From 59b47d8ad35b9858d63d6fd3db76e698e4a98f36 Mon Sep 17 00:00:00 2001 From: Michael Chan Date: Sun, 19 Nov 2006 14:10:45 -0800 Subject: [PATCH] [BNX2]: Add 5709 init code. Add basic support to initialize the 5709 chip. Signed-off-by: Michael Chan Signed-off-by: David S. Miller --- drivers/net/bnx2.c | 167 +++++++++++++++++++++++++++++++++++---------- 1 file changed, 130 insertions(+), 37 deletions(-) diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c index 2633579b8c43..baad015b3d6d 100644 --- a/drivers/net/bnx2.c +++ b/drivers/net/bnx2.c @@ -236,8 +236,23 @@ static void bnx2_ctx_wr(struct bnx2 *bp, u32 cid_addr, u32 offset, u32 val) { offset += cid_addr; - REG_WR(bp, BNX2_CTX_DATA_ADR, offset); - REG_WR(bp, BNX2_CTX_DATA, val); + if (CHIP_NUM(bp) == CHIP_NUM_5709) { + int i; + + REG_WR(bp, BNX2_CTX_CTX_DATA, val); + REG_WR(bp, BNX2_CTX_CTX_CTRL, + offset | BNX2_CTX_CTX_CTRL_WRITE_REQ); + for (i = 0; i < 5; i++) { + u32 val; + val = REG_RD(bp, BNX2_CTX_CTX_CTRL); + if ((val & BNX2_CTX_CTX_CTRL_WRITE_REQ) == 0) + break; + udelay(5); + } + } else { + REG_WR(bp, BNX2_CTX_DATA_ADR, offset); + REG_WR(bp, BNX2_CTX_DATA, val); + } } static int @@ -403,6 +418,14 @@ bnx2_free_mem(struct bnx2 *bp) { int i; + for (i = 0; i < bp->ctx_pages; i++) { + if (bp->ctx_blk[i]) { + pci_free_consistent(bp->pdev, BCM_PAGE_SIZE, + bp->ctx_blk[i], + bp->ctx_blk_mapping[i]); + bp->ctx_blk[i] = NULL; + } + } if (bp->status_blk) { pci_free_consistent(bp->pdev, bp->status_stats_size, bp->status_blk, bp->status_blk_mapping); @@ -481,6 +504,18 @@ bnx2_alloc_mem(struct bnx2 *bp) bp->stats_blk_mapping = bp->status_blk_mapping + status_blk_size; + if (CHIP_NUM(bp) == CHIP_NUM_5709) { + bp->ctx_pages = 0x2000 / BCM_PAGE_SIZE; + if (bp->ctx_pages == 0) + bp->ctx_pages = 1; + for (i = 0; i < bp->ctx_pages; i++) { + bp->ctx_blk[i] = pci_alloc_consistent(bp->pdev, + BCM_PAGE_SIZE, + &bp->ctx_blk_mapping[i]); + if (bp->ctx_blk[i] == NULL) + goto alloc_mem_err; + } + } return 0; alloc_mem_err: @@ -803,13 +838,13 @@ bnx2_set_mac_link(struct bnx2 *bp) val &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX | BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK | - BNX2_EMAC_MODE_25G); + BNX2_EMAC_MODE_25G_MODE); if (bp->link_up) { switch (bp->line_speed) { case SPEED_10: - if (CHIP_NUM(bp) == CHIP_NUM_5708) { - val |= BNX2_EMAC_MODE_PORT_MII_10; + if (CHIP_NUM(bp) != CHIP_NUM_5706) { + val |= BNX2_EMAC_MODE_PORT_MII_10M; break; } /* fall through */ @@ -817,7 +852,7 @@ bnx2_set_mac_link(struct bnx2 *bp) val |= BNX2_EMAC_MODE_PORT_MII; break; case SPEED_2500: - val |= BNX2_EMAC_MODE_25G; + val |= BNX2_EMAC_MODE_25G_MODE; /* fall through */ case SPEED_1000: val |= BNX2_EMAC_MODE_PORT_GMII; @@ -1263,9 +1298,8 @@ bnx2_init_5706s_phy(struct bnx2 *bp) { bp->phy_flags &= ~PHY_PARALLEL_DETECT_FLAG; - if (CHIP_NUM(bp) == CHIP_NUM_5706) { - REG_WR(bp, BNX2_MISC_UNUSED0, 0x300); - } + if (CHIP_NUM(bp) == CHIP_NUM_5706) + REG_WR(bp, BNX2_MISC_GP_HW_CTL0, 0x300); if (bp->dev->mtu > 1500) { u32 val; @@ -1408,7 +1442,7 @@ bnx2_set_phy_loopback(struct bnx2 *bp) mac_mode = REG_RD(bp, BNX2_EMAC_MODE); mac_mode &= ~(BNX2_EMAC_MODE_PORT | BNX2_EMAC_MODE_HALF_DUPLEX | BNX2_EMAC_MODE_MAC_LOOP | BNX2_EMAC_MODE_FORCE_LINK | - BNX2_EMAC_MODE_25G); + BNX2_EMAC_MODE_25G_MODE); mac_mode |= BNX2_EMAC_MODE_PORT_GMII; REG_WR(bp, BNX2_EMAC_MODE, mac_mode); @@ -1459,6 +1493,40 @@ bnx2_fw_sync(struct bnx2 *bp, u32 msg_data, int silent) return 0; } +static int +bnx2_init_5709_context(struct bnx2 *bp) +{ + int i, ret = 0; + u32 val; + + val = BNX2_CTX_COMMAND_ENABLED | BNX2_CTX_COMMAND_MEM_INIT | (1 << 12); + val |= (BCM_PAGE_BITS - 8) << 16; + REG_WR(bp, BNX2_CTX_COMMAND, val); + for (i = 0; i < bp->ctx_pages; i++) { + int j; + + REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA0, + (bp->ctx_blk_mapping[i] & 0xffffffff) | + BNX2_CTX_HOST_PAGE_TBL_DATA0_VALID); + REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA1, + (u64) bp->ctx_blk_mapping[i] >> 32); + REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL, i | + BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ); + for (j = 0; j < 10; j++) { + + val = REG_RD(bp, BNX2_CTX_HOST_PAGE_TBL_CTRL); + if (!(val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ)) + break; + udelay(5); + } + if (val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ) { + ret = -EBUSY; + break; + } + } + return ret; +} + static void bnx2_init_context(struct bnx2 *bp) { @@ -1581,9 +1649,8 @@ bnx2_alloc_rx_skb(struct bnx2 *bp, u16 index) return -ENOMEM; } - if (unlikely((align = (unsigned long) skb->data & 0x7))) { - skb_reserve(skb, 8 - align); - } + if (unlikely((align = (unsigned long) skb->data & (BNX2_RX_ALIGN - 1)))) + skb_reserve(skb, BNX2_RX_ALIGN - align); mapping = pci_map_single(bp->pdev, skb->data, bp->rx_buf_use_size, PCI_DMA_FROMDEVICE); @@ -3282,7 +3349,10 @@ bnx2_init_chip(struct bnx2 *bp) /* Initialize context mapping and zero out the quick contexts. The * context block must have already been enabled. */ - bnx2_init_context(bp); + if (CHIP_NUM(bp) == CHIP_NUM_5709) + bnx2_init_5709_context(bp); + else + bnx2_init_context(bp); if ((rc = bnx2_init_cpus(bp)) != 0) return rc; @@ -3393,12 +3463,40 @@ bnx2_init_chip(struct bnx2 *bp) return rc; } +static void +bnx2_init_tx_context(struct bnx2 *bp, u32 cid) +{ + u32 val, offset0, offset1, offset2, offset3; + + if (CHIP_NUM(bp) == CHIP_NUM_5709) { + offset0 = BNX2_L2CTX_TYPE_XI; + offset1 = BNX2_L2CTX_CMD_TYPE_XI; + offset2 = BNX2_L2CTX_TBDR_BHADDR_HI_XI; + offset3 = BNX2_L2CTX_TBDR_BHADDR_LO_XI; + } else { + offset0 = BNX2_L2CTX_TYPE; + offset1 = BNX2_L2CTX_CMD_TYPE; + offset2 = BNX2_L2CTX_TBDR_BHADDR_HI; + offset3 = BNX2_L2CTX_TBDR_BHADDR_LO; + } + val = BNX2_L2CTX_TYPE_TYPE_L2 | BNX2_L2CTX_TYPE_SIZE_L2; + CTX_WR(bp, GET_CID_ADDR(cid), offset0, val); + + val = BNX2_L2CTX_CMD_TYPE_TYPE_L2 | (8 << 16); + CTX_WR(bp, GET_CID_ADDR(cid), offset1, val); + + val = (u64) bp->tx_desc_mapping >> 32; + CTX_WR(bp, GET_CID_ADDR(cid), offset2, val); + + val = (u64) bp->tx_desc_mapping & 0xffffffff; + CTX_WR(bp, GET_CID_ADDR(cid), offset3, val); +} static void bnx2_init_tx_ring(struct bnx2 *bp) { struct tx_bd *txbd; - u32 val; + u32 cid; bp->tx_wake_thresh = bp->tx_ring_size / 2; @@ -3412,19 +3510,11 @@ bnx2_init_tx_ring(struct bnx2 *bp) bp->hw_tx_cons = 0; bp->tx_prod_bseq = 0; - val = BNX2_L2CTX_TYPE_TYPE_L2; - val |= BNX2_L2CTX_TYPE_SIZE_L2; - CTX_WR(bp, GET_CID_ADDR(TX_CID), BNX2_L2CTX_TYPE, val); + cid = TX_CID; + bp->tx_bidx_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BIDX; + bp->tx_bseq_addr = MB_GET_CID_ADDR(cid) + BNX2_L2CTX_TX_HOST_BSEQ; - val = BNX2_L2CTX_CMD_TYPE_TYPE_L2; - val |= 8 << 16; - CTX_WR(bp, GET_CID_ADDR(TX_CID), BNX2_L2CTX_CMD_TYPE, val); - - val = (u64) bp->tx_desc_mapping >> 32; - CTX_WR(bp, GET_CID_ADDR(TX_CID), BNX2_L2CTX_TBDR_BHADDR_HI, val); - - val = (u64) bp->tx_desc_mapping & 0xffffffff; - CTX_WR(bp, GET_CID_ADDR(TX_CID), BNX2_L2CTX_TBDR_BHADDR_LO, val); + bnx2_init_tx_context(bp, cid); } static void @@ -3437,8 +3527,8 @@ bnx2_init_rx_ring(struct bnx2 *bp) /* 8 for CRC and VLAN */ bp->rx_buf_use_size = bp->dev->mtu + ETH_HLEN + bp->rx_offset + 8; - /* 8 for alignment */ - bp->rx_buf_size = bp->rx_buf_use_size + 8; + /* hw alignment */ + bp->rx_buf_size = bp->rx_buf_use_size + BNX2_RX_ALIGN; ring_prod = prod = bp->rx_prod = 0; bp->rx_cons = 0; @@ -5542,13 +5632,6 @@ bnx2_init_board(struct pci_dev *pdev, struct net_device *dev) goto err_out_release; } - bp->pcix_cap = pci_find_capability(pdev, PCI_CAP_ID_PCIX); - if (bp->pcix_cap == 0) { - dev_err(&pdev->dev, "Cannot find PCIX capability, aborting.\n"); - rc = -EIO; - goto err_out_release; - } - if (pci_set_dma_mask(pdev, DMA_64BIT_MASK) == 0) { bp->flags |= USING_DAC_FLAG; if (pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK) != 0) { @@ -5571,7 +5654,7 @@ bnx2_init_board(struct pci_dev *pdev, struct net_device *dev) INIT_WORK(&bp->reset_task, bnx2_reset_task, bp); dev->base_addr = dev->mem_start = pci_resource_start(pdev, 0); - mem_len = MB_GET_CID_ADDR(17); + mem_len = MB_GET_CID_ADDR(TX_TSS_CID + 1); dev->mem_end = dev->mem_start + mem_len; dev->irq = pdev->irq; @@ -5595,6 +5678,16 @@ bnx2_init_board(struct pci_dev *pdev, struct net_device *dev) bp->chip_id = REG_RD(bp, BNX2_MISC_ID); + if (CHIP_NUM(bp) != CHIP_NUM_5709) { + bp->pcix_cap = pci_find_capability(pdev, PCI_CAP_ID_PCIX); + if (bp->pcix_cap == 0) { + dev_err(&pdev->dev, + "Cannot find PCIX capability, aborting.\n"); + rc = -EIO; + goto err_out_unmap; + } + } + /* Get bus information. */ reg = REG_RD(bp, BNX2_PCICFG_MISC_STATUS); if (reg & BNX2_PCICFG_MISC_STATUS_PCIX_DET) { -- 2.20.1