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@ -55,7 +55,7 @@
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#include <asm/system.h>
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static char mv643xx_eth_driver_name[] = "mv643xx_eth";
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static char mv643xx_eth_driver_version[] = "1.1";
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static char mv643xx_eth_driver_version[] = "1.2";
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#define MV643XX_ETH_CHECKSUM_OFFLOAD_TX
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#define MV643XX_ETH_NAPI
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@ -90,12 +90,21 @@ static char mv643xx_eth_driver_version[] = "1.1";
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#define PORT_SERIAL_CONTROL(p) (0x043c + ((p) << 10))
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#define PORT_STATUS(p) (0x0444 + ((p) << 10))
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#define TX_FIFO_EMPTY 0x00000400
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#define TX_IN_PROGRESS 0x00000080
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#define PORT_SPEED_MASK 0x00000030
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#define PORT_SPEED_1000 0x00000010
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#define PORT_SPEED_100 0x00000020
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#define PORT_SPEED_10 0x00000000
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#define FLOW_CONTROL_ENABLED 0x00000008
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#define FULL_DUPLEX 0x00000004
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#define LINK_UP 0x00000002
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#define TXQ_COMMAND(p) (0x0448 + ((p) << 10))
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#define TXQ_FIX_PRIO_CONF(p) (0x044c + ((p) << 10))
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#define TX_BW_RATE(p) (0x0450 + ((p) << 10))
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#define TX_BW_MTU(p) (0x0458 + ((p) << 10))
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#define TX_BW_BURST(p) (0x045c + ((p) << 10))
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#define INT_CAUSE(p) (0x0460 + ((p) << 10))
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#define INT_TX_END_0 0x00080000
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#define INT_TX_END 0x07f80000
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#define INT_RX 0x0007fbfc
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#define INT_EXT 0x00000002
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@ -127,21 +136,21 @@ static char mv643xx_eth_driver_version[] = "1.1";
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/*
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* SDMA configuration register.
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*/
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#define RX_BURST_SIZE_4_64BIT (2 << 1)
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#define RX_BURST_SIZE_16_64BIT (4 << 1)
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#define BLM_RX_NO_SWAP (1 << 4)
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#define BLM_TX_NO_SWAP (1 << 5)
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#define TX_BURST_SIZE_4_64BIT (2 << 22)
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#define TX_BURST_SIZE_16_64BIT (4 << 22)
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#if defined(__BIG_ENDIAN)
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#define PORT_SDMA_CONFIG_DEFAULT_VALUE \
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RX_BURST_SIZE_4_64BIT | \
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TX_BURST_SIZE_4_64BIT
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RX_BURST_SIZE_16_64BIT | \
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TX_BURST_SIZE_16_64BIT
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#elif defined(__LITTLE_ENDIAN)
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#define PORT_SDMA_CONFIG_DEFAULT_VALUE \
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RX_BURST_SIZE_4_64BIT | \
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RX_BURST_SIZE_16_64BIT | \
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BLM_RX_NO_SWAP | \
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BLM_TX_NO_SWAP | \
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TX_BURST_SIZE_4_64BIT
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TX_BURST_SIZE_16_64BIT
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#else
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#error One of __BIG_ENDIAN or __LITTLE_ENDIAN must be defined
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#endif
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@ -153,9 +162,7 @@ static char mv643xx_eth_driver_version[] = "1.1";
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#define SET_MII_SPEED_TO_100 (1 << 24)
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#define SET_GMII_SPEED_TO_1000 (1 << 23)
