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, 142 insertions, 0 deletions

diff --git a/target/linux/layerscape/patches-5.4/701-net-0204-dpaa2-eth-Add-Tx-shaping-support.patch b/target/linux/layerscape/patches-5.4/701-net-0204-dpaa2-eth-Add-Tx-shaping-support.patch
new file mode 100644
index 0000000000..e1354b10a7
--- /dev/null
+++ b/target/linux/layerscape/patches-5.4/701-net-0204-dpaa2-eth-Add-Tx-shaping-support.patch
@@ -0,0 +1,142 @@
+From ef0cc7d01f3eeca37c6bf864903af1c0cf0a792d Mon Sep 17 00:00:00 2001
+From: Ioana Radulescu <ruxandra.radulescu@nxp.com>
+Date: Fri, 5 May 2017 18:11:08 +0300
+Subject: [PATCH] dpaa2-eth: Add Tx shaping support
+
+Add support in sysfs for controlling DPNI Tx shaping
+parameters: rate limit (in Mbps) and max burst size (in bytes).
+The settings are per port.
+
+TODO: See how to integrate Tx shaping support using
+standard Linux tools (ethtool)
+
+Signed-off-by: Ioana Radulescu <ruxandra.radulescu@nxp.com>
+Signed-off-by: Bogdan Purcareata <bogdan.purcareata@nxp.com>
+---
+ drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c | 80 ++++++++++++++++++++++++
+ drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h |  4 ++
+ 2 files changed, 84 insertions(+)
+
+--- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
++++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
+@@ -3771,6 +3771,83 @@ const struct dcbnl_rtnl_ops dpaa2_eth_dc
+ };
+ #endif
+ 
++/* SysFS support */
++static ssize_t dpaa2_eth_show_tx_shaping(struct device *dev,
++					 struct device_attribute *attr,
++					 char *buf)
++{
++	struct dpaa2_eth_priv *priv = netdev_priv(to_net_dev(dev));
++	/* No MC API for getting the shaping config. We're stateful. */
++	struct dpni_tx_shaping_cfg *scfg = &priv->shaping_cfg;
++
++	return sprintf(buf, "%u %hu\n", scfg->rate_limit, scfg->max_burst_size);
++}
++
++static ssize_t dpaa2_eth_write_tx_shaping(struct device *dev,
++					  struct device_attribute *attr,
++					  const char *buf,
++					  size_t count)
++{
++	int err, items;
++	struct dpaa2_eth_priv *priv = netdev_priv(to_net_dev(dev));
++	struct dpni_tx_shaping_cfg scfg;
++
++	items = sscanf(buf, "%u %hu", &scfg.rate_limit, &scfg.max_burst_size);
++	if (items != 2) {
++		pr_err("Expected format: \"rate_limit(Mbps) max_burst_size(bytes)\"\n");
++		return -EINVAL;
++	}
++	/* Size restriction as per MC API documentation */
++	if (scfg.max_burst_size > DPAA2_ETH_MAX_BURST_SIZE) {
++		pr_err("max_burst_size must be <= %d\n",
++		       DPAA2_ETH_MAX_BURST_SIZE);
++		return -EINVAL;
++	}
++
++	err = dpni_set_tx_shaping(priv->mc_io, 0, priv->mc_token, &scfg);
++	if (err) {
++		dev_err(dev, "dpni_set_tx_shaping() failed\n");
++		return -EPERM;
++	}
++	/* If successful, save the current configuration for future inquiries */
++	priv->shaping_cfg = scfg;
++
++	return count;
++}
++
++static struct device_attribute dpaa2_eth_attrs[] = {
++	__ATTR(tx_shaping,
++	       0600,
++	       dpaa2_eth_show_tx_shaping,
++	       dpaa2_eth_write_tx_shaping),
++};
++
++static void dpaa2_eth_sysfs_init(struct device *dev)
++{
++	int i, err;
++
++	for (i = 0; i < ARRAY_SIZE(dpaa2_eth_attrs); i++) {
++		err = device_create_file(dev, &dpaa2_eth_attrs[i]);
++		if (err) {
++			dev_err(dev, "ERROR creating sysfs file\n");
++			goto undo;
++		}
++	}
++	return;
++
++undo:
++	while (i > 0)
++		device_remove_file(dev, &dpaa2_eth_attrs[--i]);
++}
++
++static void dpaa2_eth_sysfs_remove(struct device *dev)
++{
++	int i;
++
++	for (i = 0; i < ARRAY_SIZE(dpaa2_eth_attrs); i++)
++		device_remove_file(dev, &dpaa2_eth_attrs[i]);
++}
++
+ static int dpaa2_eth_probe(struct fsl_mc_device *dpni_dev)
+ {
+ 	struct device *dev;
+@@ -3890,6 +3967,7 @@ static int dpaa2_eth_probe(struct fsl_mc
+ #ifdef CONFIG_DEBUG_FS
+ 	dpaa2_dbg_add(priv);
+ #endif
++	dpaa2_eth_sysfs_init(&net_dev->dev);
+ 
+ 	dev_info(dev, "Probed interface %s\n", net_dev->name);
+ 	return 0;
+@@ -3937,6 +4015,8 @@ static int dpaa2_eth_remove(struct fsl_m
+ #ifdef CONFIG_DEBUG_FS
+ 	dpaa2_dbg_remove(priv);
+ #endif
++	dpaa2_eth_sysfs_remove(&net_dev->dev);
++
+ 	unregister_netdev(net_dev);
+ 
+ 	if (priv->do_link_poll)
+--- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h
++++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h
+@@ -42,6 +42,9 @@
+  */
+ #define DPAA2_ETH_FQ_TAILDROP_THRESH	(1024 * 1024)
+ 
++/* Maximum burst size value for Tx shaping */
++#define DPAA2_ETH_MAX_BURST_SIZE	0xF7FF
++
+ /* Maximum number of Tx confirmation frames to be processed
+  * in a single NAPI call
+  */
+@@ -444,6 +447,7 @@ struct dpaa2_eth_priv {
+ #ifdef CONFIG_DEBUG_FS
+ 	struct dpaa2_debugfs dbg;
+ #endif
++	struct dpni_tx_shaping_cfg shaping_cfg;
+ };
+ 
+ #define DPAA2_RXH_SUPPORTED	(RXH_L2DA | RXH_VLAN | RXH_L3_PROTO \