From 3362d9fb3a94d0909b79c290abc8db6abe4cca21 Mon Sep 17 00:00:00 2001
From: Ludovic Pouzenc <ludovic@pouzenc.fr>
Date: Fri, 14 Sep 2018 22:25:09 +0200
Subject: target/linux : drop many arch

---
 .../006-arm-add-fa-watchdog-driver.patch           | 458 ---------------------
 1 file changed, 458 deletions(-)
 delete mode 100644 target/linux/cns21xx/patches-3.10/006-arm-add-fa-watchdog-driver.patch

(limited to 'target/linux/cns21xx/patches-3.10/006-arm-add-fa-watchdog-driver.patch')

diff --git a/target/linux/cns21xx/patches-3.10/006-arm-add-fa-watchdog-driver.patch b/target/linux/cns21xx/patches-3.10/006-arm-add-fa-watchdog-driver.patch
deleted file mode 100644
index 2542794..0000000
--- a/target/linux/cns21xx/patches-3.10/006-arm-add-fa-watchdog-driver.patch
+++ /dev/null
@@ -1,458 +0,0 @@
---- a/drivers/watchdog/Kconfig
-+++ b/drivers/watchdog/Kconfig
-@@ -391,6 +391,13 @@ config RETU_WATCHDOG
- 	  To compile this driver as a module, choose M here: the
- 	  module will be called retu_wdt.
- 
-+config FA_WATCHDOG
-+	tristate "Faraday watchdog"
-+	depends on ARCH_GEMINI
-+	help
-+	  Say Y here if you want support for the built-in watchdog timer
-+	  found in some Faraday FA526 based SoCs.
-+
- # AVR32 Architecture
- 
- config AT32AP700X_WDT
---- a/drivers/watchdog/Makefile
-+++ b/drivers/watchdog/Makefile
-@@ -54,6 +54,7 @@ obj-$(CONFIG_TS72XX_WATCHDOG) += ts72xx_
- obj-$(CONFIG_IMX2_WDT) += imx2_wdt.o
- obj-$(CONFIG_UX500_WATCHDOG) += ux500_wdt.o
- obj-$(CONFIG_RETU_WATCHDOG) += retu_wdt.o
-+obj-$(CONFIG_FA_WATCHDOG) += fa_wdt.o
- 
- # AVR32 Architecture
- obj-$(CONFIG_AT32AP700X_WDT) += at32ap700x_wdt.o
---- /dev/null
-+++ b/drivers/watchdog/fa_wdt.c
-@@ -0,0 +1,413 @@
-+/*
-+ *  Watchdog driver for SoCs based on the Faraday FA526 core
-+ *
-+ *  Copyright (C) 2009 Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
-+ *  Copyright (C) 2010-2012 Gabor Juhos <juhosg@openwrt.org>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+#include <linux/kernel.h>
-+#include <linux/module.h>
-+#include <linux/init.h>
-+#include <linux/io.h>
-+#include <linux/fs.h>
-+#include <linux/notifier.h>
-+#include <linux/reboot.h>
-+#include <linux/uaccess.h>
-+#include <linux/miscdevice.h>
-+#include <linux/platform_device.h>
-+#include <linux/watchdog.h>
-+#include <linux/slab.h>
-+#include <linux/fa_wdt.h>
-+
-+#define FA_WDCOUNTER		0x0
-+#define FA_WDLOAD		0x4
-+#define FA_WDRESTART		0x8
-+
-+#define WDRESTART_MAGIC		0x5AB9
-+
-+#define FA_WDCR			0xC
-+
-+#define WDCR_CLOCK_5MHZ		(1 << 4)
-+#define WDCR_SYS_RST		(1 << 1)
-+#define WDCR_ENABLE		(1 << 0)
-+
-+#define WDT_DEFAULT_TIMEOUT	13
-+
-+/* status bits */
-+#define WDT_ACTIVE		0
-+#define WDT_OK_TO_CLOSE		1
-+
-+static unsigned int timeout = WDT_DEFAULT_TIMEOUT;
-+static int nowayout = WATCHDOG_NOWAYOUT;
-+
-+static DEFINE_SPINLOCK(fa_wdt_lock);
-+
-+static struct platform_device *fa_wdt_dev;
-+
-+struct fa_wdt_struct {
-+	struct resource		*res;
-+	struct device		*dev;
