Exemplo n.º 1
0
void
mt76_eeprom_override(struct mt76_dev *dev)
{
#ifdef CONFIG_OF
	struct device_node *np = dev->dev->of_node;
	const __be32 *val;
	const u8 *mac;
	int size;

	if (!np)
		return;

	val = of_get_property(np, "mediatek,2ghz", &size);
	if (val)
		dev->cap.has_2ghz = be32_to_cpup(val);

	val = of_get_property(np, "mediatek,5ghz", &size);
	if (val)
		dev->cap.has_5ghz = be32_to_cpup(val);

	mac = of_get_mac_address(np);
	if (mac)
		memcpy(dev->macaddr, mac, ETH_ALEN);
#endif

	if (!is_valid_ether_addr(dev->macaddr)) {
		eth_random_addr(dev->macaddr);
		dev_printk(KERN_INFO, dev->dev,
			   "Invalid MAC address, using random address %pM\n",
			   dev->macaddr);
	}

}
Exemplo n.º 2
0
static int ath9k_of_init(struct ath_softc *sc)
{
	struct device_node *np = sc->dev->of_node;
	struct ath_hw *ah = sc->sc_ah;
	struct ath_common *common = ath9k_hw_common(ah);
	enum ath_bus_type bus_type = common->bus_ops->ath_bus_type;
	const char *mac;
	char eeprom_name[100];
	int ret;

	if (!of_device_is_available(np))
		return 0;

	ath_dbg(common, CONFIG, "parsing configuration from OF node\n");

	if (of_property_read_bool(np, "qca,no-eeprom")) {
		/* ath9k-eeprom-<bus>-<id>.bin */
		scnprintf(eeprom_name, sizeof(eeprom_name),
			  "ath9k-eeprom-%s-%s.bin",
			  ath_bus_type_to_string(bus_type), dev_name(ah->dev));

		ret = ath9k_eeprom_request(sc, eeprom_name);
		if (ret)
			return ret;

		ah->ah_flags &= ~AH_USE_EEPROM;
		ah->ah_flags |= AH_NO_EEP_SWAP;
	}

	mac = of_get_mac_address(np);
	if (!IS_ERR(mac))
		ether_addr_copy(common->macaddr, mac);

	return 0;
}
Exemplo n.º 3
0
static int __devinit stmmac_probe_config_dt(struct platform_device *pdev,
					    struct plat_stmmacenet_data *plat,
					    const char **mac)
{
	struct device_node *np = pdev->dev.of_node;

	if (!np)
		return -ENODEV;

	*mac = of_get_mac_address(np);
	plat->interface = of_get_phy_mode(np);
	plat->mdio_bus_data = devm_kzalloc(&pdev->dev,
					   sizeof(struct stmmac_mdio_bus_data),
					   GFP_KERNEL);

	/*
	 * Currently only the properties needed on SPEAr600
	 * are provided. All other properties should be added
	 * once needed on other platforms.
	 */
	if (of_device_is_compatible(np, "st,spear600-gmac")) {
		plat->has_gmac = 1;
		plat->pmt = 1;
	}

	return 0;
}
Exemplo n.º 4
0
static int sxgbe_probe_config_dt(struct platform_device *pdev,
				 struct sxgbe_plat_data *plat,
				 const char **mac)
{
	struct device_node *np = pdev->dev.of_node;
	struct sxgbe_dma_cfg *dma_cfg;

	if (!np)
		return -ENODEV;

	*mac = of_get_mac_address(np);
	plat->interface = of_get_phy_mode(np);

	plat->bus_id = of_alias_get_id(np, "ethernet");
	if (plat->bus_id < 0)
		plat->bus_id = 0;

	plat->mdio_bus_data = devm_kzalloc(&pdev->dev,
					   sizeof(*plat->mdio_bus_data),
					   GFP_KERNEL);

	dma_cfg = devm_kzalloc(&pdev->dev, sizeof(*dma_cfg), GFP_KERNEL);
	if (!dma_cfg)
		return -ENOMEM;

	plat->dma_cfg = dma_cfg;
	of_property_read_u32(np, "samsung,pbl", &dma_cfg->pbl);
	if (of_property_read_u32(np, "samsung,burst-map", &dma_cfg->burst_map) == 0)
		dma_cfg->fixed_burst = true;

	return 0;
}
Exemplo n.º 5
0
static int stmmac_probe_config_dt(struct platform_device *pdev,
				  struct plat_stmmacenet_data *plat,
				  const char **mac)
{
	struct device_node *np = pdev->dev.of_node;
	struct stmmac_dma_cfg *dma_cfg;

	if (!np)
		return -ENODEV;

	*mac = of_get_mac_address(np);
	plat->interface = of_get_phy_mode(np);

	plat->bus_id = of_alias_get_id(np, "ethernet");
	if (plat->bus_id < 0)
		plat->bus_id = 0;

	of_property_read_u32(np, "snps,phy-addr", &plat->phy_addr);

	plat->mdio_bus_data = devm_kzalloc(&pdev->dev,
					   sizeof(struct stmmac_mdio_bus_data),
					   GFP_KERNEL);

	/*
	 * Currently only the properties needed on SPEAr600
	 * are provided. All other properties should be added
	 * once needed on other platforms.
	 */
	if (of_device_is_compatible(np, "st,spear600-gmac") ||
		of_device_is_compatible(np, "snps,dwmac-3.70a") ||
		of_device_is_compatible(np, "snps,dwmac")) {
		plat->has_gmac = 1;
		plat->pmt = 1;
	}

	if (of_device_is_compatible(np, "snps,dwmac-3.610") ||
		of_device_is_compatible(np, "snps,dwmac-3.710")) {
		plat->enh_desc = 1;
		plat->bugged_jumbo = 1;
		plat->force_sf_dma_mode = 1;
	}

	dma_cfg = devm_kzalloc(&pdev->dev, sizeof(*dma_cfg), GFP_KERNEL);
	if (!dma_cfg)
		return -ENOMEM;

	plat->dma_cfg = dma_cfg;
	of_property_read_u32(np, "snps,pbl", &dma_cfg->pbl);
	dma_cfg->fixed_burst = of_property_read_bool(np, "snps,fixed-burst");
	dma_cfg->mixed_burst = of_property_read_bool(np, "snps,mixed-burst");

	return 0;
}
Exemplo n.º 6
0
/* ------------------------------------------------------------------------- */
static void fec_get_mac(struct net_device *ndev)
{
	struct fec_enet_private *fep = netdev_priv(ndev);
	struct fec_platform_data *pdata = fep->pdev->dev.platform_data;
	unsigned char *iap, tmpaddr[ETH_ALEN];

	/*
	 * try to get mac address in following order:
	 *
	 * 1) module parameter via kernel command line in form
	 *    fec.macaddr=0x00,0x04,0x9f,0x01,0x30,0xe0
	 */
	iap = macaddr;

#ifdef CONFIG_OF
	/*
	 * 2) from device tree data
	 */
	if (!is_valid_ether_addr(iap)) {
		struct device_node *np = fep->pdev->dev.of_node;
		if (np) {
			const char *mac = of_get_mac_address(np);
			if (mac)
				iap = (unsigned char *) mac;
		}
	}
#endif

	/*
	 * 3) from flash or fuse (via platform data)
	 */
	if (!is_valid_ether_addr(iap)) {
#ifdef CONFIG_M5272
		if (FEC_FLASHMAC)
			iap = (unsigned char *)FEC_FLASHMAC;
#else
		if (pdata)
			iap = (unsigned char *)&pdata->mac;
#endif
	}

	/*
	 * 4) FEC mac registers set by bootloader
	 */
	if (!is_valid_ether_addr(iap)) {
		*((unsigned long *) &tmpaddr[0]) =
			be32_to_cpu(readl(fep->hwp + FEC_ADDR_LOW));
		*((unsigned short *) &tmpaddr[4]) =
			be16_to_cpu(readl(fep->hwp + FEC_ADDR_HIGH) >> 16);
		iap = &tmpaddr[0];
	}
Exemplo n.º 7
0
static int at91ether_get_hwaddr_dt(struct macb *bp)
{
	struct device_node *np = bp->pdev->dev.of_node;

	if (np) {
		const char *mac = of_get_mac_address(np);
		if (mac) {
			memcpy(bp->dev->dev_addr, mac, ETH_ALEN);
			return 0;
		}
	}

	return -ENODEV;
}
Exemplo n.º 8
0
/**
 * cvm_oct_common_init - per network device initialization
 * @dev:    Device to initialize
 *
 * Returns Zero on success
 */
int cvm_oct_common_init(struct net_device *dev)
{
	struct octeon_ethernet *priv = netdev_priv(dev);
	const u8 *mac = NULL;

	if (priv->of_node)
		mac = of_get_mac_address(priv->of_node);

	if (mac && is_valid_ether_addr(mac)) {
		memcpy(dev->dev_addr, mac, ETH_ALEN);
		dev->addr_assign_type &= ~NET_ADDR_RANDOM;
	} else {
		eth_hw_addr_random(dev);
	}

	/*
	 * Force the interface to use the POW send if always_use_pow
	 * was specified or it is in the pow send list.
	 */
	if ((pow_send_group != -1)
	    && (always_use_pow || strstr(pow_send_list, dev->name)))
		priv->queue = -1;

	if (priv->queue != -1) {
		dev->features |= NETIF_F_SG;
		if (USE_HW_TCPUDP_CHECKSUM)
			dev->features |= NETIF_F_IP_CSUM;
	}

	/* We do our own locking, Linux doesn't need to */
	dev->features |= NETIF_F_LLTX;
	SET_ETHTOOL_OPS(dev, &cvm_oct_ethtool_ops);

	cvm_oct_phy_setup_device(dev);
	cvm_oct_set_mac_filter(dev);
	dev->netdev_ops->ndo_change_mtu(dev, dev->mtu);

	/*
	 * Zero out stats for port so we won't mistakenly show
	 * counters from the bootloader.
	 */
	memset(dev->netdev_ops->ndo_get_stats(dev), 0,
	       sizeof(struct net_device_stats));

	return 0;
}
Exemplo n.º 9
0
static int stmmac_probe_config_dt(struct platform_device *pdev,
                                  struct plat_stmmacenet_data *plat,
                                  const char **mac)
{
    struct device_node *np = pdev->dev.of_node;
    enum of_gpio_flags flags;

    if (!np)
        return -ENODEV;

    *mac = of_get_mac_address(np);
    plat->interface = of_get_phy_mode(np);
    plat->mdio_bus_data = devm_kzalloc(&pdev->dev,
                                       sizeof(struct stmmac_mdio_bus_data),
                                       GFP_KERNEL);

    plat->init = stmmc_pltfr_init;
    plat->fix_mac_speed = stmmc_pltfr_fix_mac_speed;

    g_bsp_priv.reset_io =
        of_get_named_gpio_flags(np, "reset-gpio", 0, &flags);
    g_bsp_priv.reset_io_level = (flags == GPIO_ACTIVE_HIGH) ? 1 : 0;
    g_bsp_priv.power_io =
        of_get_named_gpio_flags(np, "power-gpio", 0, &flags);
    g_bsp_priv.power_io_level = (flags == GPIO_ACTIVE_HIGH) ? 1 : 0;

    g_bsp_priv.phy_iface = plat->interface;
    g_bsp_priv.phy_power_on = phy_power_on;

    plat->bsp_priv = &g_bsp_priv;

    /*
     * Currently only the properties needed on SPEAr600
     * are provided. All other properties should be added
     * once needed on other platforms.
     */
    if (of_device_is_compatible(np, "rockchip,gmac")) {
        plat->has_gmac = 1;
        plat->pmt = 1;
    }

    return 0;
}
Exemplo n.º 10
0
/**
 * cvm_oct_common_init - per network device initialization
 * @dev:    Device to initialize
 *
 * Returns Zero on success
 */
int cvm_oct_common_init(struct net_device *dev)
{
	struct octeon_ethernet *priv = netdev_priv(dev);
	const u8 *mac = NULL;

	if (priv->of_node)
		mac = of_get_mac_address(priv->of_node);

	if (mac)
		ether_addr_copy(dev->dev_addr, mac);
	else
		eth_hw_addr_random(dev);