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#define SET_FULL_DUPLEX_MODE (1 << 21)
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#define MAX_RX_PACKET_1522BYTE (1 << 17)
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#define MAX_RX_PACKET_9700BYTE (5 << 17)
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#define MAX_RX_PACKET_MASK (7 << 17)
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#define DISABLE_AUTO_NEG_SPEED_GMII (1 << 13)
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#define DO_NOT_FORCE_LINK_FAIL (1 << 10)
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#define SERIAL_PORT_CONTROL_RESERVED (1 << 9)
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@ -228,6 +235,8 @@ struct tx_desc {
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#define GEN_IP_V4_CHECKSUM 0x00040000
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#define GEN_TCP_UDP_CHECKSUM 0x00020000
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#define UDP_FRAME 0x00010000
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#define MAC_HDR_EXTRA_4_BYTES 0x00008000
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#define MAC_HDR_EXTRA_8_BYTES 0x00000200
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#define TX_IHL_SHIFT 11
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@ -404,6 +413,17 @@ static void rxq_disable(struct rx_queue *rxq)
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udelay(10);
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}
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static void txq_reset_hw_ptr(struct tx_queue *txq)
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{
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struct mv643xx_eth_private *mp = txq_to_mp(txq);
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int off = TXQ_CURRENT_DESC_PTR(mp->port_num, txq->index);
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u32 addr;
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addr = (u32)txq->tx_desc_dma;
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addr += txq->tx_curr_desc * sizeof(struct tx_desc);
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wrl(mp, off, addr);
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}
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static void txq_enable(struct tx_queue *txq)
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{
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struct mv643xx_eth_private *mp = txq_to_mp(txq);
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@ -614,6 +634,12 @@ static int mv643xx_eth_poll(struct napi_struct *napi, int budget)
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for (i = 0; i < 8; i++)
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if (mp->txq_mask & (1 << i))
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txq_reclaim(mp->txq + i, 0);
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if (netif_carrier_ok(mp->dev)) {
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spin_lock(&mp->lock);
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__txq_maybe_wake(mp->txq + mp->txq_primary);
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spin_unlock(&mp->lock);
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}
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}
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#endif
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@ -706,6 +732,7 @@ static inline __be16 sum16_as_be(__sum16 sum)
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static void txq_submit_skb(struct tx_queue *txq, struct sk_buff *skb)
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{
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struct mv643xx_eth_private *mp = txq_to_mp(txq);
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int nr_frags = skb_shinfo(skb)->nr_frags;
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int tx_index;
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struct tx_desc *desc;
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@ -732,12 +759,36 @@ static void txq_submit_skb(struct tx_queue *txq, struct sk_buff *skb)
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desc->buf_ptr = dma_map_single(NULL, skb->data, length, DMA_TO_DEVICE);
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if (skb->ip_summed == CHECKSUM_PARTIAL) {
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BUG_ON(skb->protocol != htons(ETH_P_IP));
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int mac_hdr_len;
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BUG_ON(skb->protocol != htons(ETH_P_IP) &&
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skb->protocol != htons(ETH_P_8021Q));
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cmd_sts |= GEN_TCP_UDP_CHECKSUM |
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GEN_IP_V4_CHECKSUM |
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ip_hdr(skb)->ihl << TX_IHL_SHIFT;
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mac_hdr_len = (void *)ip_hdr(skb) - (void *)skb->data;
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switch (mac_hdr_len - ETH_HLEN) {
