Merge branch 'cpsw-ale-cleanups'
Grygorii Strashko says: ==================== net: ethernet: ti: cpsw/ale clean up and optimization This is set of non critical clean ups and optimizations for TI CPSW and ALE drivers. Rebased on top on net-next. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
commit
c5f66a8589
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@ -88,6 +88,7 @@ do { \
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#define CPSW_VERSION_4 0x190112
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#define HOST_PORT_NUM 0
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#define CPSW_ALE_PORTS_NUM 3
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#define SLIVER_SIZE 0x40
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#define CPSW1_HOST_PORT_OFFSET 0x028
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@ -352,6 +353,27 @@ struct cpsw_hw_stats {
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u32 rxdmaoverruns;
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};
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struct cpsw_slave_data {
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struct device_node *phy_node;
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char phy_id[MII_BUS_ID_SIZE];
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int phy_if;
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u8 mac_addr[ETH_ALEN];
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u16 dual_emac_res_vlan; /* Reserved VLAN for DualEMAC */
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};
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struct cpsw_platform_data {
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struct cpsw_slave_data *slave_data;
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u32 ss_reg_ofs; /* Subsystem control register offset */
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u32 channels; /* number of cpdma channels (symmetric) */
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u32 slaves; /* number of slave cpgmac ports */
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u32 active_slave; /* time stamping, ethtool and SIOCGMIIPHY slave */
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u32 ale_entries; /* ale table size */
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u32 bd_ram_size; /*buffer descriptor ram size */
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u32 mac_control; /* Mac control register */
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u16 default_vlan; /* Def VLAN for ALE lookup in VLAN aware mode*/
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bool dual_emac; /* Enable Dual EMAC mode */
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};
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struct cpsw_slave {
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void __iomem *regs;
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struct cpsw_sliver_regs __iomem *sliver;
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@ -365,12 +387,12 @@ struct cpsw_slave {
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static inline u32 slave_read(struct cpsw_slave *slave, u32 offset)
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{
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return __raw_readl(slave->regs + offset);
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return readl_relaxed(slave->regs + offset);
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}
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static inline void slave_write(struct cpsw_slave *slave, u32 val, u32 offset)
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{
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__raw_writel(val, slave->regs + offset);
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writel_relaxed(val, slave->regs + offset);
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}
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struct cpsw_vector {
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@ -660,8 +682,8 @@ static void cpsw_ndo_set_rx_mode(struct net_device *ndev)
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static void cpsw_intr_enable(struct cpsw_common *cpsw)
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{
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__raw_writel(0xFF, &cpsw->wr_regs->tx_en);
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__raw_writel(0xFF, &cpsw->wr_regs->rx_en);
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writel_relaxed(0xFF, &cpsw->wr_regs->tx_en);
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writel_relaxed(0xFF, &cpsw->wr_regs->rx_en);
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cpdma_ctlr_int_ctrl(cpsw->dma, true);
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return;
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@ -669,8 +691,8 @@ static void cpsw_intr_enable(struct cpsw_common *cpsw)
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static void cpsw_intr_disable(struct cpsw_common *cpsw)
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{
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__raw_writel(0, &cpsw->wr_regs->tx_en);
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__raw_writel(0, &cpsw->wr_regs->rx_en);
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writel_relaxed(0, &cpsw->wr_regs->tx_en);
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writel_relaxed(0, &cpsw->wr_regs->rx_en);
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cpdma_ctlr_int_ctrl(cpsw->dma, false);
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return;
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@ -949,18 +971,14 @@ static inline void soft_reset(const char *module, void __iomem *reg)
