diff options
| author | shemminger@osdl.org <shemminger@osdl.org> | 2005-11-30 11:45:21 -0800 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@pobox.com> | 2005-12-01 02:20:21 -0500 |
| commit | af4ed7e6ba0cba388cf691f3a330089bd46e4d9e (patch) | |
| tree | ec4da6f110bf391d6a3796629661c7e2a38c99e1 | |
| parent | 65497dacd8104004f5115dcb2dfe1bf697154ce9 (diff) | |
[PATCH] sky2: remove pci-express hacks
Eliminate special case tuning for PCI-Express. This code
causes receive hangs and doesn't help performance much anyway.
Signed-off-by: Stephen Hemminger <shemmnger@osdl.org>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
| -rw-r--r-- | drivers/net/sky2.c | 22 | ||||
| -rw-r--r-- | drivers/net/sky2.h | 2 |
2 files changed, 6 insertions, 18 deletions
diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c index 52c7b188631..c6c3275fc5e 100644 --- a/drivers/net/sky2.c +++ b/drivers/net/sky2.c @@ -651,12 +651,12 @@ static void sky2_ramset(struct sky2_hw *hw, u16 q, u32 start, size_t len) } /* Setup Bus Memory Interface */ -static void sky2_qset(struct sky2_hw *hw, u16 q, u32 wm) +static void sky2_qset(struct sky2_hw *hw, u16 q) { sky2_write32(hw, Q_ADDR(q, Q_CSR), BMU_CLR_RESET); sky2_write32(hw, Q_ADDR(q, Q_CSR), BMU_OPER_INIT); sky2_write32(hw, Q_ADDR(q, Q_CSR), BMU_FIFO_OP_ON); - sky2_write32(hw, Q_ADDR(q, Q_WM), wm); + sky2_write32(hw, Q_ADDR(q, Q_WM), BMU_WM_DEFAULT); } /* Setup prefetch unit registers. This is the interface between @@ -921,7 +921,7 @@ static int sky2_rx_start(struct sky2_port *sky2) int i; sky2->rx_put = sky2->rx_next = 0; - sky2_qset(hw, rxq, is_pciex(hw) ? 0x80 : 0x600); + sky2_qset(hw, rxq); sky2_prefetch_init(hw, rxq, sky2->rx_le_map, RX_LE_SIZE - 1); rx_set_checksum(sky2); @@ -1004,7 +1004,7 @@ static int sky2_up(struct net_device *dev) sky2_write8(hw, RB_ADDR(port == 0 ? Q_XS1 : Q_XS2, RB_CTRL), RB_RST_SET); - sky2_qset(hw, txqaddr[port], 0x600); + sky2_qset(hw, txqaddr[port]); if (hw->chip_id == CHIP_ID_YUKON_EC_U) sky2_write16(hw, Q_ADDR(txqaddr[port], Q_AL), 0x1a0); @@ -2148,20 +2148,6 @@ static int sky2_reset(struct sky2_hw *hw) sky2_write8(hw, RAM_BUFFER(i, B3_RI_RTO_XS2), SK_RI_TO_53); } - if (is_pciex(hw)) { - u16 pctrl; - - /* change Max. Read Request Size to 2048 bytes */ - pci_read_config_word(hw->pdev, PEX_DEV_CTRL, &pctrl); - pctrl &= ~PEX_DC_MAX_RRS_MSK; - pctrl |= PEX_DC_MAX_RD_RQ_SIZE(4); - - - sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_ON); - pci_write_config_word(hw->pdev, PEX_DEV_CTRL, pctrl); - sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_OFF); - } - sky2_write32(hw, B0_HWE_IMSK, Y2_HWE_ALL_MASK); spin_lock_bh(&hw->phy_lock); diff --git a/drivers/net/sky2.h b/drivers/net/sky2.h index 420454a4472..930680f50fc 100644 --- a/drivers/net/sky2.h +++ b/drivers/net/sky2.h @@ -631,6 +631,8 @@ enum { BMU_CLR_RESET = BMU_FIFO_RST | BMU_OP_OFF | BMU_RST_CLR, BMU_OPER_INIT = BMU_CLR_IRQ_PAR | BMU_CLR_IRQ_CHK | BMU_START | BMU_FIFO_ENA | BMU_OP_ON, + + BMU_WM_DEFAULT = 0x600, }; /* Tx BMU Control / Status Registers (Yukon-2) */ |