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resync 2.6.32 support with changes in 2.6.30

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SVN-Revision: 21220
This commit is contained in:
Florian Fainelli 2010-04-28 09:54:20 +00:00
parent 3345a7c301
commit 449cd7872c
10 changed files with 1752 additions and 2 deletions
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5
target/linux/rdc/config-2.6.32
View file

@ -78,6 +78,7 @@ CONFIG_GENERIC_ISA_DMA=y
# CONFIG_GENERIC_TIME_VSYSCALL is not set
# CONFIG_GEN_RTC is not set
CONFIG_GPIOLIB=y
CONFIG_GPIO_RDC321X=y
CONFIG_GPIO_SYSFS=y
# CONFIG_HAMRADIO is not set
# CONFIG_HANGCHECK_TIMER is not set
@ -169,6 +170,8 @@ CONFIG_MATH_EMULATION=y
# CONFIG_MCYRIXIII is not set
# CONFIG_MEFFICEON is not set
# CONFIG_MEMTEST is not set
CONFIG_MFD_CORE=y
CONFIG_MFD_RDC321X=y
# CONFIG_MGEODEGX1 is not set
# CONFIG_MGEODE_LX is not set
# CONFIG_MICROCODE is not set
@ -185,8 +188,6 @@ CONFIG_MODULE_FORCE_UNLOAD=y
# CONFIG_MTD_COMPLEX_MAPPINGS is not set
# CONFIG_MTD_NETSC520 is not set
CONFIG_MTD_PHYSMAP=y
# CONFIG_MTD_R8610 is not set
# CONFIG_MTD_RDC3210 is not set
# CONFIG_MTD_TS5500 is not set
# CONFIG_MTRR is not set
# CONFIG_MVIAC3_2 is not set

202
target/linux/rdc/patches-2.6.32/001-rdc321x_mfd_southbridge.patch Normal file
View file

@ -0,0 +1,202 @@
This patch adds a new MFD driver for the RDC321x southbridge. This southbridge
is always present in the RDC321x System-on-a-Chip and provides access to some
GPIOs as well as a watchdog. Access to these two functions is done using the
southbridge PCI device configuration space.
Signed-off-by: Florian Fainelli <florian@openwrt.org>
---
Changes from v2:
- pass the pci_dev pointer to MFD cell drivers as platform_data
- remove the printk(KERN_ERR and use dev_err instead
- removed pci_dev accessors
- use DEFINE_PCI_DEVICE_TABLE
Index: linux-2.6.32.10/drivers/mfd/Kconfig
===================================================================
--- linux-2.6.32.10.orig/drivers/mfd/Kconfig 2010-03-15 16:52:04.000000000 +0100
+++ linux-2.6.32.10/drivers/mfd/Kconfig 2010-04-28 11:38:27.000000000 +0200
@@ -305,6 +305,15 @@
This enables the PCAP ASIC present on EZX Phones. This is
needed for MMC, TouchScreen, Sound, USB, etc..
+config MFD_RDC321X
+ tristate "Support for RDC-R321x southbridge"
+ select MFD_CORE
+ depends on PCI
+ help
+ Say yes here if you want to have support for the RDC R-321x SoC
+ southbridge which provides access to GPIOs and Watchdog using the
+ southbridge PCI device configuration space.
+
endmenu
menu "Multimedia Capabilities Port drivers"
Index: linux-2.6.32.10/drivers/mfd/Makefile
===================================================================
--- linux-2.6.32.10.orig/drivers/mfd/Makefile 2010-03-15 16:52:04.000000000 +0100
+++ linux-2.6.32.10/drivers/mfd/Makefile 2010-04-28 11:38:53.000000000 +0200
@@ -50,3 +50,5 @@
obj-$(CONFIG_PCF50633_GPIO) += pcf50633-gpio.o
obj-$(CONFIG_AB3100_CORE) += ab3100-core.o
obj-$(CONFIG_AB3100_OTP) += ab3100-otp.o
+
+obj-$(CONFIG_MFD_RDC321X) += rdc321x-southbridge.o
Index: linux-2.6.32.10/drivers/mfd/rdc321x-southbridge.c
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ linux-2.6.32.10/drivers/mfd/rdc321x-southbridge.c 2010-04-28 11:38:27.000000000 +0200
@@ -0,0 +1,123 @@
+/*
+ * RDC321x MFD southbrige driver
+ *
+ * Copyright (C) 2007-2010 Florian Fainelli <florian@openwrt.org>
+ * Copyright (C) 2010 Bernhard Loos <bernhardloos@googlemail.com>
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <linux/pci.h>
+#include <linux/mfd/core.h>
+#include <linux/mfd/rdc321x.h>
+
+static struct rdc321x_wdt_pdata rdc321x_wdt_pdata;
+
+static struct resource rdc321x_wdt_resource[] = {
+ {
+ .name = "wdt-reg",
+ .start = RDC321X_WDT_CTRL,
+ .end = RDC321X_WDT_CTRL + 0x3,
+ .flags = IORESOURCE_MEM,
+ }
+};
+
+static struct rdc321x_gpio_pdata rdc321x_gpio_pdata = {
+ .max_gpios = RDC321X_MAX_GPIO,
+};
+
+static struct resource rdc321x_gpio_resources[] = {
+ {
+ .name = "gpio-reg1",
+ .start = RDC321X_GPIO_CTRL_REG1,
+ .end = RDC321X_GPIO_CTRL_REG1 + 0x7,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .name = "gpio-reg2",
+ .start = RDC321X_GPIO_CTRL_REG2,
+ .end = RDC321X_GPIO_CTRL_REG2 + 0x7,
+ .flags = IORESOURCE_MEM,
+ }
+};
+
+static struct mfd_cell rdc321x_sb_cells[] = {
+ {
+ .name = "rdc321x-wdt",
+ .resources = rdc321x_wdt_resource,
+ .num_resources = ARRAY_SIZE(rdc321x_wdt_resource),
+ .driver_data = &rdc321x_wdt_pdata,
+ }, {
+ .name = "rdc321x-gpio",
+ .resources = rdc321x_gpio_resources,
+ .num_resources = ARRAY_SIZE(rdc321x_gpio_resources),
+ .driver_data = &rdc321x_gpio_pdata,
+ },
+};
+
+static int __devinit rdc321x_sb_probe(struct pci_dev *pdev,
+ const struct pci_device_id *ent)
+{
+ int err;
+
+ err = pci_enable_device(pdev);
+ if (err) {
+ dev_err(&pdev->dev, "failed to enable device\n");
+ return err;
+ }
+
+ rdc321x_gpio_pdata.sb_pdev = pdev;
+ rdc321x_wdt_pdata.sb_pdev = pdev;
+
+ return mfd_add_devices(&pdev->dev, -1,
+ rdc321x_sb_cells, ARRAY_SIZE(rdc321x_sb_cells), NULL, 0);
+}
+
+static void __devexit rdc321x_sb_remove(struct pci_dev *pdev)
+{
+ mfd_remove_devices(&pdev->dev);
+}
+
+static DEFINE_PCI_DEVICE_TABLE(rdc321x_sb_table) = {
+ { PCI_DEVICE(PCI_VENDOR_ID_RDC, PCI_DEVICE_ID_RDC_R6030) },
+ {}
+};
+
+static struct pci_driver rdc321x_sb_driver = {
+ .name = "RDC321x Southbridge",
+ .id_table = rdc321x_sb_table,
+ .probe = rdc321x_sb_probe,
+ .remove = __devexit_p(rdc321x_sb_remove),
+};
+
+static int __init rdc321x_sb_init(void)
+{
+ return pci_register_driver(&rdc321x_sb_driver);
+}
+
+static void __exit rdc321x_sb_exit(void)
+{
+ pci_unregister_driver(&rdc321x_sb_driver);
+}
+
+module_init(rdc321x_sb_init);
+module_exit(rdc321x_sb_exit);
+
+MODULE_AUTHOR("Florian Fainelli <florian@openwrt.org>");
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("RDC R-321x MFD southbridge driver");
Index: linux-2.6.32.10/include/linux/mfd/rdc321x.h
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ linux-2.6.32.10/include/linux/mfd/rdc321x.h 2010-04-28 11:38:27.000000000 +0200
@@ -0,0 +1,26 @@
+#ifndef __RDC321X_MFD_H
+#define __RDC321X_MFD_H
+
+#include <linux/types.h>
+#include <linux/pci.h>
+
+/* Offsets to be accessed in the southbridge PCI
+ * device configuration register */
+#define RDC321X_WDT_CTRL 0x44
+#define RDC321X_GPIO_CTRL_REG1 0x48
+#define RDC321X_GPIO_DATA_REG1 0x4c
+#define RDC321X_GPIO_CTRL_REG2 0x84
+#define RDC321X_GPIO_DATA_REG2 0x88
+
+#define RDC321X_MAX_GPIO 58
+
+struct rdc321x_gpio_pdata {
+ struct pci_dev *sb_pdev;
+ unsigned max_gpios;
+};
+
+struct rdc321x_wdt_pdata {
+ struct pci_dev *sb_pdev;
+};
+
+#endif /* __RDC321X_MFD_H */

