layerscape: update patches-4.9 to LSDK1712

Patches changes
- Updated patches-4.9 to NXP LSDK1712 linux-4.9.
- Merged changes of patch 303 into integrated patch 201.
- Split changes of patch 706 into dpaa part and dpaa2
  part, and merged these changes into integrated patches
  701 and 705.
- Removed patch 819 since ehci-fsl driver could be compiled now.
- Refreshed these patches.

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

1 files changed, 168 insertions, 5 deletions

diff --git a/target/linux/layerscape/patches-4.9/803-cpufreq-support-layerscape.patch b/target/linux/layerscape/patches-4.9/803-cpufreq-support-layerscape.patch
index 2bc0f24f72..2da45b6cf0 100644
--- a/target/linux/layerscape/patches-4.9/803-cpufreq-support-layerscape.patch
+++ b/target/linux/layerscape/patches-4.9/803-cpufreq-support-layerscape.patch
@@ -1,9 +1,9 @@
-From a9ebdf9fa18fd317a4e97f46e8c5263898094864 Mon Sep 17 00:00:00 2001
+From b018e44a68dc2f4df819ae194e39e07313841dad Mon Sep 17 00:00:00 2001
 From: Yangbo Lu <yangbo.lu@nxp.com>
-Date: Mon, 25 Sep 2017 12:20:10 +0800
-Subject: [PATCH] cpufreq: support layerscape
+Date: Wed, 17 Jan 2018 15:27:58 +0800
+Subject: [PATCH 15/30] cpufreq: support layerscape
 
-This is a integrated patch for layerscape pm support.
+This is an integrated patch for layerscape pm support.
 
 Signed-off-by: Tang Yuantian <Yuantian.Tang@nxp.com>
 Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
@@ -11,7 +11,9 @@ Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
  drivers/cpufreq/Kconfig         |   2 +-
  drivers/cpufreq/qoriq-cpufreq.c | 176 +++++++++++++++-------------------------
  drivers/firmware/psci.c         |  12 ++-
- 3 files changed, 77 insertions(+), 113 deletions(-)
+ drivers/soc/fsl/rcpm.c          | 158 ++++++++++++++++++++++++++++++++++++
+ 4 files changed, 235 insertions(+), 113 deletions(-)
+ create mode 100644 drivers/soc/fsl/rcpm.c
 
 --- a/drivers/cpufreq/Kconfig
 +++ b/drivers/cpufreq/Kconfig
@@ -359,3 +361,164 @@ Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
  }
  
  /*
+--- /dev/null
++++ b/drivers/soc/fsl/rcpm.c
+@@ -0,0 +1,158 @@
++/*
++ * Run Control and Power Management (RCPM) driver
++ *
++ * Copyright 2016 NXP
++ *
++ * This program is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License as published by
++ * the Free Software Foundation; either version 2 of the License, or
++ * (at your option) any later version.
++ *
++ * This program is distributed in the hope that it will be useful,
++ * but WITHOUT ANY WARRANTY; without even the implied warranty of
++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
++ * GNU General Public License for more details.
++ *
++ */
++#define pr_fmt(fmt) "RCPM: %s: " fmt, __func__
++
++#include <linux/kernel.h>
++#include <linux/io.h>
++#include <linux/of_platform.h>
++#include <linux/of_address.h>
++#include <linux/suspend.h>
++
++/* RCPM register offset */
++#define RCPM_IPPDEXPCR0			0x140
++
++#define RCPM_WAKEUP_CELL_SIZE	2
++
++struct rcpm_config {
++	int ipp_num;
++	int ippdexpcr_offset;
++	u32 ippdexpcr[2];
++	void *rcpm_reg_base;
++};
++
++static struct rcpm_config *rcpm;
++
++static inline void rcpm_reg_write(u32 offset, u32 value)
++{
++	iowrite32be(value, rcpm->rcpm_reg_base + offset);
++}
++
++static inline u32 rcpm_reg_read(u32 offset)
++{
++	return ioread32be(rcpm->rcpm_reg_base + offset);
++}
++
++static void rcpm_wakeup_fixup(struct device *dev, void *data)
++{
++	struct device_node *node = dev ? dev->of_node : NULL;
++	u32 value[RCPM_WAKEUP_CELL_SIZE];
++	int ret, i;
++
++	if (!dev || !node || !device_may_wakeup(dev))
++		return;
++
++	/*
++	 * Get the values in the "rcpm-wakeup" property.
++	 * Three values are:
++	 * The first is a pointer to the RCPM node.
++	 * The second is the value of the ippdexpcr0 register.
++	 * The third is the value of the ippdexpcr1 register.
++	 */
++	ret = of_property_read_u32_array(node, "fsl,rcpm-wakeup",
++					 value, RCPM_WAKEUP_CELL_SIZE);
++	if (ret)
++		return;
++
++	pr_debug("wakeup source: the device %s\n", node->full_name);
++
++	for (i = 0; i < rcpm->ipp_num; i++)
++		rcpm->ippdexpcr[i] |= value[i + 1];
++}
++
++static int rcpm_suspend_prepare(void)
++{
++	int i;
++	u32 val;
++
++	BUG_ON(!rcpm);
++
++	for (i = 0; i < rcpm->ipp_num; i++)
++		rcpm->ippdexpcr[i] = 0;
++
++	dpm_for_each_dev(NULL, rcpm_wakeup_fixup);
++
++	for (i = 0; i < rcpm->ipp_num; i++) {
++		if (rcpm->ippdexpcr[i]) {
++			val = rcpm_reg_read(rcpm->ippdexpcr_offset + 4 * i);
++			rcpm_reg_write(rcpm->ippdexpcr_offset + 4 * i,
++					       val | rcpm->ippdexpcr[i]);
++			pr_debug("ippdexpcr%d = 0x%x\n", i, rcpm->ippdexpcr[i]);
++		}
++	}
++
++	return 0;
++}
++
++static int rcpm_suspend_notifier_call(struct notifier_block *bl,
++				      unsigned long state,
++				      void *unused)
++{
++	switch (state) {
++	case PM_SUSPEND_PREPARE:
++		rcpm_suspend_prepare();
++		break;
++	}
++
++	return NOTIFY_DONE;
++}
++
++static struct rcpm_config rcpm_default_config = {
++	.ipp_num = 1,
++	.ippdexpcr_offset = RCPM_IPPDEXPCR0,
++};
++
++static const struct of_device_id rcpm_matches[] = {
++	{
++		.compatible = "fsl,qoriq-rcpm-2.1",
++		.data = &rcpm_default_config,
++	},
++	{}
++};
++
++static struct notifier_block rcpm_suspend_notifier = {
++	.notifier_call = rcpm_suspend_notifier_call,
++};
++
++static int __init layerscape_rcpm_init(void)
++{
++	const struct of_device_id *match;
++	struct device_node *np;
++
++	np = of_find_matching_node_and_match(NULL, rcpm_matches, &match);
++	if (!np) {
++		pr_err("Can't find the RCPM node.\n");
++		return -EINVAL;
++	}
++
++	if (match->data)
++		rcpm = (struct rcpm_config *)match->data;
++	else
++		return -EINVAL;
++
++	rcpm->rcpm_reg_base = of_iomap(np, 0);
++	of_node_put(np);
++	if (!rcpm->rcpm_reg_base)
++		return -ENOMEM;
++
++	register_pm_notifier(&rcpm_suspend_notifier);
++
++	pr_info("The RCPM driver initialized.\n");
++
++	return 0;
++}
++
++subsys_initcall(layerscape_rcpm_init);