C++ (Cpp) zynq_phy_init Beispiele

Beispiel #1

Datei: zynq_gem.c Projekt: CelerityEDS/u-boot-xlnx

static int zynq_gem_probe(struct udevice *dev)
{
	void *bd_space;
	struct zynq_gem_priv *priv = dev_get_priv(dev);
	int ret;

	/* Align rxbuffers to ARCH_DMA_MINALIGN */
	priv->rxbuffers = memalign(ARCH_DMA_MINALIGN, RX_BUF * PKTSIZE_ALIGN);
	memset(priv->rxbuffers, 0, RX_BUF * PKTSIZE_ALIGN);

	/* Align bd_space to MMU_SECTION_SHIFT */
	bd_space = memalign(1 << MMU_SECTION_SHIFT, BD_SPACE);
	mmu_set_region_dcache_behaviour((phys_addr_t)bd_space,
					BD_SPACE, DCACHE_OFF);

	/* Initialize the bd spaces for tx and rx bd's */
	priv->tx_bd = (struct emac_bd *)bd_space;
	priv->rx_bd = (struct emac_bd *)((ulong)bd_space + BD_SEPRN_SPACE);

	priv->bus = mdio_alloc();
	priv->bus->read = zynq_gem_miiphy_read;
	priv->bus->write = zynq_gem_miiphy_write;
	priv->bus->priv = priv;
	strcpy(priv->bus->name, "gem");

	ret = mdio_register(priv->bus);
	if (ret)
		return ret;

	zynq_phy_init(dev);

	return 0;
}

Beispiel #2

Datei: zynq_gem.c Projekt: danielschwierzeck/u-boot-lantiq

static int zynq_gem_probe(struct udevice *dev)
{
	void *bd_space;
	struct zynq_gem_priv *priv = dev_get_priv(dev);
	int ret;

	/* Align rxbuffers to ARCH_DMA_MINALIGN */
	priv->rxbuffers = memalign(ARCH_DMA_MINALIGN, RX_BUF * PKTSIZE_ALIGN);
	if (!priv->rxbuffers)
		return -ENOMEM;

	memset(priv->rxbuffers, 0, RX_BUF * PKTSIZE_ALIGN);

	/* Align bd_space to MMU_SECTION_SHIFT */
	bd_space = memalign(1 << MMU_SECTION_SHIFT, BD_SPACE);
	if (!bd_space)
		return -ENOMEM;

	mmu_set_region_dcache_behaviour((phys_addr_t)bd_space,
					BD_SPACE, DCACHE_OFF);

	/* Initialize the bd spaces for tx and rx bd's */
	priv->tx_bd = (struct emac_bd *)bd_space;
	priv->rx_bd = (struct emac_bd *)((ulong)bd_space + BD_SEPRN_SPACE);

	ret = clk_get_by_name(dev, "tx_clk", &priv->clk);
	if (ret < 0) {
		dev_err(dev, "failed to get clock\n");
		return -EINVAL;
	}

	priv->bus = mdio_alloc();
	priv->bus->read = zynq_gem_miiphy_read;
	priv->bus->write = zynq_gem_miiphy_write;
	priv->bus->priv = priv;

	ret = mdio_register_seq(priv->bus, dev->seq);
	if (ret)
		return ret;

	return zynq_phy_init(dev);
}