layerscape: add patches-5.4

Add patches for linux-5.4. The patches are from NXP LSDK-20.04 release
which was tagged LSDK-20.04-V5.4.
https://source.codeaurora.org/external/qoriq/qoriq-components/linux/

For boards LS1021A-IOT, and Traverse-LS1043 which are not involved in
LSDK, port the dts patches from 4.14.

The patches are sorted into the following categories:
  301-arch-xxxx
  302-dts-xxxx
  303-core-xxxx
  701-net-xxxx
  801-audio-xxxx
  802-can-xxxx
  803-clock-xxxx
  804-crypto-xxxx
  805-display-xxxx
  806-dma-xxxx
  807-gpio-xxxx
  808-i2c-xxxx
  809-jailhouse-xxxx
  810-keys-xxxx
  811-kvm-xxxx
  812-pcie-xxxx
  813-pm-xxxx
  814-qe-xxxx
  815-sata-xxxx
  816-sdhc-xxxx
  817-spi-xxxx
  818-thermal-xxxx
  819-uart-xxxx
  820-usb-xxxx
  821-vfio-xxxx

Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>

1 files changed, 99 insertions, 0 deletions

diff --git a/target/linux/layerscape/patches-5.4/701-net-0171-staging-fsl-dpaa2-mac-Check-DPMAC-version.patch b/target/linux/layerscape/patches-5.4/701-net-0171-staging-fsl-dpaa2-mac-Check-DPMAC-version.patch
new file mode 100644
index 0000000000..ca3506b0db
--- /dev/null
+++ b/target/linux/layerscape/patches-5.4/701-net-0171-staging-fsl-dpaa2-mac-Check-DPMAC-version.patch
@@ -0,0 +1,99 @@
+From 2dc96021dc08d24eed822f66cb8fb5a454fee236 Mon Sep 17 00:00:00 2001
+From: Ioana Radulescu <ruxandra.radulescu@nxp.com>
+Date: Fri, 19 Oct 2018 16:20:07 +0300
+Subject: [PATCH] staging: fsl-dpaa2/mac: Check DPMAC version
+
+Read the current API version exposed by the DPMAC object.
+Add a check at probe time to make sure it is compatible with
+the set of MC commands we intend to use on it.
+Also, print the version number through ethtool driver info.
+
+Signed-off-by: Catalin Neacsu <valentin-catalin.neacsu@nxp.com>
+Signed-off-by: Ioana Radulescu <ruxandra.radulescu@nxp.com>
+---
+ drivers/staging/fsl-dpaa2/mac/mac.c | 39 +++++++++++++++++++++++++++++++++++++
+ 1 file changed, 39 insertions(+)
+
+--- a/drivers/staging/fsl-dpaa2/mac/mac.c
++++ b/drivers/staging/fsl-dpaa2/mac/mac.c
+@@ -56,6 +56,8 @@ struct dpaa2_mac_priv {
+ 	struct fsl_mc_device		*mc_dev;
+ 	struct dpmac_attr		attr;
+ 	struct dpmac_link_state		old_state;
++	u16				dpmac_ver_major;
++	u16				dpmac_ver_minor;
+ };
+ 
+ /* TODO: fix the 10G modes, mapping can't be right:
+@@ -81,6 +83,14 @@ static phy_interface_t dpaa2_mac_iface_m
+ 	PHY_INTERFACE_MODE_XGMII,       /* DPMAC_ETH_IF_USXGMII */
+ };
+ 
++static int cmp_dpmac_ver(struct dpaa2_mac_priv *priv,
++			 u16 ver_major, u16 ver_minor)
++{
++	if (priv->dpmac_ver_major == ver_major)
++		return priv->dpmac_ver_minor - ver_minor;
++	return priv->dpmac_ver_major - ver_major;
++}
++
+ static void dpaa2_mac_link_changed(struct net_device *netdev)
+ {
+ 	struct phy_device	*phydev;
+@@ -154,6 +164,18 @@ static netdev_tx_t dpaa2_mac_drop_frame(
+ 	return NETDEV_TX_OK;
+ }
+ 
++static void dpaa2_mac_get_drvinfo(struct net_device *net_dev,
++				  struct ethtool_drvinfo *drvinfo)
++{
++	struct dpaa2_mac_priv *priv = netdev_priv(net_dev);
++
++	strlcpy(drvinfo->driver, KBUILD_MODNAME, sizeof(drvinfo->driver));
++	snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
++		 "%u.%u", priv->dpmac_ver_major, priv->dpmac_ver_minor);
++	strlcpy(drvinfo->bus_info, dev_name(net_dev->dev.parent->parent),
++		sizeof(drvinfo->bus_info));
++}
++
+ static int dpaa2_mac_get_link_ksettings(struct net_device *netdev,
+ 					struct ethtool_link_ksettings *ks)
+ {
+@@ -323,6 +345,7 @@ static const struct net_device_ops dpaa2
+ };
+ 
+ static const struct ethtool_ops dpaa2_mac_ethtool_ops = {
++	.get_drvinfo		= &dpaa2_mac_get_drvinfo,
+ 	.get_link_ksettings	= &dpaa2_mac_get_link_ksettings,
+ 	.set_link_ksettings	= &dpaa2_mac_set_link_ksettings,
+ 	.get_strings		= &dpaa2_mac_get_strings,
+@@ -510,6 +533,21 @@ static int dpaa2_mac_probe(struct fsl_mc
+ 		goto err_free_mcp;
+ 	}
+ 
++	err = dpmac_get_api_version(mc_dev->mc_io, 0, &priv->dpmac_ver_major,
++				    &priv->dpmac_ver_minor);
++	if (err) {
++		dev_err(dev, "dpmac_get_api_version failed\n");
++		goto err_version;
++	}
++
++	if (cmp_dpmac_ver(priv, DPMAC_VER_MAJOR, DPMAC_VER_MINOR) < 0) {
++		dev_err(dev, "DPMAC version %u.%u lower than supported %u.%u\n",
++			priv->dpmac_ver_major, priv->dpmac_ver_minor,
++			DPMAC_VER_MAJOR, DPMAC_VER_MINOR);
++		err = -ENOTSUPP;
++		goto err_version;
++	}
++
+ 	err = dpmac_get_attributes(mc_dev->mc_io, 0,
+ 				   mc_dev->mc_handle, &priv->attr);
+ 	if (err) {
+@@ -622,6 +660,7 @@ err_no_phy:
+ err_free_irq:
+ #endif
+ 	teardown_irqs(mc_dev);
++err_version:
+ err_close:
+ 	dpmac_close(mc_dev->mc_io, 0, mc_dev->mc_handle);
+ err_free_mcp: