1 files changed, 0 insertions, 150 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac5.c b/drivers/net/ethernet/stmicro/stmmac/dwmac5.c
index 08add508db84..1c431b918719 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac5.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac5.c
@@ -572,153 +572,3 @@ int dwmac5_flex_pps_config(void __iomem *ioaddr, int index,
 	writel(val, ioaddr + MAC_PPS_CONTROL);
 	return 0;
 }
-
-void dwmac5_fpe_configure(void __iomem *ioaddr, struct stmmac_fpe_cfg *cfg,
-			  u32 num_txq, u32 num_rxq,
-			  bool tx_enable, bool pmac_enable)
-{
-	u32 value;
-
-	if (tx_enable) {
-		cfg->fpe_csr = EFPE;
-		value = readl(ioaddr + GMAC_RXQ_CTRL1);
-		value &= ~GMAC_RXQCTRL_FPRQ;
-		value |= (num_rxq - 1) << GMAC_RXQCTRL_FPRQ_SHIFT;
-		writel(value, ioaddr + GMAC_RXQ_CTRL1);
-	} else {
-		cfg->fpe_csr = 0;
-	}
-	writel(cfg->fpe_csr, ioaddr + MAC_FPE_CTRL_STS);
-
-	value = readl(ioaddr + GMAC_INT_EN);
-
-	if (pmac_enable) {
-		if (!(value & GMAC_INT_FPE_EN)) {
-			/* Dummy read to clear any pending masked interrupts */
-			readl(ioaddr + MAC_FPE_CTRL_STS);
-
-			value |= GMAC_INT_FPE_EN;
-		}
-	} else {
-		value &= ~GMAC_INT_FPE_EN;
-	}
-
-	writel(value, ioaddr + GMAC_INT_EN);
-}
-
-int dwmac5_fpe_irq_status(void __iomem *ioaddr, struct net_device *dev)
-{
-	u32 value;
-	int status;
-
-	status = FPE_EVENT_UNKNOWN;
-
-	/* Reads from the MAC_FPE_CTRL_STS register should only be performed
-	 * here, since the status flags of MAC_FPE_CTRL_STS are "clear on read"
-	 */
-	value = readl(ioaddr + MAC_FPE_CTRL_STS);
-
-	if (value & TRSP) {
-		status |= FPE_EVENT_TRSP;
-		netdev_dbg(dev, "FPE: Respond mPacket is transmitted\n");
-	}
-
-	if (value & TVER) {
-		status |= FPE_EVENT_TVER;
-		netdev_dbg(dev, "FPE: Verify mPacket is transmitted\n");
-	}
-
-	if (value & RRSP) {
-		status |= FPE_EVENT_RRSP;
-		netdev_dbg(dev, "FPE: Respond mPacket is received\n");
-	}
-
-	if (value & RVER) {
-		status |= FPE_EVENT_RVER;
-		netdev_dbg(dev, "FPE: Verify mPacket is received\n");
-	}
-
-	return status;
-}
-
-void dwmac5_fpe_send_mpacket(void __iomem *ioaddr, struct stmmac_fpe_cfg *cfg,
-			     enum stmmac_mpacket_type type)
-{
-	u32 value = cfg->fpe_csr;
-
-	if (type == MPACKET_VERIFY)
-		value |= SVER;
-	else if (type == MPACKET_RESPONSE)
-		value |= SRSP;
-
-	writel(value, ioaddr + MAC_FPE_CTRL_STS);
-}
-
-int dwmac5_fpe_get_add_frag_size(const void __iomem *ioaddr)
-{
-	return FIELD_GET(DWMAC5_ADD_FRAG_SZ, readl(ioaddr + MTL_FPE_CTRL_STS));
-}
-
-void dwmac5_fpe_set_add_frag_size(void __iomem *ioaddr, u32 add_frag_size)
-{
-	u32 value;
-
-	value = readl(ioaddr + MTL_FPE_CTRL_STS);
-	writel(u32_replace_bits(value, add_frag_size, DWMAC5_ADD_FRAG_SZ),
-	       ioaddr + MTL_FPE_CTRL_STS);
-}
-
-#define ALG_ERR_MSG "TX algorithm SP is not suitable for one-to-many mapping"
-#define WEIGHT_ERR_MSG "TXQ weight %u differs across other TXQs in TC: [%u]"
-
-int dwmac5_fpe_map_preemption_class(struct net_device *ndev,
-				    struct netlink_ext_ack *extack, u32 pclass)
-{
-	u32 val, offset, count, queue_weight, preemptible_txqs = 0;
-	struct stmmac_priv *priv = netdev_priv(ndev);
-	u32 num_tc = ndev->num_tc;
-
-	if (!pclass)
-		goto update_mapping;
-
-	/* DWMAC CORE4+ can not program TC:TXQ mapping to hardware.
-	 *
-	 * Synopsys Databook:
-	 * "The number of Tx DMA channels is equal to the number of Tx queues,
-	 * and is direct one-to-one mapping."
-	 */
-	for (u32 tc = 0; tc < num_tc; tc++) {
-		count = ndev->tc_to_txq[tc].count;
-		offset = ndev->tc_to_txq[tc].offset;
-
-		if (pclass & BIT(tc))
-			preemptible_txqs |= GENMASK(offset + count - 1, offset);
-
-		/* This is 1:1 mapping, go to next TC */
-		if (count == 1)
-			continue;
-
-		if (priv->plat->tx_sched_algorithm == MTL_TX_ALGORITHM_SP) {
-			NL_SET_ERR_MSG_MOD(extack, ALG_ERR_MSG);
-			return -EINVAL;
-		}
-
-		queue_weight = priv->plat->tx_queues_cfg[offset].weight;
-
-		for (u32 i = 1; i < count; i++) {
-			if (priv->plat->tx_queues_cfg[offset + i].weight !=
-			    queue_weight) {
-				NL_SET_ERR_MSG_FMT_MOD(extack, WEIGHT_ERR_MSG,
-						       queue_weight, tc);
-				return -EINVAL;
-			}
-		}
-	}
-
-update_mapping:
-	val = readl(priv->ioaddr + MTL_FPE_CTRL_STS);
-	writel(u32_replace_bits(val, preemptible_txqs, DWMAC5_PREEMPTION_CLASS),
-	       priv->ioaddr + MTL_FPE_CTRL_STS);
-
-	return 0;
-}