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path: root/drivers/net/ethernet/stmicro
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Diffstat (limited to 'drivers/net/ethernet/stmicro')
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwmac-tegra.c14
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/stmmac_main.c2
2 files changed, 13 insertions, 3 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-tegra.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-tegra.c
index 362f85136c3e..6fdd94c8919e 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-tegra.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-tegra.c
@@ -127,10 +127,12 @@ static int mgbe_uphy_lane_bringup_serdes_up(struct net_device *ndev, void *mgbe_
value &= ~XPCS_WRAP_UPHY_RX_CONTROL_AUX_RX_IDDQ;
writel(value, mgbe->xpcs + XPCS_WRAP_UPHY_RX_CONTROL);
+ usleep_range(10, 20); /* 50ns min delay needed as per HW design */
value = readl(mgbe->xpcs + XPCS_WRAP_UPHY_RX_CONTROL);
value &= ~XPCS_WRAP_UPHY_RX_CONTROL_RX_SLEEP;
writel(value, mgbe->xpcs + XPCS_WRAP_UPHY_RX_CONTROL);
+ usleep_range(10, 20); /* 500ns min delay needed as per HW design */
value = readl(mgbe->xpcs + XPCS_WRAP_UPHY_RX_CONTROL);
value |= XPCS_WRAP_UPHY_RX_CONTROL_RX_CAL_EN;
writel(value, mgbe->xpcs + XPCS_WRAP_UPHY_RX_CONTROL);
@@ -143,22 +145,30 @@ static int mgbe_uphy_lane_bringup_serdes_up(struct net_device *ndev, void *mgbe_
return err;
}
+ usleep_range(10, 20); /* 50ns min delay needed as per HW design */
value = readl(mgbe->xpcs + XPCS_WRAP_UPHY_RX_CONTROL);
value |= XPCS_WRAP_UPHY_RX_CONTROL_RX_DATA_EN;
writel(value, mgbe->xpcs + XPCS_WRAP_UPHY_RX_CONTROL);
value = readl(mgbe->xpcs + XPCS_WRAP_UPHY_RX_CONTROL);
- value |= XPCS_WRAP_UPHY_RX_CONTROL_RX_CDR_RESET;
+ value &= ~XPCS_WRAP_UPHY_RX_CONTROL_RX_PCS_PHY_RDY;
writel(value, mgbe->xpcs + XPCS_WRAP_UPHY_RX_CONTROL);
+ usleep_range(10, 20); /* 50ns min delay needed as per HW design */
value = readl(mgbe->xpcs + XPCS_WRAP_UPHY_RX_CONTROL);
- value &= ~XPCS_WRAP_UPHY_RX_CONTROL_RX_CDR_RESET;
+ value |= XPCS_WRAP_UPHY_RX_CONTROL_RX_CDR_RESET;
writel(value, mgbe->xpcs + XPCS_WRAP_UPHY_RX_CONTROL);
+ usleep_range(10, 20); /* 50ns min delay needed as per HW design */
value = readl(mgbe->xpcs + XPCS_WRAP_UPHY_RX_CONTROL);
value |= XPCS_WRAP_UPHY_RX_CONTROL_RX_PCS_PHY_RDY;
writel(value, mgbe->xpcs + XPCS_WRAP_UPHY_RX_CONTROL);
+ msleep(30); /* 30ms delay needed as per HW design */
+ value = readl(mgbe->xpcs + XPCS_WRAP_UPHY_RX_CONTROL);
+ value &= ~XPCS_WRAP_UPHY_RX_CONTROL_RX_CDR_RESET;
+ writel(value, mgbe->xpcs + XPCS_WRAP_UPHY_RX_CONTROL);
+
err = readl_poll_timeout(mgbe->xpcs + XPCS_WRAP_IRQ_STATUS, value,
value & XPCS_WRAP_IRQ_STATUS_PCS_LINK_STS,
500, 500 * 2000);
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index e2140482270a..d3895d7eecfc 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -2035,7 +2035,7 @@ static int __alloc_dma_rx_desc_resources(struct stmmac_priv *priv,
rx_q->queue_index = queue;
rx_q->priv_data = priv;
- pp_params.flags = PP_FLAG_DMA_MAP | (xdp_prog ? PP_FLAG_DMA_SYNC_DEV : 0);
+ pp_params.flags = PP_FLAG_DMA_MAP | PP_FLAG_DMA_SYNC_DEV;
pp_params.pool_size = dma_conf->dma_rx_size;
num_pages = DIV_ROUND_UP(dma_conf->dma_buf_sz, PAGE_SIZE);
pp_params.order = ilog2(num_pages);