Пример #1
0
int t1_espi_init(struct peespi *espi, int mac_type, int nports)
{
	u32 status_enable_extra = 0;
	adapter_t *adapter = espi->adapter;

	/* Disable ESPI training.  MACs that can handle it enable it below. */
	writel(0, adapter->regs + A_ESPI_TRAIN);

	if (is_T2(adapter)) {
		writel(V_OUT_OF_SYNC_COUNT(4) |
		       V_DIP2_PARITY_ERR_THRES(3) |
		       V_DIP4_THRES(1), adapter->regs + A_ESPI_MISC_CONTROL);
		writel(nports == 4 ? 0x200040 : 0x1000080,
		       adapter->regs + A_ESPI_MAXBURST1_MAXBURST2);
	} else
		writel(0x800100, adapter->regs + A_ESPI_MAXBURST1_MAXBURST2);

	if (mac_type == CHBT_MAC_PM3393)
		espi_setup_for_pm3393(adapter);
	else if (mac_type == CHBT_MAC_VSC7321)
		espi_setup_for_vsc7321(adapter);
	else if (mac_type == CHBT_MAC_IXF1010) {
		status_enable_extra = F_INTEL1010MODE;
		espi_setup_for_ixf1010(adapter, nports);
	} else
		return -1;

	writel(status_enable_extra | F_RXSTATUSENABLE,
	       adapter->regs + A_ESPI_FIFO_STATUS_ENABLE);

	if (is_T2(adapter)) {
		tricn_init(adapter);
		/*
		 * Always position the control at the 1st port egress IN
		 * (sop,eop) counter to reduce PIOs for T/N210 workaround.
		 */
		espi->misc_ctrl = readl(adapter->regs + A_ESPI_MISC_CONTROL);
		espi->misc_ctrl &= ~MON_MASK;
		espi->misc_ctrl |= F_MONITORED_DIRECTION;
		if (adapter->params.nports == 1)
			espi->misc_ctrl |= F_MONITORED_INTERFACE;
		writel(espi->misc_ctrl, adapter->regs + A_ESPI_MISC_CONTROL);
		spin_lock_init(&espi->lock);
	}

	return 0;
}
Пример #2
0
int t1_espi_init(struct peespi *espi, int mac_type, int nports)
{
	u32 status_enable_extra = 0;
	adapter_t *adapter = espi->adapter;

	
	writel(0, adapter->regs + A_ESPI_TRAIN);

	if (is_T2(adapter)) {
		writel(V_OUT_OF_SYNC_COUNT(4) |
		       V_DIP2_PARITY_ERR_THRES(3) |
		       V_DIP4_THRES(1), adapter->regs + A_ESPI_MISC_CONTROL);
		writel(nports == 4 ? 0x200040 : 0x1000080,
		       adapter->regs + A_ESPI_MAXBURST1_MAXBURST2);
	} else
		writel(0x800100, adapter->regs + A_ESPI_MAXBURST1_MAXBURST2);

	if (mac_type == CHBT_MAC_PM3393)
		espi_setup_for_pm3393(adapter);
	else if (mac_type == CHBT_MAC_VSC7321)
		espi_setup_for_vsc7321(adapter);
	else if (mac_type == CHBT_MAC_IXF1010) {
		status_enable_extra = F_INTEL1010MODE;
		espi_setup_for_ixf1010(adapter, nports);
	} else
		return -1;

	writel(status_enable_extra | F_RXSTATUSENABLE,
	       adapter->regs + A_ESPI_FIFO_STATUS_ENABLE);

	if (is_T2(adapter)) {
		tricn_init(adapter);
		
		espi->misc_ctrl = readl(adapter->regs + A_ESPI_MISC_CONTROL);
		espi->misc_ctrl &= ~MON_MASK;
		espi->misc_ctrl |= F_MONITORED_DIRECTION;
		if (adapter->params.nports == 1)
			espi->misc_ctrl |= F_MONITORED_INTERFACE;
		writel(espi->misc_ctrl, adapter->regs + A_ESPI_MISC_CONTROL);
		spin_lock_init(&espi->lock);
	}

	return 0;
}