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{
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unsigned long timeout = jiffies + HZ;
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__raw_writel(1, reg);
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writel_relaxed(1, reg);
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do {
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cpu_relax();
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} while ((__raw_readl(reg) & 1) && time_after(timeout, jiffies));
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} while ((readl_relaxed(reg) & 1) && time_after(timeout, jiffies));
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WARN(__raw_readl(reg) & 1, "failed to soft-reset %s\n", module);
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WARN(readl_relaxed(reg) & 1, "failed to soft-reset %s\n", module);
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}
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#define mac_hi(mac) (((mac)[0] << 0) | ((mac)[1] << 8) | \
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((mac)[2] << 16) | ((mac)[3] << 24))
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#define mac_lo(mac) (((mac)[4] << 0) | ((mac)[5] << 8))
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static void cpsw_set_slave_mac(struct cpsw_slave *slave,
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struct cpsw_priv *priv)
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{
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@ -1015,7 +1033,7 @@ static void _cpsw_adjust_link(struct cpsw_slave *slave,
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if (mac_control != slave->mac_control) {
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phy_print_status(phy);
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__raw_writel(mac_control, &slave->sliver->mac_control);
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writel_relaxed(mac_control, &slave->sliver->mac_control);
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}
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slave->mac_control = mac_control;
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@ -1278,7 +1296,7 @@ static void cpsw_slave_open(struct cpsw_slave *slave, struct cpsw_priv *priv)
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soft_reset_slave(slave);
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/* setup priority mapping */
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__raw_writel(RX_PRIORITY_MAPPING, &slave->sliver->rx_pri_map);
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writel_relaxed(RX_PRIORITY_MAPPING, &slave->sliver->rx_pri_map);
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switch (cpsw->version) {
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case CPSW_VERSION_1:
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@ -1304,7 +1322,7 @@ static void cpsw_slave_open(struct cpsw_slave *slave, struct cpsw_priv *priv)
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}
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/* setup max packet size, and mac address */
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__raw_writel(cpsw->rx_packet_max, &slave->sliver->rx_maxlen);
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writel_relaxed(cpsw->rx_packet_max, &slave->sliver->rx_maxlen);
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cpsw_set_slave_mac(slave, priv);
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slave->mac_control = 0; /* no link yet */
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@ -1395,9 +1413,9 @@ static void cpsw_init_host_port(struct cpsw_priv *priv)
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writel(fifo_mode, &cpsw->host_port_regs->tx_in_ctl);
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/* setup host port priority mapping */
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__raw_writel(CPDMA_TX_PRIORITY_MAP,
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writel_relaxed(CPDMA_TX_PRIORITY_MAP,
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&cpsw->host_port_regs->cpdma_tx_pri_map);
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__raw_writel(0, &cpsw->host_port_regs->cpdma_rx_chan_map);
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writel_relaxed(0, &cpsw->host_port_regs->cpdma_rx_chan_map);
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cpsw_ale_control_set(cpsw->ale, HOST_PORT_NUM,
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ALE_PORT_STATE, ALE_PORT_STATE_FORWARD);
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@ -1514,10 +1532,10 @@ static int cpsw_ndo_open(struct net_device *ndev)
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/* initialize shared resources for every ndev */
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if (!cpsw->usage_count) {
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/* disable priority elevation */
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__raw_writel(0, &cpsw->regs->ptype);
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writel_relaxed(0, &cpsw->regs->ptype);
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/* enable statistics collection only on all ports */
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__raw_writel(0x7, &cpsw->regs->stat_port_en);
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writel_relaxed(0x7, &cpsw->regs->stat_port_en);
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/* Enable internal fifo flow control */
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writel(0x7, &cpsw->regs->flow_control);
