* of the original driver such as link fail-over and link management because
* those should be done at higher levels.
*
- * Copyright (C) 2004, Stephen Hemminger <shemminger@osdl.org>
+ * Copyright (C) 2004, 2005 Stephen Hemminger <shemminger@osdl.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
#include "skge.h"
#define DRV_NAME "skge"
-#define DRV_VERSION "0.6"
+#define DRV_VERSION "0.7"
#define PFX DRV_NAME " "
#define DEFAULT_TX_RING_SIZE 128
#define DEFAULT_RX_RING_SIZE 512
#define MAX_TX_RING_SIZE 1024
#define MAX_RX_RING_SIZE 4096
+#define RX_COPY_THRESHOLD 128
+#define RX_BUF_SIZE 1536
#define PHY_RETRIES 1000
#define ETH_JUMBO_MTU 9000
#define TX_WATCHDOG (5 * HZ)
#define NAPI_WEIGHT 64
#define BLINK_HZ (HZ/4)
-#define LINK_POLL_HZ (HZ/10)
MODULE_DESCRIPTION("SysKonnect Gigabit Ethernet driver");
MODULE_AUTHOR("Stephen Hemminger <shemminger@osdl.org>");
static void yukon_reset(struct skge_hw *hw, int port);
static void genesis_mac_init(struct skge_hw *hw, int port);
static void genesis_reset(struct skge_hw *hw, int port);
+static void genesis_link_up(struct skge_port *skge);
+/* Avoid conditionals by using array */
static const int txqaddr[] = { Q_XA1, Q_XA2 };
static const int rxqaddr[] = { Q_R1, Q_R2 };
static const u32 rxirqmask[] = { IS_R1_F, IS_R2_F };
static const u32 txirqmask[] = { IS_XA1_F, IS_XA2_F };
+static const u32 portirqmask[] = { IS_PORT_1, IS_PORT_2 };
/* Don't need to look at whole 16K.
* last interesting register is descriptor poll timer.
return 0;
}
+/* Determine supported/adverised modes based on hardware.
+ * Note: ethtoool ADVERTISED_xxx == SUPPORTED_xxx
+ */
+static u32 skge_supported_modes(const struct skge_hw *hw)
+{
+ u32 supported;
+
+ if (iscopper(hw)) {
+ supported = SUPPORTED_10baseT_Half
+ | SUPPORTED_10baseT_Full
+ | SUPPORTED_100baseT_Half
+ | SUPPORTED_100baseT_Full
+ | SUPPORTED_1000baseT_Half
+ | SUPPORTED_1000baseT_Full
+ | SUPPORTED_Autoneg| SUPPORTED_TP;
+
+ if (hw->chip_id == CHIP_ID_GENESIS)
+ supported &= ~(SUPPORTED_10baseT_Half
+ | SUPPORTED_10baseT_Full
+ | SUPPORTED_100baseT_Half
+ | SUPPORTED_100baseT_Full);
+
+ else if (hw->chip_id == CHIP_ID_YUKON)
+ supported &= ~SUPPORTED_1000baseT_Half;
+ } else
+ supported = SUPPORTED_1000baseT_Full | SUPPORTED_FIBRE
+ | SUPPORTED_Autoneg;
+
+ return supported;
+}
static int skge_get_settings(struct net_device *dev,
struct ethtool_cmd *ecmd)
struct skge_hw *hw = skge->hw;
ecmd->transceiver = XCVR_INTERNAL;
+ ecmd->supported = skge_supported_modes(hw);
if (iscopper(hw)) {
- if (hw->chip_id == CHIP_ID_GENESIS)
- ecmd->supported = SUPPORTED_1000baseT_Full
- | SUPPORTED_1000baseT_Half
- | SUPPORTED_Autoneg | SUPPORTED_TP;
- else {
- ecmd->supported = SUPPORTED_10baseT_Half
- | SUPPORTED_10baseT_Full
- | SUPPORTED_100baseT_Half
- | SUPPORTED_100baseT_Full
- | SUPPORTED_1000baseT_Half
- | SUPPORTED_1000baseT_Full
- | SUPPORTED_Autoneg| SUPPORTED_TP;
-
- if (hw->chip_id == CHIP_ID_YUKON)
- ecmd->supported &= ~SUPPORTED_1000baseT_Half;
-
- else if (hw->chip_id == CHIP_ID_YUKON_FE)
- ecmd->supported &= ~(SUPPORTED_1000baseT_Half
- | SUPPORTED_1000baseT_Full);
- }
-
ecmd->port = PORT_TP;
ecmd->phy_address = hw->phy_addr;
- } else {
- ecmd->supported = SUPPORTED_1000baseT_Full
- | SUPPORTED_FIBRE
- | SUPPORTED_Autoneg;
-
+ } else
ecmd->port = PORT_FIBRE;
- }
ecmd->advertising = skge->advertising;
ecmd->autoneg = skge->autoneg;
return 0;
}
-static u32 skge_modes(const struct skge_hw *hw)
-{
- u32 modes = ADVERTISED_Autoneg
- | ADVERTISED_1000baseT_Full | ADVERTISED_1000baseT_Half
- | ADVERTISED_100baseT_Full | ADVERTISED_100baseT_Half
- | ADVERTISED_10baseT_Full | ADVERTISED_10baseT_Half;
-
- if (iscopper(hw)) {
- modes |= ADVERTISED_TP;
- switch (hw->chip_id) {
- case CHIP_ID_GENESIS:
- modes &= ~(ADVERTISED_100baseT_Full
- | ADVERTISED_100baseT_Half
- | ADVERTISED_10baseT_Full
- | ADVERTISED_10baseT_Half);
- break;
-
- case CHIP_ID_YUKON:
- modes &= ~ADVERTISED_1000baseT_Half;
- break;
-
- case CHIP_ID_YUKON_FE:
- modes &= ~(ADVERTISED_1000baseT_Half|ADVERTISED_1000baseT_Full);
- break;
- }
- } else {
- modes |= ADVERTISED_FIBRE;
- modes &= ~ADVERTISED_1000baseT_Half;
- }
- return modes;
-}
-
static int skge_set_settings(struct net_device *dev, struct ethtool_cmd *ecmd)
{
struct skge_port *skge = netdev_priv(dev);
const struct skge_hw *hw = skge->hw;
+ u32 supported = skge_supported_modes(hw);
if (ecmd->autoneg == AUTONEG_ENABLE) {
- if (ecmd->advertising & skge_modes(hw))
- return -EINVAL;
+ ecmd->advertising = supported;
+ skge->duplex = -1;
+ skge->speed = -1;
} else {
- switch (ecmd->speed) {
+ u32 setting;
+
+ switch(ecmd->speed) {
case SPEED_1000:
- if (hw->chip_id == CHIP_ID_YUKON_FE)
+ if (ecmd->duplex == DUPLEX_FULL)
+ setting = SUPPORTED_1000baseT_Full;
+ else if (ecmd->duplex == DUPLEX_HALF)
+ setting = SUPPORTED_1000baseT_Half;
+ else
return -EINVAL;
break;
case SPEED_100:
+ if (ecmd->duplex == DUPLEX_FULL)
+ setting = SUPPORTED_100baseT_Full;
+ else if (ecmd->duplex == DUPLEX_HALF)
+ setting = SUPPORTED_100baseT_Half;
+ else
+ return -EINVAL;
+ break;
+
case SPEED_10:
- if (iscopper(hw) || hw->chip_id == CHIP_ID_GENESIS)
+ if (ecmd->duplex == DUPLEX_FULL)
+ setting = SUPPORTED_10baseT_Full;
+ else if (ecmd->duplex == DUPLEX_HALF)
+ setting = SUPPORTED_10baseT_Half;
+ else
return -EINVAL;
break;
default:
return -EINVAL;
}
+
+ if ((setting & supported) == 0)
+ return -EINVAL;
+
+ skge->speed = ecmd->speed;
+ skge->duplex = ecmd->duplex;
}
skge->autoneg = ecmd->autoneg;
- skge->speed = ecmd->speed;
- skge->duplex = ecmd->duplex;
skge->advertising = ecmd->advertising;
if (netif_running(dev)) {
{
if (hw->chip_id == CHIP_ID_GENESIS)
return 53215; /* or: 53.125 MHz */
- else if (hw->chip_id == CHIP_ID_YUKON_EC)
- return 125000; /* or: 125.000 MHz */
else
return 78215; /* or: 78.125 MHz */
}
skge_write32(hw, SK_REG(port, RX_LED_VAL), 100);
skge_write8(hw, SK_REG(port, RX_LED_CTRL), LED_START);
- switch (hw->phy_type) {
