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, 60 insertions, 0 deletions

diff --git a/target/linux/layerscape/patches-5.4/701-net-0341-LF-368-net-mscc-ocelot-add-VCAP-IS2-rule-to-trap-PTP.patch b/target/linux/layerscape/patches-5.4/701-net-0341-LF-368-net-mscc-ocelot-add-VCAP-IS2-rule-to-trap-PTP.patch
new file mode 100644
index 0000000000..af80b9f666
--- /dev/null
+++ b/target/linux/layerscape/patches-5.4/701-net-0341-LF-368-net-mscc-ocelot-add-VCAP-IS2-rule-to-trap-PTP.patch
@@ -0,0 +1,60 @@
+From 67ca04147efac6cac3f7490c61c817a84daada57 Mon Sep 17 00:00:00 2001
+From: Yangbo Lu <yangbo.lu@nxp.com>
+Date: Thu, 28 Nov 2019 14:42:44 +0800
+Subject: [PATCH] LF-368 net: mscc: ocelot: add VCAP IS2 rule to trap PTP
+ Ethernet frames
+
+All the PTP messages over Ethernet have etype 0x88f7 on them.
+Use etype as the key to trap PTP messages.
+
+Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
+---
+ drivers/net/ethernet/mscc/ocelot.c | 23 +++++++++++++++++++++++
+ 1 file changed, 23 insertions(+)
+
+--- a/drivers/net/ethernet/mscc/ocelot.c
++++ b/drivers/net/ethernet/mscc/ocelot.c
+@@ -2338,6 +2338,20 @@ void ocelot_set_cpu_port(struct ocelot *
+ }
+ EXPORT_SYMBOL(ocelot_set_cpu_port);
+ 
++/* Entry for PTP over Ethernet (etype 0x88f7)
++ * Action: trap to CPU port
++ */
++static struct ocelot_ace_rule ptp_rule = {
++	.prio		= 1,
++	.type		= OCELOT_ACE_TYPE_ETYPE,
++	.dmac_mc	= OCELOT_VCAP_BIT_1,
++	.action		= OCELOT_ACL_ACTION_TRAP,
++	.frame.etype.etype.value[0]	= 0x88,
++	.frame.etype.etype.value[1]	= 0xf7,
++	.frame.etype.etype.mask[0]	= 0xff,
++	.frame.etype.etype.mask[1]	= 0xff,
++};
++
+ int ocelot_init(struct ocelot *ocelot)
+ {
+ 	char queue_name[32];
+@@ -2475,6 +2489,13 @@ int ocelot_init(struct ocelot *ocelot)
+ 				"Timestamp initialization failed\n");
+ 			return ret;
+ 		}
++
++		/* Available on all ingress port except CPU port */
++		ptp_rule.ocelot = ocelot;
++		ptp_rule.ingress_port_mask =
++			GENMASK(ocelot->num_phys_ports - 1, 0);
++		ptp_rule.ingress_port_mask &= ~BIT(ocelot->cpu);
++		ocelot_ace_rule_offload_add(&ptp_rule);
+ 	}
+ 
+ 	return 0;
+@@ -2489,6 +2510,8 @@ void ocelot_deinit(struct ocelot *ocelot
+ 	cancel_delayed_work(&ocelot->stats_work);
+ 	destroy_workqueue(ocelot->stats_queue);
+ 	mutex_destroy(&ocelot->stats_lock);
++	if (ocelot->ptp)
++		ocelot_ace_rule_offload_del(&ptp_rule);
+ 	ocelot_ace_deinit();
+ 	if (ocelot->ptp_clock)
+ 		ptp_clock_unregister(ocelot->ptp_clock);