示例#1
0
static void _macb_eth_initialize(struct macb_device *macb)
{
	int id = 0;	/* This is not used by functions we call */
	u32 ncfgr;

	/* TODO: we need check the rx/tx_ring_dma is dcache line aligned */
	macb->rx_buffer = dma_alloc_coherent(MACB_RX_BUFFER_SIZE,
					     &macb->rx_buffer_dma);
	macb->rx_ring = dma_alloc_coherent(MACB_RX_DMA_DESC_SIZE,
					   &macb->rx_ring_dma);
	macb->tx_ring = dma_alloc_coherent(MACB_TX_DMA_DESC_SIZE,
					   &macb->tx_ring_dma);
	macb->dummy_desc = dma_alloc_coherent(MACB_TX_DUMMY_DMA_DESC_SIZE,
					   &macb->dummy_desc_dma);

	/*
	 * Do some basic initialization so that we at least can talk
	 * to the PHY
	 */
	if (macb_is_gem(macb)) {
		ncfgr = gem_mdc_clk_div(id, macb);
		ncfgr |= macb_dbw(macb);
	} else {
		ncfgr = macb_mdc_clk_div(id, macb);
	}

	macb_writel(macb, NCFGR, ncfgr);
}
示例#2
0
文件: macb.c 项目: DFE/u-boot
int macb_eth_initialize(int id, void *regs, unsigned int phy_addr)
{
	struct macb_device *macb;
	struct eth_device *netdev;
	u32 ncfgr;

	macb = malloc(sizeof(struct macb_device));
	if (!macb) {
		printf("Error: Failed to allocate memory for MACB%d\n", id);
		return -1;
	}
	memset(macb, 0, sizeof(struct macb_device));

	netdev = &macb->netdev;

	macb->rx_buffer = dma_alloc_coherent(CONFIG_SYS_MACB_RX_BUFFER_SIZE,
					     &macb->rx_buffer_dma);
	macb->rx_ring = dma_alloc_coherent(CONFIG_SYS_MACB_RX_RING_SIZE
					   * sizeof(struct macb_dma_desc),
					   &macb->rx_ring_dma);
	macb->tx_ring = dma_alloc_coherent(CONFIG_SYS_MACB_TX_RING_SIZE
					   * sizeof(struct macb_dma_desc),
					   &macb->tx_ring_dma);

	macb->regs = regs;
	macb->phy_addr = phy_addr;

	if (macb_is_gem(macb))
		sprintf(netdev->name, "gmac%d", id);
	else
		sprintf(netdev->name, "macb%d", id);

	netdev->init = macb_init;
	netdev->halt = macb_halt;
	netdev->send = macb_send;
	netdev->recv = macb_recv;
	netdev->write_hwaddr = macb_write_hwaddr;

	/*
	 * Do some basic initialization so that we at least can talk
	 * to the PHY
	 */
	if (macb_is_gem(macb)) {
		ncfgr = gem_mdc_clk_div(id, macb);
		ncfgr |= GEM_BF(DBW, 1);
	} else {
		ncfgr = macb_mdc_clk_div(id, macb);
	}

	macb_writel(macb, NCFGR, ncfgr);

	eth_register(netdev);

#if defined(CONFIG_CMD_MII) || defined(CONFIG_PHYLIB)
	miiphy_register(netdev->name, macb_miiphy_read, macb_miiphy_write);
	macb->bus = miiphy_get_dev_by_name(netdev->name);
#endif
	return 0;
}