Example #1
0
void
__hal_ring_hw_initialize(xge_hal_device_h devh)
{
    xge_hal_device_t *hldev = (xge_hal_device_t *)devh;
    xge_hal_pci_bar0_t *bar0 = (xge_hal_pci_bar0_t *)(void *)hldev->bar0;
    u64 val64;
    int i, j;

    /* Rx DMA intialization. */

    val64 = 0;
    for (i = 0; i < XGE_HAL_MAX_RING_NUM; i++) {
        if (!hldev->config.ring.queue[i].configured)
            continue;
        val64 |= vBIT(hldev->config.ring.queue[i].priority,
                      (5 + (i * 8)), 3);
    }
    xge_os_pio_mem_write64(hldev->pdev, hldev->regh0, val64,
                           &bar0->rx_queue_priority);
    xge_debug_ring(XGE_TRACE, "Rings priority configured to 0x"XGE_OS_LLXFMT,
                   (unsigned long long)val64);

    /* Configuring ring queues according to per-ring configuration */
    val64 = 0;
    for (i = 0; i < XGE_HAL_MAX_RING_NUM; i++) {
        if (!hldev->config.ring.queue[i].configured)
            continue;
        val64 |= vBIT(hldev->config.ring.queue[i].dram_size_mb,(i*8),8);
    }
    xge_os_pio_mem_write64(hldev->pdev, hldev->regh0, val64,
                           &bar0->rx_queue_cfg);
    xge_debug_ring(XGE_TRACE, "DRAM configured to 0x"XGE_OS_LLXFMT,
                   (unsigned long long)val64);

    if (!hldev->config.rts_qos_en &&
            !hldev->config.rts_port_en &&
            !hldev->config.rts_mac_en) {

        /*
         * Activate default (QoS-based) Rx steering
         */

        val64 = xge_os_pio_mem_read64(hldev->pdev, hldev->regh0,
                                      &bar0->rts_qos_steering);
        for (j = 0; j < 8 /* QoS max */; j++)
        {
            for (i = 0; i < XGE_HAL_MAX_RING_NUM; i++)
            {
                if (!hldev->config.ring.queue[i].configured)
                    continue;
                if (!hldev->config.ring.queue[i].rth_en)
                    val64 |= (BIT(i) >> (j*8));
            }
        }
        xge_os_pio_mem_write64(hldev->pdev, hldev->regh0, val64,
                               &bar0->rts_qos_steering);
        xge_debug_ring(XGE_TRACE, "QoS steering configured to 0x"XGE_OS_LLXFMT,
                       (unsigned long long)val64);

    }
Example #2
0
void
__hal_ring_hw_initialize(xge_hal_device_h devh)
{
	xge_hal_device_t *hldev = (xge_hal_device_t *)devh;
	xge_hal_pci_bar0_t *bar0 = (xge_hal_pci_bar0_t *)(void *)hldev->bar0;
	u64 val64;
	int i, j;

	/* Rx DMA intialization. */

	val64 = 0;
	for (i = 0; i < XGE_HAL_MAX_RING_NUM; i++) {
		if (!hldev->config.ring.queue[i].configured)
			continue;
		val64 |= vBIT(hldev->config.ring.queue[i].priority,
							(5 + (i * 8)), 3);
	}
	xge_os_pio_mem_write64(hldev->pdev, hldev->regh0, val64,
			&bar0->rx_queue_priority);
	xge_debug_ring(XGE_TRACE, "Rings priority configured to 0x%llx",
			(unsigned long long)val64);

	/* Configuring ring queues according to per-ring configuration */
	val64 = 0;
	for (i = 0; i < XGE_HAL_MAX_RING_NUM; i++) {
		if (!hldev->config.ring.queue[i].configured)
			continue;
		val64 |= vBIT(hldev->config.ring.queue[i].dram_size_mb,(i*8),8);
	}
	xge_os_pio_mem_write64(hldev->pdev, hldev->regh0, val64,
	                     &bar0->rx_queue_cfg);
	xge_debug_ring(XGE_TRACE, "DRAM configured to 0x%llx",
			(unsigned long long)val64);

	/* Activate Rx steering */
	val64 = xge_os_pio_mem_read64(hldev->pdev, hldev->regh0,
	                            &bar0->rts_qos_steering);
	for (j = 0; j < 8 /* QoS max */; j++) {
		for (i = 0; i < XGE_HAL_MAX_RING_NUM; i++) {
			if (!hldev->config.ring.queue[i].configured)
				continue;
			if (!hldev->config.ring.queue[i].rth_en)
				val64 |= (BIT(i) >> (j*8));
		}
	}
	xge_os_pio_mem_write64(hldev->pdev, hldev->regh0, val64,
	                     &bar0->rts_qos_steering);
	xge_debug_ring(XGE_TRACE, "QoS steering configured to 0x%llx",
			(unsigned long long)val64);

	/* Note: If a queue does not exist, it should be assigned a maximum
	 *	 length of zero. Otherwise, packet loss could occur.
	 *	 P. 4-4 User guide.
	 *
	 * All configured rings will be properly set at device open time
	 * by utilizing device_mtu_set() API call. */
	for (i = 0; i < XGE_HAL_MAX_RING_NUM; i++) {
		if (hldev->config.ring.queue[i].configured)
			continue;
		xge_os_pio_mem_write64(hldev->pdev, hldev->regh0, 0ULL,
		                     &bar0->rts_frm_len_n[i]);
	}

#ifdef XGE_HAL_HERC_EMULATION
	val64 = xge_os_pio_mem_read64(hldev->pdev, hldev->regh0,
		((u8 *)bar0 + 0x2e60)); /* mc_rldram_mrs_herc */
	val64 |= 0x0000000000010000;
	xge_os_pio_mem_write64(hldev->pdev, hldev->regh0, val64,
		((u8 *)bar0 + 0x2e60));

	val64 |= 0x003a000000000000;
	xge_os_pio_mem_write64(hldev->pdev, hldev->regh0, val64,
		((u8 *)bar0 + 0x2e40)); /* mc_rldram_ref_herc */
	xge_os_mdelay(2000);
#endif

	/* now enabling MC-RLDRAM after setting MC_QUEUE sizes */
	val64 = xge_os_pio_mem_read64(hldev->pdev, hldev->regh0,
	                            &bar0->mc_rldram_mrs);
	val64 |= XGE_HAL_MC_RLDRAM_QUEUE_SIZE_ENABLE |
		 XGE_HAL_MC_RLDRAM_MRS_ENABLE;
	__hal_pio_mem_write32_upper(hldev->pdev, hldev->regh0, (u32)(val64>>32),
	                     &bar0->mc_rldram_mrs);
	xge_os_wmb();
	__hal_pio_mem_write32_lower(hldev->pdev, hldev->regh0, (u32)val64,
	                     &bar0->mc_rldram_mrs);

	/* RLDRAM initialization procedure require 500us to complete */
	xge_os_mdelay(1);

	/* Temporary fixes for Herc RLDRAM */
	if (xge_hal_device_check_id(hldev) == XGE_HAL_CARD_HERC) {
		val64 = XGE_HAL_MC_RLDRAM_SET_REF_PERIOD(0x0279);
		xge_os_pio_mem_write64(hldev->pdev, hldev->regh0, val64,
		                     &bar0->mc_rldram_ref_per_herc);

		val64 = xge_os_pio_mem_read64(hldev->pdev, hldev->regh0,
	                            &bar0->mc_rldram_mrs_herc);
		xge_debug_ring(XGE_TRACE, "default mc_rldram_mrs_herc 0x%llx",
			       (unsigned long long)val64);

		val64 = 0x0003570003010300ULL;
		xge_os_pio_mem_write64(hldev->pdev, hldev->regh0, val64,
		                       &bar0->mc_rldram_mrs_herc);

		xge_os_mdelay(1);
	}
	xge_debug_ring(XGE_TRACE, "%s", "ring channels initialized");
}
Example #3
0
void
__hal_fifo_hw_initialize(xge_hal_device_h devh)
{
	xge_hal_device_t *hldev = (xge_hal_device_t *)devh;
	xge_hal_pci_bar0_t *bar0 = (xge_hal_pci_bar0_t *)(void
	*)hldev->bar0;
	u64* tx_fifo_partitions[4];
	u64* tx_fifo_wrr[5];
	u64 val64, part0;
	int priority = 0;
	int i;