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case 0:
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break;
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case 4:
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cmd_sts |= MAC_HDR_EXTRA_4_BYTES;
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break;
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case 8:
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cmd_sts |= MAC_HDR_EXTRA_8_BYTES;
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break;
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case 12:
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cmd_sts |= MAC_HDR_EXTRA_4_BYTES;
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cmd_sts |= MAC_HDR_EXTRA_8_BYTES;
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break;
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default:
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if (net_ratelimit())
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dev_printk(KERN_ERR, &txq_to_mp(txq)->dev->dev,
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"mac header length is %d?!\n", mac_hdr_len);
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break;
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}
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switch (ip_hdr(skb)->protocol) {
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case IPPROTO_UDP:
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cmd_sts |= UDP_FRAME;
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@ -759,6 +810,10 @@ static void txq_submit_skb(struct tx_queue *txq, struct sk_buff *skb)
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wmb();
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desc->cmd_sts = cmd_sts;
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/* clear TX_END interrupt status */
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wrl(mp, INT_CAUSE(mp->port_num), ~(INT_TX_END_0 << txq->index));
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rdl(mp, INT_CAUSE(mp->port_num));
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/* ensure all descriptors are written before poking hardware */
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wmb();
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txq_enable(txq);
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@ -1112,10 +1167,28 @@ static int mv643xx_eth_get_settings(struct net_device *dev, struct ethtool_cmd *
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static int mv643xx_eth_get_settings_phyless(struct net_device *dev, struct ethtool_cmd *cmd)
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{
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struct mv643xx_eth_private *mp = netdev_priv(dev);
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u32 port_status;
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port_status = rdl(mp, PORT_STATUS(mp->port_num));
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cmd->supported = SUPPORTED_MII;
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cmd->advertising = ADVERTISED_MII;
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cmd->speed = SPEED_1000;
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cmd->duplex = DUPLEX_FULL;
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switch (port_status & PORT_SPEED_MASK) {
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case PORT_SPEED_10:
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cmd->speed = SPEED_10;
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break;
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case PORT_SPEED_100:
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cmd->speed = SPEED_100;
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break;
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case PORT_SPEED_1000:
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cmd->speed = SPEED_1000;
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break;
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default:
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cmd->speed = -1;
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break;
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}
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cmd->duplex = (port_status & FULL_DUPLEX) ? DUPLEX_FULL : DUPLEX_HALF;
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cmd->port = PORT_MII;
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cmd->phy_address = 0;
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cmd->transceiver = XCVR_INTERNAL;
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@ -1539,8 +1612,11 @@ static int txq_init(struct mv643xx_eth_private *mp, int index)
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tx_desc = (struct tx_desc *)txq->tx_desc_area;
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for (i = 0; i < txq->tx_ring_size; i++) {
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struct tx_desc *txd = tx_desc + i;
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int nexti = (i + 1) % txq->tx_ring_size;