	/*
	 * Force the interface to use the POW send if always_use_pow
	 * was specified or it is in the pow send list.
	 */
	if ((pow_send_group != -1) &&
	    (always_use_pow || strstr(pow_send_list, dev->name)))
		priv->queue = -1;

	if (priv->queue != -1)
		dev->features |= NETIF_F_SG | NETIF_F_IP_CSUM;

	/* We do our own locking, Linux doesn't need to */
	dev->features |= NETIF_F_LLTX;
	dev->ethtool_ops = &cvm_oct_ethtool_ops;

	cvm_oct_set_mac_filter(dev);
	dev->netdev_ops->ndo_change_mtu(dev, dev->mtu);

	/*
	 * Zero out stats for port so we won't mistakenly show
	 * counters from the bootloader.
	 */
	memset(dev->netdev_ops->ndo_get_stats(dev), 0,
	       sizeof(struct net_device_stats));

	if (dev->netdev_ops->ndo_stop)
		dev->netdev_ops->ndo_stop(dev);

	return 0;
}
Exemplo n.º 11
0
Arquivo: eth.c Projeto: krzk/linux
int eth_platform_get_mac_address(struct device *dev, u8 *mac_addr)
{
	const unsigned char *addr;
	struct device_node *dp;

	if (dev_is_pci(dev))
		dp = pci_device_to_OF_node(to_pci_dev(dev));
	else
		dp = dev->of_node;

	addr = NULL;
	if (dp)
		addr = of_get_mac_address(dp);
	if (!addr)
		addr = arch_get_platform_mac_address();

	if (!addr)
		return -ENODEV;

	ether_addr_copy(mac_addr, addr);
	return 0;
}
Exemplo n.º 12
0
static int stmmac_probe_config_dt(struct platform_device *pdev,
				  struct plat_stmmacenet_data *plat,
				  const char **mac)
{
	struct device_node *np = pdev->dev.of_node;
	struct stmmac_dma_cfg *dma_cfg;
	const struct of_device_id *device;

	if (!np)
		return -ENODEV;

	device = of_match_device(stmmac_dt_ids, &pdev->dev);
	if (!device)
		return -ENODEV;

	if (device->data) {
		const struct stmmac_of_data *data = device->data;
		plat->has_gmac = data->has_gmac;
		plat->enh_desc = data->enh_desc;
		plat->tx_coe = data->tx_coe;
		plat->rx_coe = data->rx_coe;
		plat->bugged_jumbo = data->bugged_jumbo;
		plat->pmt = data->pmt;
		plat->riwt_off = data->riwt_off;
		plat->fix_mac_speed = data->fix_mac_speed;
		plat->bus_setup = data->bus_setup;
		plat->setup = data->setup;
		plat->free = data->free;
		plat->init = data->init;
		plat->exit = data->exit;
	}

	*mac = of_get_mac_address(np);
	plat->interface = of_get_phy_mode(np);

	/* Get max speed of operation from device tree */
	if (of_property_read_u32(np, "max-speed", &plat->max_speed))
		plat->max_speed = -1;

	plat->bus_id = of_alias_get_id(np, "ethernet");
	if (plat->bus_id < 0)
		plat->bus_id = 0;

	/* Default to phy auto-detection */
	plat->phy_addr = -1;

	/* "snps,phy-addr" is not a standard property. Mark it as deprecated
	 * and warn of its use. Remove this when phy node support is added.
	 */
	if (of_property_read_u32(np, "snps,phy-addr", &plat->phy_addr) == 0)
		dev_warn(&pdev->dev, "snps,phy-addr property is deprecated\n");

	plat->mdio_bus_data = devm_kzalloc(&pdev->dev,
					   sizeof(struct stmmac_mdio_bus_data),
					   GFP_KERNEL);

	plat->force_sf_dma_mode = of_property_read_bool(np, "snps,force_sf_dma_mode");

	/* Set the maxmtu to a default of JUMBO_LEN in case the
	 * parameter is not present in the device tree.
	 */
	plat->maxmtu = JUMBO_LEN;

	/*
	 * Currently only the properties needed on SPEAr600
	 * are provided. All other properties should be added
	 * once needed on other platforms.
	 */
	if (of_device_is_compatible(np, "st,spear600-gmac") ||
		of_device_is_compatible(np, "snps,dwmac-3.70a") ||
		of_device_is_compatible(np, "snps,dwmac")) {
		/* Note that the max-frame-size parameter as defined in the
		 * ePAPR v1.1 spec is defined as max-frame-size, it's
		 * actually used as the IEEE definition of MAC Client
		 * data, or MTU. The ePAPR specification is confusing as
		 * the definition is max-frame-size, but usage examples
		 * are clearly MTUs
		 */
		of_property_read_u32(np, "max-frame-size", &plat->maxmtu);
		plat->has_gmac = 1;
		plat->pmt = 1;
	}

	if (of_device_is_compatible(np, "snps,dwmac-3.610") ||
		of_device_is_compatible(np, "snps,dwmac-3.710")) {
		plat->enh_desc = 1;
		plat->bugged_jumbo = 1;
		plat->force_sf_dma_mode = 1;
	}

	if (of_find_property(np, "snps,pbl", NULL)) {
		dma_cfg = devm_kzalloc(&pdev->dev, sizeof(*dma_cfg),
				       GFP_KERNEL);
		if (!dma_cfg)
			return -ENOMEM;
		plat->dma_cfg = dma_cfg;
		of_property_read_u32(np, "snps,pbl", &dma_cfg->pbl);
		dma_cfg->fixed_burst =
			of_property_read_bool(np, "snps,fixed-burst");
		dma_cfg->mixed_burst =
			of_property_read_bool(np, "snps,mixed-burst");
	}
	plat->force_thresh_dma_mode = of_property_read_bool(np, "snps,force_thresh_dma_mode");
	if (plat->force_thresh_dma_mode) {
		plat->force_sf_dma_mode = 0;
		pr_warn("force_sf_dma_mode is ignored if force_thresh_dma_mode is set.");
	}

	return 0;
}
Exemplo n.º 13
0
static int stmmac_probe_config_dt(struct platform_device *pdev,
				  struct plat_stmmacenet_data *plat,
				  const char **mac)
{
	struct device_node *np = pdev->dev.of_node;
	struct stmmac_dma_cfg *dma_cfg;
	const struct of_device_id *device;
#if defined (CONFIG_AML_NAND_KEY) || defined (CONFIG_SECURITYKEY)
	int ret;
	char *addr =NULL;
#endif
	if (!np)
		return -ENODEV;

	device = of_match_device(stmmac_dt_ids, &pdev->dev);
	if (!device)
		return -ENODEV;

	if (device->data) {
		const struct stmmac_of_data *data = device->data;
		plat->has_gmac = data->has_gmac;
		plat->enh_desc = data->enh_desc;
		plat->tx_coe = data->tx_coe;
		plat->rx_coe = data->rx_coe;
		plat->bugged_jumbo = data->bugged_jumbo;
		plat->pmt = data->pmt;
		plat->riwt_off = data->riwt_off;
		plat->fix_mac_speed = data->fix_mac_speed;
		plat->bus_setup = data->bus_setup;
		plat->setup = data->setup;
		plat->free = data->free;
		plat->init = data->init;
		plat->exit = data->exit;
	}

#if defined (CONFIG_AML_NAND_KEY) || defined (CONFIG_SECURITYKEY)
	ret = get_aml_key_kernel("mac", print_buff, 0);
	extenal_api_key_set_version("auto");
	printk("ret = %d\nprint_buff=%s\n", ret, print_buff);
	if (ret >= 0) {
		strcpy(addr, print_buff);
		*mac = addr;
	}
	else
	{
		if(g_mac_addr_setup){
			*mac = DEFMAC;
		}
		else{
			*mac = of_get_mac_address(np);
		}
	}

#else
	
	*mac = of_get_mac_address(np);
#endif
	plat->interface = of_get_phy_mode(np);

	/* Get max speed of operation from device tree */
	if (of_property_read_u32(np, "max-speed", &plat->max_speed))
		plat->max_speed = -1;

	plat->bus_id = of_alias_get_id(np, "ethernet");
	if (plat->bus_id < 0)
		plat->bus_id = 0;

	/* Default to phy auto-detection */
	plat->phy_addr = -1;

	/* "snps,phy-addr" is not a standard property. Mark it as deprecated
	 * and warn of its use. Remove this when phy node support is added.
	 */
	if (of_property_read_u32(np, "snps,phy-addr", &plat->phy_addr) == 0)
		dev_warn(&pdev->dev, "snps,phy-addr property is deprecated\n");

	if (plat->phy_bus_name){
		plat->mdio_bus_data = NULL;
	}
	else
		plat->mdio_bus_data =
			devm_kzalloc(&pdev->dev,
				     sizeof(struct stmmac_mdio_bus_data),
				     GFP_KERNEL);

	plat->force_sf_dma_mode =
		of_property_read_bool(np, "snps,force_sf_dma_mode");

	/* Set the maxmtu to a default of JUMBO_LEN in case the
	 * parameter is not present in the device tree.
	 */

	/* Set default value for multicast hash bins */
	plat->multicast_filter_bins = HASH_TABLE_SIZE;

	/* Set default value for unicast filter entries */
	plat->unicast_filter_entries = 1;

	/*
	 * Currently only the properties needed on SPEAr600
	 * are provided. All other properties should be added
	 * once needed on other platforms.
	 */
#ifdef CONFIG_DWMAC_MESON
#if 0
	if(of_device_is_compatible(np,"amlogic,meson8m2-dwmac")){
	 	aml_write_reg32(P_PERIPHS_PIN_MUX_6,0xffff);
		aml_write_reg32(P_PREG_ETH_REG0,0x7d21);
		aml_set_reg32_mask(P_HHI_MPLL_CNTL6,1<<27);
        	aml_set_reg32_mask(P_HHI_GEN_CLK_CNTL,0xb803);
        	aml_set_reg32_mask(P_HHI_MPLL_CNTL9,(1638<<0)| (0<<14)|(1<<15) | (1<<14) | (5<<16) | (0<<25) | (0<<26) |(0<<30) | (0<<31));
		        /* setup ethernet mode */
     		aml_clr_reg32_mask(P_HHI_MEM_PD_REG0, (1 << 3) | (1<<2));
        /* hardware reset ethernet phy : gpioz14 connect phyreset pin*/
        	aml_clr_reg32_mask(P_PREG_PAD_GPIO2_EN_N, 1 << 28);
       	aml_clr_reg32_mask(P_PREG_PAD_GPIO2_O, 1 << 28);
        	mdelay(10);
        	aml_set_reg32_mask(P_PREG_PAD_GPIO2_O, 1 << 28);
	}
#endif
#endif
	if (of_device_is_compatible(np, "st,spear600-gmac") ||
		of_device_is_compatible(np, "snps,dwmac-3.70a") ||
		of_device_is_compatible(np,"amlogic,meson8b-rgmii-dwmac")||
		of_device_is_compatible(np,"amlogic,meson8m2-rgmii-dwmac")) {
		/* Note that the max-frame-size parameter as defined in the
		 * ePAPR v1.1 spec is defined as max-frame-size, it's
		 * actually used as the IEEE definition of MAC Client
		 * data, or MTU. The ePAPR specification is confusing as
		 * the definition is max-frame-size, but usage examples
		 * are clearly MTUs
		 */
		of_property_read_u32(np, "max-frame-size", &plat->maxmtu);
		of_property_read_u32(np, "snps,multicast-filter-bins",
				     &plat->multicast_filter_bins);
		of_property_read_u32(np, "snps,perfect-filter-entries",
				     &plat->unicast_filter_entries);
		plat->unicast_filter_entries = dwmac1000_validate_ucast_entries(
					       plat->unicast_filter_entries);
		plat->multicast_filter_bins = dwmac1000_validate_mcast_bins(
					      plat->multicast_filter_bins);
		plat->has_gmac = 1;
		plat->pmt = 1;
	}