288
target/linux/rdc/patches-2.6.32/002-rdc321x_gpio.patch Normal file
View file

@ -0,0 +1,288 @@
This patch adds a new GPIO driver for the RDC321x SoC GPIO controller.
Signed-off-by: Florian Fainelli <florian@openwrt.org>
---
Changes from v2:
- initialize spinlock earlier
- do not declare and assign gpch variables on the same line
- use the pci_dev pointer passed as platform data
- replaced rdc321x_pci_{read,write}
Index: linux-2.6.32.10/drivers/gpio/Kconfig
===================================================================
--- linux-2.6.32.10.orig/drivers/gpio/Kconfig 2010-03-15 16:52:04.000000000 +0100
+++ linux-2.6.32.10/drivers/gpio/Kconfig 2010-04-28 11:39:02.000000000 +0200
@@ -196,6 +196,14 @@
help
Say Y here to support Intel Moorestown platform GPIO.
+config GPIO_RDC321X
+ tristate "RDC R-321x GPIO support"
+ depends on PCI && GPIOLIB
+ select MFD_RDC321X
+ help
+ Support for the RDC R321x SoC GPIOs over southbridge
+ PCI configuration space.
+
comment "SPI GPIO expanders:"
config GPIO_MAX7301
Index: linux-2.6.32.10/drivers/gpio/Makefile
===================================================================
--- linux-2.6.32.10.orig/drivers/gpio/Makefile 2010-03-15 16:52:04.000000000 +0100
+++ linux-2.6.32.10/drivers/gpio/Makefile 2010-04-28 11:39:17.000000000 +0200
@@ -19,3 +19,4 @@
obj-$(CONFIG_GPIO_BT8XX) += bt8xxgpio.o
obj-$(CONFIG_GPIO_VR41XX) += vr41xx_giu.o
obj-$(CONFIG_GPIO_WM831X) += wm831x-gpio.o
+obj-$(CONFIG_GPIO_RDC321X) += rdc321x-gpio.o
Index: linux-2.6.32.10/drivers/gpio/rdc321x-gpio.c
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ linux-2.6.32.10/drivers/gpio/rdc321x-gpio.c 2010-04-28 11:39:02.000000000 +0200
@@ -0,0 +1,245 @@
+/*
+ * RDC321x GPIO driver
+ *
+ * Copyright (C) 2008, Volker Weiss <dev@tintuc.de>
+ * Copyright (C) 2007-2010 Florian Fainelli <florian@openwrt.org>
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/spinlock.h>
+#include <linux/platform_device.h>
+#include <linux/pci.h>
+#include <linux/gpio.h>
+#include <linux/mfd/rdc321x.h>
+
+struct rdc321x_gpio {
+ spinlock_t lock;
+ struct pci_dev *sb_pdev;
+ u32 data_reg[2];
+ int reg1_ctrl_base;
+ int reg1_data_base;
+ int reg2_ctrl_base;
+ int reg2_data_base;
+ struct gpio_chip chip;
+};
+
+/* read GPIO pin */
+static int rdc_gpio_get_value(struct gpio_chip *chip, unsigned gpio)
+{
+ struct rdc321x_gpio *gpch;
+ u32 value = 0;
+ int reg;
+
+ gpch = container_of(chip, struct rdc321x_gpio, chip);
+ reg = gpio < 32 ? gpch->reg1_data_base : gpch->reg2_data_base;
+
+ spin_lock(&gpch->lock);
+ pci_write_config_dword(gpch->sb_pdev, reg,
+ gpch->data_reg[gpio < 32 ? 0 : 1]);
+ pci_read_config_dword(gpch->sb_pdev, reg, &value);
+ spin_unlock(&gpch->lock);
+
+ return (1 << (gpio & 0x1f)) & value ? 1 : 0;
+}
+
+static void rdc_gpio_set_value_impl(struct gpio_chip *chip,
+ unsigned gpio, int value)
+{
+ struct rdc321x_gpio *gpch;
+ int reg = (gpio < 32) ? 0 : 1;
+
+ gpch = container_of(chip, struct rdc321x_gpio, chip);
+
+ if (value)
+ gpch->data_reg[reg] |= 1 << (gpio & 0x1f);
+ else
+ gpch->data_reg[reg] &= ~(1 << (gpio & 0x1f));
+
+ pci_write_config_dword(gpch->sb_pdev,
+ reg ? gpch->reg1_data_base : gpch->reg2_data_base,
+ gpch->data_reg[reg]);
+}
+
+/* set GPIO pin to value */
+static void rdc_gpio_set_value(struct gpio_chip *chip,
+ unsigned gpio, int value)
+{
+ struct rdc321x_gpio *gpch;
+
+ gpch = container_of(chip, struct rdc321x_gpio, chip);
+ spin_lock(&gpch->lock);
+ rdc_gpio_set_value_impl(chip, gpio, value);
+ spin_unlock(&gpch->lock);
+}
+
+static int rdc_gpio_config(struct gpio_chip *chip,
+ unsigned gpio, int value)
+{
+ struct rdc321x_gpio *gpch;
+ int err;
+ u32 reg;
+
+ gpch = container_of(chip, struct rdc321x_gpio, chip);
+
+ spin_lock(&gpch->lock);
+ err = pci_read_config_dword(gpch->sb_pdev, gpio < 32 ?
+ gpch->reg1_ctrl_base : gpch->reg2_ctrl_base, &reg);
+ if (err)
+ goto unlock;
+
+ reg |= 1 << (gpio & 0x1f);
+
+ err = pci_write_config_dword(gpch->sb_pdev, gpio < 32 ?
+ gpch->reg1_ctrl_base : gpch->reg2_ctrl_base, reg);
+ if (err)
+ goto unlock;
+
+ rdc_gpio_set_value_impl(chip, gpio, value);
+
+unlock:
+ spin_unlock(&gpch->lock);
+
+ return err;
+}
+
+/* configure GPIO pin as input */
+static int rdc_gpio_direction_input(struct gpio_chip *chip, unsigned gpio)
+{
+ return rdc_gpio_config(chip, gpio, 1);
+}
+
+/*
+ * Cache the initial value of both GPIO data registers
+ */
+static int __devinit rdc321x_gpio_probe(struct platform_device *pdev)
+{
+ int err;
+ struct resource *r;
+ struct rdc321x_gpio *rdc321x_gpio_dev;
+ struct rdc321x_gpio_pdata *pdata;
+
+ pdata = pdev->dev.platform_data;
+ if (!pdata) {
+ dev_err(&pdev->dev, "no platform data supplied\n");
+ return -ENODEV;
+ }
+
+ rdc321x_gpio_dev = kzalloc(sizeof(struct rdc321x_gpio), GFP_KERNEL);
+ if (!rdc321x_gpio_dev) {
+ dev_err(&pdev->dev, "failed to allocate private data\n");
+ return -ENOMEM;
+ }
+
+ r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "gpio-reg1");
+ if (!r) {
+ dev_err(&pdev->dev, "failed to get gpio-reg1 resource\n");
+ err = -ENODEV;
+ goto out_free;
+ }
+
+ spin_lock_init(&rdc321x_gpio_dev->lock);
+ rdc321x_gpio_dev->sb_pdev = pdata->sb_pdev;
+ rdc321x_gpio_dev->reg1_ctrl_base = r->start;
+ rdc321x_gpio_dev->reg1_data_base = r->start + 0x4;
+
+ r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "gpio-reg2");
+ if (!r) {
+ dev_err(&pdev->dev, "failed to get gpio-reg2 resource\n");
+ err = -ENODEV;
+ goto out_free;
+ }
+
+ rdc321x_gpio_dev->reg2_ctrl_base = r->start;
+ rdc321x_gpio_dev->reg2_data_base = r->start + 0x4;
+
+ rdc321x_gpio_dev->chip.label = "rdc321x-gpio";
+ rdc321x_gpio_dev->chip.direction_input = rdc_gpio_direction_input;
+ rdc321x_gpio_dev->chip.direction_output = rdc_gpio_config;
+ rdc321x_gpio_dev->chip.get = rdc_gpio_get_value;
+ rdc321x_gpio_dev->chip.set = rdc_gpio_set_value;
+ rdc321x_gpio_dev->chip.base = 0;
+ rdc321x_gpio_dev->chip.ngpio = pdata->max_gpios;
+
+ platform_set_drvdata(pdev, rdc321x_gpio_dev);
+
+ /* This might not be, what others (BIOS, bootloader, etc.)
+ wrote to these registers before, but it's a good guess. Still
+ better than just using 0xffffffff. */
+ err = pci_read_config_dword(rdc321x_gpio_dev->sb_pdev,
+ rdc321x_gpio_dev->reg1_data_base,
+ &rdc321x_gpio_dev->data_reg[0]);
+ if (err)
+ goto out_drvdata;
+
+ err = pci_read_config_dword(rdc321x_gpio_dev->sb_pdev,
+ rdc321x_gpio_dev->reg2_data_base,
+ &rdc321x_gpio_dev->data_reg[1]);
+ if (err)
+ goto out_drvdata;
+
+ dev_info(&pdev->dev, "registering %d GPIOs\n",
+ rdc321x_gpio_dev->chip.ngpio);
+ return gpiochip_add(&rdc321x_gpio_dev->chip);
+
+out_drvdata:
+ platform_set_drvdata(pdev, NULL);
+out_free:
+ kfree(rdc321x_gpio_dev);
+ return err;
+}
+
+static int __devexit rdc321x_gpio_remove(struct platform_device *pdev)
+{
+ int ret;
+ struct rdc321x_gpio *rdc321x_gpio_dev = platform_get_drvdata(pdev);
+
+ ret = gpiochip_remove(&rdc321x_gpio_dev->chip);
+ if (ret)
+ dev_err(&pdev->dev, "failed to unregister chip\n");
+
+ kfree(rdc321x_gpio_dev);
+ platform_set_drvdata(pdev, NULL);
+
+ return ret;
+}
+
+static struct platform_driver rdc321x_gpio_driver = {
+ .driver.name = "rdc321x-gpio",
+ .driver.owner = THIS_MODULE,
+ .probe = rdc321x_gpio_probe,
+ .remove = __devexit_p(rdc321x_gpio_remove),
+};
+
+static int __init rdc321x_gpio_init(void)
+{
+ return platform_driver_register(&rdc321x_gpio_driver);
+}
+
+static void __exit rdc321x_gpio_exit(void)
+{
+ platform_driver_unregister(&rdc321x_gpio_driver);
+}
+
+module_init(rdc321x_gpio_init);
+module_exit(rdc321x_gpio_exit);
+
+MODULE_AUTHOR("Florian Fainelli <florian@openwrt.org>");
+MODULE_DESCRIPTION("RDC321x GPIO driver");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:rdc321x-gpio");

