#include <linux/init.h>
#include <linux/dma-mapping.h>
#include <linux/in.h>
+#include <linux/ip.h>
#include <linux/tcp.h>
#include <linux/udp.h>
#include <linux/etherdevice.h>
#include <linux/kernel.h>
#include <linux/spinlock.h>
#include <linux/workqueue.h>
-#include <linux/mii.h>
+#include <linux/phy.h>
#include <linux/mv643xx_eth.h>
#include <asm/io.h>
#include <asm/types.h>
#include <asm/system.h>
static char mv643xx_eth_driver_name[] = "mv643xx_eth";
-static char mv643xx_eth_driver_version[] = "1.3";
+static char mv643xx_eth_driver_version[] = "1.4";
/*
struct mv643xx_eth_shared_private *smi;
/*
- * Protects access to SMI_REG, which is shared between ports.
+ * Provides access to local SMI interface.
*/
- struct mutex phy_lock;
+ struct mii_bus *smi_bus;
/*
* If we have access to the error interrupt pin (which is
*/
unsigned int t_clk;
int extended_rx_coal_limit;
- int tx_bw_control_moved;
+ int tx_bw_control;
};
+#define TX_BW_CONTROL_ABSENT 0
+#define TX_BW_CONTROL_OLD_LAYOUT 1
+#define TX_BW_CONTROL_NEW_LAYOUT 2
+
/* per-port *****************************************************************/
struct mib_counters {
struct net_device *dev;
- int phy_addr;
+ struct phy_device *phy;
+ struct timer_list mib_counters_timer;
+ spinlock_t mib_counters_lock;
struct mib_counters mib_counters;
+
struct work_struct tx_timeout_task;
- struct mii_if_info mii;
struct napi_struct napi;
u8 work_link;
u8 work_rx_refill;
u8 work_rx_oom;
+ int skb_size;
+ struct sk_buff_head rx_recycle;
+
/*
* RX state.
*/
*/
skb_put(skb, byte_cnt - 2 - 4);
- if (cmd_sts & LAYER_4_CHECKSUM_OK) {
+ if (cmd_sts & LAYER_4_CHECKSUM_OK)
skb->ip_summed = CHECKSUM_UNNECESSARY;
- skb->csum = htons(
- (cmd_sts & 0x0007fff8) >> 3);
- }
skb->protocol = eth_type_trans(skb, mp->dev);
netif_receive_skb(skb);
}
static int rxq_refill(struct rx_queue *rxq, int budget)
{
struct mv643xx_eth_private *mp = rxq_to_mp(rxq);
- int skb_size;
int refilled;
- /*
- * Reserve 2+14 bytes for an ethernet header (the hardware
- * automatically prepends 2 bytes of dummy data to each
- * received packet), 16 bytes for up to four VLAN tags, and
- * 4 bytes for the trailing FCS -- 36 bytes total.
- */
- skb_size = rxq_to_mp(rxq)->dev->mtu + 36;
-
- /*
- * Make sure that the skb size is a multiple of 8 bytes, as
- * the lower three bits of the receive descriptor's buffer
- * size field are ignored by the hardware.