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@ -1701,7 +1719,7 @@ static void cpsw_hwtstamp_v2(struct cpsw_priv *priv)
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slave_write(slave, mtype, CPSW2_TS_SEQ_MTYPE);
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slave_write(slave, ctrl, CPSW2_CONTROL);
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__raw_writel(ETH_P_1588, &cpsw->regs->ts_ltype);
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writel_relaxed(ETH_P_1588, &cpsw->regs->ts_ltype);
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}
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static int cpsw_hwtstamp_set(struct net_device *dev, struct ifreq *ifr)
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@ -2298,7 +2316,6 @@ static int cpsw_check_ch_settings(struct cpsw_common *cpsw,
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static int cpsw_update_channels_res(struct cpsw_priv *priv, int ch_num, int rx)
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{
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int (*poll)(struct napi_struct *, int);
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struct cpsw_common *cpsw = priv->cpsw;
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void (*handler)(void *, int, int);
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struct netdev_queue *queue;
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@ -2309,12 +2326,10 @@ static int cpsw_update_channels_res(struct cpsw_priv *priv, int ch_num, int rx)
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ch = &cpsw->rx_ch_num;
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vec = cpsw->rxv;
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handler = cpsw_rx_handler;
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poll = cpsw_rx_poll;
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} else {
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ch = &cpsw->tx_ch_num;
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vec = cpsw->txv;
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handler = cpsw_tx_handler;
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poll = cpsw_tx_poll;
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}
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while (*ch < ch_num) {
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@ -3060,7 +3075,7 @@ static int cpsw_probe(struct platform_device *pdev)
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ale_params.dev = &pdev->dev;
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ale_params.ale_ageout = ale_ageout;
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ale_params.ale_entries = data->ale_entries;
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ale_params.ale_ports = data->slaves;
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ale_params.ale_ports = CPSW_ALE_PORTS_NUM;
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cpsw->ale = cpsw_ale_create(&ale_params);
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if (!cpsw->ale) {
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@ -3072,14 +3087,14 @@ static int cpsw_probe(struct platform_device *pdev)
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cpsw->cpts = cpts_create(cpsw->dev, cpts_regs, cpsw->dev->of_node);
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if (IS_ERR(cpsw->cpts)) {
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ret = PTR_ERR(cpsw->cpts);
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goto clean_ale_ret;
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goto clean_dma_ret;
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}
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ndev->irq = platform_get_irq(pdev, 1);
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if (ndev->irq < 0) {
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dev_err(priv->dev, "error getting irq resource\n");
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ret = ndev->irq;
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goto clean_ale_ret;
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goto clean_dma_ret;
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}
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of_id = of_match_device(cpsw_of_mtable, &pdev->dev);
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@ -3103,7 +3118,7 @@ static int cpsw_probe(struct platform_device *pdev)
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if (ret) {
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dev_err(priv->dev, "error registering net device\n");
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ret = -ENODEV;
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goto clean_ale_ret;
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goto clean_dma_ret;
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}
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if (cpsw->data.dual_emac) {
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@ -3126,7 +3141,7 @@ static int cpsw_probe(struct platform_device *pdev)
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irq = platform_get_irq(pdev, 1);
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if (irq < 0) {
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ret = irq;
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goto clean_ale_ret;
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goto clean_dma_ret;
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}
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cpsw->irqs_table[0] = irq;
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@ -3134,14 +3149,14 @@ static int cpsw_probe(struct platform_device *pdev)