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tx_desc[i].next_desc_ptr = txq->tx_desc_dma +
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txd->cmd_sts = 0;
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txd->next_desc_ptr = txq->tx_desc_dma +
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nexti * sizeof(struct tx_desc);
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}
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@ -1577,8 +1653,11 @@ static void txq_reclaim(struct tx_queue *txq, int force)
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desc = &txq->tx_desc_area[tx_index];
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cmd_sts = desc->cmd_sts;
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if (!force && (cmd_sts & BUFFER_OWNED_BY_DMA))
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break;
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if (cmd_sts & BUFFER_OWNED_BY_DMA) {
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if (!force)
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break;
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desc->cmd_sts = cmd_sts & ~BUFFER_OWNED_BY_DMA;
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}
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txq->tx_used_desc = (tx_index + 1) % txq->tx_ring_size;
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txq->tx_desc_count--;
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@ -1632,49 +1711,61 @@ static void txq_deinit(struct tx_queue *txq)
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/* netdev ops and related ***************************************************/
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static void update_pscr(struct mv643xx_eth_private *mp, int speed, int duplex)
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static void handle_link_event(struct mv643xx_eth_private *mp)
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{
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u32 pscr_o;
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u32 pscr_n;
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struct net_device *dev = mp->dev;
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u32 port_status;
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int speed;
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int duplex;
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int fc;
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pscr_o = rdl(mp, PORT_SERIAL_CONTROL(mp->port_num));
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/* clear speed, duplex and rx buffer size fields */
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pscr_n = pscr_o & ~(SET_MII_SPEED_TO_100 |
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SET_GMII_SPEED_TO_1000 |
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SET_FULL_DUPLEX_MODE |
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MAX_RX_PACKET_MASK);
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if (speed == SPEED_1000) {
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pscr_n |= SET_GMII_SPEED_TO_1000 | MAX_RX_PACKET_9700BYTE;
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} else {
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if (speed == SPEED_100)
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pscr_n |= SET_MII_SPEED_TO_100;
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pscr_n |= MAX_RX_PACKET_1522BYTE;
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}
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if (duplex == DUPLEX_FULL)
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pscr_n |= SET_FULL_DUPLEX_MODE;
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if (pscr_n != pscr_o) {
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if ((pscr_o & SERIAL_PORT_ENABLE) == 0)
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wrl(mp, PORT_SERIAL_CONTROL(mp->port_num), pscr_n);
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else {
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port_status = rdl(mp, PORT_STATUS(mp->port_num));
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if (!(port_status & LINK_UP)) {
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if (netif_carrier_ok(dev)) {
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int i;
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for (i = 0; i < 8; i++)
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if (mp->txq_mask & (1 << i))
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txq_disable(mp->txq + i);
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printk(KERN_INFO "%s: link down\n", dev->name);
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pscr_o &= ~SERIAL_PORT_ENABLE;
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wrl(mp, PORT_SERIAL_CONTROL(mp->port_num), pscr_o);
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wrl(mp, PORT_SERIAL_CONTROL(mp->port_num), pscr_n);
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wrl(mp, PORT_SERIAL_CONTROL(mp->port_num), pscr_n);
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netif_carrier_off(dev);
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netif_stop_queue(dev);
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for (i = 0; i < 8; i++)
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if (mp->txq_mask & (1 << i))
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txq_enable(mp->txq + i);
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for (i = 0; i < 8; i++) {
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struct tx_queue *txq = mp->txq + i;
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if (mp->txq_mask & (1 << i)) {
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txq_reclaim(txq, 1);
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txq_reset_hw_ptr(txq);
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}
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}
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}
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return;
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}
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|
|
|
|
|
|
switch (port_status & PORT_SPEED_MASK) {
|
|
|
|
|
case PORT_SPEED_10:
|
|
|
|
|
speed = 10;
|
|
|
|
|
break;
|
|
|
|
|
case PORT_SPEED_100:
|
|
|
|
|
speed = 100;
|
|
|
|
|
break;
|
|
|
|
|
case PORT_SPEED_1000:
|
|
|
|
|
speed = 1000;
|
|
|
|
|
break;
|
|
|
|
|
default:
|
|
|
|
|
speed = -1;
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
duplex = (port_status & FULL_DUPLEX) ? 1 : 0;
|
|
|
|
|
fc = (port_status & FLOW_CONTROL_ENABLED) ? 1 : 0;
|
|
|
|
|
|
|
|
|
|
printk(KERN_INFO "%s: link up, %d Mb/s, %s duplex, "
|
|
|
|
|
"flow control %sabled\n", dev->name,
|
|
|
|
|
speed, duplex ? "full" : "half",
|
|
|
|
|
fc ? "en" : "dis");
|
|
|
|
|
|
|
|
|
|
if (!netif_carrier_ok(dev)) {
|
|
|
|
|
netif_carrier_on(dev);
|
|
|
|
|
netif_wake_queue(dev);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
@ -1684,7 +1775,6 @@ static irqreturn_t mv643xx_eth_irq(int irq, void *dev_id)
|
|
|
|
|
struct mv643xx_eth_private *mp = netdev_priv(dev);
|
|
|
|
|
u32 int_cause;
|
|
|
|
|
u32 int_cause_ext;
|
|
|
|
|
u32 txq_active;
|
|
|
|
|
|
|
|
|
|
int_cause = rdl(mp, INT_CAUSE(mp->port_num)) &
|
|
|
|
|
(INT_TX_END | INT_RX | INT_EXT);
|
|
|
|
@ -1698,30 +1788,8 @@ static irqreturn_t mv643xx_eth_irq(int irq, void *dev_id)
|
|
|
|
|
wrl(mp, INT_CAUSE_EXT(mp->port_num), ~int_cause_ext);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (int_cause_ext & (INT_EXT_PHY | INT_EXT_LINK)) {
|
|
|
|
|
if (mp->phy_addr == -1 || mii_link_ok(&mp->mii)) {
|
|
|
|
|
int i;
|
|
|
|
|
|
|
|
|
|
if (mp->phy_addr != -1) {
|
|
|
|
|
struct ethtool_cmd cmd;
|
|
|
|
|
|
|
|
|
|
mii_ethtool_gset(&mp->mii, &cmd);
|
|
|
|
|
update_pscr(mp, cmd.speed, cmd.duplex);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
for (i = 0; i < 8; i++)
|
|
|
|
|
if (mp->txq_mask & (1 << i))
|
|
|
|
|
txq_enable(mp->txq + i);
|
|
|
|
|
|
|
|
|
|
if (!netif_carrier_ok(dev)) {
|
|
|
|
|
netif_carrier_on(dev);
|
|
|
|
|
__txq_maybe_wake(mp->txq + mp->txq_primary);
|
|
|
|
|
}
|
|
|
|
|
} else if (netif_carrier_ok(dev)) {
|
|
|
|
|
netif_stop_queue(dev);
|
|
|
|
|
netif_carrier_off(dev);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
if (int_cause_ext & (INT_EXT_PHY | INT_EXT_LINK))
|
|
|
|
|
handle_link_event(mp);
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* RxBuffer or RxError set for any of the 8 queues?
|
|
|
|
@ -1743,8 +1811,6 @@ static irqreturn_t mv643xx_eth_irq(int irq, void *dev_id)
|
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
txq_active = rdl(mp, TXQ_COMMAND(mp->port_num));
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* TxBuffer or TxError set for any of the 8 queues?
|
|
|
|
|
*/
|
|
|
|
@ -1754,6 +1820,16 @@ static irqreturn_t mv643xx_eth_irq(int irq, void *dev_id)
|
|
|
|
|
for (i = 0; i < 8; i++)
|
|
|
|
|
if (mp->txq_mask & (1 << i))
|
|
|
|
|
txq_reclaim(mp->txq + i, 0);
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* Enough space again in the primary TX queue for a
|
|
|
|
|
* full packet?
|
|
|
|
|
*/
|
|
|
|
|
if (netif_carrier_ok(dev)) {
|
|
|
|
|
spin_lock(&mp->lock);
|
|
|
|
|
__txq_maybe_wake(mp->txq + mp->txq_primary);
|
|
|
|
|
spin_unlock(&mp->lock);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
@ -1763,19 +1839,25 @@ static irqreturn_t mv643xx_eth_irq(int irq, void *dev_id)
|
|
|
|
|
int i;
|
|
|
|
|
|
|
|
|
|
wrl(mp, INT_CAUSE(mp->port_num), ~(int_cause & INT_TX_END));
|
|
|
|
|
|
|
|
|
|
spin_lock(&mp->lock);
|
|
|
|
|
for (i = 0; i < 8; i++) {
|
|
|
|
|
struct tx_queue *txq = mp->txq + i;
|
|
|
|
|
if (txq->tx_desc_count && !((txq_active >> i) & 1))
|
|
|
|
|
u32 hw_desc_ptr;
|
|
|
|
|
u32 expected_ptr;
|
|
|
|
|
|
|
|
|
|
if ((int_cause & (INT_TX_END_0 << i)) == 0)
|
|
|
|
|
continue;
|
|
|
|
|
|
|
|
|
|
hw_desc_ptr =
|
|
|
|
|
rdl(mp, TXQ_CURRENT_DESC_PTR(mp->port_num, i));
|
|
|
|
|
expected_ptr = (u32)txq->tx_desc_dma +
|
|
|
|
|
txq->tx_curr_desc * sizeof(struct tx_desc);
|
|
|
|
|
|
|
|
|
|
if (hw_desc_ptr != expected_ptr)
|
|
|
|
|
txq_enable(txq);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* Enough space again in the primary TX queue for a full packet?