- */
- skb_size = (skb_size + 7) & ~7;
-
refilled = 0;
while (refilled < budget && rxq->rx_desc_count < rxq->rx_ring_size) {
struct sk_buff *skb;
int unaligned;
int rx;
- skb = dev_alloc_skb(skb_size + dma_get_cache_alignment() - 1);
+ skb = __skb_dequeue(&mp->rx_recycle);
+ if (skb == NULL)
+ skb = dev_alloc_skb(mp->skb_size +
+ dma_get_cache_alignment() - 1);
+
if (skb == NULL) {
mp->work_rx_oom |= 1 << rxq->index;
goto oom;
rxq->rx_used_desc = 0;
rxq->rx_desc_area[rx].buf_ptr = dma_map_single(NULL, skb->data,
- skb_size, DMA_FROM_DEVICE);
- rxq->rx_desc_area[rx].buf_size = skb_size;
+ mp->skb_size, DMA_FROM_DEVICE);
+ rxq->rx_desc_area[rx].buf_size = mp->skb_size;
rxq->rx_skb[rx] = skb;
wmb();
rxq->rx_desc_area[rx].cmd_sts = BUFFER_OWNED_BY_DMA |
return (__force __be16)sum;
}
-static void txq_submit_skb(struct tx_queue *txq, struct sk_buff *skb)
+static int txq_submit_skb(struct tx_queue *txq, struct sk_buff *skb)
{
struct mv643xx_eth_private *mp = txq_to_mp(txq);
int nr_frags = skb_shinfo(skb)->nr_frags;
int tx_index;
struct tx_desc *desc;
u32 cmd_sts;
+ u16 l4i_chk;
int length;
cmd_sts = TX_FIRST_DESC | GEN_CRC | BUFFER_OWNED_BY_DMA;
-
- tx_index = txq_alloc_desc_index(txq);
- desc = &txq->tx_desc_area[tx_index];
-
- if (nr_frags) {
- txq_submit_frag_skb(txq, skb);
- length = skb_headlen(skb);
- } else {
- cmd_sts |= ZERO_PADDING | TX_LAST_DESC | TX_ENABLE_INTERRUPT;
- length = skb->len;
- }
-
- desc->byte_cnt = length;
- desc->buf_ptr = dma_map_single(NULL, skb->data, length, DMA_TO_DEVICE);
+ l4i_chk = 0;
if (skb->ip_summed == CHECKSUM_PARTIAL) {
- int mac_hdr_len;
+ int tag_bytes;
BUG_ON(skb->protocol != htons(ETH_P_IP) &&
skb->protocol != htons(ETH_P_8021Q));
- cmd_sts |= GEN_TCP_UDP_CHECKSUM |
- GEN_IP_V4_CHECKSUM |
- ip_hdr(skb)->ihl << TX_IHL_SHIFT;
+ tag_bytes = (void *)ip_hdr(skb) - (void *)skb->data - ETH_HLEN;
+ if (unlikely(tag_bytes & ~12)) {
+ if (skb_checksum_help(skb) == 0)
+ goto no_csum;
+ kfree_skb(skb);
+ return 1;
+ }
- mac_hdr_len = (void *)ip_hdr(skb) - (void *)skb->data;
- switch (mac_hdr_len - ETH_HLEN) {
- case 0:
- break;
- case 4:
+ if (tag_bytes & 4)
cmd_sts |= MAC_HDR_EXTRA_4_BYTES;
- break;
- case 8:
+ if (tag_bytes & 8)
cmd_sts |= MAC_HDR_EXTRA_8_BYTES;
- break;
- case 12:
- cmd_sts |= MAC_HDR_EXTRA_4_BYTES;
- cmd_sts |= MAC_HDR_EXTRA_8_BYTES;
- break;
- default:
- if (net_ratelimit())
- dev_printk(KERN_ERR, &txq_to_mp(txq)->dev->dev,
- "mac header length is %d?!\n", mac_hdr_len);
- break;
- }
+
+ cmd_sts |= GEN_TCP_UDP_CHECKSUM |
+ GEN_IP_V4_CHECKSUM |
+ ip_hdr(skb)->ihl << TX_IHL_SHIFT;
switch (ip_hdr(skb)->protocol) {
case IPPROTO_UDP:
cmd_sts |= UDP_FRAME;
- desc->l4i_chk = ntohs(sum16_as_be(udp_hdr(skb)->check));
+ l4i_chk = ntohs(sum16_as_be(udp_hdr(skb)->check));
break;
case IPPROTO_TCP:
- desc->l4i_chk = ntohs(sum16_as_be(tcp_hdr(skb)->check));
+ l4i_chk = ntohs(sum16_as_be(tcp_hdr(skb)->check));
break;
default:
BUG();
}
} else {
+no_csum:
/* Errata BTS #50, IHL must be 5 if no HW checksum */