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0, dev_name(&pdev->dev), cpsw);
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if (ret < 0) {
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dev_err(priv->dev, "error attaching irq (%d)\n", ret);
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goto clean_ale_ret;
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goto clean_dma_ret;
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}
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/* TX IRQ */
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irq = platform_get_irq(pdev, 2);
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if (irq < 0) {
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ret = irq;
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goto clean_ale_ret;
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goto clean_dma_ret;
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}
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cpsw->irqs_table[1] = irq;
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@ -3149,7 +3164,7 @@ static int cpsw_probe(struct platform_device *pdev)
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0, dev_name(&pdev->dev), cpsw);
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if (ret < 0) {
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dev_err(priv->dev, "error attaching irq (%d)\n", ret);
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goto clean_ale_ret;
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goto clean_dma_ret;
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}
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cpsw_notice(priv, probe,
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@ -3162,8 +3177,6 @@ static int cpsw_probe(struct platform_device *pdev)
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clean_unregister_netdev_ret:
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unregister_netdev(ndev);
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clean_ale_ret:
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cpsw_ale_destroy(cpsw->ale);
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clean_dma_ret:
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cpdma_ctlr_destroy(cpsw->dma);
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clean_dt_ret:
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@ -3193,7 +3206,6 @@ static int cpsw_remove(struct platform_device *pdev)
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unregister_netdev(ndev);
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cpts_release(cpsw->cpts);
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cpsw_ale_destroy(cpsw->ale);
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cpdma_ctlr_destroy(cpsw->dma);
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cpsw_remove_dt(pdev);
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pm_runtime_put_sync(&pdev->dev);
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@ -17,26 +17,9 @@
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#include <linux/if_ether.h>
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#include <linux/phy.h>
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struct cpsw_slave_data {
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struct device_node *phy_node;
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char phy_id[MII_BUS_ID_SIZE];
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int phy_if;
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u8 mac_addr[ETH_ALEN];
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u16 dual_emac_res_vlan; /* Reserved VLAN for DualEMAC */
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};
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struct cpsw_platform_data {
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struct cpsw_slave_data *slave_data;
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u32 ss_reg_ofs; /* Subsystem control register offset */
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u32 channels; /* number of cpdma channels (symmetric) */
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u32 slaves; /* number of slave cpgmac ports */
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u32 active_slave; /* time stamping, ethtool and SIOCGMIIPHY slave */
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u32 ale_entries; /* ale table size */
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u32 bd_ram_size; /*buffer descriptor ram size */
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u32 mac_control; /* Mac control register */
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u16 default_vlan; /* Def VLAN for ALE lookup in VLAN aware mode*/
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bool dual_emac; /* Enable Dual EMAC mode */
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};
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#define mac_hi(mac) (((mac)[0] << 0) | ((mac)[1] << 8) | \
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((mac)[2] << 16) | ((mac)[3] << 24))
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#define mac_lo(mac) (((mac)[4] << 0) | ((mac)[5] << 8))
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void cpsw_phy_sel(struct device *dev, phy_interface_t phy_mode, int slave);
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int ti_cm_get_macid(struct device *dev, int slave, u8 *mac_addr);
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@ -150,10 +150,10 @@ static int cpsw_ale_read(struct cpsw_ale *ale, int idx, u32 *ale_entry)
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WARN_ON(idx > ale->params.ale_entries);