- case SK_PHY_BCOM:
- xm_phy_write(hw, port, PHY_BCOM_P_EXT_CTRL,
- PHY_B_PEC_LED_ON);
- break;
- case SK_PHY_LONE:
- xm_phy_write(hw, port, PHY_LONE_LED_CFG,
- 0x0800);
- break;
- default:
- skge_write8(hw, SK_REG(port, TX_LED_TST), LED_T_ON);
- skge_write32(hw, SK_REG(port, TX_LED_VAL), 100);
- skge_write8(hw, SK_REG(port, TX_LED_CTRL), LED_START);
- }
+ /* For Broadcom Phy only */
+ xm_phy_write(hw, port, PHY_BCOM_P_EXT_CTRL, PHY_B_PEC_LED_ON);
} else {
gm_phy_write(hw, port, PHY_MARV_LED_CTRL, 0);
gm_phy_write(hw, port, PHY_MARV_LED_OVER,
skge_write32(hw, SK_REG(port, RX_LED_VAL), 0);
skge_write8(hw, SK_REG(port, RX_LED_CTRL), LED_T_OFF);
- switch (hw->phy_type) {
- case SK_PHY_BCOM:
- xm_phy_write(hw, port, PHY_BCOM_P_EXT_CTRL,
- PHY_B_PEC_LED_OFF);
- break;
- case SK_PHY_LONE:
- xm_phy_write(hw, port, PHY_LONE_LED_CFG,
- PHY_L_LC_LEDT);
- break;
- default:
- skge_write32(hw, SK_REG(port, TX_LED_VAL), 0);
- skge_write8(hw, SK_REG(port, TX_LED_CTRL), LED_T_OFF);
- }
+ /* Broadcom only */
+ xm_phy_write(hw, port, PHY_BCOM_P_EXT_CTRL, PHY_B_PEC_LED_OFF);
} else {
gm_phy_write(hw, port, PHY_MARV_LED_CTRL, 0);
gm_phy_write(hw, port, PHY_MARV_LED_OVER,
for (i = 0, e = ring->start, d = vaddr; i < ring->count; i++, e++, d++) {
e->desc = d;
+ e->skb = NULL;
if (i == ring->count - 1) {
e->next = ring->start;
d->next_offset = base;
return 0;
}
-/* Setup buffer for receiving */
-static inline int skge_rx_alloc(struct skge_port *skge,
- struct skge_element *e)
+static struct sk_buff *skge_rx_alloc(struct net_device *dev, unsigned int size)
{
- unsigned long bufsize = skge->netdev->mtu + ETH_HLEN; /* VLAN? */
- struct skge_rx_desc *rd = e->desc;
- struct sk_buff *skb;
- u64 map;
+ struct sk_buff *skb = dev_alloc_skb(size);
- skb = dev_alloc_skb(bufsize + NET_IP_ALIGN);
- if (unlikely(!skb)) {
- printk(KERN_DEBUG PFX "%s: out of memory for receive\n",
- skge->netdev->name);
- return -ENOMEM;
+ if (likely(skb)) {
+ skb->dev = dev;
+ skb_reserve(skb, NET_IP_ALIGN);
}
+ return skb;
+}
- skb->dev = skge->netdev;
- skb_reserve(skb, NET_IP_ALIGN);
+/* Allocate and setup a new buffer for receiving */
+static void skge_rx_setup(struct skge_port *skge, struct skge_element *e,
+ struct sk_buff *skb, unsigned int bufsize)
+{
+ struct skge_rx_desc *rd = e->desc;
+ u64 map;
map = pci_map_single(skge->hw->pdev, skb->data, bufsize,
PCI_DMA_FROMDEVICE);
rd->control = BMU_OWN | BMU_STF | BMU_IRQ_EOF | BMU_TCP_CHECK | bufsize;
pci_unmap_addr_set(e, mapaddr, map);
pci_unmap_len_set(e, maplen, bufsize);
- return 0;
}
-/* Free all unused buffers in receive ring, assumes receiver stopped */
+/* Resume receiving using existing skb,
+ * Note: DMA address is not changed by chip.
+ * MTU not changed while receiver active.
+ */
+static void skge_rx_reuse(struct skge_element *e, unsigned int size)
+{
+ struct skge_rx_desc *rd = e->desc;
+
+ rd->csum2 = 0;
+ rd->csum2_start = ETH_HLEN;
+
+ wmb();
+
+ rd->control = BMU_OWN | BMU_STF | BMU_IRQ_EOF | BMU_TCP_CHECK | size;
+}
+
+
+/* Free all buffers in receive ring, assumes receiver stopped */
static void skge_rx_clean(struct skge_port *skge)
{
struct skge_hw *hw = skge->hw;
struct skge_ring *ring = &skge->rx_ring;
struct skge_element *e;
- for (e = ring->to_clean; e != ring->to_use; e = e->next) {
+ e = ring->start;
+ do {
struct skge_rx_desc *rd = e->desc;
rd->control = 0;
-
- pci_unmap_single(hw->pdev,
- pci_unmap_addr(e, mapaddr),
- pci_unmap_len(e, maplen),
- PCI_DMA_FROMDEVICE);
- dev_kfree_skb(e->skb);
- e->skb = NULL;
- }
- ring->to_clean = e;
+ if (e->skb) {
+ pci_unmap_single(hw->pdev,
+ pci_unmap_addr(e, mapaddr),
+ pci_unmap_len(e, maplen),
+ PCI_DMA_FROMDEVICE);
+ dev_kfree_skb(e->skb);
+ e->skb = NULL;
+ }
+ } while ((e = e->next) != ring->start);
}
+
/* Allocate buffers for receive ring
- * For receive: to_use is refill location
- * to_clean is next received frame.
- *
- * if (to_use == to_clean)
- * then ring all frames in ring need buffers
- * if (to_use->next == to_clean)
- * then ring all frames in ring have buffers
+ * For receive: to_clean is next received frame.
*/
static int skge_rx_fill(struct skge_port *skge)
{
struct skge_ring *ring = &skge->rx_ring;
struct skge_element *e;
- int ret = 0;
+ unsigned int bufsize = skge->rx_buf_size;
- for (e = ring->to_use; e->next != ring->to_clean; e = e->next) {
- if (skge_rx_alloc(skge, e)) {
- ret = 1;
- break;
- }
+ e = ring->start;
+ do {
+ struct sk_buff *skb = skge_rx_alloc(skge->netdev, bufsize);
- }
- ring->to_use = e;
+ if (!skb)
+ return -ENOMEM;
+
+ skge_rx_setup(skge, e, skb, bufsize);
+ } while ( (e = e->next) != ring->start);
- return ret;
+ ring->to_clean = ring->start;
+ return 0;
}
static void skge_link_up(struct skge_port *skge)
xm_write16(hw, port, XM_PHY_ADDR, reg | hw->phy_addr);
v = xm_read16(hw, port, XM_PHY_DATA);
- if (hw->phy_type != SK_PHY_XMAC) {
- for (i = 0; i < PHY_RETRIES; i++) {
- udelay(1);
- if (xm_read16(hw, port, XM_MMU_CMD)
- & XM_MMU_PHY_RDY)
- goto ready;
- }
- printk(KERN_WARNING PFX "%s: phy read timed out\n",
- hw->dev[port]->name);
- return 0;
- ready:
- v = xm_read16(hw, port, XM_PHY_DATA);
+ /* Need to wait for external PHY */
+ for (i = 0; i < PHY_RETRIES; i++) {
+ udelay(1);
+ if (xm_read16(hw, port, XM_MMU_CMD)
+ & XM_MMU_PHY_RDY)
+ goto ready;
}
+ printk(KERN_WARNING PFX "%s: phy read timed out\n",
+ hw->dev[port]->name);
+ return 0;
+ ready:
+ v = xm_read16(hw, port, XM_PHY_DATA);
+
return v;
}
for (i = 0; i < PHY_RETRIES; i++) {
if (!(xm_read16(hw, port, XM_MMU_CMD) & XM_MMU_PHY_BUSY))
goto ready;
- cpu_relax();
+ udelay(1);
}
printk(KERN_WARNING PFX "%s: phy write failed to come ready\n",
hw->dev[port]->name);
static void genesis_reset(struct skge_hw *hw, int port)
{
- int i;
- u64 zero = 0;
+ const u8 zero[8] = { 0 };
/* reset the statistics module */
xm_write32(hw, port, XM_GP_PORT, XM_GP_RES_STAT);
xm_write16(hw, port, XM_TX_CMD, 0); /* reset TX CMD Reg */
xm_write16(hw, port, XM_RX_CMD, 0); /* reset RX CMD Reg */