cmd_sts |= 5 << TX_IHL_SHIFT;
- desc->l4i_chk = 0;
}
+ tx_index = txq_alloc_desc_index(txq);
+ desc = &txq->tx_desc_area[tx_index];
+
+ if (nr_frags) {
+ txq_submit_frag_skb(txq, skb);
+ length = skb_headlen(skb);
+ } else {
+ cmd_sts |= ZERO_PADDING | TX_LAST_DESC | TX_ENABLE_INTERRUPT;
+ length = skb->len;
+ }
+
+ desc->l4i_chk = l4i_chk;
+ desc->byte_cnt = length;
+ desc->buf_ptr = dma_map_single(NULL, skb->data, length, DMA_TO_DEVICE);
+
__skb_queue_tail(&txq->tx_skb, skb);
/* ensure all other descriptors are written before first cmd_sts */
txq_enable(txq);
txq->tx_desc_count += nr_frags + 1;
+
+ return 0;
}
static int mv643xx_eth_xmit(struct sk_buff *skb, struct net_device *dev)
int queue;
struct tx_queue *txq;
struct netdev_queue *nq;
- int entries_left;
queue = skb_get_queue_mapping(skb);
txq = mp->txq + queue;
return NETDEV_TX_OK;
}
- txq_submit_skb(txq, skb);
- txq->tx_bytes += skb->len;
- txq->tx_packets++;
- dev->trans_start = jiffies;
+ if (!txq_submit_skb(txq, skb)) {
+ int entries_left;
- entries_left = txq->tx_ring_size - txq->tx_desc_count;
- if (entries_left < MAX_SKB_FRAGS + 1)
- netif_tx_stop_queue(nq);
+ txq->tx_bytes += skb->len;
+ txq->tx_packets++;
+ dev->trans_start = jiffies;
+
+ entries_left = txq->tx_ring_size - txq->tx_desc_count;
+ if (entries_left < MAX_SKB_FRAGS + 1)
+ netif_tx_stop_queue(nq);
+ }
return NETDEV_TX_OK;
}
desc->byte_cnt, DMA_TO_DEVICE);
}
- if (skb)
- dev_kfree_skb(skb);
+ if (skb != NULL) {
+ if (skb_queue_len(&mp->rx_recycle) <
+ mp->default_rx_ring_size &&
+ skb_recycle_check(skb, mp->skb_size))
+ __skb_queue_head(&mp->rx_recycle, skb);
+ else
+ dev_kfree_skb(skb);
+ }
}
__netif_tx_unlock(nq);
if (bucket_size > 65535)
bucket_size = 65535;
- if (mp->shared->tx_bw_control_moved) {
- wrl(mp, TX_BW_RATE_MOVED(mp->port_num), token_rate);
- wrl(mp, TX_BW_MTU_MOVED(mp->port_num), mtu);
- wrl(mp, TX_BW_BURST_MOVED(mp->port_num), bucket_size);
- } else {
+ switch (mp->shared->tx_bw_control) {
+ case TX_BW_CONTROL_OLD_LAYOUT:
wrl(mp, TX_BW_RATE(mp->port_num), token_rate);
wrl(mp, TX_BW_MTU(mp->port_num), mtu);
wrl(mp, TX_BW_BURST(mp->port_num), bucket_size);
+ break;
+ case TX_BW_CONTROL_NEW_LAYOUT:
+ wrl(mp, TX_BW_RATE_MOVED(mp->port_num), token_rate);
+ wrl(mp, TX_BW_MTU_MOVED(mp->port_num), mtu);
+ wrl(mp, TX_BW_BURST_MOVED(mp->port_num), bucket_size);
+ break;
}
}
/*
* Turn on fixed priority mode.
*/
- if (mp->shared->tx_bw_control_moved)
- off = TXQ_FIX_PRIO_CONF_MOVED(mp->port_num);
- else
+ off = 0;
+ switch (mp->shared->tx_bw_control) {
+ case TX_BW_CONTROL_OLD_LAYOUT:
off = TXQ_FIX_PRIO_CONF(mp->port_num);
+ break;
+ case TX_BW_CONTROL_NEW_LAYOUT:
+ off = TXQ_FIX_PRIO_CONF_MOVED(mp->port_num);
+ break;
+ }
- val = rdl(mp, off);
- val |= 1 << txq->index;
- wrl(mp, off, val);
+ if (off) {
+ val = rdl(mp, off);
+ val |= 1 << txq->index;
+ wrl(mp, off, val);
+ }
}
static void txq_set_wrr(struct tx_queue *txq, int weight)
/*
* Turn off fixed priority mode.