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__raw_writel(idx, ale->params.ale_regs + ALE_TABLE_CONTROL);
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writel_relaxed(idx, ale->params.ale_regs + ALE_TABLE_CONTROL);
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for (i = 0; i < ALE_ENTRY_WORDS; i++)
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ale_entry[i] = __raw_readl(ale->params.ale_regs +
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ale_entry[i] = readl_relaxed(ale->params.ale_regs +
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ALE_TABLE + 4 * i);
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return idx;
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@ -166,10 +166,10 @@ static int cpsw_ale_write(struct cpsw_ale *ale, int idx, u32 *ale_entry)
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WARN_ON(idx > ale->params.ale_entries);
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for (i = 0; i < ALE_ENTRY_WORDS; i++)
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__raw_writel(ale_entry[i], ale->params.ale_regs +
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writel_relaxed(ale_entry[i], ale->params.ale_regs +
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ALE_TABLE + 4 * i);
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__raw_writel(idx | ALE_TABLE_WRITE, ale->params.ale_regs +
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writel_relaxed(idx | ALE_TABLE_WRITE, ale->params.ale_regs +
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ALE_TABLE_CONTROL);
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return idx;
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@ -723,7 +723,7 @@ int cpsw_ale_control_set(struct cpsw_ale *ale, int port, int control,
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if (info->port_offset == 0 && info->port_shift == 0)
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port = 0; /* global, port is a dont care */
|
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|
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if (port < 0 || port > ale->params.ale_ports)
|
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if (port < 0 || port >= ale->params.ale_ports)
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return -EINVAL;
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|
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mask = BITMASK(info->bits);
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|
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@ -733,9 +733,9 @@ int cpsw_ale_control_set(struct cpsw_ale *ale, int port, int control,
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offset = info->offset + (port * info->port_offset);
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shift = info->shift + (port * info->port_shift);
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|
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tmp = __raw_readl(ale->params.ale_regs + offset);
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tmp = readl_relaxed(ale->params.ale_regs + offset);
|
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tmp = (tmp & ~(mask << shift)) | (value << shift);
|
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__raw_writel(tmp, ale->params.ale_regs + offset);
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writel_relaxed(tmp, ale->params.ale_regs + offset);
|
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|
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return 0;
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}
|
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|
|
@ -754,13 +754,13 @@ int cpsw_ale_control_get(struct cpsw_ale *ale, int port, int control)
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if (info->port_offset == 0 && info->port_shift == 0)
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port = 0; /* global, port is a dont care */
|
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|
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if (port < 0 || port > ale->params.ale_ports)
|
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if (port < 0 || port >= ale->params.ale_ports)
|
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return -EINVAL;
|
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|
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offset = info->offset + (port * info->port_offset);
|
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shift = info->shift + (port * info->port_shift);
|
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|
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tmp = __raw_readl(ale->params.ale_regs + offset) >> shift;
|
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tmp = readl_relaxed(ale->params.ale_regs + offset) >> shift;
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return tmp & BITMASK(info->bits);
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}
|
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EXPORT_SYMBOL_GPL(cpsw_ale_control_get);
|
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|
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@ -779,9 +779,37 @@ static void cpsw_ale_timer(struct timer_list *t)
|
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|
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void cpsw_ale_start(struct cpsw_ale *ale)
|
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{
|
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cpsw_ale_control_set(ale, 0, ALE_ENABLE, 1);
|
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cpsw_ale_control_set(ale, 0, ALE_CLEAR, 1);
|
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|
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timer_setup(&ale->timer, cpsw_ale_timer, 0);
