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path: root/drivers/net/sky2.c
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Diffstat (limited to 'drivers/net/sky2.c')
-rw-r--r--drivers/net/sky2.c117
1 files changed, 60 insertions, 57 deletions
diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c
index 842abd9396c..fb1d2c30c1b 100644
--- a/drivers/net/sky2.c
+++ b/drivers/net/sky2.c
@@ -100,33 +100,32 @@ module_param(idle_timeout, int, 0);
MODULE_PARM_DESC(idle_timeout, "Watchdog timer for lost interrupts (ms)");
static const struct pci_device_id sky2_id_table[] = {
- { PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, 0x9000) },
- { PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, 0x9E00) },
+ { PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, 0x9000) }, /* SK-9Sxx */
+ { PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, 0x9E00) }, /* SK-9Exx */
{ PCI_DEVICE(PCI_VENDOR_ID_DLINK, 0x4b00) }, /* DGE-560T */
{ PCI_DEVICE(PCI_VENDOR_ID_DLINK, 0x4001) }, /* DGE-550SX */
{ PCI_DEVICE(PCI_VENDOR_ID_DLINK, 0x4B02) }, /* DGE-560SX */
- { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4340) },
- { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4341) },
- { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4342) },
- { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4343) },
- { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4344) },
- { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4345) },
- { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4346) },
- { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4347) },
- { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4350) },
- { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4351) },
- { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4352) },
- { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4353) },
- { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4360) },
- { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4361) },
- { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4362) },
- { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4363) },
- { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4364) },
- { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4365) },
- { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4366) },
- { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4367) },
- { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4368) },
- { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4369) },
+ { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4340) }, /* 88E8021 */
+ { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4341) }, /* 88E8022 */
+ { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4342) }, /* 88E8061 */
+ { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4343) }, /* 88E8062 */
+ { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4344) }, /* 88E8021 */
+ { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4345) }, /* 88E8022 */
+ { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4346) }, /* 88E8061 */
+ { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4347) }, /* 88E8062 */
+ { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4350) }, /* 88E8035 */
+ { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4351) }, /* 88E8036 */
+ { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4352) }, /* 88E8038 */
+ { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4353) }, /* 88E8039 */
+ { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4356) }, /* 88EC033 */
+ { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4360) }, /* 88E8052 */
+ { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4361) }, /* 88E8050 */
+ { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4362) }, /* 88E8053 */
+ { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4363) }, /* 88E8055 */
+ { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4364) }, /* 88E8056 */
+ { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4366) }, /* 88EC036 */
+ { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4367) }, /* 88EC032 */
+ { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4368) }, /* 88EC034 */
{ 0 }
};
@@ -522,7 +521,7 @@ static void sky2_phy_init(struct sky2_hw *hw, unsigned port)
/* set Tx LED (LED_TX) to blink mode on Rx OR Tx activity */
ledctrl |= PHY_M_LED_BLINK_RT(BLINK_84MS) | PHY_M_LEDC_TX_CTRL;
/* turn off the Rx LED (LED_RX) */
- ledover |= PHY_M_LED_MO_RX(MO_LED_OFF);
+ ledover &= ~PHY_M_LED_MO_RX;
}
if (hw->chip_id == CHIP_ID_YUKON_EC_U && hw->chip_rev == CHIP_REV_YU_EC_A1) {
@@ -545,7 +544,7 @@ static void sky2_phy_init(struct sky2_hw *hw, unsigned port)
if (sky2->autoneg == AUTONEG_DISABLE || sky2->speed == SPEED_100) {
/* turn on 100 Mbps LED (LED_LINK100) */
- ledover |= PHY_M_LED_MO_100(MO_LED_ON);
+ ledover |= PHY_M_LED_MO_100;
}
if (ledover)
@@ -697,10 +696,15 @@ static void sky2_mac_init(struct sky2_hw *hw, unsigned port)
}
-/* Assign Ram Buffer allocation in units of 64bit (8 bytes) */
-static void sky2_ramset(struct sky2_hw *hw, u16 q, u32 start, u32 end)
+/* Assign Ram Buffer allocation to queue */
+static void sky2_ramset(struct sky2_hw *hw, u16 q, u32 start, u32 space)
{
- pr_debug(PFX "q %d %#x %#x\n", q, start, end);
+ u32 end;
+
+ /* convert from K bytes to qwords used for hw register */
+ start *= 1024/8;
+ space *= 1024/8;
+ end = start + space - 1;
sky2_write8(hw, RB_ADDR(q, RB_CTRL), RB_RST_CLR);
sky2_write32(hw, RB_ADDR(q, RB_START), start);
@@ -709,7 +713,6 @@ static void sky2_ramset(struct sky2_hw *hw, u16 q, u32 start, u32 end)
sky2_write32(hw, RB_ADDR(q, RB_RP), start);
if (q == Q_R1 || q == Q_R2) {
- u32 space = end - start + 1;
u32 tp = space - space/4;
/* On receive queue's set the thresholds
@@ -1059,11 +1062,16 @@ static int sky2_rx_start(struct sky2_port *sky2)
sky2->rx_put = sky2->rx_next = 0;
sky2_qset(hw, rxq);
+ /* On PCI express lowering the watermark gives better performance */
+ if (pci_find_capability(hw->pdev, PCI_CAP_ID_EXP))
+ sky2_write32(hw, Q_ADDR(rxq, Q_WM), BMU_WM_PEX);
+
+ /* These chips have no ram buffer?