*/
- if (mp->shared->tx_bw_control_moved)
- off = TXQ_FIX_PRIO_CONF_MOVED(mp->port_num);
- else
+ off = 0;
+ switch (mp->shared->tx_bw_control) {
+ case TX_BW_CONTROL_OLD_LAYOUT:
off = TXQ_FIX_PRIO_CONF(mp->port_num);
+ break;
+ case TX_BW_CONTROL_NEW_LAYOUT:
+ off = TXQ_FIX_PRIO_CONF_MOVED(mp->port_num);
+ break;
+ }
- val = rdl(mp, off);
- val &= ~(1 << txq->index);
- wrl(mp, off, val);
+ if (off) {
+ val = rdl(mp, off);
+ val &= ~(1 << txq->index);
+ wrl(mp, off, val);
- /*
- * Configure WRR weight for this queue.
- */
- off = TXQ_BW_WRR_CONF(mp->port_num, txq->index);
+ /*
+ * Configure WRR weight for this queue.
+ */
+ off = TXQ_BW_WRR_CONF(mp->port_num, txq->index);
- val = rdl(mp, off);
- val = (val & ~0xff) | (weight & 0xff);
- wrl(mp, off, val);
+ val = rdl(mp, off);
+ val = (val & ~0xff) | (weight & 0xff);
+ wrl(mp, off, val);
+ }
}
return 0;
}
-static int smi_reg_read(struct mv643xx_eth_private *mp,
- unsigned int addr, unsigned int reg)
+static int smi_bus_read(struct mii_bus *bus, int addr, int reg)
{
- struct mv643xx_eth_shared_private *msp = mp->shared->smi;
+ struct mv643xx_eth_shared_private *msp = bus->priv;
void __iomem *smi_reg = msp->base + SMI_REG;
int ret;
- mutex_lock(&msp->phy_lock);
-
if (smi_wait_ready(msp)) {
- printk("%s: SMI bus busy timeout\n", mp->dev->name);
- ret = -ETIMEDOUT;
- goto out;
+ printk("mv643xx_eth: SMI bus busy timeout\n");
+ return -ETIMEDOUT;
}
writel(SMI_OPCODE_READ | (reg << 21) | (addr << 16), smi_reg);
if (smi_wait_ready(msp)) {
- printk("%s: SMI bus busy timeout\n", mp->dev->name);
- ret = -ETIMEDOUT;
- goto out;
+ printk("mv643xx_eth: SMI bus busy timeout\n");
+ return -ETIMEDOUT;
}
ret = readl(smi_reg);
if (!(ret & SMI_READ_VALID)) {
- printk("%s: SMI bus read not valid\n", mp->dev->name);
- ret = -ENODEV;
- goto out;
+ printk("mv643xx_eth: SMI bus read not valid\n");
+ return -ENODEV;
}
- ret &= 0xffff;
-
-out:
- mutex_unlock(&msp->phy_lock);
-
- return ret;
+ return ret & 0xffff;
}
-static int smi_reg_write(struct mv643xx_eth_private *mp, unsigned int addr,
- unsigned int reg, unsigned int value)
+static int smi_bus_write(struct mii_bus *bus, int addr, int reg, u16 val)
{
- struct mv643xx_eth_shared_private *msp = mp->shared->smi;
+ struct mv643xx_eth_shared_private *msp = bus->priv;
void __iomem *smi_reg = msp->base + SMI_REG;
- mutex_lock(&msp->phy_lock);
-
if (smi_wait_ready(msp)) {
- printk("%s: SMI bus busy timeout\n", mp->dev->name);
- mutex_unlock(&msp->phy_lock);
+ printk("mv643xx_eth: SMI bus busy timeout\n");
return -ETIMEDOUT;
}
writel(SMI_OPCODE_WRITE | (reg << 21) |
- (addr << 16) | (value & 0xffff), smi_reg);
+ (addr << 16) | (val & 0xffff), smi_reg);
- mutex_unlock(&msp->phy_lock);
+ if (smi_wait_ready(msp)) {
+ printk("mv643xx_eth: SMI bus busy timeout\n");
+ return -ETIMEDOUT;
+ }
return 0;
}
{
struct mib_counters *p = &mp->mib_counters;
+ spin_lock(&mp->mib_counters_lock);
p->good_octets_received += mib_read(mp, 0x00);
p->good_octets_received += (u64)mib_read(mp, 0x04) << 32;
p->bad_octets_received += mib_read(mp, 0x08);
p->bad_crc_event += mib_read(mp, 0x74);
p->collision += mib_read(mp, 0x78);
p->late_collision += mib_read(mp, 0x7c);
+ spin_unlock(&mp->mib_counters_lock);
+
+ mod_timer(&mp->mib_counters_timer, jiffies + 30 * HZ);
+}
+
+static void mib_counters_timer_wrapper(unsigned long _mp)
+{
+ struct mv643xx_eth_private *mp = (void *)_mp;
+
+ mib_counters_update(mp);
}
struct mv643xx_eth_private *mp = netdev_priv(dev);
int err;
- err = mii_ethtool_gset(&mp->mii, cmd);
+ err = phy_read_status(mp->phy);
+ if (err == 0)
+ err = phy_ethtool_gset(mp->phy, cmd);
/*
* The MAC does not support 1000baseT_Half.