150
target/linux/rdc/patches-2.6.32/003-rdc321x_watchdog_southbridge.patch Normal file
View file

@ -0,0 +1,150 @@
The RDC321x MFD southbridge driver will pass a reference to the southbridge
PCI device which should be used by the watchdog driver for its operations.
This patch converts the watchdog driver to use the pci_dev pointer and make use
of the base register resource which is passed along with the platform device.
Acked-by: Wim Van Sebroeck <wim@iguana.be>
Signed-off-by: Florian Fainelli <florian@openwrt.org>
---
Changes from v2:
- replaced rdc321x_pci_{read,write}
- use the pci_dev pointer passed as platform_data
Index: linux-2.6.30.10/drivers/watchdog/rdc321x_wdt.c
===================================================================
--- linux-2.6.30.10.orig/drivers/watchdog/rdc321x_wdt.c 2009-12-04 07:00:07.000000000 +0100
+++ linux-2.6.30.10/drivers/watchdog/rdc321x_wdt.c 2010-04-28 10:17:46.000000000 +0200
@@ -1,7 +1,7 @@
/*
* RDC321x watchdog driver
*
- * Copyright (C) 2007 Florian Fainelli <florian@openwrt.org>
+ * Copyright (C) 2007-2010 Florian Fainelli <florian@openwrt.org>
*
* This driver is highly inspired from the cpu5_wdt driver
*
@@ -36,8 +36,7 @@
#include <linux/watchdog.h>
#include <linux/io.h>
#include <linux/uaccess.h>
-
-#include <asm/rdc321x_defs.h>
+#include <linux/mfd/rdc321x.h>
#define RDC_WDT_MASK 0x80000000 /* Mask */
#define RDC_WDT_EN 0x00800000 /* Enable bit */
@@ -63,6 +62,8 @@
int default_ticks;
unsigned long inuse;
spinlock_t lock;
+ struct pci_dev *sb_pdev;
+ int base_reg;
} rdc321x_wdt_device;
/* generic helper functions */
@@ -70,14 +71,18 @@
static void rdc321x_wdt_trigger(unsigned long unused)
{
unsigned long flags;
+ u32 val;
if (rdc321x_wdt_device.running)
ticks--;
/* keep watchdog alive */
spin_lock_irqsave(&rdc321x_wdt_device.lock, flags);
- outl(RDC_WDT_EN | inl(RDC3210_CFGREG_DATA),
- RDC3210_CFGREG_DATA);
+ pci_read_config_dword(rdc321x_wdt_device.sb_pdev,
+ rdc321x_wdt_device.base_reg, &val);
+ val |= RDC_WDT_EN;
+ pci_write_config_dword(rdc321x_wdt_device.sb_pdev,
+ rdc321x_wdt_device.base_reg, val);
spin_unlock_irqrestore(&rdc321x_wdt_device.lock, flags);
/* requeue?? */
@@ -105,10 +110,13 @@
/* Clear the timer */
spin_lock_irqsave(&rdc321x_wdt_device.lock, flags);
- outl(RDC_CLS_TMR, RDC3210_CFGREG_ADDR);
+ pci_write_config_dword(rdc321x_wdt_device.sb_pdev,
+ rdc321x_wdt_device.base_reg, RDC_CLS_TMR);
/* Enable watchdog and set the timeout to 81.92 us */
- outl(RDC_WDT_EN | RDC_WDT_CNT, RDC3210_CFGREG_DATA);
+ pci_write_config_dword(rdc321x_wdt_device.sb_pdev,
+ rdc321x_wdt_device.base_reg,
+ RDC_WDT_EN | RDC_WDT_CNT);
spin_unlock_irqrestore(&rdc321x_wdt_device.lock, flags);
mod_timer(&rdc321x_wdt_device.timer,
@@ -148,7 +156,7 @@
unsigned long arg)
{
void __user *argp = (void __user *)arg;
- unsigned int value;
+ u32 value;
static struct watchdog_info ident = {
.options = WDIOF_CARDRESET,
.identity = "RDC321x WDT",
@@ -162,9 +170,10 @@
case WDIOC_GETSTATUS:
/* Read the value from the DATA register */
spin_lock_irqsave(&rdc321x_wdt_device.lock, flags);
- value = inl(RDC3210_CFGREG_DATA);
+ pci_read_config_dword(rdc321x_wdt_device.sb_pdev,
+ rdc321x_wdt_device.base_reg, &value);
spin_unlock_irqrestore(&rdc321x_wdt_device.lock, flags);
- if (copy_to_user(argp, &value, sizeof(int)))
+ if (copy_to_user(argp, &value, sizeof(u32)))
return -EFAULT;
break;
case WDIOC_GETSUPPORT:
@@ -219,17 +228,35 @@
static int __devinit rdc321x_wdt_probe(struct platform_device *pdev)
{
int err;
+ struct resource *r;
+ struct rdc321x_wdt_pdata *pdata;
+
+ pdata = pdev->dev.platform_data;
+ if (!pdata) {
+ dev_err(&pdev->dev, "no platform data supplied\n");
+ return -ENODEV;
+ }
+
+ r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "wdt-reg");
+ if (!r) {
+ dev_err(&pdev->dev, "failed to get wdt-reg resource\n");
+ return -ENODEV;
+ }
+
+ rdc321x_wdt_device.sb_pdev = pdata->sb_pdev;
+ rdc321x_wdt_device.base_reg = r->start;
err = misc_register(&rdc321x_wdt_misc);
if (err < 0) {
- printk(KERN_ERR PFX "watchdog misc_register failed\n");
+ dev_err(&pdev->dev, "misc_register failed\n");
return err;
}
spin_lock_init(&rdc321x_wdt_device.lock);
/* Reset the watchdog */
- outl(RDC_WDT_RST, RDC3210_CFGREG_DATA);
+ pci_write_config_dword(rdc321x_wdt_device.sb_pdev,
+ rdc321x_wdt_device.base_reg, RDC_WDT_RST);
init_completion(&rdc321x_wdt_device.stop);
rdc321x_wdt_device.queue = 0;
@@ -240,7 +267,7 @@
rdc321x_wdt_device.default_ticks = ticks;
- printk(KERN_INFO PFX "watchdog init success\n");
+ dev_info(&pdev->dev, "watchdog init success\n");
return 0;
}