-+	void __iomem		*base;
-+	unsigned long		status;
-+	unsigned int		clock;
-+	unsigned int		max_timeout;
-+};
-+
-+static const struct watchdog_info fa_wdt_info = {
-+	.identity	= "Faraday watchdog",
-+	.options	= WDIOF_MAGICCLOSE | WDIOF_KEEPALIVEPING |
-+			  WDIOF_SETTIMEOUT,
-+};
-+
-+/* Disable the watchdog. */
-+static void fa_wdt_stop(struct fa_wdt_struct *fa_wdt)
-+{
-+	spin_lock(&fa_wdt_lock);
-+
-+	__raw_writel(0, fa_wdt->base + FA_WDCR);
-+
-+	clear_bit(WDT_ACTIVE, &fa_wdt->status);
-+
-+	spin_unlock(&fa_wdt_lock);
-+}
-+
-+/* Service the watchdog */
-+static void fa_wdt_service(struct fa_wdt_struct *fa_wdt)
-+{
-+	__raw_writel(WDRESTART_MAGIC, fa_wdt->base + FA_WDRESTART);
-+}
-+
-+/* Enable and reset the watchdog. */
-+static void fa_wdt_start(struct fa_wdt_struct *fa_wdt)
-+{
-+	spin_lock(&fa_wdt_lock);
-+
-+	__raw_writel(timeout * fa_wdt->clock,
-+		     fa_wdt->base + FA_WDLOAD);
-+
-+	fa_wdt_service(fa_wdt);
-+
-+	/* set clock before enabling */
-+	__raw_writel(WDCR_CLOCK_5MHZ | WDCR_SYS_RST,
-+			fa_wdt->base + FA_WDCR);
-+
-+	__raw_writel(WDCR_CLOCK_5MHZ | WDCR_SYS_RST | WDCR_ENABLE,
-+			fa_wdt->base + FA_WDCR);
-+
-+	set_bit(WDT_ACTIVE, &fa_wdt->status);
-+
-+	spin_unlock(&fa_wdt_lock);
-+}
-+
-+/* Watchdog device is opened, and watchdog starts running. */
-+static int fa_wdt_open(struct inode *inode, struct file *file)
-+{
-+	struct fa_wdt_struct *fa_wdt = platform_get_drvdata(fa_wdt_dev);
-+
-+	if (test_bit(WDT_ACTIVE, &fa_wdt->status))
-+		return -EBUSY;
-+
-+	file->private_data = fa_wdt;
-+
-+	fa_wdt_start(fa_wdt);
-+
-+	return nonseekable_open(inode, file);
-+}
-+
-+/* Close the watchdog device. */
-+static int fa_wdt_close(struct inode *inode, struct file *file)
-+{
-+	struct fa_wdt_struct *fa_wdt = file->private_data;
-+
-+	/* Disable the watchdog if possible */
-+	if (test_bit(WDT_OK_TO_CLOSE, &fa_wdt->status))
-+		fa_wdt_stop(fa_wdt);
-+	else
-+		dev_warn(fa_wdt->dev, "Device closed unexpectedly - timer will not stop\n");
-+
-+	return 0;
-+}
-+
-+/* Handle commands from user-space. */
-+static long fa_wdt_ioctl(struct file *file, unsigned int cmd,
-+			 unsigned long arg)
-+{
-+	struct fa_wdt_struct *fa_wdt = file->private_data;
-+
-+	int value;
-+
-+	switch (cmd) {
-+	case WDIOC_KEEPALIVE:
-+		fa_wdt_service(fa_wdt);
-+		return 0;
-+
-+	case WDIOC_GETSUPPORT:
-+		return copy_to_user((struct watchdog_info *)arg, &fa_wdt_info,
-+			sizeof(fa_wdt_info)) ? -EFAULT : 0;
-+
-+	case WDIOC_SETTIMEOUT:
-+		if (get_user(value, (int *)arg))
-+			return -EFAULT;
-+
-+		if ((value < 1) || (value > fa_wdt->max_timeout))
-+			return -EINVAL;
-+
-+		timeout = value;
-+
-+		/* restart wdt to use new timeout */
-+		fa_wdt_stop(fa_wdt);
-+		fa_wdt_start(fa_wdt);
-+
-+		/* Fall through */
-+	case WDIOC_GETTIMEOUT:
-+		return put_user(timeout, (int *)arg);
-+
-+	case WDIOC_GETTIMELEFT:
-+		value = __raw_readl(fa_wdt->base + FA_WDCOUNTER);
-+		return put_user(value / fa_wdt->clock, (int *)arg);
-+
-+	default:
-+		return -ENOTTY;
-+	}
-+}
-+
-+/* Refresh the watchdog whenever device is written to. */
-+static ssize_t fa_wdt_write(struct file *file, const char *data,
-+			    size_t len, loff_t *ppos)
-+{
-+	struct fa_wdt_struct *fa_wdt = file->private_data;
-+
-+	if (len) {
-+		if (!nowayout) {
-+			size_t i;
-+
-+			clear_bit(WDT_OK_TO_CLOSE, &fa_wdt->status);
-+			for (i = 0; i != len; i++) {
-+				char c;
-+
-+				if (get_user(c, data + i))
-+					return -EFAULT;
-+				if (c == 'V')
-+					set_bit(WDT_OK_TO_CLOSE,
-+						&fa_wdt->status);
-+			}
-+		}
-+		fa_wdt_service(fa_wdt);
-+	}
-+
-+	return len;
-+}
-+
-+static int fa_wdt_notify_sys(struct notifier_block *this,
-+			     unsigned long code, void *unused)
-+{
-+	struct fa_wdt_struct *fa_wdt = platform_get_drvdata(fa_wdt_dev);
-+
-+	if (code == SYS_DOWN || code == SYS_HALT)
-+		fa_wdt_stop(fa_wdt);
-+
-+	return NOTIFY_DONE;
-+}
-+
-+static struct notifier_block fa_wdt_notifier = {
-+	.notifier_call = fa_wdt_notify_sys,
-+};
-+
-+static const struct file_operations fa_wdt_fops = {
-+	.owner		= THIS_MODULE,
-+	.llseek		= no_llseek,
-+	.unlocked_ioctl	= fa_wdt_ioctl,
-+	.open		= fa_wdt_open,
-+	.release	= fa_wdt_close,
-+	.write		= fa_wdt_write,
-+};
-+
-+static struct miscdevice fa_wdt_miscdev = {
-+	.minor		= WATCHDOG_MINOR,
-+	.name		= "watchdog",
-+	.fops		= &fa_wdt_fops,
-+};
-+
-+static void fa_wdt_shutdown(struct platform_device *pdev)
-+{
-+	struct fa_wdt_struct *fa_wdt = platform_get_drvdata(pdev);
-+
-+	fa_wdt_stop(fa_wdt);
-+}
-+
-+static int fa_wdt_probe(struct platform_device *pdev)
-+{
-+	int ret;
-+	int res_size;
-+	struct resource *res;
-+	void __iomem *base;
-+	struct fa_wdt_struct *fa_wdt;
-+	struct fa_wdt_platform_data *pdata;
-+
-+	pdata = pdev->dev.platform_data;
-+	if (!pdata) {
-+		dev_err(&pdev->dev, "no platform data specified\n");
-+		return -EINVAL;
-+	}
-+
-+	if (!pdata->clock) {
-+		dev_err(&pdev->dev, "invalid clock value\n");
-+		return -EINVAL;
-+	}
-+
-+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-+	if (!res) {
-+		dev_err(&pdev->dev, "can't get device resources\n");
-+		return -ENODEV;
-+	}
-+
-+	res_size = resource_size(res);
-+	if (!request_mem_region(res->start, res_size, res->name)) {
-+		dev_err(&pdev->dev, "can't allocate %d bytes at %d address\n",
-+			res_size, res->start);
-+		return -ENOMEM;
-+	}
-+
-+	base = ioremap(res->start, res_size);
-+	if (!base) {
-+		dev_err(&pdev->dev, "ioremap failed\n");
-+		ret = -EIO;
-+		goto fail0;
-+	}
-+
-+	fa_wdt = kzalloc(sizeof(struct fa_wdt_struct), GFP_KERNEL);
-+	if (!fa_wdt) {
-+		dev_err(&pdev->dev, "can't allocate interface\n");
-+		ret = -ENOMEM;
-+		goto fail1;
-+	}
-+
-+	/* Setup fa_wdt driver structure */
-+	fa_wdt->base = base;
-+	fa_wdt->res = res;
-+	fa_wdt->dev = &pdev->dev;
-+	fa_wdt->clock = pdata->clock;
-+	fa_wdt->max_timeout = 0xffffffffU / pdata->clock;
-+
-+	/* Set up platform driver data */
-+	platform_set_drvdata(pdev, fa_wdt);
-+	fa_wdt_dev = pdev;
-+
-+	if (fa_wdt_miscdev.parent) {
-+		ret = -EBUSY;
-+		goto fail2;
-+	}
-+
-+	ret = register_reboot_notifier(&fa_wdt_notifier);
-+	if (ret)
-+		goto fail2;
-+
-+	fa_wdt_miscdev.parent = &pdev->dev;
-+
-+	ret = misc_register(&fa_wdt_miscdev);
-+	if (ret)
-+		goto fail3;
-+
-+	return 0;
-+
-+fail3:
-+	unregister_reboot_notifier(&fa_wdt_notifier);
-+fail2:
-+	platform_set_drvdata(pdev, NULL);
-+	kfree(fa_wdt);
-+fail1:
-+	iounmap(base);
-+fail0:
-+	release_mem_region(res->start, res_size);
-+
-+	return ret;
-+}
-+
-+static int fa_wdt_remove(struct platform_device *pdev)
-+{
-+	struct fa_wdt_struct *fa_wdt = platform_get_drvdata(pdev);
-+
-+	platform_set_drvdata(pdev, NULL);
-+	misc_deregister(&fa_wdt_miscdev);
-+	unregister_reboot_notifier(&fa_wdt_notifier);
-+	fa_wdt_dev = NULL;
-+	iounmap(fa_wdt->base);
-+	release_mem_region(fa_wdt->res->start, resource_size(fa_wdt->res));
-+
-+	kfree(fa_wdt);
-+
-+	return 0;
-+}
-+
-+#ifdef CONFIG_PM
-+static int fa_wdt_suspend(struct platform_device *pdev, pm_message_t message)
-+{
-+	struct fa_wdt_struct *fa_wdt = platform_get_drvdata(pdev);
-+	unsigned int reg;
-+
-+	reg = __raw_readw(fa_wdt->base + FA_WDCR);
-+	reg &= ~(WDCR_WDENABLE);
-+	__raw_writel(reg, fa_wdt->base + FA_WDCR);
-+
-+	return 0;
-+}
-+
-+static int fa_wdt_resume(struct platform_device *pdev)
-+{
-+	struct fa_wdt_struct *fa_wdt = platform_get_drvdata(pdev);
-+	unsigned int reg;
-+
-+	if (fa_wdt->status) {
-+		reg = __raw_readw(fa_wdt->base + FA_WDCR);
-+		reg |= WDCR_WDENABLE;
-+		__raw_writel(reg, fa_wdt->base + FA_WDCR);
-+	}
-+
-+	return 0;
-+}
-+#else
-+#define fa_wdt_suspend	NULL
-+#define fa_wdt_resume	NULL
-+#endif
-+
-+static struct platform_driver fa_wdt_driver = {
-+	.probe		= fa_wdt_probe,
-+	.remove		= fa_wdt_remove,
-+	.shutdown	= fa_wdt_shutdown,
-+	.suspend	= fa_wdt_suspend,
-+	.resume		= fa_wdt_resume,
-+	.driver		= {
-+		.name	= "fa-wdt",
-+		.owner	= THIS_MODULE,
-+	},
-+};
-+
-+static int __init fa_wdt_init(void)
-+{
-+	return platform_driver_probe(&fa_wdt_driver, fa_wdt_probe);
-+}
-+
-+static void __exit fa_wdt_exit(void)
-+{
-+	platform_driver_unregister(&fa_wdt_driver);
-+}
-+
-+module_init(fa_wdt_init);
-+module_exit(fa_wdt_exit);
-+
-+module_param(timeout, uint, 0);
-+MODULE_PARM_DESC(timeout, "Watchdog timeout in seconds");
-+
-+module_param(nowayout, int, 0);
-+MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started");
-+
-+MODULE_AUTHOR("Paulius Zaleckas");
-+MODULE_AUTHOR("Gabor Juhos");
-+MODULE_DESCRIPTION("Watchdog driver for Faraday FA526 based SoCs");
-+MODULE_LICENSE("GPL v2");
-+MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
-+MODULE_ALIAS("platform:fa-wdt");
---- /dev/null
-+++ b/include/linux/fa_wdt.h
-@@ -0,0 +1,13 @@
-+/*
-+ * Platform data definition for the Faraday watchdog driver
-+ */
-+
-+#ifndef _FA_WDT_H
-+#define _FA_WDT_H
-+
-+struct fa_wdt_platform_data {
-+	unsigned int	clock;
-+};
-+
-+#endif /* _FA_WDT_H */
-+
-- 
cgit v1.1