*/
cmd->advertising &= ~ADVERTISED_1000baseT_Half;
- return mii_ethtool_sset(&mp->mii, cmd);
+ return phy_ethtool_sset(mp->phy, cmd);
}
static int mv643xx_eth_set_settings_phyless(struct net_device *dev, struct ethtool_cmd *cmd)
{
struct mv643xx_eth_private *mp = netdev_priv(dev);
- return mii_nway_restart(&mp->mii);
+ return genphy_restart_aneg(mp->phy);
}
static int mv643xx_eth_nway_reset_phyless(struct net_device *dev)
static u32 mv643xx_eth_get_link(struct net_device *dev)
{
- struct mv643xx_eth_private *mp = netdev_priv(dev);
-
- return mii_link_ok(&mp->mii);
-}
-
-static u32 mv643xx_eth_get_link_phyless(struct net_device *dev)
-{
- return 1;
+ return !!netif_carrier_ok(dev);
}
static void mv643xx_eth_get_strings(struct net_device *dev,
.set_settings = mv643xx_eth_set_settings_phyless,
.get_drvinfo = mv643xx_eth_get_drvinfo,
.nway_reset = mv643xx_eth_nway_reset_phyless,
- .get_link = mv643xx_eth_get_link_phyless,
+ .get_link = mv643xx_eth_get_link,
.set_sg = ethtool_op_set_sg,
.get_strings = mv643xx_eth_get_strings,
.get_ethtool_stats = mv643xx_eth_get_ethtool_stats,
{
int data;
- data = smi_reg_read(mp, mp->phy_addr, MII_BMCR);
+ data = phy_read(mp->phy, MII_BMCR);
if (data < 0)
return;
data |= BMCR_RESET;
- if (smi_reg_write(mp, mp->phy_addr, MII_BMCR, data) < 0)
+ if (phy_write(mp->phy, MII_BMCR, data) < 0)
return;
do {
- data = smi_reg_read(mp, mp->phy_addr, MII_BMCR);
+ data = phy_read(mp->phy, MII_BMCR);
} while (data >= 0 && data & BMCR_RESET);
}
/*
* Perform PHY reset, if there is a PHY.
*/
- if (mp->phy_addr != -1) {
+ if (mp->phy != NULL) {
struct ethtool_cmd cmd;
mv643xx_eth_get_settings(mp->dev, &cmd);
wrl(mp, PORT_SERIAL_CONTROL(mp->port_num), pscr);
pscr |= DO_NOT_FORCE_LINK_FAIL;
- if (mp->phy_addr == -1)
+ if (mp->phy == NULL)
pscr |= FORCE_LINK_PASS;
wrl(mp, PORT_SERIAL_CONTROL(mp->port_num), pscr);
/*
* Receive all unmatched unicast, TCP, UDP, BPDU and broadcast
- * frames to RX queue #0.
+ * frames to RX queue #0, and include the pseudo-header when
+ * calculating receive checksums.
*/
- wrl(mp, PORT_CONFIG(mp->port_num), 0x00000000);
+ wrl(mp, PORT_CONFIG(mp->port_num), 0x02000000);
/*
* Treat BPDUs as normal multicasts, and disable partition mode.
wrl(mp, TX_FIFO_URGENT_THRESHOLD(mp->port_num), (coal & 0x3fff) << 4);
}
+static void mv643xx_eth_recalc_skb_size(struct mv643xx_eth_private *mp)
+{
+ int skb_size;
+
+ /*
+ * Reserve 2+14 bytes for an ethernet header (the hardware
+ * automatically prepends 2 bytes of dummy data to each
+ * received packet), 16 bytes for up to four VLAN tags, and
+ * 4 bytes for the trailing FCS -- 36 bytes total.
