target/linux : drop many arch

1 files changed, 0 insertions, 410 deletions

diff --git a/target/linux/gemini/patches-3.10/110-watchdog-add-gemini_wdt-driver.patch b/target/linux/gemini/patches-3.10/110-watchdog-add-gemini_wdt-driver.patch
deleted file mode 100644
index 31a6896..0000000
--- a/target/linux/gemini/patches-3.10/110-watchdog-add-gemini_wdt-driver.patch
+++ /dev/null
@@ -1,410 +0,0 @@
---- /dev/null
-+++ b/drivers/watchdog/gemini_wdt.c
-@@ -0,0 +1,378 @@
-+/*
-+ *  Watchdog driver for Cortina Systems Gemini SoC
-+ *
-+ *  Copyright (C) 2009 Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
-+ *
-+ * 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/init.h>
-+#include <linux/module.h>
-+#include <linux/io.h>
-+#include <linux/fs.h>
-+#include <linux/uaccess.h>
-+#include <linux/miscdevice.h>
-+#include <linux/platform_device.h>
-+#include <linux/watchdog.h>
-+#include <linux/slab.h>
-+
-+#define GEMINI_WDCOUNTER	0x0
-+#define GEMINI_WDLOAD		0x4
-+#define GEMINI_WDRESTART	0x8
-+
-+#define WDRESTART_MAGIC		0x5AB9
-+
-+#define GEMINI_WDCR		0xC
-+
-+#define WDCR_CLOCK_5MHZ		(1 << 4)
-+#define WDCR_SYS_RST		(1 << 1)
-+#define WDCR_ENABLE		(1 << 0)
-+
-+#define WDT_CLOCK		5000000		/* 5 MHz */
-+#define WDT_DEFAULT_TIMEOUT	13
-+#define WDT_MAX_TIMEOUT		(0xFFFFFFFF / WDT_CLOCK)
-+
-+/* 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(gemini_wdt_lock);
-+
-+static struct platform_device *gemini_wdt_dev;
-+
-+struct gemini_wdt_struct {
-+	struct resource		*res;
-+	struct device		*dev;
-+	void __iomem		*base;
-+	unsigned long		status;
-+};
-+
-+static struct watchdog_info gemini_wdt_info = {
-+	.identity	= "Gemini watchdog",
-+	.options	= WDIOF_MAGICCLOSE | WDIOF_KEEPALIVEPING |
-+			  WDIOF_SETTIMEOUT,
-+};
-+
-+/* Disable the watchdog. */
-+static void gemini_wdt_stop(struct gemini_wdt_struct *gemini_wdt)
-+{
-+	spin_lock(&gemini_wdt_lock);
-+
-+	__raw_writel(0, gemini_wdt->base + GEMINI_WDCR);
-+
-+	clear_bit(WDT_ACTIVE, &gemini_wdt->status);
-+
-+	spin_unlock(&gemini_wdt_lock);
-+}
-+
-+/* Service the watchdog */
-+static void gemini_wdt_service(struct gemini_wdt_struct *gemini_wdt)
-+{
-+	__raw_writel(WDRESTART_MAGIC, gemini_wdt->base + GEMINI_WDRESTART);
-+}
-+
-+/* Enable and reset the watchdog. */
-+static void gemini_wdt_start(struct gemini_wdt_struct *gemini_wdt)
-+{
-+	spin_lock(&gemini_wdt_lock);
-+
-+	__raw_writel(timeout * WDT_CLOCK, gemini_wdt->base + GEMINI_WDLOAD);
-+
-+	gemini_wdt_service(gemini_wdt);
-+
-+	/* set clock before enabling */
-+	__raw_writel(WDCR_CLOCK_5MHZ | WDCR_SYS_RST,
-+			gemini_wdt->base + GEMINI_WDCR);
-+
-+	__raw_writel(WDCR_CLOCK_5MHZ | WDCR_SYS_RST | WDCR_ENABLE,
-+			gemini_wdt->base + GEMINI_WDCR);
-+
-+	set_bit(WDT_ACTIVE, &gemini_wdt->status);
-+
-+	spin_unlock(&gemini_wdt_lock);
-+}
-+
-+/* Watchdog device is opened, and watchdog starts running. */
-+static int gemini_wdt_open(struct inode *inode, struct file *file)
-+{
-+	struct gemini_wdt_struct *gemini_wdt = platform_get_drvdata(gemini_wdt_dev);
-+
-+	if (test_bit(WDT_ACTIVE, &gemini_wdt->status))
-+		return -EBUSY;
-+
-+	file->private_data = gemini_wdt;
-+
-+	gemini_wdt_start(gemini_wdt);
-+
-+	return nonseekable_open(inode, file);
-+}
-+
-+/* Close the watchdog device. */
-+static int gemini_wdt_close(struct inode *inode, struct file *file)
-+{
-+	struct gemini_wdt_struct *gemini_wdt = file->private_data;
-+
-+	/* Disable the watchdog if possible */
-+	if (test_bit(WDT_OK_TO_CLOSE, &gemini_wdt->status))
-+		gemini_wdt_stop(gemini_wdt);
-+	else
-+		dev_warn(gemini_wdt->dev, "Device closed unexpectedly - timer will not stop\n");
-+
-+	return 0;
-+}
-+
-+/* Handle commands from user-space. */
-+static long gemini_wdt_ioctl(struct file *file, unsigned int cmd,
-+			     unsigned long arg)
-+{
-+	struct gemini_wdt_struct *gemini_wdt = file->private_data;
-+
-+	int value;
-+
-+	switch (cmd) {
-+	case WDIOC_KEEPALIVE:
-+		gemini_wdt_service(gemini_wdt);
-+		return 0;
-+
-+	case WDIOC_GETSUPPORT:
-+		return copy_to_user((struct watchdog_info *)arg, &gemini_wdt_info,
-+			sizeof(gemini_wdt_info)) ? -EFAULT : 0;
-+
-+	case WDIOC_SETTIMEOUT:
-+		if (get_user(value, (int *)arg))
-+			return -EFAULT;
-+
-+		if ((value < 1) || (value > WDT_MAX_TIMEOUT))
-+			return -EINVAL;
-+
-+		timeout = value;
-+
-+		/* restart wdt to use new timeout */
-+		gemini_wdt_stop(gemini_wdt);
-+		gemini_wdt_start(gemini_wdt);
-+
-+		/* Fall through */
-+	case WDIOC_GETTIMEOUT:
-+		return put_user(timeout, (int *)arg);
-+
-+	case WDIOC_GETTIMELEFT:
-+		value = __raw_readl(gemini_wdt->base + GEMINI_WDCOUNTER);
-+		return put_user(value / WDT_CLOCK, (int *)arg);
-+
-+	default:
-+		return -ENOTTY;
-+	}
-+}
-+
-+/* Refresh the watchdog whenever device is written to. */
-+static ssize_t gemini_wdt_write(struct file *file, const char *data,
-+						size_t len, loff_t *ppos)
-+{
-+	struct gemini_wdt_struct *gemini_wdt = file->private_data;
-+
-+	if (len) {
-+		if (!nowayout) {
-+			size_t i;
-+
-+			clear_bit(WDT_OK_TO_CLOSE, &gemini_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,
-+						&gemini_wdt->status);
-+			}
-+		}
-+		gemini_wdt_service(gemini_wdt);
-+	}
-+
-+	return len;
-+}
-+
-+static const struct file_operations gemini_wdt_fops = {
-+	.owner		= THIS_MODULE,
-+	.llseek		= no_llseek,
-+	.unlocked_ioctl = gemini_wdt_ioctl,
-+	.open		= gemini_wdt_open,
-+	.release	= gemini_wdt_close,
-+	.write		= gemini_wdt_write,
-+};
-+
-+static struct miscdevice gemini_wdt_miscdev = {
-+	.minor		= WATCHDOG_MINOR,
-+	.name		= "watchdog",
-+	.fops		= &gemini_wdt_fops,
-+};
-+
-+static void gemini_wdt_shutdown(struct platform_device *pdev)
-+{
-+	struct gemini_wdt_struct *gemini_wdt = platform_get_drvdata(pdev);
-+
-+	gemini_wdt_stop(gemini_wdt);
-+}
-+
-+static int gemini_wdt_probe(struct platform_device *pdev)
-+{
-+	int ret;
-+	int res_size;
-+	struct resource *res;
-+	void __iomem *base;
-+	struct gemini_wdt_struct *gemini_wdt;
-+	unsigned int reg;
-+
-+	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;
-+	}
-+
-+	gemini_wdt = kzalloc(sizeof(struct gemini_wdt_struct), GFP_KERNEL);
-+	if (!gemini_wdt) {
-+		dev_err(&pdev->dev, "can't allocate interface\n");
-+		ret = -ENOMEM;
-+		goto fail1;
-+	}
-+
-+	/* Setup gemini_wdt driver structure */
-+	gemini_wdt->base = base;
-+	gemini_wdt->res = res;
-+
-+	/* Set up platform driver data */
-+	platform_set_drvdata(pdev, gemini_wdt);
-+	gemini_wdt_dev = pdev;
-+
-+	if (gemini_wdt_miscdev.parent) {
-+		ret = -EBUSY;
-+		goto fail2;
-+	}
-+
-+	gemini_wdt_miscdev.parent = &pdev->dev;
-+
-+	reg = __raw_readw(gemini_wdt->base + GEMINI_WDCR);
-+	if (reg & WDCR_ENABLE) {
-+		/* Watchdog was enabled by the bootloader, disable it. */
-+		reg &= ~(WDCR_ENABLE);
-+		__raw_writel(reg, gemini_wdt->base + GEMINI_WDCR);
-+	}
-+
-+	ret = misc_register(&gemini_wdt_miscdev);
-+	if (ret)
-+		goto fail2;
-+
-+	return 0;
-+
-+fail2:
-+	platform_set_drvdata(pdev, NULL);
-+	kfree(gemini_wdt);
-+fail1:
-+	iounmap(base);
-+fail0:
-+	release_mem_region(res->start, res_size);
-+
-+	return ret;
-+}
-+
-+static int gemini_wdt_remove(struct platform_device *pdev)
-+{
-+	struct gemini_wdt_struct *gemini_wdt = platform_get_drvdata(pdev);
-+
-+	platform_set_drvdata(pdev, NULL);
-+	misc_deregister(&gemini_wdt_miscdev);
-+	gemini_wdt_dev = NULL;
-+	iounmap(gemini_wdt->base);
-+	release_mem_region(gemini_wdt->res->start, resource_size(gemini_wdt->res));
-+
-+	kfree(gemini_wdt);
-+
-+	return 0;
-+}
-+
-+#ifdef CONFIG_PM
-+static int gemini_wdt_suspend(struct platform_device *pdev, pm_message_t message)
-+{
-+	struct gemini_wdt_struct *gemini_wdt = platform_get_drvdata(pdev);
-+	unsigned int reg;
-+
-+	reg = __raw_readw(gemini_wdt->base + GEMINI_WDCR);
-+	reg &= ~(WDCR_WDENABLE);
-+	__raw_writel(reg, gemini_wdt->base + GEMINI_WDCR);
-+
-+	return 0;
-+}
-+
-+static int gemini_wdt_resume(struct platform_device *pdev)
-+{
-+	struct gemini_wdt_struct *gemini_wdt = platform_get_drvdata(pdev);
-+	unsigned int reg;
-+
-+	if (gemini_wdt->status) {
-+		reg = __raw_readw(gemini_wdt->base + GEMINI_WDCR);
-+		reg |= WDCR_WDENABLE;
-+		__raw_writel(reg, gemini_wdt->base + GEMINI_WDCR);
-+	}
-+
-+	return 0;
-+}
-+#else
-+#define gemini_wdt_suspend	NULL
-+#define gemini_wdt_resume	NULL
-+#endif
-+
-+static struct platform_driver gemini_wdt_driver = {
-+	.probe		= gemini_wdt_probe,
-+	.remove		= gemini_wdt_remove,
-+	.shutdown	= gemini_wdt_shutdown,
-+	.suspend	= gemini_wdt_suspend,
-+	.resume		= gemini_wdt_resume,
-+	.driver		= {
-+		.name	= "gemini-wdt",
-+		.owner	= THIS_MODULE,
-+	},
-+};
-+
-+static int __init gemini_wdt_init(void)
-+{
-+	return platform_driver_probe(&gemini_wdt_driver, gemini_wdt_probe);
-+}
-+
-+static void __exit gemini_wdt_exit(void)
-+{
-+	platform_driver_unregister(&gemini_wdt_driver);
-+}
-+
-+module_init(gemini_wdt_init);
-+module_exit(gemini_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_DESCRIPTION("Watchdog driver for Gemini");
-+MODULE_LICENSE("GPL");
-+MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
-+MODULE_ALIAS("platform:gemini-wdt");
---- a/drivers/watchdog/Kconfig
-+++ b/drivers/watchdog/Kconfig
-@@ -154,6 +154,16 @@ config 977_WATCHDOG
- 
- 	  Not sure? It's safe to say N.
- 
-+config GEMINI_WATCHDOG
-+	tristate "Gemini watchdog"
-+	depends on ARCH_GEMINI
-+	help
-+	  Say Y here if to include support for the watchdog timer
-+	  embedded in the Cortina Systems Gemini family of devices.
-+
-+	  To compile this driver as a module, choose M here: the
-+	  module will be called gemini_wdt.
-+
- config IXP4XX_WATCHDOG
- 	tristate "IXP4xx Watchdog"
- 	depends on ARCH_IXP4XX
---- a/drivers/watchdog/Makefile
-+++ b/drivers/watchdog/Makefile
-@@ -36,6 +36,7 @@ obj-$(CONFIG_OMAP_WATCHDOG) += omap_wdt.
- obj-$(CONFIG_TWL4030_WATCHDOG) += twl4030_wdt.o
- obj-$(CONFIG_21285_WATCHDOG) += wdt285.o
- obj-$(CONFIG_977_WATCHDOG) += wdt977.o
-+obj-$(CONFIG_GEMINI_WATCHDOG) += gemini_wdt.o
- obj-$(CONFIG_IXP4XX_WATCHDOG) += ixp4xx_wdt.o
- obj-$(CONFIG_KS8695_WATCHDOG) += ks8695_wdt.o
- obj-$(CONFIG_S3C2410_WATCHDOG) += s3c2410_wdt.o