26
target/linux/rdc/patches-2.6.32/004-rdc321x_defs_remove.patch Normal file
View file

@ -0,0 +1,26 @@
This file is replaced by a cleaner version with the adding of a MFD driver for
the southbridge.
Signed-off-by: Florian Fainelli <florian@openwrt.org>
---
diff --git a/arch/x86/include/asm/rdc321x_defs.h b/arch/x86/include/asm/rdc321x_defs.h
deleted file mode 100644
index c8e9c8b..0000000
--- a/arch/x86/include/asm/rdc321x_defs.h
+++ /dev/null
@@ -1,12 +0,0 @@
-#define PFX "rdc321x: "
-
-/* General purpose configuration and data registers */
-#define RDC3210_CFGREG_ADDR 0x0CF8
-#define RDC3210_CFGREG_DATA 0x0CFC
-
-#define RDC321X_GPIO_CTRL_REG1 0x48
-#define RDC321X_GPIO_CTRL_REG2 0x84
-#define RDC321X_GPIO_DATA_REG1 0x4c
-#define RDC321X_GPIO_DATA_REG2 0x88
-
-#define RDC321X_MAX_GPIO 58

0
target/linux/rdc/patches-2.6.32/004-yenta_mystery.patch → target/linux/rdc/patches-2.6.32/006-yenta_mistery.patch
View file

28
target/linux/rdc/patches-2.6.32/012-export_erase_write.patch Normal file
View file

@ -0,0 +1,28 @@
Index: linux-2.6.30.10/drivers/mtd/mtdblock.c
===================================================================
--- linux-2.6.30.10.orig/drivers/mtd/mtdblock.c 2010-03-19 00:17:37.000000000 +0100
+++ linux-2.6.30.10/drivers/mtd/mtdblock.c 2010-03-19 00:17:54.000000000 +0100
@@ -45,7 +45,7 @@
wake_up(wait_q);
}
-static int erase_write (struct mtd_info *mtd, unsigned long pos,
+int erase_write (struct mtd_info *mtd, unsigned long pos,
int len, const char *buf)
{
struct erase_info erase;
Index: linux-2.6.30.10/include/linux/mtd/mtd.h
===================================================================
--- linux-2.6.30.10.orig/include/linux/mtd/mtd.h 2010-03-19 00:17:42.000000000 +0100
+++ linux-2.6.30.10/include/linux/mtd/mtd.h 2010-03-19 00:21:22.000000000 +0100
@@ -319,6 +319,10 @@
int default_mtd_readv(struct mtd_info *mtd, struct kvec *vecs,
unsigned long count, loff_t from, size_t *retlen);
+int erase_write (struct mtd_info *mtd, unsigned long pos,
+ int len, const char *buf);
+
+
#ifdef CONFIG_MTD_PARTITIONS
void mtd_erase_callback(struct erase_info *instr);
#else

0
target/linux/rdc/patches-2.6.32/002-platform_support.patch → target/linux/rdc/patches-2.6.32/100-platform_support.patch
View file