+ * MAC Rx RAM Read is controlled by hardware */
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 */
+ (hw->chip_rev == CHIP_REV_YU_EC_U_A1
+ || hw->chip_rev == CHIP_REV_YU_EC_U_B0))
sky2_write32(hw, Q_ADDR(rxq, Q_F), F_M_RX_RAM_DIS);
- }
sky2_prefetch_init(hw, rxq, sky2->rx_le_map, RX_LE_SIZE - 1);
@@ -1139,7 +1147,7 @@ static int sky2_up(struct net_device *dev)
struct sky2_port *sky2 = netdev_priv(dev);
struct sky2_hw *hw = sky2->hw;
unsigned port = sky2->port;
- u32 ramsize, rxspace, imask;
+ u32 ramsize, imask;
int cap, err = -ENOMEM;
struct net_device *otherdev = hw->dev[sky2->port^1];
@@ -1192,20 +1200,25 @@ static int sky2_up(struct net_device *dev)
sky2_mac_init(hw, port);
- /* Determine available ram buffer space in qwords. */
- ramsize = sky2_read8(hw, B2_E_0) * 4096/8;
+ /* Register is number of 4K blocks on internal RAM buffer. */
+ ramsize = sky2_read8(hw, B2_E_0) * 4;
+ printk(KERN_INFO PFX "%s: ram buffer %dK\n", dev->name, ramsize);
- if (ramsize > 6*1024/8)
- rxspace = ramsize - (ramsize + 2) / 3;
- else
- rxspace = ramsize / 2;
+ if (ramsize > 0) {
+ u32 rxspace;
- sky2_ramset(hw, rxqaddr[port], 0, rxspace-1);
- sky2_ramset(hw, txqaddr[port], rxspace, ramsize-1);
+ if (ramsize < 16)
+ rxspace = ramsize / 2;
+ else
+ rxspace = 8 + (2*(ramsize - 16))/3;
+
+ sky2_ramset(hw, rxqaddr[port], 0, rxspace);
+ sky2_ramset(hw, txqaddr[port], rxspace, ramsize - rxspace);
- /* Make sure SyncQ is disabled */
- sky2_write8(hw, RB_ADDR(port == 0 ? Q_XS1 : Q_XS2, RB_CTRL),
- RB_RST_SET);
+ /* Make sure SyncQ is disabled */
+ sky2_write8(hw, RB_ADDR(port == 0 ? Q_XS1 : Q_XS2, RB_CTRL),
+ RB_RST_SET);
+ }
sky2_qset(hw, txqaddr[port]);
@@ -2917,18 +2930,8 @@ static void sky2_led(struct sky2_hw *hw, unsigned port, int on)
default:
gm_phy_write(hw, port, PHY_MARV_LED_CTRL, 0);
- gm_phy_write(hw, port, PHY_MARV_LED_OVER,
- on ? PHY_M_LED_MO_DUP(MO_LED_ON) |
- PHY_M_LED_MO_10(MO_LED_ON) |
- PHY_M_LED_MO_100(MO_LED_ON) |
- PHY_M_LED_MO_1000(MO_LED_ON) |
- PHY_M_LED_MO_RX(MO_LED_ON)
- : PHY_M_LED_MO_DUP(MO_LED_OFF) |
- PHY_M_LED_MO_10(MO_LED_OFF) |
- PHY_M_LED_MO_100(MO_LED_OFF) |
- PHY_M_LED_MO_1000(MO_LED_OFF) |
- PHY_M_LED_MO_RX(MO_LED_OFF));
-
+ gm_phy_write(hw, port, PHY_MARV_LED_OVER,
+ on ? PHY_M_LED_ALL : 0);
}
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-07 01:53:49 +0000