	if (of_device_is_compatible(np, "snps,dwmac-3.610") ||
		of_device_is_compatible(np,"amlogic,meson6-dwmac")||
		of_device_is_compatible(np, "snps,dwmac-3.710")) {
		plat->enh_desc = 1;
		plat->bugged_jumbo = 1;
		plat->force_sf_dma_mode = 1;
	}

	if (of_find_property(np, "snps,pbl", NULL)) {
		dma_cfg = devm_kzalloc(&pdev->dev, sizeof(*dma_cfg),
				       GFP_KERNEL);
		if (!dma_cfg)
			return -ENOMEM;
		plat->dma_cfg = dma_cfg;
		of_property_read_u32(np, "snps,pbl", &dma_cfg->pbl);
		dma_cfg->fixed_burst =
			of_property_read_bool(np, "snps,fixed-burst");
		dma_cfg->mixed_burst =
			of_property_read_bool(np, "snps,mixed-burst");
	}
	plat->force_thresh_dma_mode = of_property_read_bool(np, "snps,force_thresh_dma_mode");
	if (plat->force_thresh_dma_mode) {
		plat->force_sf_dma_mode = 0;
		pr_warn("force_sf_dma_mode is ignored if force_thresh_dma_mode is set.");
	}

	return 0;
}
Exemplo n.º 14
0
static int __init gfar_of_init(void)
{
	struct device_node *np;
	unsigned int i;
	struct platform_device *gfar_dev;
	struct resource res;
	int ret;

	for (np = NULL, i = 0;
	     (np = of_find_compatible_node(np, "network", "gianfar")) != NULL;
	     i++) {
		struct resource r[4];
		struct device_node *phy, *mdio;
		struct gianfar_platform_data gfar_data;
		const unsigned int *id;
		const char *model;
		const void *mac_addr;
		const phandle *ph;
		int n_res = 2;

		memset(r, 0, sizeof(r));
		memset(&gfar_data, 0, sizeof(gfar_data));

		ret = of_address_to_resource(np, 0, &r[0]);
		if (ret)
			goto err;

		of_irq_to_resource(np, 0, &r[1]);

		model = of_get_property(np, "model", NULL);

		/* If we aren't the FEC we have multiple interrupts */
		if (model && strcasecmp(model, "FEC")) {
			r[1].name = gfar_tx_intr;

			r[2].name = gfar_rx_intr;
			of_irq_to_resource(np, 1, &r[2]);

			r[3].name = gfar_err_intr;
			of_irq_to_resource(np, 2, &r[3]);

			n_res += 2;
		}

		gfar_dev =
		    platform_device_register_simple("fsl-gianfar", i, &r[0],
						    n_res);

		if (IS_ERR(gfar_dev)) {
			ret = PTR_ERR(gfar_dev);
			goto err;
		}

		mac_addr = of_get_mac_address(np);
		if (mac_addr)
			memcpy(gfar_data.mac_addr, mac_addr, 6);

		if (model && !strcasecmp(model, "TSEC"))
			gfar_data.device_flags =
			    FSL_GIANFAR_DEV_HAS_GIGABIT |
			    FSL_GIANFAR_DEV_HAS_COALESCE |
			    FSL_GIANFAR_DEV_HAS_RMON |
			    FSL_GIANFAR_DEV_HAS_MULTI_INTR;
		if (model && !strcasecmp(model, "eTSEC"))
			gfar_data.device_flags =
			    FSL_GIANFAR_DEV_HAS_GIGABIT |
			    FSL_GIANFAR_DEV_HAS_COALESCE |
			    FSL_GIANFAR_DEV_HAS_RMON |
			    FSL_GIANFAR_DEV_HAS_MULTI_INTR |
			    FSL_GIANFAR_DEV_HAS_CSUM |
			    FSL_GIANFAR_DEV_HAS_VLAN |
			    FSL_GIANFAR_DEV_HAS_EXTENDED_HASH;

		ph = of_get_property(np, "phy-handle", NULL);
		phy = of_find_node_by_phandle(*ph);

		if (phy == NULL) {
			ret = -ENODEV;
			goto unreg;
		}

		mdio = of_get_parent(phy);

		id = of_get_property(phy, "reg", NULL);
		ret = of_address_to_resource(mdio, 0, &res);
		if (ret) {
			of_node_put(phy);
			of_node_put(mdio);
			goto unreg;
		}

		gfar_data.phy_id = *id;
		gfar_data.bus_id = res.start;

		of_node_put(phy);
		of_node_put(mdio);

		ret =
		    platform_device_add_data(gfar_dev, &gfar_data,
					     sizeof(struct
						    gianfar_platform_data));
		if (ret)
			goto unreg;
	}

	return 0;

unreg:
	platform_device_unregister(gfar_dev);
err:
	return ret;
}
Exemplo n.º 15
0
/* Search EMAC board, allocate space and register it
 */
static int emac_probe(struct vmm_device *pdev,
			const struct vmm_devtree_nodeid *devid)
{
	struct device_node *np = pdev->node;
	struct emac_board_info *db;
	struct net_device *ndev;
	int ret = 0;
	const char *mac_addr;
	virtual_addr_t  reg_addr;

	ndev = alloc_etherdev(sizeof(struct emac_board_info));
	if (!ndev) {
		dev_err(pdev, "%s: could not allocate device.\n", __func__);
		return -ENOMEM;
	}

	strlcpy(ndev->name, pdev->name, sizeof(ndev->name));

	SET_NETDEV_DEV(ndev, pdev);

	db = netdev_priv(ndev);
	memset(db, 0, sizeof(*db));

	db->ndev = ndev;
	db->pdev = pdev;

	spin_lock_init(&db->lock);

	if ((ret = vmm_devtree_request_regmap(np, &reg_addr, 0,
					      "Sun4i EMAC"))) {
		vmm_printf("%s: Failed to ioreamp\n", __func__);
		return -ENOMEM;
	}

	db->membase = (void *) reg_addr;

	/* fill in parameters for net-dev structure */
	ndev->base_addr = (unsigned long)db->membase;

	ret = vmm_devtree_irq_get(np, &ndev->irq, 0);
	if (ret) {
		vmm_printf("%s: No irq resource\n", __func__);
		goto out;
	}

	db->clk = clk_get(pdev, NULL);
	if (IS_ERR(db->clk))
		goto out;

	clk_prepare_enable(db->clk);

	db->phy_node = vmm_devtree_parse_phandle(np, "phy", 0);
	if (!db->phy_node) {
		dev_err(pdev, "%s: no associated PHY\n", __func__);
		ret = -ENODEV;
		goto out;
	}

	/* Read MAC-address from DT */
	mac_addr = of_get_mac_address(np);
	if (mac_addr)
		memcpy(ndev->dev_addr, mac_addr, ETH_ALEN);

	/* Check if the MAC address is valid, if not get a random one */
	if (!is_valid_ether_addr(ndev->dev_addr)) {
		eth_hw_addr_random(ndev);
		dev_info(pdev, "using random MAC address: ");
		print_mac_address_fmt(ndev->dev_addr);
	}

	db->emacrx_completed_flag = 1;
	emac_powerup(ndev);
	emac_reset(db);

	ether_setup(ndev);

	ndev->netdev_ops = &emac_netdev_ops;
	ndev->watchdog_timeo = msecs_to_jiffies(watchdog);
	ndev->ethtool_ops = &emac_ethtool_ops;

	platform_set_drvdata(pdev, ndev);

	/* Carrier starts down, phylib will bring it up */
	netif_carrier_off(ndev);

	ret = register_netdev(ndev);
	if (ret) {
		dev_err(pdev, "%s: Registering netdev failed!\n", __func__);
		ret = -ENODEV;
		goto out;
	}

	dev_info(pdev, "%s: at %p, IRQ %d MAC: ",
		 ndev->name, db->membase, ndev->irq);
	print_mac_address_fmt(ndev->dev_addr);

	return 0;

out:
	dev_err(pdev, "%s: not found (%d).\n", __func__, ret);
	free_netdev(ndev);

	return ret;
}
Exemplo n.º 16
0
/* Search EMAC board, allocate space and register it
 */
static int emac_probe(struct platform_device *pdev)
{
	struct device_node *np = pdev->dev.of_node;
	struct emac_board_info *db;
	struct net_device *ndev;
	int ret = 0;
	const char *mac_addr;

	ndev = alloc_etherdev(sizeof(struct emac_board_info));
	if (!ndev) {
		dev_err(&pdev->dev, "could not allocate device.\n");
		return -ENOMEM;
	}

	SET_NETDEV_DEV(ndev, &pdev->dev);

	db = netdev_priv(ndev);
	memset(db, 0, sizeof(*db));

	db->dev = &pdev->dev;
	db->ndev = ndev;
	db->pdev = pdev;
	db->msg_enable = netif_msg_init(debug, EMAC_DEFAULT_MSG_ENABLE);

	spin_lock_init(&db->lock);

	db->membase = of_iomap(np, 0);
	if (!db->membase) {
		dev_err(&pdev->dev, "failed to remap registers\n");
		ret = -ENOMEM;
		goto out;
	}

	/* fill in parameters for net-dev structure */
	ndev->base_addr = (unsigned long)db->membase;
	ndev->irq = irq_of_parse_and_map(np, 0);
	if (ndev->irq == -ENXIO) {
		netdev_err(ndev, "No irq resource\n");
		ret = ndev->irq;
		goto out_iounmap;
	}

	db->clk = devm_clk_get(&pdev->dev, NULL);
	if (IS_ERR(db->clk)) {
		ret = PTR_ERR(db->clk);
		goto out_iounmap;
	}

	ret = clk_prepare_enable(db->clk);
	if (ret) {
		dev_err(&pdev->dev, "Error couldn't enable clock (%d)\n", ret);
		goto out_iounmap;
	}

	ret = sunxi_sram_claim(&pdev->dev);
	if (ret) {
		dev_err(&pdev->dev, "Error couldn't map SRAM to device\n");
		goto out_clk_disable_unprepare;
	}

	db->phy_node = of_parse_phandle(np, "phy", 0);
	if (!db->phy_node) {
		dev_err(&pdev->dev, "no associated PHY\n");
		ret = -ENODEV;
		goto out_release_sram;
	}

	/* Read MAC-address from DT */
	mac_addr = of_get_mac_address(np);
	if (mac_addr)
		memcpy(ndev->dev_addr, mac_addr, ETH_ALEN);

	/* Check if the MAC address is valid, if not get a random one */
	if (!is_valid_ether_addr(ndev->dev_addr)) {
		eth_hw_addr_random(ndev);
		dev_warn(&pdev->dev, "using random MAC address %pM\n",
			 ndev->dev_addr);
	}

	db->emacrx_completed_flag = 1;
	emac_powerup(ndev);
	emac_reset(db);

	ndev->netdev_ops = &emac_netdev_ops;
	ndev->watchdog_timeo = msecs_to_jiffies(watchdog);
	ndev->ethtool_ops = &emac_ethtool_ops;

	platform_set_drvdata(pdev, ndev);