- /* disable all PHY IRQs */
- if (hw->phy_type == SK_PHY_BCOM)
- xm_write16(hw, port, PHY_BCOM_INT_MASK, 0xffff);
+ /* disable Broadcom PHY IRQ */
+ xm_write16(hw, port, PHY_BCOM_INT_MASK, 0xffff);
- xm_outhash(hw, port, XM_HSM, (u8 *) &zero);
- for (i = 0; i < 15; i++)
- xm_outaddr(hw, port, XM_EXM(i), (u8 *) &zero);
- xm_outhash(hw, port, XM_SRC_CHK, (u8 *) &zero);
+ xm_outhash(hw, port, XM_HSM, zero);
}
-static void genesis_mac_init(struct skge_hw *hw, int port)
+/* Convert mode to MII values */
+static const u16 phy_pause_map[] = {
+ [FLOW_MODE_NONE] = 0,
+ [FLOW_MODE_LOC_SEND] = PHY_AN_PAUSE_ASYM,
+ [FLOW_MODE_SYMMETRIC] = PHY_AN_PAUSE_CAP,
+ [FLOW_MODE_REM_SEND] = PHY_AN_PAUSE_CAP | PHY_AN_PAUSE_ASYM,
+};
+
+
+/* Check status of Broadcom phy link */
+static void bcom_check_link(struct skge_hw *hw, int port)
{
- struct skge_port *skge = netdev_priv(hw->dev[port]);
+ struct net_device *dev = hw->dev[port];
+ struct skge_port *skge = netdev_priv(dev);
+ u16 status;
+
+ /* read twice because of latch */
+ (void) xm_phy_read(hw, port, PHY_BCOM_STAT);
+ status = xm_phy_read(hw, port, PHY_BCOM_STAT);
+
+ pr_debug("bcom_check_link status=0x%x\n", status);
+
+ if ((status & PHY_ST_LSYNC) == 0) {
+ u16 cmd = xm_read16(hw, port, XM_MMU_CMD);
+ cmd &= ~(XM_MMU_ENA_RX | XM_MMU_ENA_TX);
+ xm_write16(hw, port, XM_MMU_CMD, cmd);
+ /* dummy read to ensure writing */
+ (void) xm_read16(hw, port, XM_MMU_CMD);
+
+ if (netif_carrier_ok(dev))
+ skge_link_down(skge);
+ } else {
+ if (skge->autoneg == AUTONEG_ENABLE &&
+ (status & PHY_ST_AN_OVER)) {
+ u16 lpa = xm_phy_read(hw, port, PHY_BCOM_AUNE_LP);
+ u16 aux = xm_phy_read(hw, port, PHY_BCOM_AUX_STAT);
+
+ if (lpa & PHY_B_AN_RF) {
+ printk(KERN_NOTICE PFX "%s: remote fault\n",
+ dev->name);
+ return;
+ }
+
+ /* Check Duplex mismatch */
+ switch(aux & PHY_B_AS_AN_RES_MSK) {
+ case PHY_B_RES_1000FD:
+ skge->duplex = DUPLEX_FULL;
+ break;
+ case PHY_B_RES_1000HD:
+ skge->duplex = DUPLEX_HALF;
+ break;
+ default:
+ printk(KERN_NOTICE PFX "%s: duplex mismatch\n",
+ dev->name);
+ return;
+ }
+
+
+ /* We are using IEEE 802.3z/D5.0 Table 37-4 */
+ switch (aux & PHY_B_AS_PAUSE_MSK) {
+ case PHY_B_AS_PAUSE_MSK:
+ skge->flow_control = FLOW_MODE_SYMMETRIC;
+ break;
+ case PHY_B_AS_PRR:
+ skge->flow_control = FLOW_MODE_REM_SEND;
+ break;
+ case PHY_B_AS_PRT:
+ skge->flow_control = FLOW_MODE_LOC_SEND;
+ break;
+ default:
+ skge->flow_control = FLOW_MODE_NONE;
+ }
+
+ skge->speed = SPEED_1000;
+ }
+
+ if (!netif_carrier_ok(dev))
+ genesis_link_up(skge);
+ }
+}
+
+/* Broadcom 5400 only supports giagabit! SysKonnect did not put an additional
+ * Phy on for 100 or 10Mbit operation
+ */
+static void bcom_phy_init(struct skge_port *skge, int jumbo)
+{
+ struct skge_hw *hw = skge->hw;
+ int port = skge->port;
int i;
- u32 r;
- u16 id1;
- u16 ctrl1, ctrl2, ctrl3, ctrl4, ctrl5;
+ u16 id1, r, ext, ctl;
/* magic workaround patterns for Broadcom */
static const struct {
{ 0x17, 0x0013 }, { 0x15, 0x0A04 }, { 0x18, 0x0420 },
};
+ pr_debug("bcom_phy_init\n");
+
+ /* read Id from external PHY (all have the same address) */
+ id1 = xm_phy_read(hw, port, PHY_XMAC_ID1);
+
+ /* Optimize MDIO transfer by suppressing preamble. */
+ r = xm_read16(hw, port, XM_MMU_CMD);
+ r |= XM_MMU_NO_PRE;
+ xm_write16(hw, port, XM_MMU_CMD,r);
+
+ switch(id1) {
+ case PHY_BCOM_ID1_C0:
+ /*
+ * Workaround BCOM Errata for the C0 type.
+ * Write magic patterns to reserved registers.
+ */
+ for (i = 0; i < ARRAY_SIZE(C0hack); i++)
+ xm_phy_write(hw, port,
+ C0hack[i].reg, C0hack[i].val);
+
+ break;
+ case PHY_BCOM_ID1_A1:
+ /*
+ * Workaround BCOM Errata for the A1 type.
+ * Write magic patterns to reserved registers.
+ */
+ for (i = 0; i < ARRAY_SIZE(A1hack); i++)
+ xm_phy_write(hw, port,
+ A1hack[i].reg, A1hack[i].val);
+ break;
+ }
+
+ /*
+ * Workaround BCOM Errata (#10523) for all BCom PHYs.
+ * Disable Power Management after reset.
+ */
+ r = xm_phy_read(hw, port, PHY_BCOM_AUX_CTRL);
+ r |= PHY_B_AC_DIS_PM;
+ xm_phy_write(hw, port, PHY_BCOM_AUX_CTRL, r);
+
+ /* Dummy read */
+ xm_read16(hw, port, XM_ISRC);
+
+ ext = PHY_B_PEC_EN_LTR; /* enable tx led */
+ ctl = PHY_CT_SP1000; /* always 1000mbit */
+
+ if (skge->autoneg == AUTONEG_ENABLE) {
+ /*
+ * Workaround BCOM Errata #1 for the C5 type.
+ * 1000Base-T Link Acquisition Failure in Slave Mode
+ * Set Repeater/DTE bit 10 of the 1000Base-T Control Register
+ */
+ u16 adv = PHY_B_1000C_RD;
+ if (skge->advertising & ADVERTISED_1000baseT_Half)
+ adv |= PHY_B_1000C_AHD;
+ if (skge->advertising & ADVERTISED_1000baseT_Full)
+ adv |= PHY_B_1000C_AFD;
+ xm_phy_write(hw, port, PHY_BCOM_1000T_CTRL, adv);
+
+ ctl |= PHY_CT_ANE | PHY_CT_RE_CFG;
+ } else {
+ if (skge->duplex == DUPLEX_FULL)
+ ctl |= PHY_CT_DUP_MD;
+ /* Force to slave */
+ xm_phy_write(hw, port, PHY_BCOM_1000T_CTRL, PHY_B_1000C_MSE);
+ }
+
+ /* Set autonegotiation pause parameters */
+ xm_phy_write(hw, port, PHY_BCOM_AUNE_ADV,
+ phy_pause_map[skge->flow_control] | PHY_AN_CSMA);
+
+ /* Handle Jumbo frames */
+ if (jumbo) {
+ xm_phy_write(hw, port, PHY_BCOM_AUX_CTRL,
+ PHY_B_AC_TX_TST | PHY_B_AC_LONG_PACK);
+
+ ext |= PHY_B_PEC_HIGH_LA;
+
+ }
+
+ xm_phy_write(hw, port, PHY_BCOM_P_EXT_CTRL, ext);
+ xm_phy_write(hw, port, PHY_BCOM_CTRL, ctl);
+
+ /* Use link status change interrrupt */
+ xm_phy_write(hw, port, PHY_BCOM_INT_MASK, PHY_B_DEF_MSK);
+
+ bcom_check_link(hw, port);
+}
+
+static void genesis_mac_init(struct skge_hw *hw, int port)
+{
+ struct net_device *dev = hw->dev[port];
+ struct skge_port *skge = netdev_priv(dev);
+ int jumbo = hw->dev[port]->mtu > ETH_DATA_LEN;
+ int i;
+ u32 r;
+ const u8 zero[6] = { 0 };
+
+ /* Clear MIB counters */
+ xm_write16(hw, port, XM_STAT_CMD,
+ XM_SC_CLR_RXC | XM_SC_CLR_TXC);
+ /* Clear two times according to Errata #3 */
+ xm_write16(hw, port, XM_STAT_CMD,
+ XM_SC_CLR_RXC | XM_SC_CLR_TXC);
/* initialize Rx, Tx and Link LED */
skge_write8(hw, SK_REG(port, LNK_LED_REG), LINKLED_ON);
* GMII mode.