740
target/linux/rdc/patches-2.6.32/100-rdc_boards.patch Normal file
View file

@ -0,0 +1,740 @@
Index: linux-2.6.32.10/arch/x86/mach-rdc321x/Makefile
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ linux-2.6.32.10/arch/x86/mach-rdc321x/Makefile 2010-04-28 11:39:32.000000000 +0200
@@ -0,0 +1,5 @@
+#
+# Makefile for the RDC321x specific parts of the kernel
+#
+obj-$(CONFIG_X86_RDC321X) := platform.o reboot.o boards/sitecom.o boards/ar525w.o boards/bifferboard.o boards/r8610.o
+
Index: linux-2.6.32.10/arch/x86/mach-rdc321x/platform.c
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ linux-2.6.32.10/arch/x86/mach-rdc321x/platform.c 2010-04-28 11:39:32.000000000 +0200
@@ -0,0 +1,115 @@
+/*
+ * Generic RDC321x platform devices
+ *
+ * Copyright (C) 2007-2009 OpenWrt.org
+ * Copyright (C) 2007 Florian Fainelli <florian@openwrt.org>
+ * Copyright (C) 2008-2009 Daniel Gimpelevich <daniel@gimpelevich.san-francisco.ca.us>
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ */
+
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/mtd/map.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/physmap.h>
+#include <linux/root_dev.h>
+
+#include <asm/rdc_boards.h>
+
+static struct rdc_platform_data rdcplat_data;
+
+/* LEDS */
+static struct platform_device rdc321x_leds = {
+ .name = "leds-gpio",
+ .id = -1,
+ .dev = {
+ .platform_data = &rdcplat_data.led_data,
+ }
+};
+
+/* Button */
+static struct platform_device rdc321x_buttons = {
+ .name = "gpio-buttons",
+ .id = -1,
+ .dev = {
+ .platform_data = &rdcplat_data.button_data,
+ }
+};
+
+static __initdata struct platform_device *rdc321x_devs[] = {
+ &rdc321x_leds,
+ &rdc321x_buttons,
+};
+
+const char *__initdata boards[] = {
+ "Sitecom",
+ "AR525W",
+ "Bifferboard",
+ "R8610",
+ 0
+};
+
+static struct map_info rdc_map_info = {
+ .name = "rdc_flash",
+ .size = 0x800000, /* 8MB */
+ .phys = 0xFF800000, /* (u32) -rdc_map_info.size */
+ .bankwidth = 2,
+};
+
+static int __init rdc_board_setup(void)
+{
+ struct mtd_partition *partitions;
+ int count, res;
+ struct mtd_info *mtdinfo;
+
+ simple_map_init(&rdc_map_info);
+
+ while (1) {
+ rdc_map_info.virt = ioremap(rdc_map_info.phys,
+ rdc_map_info.size);
+ if (rdc_map_info.virt == NULL)
+ continue;
+
+ mtdinfo = do_map_probe("cfi_probe", &rdc_map_info);
+ if (mtdinfo == NULL)
+ mtdinfo = do_map_probe("jedec_probe", &rdc_map_info);
+ if (mtdinfo != NULL)
+ break;
+
+ iounmap(rdc_map_info.virt);
+ if ((rdc_map_info.size >>= 1) < 0x100000) /* 1MB */
+ panic("RDC321x: Could not find start of flash!");
+ rdc_map_info.phys = (u32) -rdc_map_info.size;
+ }
+
+ count = parse_mtd_partitions(mtdinfo, boards, &partitions,
+ (unsigned long) &rdcplat_data);
+
+ if (count <= 0) {
+ panic("RDC321x: can't identify board type");
+ return -ENOSYS;
+ }
+
+ ROOT_DEV = 0;
+ res = add_mtd_partitions(mtdinfo, partitions, count);
+ if (res)
+ return res;
+
+ return platform_add_devices(rdc321x_devs, ARRAY_SIZE(rdc321x_devs));
+}
+late_initcall(rdc_board_setup);
Index: linux-2.6.32.10/arch/x86/mach-rdc321x/boards/ar525w.c
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ linux-2.6.32.10/arch/x86/mach-rdc321x/boards/ar525w.c 2010-04-28 11:39:32.000000000 +0200
@@ -0,0 +1,243 @@
+/*
+ * ar525w RDC321x platform devices
+ *
+ * Copyright (C) 2007-2009 OpenWrt.org
+ * Copyright (C) 2007 Florian Fainelli <florian@openwrt.org>
+ * Copyright (C) 2008-2009 Daniel Gimpelevich <daniel@gimpelevich.san-francisco.ca.us>
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ */
+
+#include <linux/init.h>
+#include <linux/mtd/physmap.h>
+#include <linux/input.h>
+#include <linux/vmalloc.h>
+#include <linux/mtd/mtd.h>
+
+#include <asm/rdc_boards.h>
+
+struct image_header {
+ char magic[4]; /* ASICII: GMTK */
+ u32 checksum; /* CRC32 */
+ u32 version; /* x.x.x.x */
+ u32 kernelsz; /* The size of the kernel image */
+ u32 imagesz; /* The length of this image file ( kernel + romfs + this header) */
+ u32 pid; /* Product ID */
+ u32 fastcksum; /* Partial CRC32 on (First(256), medium(256), last(512)) */
+ u32 reserved;
+};
+
+static struct gpio_led ar525w_leds[] = {
+ { .name = "rdc321x:dmz", .gpio = 1, .active_low = 1},
+};
+static struct gpio_button ar525w_btns[] = {
+ {
+ .gpio = 6,
+ .code = BTN_0,
+ .desc = "Reset",
+ .active_low = 1,
+ }
+};
+
+static u32 __initdata crctab[257] = {
+ 0x00000000, 0x77073096, 0xee0e612c, 0x990951ba,
+ 0x076dc419, 0x706af48f, 0xe963a535, 0x9e6495a3,
+ 0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988,
+ 0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91,
+ 0x1db71064, 0x6ab020f2, 0xf3b97148, 0x84be41de,
+ 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7,
+ 0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec,
+ 0x14015c4f, 0x63066cd9, 0xfa0f3d63, 0x8d080df5,
+ 0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172,
+ 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b,
+ 0x35b5a8fa, 0x42b2986c, 0xdbbbc9d6, 0xacbcf940,
+ 0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59,
+ 0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116,
+ 0x21b4f4b5, 0x56b3c423, 0xcfba9599, 0xb8bda50f,
+ 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924,
+ 0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d,
+ 0x76dc4190, 0x01db7106, 0x98d220bc, 0xefd5102a,
+ 0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433,
+ 0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818,
+ 0x7f6a0dbb, 0x086d3d2d, 0x91646c97, 0xe6635c01,
+ 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e,
+ 0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457,
+ 0x65b0d9c6, 0x12b7e950, 0x8bbeb8ea, 0xfcb9887c,
+ 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65,
+ 0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2,
+ 0x4adfa541, 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb,
+ 0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0,
+ 0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9,
+ 0x5005713c, 0x270241aa, 0xbe0b1010, 0xc90c2086,
+ 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,
+ 0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4,
+ 0x59b33d17, 0x2eb40d81, 0xb7bd5c3b, 0xc0ba6cad,
+ 0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a,
+ 0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683,
+ 0xe3630b12, 0x94643b84, 0x0d6d6a3e, 0x7a6a5aa8,
+ 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1,
+ 0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe,
+ 0xf762575d, 0x806567cb, 0x196c3671, 0x6e6b06e7,
