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[BNX2]: Add 5709 init code.
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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>
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Michael Chan authored and David S. Miller committed Dec 3, 2006
1 parent 9052a84 commit 59b47d8
Showing 1 changed file with 130 additions and 37 deletions.
167 changes: 130 additions & 37 deletions drivers/net/bnx2.c
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Original file line number Diff line number Diff line change
Expand Up @@ -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
Expand Down Expand Up @@ -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);
Expand Down Expand Up @@ -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:
Expand Down Expand Up @@ -803,21 +838,21 @@ 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 */
case SPEED_100:
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;
Expand Down Expand Up @@ -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;
Expand Down Expand Up @@ -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);
Expand Down Expand Up @@ -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)
{
Expand Down Expand Up @@ -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);
Expand Down Expand Up @@ -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;
Expand Down Expand Up @@ -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;

Expand All @@ -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
Expand All @@ -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;
Expand Down Expand Up @@ -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) {
Expand All @@ -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;

Expand All @@ -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) {
Expand Down

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