|
|
|
|
|
*/
|
|
|
|
|
if (int_cause_ext & INT_EXT_TX) {
|
|
|
|
|
struct tx_queue *txq = mp->txq + mp->txq_primary;
|
|
|
|
|
__txq_maybe_wake(txq);
|
|
|
|
|
spin_unlock(&mp->lock);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return IRQ_HANDLED;
|
|
|
|
@ -1785,14 +1867,14 @@ static void phy_reset(struct mv643xx_eth_private *mp)
|
|
|
|
|
{
|
|
|
|
|
unsigned int data;
|
|
|
|
|
|
|
|
|
|
smi_reg_read(mp, mp->phy_addr, 0, &data);
|
|
|
|
|
data |= 0x8000;
|
|
|
|
|
smi_reg_write(mp, mp->phy_addr, 0, data);
|
|
|
|
|
smi_reg_read(mp, mp->phy_addr, MII_BMCR, &data);
|
|
|
|
|
data |= BMCR_RESET;
|
|
|
|
|
smi_reg_write(mp, mp->phy_addr, MII_BMCR, data);
|
|
|
|
|
|
|
|
|
|
do {
|
|
|
|
|
udelay(1);
|
|
|
|
|
smi_reg_read(mp, mp->phy_addr, 0, &data);
|
|
|
|
|
} while (data & 0x8000);
|
|
|
|
|
smi_reg_read(mp, mp->phy_addr, MII_BMCR, &data);
|
|
|
|
|
} while (data & BMCR_RESET);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static void port_start(struct mv643xx_eth_private *mp)
|
|
|
|
@ -1800,23 +1882,6 @@ static void port_start(struct mv643xx_eth_private *mp)
|
|
|
|
|
u32 pscr;
|
|
|
|
|
int i;
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* Configure basic link parameters.
|
|
|
|
|
*/
|
|
|
|
|
pscr = rdl(mp, PORT_SERIAL_CONTROL(mp->port_num));
|
|
|
|
|
pscr &= ~(SERIAL_PORT_ENABLE | FORCE_LINK_PASS);
|
|
|
|
|
wrl(mp, PORT_SERIAL_CONTROL(mp->port_num), pscr);
|
|
|
|
|
pscr |= DISABLE_AUTO_NEG_FOR_FLOW_CTRL |
|
|
|
|
|
DISABLE_AUTO_NEG_SPEED_GMII |
|
|
|
|
|
DISABLE_AUTO_NEG_FOR_DUPLEX |
|
|
|
|
|
DO_NOT_FORCE_LINK_FAIL |
|
|
|
|
|
SERIAL_PORT_CONTROL_RESERVED;
|
|
|
|
|
wrl(mp, PORT_SERIAL_CONTROL(mp->port_num), pscr);
|
|
|
|
|
pscr |= SERIAL_PORT_ENABLE;
|
|
|
|
|
wrl(mp, PORT_SERIAL_CONTROL(mp->port_num), pscr);
|
|
|
|
|
|
|
|
|
|
wrl(mp, SDMA_CONFIG(mp->port_num), PORT_SDMA_CONFIG_DEFAULT_VALUE);
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* Perform PHY reset, if there is a PHY.
|
|
|
|
|
*/
|
|
|
|
@ -1828,22 +1893,32 @@ static void port_start(struct mv643xx_eth_private *mp)
|
|
|
|
|
mv643xx_eth_set_settings(mp->dev, &cmd);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* Configure basic link parameters.