	/* Carrier starts down, phylib will bring it up */
	netif_carrier_off(ndev);

	ret = register_netdev(ndev);
	if (ret) {
		dev_err(&pdev->dev, "Registering netdev failed!\n");
		ret = -ENODEV;
		goto out_release_sram;
	}

	dev_info(&pdev->dev, "%s: at %p, IRQ %d MAC: %pM\n",
		 ndev->name, db->membase, ndev->irq, ndev->dev_addr);

	return 0;

out_release_sram:
	sunxi_sram_release(&pdev->dev);
out_clk_disable_unprepare:
	clk_disable_unprepare(db->clk);
out_iounmap:
	iounmap(db->membase);
out:
	dev_err(db->dev, "not found (%d).\n", ret);

	free_netdev(ndev);

	return ret;
}
Exemplo n.º 17
0
static int __devinit fs_enet_probe(struct of_device *ofdev,
                                   const struct of_device_id *match)
{
	struct net_device *ndev;
	struct fs_enet_private *fep;
	struct fs_platform_info *fpi;
	const u32 *data;
	const u8 *mac_addr;
	int privsize, len, ret = -ENODEV;

	fpi = kzalloc(sizeof(*fpi), GFP_KERNEL);
	if (!fpi)
		return -ENOMEM;

	if (!IS_FEC(match)) {
		data = of_get_property(ofdev->node, "fsl,cpm-command", &len);
		if (!data || len != 4)
			goto out_free_fpi;

		fpi->cp_command = *data;
	}

	fpi->rx_ring = 32;
	fpi->tx_ring = 32;
	fpi->rx_copybreak = 240;
	fpi->use_napi = 1;
	fpi->napi_weight = 17;

	ret = find_phy(ofdev->node, fpi);
	if (ret)
		goto out_free_fpi;

	privsize = sizeof(*fep) +
	           sizeof(struct sk_buff **) *
	           (fpi->rx_ring + fpi->tx_ring);

	ndev = alloc_etherdev(privsize);
	if (!ndev) {
		ret = -ENOMEM;
		goto out_free_fpi;
	}

	dev_set_drvdata(&ofdev->dev, ndev);

	fep = netdev_priv(ndev);
	fep->dev = &ofdev->dev;
	fep->ndev = ndev;
	fep->fpi = fpi;
	fep->ops = match->data;

	ret = fep->ops->setup_data(ndev);
	if (ret)
		goto out_free_dev;

	fep->rx_skbuff = (struct sk_buff **)&fep[1];
	fep->tx_skbuff = fep->rx_skbuff + fpi->rx_ring;

	spin_lock_init(&fep->lock);
	spin_lock_init(&fep->tx_lock);

	mac_addr = of_get_mac_address(ofdev->node);
	if (mac_addr)
		memcpy(ndev->dev_addr, mac_addr, 6);

	ret = fep->ops->allocate_bd(ndev);
	if (ret)
		goto out_cleanup_data;

	fep->rx_bd_base = fep->ring_base;
	fep->tx_bd_base = fep->rx_bd_base + fpi->rx_ring;

	fep->tx_ring = fpi->tx_ring;
	fep->rx_ring = fpi->rx_ring;

	ndev->open = fs_enet_open;
	ndev->hard_start_xmit = fs_enet_start_xmit;
	ndev->tx_timeout = fs_timeout;
	ndev->watchdog_timeo = 2 * HZ;
	ndev->stop = fs_enet_close;
	ndev->get_stats = fs_enet_get_stats;
	ndev->set_multicast_list = fs_set_multicast_list;

	if (fpi->use_napi)
		netif_napi_add(ndev, &fep->napi, fs_enet_rx_napi,
		               fpi->napi_weight);

	ndev->ethtool_ops = &fs_ethtool_ops;
	ndev->do_ioctl = fs_ioctl;

	init_timer(&fep->phy_timer_list);

	netif_carrier_off(ndev);

	ret = register_netdev(ndev);
	if (ret)
		goto out_free_bd;

	printk(KERN_INFO "%s: fs_enet: %02x:%02x:%02x:%02x:%02x:%02x\n",
	       ndev->name,
	       ndev->dev_addr[0], ndev->dev_addr[1], ndev->dev_addr[2],
	       ndev->dev_addr[3], ndev->dev_addr[4], ndev->dev_addr[5]);

	return 0;

out_free_bd:
	fep->ops->free_bd(ndev);
out_cleanup_data:
	fep->ops->cleanup_data(ndev);
out_free_dev:
	free_netdev(ndev);
	dev_set_drvdata(&ofdev->dev, NULL);
out_free_fpi:
	kfree(fpi);
	return ret;
}
Exemplo n.º 18
0
static int stmmac_probe_config_dt(struct platform_device *pdev,
				  struct plat_stmmacenet_data *plat,
				  const char **mac)
{
	struct device_node *np = pdev->dev.of_node;
	enum of_gpio_flags flags;
	int ret;
	const char * strings = NULL;
	int value;

	if (!np)
		return -ENODEV;

	*mac = of_get_mac_address(np);
	plat->interface = of_get_phy_mode(np);

	plat->mdio_bus_data = devm_kzalloc(&pdev->dev,
					   sizeof(struct stmmac_mdio_bus_data),
					   GFP_KERNEL);

	plat->init = stmmc_pltfr_init;
	plat->fix_mac_speed = stmmc_pltfr_fix_mac_speed;

	ret = of_property_read_string(np, "pmu_regulator", &strings);
	if (ret) {
		pr_err("%s: Can not read property: pmu_regulator.\n", __func__);
		g_bsp_priv.power_ctrl_by_pmu = false;
	} else {
		pr_info("%s: ethernet phy power controled by pmu(%s).\n", __func__, strings);
		g_bsp_priv.power_ctrl_by_pmu = true;
		strcpy(g_bsp_priv.pmu_regulator, strings);
	}

	ret = of_property_read_u32(np, "pmu_enable_level", &value);
	if (ret) {
		pr_err("%s: Can not read property: pmu_enable_level.\n", __func__);
		g_bsp_priv.power_ctrl_by_pmu = false;
	} else {
		pr_info("%s: ethernet phy power controled by pmu(level = %s).\n", __func__, (value == 1)?"HIGH":"LOW");
		g_bsp_priv.power_ctrl_by_pmu = true;
		g_bsp_priv.pmu_enable_level = value;
	}

	ret = of_property_read_string(np, "clock_in_out", &strings);
	if (ret) {
		pr_err("%s: Can not read property: clock_in_out.\n", __func__);
		g_bsp_priv.clock_input = true;
	} else {
		pr_info("%s: clock input or output? (%s).\n", __func__, strings);
		if (!strcmp(strings, "input")) {
			g_bsp_priv.clock_input = true;
		} else {
			g_bsp_priv.clock_input = false;
		}
	}

	ret = of_property_read_u32(np, "tx_delay", &value);
	if (ret) {
		g_bsp_priv.tx_delay = 0x30;
		pr_err("%s: Can not read property: tx_delay. set tx_delay to 0x%x\n", __func__, g_bsp_priv.tx_delay);
	} else {
		pr_info("%s: TX delay(0x%x).\n", __func__, value);
		g_bsp_priv.tx_delay = value;
	}

	ret = of_property_read_u32(np, "rx_delay", &value);
	if (ret) {
		g_bsp_priv.rx_delay = 0x10;
		pr_err("%s: Can not read property: rx_delay. set rx_delay to 0x%x\n", __func__, g_bsp_priv.rx_delay);
	} else {
		pr_info("%s: RX delay(0x%x).\n", __func__, value);
		g_bsp_priv.rx_delay = value;
	}

	g_bsp_priv.reset_io = 
			of_get_named_gpio_flags(np, "reset-gpio", 0, &flags);
	g_bsp_priv.reset_io_level = (flags == GPIO_ACTIVE_HIGH) ? 1 : 0;
	g_bsp_priv.power_io = 
			of_get_named_gpio_flags(np, "power-gpio", 0, &flags);
	g_bsp_priv.power_io_level = (flags == GPIO_ACTIVE_HIGH) ? 1 : 0;

	g_bsp_priv.phy_iface = plat->interface;
	g_bsp_priv.phy_power_on = phy_power_on;
	g_bsp_priv.gmac_clk_enable = gmac_clk_enable;

	plat->bsp_priv = &g_bsp_priv;

	/*
	 * Currently only the properties needed on SPEAr600
	 * are provided. All other properties should be added
	 * once needed on other platforms.
	 */
	if (of_device_is_compatible(np, "rockchip,rk3288-gmac") ||
            of_device_is_compatible(np, "rockchip,rk312x-gmac")) {
		plat->has_gmac = 1;
		plat->pmt = 1;
	}

	if (of_device_is_compatible(np, "rockchip,rk3288-gmac")) {
		g_bsp_priv.chip = RK3288_GMAC;
		printk("%s: is rockchip,rk3288-gmac", __func__);
	} if (of_device_is_compatible(np, "rockchip,rk312x-gmac")) {
		g_bsp_priv.chip = RK312X_GMAC;
		printk("%s: is rockchip,rk312x-gmac", __func__);
	}

	return 0;
}
Exemplo n.º 19
0
static int fs_enet_probe(struct platform_device *ofdev)
{
	const struct of_device_id *match;
	struct net_device *ndev;
	struct fs_enet_private *fep;
	struct fs_platform_info *fpi;
	const u32 *data;
	struct clk *clk;
	int err;
	const u8 *mac_addr;
	const char *phy_connection_type;
	int privsize, len, ret = -ENODEV;

	match = of_match_device(fs_enet_match, &ofdev->dev);
	if (!match)
		return -EINVAL;

	fpi = kzalloc(sizeof(*fpi), GFP_KERNEL);
	if (!fpi)
		return -ENOMEM;

	if (!IS_FEC(match)) {
		data = of_get_property(ofdev->dev.of_node, "fsl,cpm-command", &len);
		if (!data || len != 4)
			goto out_free_fpi;

		fpi->cp_command = *data;
	}

	fpi->rx_ring = 32;
	fpi->tx_ring = 32;
	fpi->rx_copybreak = 240;
	fpi->use_napi = 1;
	fpi->napi_weight = 17;
	fpi->phy_node = of_parse_phandle(ofdev->dev.of_node, "phy-handle", 0);
	if ((!fpi->phy_node) && (!of_get_property(ofdev->dev.of_node, "fixed-link",
						  NULL)))
		goto out_free_fpi;

	if (of_device_is_compatible(ofdev->dev.of_node, "fsl,mpc5125-fec")) {
		phy_connection_type = of_get_property(ofdev->dev.of_node,
						"phy-connection-type", NULL);
		if (phy_connection_type && !strcmp("rmii", phy_connection_type))
			fpi->use_rmii = 1;
	}

	/* make clock lookup non-fatal (the driver is shared among platforms),
	 * but require enable to succeed when a clock was specified/found,
	 * keep a reference to the clock upon successful acquisition
	 */
	clk = devm_clk_get(&ofdev->dev, "per");
	if (!IS_ERR(clk)) {
		err = clk_prepare_enable(clk);
		if (err) {
			ret = err;
			goto out_free_fpi;
		}
		fpi->clk_per = clk;
	}

	privsize = sizeof(*fep) +
	           sizeof(struct sk_buff **) *
	           (fpi->rx_ring + fpi->tx_ring);

	ndev = alloc_etherdev(privsize);
	if (!ndev) {
		ret = -ENOMEM;
		goto out_put;
	}