*/
spin_lock_bh(&hw->phy_lock);
- if (hw->phy_type != SK_PHY_XMAC) {
- /* Take PHY out of reset. */
- r = skge_read32(hw, B2_GP_IO);
- if (port == 0)
- r |= GP_DIR_0|GP_IO_0;
- else
- r |= GP_DIR_2|GP_IO_2;
-
- skge_write32(hw, B2_GP_IO, r);
- skge_read32(hw, B2_GP_IO);
-
- /* Enable GMII mode on the XMAC. */
- xm_write16(hw, port, XM_HW_CFG, XM_HW_GMII_MD);
-
- id1 = xm_phy_read(hw, port, PHY_XMAC_ID1);
-
- /* Optimize MDIO transfer by suppressing preamble. */
- xm_write16(hw, port, XM_MMU_CMD,
- xm_read16(hw, port, XM_MMU_CMD)
- | XM_MMU_NO_PRE);
-
- if (id1 == PHY_BCOM_ID1_C0) {
- /*
- * Workaround BCOM Errata for the C0 type.
- * Write magic patterns to reserved registers.
- */
- for (i = 0; i < ARRAY_SIZE(C0hack); i++)
- xm_phy_write(hw, port,
- C0hack[i].reg, C0hack[i].val);
-
- } else if (id1 == PHY_BCOM_ID1_A1) {
- /*
- * Workaround BCOM Errata for the A1 type.
- * Write magic patterns to reserved registers.
- */
- for (i = 0; i < ARRAY_SIZE(A1hack); i++)
- xm_phy_write(hw, port,
- A1hack[i].reg, A1hack[i].val);
- }
+ /* Take external Phy out of reset */
+ r = skge_read32(hw, B2_GP_IO);
+ if (port == 0)
+ r |= GP_DIR_0|GP_IO_0;
+ else
+ r |= GP_DIR_2|GP_IO_2;
- /*
- * Workaround BCOM Errata (#10523) for all BCom PHYs.
- * Disable Power Management after reset.
- */
- r = xm_phy_read(hw, port, PHY_BCOM_AUX_CTRL);
- xm_phy_write(hw, port, PHY_BCOM_AUX_CTRL, r | PHY_B_AC_DIS_PM);
- }
+ skge_write32(hw, B2_GP_IO, r);
+ skge_read32(hw, B2_GP_IO);
+ spin_unlock_bh(&hw->phy_lock);
- /* Dummy read */
- xm_read16(hw, port, XM_ISRC);
+ /* Enable GMII interfac */
+ xm_write16(hw, port, XM_HW_CFG, XM_HW_GMII_MD);
+
+ bcom_phy_init(skge, jumbo);
+
+ /* Set Station Address */
+ xm_outaddr(hw, port, XM_SA, dev->dev_addr);
+
+ /* We don't use match addresses so clear */
+ for (i = 1; i < 16; i++)
+ xm_outaddr(hw, port, XM_EXM(i), zero);
- r = xm_read32(hw, port, XM_MODE);
- xm_write32(hw, port, XM_MODE, r|XM_MD_CSA);
+ /* configure Rx High Water Mark (XM_RX_HI_WM) */
+ xm_write16(hw, port, XM_RX_HI_WM, 1450);
/* We don't need the FCS appended to the packet. */
- r = xm_read16(hw, port, XM_RX_CMD);
- xm_write16(hw, port, XM_RX_CMD, r | XM_RX_STRIP_FCS);
+ r = XM_RX_LENERR_OK | XM_RX_STRIP_FCS;
+ if (jumbo)
+ r |= XM_RX_BIG_PK_OK;
+
+ if (skge->duplex == DUPLEX_HALF) {
+ /*
+ * If in manual half duplex mode the other side might be in
+ * full duplex mode, so ignore if a carrier extension is not seen
+ * on frames received
+ */
+ r |= XM_RX_DIS_CEXT;
+ }
+ xm_write16(hw, port, XM_RX_CMD, r);
+
/* We want short frames padded to 60 bytes. */
- r = xm_read16(hw, port, XM_TX_CMD);
- xm_write16(hw, port, XM_TX_CMD, r | XM_TX_AUTO_PAD);
+ xm_write16(hw, port, XM_TX_CMD, XM_TX_AUTO_PAD);
+
+ /*
+ * Bump up the transmit threshold. This helps hold off transmit
+ * underruns when we're blasting traffic from both ports at once.
+ */
+ xm_write16(hw, port, XM_TX_THR, 512);
/*
* Enable the reception of all error frames. This is is
* case the XMAC will start transfering frames out of the
* RX FIFO as soon as the FIFO threshold is reached.
*/
- r = xm_read32(hw, port, XM_MODE);
- xm_write32(hw, port, XM_MODE,
- XM_MD_RX_CRCE|XM_MD_RX_LONG|XM_MD_RX_RUNT|
- XM_MD_RX_ERR|XM_MD_RX_IRLE);
+ xm_write32(hw, port, XM_MODE, XM_DEF_MODE);
- xm_outaddr(hw, port, XM_SA, hw->dev[port]->dev_addr);
- xm_outaddr(hw, port, XM_EXM(0), hw->dev[port]->dev_addr);
/*
- * Bump up the transmit threshold. This helps hold off transmit
- * underruns when we're blasting traffic from both ports at once.
+ * Initialize the Receive Counter Event Mask (XM_RX_EV_MSK)
+ * - Enable all bits excepting 'Octets Rx OK Low CntOv'
+ * and 'Octets Rx OK Hi Cnt Ov'.
*/
- xm_write16(hw, port, XM_TX_THR, 512);
+ xm_write32(hw, port, XM_RX_EV_MSK, XMR_DEF_MSK);
+
+ /*
+ * Initialize the Transmit Counter Event Mask (XM_TX_EV_MSK)
+ * - Enable all bits excepting 'Octets Tx OK Low CntOv'
+ * and 'Octets Tx OK Hi Cnt Ov'.
+ */
+ xm_write32(hw, port, XM_TX_EV_MSK, XMT_DEF_MSK);
/* Configure MAC arbiter */
skge_write16(hw, B3_MA_TO_CTRL, MA_RST_CLR);
skge_write16(hw, SK_REG(port, TX_MFF_CTRL1), MFF_TX_CTRL_DEF);
skge_write8(hw, SK_REG(port, TX_MFF_CTRL2), MFF_ENA_OP_MD);
- if (hw->dev[port]->mtu > ETH_DATA_LEN) {
+ if (jumbo) {
/* Enable frame flushing if jumbo frames used */
skge_write16(hw, SK_REG(port,RX_MFF_CTRL1), MFF_ENA_FLUSH);
} else {
/* enable timeout timers if normal frames */
skge_write16(hw, B3_PA_CTRL,
- port == 0 ? PA_ENA_TO_TX1 : PA_ENA_TO_TX2);
+ (port == 0) ? PA_ENA_TO_TX1 : PA_ENA_TO_TX2);
}
-
-
- r = xm_read16(hw, port, XM_RX_CMD);
- if (hw->dev[port]->mtu > ETH_DATA_LEN)
- xm_write16(hw, port, XM_RX_CMD, r | XM_RX_BIG_PK_OK);
- else
- xm_write16(hw, port, XM_RX_CMD, r & ~(XM_RX_BIG_PK_OK));
-
- switch (hw->phy_type) {
- case SK_PHY_XMAC:
- if (skge->autoneg == AUTONEG_ENABLE) {
- ctrl1 = PHY_X_AN_FD | PHY_X_AN_HD;
-
- switch (skge->flow_control) {
- case FLOW_MODE_NONE:
- ctrl1 |= PHY_X_P_NO_PAUSE;
- break;
- case FLOW_MODE_LOC_SEND:
- ctrl1 |= PHY_X_P_ASYM_MD;
- break;
- case FLOW_MODE_SYMMETRIC:
- ctrl1 |= PHY_X_P_SYM_MD;
- break;
- case FLOW_MODE_REM_SEND:
- ctrl1 |= PHY_X_P_BOTH_MD;
- break;
- }
-
- xm_phy_write(hw, port, PHY_XMAC_AUNE_ADV, ctrl1);
- ctrl2 = PHY_CT_ANE | PHY_CT_RE_CFG;
- } else {
- ctrl2 = 0;
- if (skge->duplex == DUPLEX_FULL)
- ctrl2 |= PHY_CT_DUP_MD;
- }
-
- xm_phy_write(hw, port, PHY_XMAC_CTRL, ctrl2);
- break;
-
- case SK_PHY_BCOM:
- ctrl1 = PHY_CT_SP1000;
- ctrl2 = 0;
- ctrl3 = PHY_SEL_TYPE;
- ctrl4 = PHY_B_PEC_EN_LTR;
- ctrl5 = PHY_B_AC_TX_TST;
-
- if (skge->autoneg == AUTONEG_ENABLE) {
- /*
- * Workaround BCOM Errata #1 for the C5 type.
