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Add RPI4 beta support

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Ycarus (Yannick Chabanois) 2019-06-24 19:52:48 +02:00
parent abf18246f5
commit 5f08b288eb
155 changed files with 29237 additions and 0 deletions
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48
root/target/linux/brcm2708/patches-4.19/0552-bcmgenet-Better-coalescing-parameter-defaults.patch Normal file
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@ -0,0 +1,48 @@
From 6502950aad1ba53d3eb7aab309d9d3d232050f52 Mon Sep 17 00:00:00 2001
From: Phil Elwell <phil@raspberrypi.org>
Date: Wed, 27 Mar 2019 13:45:46 +0000
Subject: [PATCH 552/678] bcmgenet: Better coalescing parameter defaults
Set defaults for TX and RX packet coalescing to be equivalent to:
# ethtool -C eth0 tx-frames 10
# ethtool -C eth0 rx-usecs 50
This may be something we want to set via DT parameters in the
future.
Signed-off-by: Phil Elwell <phil@raspberrypi.org>
---
drivers/net/ethernet/broadcom/genet/bcmgenet.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
index 2d6f090bf644..bdd7717c890b 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
@@ -2147,7 +2147,7 @@ static void bcmgenet_init_tx_ring(struct bcmgenet_priv *priv,
bcmgenet_tdma_ring_writel(priv, index, 0, TDMA_PROD_INDEX);
bcmgenet_tdma_ring_writel(priv, index, 0, TDMA_CONS_INDEX);
- bcmgenet_tdma_ring_writel(priv, index, 1, DMA_MBUF_DONE_THRESH);
+ bcmgenet_tdma_ring_writel(priv, index, 10, DMA_MBUF_DONE_THRESH);
/* Disable rate control for now */
bcmgenet_tdma_ring_writel(priv, index, flow_period_val,
TDMA_FLOW_PERIOD);
@@ -3576,9 +3576,12 @@ static int bcmgenet_probe(struct platform_device *pdev)
netif_set_real_num_rx_queues(priv->dev, priv->hw_params->rx_queues + 1);
/* Set default coalescing parameters */
- for (i = 0; i < priv->hw_params->rx_queues; i++)
+ for (i = 0; i < priv->hw_params->rx_queues; i++) {
priv->rx_rings[i].rx_max_coalesced_frames = 1;
+ priv->rx_rings[i].rx_coalesce_usecs = 50;
+ }
priv->rx_rings[DESC_INDEX].rx_max_coalesced_frames = 1;
+ priv->rx_rings[DESC_INDEX].rx_coalesce_usecs = 50;
/* libphy will determine the link state */
netif_carrier_off(dev);
--
2.19.1