|
|
|
|
|
*/
|
|
|
|
|
pscr = rdl(mp, PORT_SERIAL_CONTROL(mp->port_num));
|
|
|
|
|
|
|
|
|
|
pscr |= SERIAL_PORT_ENABLE;
|
|
|
|
|
wrl(mp, PORT_SERIAL_CONTROL(mp->port_num), pscr);
|
|
|
|
|
|
|
|
|
|
pscr |= DO_NOT_FORCE_LINK_FAIL;
|
|
|
|
|
if (mp->phy_addr == -1)
|
|
|
|
|
pscr |= FORCE_LINK_PASS;
|
|
|
|
|
wrl(mp, PORT_SERIAL_CONTROL(mp->port_num), pscr);
|
|
|
|
|
|
|
|
|
|
wrl(mp, SDMA_CONFIG(mp->port_num), PORT_SDMA_CONFIG_DEFAULT_VALUE);
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* Configure TX path and queues.
|
|
|
|
|
*/
|
|
|
|
|
tx_set_rate(mp, 1000000000, 16777216);
|
|
|
|
|
for (i = 0; i < 8; i++) {
|
|
|
|
|
struct tx_queue *txq = mp->txq + i;
|
|
|
|
|
int off = TXQ_CURRENT_DESC_PTR(mp->port_num, i);
|
|
|
|
|
u32 addr;
|
|
|
|
|
|
|
|
|
|
if ((mp->txq_mask & (1 << i)) == 0)
|
|
|
|
|
continue;
|
|
|
|
|
|
|
|
|
|
addr = (u32)txq->tx_desc_dma;
|
|
|
|
|
addr += txq->tx_curr_desc * sizeof(struct tx_desc);
|
|
|
|
|
wrl(mp, off, addr);
|
|
|
|
|
|
|
|
|
|
txq_reset_hw_ptr(txq);
|
|
|
|
|
txq_set_rate(txq, 1000000000, 16777216);
|
|
|
|
|
txq_set_fixed_prio_mode(txq);
|
|
|
|
|
}
|
|
|
|
@ -1965,6 +2040,9 @@ static int mv643xx_eth_open(struct net_device *dev)
|
|
|
|
|
napi_enable(&mp->napi);
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
netif_carrier_off(dev);
|
|
|
|
|
netif_stop_queue(dev);
|
|
|
|
|
|
|
|
|
|
port_start(mp);
|
|
|
|
|
|
|
|
|
|
set_rx_coal(mp, 0);
|
|
|
|
@ -1999,8 +2077,14 @@ static void port_reset(struct mv643xx_eth_private *mp)
|
|
|
|
|
if (mp->txq_mask & (1 << i))
|
|
|
|
|
txq_disable(mp->txq + i);
|
|
|
|
|
}
|
|
|
|
|
while (!(rdl(mp, PORT_STATUS(mp->port_num)) & TX_FIFO_EMPTY))
|
|
|
|
|
|
|
|
|
|
while (1) {
|
|
|
|
|
u32 ps = rdl(mp, PORT_STATUS(mp->port_num));
|
|
|
|
|
|
|
|
|
|
if ((ps & (TX_IN_PROGRESS | TX_FIFO_EMPTY)) == TX_FIFO_EMPTY)
|
|
|
|
|
break;
|
|
|
|
|
udelay(10);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Reset the Enable bit in the Configuration Register */
|
|
|
|
|
data = rdl(mp, PORT_SERIAL_CONTROL(mp->port_num));
|
|
|
|
@ -2202,7 +2286,8 @@ static int mv643xx_eth_shared_probe(struct platform_device *pdev)
|
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
|
|
if (!mv643xx_eth_version_printed++)
|
|
|
|
|
printk(KERN_NOTICE "MV-643xx 10/100/1000 Ethernet Driver\n");
|
|
|
|
|
printk(KERN_NOTICE "MV-643xx 10/100/1000 ethernet "
|
|
|
|
|
"driver version %s\n", mv643xx_eth_driver_version);
|
|
|
|
|
|
|
|
|
|
ret = -EINVAL;
|
|
|
|
|
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
|
|
|
|
@ -2338,14 +2423,14 @@ static int phy_detect(struct mv643xx_eth_private *mp)
|
|
|
|
|
unsigned int data;
|
|
|
|
|
unsigned int data2;
|
|
|
|
|
|
|
|
|
|
smi_reg_read(mp, mp->phy_addr, 0, &data);
|
|
|
|
|
smi_reg_write(mp, mp->phy_addr, 0, data ^ 0x1000);
|
|
|
|
|
smi_reg_read(mp, mp->phy_addr, MII_BMCR, &data);
|
|
|
|
|
smi_reg_write(mp, mp->phy_addr, MII_BMCR, data ^ BMCR_ANENABLE);
|
|
|
|
|
|
|
|
|
|
smi_reg_read(mp, mp->phy_addr, 0, &data2);
|
|
|
|
|
if (((data ^ data2) & 0x1000) == 0)
|
|
|
|
|
smi_reg_read(mp, mp->phy_addr, MII_BMCR, &data2);
