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| author | Stephen Hemminger <shemminger@osdl.org> | 2006-12-01 14:29:35 -0800 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2006-12-02 00:22:29 -0500 |
| commit | 8df9a87604e38529898ce35c610792c03c8713a2 (patch) | |
| tree | ca1bf8d56fa51d747eef5aa9aa47f6030ee42acf /drivers/net/sky2.c | |
| parent | 508f89e75ab26506fcdbb1b6f7166029e4c56855 (diff) | |
| download | lwn-8df9a87604e38529898ce35c610792c03c8713a2.tar.gz lwn-8df9a87604e38529898ce35c610792c03c8713a2.zip | |
[PATCH] sky2: fixes for Yukon EC_U chip revisions
Update workarounds for 88E803X based on the latest SysKonnect vendor
driver version (8.41). Tested on EC_U rev A1, only.
These up the receive performance.
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/net/sky2.c')
| -rw-r--r-- | drivers/net/sky2.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c index 79d62ae8d7cd..71722f53f2b4 100644 --- a/drivers/net/sky2.c +++ b/drivers/net/sky2.c @@ -677,17 +677,15 @@ static void sky2_mac_init(struct sky2_hw *hw, unsigned port) /* Flush Rx MAC FIFO on any flow control or error */ sky2_write16(hw, SK_REG(port, RX_GMF_FL_MSK), GMR_FS_ANY_ERR); - /* Set threshold to 0xa (64 bytes) - * ASF disabled so no need to do WA dev #4.30 - */ - sky2_write16(hw, SK_REG(port, RX_GMF_FL_THR), RX_GMF_FL_THR_DEF); + /* Set threshold to 0xa (64 bytes) + 1 to workaround pause bug */ + sky2_write16(hw, SK_REG(port, RX_GMF_FL_THR), RX_GMF_FL_THR_DEF+1); /* Configure Tx MAC FIFO */ sky2_write8(hw, SK_REG(port, TX_GMF_CTRL_T), GMF_RST_CLR); sky2_write16(hw, SK_REG(port, TX_GMF_CTRL_T), GMF_OPER_ON); if (hw->chip_id == CHIP_ID_YUKON_EC_U) { - sky2_write8(hw, SK_REG(port, RX_GMF_LP_THR), 512/8); + sky2_write8(hw, SK_REG(port, RX_GMF_LP_THR), 768/8); sky2_write8(hw, SK_REG(port, RX_GMF_UP_THR), 1024/8); if (hw->dev[port]->mtu > ETH_DATA_LEN) { /* set Tx GMAC FIFO Almost Empty Threshold */ @@ -1061,7 +1059,8 @@ static int sky2_rx_start(struct sky2_port *sky2) sky2->rx_put = sky2->rx_next = 0; sky2_qset(hw, rxq); - if (hw->chip_id == CHIP_ID_YUKON_EC_U && hw->chip_rev >= 2) { + if (hw->chip_id == CHIP_ID_YUKON_EC_U && + (hw->chip_rev == CHIP_REV_YU_EC_U_A1 || hw->chip_rev == CHIP_REV_YU_EC_U_B0)) { /* MAC Rx RAM Read is controlled by hardware */ sky2_write32(hw, Q_ADDR(rxq, Q_F), F_M_RX_RAM_DIS); } @@ -1510,7 +1509,7 @@ static int sky2_down(struct net_device *dev) /* WA for dev. #4.209 */ if (hw->chip_id == CHIP_ID_YUKON_EC_U - && hw->chip_rev == CHIP_REV_YU_EC_U_A1) + && (hw->chip_rev == CHIP_REV_YU_EC_U_A1 || hw->chip_rev == CHIP_REV_YU_EC_U_B0)) sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T), sky2->speed != SPEED_1000 ? TX_STFW_ENA : TX_STFW_DIS); |