- * 1000Base-T Link Acquisition Failure in Slave Mode
- * Set Repeater/DTE bit 10 of the 1000Base-T Control Register
- */
- ctrl2 |= PHY_B_1000C_RD;
- if (skge->advertising & ADVERTISED_1000baseT_Half)
- ctrl2 |= PHY_B_1000C_AHD;
- if (skge->advertising & ADVERTISED_1000baseT_Full)
- ctrl2 |= PHY_B_1000C_AFD;
-
- /* Set Flow-control capabilities */
- switch (skge->flow_control) {
- case FLOW_MODE_NONE:
- ctrl3 |= PHY_B_P_NO_PAUSE;
- break;
- case FLOW_MODE_LOC_SEND:
- ctrl3 |= PHY_B_P_ASYM_MD;
- break;
- case FLOW_MODE_SYMMETRIC:
- ctrl3 |= PHY_B_P_SYM_MD;
- break;
- case FLOW_MODE_REM_SEND:
- ctrl3 |= PHY_B_P_BOTH_MD;
- break;
- }
-
- /* Restart Auto-negotiation */
- ctrl1 |= PHY_CT_ANE | PHY_CT_RE_CFG;
- } else {
- if (skge->duplex == DUPLEX_FULL)
- ctrl1 |= PHY_CT_DUP_MD;
-
- ctrl2 |= PHY_B_1000C_MSE; /* set it to Slave */
- }
-
- xm_phy_write(hw, port, PHY_BCOM_1000T_CTRL, ctrl2);
- xm_phy_write(hw, port, PHY_BCOM_AUNE_ADV, ctrl3);
-
- if (skge->netdev->mtu > ETH_DATA_LEN) {
- ctrl4 |= PHY_B_PEC_HIGH_LA;
- ctrl5 |= PHY_B_AC_LONG_PACK;
-
- xm_phy_write(hw, port,PHY_BCOM_AUX_CTRL, ctrl5);
- }
-
- xm_phy_write(hw, port, PHY_BCOM_P_EXT_CTRL, ctrl4);
- xm_phy_write(hw, port, PHY_BCOM_CTRL, ctrl1);
- break;
- }
- spin_unlock_bh(&hw->phy_lock);
-
- /* Clear MIB counters */
- xm_write16(hw, port, XM_STAT_CMD,
- XM_SC_CLR_RXC | XM_SC_CLR_TXC);
- /* Clear two times according to Errata #3 */
- xm_write16(hw, port, XM_STAT_CMD,
- XM_SC_CLR_RXC | XM_SC_CLR_TXC);
-
- /* Start polling for link status */
- mod_timer(&skge->link_check, jiffies + LINK_POLL_HZ);
}
static void genesis_stop(struct skge_port *skge)
{
struct skge_hw *hw = skge->hw;
int port = skge->port;
+ u32 reg;
/* Clear Tx packet arbiter timeout IRQ */
skge_write16(hw, B3_PA_CTRL,
skge_write16(hw, SK_REG(port, TX_MFF_CTRL1), MFF_SET_MAC_RST);
/* For external PHYs there must be special handling */
- if (hw->phy_type != SK_PHY_XMAC) {
- u32 reg = skge_read32(hw, B2_GP_IO);
-
- if (port == 0) {
- reg |= GP_DIR_0;
- reg &= ~GP_IO_0;
- } else {
- reg |= GP_DIR_2;
- reg &= ~GP_IO_2;
- }
- skge_write32(hw, B2_GP_IO, reg);
- skge_read32(hw, B2_GP_IO);
+ reg = skge_read32(hw, B2_GP_IO);
+ if (port == 0) {
+ reg |= GP_DIR_0;
+ reg &= ~GP_IO_0;
+ } else {
+ reg |= GP_DIR_2;
+ reg &= ~GP_IO_2;
}
+ skge_write32(hw, B2_GP_IO, reg);
+ skge_read32(hw, B2_GP_IO);
xm_write16(hw, port, XM_MMU_CMD,
xm_read16(hw, port, XM_MMU_CMD)
struct skge_port *skge = netdev_priv(hw->dev[port]);
u16 status = xm_read16(hw, port, XM_ISRC);
- pr_debug("genesis_intr status %x\n", status);
- if (hw->phy_type == SK_PHY_XMAC) {
- /* LInk down, start polling for state change */
- if (status & XM_IS_INP_ASS) {
- xm_write16(hw, port, XM_IMSK,
- xm_read16(hw, port, XM_IMSK) | XM_IS_INP_ASS);
- mod_timer(&skge->link_check, jiffies + LINK_POLL_HZ);
- }
- else if (status & XM_IS_AND)
- mod_timer(&skge->link_check, jiffies + LINK_POLL_HZ);
- }
+ if (netif_msg_intr(skge))
+ printk(KERN_DEBUG PFX "%s: mac interrupt status 0x%x\n",
+ skge->netdev->name, status);
if (status & XM_IS_TXF_UR) {
xm_write32(hw, port, XM_MODE, XM_MD_FTF);
return gma_read16(hw, port, GM_SMI_DATA);
}
-static void genesis_link_down(struct skge_port *skge)
-{
- struct skge_hw *hw = skge->hw;
- int port = skge->port;
-
- pr_debug("genesis_link_down\n");
-
- xm_write16(hw, port, XM_MMU_CMD,
- xm_read16(hw, port, XM_MMU_CMD)
- & ~(XM_MMU_ENA_RX | XM_MMU_ENA_TX));
-
- /* dummy read to ensure writing */
- (void) xm_read16(hw, port, XM_MMU_CMD);
-
- skge_link_down(skge);
-}
-
static void genesis_link_up(struct skge_port *skge)
{
struct skge_hw *hw = skge->hw;
*/
if (skge->flow_control == FLOW_MODE_NONE ||
skge->flow_control == FLOW_MODE_LOC_SEND)
+ /* Disable Pause Frame Reception */
cmd |= XM_MMU_IGN_PF;
else
/* Enable Pause Frame Reception */
xm_write32(hw, port, XM_MODE, mode);
msk = XM_DEF_MSK;
- if (hw->phy_type != SK_PHY_XMAC)
- msk |= XM_IS_INP_ASS; /* disable GP0 interrupt bit */
+ /* disable GP0 interrupt bit for external Phy */
+ msk |= XM_IS_INP_ASS;
xm_write16(hw, port, XM_IMSK, msk);
xm_read16(hw, port, XM_ISRC);
/* get MMU Command Reg. */
cmd = xm_read16(hw, port, XM_MMU_CMD);
- if (hw->phy_type != SK_PHY_XMAC && skge->duplex == DUPLEX_FULL)
+ if (skge->duplex == DUPLEX_FULL)
cmd |= XM_MMU_GMII_FD;
- if (hw->phy_type == SK_PHY_BCOM) {
- /*
- * Workaround BCOM Errata (#10523) for all BCom Phys
- * Enable Power Management after link up
- */
- xm_phy_write(hw, port, PHY_BCOM_AUX_CTRL,
- xm_phy_read(hw, port, PHY_BCOM_AUX_CTRL)
- & ~PHY_B_AC_DIS_PM);
- xm_phy_write(hw, port, PHY_BCOM_INT_MASK,
- PHY_B_DEF_MSK);
- }
+ /*
+ * Workaround BCOM Errata (#10523) for all BCom Phys
+ * Enable Power Management after link up
+ */
+ xm_phy_write(hw, port, PHY_BCOM_AUX_CTRL,
+ xm_phy_read(hw, port, PHY_BCOM_AUX_CTRL)
+ & ~PHY_B_AC_DIS_PM);
+ xm_phy_write(hw, port, PHY_BCOM_INT_MASK, PHY_B_DEF_MSK);
/* enable Rx/Tx */
xm_write16(hw, port, XM_MMU_CMD,
}
-static void genesis_bcom_intr(struct skge_port *skge)
+static inline void bcom_phy_intr(struct skge_port *skge)
{
struct skge_hw *hw = skge->hw;
int port = skge->port;
- u16 stat = xm_phy_read(hw, port, PHY_BCOM_INT_STAT);
+ u16 isrc;
+
+ isrc = xm_phy_read(hw, port, PHY_BCOM_INT_STAT);
+ if (netif_msg_intr(skge))
+ printk(KERN_DEBUG PFX "%s: phy interrupt status 0x%x\n",
+ skge->netdev->name, isrc);
- pr_debug("genesis_bcom intr stat=%x\n", stat);
+ if (isrc & PHY_B_IS_PSE)
+ printk(KERN_ERR PFX "%s: uncorrectable pair swap error\n",
+ hw->dev[port]->name);
/* Workaround BCom Errata:
* enable and disable loopback mode if "NO HCD" occurs.
