brcm63xx: add kernel 4.14 support

Add support for kernel 4.14. Increases compressed kernel size by ~64k
compared to 4.9.

Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>

1 files changed, 72 insertions, 0 deletions

diff --git a/target/linux/brcm63xx/patches-4.14/001-4.16-02-bcm63xx_enet-use-platform-data-for-dma-channel-numbe.patch b/target/linux/brcm63xx/patches-4.14/001-4.16-02-bcm63xx_enet-use-platform-data-for-dma-channel-numbe.patch
new file mode 100644
index 0000000000..3a998e9309
--- /dev/null
+++ b/target/linux/brcm63xx/patches-4.14/001-4.16-02-bcm63xx_enet-use-platform-data-for-dma-channel-numbe.patch
@@ -0,0 +1,72 @@
+From b7d1d1f345bb3b25c360c1df812d98866e2ee7fb Mon Sep 17 00:00:00 2001
+From: Jonas Gorski <jonas.gorski@gmail.com>
+Date: Sat, 30 Sep 2017 13:50:03 +0200
+Subject: [PATCH 2/4] bcm63xx_enet: use platform data for dma channel numbers
+
+To reduce the reliance on device ids, pass the dma channel numbers to
+the enet devices as platform data.
+
+Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
+---
+ arch/mips/bcm63xx/dev-enet.c                          |  8 ++++++++
+ arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_enet.h |  4 ++++
+ drivers/net/ethernet/broadcom/bcm63xx_enet.c          | 11 ++---------
+ 3 files changed, 14 insertions(+), 9 deletions(-)
+
+--- a/arch/mips/bcm63xx/dev-enet.c
++++ b/arch/mips/bcm63xx/dev-enet.c
+@@ -265,6 +265,14 @@ int __init bcm63xx_enet_register(int uni
+ 		dpd->dma_chan_width = ENETDMA_CHAN_WIDTH;
+ 	}
+ 
++	if (unit == 0) {
++		dpd->rx_chan = 0;
++		dpd->tx_chan = 1;
++	} else {
++		dpd->rx_chan = 2;
++		dpd->tx_chan = 3;
++	}
++
+ 	ret = platform_device_register(pdev);
+ 	if (ret)
+ 		return ret;
+--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_enet.h
++++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_enet.h
+@@ -55,6 +55,10 @@ struct bcm63xx_enet_platform_data {
+ 
+ 	/* DMA descriptor shift */
+ 	unsigned int dma_desc_shift;
++
++	/* dma channel ids */
++	int rx_chan;
++	int tx_chan;
+ };
+ 
+ /*
+--- a/drivers/net/ethernet/broadcom/bcm63xx_enet.c
++++ b/drivers/net/ethernet/broadcom/bcm63xx_enet.c
+@@ -1755,15 +1755,6 @@ static int bcm_enet_probe(struct platfor
+ 	priv->irq_tx = res_irq_tx->start;
+ 	priv->mac_id = pdev->id;
+ 
+-	/* get rx & tx dma channel id for this mac */
+-	if (priv->mac_id == 0) {
+-		priv->rx_chan = 0;
+-		priv->tx_chan = 1;
+-	} else {
+-		priv->rx_chan = 2;
+-		priv->tx_chan = 3;
+-	}
+-
+ 	priv->mac_clk = devm_clk_get(&pdev->dev, "enet");
+ 	if (IS_ERR(priv->mac_clk)) {
+ 		ret = PTR_ERR(priv->mac_clk);
+@@ -1795,6 +1786,8 @@ static int bcm_enet_probe(struct platfor
+ 		priv->dma_chan_width = pd->dma_chan_width;
+ 		priv->dma_has_sram = pd->dma_has_sram;
+ 		priv->dma_desc_shift = pd->dma_desc_shift;
++		priv->rx_chan = pd->rx_chan;
++		priv->tx_chan = pd->tx_chan;
+ 	}
+ 
+ 	if (priv->mac_id == 0 && priv->has_phy && !priv->use_external_mii) {