[BNX2]: Add 5709 init code.

Add basic support to initialize the 5709 chip.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c
index 2633579b8c43c5bc68e018607e6d84cdd033bb3b..baad015b3d6dd34b2dc3ce897ad95940bddfb56a 100644 (file)
--- 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) {