*/
- if (stat & PHY_B_IS_NO_HDCL) {
+ if (isrc & PHY_B_IS_NO_HDCL) {
u16 ctrl = xm_phy_read(hw, port, PHY_BCOM_CTRL);
xm_phy_write(hw, port, PHY_BCOM_CTRL,
ctrl | PHY_CT_LOOP);
ctrl & ~PHY_CT_LOOP);
}
- stat = xm_phy_read(hw, port, PHY_BCOM_STAT);
- if (stat & (PHY_B_IS_AN_PR | PHY_B_IS_LST_CHANGE)) {
- u16 aux = xm_phy_read(hw, port, PHY_BCOM_AUX_STAT);
- if ( !(aux & PHY_B_AS_LS) && netif_carrier_ok(skge->netdev))
- genesis_link_down(skge);
-
- else if (stat & PHY_B_IS_LST_CHANGE) {
- if (aux & PHY_B_AS_AN_C) {
- switch (aux & PHY_B_AS_AN_RES_MSK) {
- case PHY_B_RES_1000FD:
- skge->duplex = DUPLEX_FULL;
- break;
- case PHY_B_RES_1000HD:
- skge->duplex = DUPLEX_HALF;
- break;
- }
-
- switch (aux & PHY_B_AS_PAUSE_MSK) {
- case PHY_B_AS_PAUSE_MSK:
- skge->flow_control = FLOW_MODE_SYMMETRIC;
- break;
- case PHY_B_AS_PRR:
- skge->flow_control = FLOW_MODE_REM_SEND;
- break;
- case PHY_B_AS_PRT:
- skge->flow_control = FLOW_MODE_LOC_SEND;
- break;
- default:
- skge->flow_control = FLOW_MODE_NONE;
- }
- skge->speed = SPEED_1000;
- }
- genesis_link_up(skge);
- }
- else
- mod_timer(&skge->link_check, jiffies + LINK_POLL_HZ);
- }
-}
+ if (isrc & (PHY_B_IS_AN_PR | PHY_B_IS_LST_CHANGE))
+ bcom_check_link(hw, port);
-/* Perodic poll of phy status to check for link transistion */
-static void skge_link_timer(unsigned long __arg)
-{
- struct skge_port *skge = (struct skge_port *) __arg;
- struct skge_hw *hw = skge->hw;
- int port = skge->port;
-
- if (hw->chip_id != CHIP_ID_GENESIS || !netif_running(skge->netdev))
- return;
-
- spin_lock_bh(&hw->phy_lock);
- if (hw->phy_type == SK_PHY_BCOM)
- genesis_bcom_intr(skge);
- else {
- int i;
- for (i = 0; i < 3; i++)
- if (xm_read16(hw, port, XM_ISRC) & XM_IS_INP_ASS)
- break;
-
- if (i == 3)
- mod_timer(&skge->link_check, jiffies + LINK_POLL_HZ);
- else
- genesis_link_up(skge);
- }
- spin_unlock_bh(&hw->phy_lock);
}
/* Marvell Phy Initailization */
PHY_M_EC_MAC_S_MSK);
ectrl |= PHY_M_EC_MAC_S(MAC_TX_CLK_25_MHZ);
- /* on PHY 88E1111 there is a change for downshift control */
- if (hw->chip_id == CHIP_ID_YUKON_EC)
- ectrl |= PHY_M_EC_M_DSC_2(0) | PHY_M_EC_DOWN_S_ENA;
- else
- ectrl |= PHY_M_EC_M_DSC(0) | PHY_M_EC_S_DSC(1);
+ ectrl |= PHY_M_EC_M_DSC(0) | PHY_M_EC_S_DSC(1);
gm_phy_write(hw, port, PHY_MARV_EXT_CTRL, ectrl);
}
ctrl = 0;
ct1000 = 0;
- adv = PHY_SEL_TYPE;
+ adv = PHY_AN_CSMA;
if (skge->autoneg == AUTONEG_ENABLE) {
if (iscopper(hw)) {
adv |= PHY_M_AN_10_FD;
if (skge->advertising & ADVERTISED_10baseT_Half)
adv |= PHY_M_AN_10_HD;
-
- /* Set Flow-control capabilities */
- switch (skge->flow_control) {
- case FLOW_MODE_NONE:
- adv |= PHY_B_P_NO_PAUSE;
- break;
- case FLOW_MODE_LOC_SEND:
- adv |= PHY_B_P_ASYM_MD;
- break;
- case FLOW_MODE_SYMMETRIC:
- adv |= PHY_B_P_SYM_MD;
- break;
- case FLOW_MODE_REM_SEND:
- adv |= PHY_B_P_BOTH_MD;
- break;
- }
- } else { /* special defines for FIBER (88E1011S only) */
+ } else /* special defines for FIBER (88E1011S only) */
adv |= PHY_M_AN_1000X_AHD | PHY_M_AN_1000X_AFD;
- /* Set Flow-control capabilities */
- switch (skge->flow_control) {
- case FLOW_MODE_NONE:
- adv |= PHY_M_P_NO_PAUSE_X;
- break;
- case FLOW_MODE_LOC_SEND:
- adv |= PHY_M_P_ASYM_MD_X;
- break;
- case FLOW_MODE_SYMMETRIC:
- adv |= PHY_M_P_SYM_MD_X;
- break;
- case FLOW_MODE_REM_SEND:
- adv |= PHY_M_P_BOTH_MD_X;
- break;
- }
- }
+ /* Set Flow-control capabilities */
+ adv |= phy_pause_map[skge->flow_control];
+
/* Restart Auto-negotiation */
ctrl |= PHY_CT_ANE | PHY_CT_RE_CFG;
} else {
ctrl |= PHY_CT_RESET;
}
- if (hw->chip_id != CHIP_ID_YUKON_FE)
- gm_phy_write(hw, port, PHY_MARV_1000T_CTRL, ct1000);
+ gm_phy_write(hw, port, PHY_MARV_1000T_CTRL, ct1000);
gm_phy_write(hw, port, PHY_MARV_AUNE_ADV, adv);
gm_phy_write(hw, port, PHY_MARV_CTRL, ctrl);
ledctrl = PHY_M_LED_PULS_DUR(PULS_170MS);
ledover = 0;
- if (hw->chip_id == CHIP_ID_YUKON_FE) {
- /* on 88E3082 these bits are at 11..9 (shifted left) */
- ledctrl |= PHY_M_LED_BLINK_RT(BLINK_84MS) << 1;
+ ledctrl |= PHY_M_LED_BLINK_RT(BLINK_84MS) | PHY_M_LEDC_TX_CTRL;
- gm_phy_write(hw, port, PHY_MARV_FE_LED_PAR,
- ((gm_phy_read(hw, port, PHY_MARV_FE_LED_PAR)
-
- & ~PHY_M_FELP_LED1_MSK)
- | PHY_M_FELP_LED1_CTRL(LED_PAR_CTRL_ACT_BL)));
- } else {
- /* 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);
- }
+ /* turn off the Rx LED (LED_RX) */
+ ledover |= PHY_M_LED_MO_RX(MO_LED_OFF);
/* disable blink mode (LED_DUPLEX) on collisions */
ctrl |= PHY_M_LEDC_DP_CTRL;
static void yukon_mac_intr(struct skge_hw *hw, int port)
{
- struct skge_port *skge = netdev_priv(hw->dev[port]);
+ struct net_device *dev = hw->dev[port];
+ struct skge_port *skge = netdev_priv(dev);
u8 status = skge_read8(hw, SK_REG(port, GMAC_IRQ_SRC));
- pr_debug("yukon_intr status %x\n", status);
+ if (netif_msg_intr(skge))
+ printk(KERN_DEBUG PFX "%s: mac interrupt status 0x%x\n",
+ dev->name, status);
+
if (status & GM_IS_RX_FF_OR) {
++skge->net_stats.rx_fifo_errors;
gma_write8(hw, port, RX_GMF_CTRL_T, GMF_CLI_RX_FO);
static u16 yukon_speed(const struct skge_hw *hw, u16 aux)
{
- if (hw->chip_id == CHIP_ID_YUKON_FE)