+ */
+ skb_size = mp->dev->mtu + 36;
+
+ /*
+ * Make sure that the skb size is a multiple of 8 bytes, as
+ * the lower three bits of the receive descriptor's buffer
+ * size field are ignored by the hardware.
+ */
+ mp->skb_size = (skb_size + 7) & ~7;
+}
+
static int mv643xx_eth_open(struct net_device *dev)
{
struct mv643xx_eth_private *mp = netdev_priv(dev);
init_mac_tables(mp);
+ mv643xx_eth_recalc_skb_size(mp);
+
napi_enable(&mp->napi);
+ skb_queue_head_init(&mp->rx_recycle);
+
for (i = 0; i < mp->rxq_count; i++) {
err = rxq_init(mp, i);
if (err) {
wrl(mp, INT_MASK(mp->port_num), 0x00000000);
rdl(mp, INT_MASK(mp->port_num));
+ del_timer_sync(&mp->mib_counters_timer);
+
napi_disable(&mp->napi);
del_timer_sync(&mp->rx_oom);
mv643xx_eth_get_stats(dev);
mib_counters_update(mp);
+ skb_queue_purge(&mp->rx_recycle);
+
for (i = 0; i < mp->rxq_count; i++)
rxq_deinit(mp->rxq + i);
for (i = 0; i < mp->txq_count; i++)
{
struct mv643xx_eth_private *mp = netdev_priv(dev);
- if (mp->phy_addr != -1)
- return generic_mii_ioctl(&mp->mii, if_mii(ifr), cmd, NULL);
+ if (mp->phy != NULL)
+ return phy_mii_ioctl(mp->phy, if_mii(ifr), cmd);
return -EOPNOTSUPP;
}
return -EINVAL;
dev->mtu = new_mtu;
+ mv643xx_eth_recalc_skb_size(mp);
tx_set_rate(mp, 1000000000, 16777216);
if (!netif_running(dev))
}
#endif
-static int mv643xx_eth_mdio_read(struct net_device *dev, int addr, int reg)
-{
- struct mv643xx_eth_private *mp = netdev_priv(dev);
- return smi_reg_read(mp, addr, reg);
-}
-
-static void mv643xx_eth_mdio_write(struct net_device *dev, int addr, int reg, int val)
-{
- struct mv643xx_eth_private *mp = netdev_priv(dev);
- smi_reg_write(mp, addr, reg, val);
-}
-
/* platform glue ************************************************************/
static void
msp->extended_rx_coal_limit = 0;
/*
- * Check whether the TX rate control registers are in the
- * old or the new place.
+ * Check whether the MAC supports TX rate control, and if
+ * yes, whether its associated registers are in the old or
+ * the new place.
*/
writel(1, msp->base + TX_BW_MTU_MOVED(0));
- if (readl(msp->base + TX_BW_MTU_MOVED(0)) & 1)
- msp->tx_bw_control_moved = 1;
- else
- msp->tx_bw_control_moved = 0;
+ if (readl(msp->base + TX_BW_MTU_MOVED(0)) & 1) {
+ msp->tx_bw_control = TX_BW_CONTROL_NEW_LAYOUT;
+ } else {
+ writel(7, msp->base + TX_BW_RATE(0));
+ if (readl(msp->base + TX_BW_RATE(0)) & 7)
+ msp->tx_bw_control = TX_BW_CONTROL_OLD_LAYOUT;
+ else
+ msp->tx_bw_control = TX_BW_CONTROL_ABSENT;
+ }
}
static int mv643xx_eth_shared_probe(struct platform_device *pdev)
if (msp->base == NULL)
goto out_free;
- msp->smi = msp;
- if (pd != NULL && pd->shared_smi != NULL)
+ /*
+ * Set up and register SMI bus.