	/*  Tx DMA Initialization */

	tx_fifo_partitions[0] = &bar0->tx_fifo_partition_0;
	tx_fifo_partitions[1] = &bar0->tx_fifo_partition_1;
	tx_fifo_partitions[2] = &bar0->tx_fifo_partition_2;
	tx_fifo_partitions[3] = &bar0->tx_fifo_partition_3;

	tx_fifo_wrr[0] = &bar0->tx_w_round_robin_0;
	tx_fifo_wrr[1] = &bar0->tx_w_round_robin_1;
	tx_fifo_wrr[2] = &bar0->tx_w_round_robin_2;
	tx_fifo_wrr[3] = &bar0->tx_w_round_robin_3;
	tx_fifo_wrr[4] = &bar0->tx_w_round_robin_4;

	/* Note: WRR calendar must be configured before the transmit
	         FIFOs are enabled! page 6-77 user guide */

	/* all zeroes for Round-Robin */
	for (i = 0; i < XGE_HAL_FIFO_MAX_WRR; i++) {
		xge_os_pio_mem_write64(hldev->pdev, hldev->regh0, 0,
				tx_fifo_wrr[i]);
	}

	/* reset all of them but '0' */
	for (i=1; i < XGE_HAL_FIFO_MAX_PARTITION; i++) {
		xge_os_pio_mem_write64(hldev->pdev, hldev->regh0, 0ULL,
		                     tx_fifo_partitions[i]);
	}

	/* configure only configured FIFOs */
	val64 = 0; part0 = 0;
	for (i = 0; i < XGE_HAL_MAX_FIFO_NUM; i++) {
		int reg_half = i % 2;
		int reg_num = i / 2;

		priority = 0;

		if (hldev->config.fifo.queue[i].configured) {
			val64 |=
			    vBIT((hldev->config.fifo.queue[i].max-1),
				(((reg_half) * 32) + 19),
				13) | vBIT(priority, (((reg_half)*32) + 5), 3);
		}

		/* NOTE: do write operation for each second u64 half
		         or force for first one if configured number
			 is even */
		if (reg_half) {
			if (reg_num == 0) {
				/* skip partition '0', must write it once at
				 * the end */
				part0 = val64;
			} else {
				xge_os_pio_mem_write64(hldev->pdev, hldev->regh0,
				     val64, tx_fifo_partitions[reg_num]);
				xge_debug_fifo(XGE_TRACE,
					"fifo partition_%d at: "
					"0x%llx is: 0x%llx", reg_num,
					(unsigned long long)(ulong_t)
						tx_fifo_partitions[reg_num],
					(unsigned long long)val64);
			}
			val64 = 0;
		}
	}

	part0 |= BIT(0); /* to enable the FIFO partition. */
	__hal_pio_mem_write32_lower(hldev->pdev, hldev->regh0, (u32)part0,
	                     tx_fifo_partitions[0]);
	xge_os_wmb();
	__hal_pio_mem_write32_upper(hldev->pdev, hldev->regh0, (u32)(part0>>32),
	                     tx_fifo_partitions[0]);
	xge_debug_fifo(XGE_TRACE, "fifo partition_0 at: "
			"0x%llx is: 0x%llx",
			(unsigned long long)(ulong_t)
				tx_fifo_partitions[0],
			(unsigned long long) part0);

	/*
	 * Initialization of Tx_PA_CONFIG register to ignore packet
	 * integrity checking.
	 */
	val64 = xge_os_pio_mem_read64(hldev->pdev, hldev->regh0,
	                            &bar0->tx_pa_cfg);
	val64 |= XGE_HAL_TX_PA_CFG_IGNORE_FRM_ERR |
		 XGE_HAL_TX_PA_CFG_IGNORE_SNAP_OUI |
		 XGE_HAL_TX_PA_CFG_IGNORE_LLC_CTRL |
		 XGE_HAL_TX_PA_CFG_IGNORE_L2_ERR;
	xge_os_pio_mem_write64(hldev->pdev, hldev->regh0, val64,
	                     &bar0->tx_pa_cfg);
	xge_debug_fifo(XGE_TRACE, "%s", "fifo channels initialized");
}