- return (aux & PHY_M_PS_SPEED_100) ? SPEED_100 : SPEED_10;
-
switch (aux & PHY_M_PS_SPEED_MSK) {
case PHY_M_PS_SPEED_1000:
return SPEED_1000;
gm_phy_read(hw, port, GM_GP_CTRL)
& ~(GM_GPCR_RX_ENA | GM_GPCR_TX_ENA));
- if (hw->chip_id != CHIP_ID_YUKON_FE &&
- skge->flow_control == FLOW_MODE_REM_SEND) {
+ if (skge->flow_control == FLOW_MODE_REM_SEND) {
/* restore Asymmetric Pause bit */
gm_phy_write(hw, port, PHY_MARV_AUNE_ADV,
gm_phy_read(hw, port,
istatus = gm_phy_read(hw, port, PHY_MARV_INT_STAT);
phystat = gm_phy_read(hw, port, PHY_MARV_PHY_STAT);
- pr_debug("yukon phy intr istat=%x phy_stat=%x\n", istatus, phystat);
+
+ if (netif_msg_intr(skge))
+ printk(KERN_DEBUG PFX "%s: phy interrupt status 0x%x 0x%x\n",
+ skge->netdev->name, istatus, phystat);
if (istatus & PHY_M_IS_AN_COMPL) {
if (gm_phy_read(hw, port, PHY_MARV_AUNE_LP)
goto failed;
}
- if (!(hw->chip_id == CHIP_ID_YUKON_FE || hw->chip_id == CHIP_ID_YUKON_EC)
- && (gm_phy_read(hw, port, PHY_MARV_1000T_STAT)
- & PHY_B_1000S_MSF)) {
+ if (gm_phy_read(hw, port, PHY_MARV_1000T_STAT) & PHY_B_1000S_MSF) {
reason = "master/slave fault";
goto failed;
}
? DUPLEX_FULL : DUPLEX_HALF;
skge->speed = yukon_speed(hw, phystat);
- /* Tx & Rx Pause Enabled bits are at 9..8 */
- if (hw->chip_id == CHIP_ID_YUKON_XL)
- phystat >>= 6;
-
/* We are using IEEE 802.3z/D5.0 Table 37-4 */
switch (phystat & PHY_M_PS_PAUSE_MSK) {
case PHY_M_PS_PAUSE_MSK:
if (netif_msg_ifup(skge))
printk(KERN_INFO PFX "%s: enabling interface\n", dev->name);
+ if (dev->mtu > RX_BUF_SIZE)
+ skge->rx_buf_size = dev->mtu + ETH_HLEN + NET_IP_ALIGN;
+ else
+ skge->rx_buf_size = RX_BUF_SIZE;
+
+
rx_size = skge->rx_ring.count * sizeof(struct skge_rx_desc);
tx_size = skge->tx_ring.count * sizeof(struct skge_tx_desc);
skge->mem_size = tx_size + rx_size;
if ((err = skge_ring_alloc(&skge->rx_ring, skge->mem, skge->dma)))
goto free_pci_mem;
- if (skge_rx_fill(skge))
+ err = skge_rx_fill(skge);
+ if (err)
goto free_rx_ring;
if ((err = skge_ring_alloc(&skge->tx_ring, skge->mem + rx_size,
skge->tx_avail = skge->tx_ring.count - 1;
+ /* Enable IRQ from port */
+ hw->intr_mask |= portirqmask[port];
+ skge_write32(hw, B0_IMSK, hw->intr_mask);
+
/* Initialze MAC */
if (hw->chip_id == CHIP_ID_GENESIS)
genesis_mac_init(hw, port);
netif_stop_queue(dev);
del_timer_sync(&skge->led_blink);
- del_timer_sync(&skge->link_check);
/* Stop transmitter */
skge_write8(hw, Q_ADDR(txqaddr[port], Q_CSR), CSR_STOP);
static inline void skge_tx_free(struct skge_hw *hw, struct skge_element *e)
{
+ /* This ring element can be skb or fragment */
if (e->skb) {
pci_unmap_single(hw->pdev,
pci_unmap_addr(e, mapaddr),
static int skge_change_mtu(struct net_device *dev, int new_mtu)
{
int err = 0;
+ int running = netif_running(dev);
if (new_mtu < ETH_ZLEN || new_mtu > ETH_JUMBO_MTU)
return -EINVAL;
- dev->mtu = new_mtu;
- if (netif_running(dev)) {
+ if (running)
skge_down(dev);
+ dev->mtu = new_mtu;
+ if (running)
skge_up(dev);
- }
return err;
}
u32 mode;
u8 filter[8];
+ pr_debug("genesis_set_multicast flags=%x count=%d\n", dev->flags, dev->mc_count);
+
mode = xm_read32(hw, port, XM_MODE);
mode |= XM_MD_ENA_HASH;
if (dev->flags & IFF_PROMISC)
else {
memset(filter, 0, sizeof(filter));
for (i = 0; list && i < count; i++, list = list->next) {
- u32 crc = crc32_le(~0, list->dmi_addr, ETH_ALEN);
- u8 bit = 63 - (crc & 63);
-
+ u32 crc, bit;
+ crc = ether_crc_le(ETH_ALEN, list->dmi_addr);
+ bit = ~crc & 0x3f;
filter[bit/8] |= 1 << (bit%8);
}
}
- xm_outhash(hw, port, XM_HSM, filter);
-
xm_write32(hw, port, XM_MODE, mode);
+ xm_outhash(hw, port, XM_HSM, filter);
}
static void yukon_set_multicast(struct net_device *dev)
printk(KERN_DEBUG PFX "%s: rx err, slot %d control 0x%x status 0x%x\n",
skge->netdev->name, slot, control, status);
- if ((control & (BMU_EOF|BMU_STF)) != (BMU_STF|BMU_EOF)
- || (control & BMU_BBC) > skge->netdev->mtu + VLAN_ETH_HLEN)
+ if ((control & (BMU_EOF|BMU_STF)) != (BMU_STF|BMU_EOF))
skge->net_stats.rx_length_errors++;
- else {
- if (skge->hw->chip_id == CHIP_ID_GENESIS) {
- if (status & (XMR_FS_RUNT|XMR_FS_LNG_ERR))
- skge->net_stats.rx_length_errors++;
- if (status & XMR_FS_FRA_ERR)
- skge->net_stats.rx_frame_errors++;
- if (status & XMR_FS_FCS_ERR)
- skge->net_stats.rx_crc_errors++;
- } else {
- if (status & (GMR_FS_LONG_ERR|GMR_FS_UN_SIZE))
- skge->net_stats.rx_length_errors++;
- if (status & GMR_FS_FRAGMENT)
- skge->net_stats.rx_frame_errors++;
- if (status & GMR_FS_CRC_ERR)
- skge->net_stats.rx_crc_errors++;
+ else if (skge->hw->chip_id == CHIP_ID_GENESIS) {
+ if (status & (XMR_FS_RUNT|XMR_FS_LNG_ERR))
+ skge->net_stats.rx_length_errors++;
+ if (status & XMR_FS_FRA_ERR)
+ skge->net_stats.rx_frame_errors++;
+ if (status & XMR_FS_FCS_ERR)
+ skge->net_stats.rx_crc_errors++;
+ } else {
+ if (status & (GMR_FS_LONG_ERR|GMR_FS_UN_SIZE))
+ skge->net_stats.rx_length_errors++;
+ if (status & GMR_FS_FRAGMENT)
+ skge->net_stats.rx_frame_errors++;
+ if (status & GMR_FS_CRC_ERR)
+ skge->net_stats.rx_crc_errors++;
+ }
+}
+
+/* Get receive buffer from descriptor.
