DEV_ADDR_OFFS) + | (reg << MVNETA_SMI_REG_ADDR_OFFS); smi_reg &= ~MVNETA_SMI_OPCODE_READ; /* write the smi register */ @@ -1462,9 +1460,9 @@ static int smi_reg_write(const char *devname, u8 phy_adr, u8 reg_ofs, u16 data) return 0; } -static int mvneta_init_u_boot(struct eth_device *dev, bd_t *bis) +static int mvneta_start(struct udevice *dev) { - struct mvneta_port *pp = dev->priv; + struct mvneta_port *pp = dev_get_priv(dev); struct phy_device *phydev; mvneta_port_power_up(pp, pp->phy_interface); @@ -1484,7 +1482,7 @@ static int mvneta_init_u_boot(struct eth_device *dev, bd_t *bis) } /* Full init on first call */ - mvneta_probe(dev); + mvneta_init(dev); pp->init = 1; } else { /* Upon all following calls, this is enough */ @@ -1495,9 +1493,9 @@ static int mvneta_init_u_boot(struct eth_device *dev, bd_t *bis) return 0; } -static int mvneta_send(struct eth_device *dev, void *ptr, int len) +static int mvneta_send(struct udevice *dev, void *packet, int length) { - struct mvneta_port *pp = dev->priv; + struct mvneta_port *pp = dev_get_priv(dev); struct mvneta_tx_queue *txq = &pp->txqs[0]; struct mvneta_tx_desc *tx_desc; int sent_desc; @@ -1506,9 +1504,9 @@ static int mvneta_send(struct eth_device *dev, void *ptr, int len) /* Get a descriptor for the first part of the packet */ tx_desc = mvneta_txq_next_desc_get(txq); - tx_desc->buf_phys_addr = (u32)ptr; - tx_desc->data_size = len; - flush_dcache_range((u32)ptr, (u32)ptr + len); + tx_desc->buf_phys_addr = (u32)packet; + tx_desc->data_size = length; + flush_dcache_range((u32)packet, (u32)packet + length); /* First and Last descriptor */ tx_desc->command = MVNETA_TX_L4_CSUM_NOT | MVNETA_TXD_FLZ_DESC; @@ -1526,28 +1524,25 @@ static int mvneta_send(struct eth_device *dev, void *ptr, int len) /* txDone has increased - hw sent packet */ mvneta_txq_sent_desc_dec(pp, txq, sent_desc); - return 0; return 0; } -static int mvneta_recv(struct eth_device *dev) +static int mvneta_recv(struct udevice *dev, int flags, uchar **packetp) { - struct mvneta_port *pp = dev->priv; + struct mvneta_port *pp = dev_get_priv(dev); int rx_done; - int packets_done; struct mvneta_rx_queue *rxq; + int rx_bytes = 0; /* get rx queue */ rxq = mvneta_rxq_handle_get(pp, rxq_def); rx_done = mvneta_rxq_busy_desc_num_get(pp, rxq); - packets_done = rx_done; - while (packets_done--) { + if (rx_done) { struct mvneta_rx_desc *rx_desc; unsigned char *data; u32 rx_status; - int rx_bytes; /* * No cache invalidation needed here, since the desc's are @@ -1560,7 +1555,7 @@ static int mvneta_recv(struct eth_device *dev) (rx_status & MVNETA_RXD_ERR_SUMMARY)) { mvneta_rx_error(pp, rx_desc); /* leave the descriptor untouched */ - continue; + return -EIO; } /* 2 bytes for marvell header. 4 bytes for crc */ @@ -1572,40 +1567,24 @@ static int mvneta_recv(struct eth_device *dev) * No cache invalidation needed here, since the rx_buffer's are * located in a uncached memory region */ - NetReceive(data, rx_bytes); - } + *packetp = data; - /* Update rxq management counters */ - if (rx_done) mvneta_rxq_desc_num_update(pp, rxq, rx_done, rx_done); + } - return 0; -} - -static void mvneta_halt(struct eth_device *dev) -{ - struct mvneta_port *pp = dev->priv; - - mvneta_port_down(pp); - mvneta_port_disable(pp); + return rx_bytes; } -int mvneta_initialize(bd_t *bis, int base_addr, int devnum, int phy_addr) +static int mvneta_probe(struct udevice *dev) { - struct eth_device *dev; - struct mvneta_port *pp; + struct eth_pdata *pdata = dev_get_platdata(dev); + struct mvneta_port *pp = dev_get_priv(dev); + void *blob = (void *)gd->fdt_blob; + int node = dev->of_offset; + struct mii_dev *bus; + unsigned long addr; void *bd_space; - dev = calloc(1, sizeof(*dev)); - if (dev == NULL) - return -ENOMEM; - - pp = calloc(1, sizeof(*pp)); - if (pp == NULL) - return -ENOMEM; - - dev->priv = pp; - /* * Allocate buffer area for descs and rx_buffers. This is only * done once for all interfaces. As only one interface can @@ -1626,28 +1605,82 @@ int mvneta_initialize(bd_t *bis, int base_addr, int devnum, int phy_addr) MVNETA_MAX_RXD * sizeof(struct mvneta_rx_desc)); } - sprintf(dev->name, "neta%d", devnum); + pp->base = (void __iomem *)pdata->iobase; - pp->base = (void __iomem *)base_addr; - dev->iobase = base_addr; - dev->init = mvneta_init_u_boot; - dev->halt = mvneta_halt; - dev->send = mvneta_send; - dev->recv = mvneta_recv; - dev->write_hwaddr = NULL; + /* Configure MBUS address windows */ + mvneta_conf_mbus_windows(pp); - /* - * The PHY interface type is configured via the - * board specific CONFIG_SYS_NETA_INTERFACE_TYPE - * define. - */ - pp->phy_interface = CONFIG_SYS_NETA_INTERFACE_TYPE; + /* PHY interface is already decoded in mvneta_ofdata_to_platdata() */ + pp->phy_interface = pdata->phy_interface; + + /* Now read phyaddr from DT */ + addr = fdtdec_get_int(blob, node, "phy", 0); + addr = fdt_node_offset_by_phandle(blob, addr); + pp->phyaddr = fdtdec_get_int(blob, addr, "reg", 0); + + bus = mdio_alloc(); + if (!bus) { + printf("Failed to allocate MDIO bus\n"); + return -ENOMEM; + } + + bus->read = mvneta_mdio_read; + bus->write = mvneta_mdio_write; + snprintf(bus->name, sizeof(bus->name), dev->name); + bus->priv = (void *)pp; + pp->bus = bus; - eth_register(dev); + return mdio_register(bus); +} - pp->phyaddr = phy_addr; - miiphy_register(dev->name, smi_reg_read, smi_reg_write); - pp->bus = miiphy_get_dev_by_name(dev->name); +static void mvneta_stop(struct udevice *dev) +{ + struct mvneta_port *pp = dev_get_priv(dev); - return 1; + mvneta_port_down(pp); + mvneta_port_disable(pp); } + +static const struct eth_ops mvneta_ops = { + .start = mvneta_start, + .send = mvneta_send, + .recv = mvneta_recv, + .stop = mvneta_stop, +}; + +static int mvneta_ofdata_to_platdata(struct udevice *dev) +{ + struct eth_pdata *pdata = dev_get_platdata(dev); + const char *phy_mode; + + pdata->iobase = dev_get_addr(dev); + + /* Get phy-mode / phy_interface from DT */ + pdata->phy_interface = -1; + phy_mode = fdt_getprop(gd->fdt_blob, dev->of_offset, "phy-mode", NULL); + if (phy_mode) + pdata->phy_interface = phy_get_interface_by_name(phy_mode); + if (pdata->phy_interface == -1) { + debug("%s: Invalid PHY interface '%s'\n", __func__, phy_mode); + return -EINVAL; + } + + return 0; +} + +static const struct udevice_id mvneta_ids[] = { + { .compatible = "marvell,armada-370-neta" }, + { .compatible = "marvell,armada-xp-neta" }, + { } +}; + +U_BOOT_DRIVER(mvneta) = { + .name = "mvneta", + .id = UCLASS_ETH, + .of_match = mvneta_ids, + .ofdata_to_platdata = mvneta_ofdata_to_platdata, + .probe = mvneta_probe, + .ops = &mvneta_ops, + .priv_auto_alloc_size = sizeof(struct mvneta_port), + .platdata_auto_alloc_size = sizeof(struct eth_pdata), +};