+ */
+ if (pd == NULL || pd->shared_smi == NULL) {
+ msp->smi_bus = mdiobus_alloc();
+ if (msp->smi_bus == NULL)
+ goto out_unmap;
+
+ msp->smi_bus->priv = msp;
+ msp->smi_bus->name = "mv643xx_eth smi";
+ msp->smi_bus->read = smi_bus_read;
+ msp->smi_bus->write = smi_bus_write,
+ snprintf(msp->smi_bus->id, MII_BUS_ID_SIZE, "%d", pdev->id);
+ msp->smi_bus->parent = &pdev->dev;
+ msp->smi_bus->phy_mask = 0xffffffff;
+ if (mdiobus_register(msp->smi_bus) < 0)
+ goto out_free_mii_bus;
+ msp->smi = msp;
+ } else {
msp->smi = platform_get_drvdata(pd->shared_smi);
-
- mutex_init(&msp->phy_lock);
+ }
msp->err_interrupt = NO_IRQ;
init_waitqueue_head(&msp->smi_busy_wait);
return 0;
+out_free_mii_bus:
+ mdiobus_free(msp->smi_bus);
+out_unmap:
+ iounmap(msp->base);
out_free:
kfree(msp);
out:
static int mv643xx_eth_shared_remove(struct platform_device *pdev)
{
struct mv643xx_eth_shared_private *msp = platform_get_drvdata(pdev);
+ struct mv643xx_eth_shared_platform_data *pd = pdev->dev.platform_data;
+ if (pd == NULL || pd->shared_smi == NULL) {
+ mdiobus_free(msp->smi_bus);
+ mdiobus_unregister(msp->smi_bus);
+ }
if (msp->err_interrupt != NO_IRQ)
free_irq(msp->err_interrupt, msp);
iounmap(msp->base);
else
uc_addr_get(mp, dev->dev_addr);
- if (pd->phy_addr == MV643XX_ETH_PHY_NONE) {
- mp->phy_addr = -1;
- } else {
- if (pd->phy_addr != MV643XX_ETH_PHY_ADDR_DEFAULT) {
- mp->phy_addr = pd->phy_addr & 0x3f;
- phy_addr_set(mp, mp->phy_addr);
- } else {
- mp->phy_addr = phy_addr_get(mp);
- }
- }
-
mp->default_rx_ring_size = DEFAULT_RX_QUEUE_SIZE;
if (pd->rx_queue_size)
mp->default_rx_ring_size = pd->rx_queue_size;
mp->txq_count = pd->tx_queue_count ? : 1;
}
-static int phy_detect(struct mv643xx_eth_private *mp)
+static struct phy_device *phy_scan(struct mv643xx_eth_private *mp,
+ int phy_addr)
{
- int data;
- int data2;
-
- data = smi_reg_read(mp, mp->phy_addr, MII_BMCR);
- if (data < 0)
- return -ENODEV;
+ struct mii_bus *bus = mp->shared->smi->smi_bus;
+ struct phy_device *phydev;
+ int start;
+ int num;
+ int i;
- if (smi_reg_write(mp, mp->phy_addr, MII_BMCR, data ^ BMCR_ANENABLE) < 0)
- return -ENODEV;
+ if (phy_addr == MV643XX_ETH_PHY_ADDR_DEFAULT) {
+ start = phy_addr_get(mp) & 0x1f;
+ num = 32;
+ } else {
+ start = phy_addr & 0x1f;
+ num = 1;
+ }
- data2 = smi_reg_read(mp, mp->phy_addr, MII_BMCR);
- if (data2 < 0)
- return -ENODEV;
+ phydev = NULL;
+ for (i = 0; i < num; i++) {
+ int addr = (start + i) & 0x1f;
- if (((data ^ data2) & BMCR_ANENABLE) == 0)
- return -ENODEV;
+ if (bus->phy_map[addr] == NULL)
+ mdiobus_scan(bus, addr);
- smi_reg_write(mp, mp->phy_addr, MII_BMCR, data);
+ if (phydev == NULL) {
+ phydev = bus->phy_map[addr];
+ if (phydev != NULL)
+ phy_addr_set(mp, addr);
+ }
+ }
- return 0;
+ return phydev;
}
-static int phy_init(struct mv643xx_eth_private *mp,
- struct mv643xx_eth_platform_data *pd)
+static void phy_init(struct mv643xx_eth_private *mp, int speed, int duplex)