|
|
|
|
|
if (((data ^ data2) & BMCR_ANENABLE) == 0)
|
|
|
|
|
return -ENODEV;
|
|
|
|
|
|
|
|
|
|
smi_reg_write(mp, mp->phy_addr, 0, data);
|
|
|
|
|
smi_reg_write(mp, mp->phy_addr, MII_BMCR, data);
|
|
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
@ -2393,12 +2478,39 @@ static int phy_init(struct mv643xx_eth_private *mp,
|
|
|
|
|
cmd.duplex = pd->duplex;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
update_pscr(mp, cmd.speed, cmd.duplex);
|
|
|
|
|
mv643xx_eth_set_settings(mp->dev, &cmd);
|
|
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static void init_pscr(struct mv643xx_eth_private *mp, int speed, int duplex)
|
|
|
|
|
{
|
|
|
|
|
u32 pscr;
|
|
|
|
|
|
|
|
|
|
pscr = rdl(mp, PORT_SERIAL_CONTROL(mp->port_num));
|
|
|
|
|
if (pscr & SERIAL_PORT_ENABLE) {
|
|
|
|
|
pscr &= ~SERIAL_PORT_ENABLE;
|
|
|
|
|
wrl(mp, PORT_SERIAL_CONTROL(mp->port_num), pscr);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
pscr = MAX_RX_PACKET_9700BYTE | SERIAL_PORT_CONTROL_RESERVED;
|
|
|
|
|
if (mp->phy_addr == -1) {
|
|
|
|
|
pscr |= DISABLE_AUTO_NEG_SPEED_GMII;
|
|
|
|
|
if (speed == SPEED_1000)
|
|
|
|
|
pscr |= SET_GMII_SPEED_TO_1000;
|
|
|
|
|
else if (speed == SPEED_100)
|
|
|
|
|
pscr |= SET_MII_SPEED_TO_100;
|
|
|
|
|
|
|
|
|
|
pscr |= DISABLE_AUTO_NEG_FOR_FLOW_CTRL;
|
|
|
|
|
|
|
|
|
|
pscr |= DISABLE_AUTO_NEG_FOR_DUPLEX;
|
|
|
|
|
if (duplex == DUPLEX_FULL)
|
|
|
|
|
pscr |= SET_FULL_DUPLEX_MODE;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
wrl(mp, PORT_SERIAL_CONTROL(mp->port_num), pscr);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static int mv643xx_eth_probe(struct platform_device *pdev)
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{
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struct mv643xx_eth_platform_data *pd;
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@ -2452,6 +2564,7 @@ static int mv643xx_eth_probe(struct platform_device *pdev)
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} else {
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SET_ETHTOOL_OPS(dev, &mv643xx_eth_ethtool_ops_phyless);
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}
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init_pscr(mp, pd->speed, pd->duplex);
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res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
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@ -2478,6 +2591,7 @@ static int mv643xx_eth_probe(struct platform_device *pdev)
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* have to map the buffers to ISA memory which is only 16 MB
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*/
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dev->features = NETIF_F_SG | NETIF_F_IP_CSUM;
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dev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM;
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#endif
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SET_NETDEV_DEV(dev, &pdev->dev);
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