	SET_NETDEV_DEV(ndev, &ofdev->dev);
	platform_set_drvdata(ofdev, ndev);

	fep = netdev_priv(ndev);
	fep->dev = &ofdev->dev;
	fep->ndev = ndev;
	fep->fpi = fpi;
	fep->ops = match->data;

	ret = fep->ops->setup_data(ndev);
	if (ret)
		goto out_free_dev;

	fep->rx_skbuff = (struct sk_buff **)&fep[1];
	fep->tx_skbuff = fep->rx_skbuff + fpi->rx_ring;

	spin_lock_init(&fep->lock);
	spin_lock_init(&fep->tx_lock);

	mac_addr = of_get_mac_address(ofdev->dev.of_node);
	if (mac_addr)
		memcpy(ndev->dev_addr, mac_addr, ETH_ALEN);

	ret = fep->ops->allocate_bd(ndev);
	if (ret)
		goto out_cleanup_data;

	fep->rx_bd_base = fep->ring_base;
	fep->tx_bd_base = fep->rx_bd_base + fpi->rx_ring;

	fep->tx_ring = fpi->tx_ring;
	fep->rx_ring = fpi->rx_ring;

	ndev->netdev_ops = &fs_enet_netdev_ops;
	ndev->watchdog_timeo = 2 * HZ;
	if (fpi->use_napi)
		netif_napi_add(ndev, &fep->napi, fs_enet_rx_napi,
		               fpi->napi_weight);

	ndev->ethtool_ops = &fs_ethtool_ops;

	init_timer(&fep->phy_timer_list);

	netif_carrier_off(ndev);

	ret = register_netdev(ndev);
	if (ret)
		goto out_free_bd;

	pr_info("%s: fs_enet: %pM\n", ndev->name, ndev->dev_addr);

	return 0;

out_free_bd:
	fep->ops->free_bd(ndev);
out_cleanup_data:
	fep->ops->cleanup_data(ndev);
out_free_dev:
	free_netdev(ndev);
out_put:
	of_node_put(fpi->phy_node);
	if (fpi->clk_per)
		clk_disable_unprepare(fpi->clk_per);
out_free_fpi:
	kfree(fpi);
	return ret;
}
Exemplo n.º 20
0
static int
qca_spi_probe(struct spi_device *spi_device)
{
	struct qcaspi *qca = NULL;
	struct net_device *qcaspi_devs = NULL;
	u8 legacy_mode = 0;
	u16 signature;
	const char *mac;

	if (!spi_device->dev.of_node) {
		dev_err(&spi_device->dev, "Missing device tree\n");
		return -EINVAL;
	}

	legacy_mode = of_property_read_bool(spi_device->dev.of_node,
					    "qca,legacy-mode");

	if (qcaspi_clkspeed == 0) {
		if (spi_device->max_speed_hz)
			qcaspi_clkspeed = spi_device->max_speed_hz;
		else
			qcaspi_clkspeed = QCASPI_CLK_SPEED;
	}

	if ((qcaspi_clkspeed < QCASPI_CLK_SPEED_MIN) ||
	    (qcaspi_clkspeed > QCASPI_CLK_SPEED_MAX)) {
		dev_info(&spi_device->dev, "Invalid clkspeed: %d\n",
			 qcaspi_clkspeed);
		return -EINVAL;
	}

	if ((qcaspi_burst_len < QCASPI_BURST_LEN_MIN) ||
	    (qcaspi_burst_len > QCASPI_BURST_LEN_MAX)) {
		dev_info(&spi_device->dev, "Invalid burst len: %d\n",
			 qcaspi_burst_len);
		return -EINVAL;
	}

	if ((qcaspi_pluggable < QCASPI_PLUGGABLE_MIN) ||
	    (qcaspi_pluggable > QCASPI_PLUGGABLE_MAX)) {
		dev_info(&spi_device->dev, "Invalid pluggable: %d\n",
			 qcaspi_pluggable);
		return -EINVAL;
	}

	dev_info(&spi_device->dev, "ver=%s, clkspeed=%d, burst_len=%d, pluggable=%d\n",
		 QCASPI_DRV_VERSION,
		 qcaspi_clkspeed,
		 qcaspi_burst_len,
		 qcaspi_pluggable);

	spi_device->mode = SPI_MODE_3;
	spi_device->max_speed_hz = qcaspi_clkspeed;
	if (spi_setup(spi_device) < 0) {
		dev_err(&spi_device->dev, "Unable to setup SPI device\n");
		return -EFAULT;
	}

	qcaspi_devs = alloc_etherdev(sizeof(struct qcaspi));
	if (!qcaspi_devs)
		return -ENOMEM;

	qcaspi_netdev_setup(qcaspi_devs);

	qca = netdev_priv(qcaspi_devs);
	if (!qca) {
		free_netdev(qcaspi_devs);
		dev_err(&spi_device->dev, "Fail to retrieve private structure\n");
		return -ENOMEM;
	}
	qca->net_dev = qcaspi_devs;
	qca->spi_dev = spi_device;
	qca->legacy_mode = legacy_mode;

	mac = of_get_mac_address(spi_device->dev.of_node);

	if (mac)
		ether_addr_copy(qca->net_dev->dev_addr, mac);

	if (!is_valid_ether_addr(qca->net_dev->dev_addr)) {
		eth_hw_addr_random(qca->net_dev);
		dev_info(&spi_device->dev, "Using random MAC address: %pM\n",
			 qca->net_dev->dev_addr);
	}

	netif_carrier_off(qca->net_dev);

	if (!qcaspi_pluggable) {
		qcaspi_read_register(qca, SPI_REG_SIGNATURE, &signature);
		qcaspi_read_register(qca, SPI_REG_SIGNATURE, &signature);

		if (signature != QCASPI_GOOD_SIGNATURE) {
			dev_err(&spi_device->dev, "Invalid signature (0x%04X)\n",
				signature);
			free_netdev(qcaspi_devs);
			return -EFAULT;
		}
	}

	if (register_netdev(qcaspi_devs)) {
		dev_info(&spi_device->dev, "Unable to register net device %s\n",
			 qcaspi_devs->name);
		free_netdev(qcaspi_devs);
		return -EFAULT;
	}

	spi_set_drvdata(spi_device, qcaspi_devs);

	qcaspi_init_device_debugfs(qca);

	return 0;
}
Exemplo n.º 21
0
static int bgmac_probe(struct platform_device *pdev)
{
    struct device_node *np = pdev->dev.of_node;
    struct bgmac *bgmac;
    struct resource *regs;
    const u8 *mac_addr;

    bgmac = devm_kzalloc(&pdev->dev, sizeof(*bgmac), GFP_KERNEL);
    if (!bgmac)
        return -ENOMEM;

    platform_set_drvdata(pdev, bgmac);

    /* Set the features of the 4707 family */
    bgmac->feature_flags |= BGMAC_FEAT_CLKCTLST;
    bgmac->feature_flags |= BGMAC_FEAT_NO_RESET;
    bgmac->feature_flags |= BGMAC_FEAT_CMDCFG_SR_REV4;
    bgmac->feature_flags |= BGMAC_FEAT_TX_MASK_SETUP;
    bgmac->feature_flags |= BGMAC_FEAT_RX_MASK_SETUP;

    bgmac->dev = &pdev->dev;
    bgmac->dma_dev = &pdev->dev;

    mac_addr = of_get_mac_address(np);
    if (mac_addr)
        ether_addr_copy(bgmac->mac_addr, mac_addr);
    else
        dev_warn(&pdev->dev, "MAC address not present in device tree\n");

    bgmac->irq = platform_get_irq(pdev, 0);
    if (bgmac->irq < 0) {
        dev_err(&pdev->dev, "Unable to obtain IRQ\n");
        return bgmac->irq;
    }

    regs = platform_get_resource_byname(pdev, IORESOURCE_MEM, "amac_base");
    if (!regs) {
        dev_err(&pdev->dev, "Unable to obtain base resource\n");
        return -EINVAL;
    }

    bgmac->plat.base = devm_ioremap_resource(&pdev->dev, regs);
    if (IS_ERR(bgmac->plat.base))
        return PTR_ERR(bgmac->plat.base);

    regs = platform_get_resource_byname(pdev, IORESOURCE_MEM, "idm_base");
    if (!regs) {
        dev_err(&pdev->dev, "Unable to obtain idm resource\n");
        return -EINVAL;
    }

    bgmac->plat.idm_base = devm_ioremap_resource(&pdev->dev, regs);
    if (IS_ERR(bgmac->plat.idm_base))
        return PTR_ERR(bgmac->plat.idm_base);

    regs = platform_get_resource_byname(pdev, IORESOURCE_MEM, "nicpm_base");
    if (regs) {
        bgmac->plat.nicpm_base = devm_ioremap_resource(&pdev->dev,
                                 regs);
        if (IS_ERR(bgmac->plat.nicpm_base))
            return PTR_ERR(bgmac->plat.nicpm_base);
    }

    bgmac->read = platform_bgmac_read;
    bgmac->write = platform_bgmac_write;
    bgmac->idm_read = platform_bgmac_idm_read;
    bgmac->idm_write = platform_bgmac_idm_write;
    bgmac->clk_enabled = platform_bgmac_clk_enabled;
    bgmac->clk_enable = platform_bgmac_clk_enable;
    bgmac->cco_ctl_maskset = platform_bgmac_cco_ctl_maskset;
    bgmac->get_bus_clock = platform_bgmac_get_bus_clock;
    bgmac->cmn_maskset32 = platform_bgmac_cmn_maskset32;
    if (of_parse_phandle(np, "phy-handle", 0)) {
        bgmac->phy_connect = platform_phy_connect;
    } else {
        bgmac->phy_connect = bgmac_phy_connect_direct;
        bgmac->feature_flags |= BGMAC_FEAT_FORCE_SPEED_2500;
    }

    return bgmac_enet_probe(bgmac);
}
Exemplo n.º 22
0
static s32 nps_enet_probe(struct platform_device *pdev)
{
	struct device *dev = &pdev->dev;
	struct net_device *ndev;
	struct nps_enet_priv *priv;
	s32 err = 0;
	const char *mac_addr;
	struct resource *res_regs;

	if (!dev->of_node)
		return -ENODEV;

	ndev = alloc_etherdev(sizeof(struct nps_enet_priv));
	if (!ndev)
		return -ENOMEM;

	platform_set_drvdata(pdev, ndev);
	SET_NETDEV_DEV(ndev, dev);
	priv = netdev_priv(ndev);

	/* The EZ NET specific entries in the device structure. */
	ndev->netdev_ops = &nps_netdev_ops;
	ndev->watchdog_timeo = (400 * HZ / 1000);
	/* FIXME :: no multicast support yet */
	ndev->flags &= ~IFF_MULTICAST;

	res_regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
	priv->regs_base = devm_ioremap_resource(dev, res_regs);
	if (IS_ERR(priv->regs_base)) {
		err = PTR_ERR(priv->regs_base);
		goto out_netdev;
	}
	dev_dbg(dev, "Registers base address is 0x%p\n", priv->regs_base);

	/* set kernel MAC address to dev */
	mac_addr = of_get_mac_address(dev->of_node);
	if (mac_addr)
		ether_addr_copy(ndev->dev_addr, mac_addr);
	else
		eth_hw_addr_random(ndev);

	/* Get IRQ number */
	priv->irq = platform_get_irq(pdev, 0);
	if (!priv->irq) {
		dev_err(dev, "failed to retrieve <irq Rx-Tx> value from device tree\n");
		err = -ENODEV;
		goto out_netdev;
	}

	netif_napi_add(ndev, &priv->napi, nps_enet_poll,
		       NPS_ENET_NAPI_POLL_WEIGHT);

	/* Register the driver. Should be the last thing in probe */
	err = register_netdev(ndev);
	if (err) {
		dev_err(dev, "Failed to register ndev for %s, err = 0x%08x\n",
			ndev->name, (s32)err);
		goto out_netif_api;
	}

	dev_info(dev, "(rx/tx=%d)\n", priv->irq);
	return 0;

out_netif_api:
	netif_napi_del(&priv->napi);
out_netdev:
	if (err)
		free_netdev(ndev);

	return err;
}
Exemplo n.º 23
0
static int octeon_mgmt_probe(struct platform_device *pdev)
{
	struct net_device *netdev;
	struct octeon_mgmt *p;
	const __be32 *data;
	const u8 *mac;
	struct resource *res_mix;
	struct resource *res_agl;
	struct resource *res_agl_prt_ctl;
	int len;
	int result;

	netdev = alloc_etherdev(sizeof(struct octeon_mgmt));
	if (netdev == NULL)
		return -ENOMEM;

	SET_NETDEV_DEV(netdev, &pdev->dev);

	platform_set_drvdata(pdev, netdev);
	p = netdev_priv(netdev);
	netif_napi_add(netdev, &p->napi, octeon_mgmt_napi_poll,
		       OCTEON_MGMT_NAPI_WEIGHT);

	p->netdev = netdev;
	p->dev = &pdev->dev;
	p->has_rx_tstamp = false;

	data = of_get_property(pdev->dev.of_node, "cell-index", &len);
	if (data && len == sizeof(*data)) {
		p->port = be32_to_cpup(data);
	} else {
		dev_err(&pdev->dev, "no 'cell-index' property\n");
		result = -ENXIO;
		goto err;
	}

	snprintf(netdev->name, IFNAMSIZ, "mgmt%d", p->port);

	result = platform_get_irq(pdev, 0);
	if (result < 0)
		goto err;

	p->irq = result;

	res_mix = platform_get_resource(pdev, IORESOURCE_MEM, 0);
	if (res_mix == NULL) {
		dev_err(&pdev->dev, "no 'reg' resource\n");
		result = -ENXIO;
		goto err;
	}

	res_agl = platform_get_resource(pdev, IORESOURCE_MEM, 1);
	if (res_agl == NULL) {
		dev_err(&pdev->dev, "no 'reg' resource\n");
		result = -ENXIO;
		goto err;
	}

	res_agl_prt_ctl = platform_get_resource(pdev, IORESOURCE_MEM, 3);
	if (res_agl_prt_ctl == NULL) {
		dev_err(&pdev->dev, "no 'reg' resource\n");
		result = -ENXIO;
		goto err;
	}

	p->mix_phys = res_mix->start;
	p->mix_size = resource_size(res_mix);
	p->agl_phys = res_agl->start;
	p->agl_size = resource_size(res_agl);
	p->agl_prt_ctl_phys = res_agl_prt_ctl->start;
	p->agl_prt_ctl_size = resource_size(res_agl_prt_ctl);


	if (!devm_request_mem_region(&pdev->dev, p->mix_phys, p->mix_size,
				     res_mix->name)) {
		dev_err(&pdev->dev, "request_mem_region (%s) failed\n",
			res_mix->name);
		result = -ENXIO;
		goto err;
	}

	if (!devm_request_mem_region(&pdev->dev, p->agl_phys, p->agl_size,
				     res_agl->name)) {
		result = -ENXIO;
		dev_err(&pdev->dev, "request_mem_region (%s) failed\n",
			res_agl->name);
		goto err;
	}

	if (!devm_request_mem_region(&pdev->dev, p->agl_prt_ctl_phys,
				     p->agl_prt_ctl_size, res_agl_prt_ctl->name)) {
		result = -ENXIO;
		dev_err(&pdev->dev, "request_mem_region (%s) failed\n",
			res_agl_prt_ctl->name);
		goto err;
	}

	p->mix = (u64)devm_ioremap(&pdev->dev, p->mix_phys, p->mix_size);
	p->agl = (u64)devm_ioremap(&pdev->dev, p->agl_phys, p->agl_size);
	p->agl_prt_ctl = (u64)devm_ioremap(&pdev->dev, p->agl_prt_ctl_phys,
					   p->agl_prt_ctl_size);
	spin_lock_init(&p->lock);

	skb_queue_head_init(&p->tx_list);
	skb_queue_head_init(&p->rx_list);
	tasklet_init(&p->tx_clean_tasklet,
		     octeon_mgmt_clean_tx_tasklet, (unsigned long)p);

	netdev->priv_flags |= IFF_UNICAST_FLT;

	netdev->netdev_ops = &octeon_mgmt_ops;
	netdev->ethtool_ops = &octeon_mgmt_ethtool_ops;

	mac = of_get_mac_address(pdev->dev.of_node);

	if (mac)
		memcpy(netdev->dev_addr, mac, ETH_ALEN);
	else
		eth_hw_addr_random(netdev);

	p->phy_np = of_parse_phandle(pdev->dev.of_node, "phy-handle", 0);

	result = dma_coerce_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64));
	if (result)
		goto err;

	netif_carrier_off(netdev);
	result = register_netdev(netdev);
	if (result)
		goto err;

	dev_info(&pdev->dev, "Version " DRV_VERSION "\n");
	return 0;

err:
	free_netdev(netdev);
	return result;
}
Exemplo n.º 24
0
static int __init fs_enet_of_init(void)
{
	struct device_node *np;
	unsigned int i;
	struct platform_device *fs_enet_dev = NULL;
	struct resource res;
	int ret;

	for (np = NULL, i = 0;
	     (np = of_find_compatible_node(np, "network", "fs_enet")) != NULL;
	     i++) {
		struct resource r[4];
		struct device_node *phy = NULL, *mdio = NULL;
		struct fs_platform_info fs_enet_data;
		const unsigned int *id;
		const unsigned int *phy_addr;
		const void *mac_addr;
		const phandle *ph;
		const char *model;

		memset(r, 0, sizeof(r));
		memset(&fs_enet_data, 0, sizeof(fs_enet_data));

		model = of_get_property(np, "model", NULL);
		if (model == NULL) {
			ret = -ENODEV;
			goto unreg;
		}

		id = of_get_property(np, "device-id", NULL);
		fs_enet_data.fs_no = *id;

		if (platform_device_skip(model, *id))
			continue;

		ret = of_address_to_resource(np, 0, &r[0]);
		if (ret)
			goto err;
		r[0].name = enet_regs;

		mac_addr = of_get_mac_address(np);
		if (mac_addr)
			memcpy(fs_enet_data.macaddr, mac_addr, 6);

		ph = of_get_property(np, "phy-handle", NULL);
		if (ph != NULL)
			phy = of_find_node_by_phandle(*ph);

		if (phy != NULL) {
			phy_addr = of_get_property(phy, "reg", NULL);
			fs_enet_data.phy_addr = *phy_addr;
			fs_enet_data.has_phy = 1;

			mdio = of_get_parent(phy);
			ret = of_address_to_resource(mdio, 0, &res);
			if (ret) {
				of_node_put(phy);
				of_node_put(mdio);
                                goto unreg;
			}
		}

		model = of_get_property(np, "model", NULL);
		strcpy(fs_enet_data.fs_type, model);

		if (strstr(model, "FEC")) {
			r[1].start = r[1].end = irq_of_parse_and_map(np, 0);
			r[1].flags = IORESOURCE_IRQ;
			r[1].name = enet_irq;

			fs_enet_dev =
				    platform_device_register_simple("fsl-cpm-fec", i, &r[0], 2);

			if (IS_ERR(fs_enet_dev)) {
				ret = PTR_ERR(fs_enet_dev);
				goto err;
			}

			fs_enet_data.rx_ring = 128;
			fs_enet_data.tx_ring = 16;
			fs_enet_data.rx_copybreak = 240;
			fs_enet_data.use_napi = 1;
			fs_enet_data.napi_weight = 17;

			snprintf((char*)&bus_id[i], BUS_ID_SIZE, "%x:%02x",
							(u32)res.start, fs_enet_data.phy_addr);
			fs_enet_data.bus_id = (char*)&bus_id[i];
			fs_enet_data.init_ioports = init_fec_ioports;
		}
		if (strstr(model, "SCC")) {
			ret = of_address_to_resource(np, 1, &r[1]);
			if (ret)
				goto err;
			r[1].name = enet_pram;

			r[2].start = r[2].end = irq_of_parse_and_map(np, 0);
			r[2].flags = IORESOURCE_IRQ;
			r[2].name = enet_irq;

			fs_enet_dev =
				    platform_device_register_simple("fsl-cpm-scc", i, &r[0], 3);

			if (IS_ERR(fs_enet_dev)) {
				ret = PTR_ERR(fs_enet_dev);
				goto err;
			}

			fs_enet_data.rx_ring = 64;
			fs_enet_data.tx_ring = 8;
			fs_enet_data.rx_copybreak = 240;
			fs_enet_data.use_napi = 1;
			fs_enet_data.napi_weight = 17;

			snprintf((char*)&bus_id[i], BUS_ID_SIZE, "%s", "fixed@10:1");
                        fs_enet_data.bus_id = (char*)&bus_id[i];
			fs_enet_data.init_ioports = init_scc_ioports;
		}

		of_node_put(phy);
		of_node_put(mdio);

		ret = platform_device_add_data(fs_enet_dev, &fs_enet_data,
					     sizeof(struct
						    fs_platform_info));
		if (ret)
			goto unreg;
	}
	return 0;

unreg:
	platform_device_unregister(fs_enet_dev);
err:
	return ret;
}
Exemplo n.º 25
0
static int __devinit fs_enet_probe(struct platform_device *ofdev,
                                   const struct of_device_id *match)
{
	struct net_device *ndev;
	struct fs_enet_private *fep;
	struct fs_platform_info *fpi;
	const u32 *data;
	const u8 *mac_addr;
	int privsize, len, ret = -ENODEV;

	fpi = kzalloc(sizeof(*fpi), GFP_KERNEL);
	if (!fpi)
		return -ENOMEM;

	if (!IS_FEC(match)) {
		data = of_get_property(ofdev->dev.of_node, "fsl,cpm-command", &len);
		if (!data || len != 4)
			goto out_free_fpi;

		fpi->cp_command = *data;
	}

	fpi->rx_ring = 32;
	fpi->tx_ring = 32;
	fpi->rx_copybreak = 240;
	fpi->use_napi = 1;
	fpi->napi_weight = 17;
	fpi->phy_node = of_parse_phandle(ofdev->dev.of_node, "phy-handle", 0);
	if ((!fpi->phy_node) && (!of_get_property(ofdev->dev.of_node, "fixed-link",
						  NULL)))
		goto out_free_fpi;

	privsize = sizeof(*fep) +
	           sizeof(struct sk_buff **) *
	           (fpi->rx_ring + fpi->tx_ring);

	ndev = alloc_etherdev(privsize);
	if (!ndev) {
		ret = -ENOMEM;
		goto out_put;
	}

	SET_NETDEV_DEV(ndev, &ofdev->dev);
	dev_set_drvdata(&ofdev->dev, ndev);

	fep = netdev_priv(ndev);
	fep->dev = &ofdev->dev;
	fep->ndev = ndev;
	fep->fpi = fpi;
	fep->ops = match->data;

	ret = fep->ops->setup_data(ndev);
	if (ret)
		goto out_free_dev;

	fep->rx_skbuff = (struct sk_buff **)&fep[1];
	fep->tx_skbuff = fep->rx_skbuff + fpi->rx_ring;

	spin_lock_init(&fep->lock);
	spin_lock_init(&fep->tx_lock);

	mac_addr = of_get_mac_address(ofdev->dev.of_node);
	if (mac_addr)
		memcpy(ndev->dev_addr, mac_addr, 6);

	ret = fep->ops->allocate_bd(ndev);
	if (ret)
		goto out_cleanup_data;

	fep->rx_bd_base = fep->ring_base;
	fep->tx_bd_base = fep->rx_bd_base + fpi->rx_ring;

	fep->tx_ring = fpi->tx_ring;
	fep->rx_ring = fpi->rx_ring;

	ndev->netdev_ops = &fs_enet_netdev_ops;
	ndev->watchdog_timeo = 2 * HZ;
	if (fpi->use_napi)
		netif_napi_add(ndev, &fep->napi, fs_enet_rx_napi,
		               fpi->napi_weight);

	ndev->ethtool_ops = &fs_ethtool_ops;

	init_timer(&fep->phy_timer_list);

	netif_carrier_off(ndev);

	ret = register_netdev(ndev);
	if (ret)
		goto out_free_bd;

	pr_info("%s: fs_enet: %pM\n", ndev->name, ndev->dev_addr);

	return 0;

out_free_bd:
	fep->ops->free_bd(ndev);
out_cleanup_data:
	fep->ops->cleanup_data(ndev);
out_free_dev:
	free_netdev(ndev);
	dev_set_drvdata(&ofdev->dev, NULL);
out_put:
	of_node_put(fpi->phy_node);
out_free_fpi:
	kfree(fpi);
	return ret;
}
Exemplo n.º 26
0
static int __init fs_enet_of_init(void)
{
	struct device_node *np;
	unsigned int i;
	struct platform_device *fs_enet_dev;
	struct resource res;
	int ret;

	for (np = NULL, i = 0;
	     (np = of_find_compatible_node(np, "network", "fs_enet")) != NULL;
	     i++) {
		struct resource r[4];
		struct device_node *phy, *mdio;
		struct fs_platform_info fs_enet_data;
		const unsigned int *id, *phy_addr, *phy_irq;
		const void *mac_addr;
		const phandle *ph;
		const char *model;