{
- struct ethtool_cmd cmd;
- int err;
+ struct phy_device *phy = mp->phy;
- err = phy_detect(mp);
- if (err) {
- dev_printk(KERN_INFO, &mp->dev->dev,
- "no PHY detected at addr %d\n", mp->phy_addr);
- return err;
- }
phy_reset(mp);
- mp->mii.phy_id = mp->phy_addr;
- mp->mii.phy_id_mask = 0x3f;
- mp->mii.reg_num_mask = 0x1f;
- mp->mii.dev = mp->dev;
- mp->mii.mdio_read = mv643xx_eth_mdio_read;
- mp->mii.mdio_write = mv643xx_eth_mdio_write;
-
- mp->mii.supports_gmii = mii_check_gmii_support(&mp->mii);
-
- memset(&cmd, 0, sizeof(cmd));
-
- cmd.port = PORT_MII;
- cmd.transceiver = XCVR_INTERNAL;
- cmd.phy_address = mp->phy_addr;
- if (pd->speed == 0) {
- cmd.autoneg = AUTONEG_ENABLE;
- cmd.speed = SPEED_100;
- cmd.advertising = ADVERTISED_10baseT_Half |
- ADVERTISED_10baseT_Full |
- ADVERTISED_100baseT_Half |
- ADVERTISED_100baseT_Full;
- if (mp->mii.supports_gmii)
- cmd.advertising |= ADVERTISED_1000baseT_Full;
+ phy_attach(mp->dev, phy->dev.bus_id, 0, PHY_INTERFACE_MODE_GMII);
+
+ if (speed == 0) {
+ phy->autoneg = AUTONEG_ENABLE;
+ phy->speed = 0;
+ phy->duplex = 0;
+ phy->advertising = phy->supported | ADVERTISED_Autoneg;
} else {
- cmd.autoneg = AUTONEG_DISABLE;
- cmd.speed = pd->speed;
- cmd.duplex = pd->duplex;
+ phy->autoneg = AUTONEG_DISABLE;
+ phy->advertising = 0;
+ phy->speed = speed;
+ phy->duplex = duplex;
}
-
- mv643xx_eth_set_settings(mp->dev, &cmd);
-
- return 0;
+ phy_start_aneg(phy);
}
static void init_pscr(struct mv643xx_eth_private *mp, int speed, int duplex)
}
pscr = MAX_RX_PACKET_9700BYTE | SERIAL_PORT_CONTROL_RESERVED;
- if (mp->phy_addr == -1) {
+ if (mp->phy == NULL) {
pscr |= DISABLE_AUTO_NEG_SPEED_GMII;
if (speed == SPEED_1000)
pscr |= SET_GMII_SPEED_TO_1000;
set_params(mp, pd);
dev->real_num_tx_queues = mp->txq_count;
- mib_counters_clear(mp);
- INIT_WORK(&mp->tx_timeout_task, tx_timeout_task);
-
- if (mp->phy_addr != -1) {
- err = phy_init(mp, pd);
- if (err)
- goto out;
+ if (pd->phy_addr != MV643XX_ETH_PHY_NONE)
+ mp->phy = phy_scan(mp, pd->phy_addr);
+ if (mp->phy != NULL) {
+ phy_init(mp, pd->speed, pd->duplex);
SET_ETHTOOL_OPS(dev, &mv643xx_eth_ethtool_ops);
} else {
SET_ETHTOOL_OPS(dev, &mv643xx_eth_ethtool_ops_phyless);
}
+
init_pscr(mp, pd->speed, pd->duplex);
+
+ mib_counters_clear(mp);
+
+ init_timer(&mp->mib_counters_timer);
+ mp->mib_counters_timer.data = (unsigned long)mp;
+ mp->mib_counters_timer.function = mib_counters_timer_wrapper;
+ mp->mib_counters_timer.expires = jiffies + 30 * HZ;
+ add_timer(&mp->mib_counters_timer);
+
+ spin_lock_init(&mp->mib_counters_lock);
+
+ INIT_WORK(&mp->tx_timeout_task, tx_timeout_task);
+
netif_napi_add(dev, &mp->napi, mv643xx_eth_poll, 128);
init_timer(&mp->rx_oom);
struct mv643xx_eth_private *mp = platform_get_drvdata(pdev);
unregister_netdev(mp->dev);
+ if (mp->phy != NULL)
+ phy_detach(mp->phy);
flush_scheduled_work();
free_netdev(mp->dev);
projects / linux-2.6-omap-h63xx.git / blobdiff