Exemplo n.º 1
0
int arch_cpu_init(void)
{
	chip_configuration_unlock();
	icache_enable();

	if (cpu_is_k2g()) {
		msmc_k2g_setup();
	} else {
		msmc_k2hkle_common_setup();
		if (cpu_is_k2e())
			msmc_k2e_setup();
		else if (cpu_is_k2l())
			msmc_k2l_setup();
		else
			msmc_k2hk_setup();
	}

	/* Initialize the PCIe-0 to work as Root Complex */
	config_pcie_mode(0, ROOTCOMPLEX);
#if defined(CONFIG_SOC_K2E) || defined(CONFIG_SOC_K2L)
	/* Initialize the PCIe-1 to work as Root Complex */
	config_pcie_mode(1, ROOTCOMPLEX);
#endif
#ifdef CONFIG_SOC_K2L
	osr_init();
#endif

	/*
	 * just initialise the COM2 port so that TI specific
	 * UART register PWREMU_MGMT is initialized. Linux UART
	 * driver doesn't handle this.
	 */
#ifndef CONFIG_DM_SERIAL
	NS16550_init((NS16550_t)(CONFIG_SYS_NS16550_COM2),
		     CONFIG_SYS_NS16550_CLK / 16 / CONFIG_BAUDRATE);
#endif

	return 0;
}
Exemplo n.º 2
0
static int ks2_eth_probe(struct udevice *dev)
{
	struct ks2_eth_priv *priv = dev_get_priv(dev);
	struct mii_dev *mdio_bus;
	int ret;

	priv->dev = dev;

	/* These clock enables has to be moved to common location */
	if (cpu_is_k2g())
		writel(KS2_ETHERNET_RGMII, KS2_ETHERNET_CFG);

	/* By default, select PA PLL clock as PA clock source */
#ifndef CONFIG_SOC_K2G
	if (psc_enable_module(KS2_LPSC_PA))
		return -EACCES;
#endif
	if (psc_enable_module(KS2_LPSC_CPGMAC))
		return -EACCES;
	if (psc_enable_module(KS2_LPSC_CRYPTO))
		return -EACCES;

	if (cpu_is_k2e() || cpu_is_k2l())
		pll_pa_clk_sel();


	priv->net_rx_buffs.buff_ptr = rx_buffs;
	priv->net_rx_buffs.num_buffs = RX_BUFF_NUMS;
	priv->net_rx_buffs.buff_len = RX_BUFF_LEN;

	if (priv->slave_port == 1) {
		/*
		 * Register MDIO bus for slave 0 only, other slave have
		 * to re-use the same
		 */
		mdio_bus = mdio_alloc();
		if (!mdio_bus) {
			error("MDIO alloc failed\n");
			return -ENOMEM;
		}
		priv->mdio_bus = mdio_bus;
		mdio_bus->read	= keystone2_mdio_read;
		mdio_bus->write	= keystone2_mdio_write;
		mdio_bus->reset	= keystone2_mdio_reset;
		mdio_bus->priv	= priv->mdio_base;
		sprintf(mdio_bus->name, "ethernet-mdio");

		ret = mdio_register(mdio_bus);
		if (ret) {
			error("MDIO bus register failed\n");
			return ret;
		}
	} else {
		/* Get the MDIO bus from slave 0 device */
		struct ks2_eth_priv *parent_priv;

		parent_priv = dev_get_priv(dev->parent);
		priv->mdio_bus = parent_priv->mdio_bus;
	}

#ifndef CONFIG_SOC_K2G
	keystone2_net_serdes_setup();
#endif

	priv->netcp_pktdma = &netcp_pktdma;

	if (priv->has_mdio) {
		priv->phydev = phy_connect(priv->mdio_bus, priv->phy_addr,
					   dev, priv->phy_if);
		phy_config(priv->phydev);
	}

	return 0;
}