+ 0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc,
+ 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5,
+ 0xd6d6a3e8, 0xa1d1937e, 0x38d8c2c4, 0x4fdff252,
+ 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b,
+ 0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60,
+ 0xdf60efc3, 0xa867df55, 0x316e8eef, 0x4669be79,
+ 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236,
+ 0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f,
+ 0xc5ba3bbe, 0xb2bd0b28, 0x2bb45a92, 0x5cb36a04,
+ 0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d,
+ 0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a,
+ 0x9c0906a9, 0xeb0e363f, 0x72076785, 0x05005713,
+ 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38,
+ 0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21,
+ 0x86d3d2d4, 0xf1d4e242, 0x68ddb3f8, 0x1fda836e,
+ 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777,
+ 0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c,
+ 0x8f659eff, 0xf862ae69, 0x616bffd3, 0x166ccf45,
+ 0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2,
+ 0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db,
+ 0xaed16a4a, 0xd9d65adc, 0x40df0b66, 0x37d83bf0,
+ 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,
+ 0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6,
+ 0xbad03605, 0xcdd70693, 0x54de5729, 0x23d967bf,
+ 0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94,
+ 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d,
+ 0
+};
+
+static u32 __init crc32(u8 * buf, u32 len)
+{
+ register int i;
+ u32 sum;
+ register u32 s0;
+ s0 = ~0;
+ for (i = 0; i < len; i++) {
+ s0 = (s0 >> 8) ^ crctab[(u8) (s0 & 0xFF) ^ buf[i]];
+ }
+ sum = ~s0;
+ return sum;
+}
+
+static int __init fixup_ar525w_header(struct mtd_info *master, struct image_header *header)
+{
+ char *buffer;
+ int res;
+ u32 bufferlength = header->kernelsz + sizeof(struct image_header);
+ u32 len;
+ char crcbuf[0x400];
+
+ printk(KERN_INFO "Fixing up AR525W header, old image size: %u, new image size: %u\n",
+ header->imagesz, bufferlength);
+
+ buffer = vmalloc(bufferlength);
+ if (!buffer) {
+ printk(KERN_ERR "Can't allocate %u bytes\n", bufferlength);
+ return -ENOMEM;
+ }
+
+ res = master->read(master, 0x0, bufferlength, &len, buffer);
+ if (res || len != bufferlength)
+ goto out;
+
+ header = (struct image_header *) buffer;
+ header->imagesz = bufferlength;
+ header->checksum = 0;
+ header->fastcksum = 0;
+
+ memcpy(crcbuf, buffer, 0x100);
+ memcpy(crcbuf + 0x100, buffer + (bufferlength >> 1) - ((bufferlength & 0x6) >> 1), 0x100);
+ memcpy(crcbuf + 0x200, buffer + bufferlength - 0x200, 0x200);
+
+ header->fastcksum = crc32(crcbuf, sizeof(crcbuf));
+ header->checksum = crc32(buffer, bufferlength);
+
+ if (master->unlock)
+ master->unlock(master, 0, master->erasesize);
+ res = erase_write (master, 0, master->erasesize, buffer);
+ if (res)
+ printk(KERN_ERR "Can't rewrite image header\n");
+
+out:
+ vfree(buffer);
+ return res;
+}
+
+static int __init parse_ar525w_partitions(struct mtd_info *master, struct mtd_partition **pparts, unsigned long plat_data)
+{
+ struct image_header header;
+ int res;
+ size_t len;
+ struct mtd_partition *rdc_flash_parts;
+ struct rdc_platform_data *pdata = (struct rdc_platform_data *) plat_data;
+
+ if (master->size != 0x400000) //4MB
+ return -ENOSYS;
+
+ res = master->read(master, 0x0, sizeof(header), &len, (char *)&header);
+ if (res)
+ return res;
+
+ if (strncmp(header.magic, "GMTK", 4))
+ return -ENOSYS;
+
+ if (header.kernelsz > 0x400000 || header.kernelsz < master->erasesize) {
+ printk(KERN_ERR "AR525W image header found, but seems corrupt, kernel size %u\n", header.kernelsz);
+ return -EINVAL;
+ }
+
+ if (header.kernelsz + sizeof(header) != header.imagesz) {
+ res = fixup_ar525w_header(master, &header);
+ if (res)
+ return res;
+ }
+
+ rdc_flash_parts = kzalloc(sizeof(struct mtd_partition) * 3, GFP_KERNEL);
+
+ rdc_flash_parts[0].name = "firmware";
+ rdc_flash_parts[0].offset = 0x0;
+ rdc_flash_parts[0].size = 0x3E0000;
+ rdc_flash_parts[1].name = "rootfs";
+ rdc_flash_parts[1].offset = header.kernelsz + sizeof(header);
+ rdc_flash_parts[1].size = rdc_flash_parts[0].size - rdc_flash_parts[1].offset;
+ rdc_flash_parts[2].name = "bootloader";
+ rdc_flash_parts[2].offset = 0x3E0000;
+ rdc_flash_parts[2].size = 0x20000;
+
+ *pparts = rdc_flash_parts;
+
+ pdata->led_data.num_leds = ARRAY_SIZE(ar525w_leds);
+ pdata->led_data.leds = ar525w_leds;
+ pdata->button_data.nbuttons = ARRAY_SIZE(ar525w_btns);
+ pdata->button_data.buttons = ar525w_btns;
+
+ return 3;
+}
+
+static struct mtd_part_parser __initdata ar525w_parser = {
+ .owner = THIS_MODULE,
+ .parse_fn = parse_ar525w_partitions,
+ .name = "AR525W",
+};
+
+static int __init ar525w_setup(void)
+{
+ return register_mtd_parser(&ar525w_parser);
+}
+
+arch_initcall(ar525w_setup);
Index: linux-2.6.32.10/arch/x86/mach-rdc321x/boards/bifferboard.c
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ linux-2.6.32.10/arch/x86/mach-rdc321x/boards/bifferboard.c 2010-04-28 11:39:32.000000000 +0200
@@ -0,0 +1,81 @@
+/*
+ * Bifferboard RDC321x platform devices
+ *
+ * Copyright (C) 2010 bifferos@yahoo.co.uk
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ */
+
+#include <linux/init.h>
+#include <linux/mtd/physmap.h>
+#include <linux/input.h>
+
+#include <asm/rdc_boards.h>
+
+static int __init parse_bifferboard_partitions(struct mtd_info *master, struct mtd_partition **pparts, unsigned long plat_data)
+{
+ int res;
+ size_t len;
+ struct mtd_partition *rdc_flash_parts;
+ u32 kernel_len;
+ u16 tmp;
+
+ if (master->size == 0x100000)
+ kernel_len = master->size - 0x10000;
+ else {
+ res = master->read(master, 0x4000 + 1036, 2, &len, (char *) &tmp);
+ if (res)
+ return res;
+ kernel_len = tmp * master->erasesize;
+ }
+
+ rdc_flash_parts = kzalloc(sizeof(struct mtd_partition) * 4, GFP_KERNEL);
+
+ *pparts = rdc_flash_parts;
+
+ rdc_flash_parts[0].name = "biffboot";
+ rdc_flash_parts[0].offset = master->size - 0x10000;
+ rdc_flash_parts[0].size = 0x10000;
+ rdc_flash_parts[0].mask_flags = MTD_WRITEABLE;
+ rdc_flash_parts[1].name = "firmware";
+ rdc_flash_parts[1].offset = 0;
+ rdc_flash_parts[1].size = rdc_flash_parts[0].offset;
+ rdc_flash_parts[2].name = "kernel";
+ rdc_flash_parts[2].offset = 0x00000000;
+ rdc_flash_parts[2].size = kernel_len;
+
+ if (master->size == 0x100000)
+ return 2;
+
+ rdc_flash_parts[3].name = "rootfs";