+ * Handles copy of small buffers and reallocation failures
+ */
+static inline struct sk_buff *skge_rx_get(struct skge_port *skge,
+ struct skge_element *e,
+ unsigned int len)
+{
+ struct sk_buff *nskb, *skb;
+
+ if (len < RX_COPY_THRESHOLD) {
+ nskb = skge_rx_alloc(skge->netdev, len + NET_IP_ALIGN);
+ if (unlikely(!nskb))
+ return NULL;
+
+ pci_dma_sync_single_for_cpu(skge->hw->pdev,
+ pci_unmap_addr(e, mapaddr),
+ len, PCI_DMA_FROMDEVICE);
+ memcpy(nskb->data, e->skb->data, len);
+ pci_dma_sync_single_for_device(skge->hw->pdev,
+ pci_unmap_addr(e, mapaddr),
+ len, PCI_DMA_FROMDEVICE);
+
+ if (skge->rx_csum) {
+ struct skge_rx_desc *rd = e->desc;
+ nskb->csum = le16_to_cpu(rd->csum2);
+ nskb->ip_summed = CHECKSUM_HW;
}
+ skge_rx_reuse(e, skge->rx_buf_size);
+ return nskb;
+ } else {
+ nskb = skge_rx_alloc(skge->netdev, skge->rx_buf_size);
+ if (unlikely(!nskb))
+ return NULL;
+
+ pci_unmap_single(skge->hw->pdev,
+ pci_unmap_addr(e, mapaddr),
+ pci_unmap_len(e, maplen),
+ PCI_DMA_FROMDEVICE);
+ skb = e->skb;
+ if (skge->rx_csum) {
+ struct skge_rx_desc *rd = e->desc;
+ skb->csum = le16_to_cpu(rd->csum2);
+ skb->ip_summed = CHECKSUM_HW;
+ }
+
+ skge_rx_setup(skge, e, nskb, skge->rx_buf_size);
+ return skb;
}
}
+
static int skge_poll(struct net_device *dev, int *budget)
{
struct skge_port *skge = netdev_priv(dev);
struct skge_element *e;
unsigned int to_do = min(dev->quota, *budget);
unsigned int work_done = 0;
- int done;
- static const u32 irqmask[] = { IS_PORT_1, IS_PORT_2 };
- for (e = ring->to_clean; e != ring->to_use && work_done < to_do;
- e = e->next) {
+ pr_debug("skge_poll\n");
+
+ for (e = ring->to_clean; work_done < to_do; e = e->next) {
struct skge_rx_desc *rd = e->desc;
- struct sk_buff *skb = e->skb;
+ struct sk_buff *skb;
u32 control, len, status;
rmb();
break;
len = control & BMU_BBC;
- e->skb = NULL;
-
- pci_unmap_single(hw->pdev,
- pci_unmap_addr(e, mapaddr),
- pci_unmap_len(e, maplen),
- PCI_DMA_FROMDEVICE);
-
status = rd->status;
- if ((control & (BMU_EOF|BMU_STF)) != (BMU_STF|BMU_EOF)
- || len > dev->mtu + VLAN_ETH_HLEN
- || bad_phy_status(hw, status)) {
+
+ if (unlikely((control & (BMU_EOF|BMU_STF)) != (BMU_STF|BMU_EOF)
+ || bad_phy_status(hw, status))) {
skge_rx_error(skge, e - ring->start, control, status);
- dev_kfree_skb(skb);
+ skge_rx_reuse(e, skge->rx_buf_size);
continue;
}
printk(KERN_DEBUG PFX "%s: rx slot %td status 0x%x len %d\n",
dev->name, e - ring->start, rd->status, len);
- skb_put(skb, len);
- skb->protocol = eth_type_trans(skb, dev);
+ skb = skge_rx_get(skge, e, len);
+ if (likely(skb)) {
+ skb_put(skb, len);
+ skb->protocol = eth_type_trans(skb, dev);
- if (skge->rx_csum) {
- skb->csum = le16_to_cpu(rd->csum2);
- skb->ip_summed = CHECKSUM_HW;
- }
-
- dev->last_rx = jiffies;
- netif_receive_skb(skb);
+ dev->last_rx = jiffies;
+ netif_receive_skb(skb);
- ++work_done;
+ ++work_done;
+ } else
+ skge_rx_reuse(e, skge->rx_buf_size);
}
ring->to_clean = e;
- *budget -= work_done;
- dev->quota -= work_done;
- done = work_done < to_do;
-
- if (skge_rx_fill(skge))
- done = 0;
-
/* restart receiver */
wmb();
skge_write8(hw, Q_ADDR(rxqaddr[skge->port], Q_CSR),
CSR_START | CSR_IRQ_CL_F);
- if (done) {
- local_irq_disable();
- hw->intr_mask |= irqmask[skge->port];
- /* Order is important since data can get interrupted */
- skge_write32(hw, B0_IMSK, hw->intr_mask);
- __netif_rx_complete(dev);
- local_irq_enable();
- }
+ *budget -= work_done;
+ dev->quota -= work_done;
- return !done;
+ if (work_done >= to_do)
+ return 1; /* not done */
+
+ local_irq_disable();
+ __netif_rx_complete(dev);
+ hw->intr_mask |= portirqmask[skge->port];
+ skge_write32(hw, B0_IMSK, hw->intr_mask);
+ local_irq_enable();
+ return 0;
}
static inline void skge_tx_intr(struct net_device *dev)
if (hw->chip_id != CHIP_ID_GENESIS)
yukon_phy_intr(skge);
- else if (hw->phy_type == SK_PHY_BCOM)
- genesis_bcom_intr(skge);
+ else
+ bcom_phy_intr(skge);
}
}
spin_unlock(&hw->phy_lock);
return IRQ_NONE;
status &= hw->intr_mask;
-
- if ((status & IS_R1_F) && netif_rx_schedule_prep(hw->dev[0])) {
- status &= ~IS_R1_F;
+ if (status & IS_R1_F) {
hw->intr_mask &= ~IS_R1_F;
- skge_write32(hw, B0_IMSK, hw->intr_mask);
- __netif_rx_schedule(hw->dev[0]);
+ netif_rx_schedule(hw->dev[0]);
}
- if ((status & IS_R2_F) && netif_rx_schedule_prep(hw->dev[1])) {
- status &= ~IS_R2_F;
+ if (status & IS_R2_F) {
hw->intr_mask &= ~IS_R2_F;
- skge_write32(hw, B0_IMSK, hw->intr_mask);
- __netif_rx_schedule(hw->dev[1]);
+ netif_rx_schedule(hw->dev[1]);
}
if (status & IS_XA1_F)
if (status & IS_XA2_F)
skge_tx_intr(hw->dev[1]);
+ if (status & IS_PA_TO_RX1) {
+ struct skge_port *skge = netdev_priv(hw->dev[0]);
+ ++skge->net_stats.rx_over_errors;
+ skge_write16(hw, B3_PA_CTRL, PA_CLR_TO_RX1);
+ }
+
+ if (status & IS_PA_TO_RX2) {
+ struct skge_port *skge = netdev_priv(hw->dev[1]);
+ ++skge->net_stats.rx_over_errors;
+ skge_write16(hw, B3_PA_CTRL, PA_CLR_TO_RX2);
+ }
+
+ if (status & IS_PA_TO_TX1)
+ skge_write16(hw, B3_PA_CTRL, PA_CLR_TO_TX1);
+
+ if (status & IS_PA_TO_TX2)
+ skge_write16(hw, B3_PA_CTRL, PA_CLR_TO_TX2);
+
if (status & IS_MAC1)
skge_mac_intr(hw, 0);
tasklet_schedule(&hw->ext_tasklet);
}
- if (status)
- skge_write32(hw, B0_IMSK, hw->intr_mask);
+ skge_write32(hw, B0_IMSK, hw->intr_mask);
return IRQ_HANDLED;
}
{ CHIP_ID_YUKON, "Yukon" },
{ CHIP_ID_YUKON_LITE, "Yukon-Lite"},
{ CHIP_ID_YUKON_LP, "Yukon-LP"},
- { CHIP_ID_YUKON_XL, "Yukon-2 XL"},
- { CHIP_ID_YUKON_EC, "YUKON-2 EC"},
- { CHIP_ID_YUKON_FE, "YUKON-2 FE"},
};
static const char *skge_board_name(const struct skge_hw *hw)
switch (hw->chip_id) {
case CHIP_ID_GENESIS:
switch (hw->phy_type) {
- case SK_PHY_XMAC:
- hw->phy_addr = PHY_ADDR_XMAC;
- break;
case SK_PHY_BCOM:
hw->phy_addr = PHY_ADDR_BCOM;
break;
skge_write32(hw, B2_IRQM_INI, skge_usecs2clk(hw, 100));
skge_write32(hw, B2_IRQM_CTRL, TIM_START);
- hw->intr_mask = IS_HW_ERR | IS_EXT_REG | IS_PORT_1;
- if (hw->ports > 1)
- hw->intr_mask |= IS_PORT_2;
+ hw->intr_mask = IS_HW_ERR | IS_EXT_REG;
skge_write32(hw, B0_IMSK, hw->intr_mask);
if (hw->chip_id != CHIP_ID_GENESIS)
skge->flow_control = FLOW_MODE_SYMMETRIC;
skge->duplex = -1;
skge->speed = -1;
- skge->advertising = skge_modes(hw);
+ skge->advertising = skge_supported_modes(hw);
hw->dev[port] = dev;
spin_lock_init(&skge->tx_lock);
- init_timer(&skge->link_check);
- skge->link_check.function = skge_link_timer;
- skge->link_check.data = (unsigned long) skge;
-
init_timer(&skge->led_blink);
skge->led_blink.function = skge_blink_timer;
skge->led_blink.data = (unsigned long) skge;
}
#ifdef CONFIG_PM
-static int skge_suspend(struct pci_dev *pdev, u32 state)
+static int skge_suspend(struct pci_dev *pdev, pm_message_t state)
{
struct skge_hw *hw = pci_get_drvdata(pdev);
int i, wol = 0;
}
pci_save_state(pdev);
- pci_enable_wake(pdev, state, wol);
+ pci_enable_wake(pdev, pci_choose_state(pdev, state), wol);
pci_disable_device(pdev);
pci_set_power_state(pdev, pci_choose_state(pdev, state));
projects / powerpc.git / blobdiff