		memset(r, 0, sizeof(r));
		memset(&fs_enet_data, 0, sizeof(fs_enet_data));

		ret = of_address_to_resource(np, 0, &r[0]);
		if (ret)
			goto err;
		r[0].name = fcc_regs;

		ret = of_address_to_resource(np, 1, &r[1]);
		if (ret)
			goto err;
		r[1].name = fcc_pram;

		ret = of_address_to_resource(np, 2, &r[2]);
		if (ret)
			goto err;
		r[2].name = fcc_regs_c;
		fs_enet_data.fcc_regs_c = r[2].start;

		of_irq_to_resource(np, 0, &r[3]);

		fs_enet_dev =
		    platform_device_register_simple("fsl-cpm-fcc", i, &r[0], 4);

		if (IS_ERR(fs_enet_dev)) {
			ret = PTR_ERR(fs_enet_dev);
			goto err;
		}

		model = of_get_property(np, "model", NULL);
		if (model == NULL) {
			ret = -ENODEV;
			goto unreg;
		}

		mac_addr = of_get_mac_address(np);
		if (mac_addr)
			memcpy(fs_enet_data.macaddr, mac_addr, 6);

		ph = of_get_property(np, "phy-handle", NULL);
		phy = of_find_node_by_phandle(*ph);

		if (phy == NULL) {
			ret = -ENODEV;
			goto unreg;
		}

		phy_addr = of_get_property(phy, "reg", NULL);
		fs_enet_data.phy_addr = *phy_addr;

		phy_irq = of_get_property(phy, "interrupts", NULL);

		id = of_get_property(np, "device-id", NULL);
		fs_enet_data.fs_no = *id;
		strcpy(fs_enet_data.fs_type, model);

		mdio = of_get_parent(phy);
                ret = of_address_to_resource(mdio, 0, &res);
                if (ret) {
                        of_node_put(phy);
                        of_node_put(mdio);
                        goto unreg;
                }

		fs_enet_data.clk_rx = *((u32 *)of_get_property(np,
						"rx-clock", NULL));
		fs_enet_data.clk_tx = *((u32 *)of_get_property(np,
						"tx-clock", NULL));

		if (strstr(model, "FCC")) {
			int fcc_index = *id - 1;
			const unsigned char *mdio_bb_prop;

			fs_enet_data.dpram_offset = (u32)cpm_dpram_addr(0);
			fs_enet_data.rx_ring = 32;
			fs_enet_data.tx_ring = 32;
			fs_enet_data.rx_copybreak = 240;
			fs_enet_data.use_napi = 0;
			fs_enet_data.napi_weight = 17;
			fs_enet_data.mem_offset = FCC_MEM_OFFSET(fcc_index);
			fs_enet_data.cp_page = CPM_CR_FCC_PAGE(fcc_index);
			fs_enet_data.cp_block = CPM_CR_FCC_SBLOCK(fcc_index);

			snprintf((char*)&bus_id[(*id)], BUS_ID_SIZE, "%x:%02x",
							(u32)res.start, fs_enet_data.phy_addr);
			fs_enet_data.bus_id = (char*)&bus_id[(*id)];
			fs_enet_data.init_ioports = init_fcc_ioports;

			mdio_bb_prop = of_get_property(phy, "bitbang", NULL);
			if (mdio_bb_prop) {
				struct platform_device *fs_enet_mdio_bb_dev;
				struct fs_mii_bb_platform_info fs_enet_mdio_bb_data;

				fs_enet_mdio_bb_dev =
					platform_device_register_simple("fsl-bb-mdio",
							i, NULL, 0);
				memset(&fs_enet_mdio_bb_data, 0,
						sizeof(struct fs_mii_bb_platform_info));
				fs_enet_mdio_bb_data.mdio_dat.bit =
					mdio_bb_prop[0];
				fs_enet_mdio_bb_data.mdio_dir.bit =
					mdio_bb_prop[1];
				fs_enet_mdio_bb_data.mdc_dat.bit =
					mdio_bb_prop[2];
				fs_enet_mdio_bb_data.mdio_port =
					mdio_bb_prop[3];
				fs_enet_mdio_bb_data.mdc_port =
					mdio_bb_prop[4];
				fs_enet_mdio_bb_data.delay =
					mdio_bb_prop[5];

				fs_enet_mdio_bb_data.irq[0] = phy_irq[0];
				fs_enet_mdio_bb_data.irq[1] = -1;
				fs_enet_mdio_bb_data.irq[2] = -1;
				fs_enet_mdio_bb_data.irq[3] = phy_irq[0];
				fs_enet_mdio_bb_data.irq[31] = -1;

				fs_enet_mdio_bb_data.mdio_dat.offset =
					(u32)&cpm2_immr->im_ioport.iop_pdatc;
				fs_enet_mdio_bb_data.mdio_dir.offset =
					(u32)&cpm2_immr->im_ioport.iop_pdirc;
				fs_enet_mdio_bb_data.mdc_dat.offset =
					(u32)&cpm2_immr->im_ioport.iop_pdatc;

				ret = platform_device_add_data(
						fs_enet_mdio_bb_dev,
						&fs_enet_mdio_bb_data,
						sizeof(struct fs_mii_bb_platform_info));
				if (ret)
					goto unreg;
			}

			of_node_put(phy);
			of_node_put(mdio);

			ret = platform_device_add_data(fs_enet_dev, &fs_enet_data,
						     sizeof(struct
							    fs_platform_info));
			if (ret)
				goto unreg;
		}
	}
	return 0;

unreg:
	platform_device_unregister(fs_enet_dev);
err:
	return ret;
}
Exemplo n.º 27
0
/* Detect MAC & PHY and perform ethernet interface initialization */
static int __init at91ether_probe(struct platform_device *pdev)
{
	struct macb_platform_data *board_data = dev_get_platdata(&pdev->dev);
	struct resource *regs;
	struct net_device *dev;
	struct phy_device *phydev;
	struct macb *lp;
	int res;
	u32 reg;
	const char *mac;

	regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
	if (!regs)
		return -ENOENT;

	dev = alloc_etherdev(sizeof(struct macb));
	if (!dev)
		return -ENOMEM;

	lp = netdev_priv(dev);
	lp->pdev = pdev;
	lp->dev = dev;
	spin_lock_init(&lp->lock);

	/* physical base address */
	dev->base_addr = regs->start;
	lp->regs = devm_ioremap(&pdev->dev, regs->start, resource_size(regs));
	if (!lp->regs) {
		res = -ENOMEM;
		goto err_free_dev;
	}

	/* Clock */
	lp->pclk = devm_clk_get(&pdev->dev, "ether_clk");
	if (IS_ERR(lp->pclk)) {
		res = PTR_ERR(lp->pclk);
		goto err_free_dev;
	}
	clk_enable(lp->pclk);

	lp->hclk = ERR_PTR(-ENOENT);
	lp->tx_clk = ERR_PTR(-ENOENT);

	/* Install the interrupt handler */
	dev->irq = platform_get_irq(pdev, 0);
	res = devm_request_irq(&pdev->dev, dev->irq, at91ether_interrupt, 0, dev->name, dev);
	if (res)
		goto err_disable_clock;

	ether_setup(dev);
	dev->netdev_ops = &at91ether_netdev_ops;
	dev->ethtool_ops = &macb_ethtool_ops;
	platform_set_drvdata(pdev, dev);
	SET_NETDEV_DEV(dev, &pdev->dev);

	mac = of_get_mac_address(pdev->dev.of_node);
	if (mac)
		memcpy(lp->dev->dev_addr, mac, ETH_ALEN);
	else
		macb_get_hwaddr(lp);

	res = of_get_phy_mode(pdev->dev.of_node);
	if (res < 0) {
		if (board_data && board_data->is_rmii)
			lp->phy_interface = PHY_INTERFACE_MODE_RMII;
		else
			lp->phy_interface = PHY_INTERFACE_MODE_MII;
	} else {
		lp->phy_interface = res;
	}

	macb_writel(lp, NCR, 0);

	reg = MACB_BF(CLK, MACB_CLK_DIV32) | MACB_BIT(BIG);
	if (lp->phy_interface == PHY_INTERFACE_MODE_RMII)
		reg |= MACB_BIT(RM9200_RMII);

	macb_writel(lp, NCFGR, reg);

	/* Register the network interface */
	res = register_netdev(dev);
	if (res)
		goto err_disable_clock;

	res = macb_mii_init(lp);
	if (res)
		goto err_out_unregister_netdev;

	/* will be enabled in open() */
	netif_carrier_off(dev);

	phydev = lp->phy_dev;
	netdev_info(dev, "attached PHY driver [%s] (mii_bus:phy_addr=%s, irq=%d)\n",
				phydev->drv->name, dev_name(&phydev->dev),
				phydev->irq);

	/* Display ethernet banner */
	netdev_info(dev, "AT91 ethernet at 0x%08lx int=%d (%pM)\n",
				dev->base_addr, dev->irq, dev->dev_addr);

	return 0;

err_out_unregister_netdev:
	unregister_netdev(dev);
err_disable_clock:
	clk_disable(lp->pclk);
err_free_dev:
	free_netdev(dev);
	return res;
}
Exemplo n.º 28
0
static int xgbe_probe(struct platform_device *pdev)
{
	struct xgbe_prv_data *pdata;
	struct xgbe_hw_if *hw_if;
	struct xgbe_desc_if *desc_if;
	struct net_device *netdev;
	struct device *dev = &pdev->dev;
	struct resource *res;
	const u8 *mac_addr;
	int ret;

	DBGPR("--> xgbe_probe\n");

	netdev = alloc_etherdev_mq(sizeof(struct xgbe_prv_data),
				   XGBE_MAX_DMA_CHANNELS);
	if (!netdev) {
		dev_err(dev, "alloc_etherdev failed\n");
		ret = -ENOMEM;
		goto err_alloc;
	}
	SET_NETDEV_DEV(netdev, dev);
	pdata = netdev_priv(netdev);
	pdata->netdev = netdev;
	pdata->pdev = pdev;
	pdata->dev = dev;
	platform_set_drvdata(pdev, netdev);

	spin_lock_init(&pdata->lock);
	mutex_init(&pdata->xpcs_mutex);
	spin_lock_init(&pdata->tstamp_lock);

	/* Set and validate the number of descriptors for a ring */
	BUILD_BUG_ON_NOT_POWER_OF_2(XGBE_TX_DESC_CNT);
	pdata->tx_desc_count = XGBE_TX_DESC_CNT;
	if (pdata->tx_desc_count & (pdata->tx_desc_count - 1)) {
		dev_err(dev, "tx descriptor count (%d) is not valid\n",
			pdata->tx_desc_count);
		ret = -EINVAL;
		goto err_io;
	}
	BUILD_BUG_ON_NOT_POWER_OF_2(XGBE_RX_DESC_CNT);
	pdata->rx_desc_count = XGBE_RX_DESC_CNT;
	if (pdata->rx_desc_count & (pdata->rx_desc_count - 1)) {
		dev_err(dev, "rx descriptor count (%d) is not valid\n",
			pdata->rx_desc_count);
		ret = -EINVAL;
		goto err_io;
	}

	/* Obtain the system clock setting */
	pdata->sysclk = devm_clk_get(dev, XGBE_DMA_CLOCK);
	if (IS_ERR(pdata->sysclk)) {
		dev_err(dev, "dma devm_clk_get failed\n");
		ret = PTR_ERR(pdata->sysclk);
		goto err_io;
	}

	/* Obtain the PTP clock setting */
	pdata->ptpclk = devm_clk_get(dev, XGBE_PTP_CLOCK);
	if (IS_ERR(pdata->ptpclk)) {
		dev_err(dev, "ptp devm_clk_get failed\n");
		ret = PTR_ERR(pdata->ptpclk);
		goto err_io;
	}

	/* Obtain the mmio areas for the device */
	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
	pdata->xgmac_regs = devm_ioremap_resource(dev, res);
	if (IS_ERR(pdata->xgmac_regs)) {
		dev_err(dev, "xgmac ioremap failed\n");
		ret = PTR_ERR(pdata->xgmac_regs);
		goto err_io;
	}
	DBGPR("  xgmac_regs = %p\n", pdata->xgmac_regs);

	res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
	pdata->xpcs_regs = devm_ioremap_resource(dev, res);
	if (IS_ERR(pdata->xpcs_regs)) {
		dev_err(dev, "xpcs ioremap failed\n");
		ret = PTR_ERR(pdata->xpcs_regs);
		goto err_io;
	}
	DBGPR("  xpcs_regs  = %p\n", pdata->xpcs_regs);

	/* Set the DMA mask */
	if (!dev->dma_mask)
		dev->dma_mask = &dev->coherent_dma_mask;
	ret = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(40));
	if (ret) {
		dev_err(dev, "dma_set_mask_and_coherent failed\n");
		goto err_io;
	}

	if (of_property_read_bool(dev->of_node, "dma-coherent")) {
		pdata->axdomain = XGBE_DMA_OS_AXDOMAIN;
		pdata->arcache = XGBE_DMA_OS_ARCACHE;
		pdata->awcache = XGBE_DMA_OS_AWCACHE;
	} else {
		pdata->axdomain = XGBE_DMA_SYS_AXDOMAIN;
		pdata->arcache = XGBE_DMA_SYS_ARCACHE;
		pdata->awcache = XGBE_DMA_SYS_AWCACHE;
	}

	ret = platform_get_irq(pdev, 0);
	if (ret < 0) {
		dev_err(dev, "platform_get_irq failed\n");
		goto err_io;
	}
	netdev->irq = ret;
	netdev->base_addr = (unsigned long)pdata->xgmac_regs;

	/* Set all the function pointers */
	xgbe_init_all_fptrs(pdata);
	hw_if = &pdata->hw_if;
	desc_if = &pdata->desc_if;

	/* Issue software reset to device */
	hw_if->exit(pdata);

	/* Populate the hardware features */
	xgbe_get_all_hw_features(pdata);

	/* Retrieve the MAC address */
	mac_addr = of_get_mac_address(dev->of_node);
	if (!mac_addr) {
		dev_err(dev, "invalid mac address for this device\n");
		ret = -EINVAL;
		goto err_io;
	}
	memcpy(netdev->dev_addr, mac_addr, netdev->addr_len);

	/* Retrieve the PHY mode - it must be "xgmii" */
	pdata->phy_mode = of_get_phy_mode(dev->of_node);
	if (pdata->phy_mode != PHY_INTERFACE_MODE_XGMII) {
		dev_err(dev, "invalid phy-mode specified for this device\n");
		ret = -EINVAL;
		goto err_io;
	}

	/* Set default configuration data */
	xgbe_default_config(pdata);

	/* Calculate the number of Tx and Rx rings to be created
	 *  -Tx (DMA) Channels map 1-to-1 to Tx Queues so set
	 *   the number of Tx queues to the number of Tx channels
	 *   enabled
	 *  -Rx (DMA) Channels do not map 1-to-1 so use the actual
	 *   number of Rx queues
	 */
	pdata->tx_ring_count = min_t(unsigned int, num_online_cpus(),
				     pdata->hw_feat.tx_ch_cnt);
	pdata->tx_q_count = pdata->tx_ring_count;
	ret = netif_set_real_num_tx_queues(netdev, pdata->tx_ring_count);
	if (ret) {
		dev_err(dev, "error setting real tx queue count\n");
		goto err_io;
	}

	pdata->rx_ring_count = min_t(unsigned int,
				     netif_get_num_default_rss_queues(),
				     pdata->hw_feat.rx_ch_cnt);
	pdata->rx_q_count = pdata->hw_feat.rx_q_cnt;
	ret = netif_set_real_num_rx_queues(netdev, pdata->rx_ring_count);
	if (ret) {
		dev_err(dev, "error setting real rx queue count\n");
		goto err_io;
	}

	/* Allocate the rings for the DMA channels */
	pdata->channel = xgbe_alloc_rings(pdata);
	if (!pdata->channel) {
		dev_err(dev, "ring allocation failed\n");
		ret = -ENOMEM;
		goto err_io;
	}

	/* Prepare to regsiter with MDIO */
	pdata->mii_bus_id = kasprintf(GFP_KERNEL, "%s", pdev->name);
	if (!pdata->mii_bus_id) {
		dev_err(dev, "failed to allocate mii bus id\n");
		ret = -ENOMEM;
		goto err_io;
	}
	ret = xgbe_mdio_register(pdata);
	if (ret)
		goto err_bus_id;

	/* Set device operations */
	netdev->netdev_ops = xgbe_get_netdev_ops();
	netdev->ethtool_ops = xgbe_get_ethtool_ops();
#ifdef CONFIG_AMD_XGBE_DCB
	netdev->dcbnl_ops = xgbe_get_dcbnl_ops();
#endif

	/* Set device features */
	netdev->hw_features = NETIF_F_SG |
			      NETIF_F_IP_CSUM |
			      NETIF_F_IPV6_CSUM |
			      NETIF_F_RXCSUM |
			      NETIF_F_TSO |
			      NETIF_F_TSO6 |
			      NETIF_F_GRO |
			      NETIF_F_HW_VLAN_CTAG_RX |
			      NETIF_F_HW_VLAN_CTAG_TX |
			      NETIF_F_HW_VLAN_CTAG_FILTER;

	netdev->vlan_features |= NETIF_F_SG |
				 NETIF_F_IP_CSUM |
				 NETIF_F_IPV6_CSUM |
				 NETIF_F_TSO |
				 NETIF_F_TSO6;

	netdev->features |= netdev->hw_features;
	pdata->netdev_features = netdev->features;

	netdev->priv_flags |= IFF_UNICAST_FLT;

	xgbe_init_rx_coalesce(pdata);
	xgbe_init_tx_coalesce(pdata);

	netif_carrier_off(netdev);
	ret = register_netdev(netdev);
	if (ret) {
		dev_err(dev, "net device registration failed\n");
		goto err_reg_netdev;
	}

	xgbe_ptp_register(pdata);

	xgbe_debugfs_init(pdata);

	netdev_notice(netdev, "net device enabled\n");

	DBGPR("<-- xgbe_probe\n");

	return 0;

err_reg_netdev:
	xgbe_mdio_unregister(pdata);

err_bus_id:
	kfree(pdata->mii_bus_id);

err_io:
	free_netdev(netdev);

err_alloc:
	dev_notice(dev, "net device not enabled\n");

	return ret;
}
Exemplo n.º 29
0
static int __init tsi108_eth_of_init(void)
{
	struct device_node *np;
	unsigned int i;
	struct platform_device *tsi_eth_dev;
	struct resource res;
	int ret;

	for (np = NULL, i = 0;
	     (np = of_find_compatible_node(np, "network", "tsi-ethernet")) != NULL;
	     i++) {
		struct resource r[2];
		struct device_node *phy;
		hw_info tsi_eth_data;
		const unsigned int *id;
		const unsigned int *phy_id;
		const void *mac_addr;
		const phandle *ph;

		memset(r, 0, sizeof(r));
		memset(&tsi_eth_data, 0, sizeof(tsi_eth_data));

		ret = of_address_to_resource(np, 0, &r[0]);
		DBG("%s: name:start->end = %s:0x%lx-> 0x%lx\n",
			__FUNCTION__,r[0].name, r[0].start, r[0].end);
		if (ret)
			goto err;

		r[1].name = "tx";
		r[1].start = irq_of_parse_and_map(np, 0);
		r[1].end = irq_of_parse_and_map(np, 0);
		r[1].flags = IORESOURCE_IRQ;
		DBG("%s: name:start->end = %s:0x%lx-> 0x%lx\n",
			__FUNCTION__,r[1].name, r[1].start, r[1].end);

		tsi_eth_dev =
		    platform_device_register_simple("tsi-ethernet", i, &r[0],
						    1);

		if (IS_ERR(tsi_eth_dev)) {
			ret = PTR_ERR(tsi_eth_dev);
			goto err;
		}

		mac_addr = of_get_mac_address(np);
		if (mac_addr)
			memcpy(tsi_eth_data.mac_addr, mac_addr, 6);

		ph = of_get_property(np, "phy-handle", NULL);
		phy = of_find_node_by_phandle(*ph);

		if (phy == NULL) {
			ret = -ENODEV;
			goto unreg;
		}

		id = of_get_property(phy, "reg", NULL);
		phy_id = of_get_property(phy, "phy-id", NULL);
		ret = of_address_to_resource(phy, 0, &res);
		if (ret) {
			of_node_put(phy);
			goto unreg;
		}
		tsi_eth_data.regs = r[0].start;
		tsi_eth_data.phyregs = res.start;
		tsi_eth_data.phy = *phy_id;
		tsi_eth_data.irq_num = irq_of_parse_and_map(np, 0);
		if (of_device_is_compatible(phy, "bcm54xx"))
			tsi_eth_data.phy_type = TSI108_PHY_BCM54XX;
		of_node_put(phy);
		ret =
		    platform_device_add_data(tsi_eth_dev, &tsi_eth_data,
					     sizeof(hw_info));
		if (ret)
			goto unreg;
	}
	return 0;
unreg:
	platform_device_unregister(tsi_eth_dev);
err:
	return ret;
}
Exemplo n.º 30
0
static int __init mv64x60_eth_device_setup(struct device_node *np, int id)
{
	struct resource r[1];
	struct mv643xx_eth_platform_data pdata;
	struct platform_device *pdev;
	struct device_node *phy;
	const u8 *mac_addr;
	const int *prop;
	const phandle *ph;
	int err;

	/* only register the shared platform device the first time through */
	if (id == 0 && (err = eth_register_shared_pdev(np)))
		return err;;

	memset(r, 0, sizeof(r));
	of_irq_to_resource(np, 0, &r[0]);

	memset(&pdata, 0, sizeof(pdata));

	prop = of_get_property(np, "block-index", NULL);
	if (!prop)
		return -ENODEV;
	pdata.port_number = *prop;

	mac_addr = of_get_mac_address(np);
	if (mac_addr)
		memcpy(pdata.mac_addr, mac_addr, 6);

	prop = of_get_property(np, "speed", NULL);
	if (prop)
		pdata.speed = *prop;

	prop = of_get_property(np, "tx_queue_size", NULL);
	if (prop)
		pdata.tx_queue_size = *prop;

	prop = of_get_property(np, "rx_queue_size", NULL);
	if (prop)
		pdata.rx_queue_size = *prop;

	prop = of_get_property(np, "tx_sram_addr", NULL);
	if (prop)
		pdata.tx_sram_addr = *prop;

	prop = of_get_property(np, "tx_sram_size", NULL);
	if (prop)
		pdata.tx_sram_size = *prop;

	prop = of_get_property(np, "rx_sram_addr", NULL);
	if (prop)
		pdata.rx_sram_addr = *prop;

	prop = of_get_property(np, "rx_sram_size", NULL);
	if (prop)
		pdata.rx_sram_size = *prop;

	ph = of_get_property(np, "phy", NULL);
	if (!ph)
		return -ENODEV;

	phy = of_find_node_by_phandle(*ph);
	if (phy == NULL)
		return -ENODEV;

	prop = of_get_property(phy, "reg", NULL);
	if (prop) {
		pdata.force_phy_addr = 1;
		pdata.phy_addr = *prop;
	}

	of_node_put(phy);

	pdev = platform_device_alloc(MV643XX_ETH_NAME, pdata.port_number);
	if (!pdev)
		return -ENOMEM;

	err = platform_device_add_resources(pdev, r, 1);
	if (err)
		goto error;

	err = platform_device_add_data(pdev, &pdata, sizeof(pdata));
	if (err)
		goto error;

	err = platform_device_add(pdev);
	if (err)
		goto error;

	return 0;

error:
	platform_device_put(pdev);
	return err;
}