+ rdc_flash_parts[3].offset = MTDPART_OFS_APPEND;
+ rdc_flash_parts[3].size = rdc_flash_parts[1].size - rdc_flash_parts[2].size;
+
+ return 4;
+}
+
+struct mtd_part_parser __initdata bifferboard_parser = {
+ .owner = THIS_MODULE,
+ .parse_fn = parse_bifferboard_partitions,
+ .name = "Bifferboard",
+};
+
+static int __init bifferboard_setup(void)
+{
+ return register_mtd_parser(&bifferboard_parser);
+}
+arch_initcall(bifferboard_setup);
Index: linux-2.6.32.10/arch/x86/mach-rdc321x/boards/r8610.c
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ linux-2.6.32.10/arch/x86/mach-rdc321x/boards/r8610.c 2010-04-28 11:39:32.000000000 +0200
@@ -0,0 +1,65 @@
+/*
+ * R8610 RDC321x platform devices
+ *
+ * Copyright (C) 2009, Florian Fainelli <florian@openwrt.org>
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ */
+
+#include <linux/init.h>
+#include <linux/mtd/physmap.h>
+#include <linux/input.h>
+
+#include <asm/rdc_boards.h>
+
+static int __init parse_r8610_partitions(struct mtd_info *master, struct mtd_partition **pparts, unsigned long plat_data)
+{
+ struct mtd_partition *rdc_flash_parts;
+
+ rdc_flash_parts = kzalloc(sizeof(struct mtd_partition) * 4, GFP_KERNEL);
+
+ *pparts = rdc_flash_parts;
+
+ rdc_flash_parts[0].name = "kernel";
+ rdc_flash_parts[0].size = 0x001f0000;
+ rdc_flash_parts[0].offset = 0;
+ rdc_flash_parts[1].name = "config";
+ rdc_flash_parts[1].size = 0x10000;
+ rdc_flash_parts[1].offset = MTDPART_OFS_APPEND;
+ rdc_flash_parts[2].name = "rootfs";
+ rdc_flash_parts[2].size = 0x1E0000;
+ rdc_flash_parts[2].offset = MTDPART_OFS_APPEND;
+ rdc_flash_parts[3].name = "redboot";
+ rdc_flash_parts[3].size = 0x20000;
+ rdc_flash_parts[3].offset = MTDPART_OFS_APPEND;
+ rdc_flash_parts[3].mask_flags = MTD_WRITEABLE;
+
+ return 4;
+}
+
+struct mtd_part_parser __initdata r8610_parser = {
+ .owner = THIS_MODULE,
+ .parse_fn = parse_r8610_partitions,
+ .name = "R8610",
+};
+
+static int __init r8610_setup(void)
+{
+ return register_mtd_parser(&r8610_parser);
+}
+
+arch_initcall(r8610_setup);
Index: linux-2.6.32.10/arch/x86/mach-rdc321x/boards/sitecom.c
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ linux-2.6.32.10/arch/x86/mach-rdc321x/boards/sitecom.c 2010-04-28 11:39:32.000000000 +0200
@@ -0,0 +1,111 @@
+/*
+ * Sitecom RDC321x platform devices
+ *
+ * Copyright (C) 2007-2009 OpenWrt.org
+ * Copyright (C) 2007 Florian Fainelli <florian@openwrt.org>
+ * Copyright (C) 2008-2009 Daniel Gimpelevich <daniel@gimpelevich.san-francisco.ca.us>
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ */
+
+#include <linux/init.h>
+#include <linux/mtd/physmap.h>
+#include <linux/input.h>
+
+#include <asm/rdc_boards.h>
+
+struct image_header {
+ char magic[4];
+ u32 kernel_length;
+ u32 ramdisk_length;
+ char magic2[4];
+ u32 kernel_length2;
+};
+
+static struct gpio_led sitecom_leds[] = {
+ { .name = "rdc321x:power", .gpio = 15, .active_low = 1},
+ { .name = "rdc321x:usb0", .gpio = 0, .active_low = 1},
+ { .name = "rdc321x:usb1", .gpio = 1, .active_low = 1},
+};
+
+static struct gpio_button sitecom_btns[] = {
+ {
+ .gpio = 6,
+ .code = BTN_0,
+ .desc = "Reset",
+ .active_low = 1,
+ }
+};
+
+static int __init parse_sitecom_partitions(struct mtd_info *master, struct mtd_partition **pparts, unsigned long plat_data)
+{
+ struct image_header header;
+ int res;
+ size_t len;
+ struct mtd_partition *rdc_flash_parts;
+ struct rdc_platform_data *pdata = (struct rdc_platform_data *) plat_data;
+
+ if (master->size != 0x400000) /* 4MB */
+ return -ENOSYS;
+
+ res = master->read(master, 0x8000, sizeof(header), &len, (char *)&header);
+ if (res)
+ return res;
+
+ if (strncmp(header.magic, "CSYS", 4) || strncmp(header.magic2, "WRRM", 4))
+ return -ENOSYS;
+
+ rdc_flash_parts = kzalloc(sizeof(struct mtd_partition) * 5, GFP_KERNEL);
+
+ rdc_flash_parts[0].name = "firmware";
+ rdc_flash_parts[0].offset = 0x8000;
+ rdc_flash_parts[0].size = 0x3F0000;
+ rdc_flash_parts[1].name = "config";
+ rdc_flash_parts[1].offset = 0;
+ rdc_flash_parts[1].size = 0x8000;
+ rdc_flash_parts[2].name = "kernel";
+ rdc_flash_parts[2].offset = 0x8014;
+ rdc_flash_parts[2].size = header.kernel_length;
+ rdc_flash_parts[3].name = "rootfs";
+ rdc_flash_parts[3].offset = 0x8014 + header.kernel_length;
+ rdc_flash_parts[3].size = 0x3F0000 - rdc_flash_parts[3].offset;
+ rdc_flash_parts[4].name = "bootloader";
+ rdc_flash_parts[4].offset = 0x3F0000;
+ rdc_flash_parts[4].size = 0x10000;
+
+ *pparts = rdc_flash_parts;
+
+ pdata->led_data.num_leds = ARRAY_SIZE(sitecom_leds);
+ pdata->led_data.leds = sitecom_leds;
+ pdata->button_data.nbuttons = ARRAY_SIZE(sitecom_btns);
+ pdata->button_data.buttons = sitecom_btns;
+
+ return 5;
+}
+
+struct mtd_part_parser __initdata sitecom_parser = {
+ .owner = THIS_MODULE,
+ .parse_fn = parse_sitecom_partitions,
+ .name = "Sitecom",
+};
+
+static int __init sitecom_setup(void)
+{
+ return register_mtd_parser(&sitecom_parser);
+}
+
+arch_initcall(sitecom_setup);
Index: linux-2.6.32.10/arch/x86/mach-rdc321x/reboot.c
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ linux-2.6.32.10/arch/x86/mach-rdc321x/reboot.c 2010-04-28 11:39:32.000000000 +0200
@@ -0,0 +1,44 @@
+/*
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ */
+
+#include <asm/reboot.h>
+#include <asm/io.h>
+
+static void rdc321x_reset(void)
+{
+ unsigned i;
+
+ /* write to southbridge config register 0x41
+ enable pci reset on cpu reset, make internal port 0x92 writeable
+ and switch port 0x92 to internal */
+ outl(0x80003840, 0xCF8);
+ i = inl(0xCFC);
+ i |= 0x1600;
+ outl(i, 0xCFC);
+
+ /* soft reset */
+ outb(1, 0x92);
+}
+
+static int __init rdc_setup_reset(void)
+{
+ machine_ops.emergency_restart = rdc321x_reset;
+ return 0;
+}
+
+arch_initcall(rdc_setup_reset);
Index: linux-2.6.32.10/arch/x86/include/asm/rdc_boards.h
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ linux-2.6.32.10/arch/x86/include/asm/rdc_boards.h 2010-04-28 11:39:32.000000000 +0200
@@ -0,0 +1,36 @@
+/*
+ * RDC321x boards
+ *
+ * Copyright (C) 2007-2009 OpenWrt.org
+ * Copyright (C) 2007 Florian Fainelli <florian@openwrt.org>
+ * Copyright (C) 2008-2009 Daniel Gimpelevich <daniel@gimpelevich.san-francisco.ca.us>
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ */
+
+#ifndef _RDC_BOARDS_H__
+#define _RDC_BOARDS_H__
+
+#include <linux/leds.h>
+#include <linux/gpio_buttons.h>
+
+struct rdc_platform_data {
+ struct gpio_led_platform_data led_data;
+ struct gpio_buttons_platform_data button_data;
+};
+
+#endif