|
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if (ale->ageout) {
|
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ale->timer.expires = jiffies + ale->ageout;
|
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add_timer(&ale->timer);
|
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}
|
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}
|
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EXPORT_SYMBOL_GPL(cpsw_ale_start);
|
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|
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void cpsw_ale_stop(struct cpsw_ale *ale)
|
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{
|
||||
del_timer_sync(&ale->timer);
|
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cpsw_ale_control_set(ale, 0, ALE_ENABLE, 0);
|
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}
|
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EXPORT_SYMBOL_GPL(cpsw_ale_stop);
|
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|
||||
struct cpsw_ale *cpsw_ale_create(struct cpsw_ale_params *params)
|
||||
{
|
||||
struct cpsw_ale *ale;
|
||||
u32 rev, ale_entries;
|
||||
|
||||
rev = __raw_readl(ale->params.ale_regs + ALE_IDVER);
|
||||
ale = devm_kzalloc(params->dev, sizeof(*ale), GFP_KERNEL);
|
||||
if (!ale)
|
||||
return NULL;
|
||||
|
||||
ale->params = *params;
|
||||
ale->ageout = ale->params.ale_ageout * HZ;
|
||||
|
||||
rev = readl_relaxed(ale->params.ale_regs + ALE_IDVER);
|
||||
if (!ale->params.major_ver_mask)
|
||||
ale->params.major_ver_mask = 0xff;
|
||||
ale->version =
|
||||
|
|
@ -793,7 +821,7 @@ void cpsw_ale_start(struct cpsw_ale *ale)
|
|||
|
||||
if (!ale->params.ale_entries) {
|
||||
ale_entries =
|
||||
__raw_readl(ale->params.ale_regs + ALE_STATUS) &
|
||||
readl_relaxed(ale->params.ale_regs + ALE_STATUS) &
|
||||
ALE_STATUS_SIZE_MASK;
|
||||
/* ALE available on newer NetCP switches has introduced
|
||||
* a register, ALE_STATUS, to indicate the size of ALE
|
||||
|
|
@ -816,9 +844,9 @@ void cpsw_ale_start(struct cpsw_ale *ale)
|
|||
"ALE Table size %ld\n", ale->params.ale_entries);
|
||||
|
||||
/* set default bits for existing h/w */
|
||||
ale->port_mask_bits = 3;
|
||||
ale->port_num_bits = 2;
|
||||
ale->vlan_field_bits = 3;
|
||||
ale->port_mask_bits = ale->params.ale_ports;
|
||||
ale->port_num_bits = order_base_2(ale->params.ale_ports);
|
||||
ale->vlan_field_bits = ale->params.ale_ports;
|
||||
|
||||
/* Set defaults override for ALE on NetCP NU switch and for version
|
||||
* 1R3
|
||||
|
|
@ -847,57 +875,12 @@ void cpsw_ale_start(struct cpsw_ale *ale)
|
|||
ale_controls[ALE_PORT_UNTAGGED_EGRESS].shift = 0;
|
||||
ale_controls[ALE_PORT_UNTAGGED_EGRESS].offset =
|
||||
ALE_UNKNOWNVLAN_FORCE_UNTAG_EGRESS;
|
||||
ale->port_mask_bits = ale->params.ale_ports;
|
||||
ale->port_num_bits = ale->params.ale_ports - 1;
|
||||
ale->vlan_field_bits = ale->params.ale_ports;
|
||||
} else if (ale->version == ALE_VERSION_1R3) {
|
||||
ale->port_mask_bits = ale->params.ale_ports;
|
||||
ale->port_num_bits = 3;
|
||||
ale->vlan_field_bits = ale->params.ale_ports;
|
||||
}
|
||||
|
||||
cpsw_ale_control_set(ale, 0, ALE_ENABLE, 1);
|
||||
cpsw_ale_control_set(ale, 0, ALE_CLEAR, 1);
|
||||
|
||||
timer_setup(&ale->timer, cpsw_ale_timer, 0);
|
||||
if (ale->ageout) {
|
||||
ale->timer.expires = jiffies + ale->ageout;
|
||||
add_timer(&ale->timer);
|
||||
}
|
||||
}
|
||||
EXPORT_SYMBOL_GPL(cpsw_ale_start);
|
||||
|
||||
void cpsw_ale_stop(struct cpsw_ale *ale)
|
||||
{
|
||||
del_timer_sync(&ale->timer);
|
||||
}
|
||||
EXPORT_SYMBOL_GPL(cpsw_ale_stop);
|
||||
|
||||
struct cpsw_ale *cpsw_ale_create(struct cpsw_ale_params *params)
|
||||
{
|
||||
struct cpsw_ale *ale;
|
||||
|
||||
ale = kzalloc(sizeof(*ale), GFP_KERNEL);
|
||||
if (!ale)
|
||||
return NULL;
|
||||
|
||||
ale->params = *params;
|
||||
ale->ageout = ale->params.ale_ageout * HZ;
|
||||
|
||||
return ale;
|
||||
}
|
||||
EXPORT_SYMBOL_GPL(cpsw_ale_create);
|
||||
|
||||
int cpsw_ale_destroy(struct cpsw_ale *ale)
|
||||
{
|
||||
if (!ale)
|
||||
return -EINVAL;
|
||||
cpsw_ale_control_set(ale, 0, ALE_ENABLE, 0);
|
||||
kfree(ale);
|
||||
return 0;
|
||||
}
|
||||
EXPORT_SYMBOL_GPL(cpsw_ale_destroy);
|
||||
|
||||
void cpsw_ale_dump(struct cpsw_ale *ale, u32 *data)
|
||||
{
|
||||
int i;
|
||||
|
|
|
|||
|
|
@ -100,7 +100,6 @@ enum cpsw_ale_port_state {
|
|||
#define ALE_ENTRY_WORDS DIV_ROUND_UP(ALE_ENTRY_BITS, 32)
|
||||
|
||||
struct cpsw_ale *cpsw_ale_create(struct cpsw_ale_params *params);
|
||||
int cpsw_ale_destroy(struct cpsw_ale *ale);
|
||||
|
||||
void cpsw_ale_start(struct cpsw_ale *ale);
|
||||
void cpsw_ale_stop(struct cpsw_ale *ale);
|
||||
|
|
|
|||
|
|
@ -27,6 +27,7 @@
|
|||
#include <linux/net_tstamp.h>
|
||||
#include <linux/ethtool.h>
|
||||
|
||||
#include "cpsw.h"
|
||||
#include "cpsw_ale.h"
|
||||
#include "netcp.h"
|
||||
#include "cpts.h"
|
||||
|
|
@ -2047,10 +2048,6 @@ static const struct ethtool_ops keystone_ethtool_ops = {
|
|||
.get_ts_info = keystone_get_ts_info,
|
||||
};
|
||||
|
||||
#define mac_hi(mac) (((mac)[0] << 0) | ((mac)[1] << 8) | \
|
||||
((mac)[2] << 16) | ((mac)[3] << 24))
|
||||
#define mac_lo(mac) (((mac)[4] << 0) | ((mac)[5] << 8))
|
||||
|
||||
static void gbe_set_slave_mac(struct gbe_slave *slave,
|
||||
struct gbe_intf *gbe_intf)
|
||||
{
|
||||
|
|
@ -3692,7 +3689,6 @@ static int gbe_remove(struct netcp_device *netcp_device, void *inst_priv)
|
|||
del_timer_sync(&gbe_dev->timer);
|
||||
cpts_release(gbe_dev->cpts);
|
||||
cpsw_ale_stop(gbe_dev->ale);
|
||||
cpsw_ale_destroy(gbe_dev->ale);
|
||||
netcp_txpipe_close(&gbe_dev->tx_pipe);
|
||||
free_secondary_ports(gbe_dev);
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue