C++ (Cpp) tx_descs_init Exemples

Exemple #1

Fichier : designware.c Projet : RobertCNelson/u-boot-boards

int designware_eth_init(struct dw_eth_dev *priv, u8 *enetaddr)
{
	struct eth_mac_regs *mac_p = priv->mac_regs_p;
	struct eth_dma_regs *dma_p = priv->dma_regs_p;
	unsigned int start;
	int ret;

	writel(readl(&dma_p->busmode) | DMAMAC_SRST, &dma_p->busmode);

	start = get_timer(0);
	while (readl(&dma_p->busmode) & DMAMAC_SRST) {
		if (get_timer(start) >= CONFIG_MACRESET_TIMEOUT) {
			printf("DMA reset timeout\n");
			return -ETIMEDOUT;
		}

		mdelay(100);
	};

	/*
	 * Soft reset above clears HW address registers.
	 * So we have to set it here once again.
	 */
	_dw_write_hwaddr(priv, enetaddr);

	rx_descs_init(priv);
	tx_descs_init(priv);

	writel(FIXEDBURST | PRIORXTX_41 | DMA_PBL, &dma_p->busmode);

#ifndef CONFIG_DW_MAC_FORCE_THRESHOLD_MODE
	writel(readl(&dma_p->opmode) | FLUSHTXFIFO | STOREFORWARD,
	       &dma_p->opmode);
#else
	writel(readl(&dma_p->opmode) | FLUSHTXFIFO,
	       &dma_p->opmode);
#endif

	writel(readl(&dma_p->opmode) | RXSTART | TXSTART, &dma_p->opmode);

#ifdef CONFIG_DW_AXI_BURST_LEN
	writel((CONFIG_DW_AXI_BURST_LEN & 0x1FF >> 1), &dma_p->axibus);
#endif

	/* Start up the PHY */
	ret = phy_startup(priv->phydev);
	if (ret) {
		printf("Could not initialize PHY %s\n",
		       priv->phydev->dev->name);
		return ret;
	}

	ret = dw_adjust_link(priv, mac_p, priv->phydev);
	if (ret)
		return ret;

	return 0;
}

Exemple #2

Fichier : designware.c Projet : CDACBANG/u-boot-wingz

static int dw_eth_init(struct eth_device *dev, bd_t *bis)
{
	struct dw_eth_dev *priv = dev->priv;
	struct eth_mac_regs *mac_p = priv->mac_regs_p;
	struct eth_dma_regs *dma_p = priv->dma_regs_p;
	unsigned int start;

	writel(readl(&dma_p->busmode) | DMAMAC_SRST, &dma_p->busmode);

	start = get_timer(0);
	while (readl(&dma_p->busmode) & DMAMAC_SRST) {
		if (get_timer(start) >= CONFIG_MACRESET_TIMEOUT)
			return -1;

		mdelay(100);
	};

	/* Soft reset above clears HW address registers.
	 * So we have to set it here once again */
	dw_write_hwaddr(dev);

	rx_descs_init(dev);
	tx_descs_init(dev);

	writel(FIXEDBURST | PRIORXTX_41 | DMA_PBL, &dma_p->busmode);

	writel(readl(&dma_p->opmode) | FLUSHTXFIFO | STOREFORWARD,
	       &dma_p->opmode);

	writel(readl(&dma_p->opmode) | RXSTART | TXSTART, &dma_p->opmode);

	/* Start up the PHY */
	if (phy_startup(priv->phydev)) {
		printf("Could not initialize PHY %s\n",
		       priv->phydev->dev->name);
		return -1;
	}

	dw_adjust_link(mac_p, priv->phydev);

	if (!priv->phydev->link)
		return -1;

	writel(readl(&mac_p->conf) | RXENABLE | TXENABLE, &mac_p->conf);

	return 0;
}

Exemple #3

Fichier : designware.c Projet : AshishNamdev/u-boot

static void descs_init(struct eth_device *dev)
{
	tx_descs_init(dev);
	rx_descs_init(dev);
}