315
target/linux/rdc/patches-2.6.32/110-rdc321x_watchdog_fix.patch Normal file
View file

@ -0,0 +1,315 @@
Index: linux-2.6.32.10/drivers/watchdog/rdc321x_wdt.c
===================================================================
--- linux-2.6.32.10.orig/drivers/watchdog/rdc321x_wdt.c 2010-04-28 11:39:28.000000000 +0200
+++ linux-2.6.32.10/drivers/watchdog/rdc321x_wdt.c 2010-04-28 11:40:11.000000000 +0200
@@ -36,111 +36,99 @@
#include <linux/watchdog.h>
#include <linux/io.h>
#include <linux/uaccess.h>
+#include <linux/pci.h>
+#include <linux/delay.h>
#include <linux/mfd/rdc321x.h>
-#define RDC_WDT_MASK 0x80000000 /* Mask */
+#define RDC321X_WDT_REG 0x00000044
+
#define RDC_WDT_EN 0x00800000 /* Enable bit */
-#define RDC_WDT_WTI 0x00200000 /* Generate CPU reset/NMI/WDT on timeout */
-#define RDC_WDT_RST 0x00100000 /* Reset bit */
-#define RDC_WDT_WIF 0x00040000 /* WDT IRQ Flag */
-#define RDC_WDT_IRT 0x00000100 /* IRQ Routing table */
-#define RDC_WDT_CNT 0x00000001 /* WDT count */
+#define RDC_WDT_WDTIRQ 0x00400000 /* Create WDT IRQ before CPU reset */
+#define RDC_WDT_NMIIRQ 0x00200000 /* Create NMI IRQ before CPU reset */
+#define RDC_WDT_RST 0x00100000 /* Reset wdt */
+#define RDC_WDT_NIF 0x00080000 /* NMI interrupt occured */
+#define RDC_WDT_WIF 0x00040000 /* WDT interrupt occured */
+#define RDC_WDT_IRT 0x00000700 /* IRQ Routing table */
+#define RDC_WDT_CNT 0x0000007F /* WDT count */
-#define RDC_CLS_TMR 0x80003844 /* Clear timer */
+/* default counter value (2.34 s) */
+#define RDC_WDT_DFLT_CNT 0x00000040
-#define RDC_WDT_INTERVAL (HZ/10+1)
+#define RDC_WDT_SETUP (RDC_WDT_EN | RDC_WDT_NMIIRQ | RDC_WDT_RST | RDC_WDT_DFLT_CNT)
static int ticks = 1000;
/* some device data */
static struct {
- struct completion stop;
- int running;
struct timer_list timer;
- int queue;
- int default_ticks;
- unsigned long inuse;
- spinlock_t lock;
+ int seconds_left;
+ int total_seconds;
+ bool inuse;
+ bool running;
+ bool close_expected;
+
struct pci_dev *sb_pdev;
int base_reg;
} rdc321x_wdt_device;
-/* generic helper functions */
+static struct watchdog_info ident = {
+ .options = WDIOF_SETTIMEOUT | WDIOF_MAGICCLOSE,
+ .identity = "RDC321x WDT",
+};
+
-static void rdc321x_wdt_trigger(unsigned long unused)
+/* generic helper functions */
+static void rdc321x_wdt_timer(unsigned long unused)
{
- unsigned long flags;
- u32 val;
+ if (!rdc321x_wdt_device.running) {
+ pci_write_config_dword(rdc321x_wdt_device.sb_pdev,
+ rdc321x_wdt_device.base_reg, 0);
+ return;
+ }
- if (rdc321x_wdt_device.running)
- ticks--;
+ rdc321x_wdt_device.seconds_left--;
- /* keep watchdog alive */
- spin_lock_irqsave(&rdc321x_wdt_device.lock, flags);
- pci_read_config_dword(rdc321x_wdt_device.sb_pdev,
- rdc321x_wdt_device.base_reg, &val);
- val |= RDC_WDT_EN;
- pci_write_config_dword(rdc321x_wdt_device.sb_pdev,
- rdc321x_wdt_device.base_reg, val);
- spin_unlock_irqrestore(&rdc321x_wdt_device.lock, flags);
+ if (rdc321x_wdt_device.seconds_left < 1)
+ return;
- /* requeue?? */
- if (rdc321x_wdt_device.queue && ticks)
- mod_timer(&rdc321x_wdt_device.timer,
- jiffies + RDC_WDT_INTERVAL);
- else {
- /* ticks doesn't matter anyway */
- complete(&rdc321x_wdt_device.stop);
- }
+ pci_write_config_dword(rdc321x_wdt_device.sb_pdev,
+ rdc321x_wdt_device.base_reg, RDC_WDT_SETUP);
+ mod_timer(&rdc321x_wdt_device.timer, HZ * 2 + jiffies);
}
static void rdc321x_wdt_reset(void)
{
- ticks = rdc321x_wdt_device.default_ticks;
+ rdc321x_wdt_device.seconds_left = rdc321x_wdt_device.total_seconds;
}
static void rdc321x_wdt_start(void)
{
- unsigned long flags;
-
- if (!rdc321x_wdt_device.queue) {
- rdc321x_wdt_device.queue = 1;
-
- /* Clear the timer */
- spin_lock_irqsave(&rdc321x_wdt_device.lock, flags);
- pci_write_config_dword(rdc321x_wdt_device.sb_pdev,
- rdc321x_wdt_device.base_reg, RDC_CLS_TMR);
-
- /* Enable watchdog and set the timeout to 81.92 us */
- pci_write_config_dword(rdc321x_wdt_device.sb_pdev,
- rdc321x_wdt_device.base_reg,
- RDC_WDT_EN | RDC_WDT_CNT);
- spin_unlock_irqrestore(&rdc321x_wdt_device.lock, flags);
+ if (rdc321x_wdt_device.running)
+ return;
- mod_timer(&rdc321x_wdt_device.timer,
- jiffies + RDC_WDT_INTERVAL);
- }
+ rdc321x_wdt_device.seconds_left = rdc321x_wdt_device.total_seconds;
+ rdc321x_wdt_device.running = true;
+ rdc321x_wdt_timer(0);
- /* if process dies, counter is not decremented */
- rdc321x_wdt_device.running++;
+ return;
}
static int rdc321x_wdt_stop(void)
{
- if (rdc321x_wdt_device.running)
- rdc321x_wdt_device.running = 0;
+ if (WATCHDOG_NOWAYOUT)
+ return -ENOSYS;
- ticks = rdc321x_wdt_device.default_ticks;
+ rdc321x_wdt_device.running = false;
- return -EIO;
+ return 0;
}
/* filesystem operations */
static int rdc321x_wdt_open(struct inode *inode, struct file *file)
{
- if (test_and_set_bit(0, &rdc321x_wdt_device.inuse))
+ if (xchg(&rdc321x_wdt_device.inuse, true))
return -EBUSY;
return nonseekable_open(inode, file);
@@ -148,7 +136,16 @@
static int rdc321x_wdt_release(struct inode *inode, struct file *file)
{
- clear_bit(0, &rdc321x_wdt_device.inuse);
+ int ret;
+
+ if (rdc321x_wdt_device.close_expected) {
+ ret = rdc321x_wdt_stop();
+ if (ret)
+ return ret;
+ }
+
+ rdc321x_wdt_device.inuse = false;
+
return 0;
}
@@ -156,30 +153,29 @@
unsigned long arg)
{
void __user *argp = (void __user *)arg;
- u32 value;
- static struct watchdog_info ident = {
- .options = WDIOF_CARDRESET,
- .identity = "RDC321x WDT",
- };
- unsigned long flags;
+ int value;
switch (cmd) {
case WDIOC_KEEPALIVE:
rdc321x_wdt_reset();
break;
- case WDIOC_GETSTATUS:
- /* Read the value from the DATA register */
- spin_lock_irqsave(&rdc321x_wdt_device.lock, flags);
- pci_read_config_dword(rdc321x_wdt_device.sb_pdev,
- rdc321x_wdt_device.base_reg, &value);
- spin_unlock_irqrestore(&rdc321x_wdt_device.lock, flags);
- if (copy_to_user(argp, &value, sizeof(u32)))
- return -EFAULT;
- break;
case WDIOC_GETSUPPORT:
if (copy_to_user(argp, &ident, sizeof(ident)))
return -EFAULT;
break;
+ case WDIOC_SETTIMEOUT:
+ if (copy_from_user(&rdc321x_wdt_device.total_seconds, argp, sizeof(int)))
+ return -EFAULT;
+ rdc321x_wdt_device.seconds_left = rdc321x_wdt_device.total_seconds;
+ break;
+ case WDIOC_GETTIMEOUT:
+ if (copy_to_user(argp, &rdc321x_wdt_device.total_seconds, sizeof(int)))
+ return -EFAULT;
+ break;
+ case WDIOC_GETTIMELEFT:
+ if (copy_to_user(argp, &rdc321x_wdt_device.seconds_left, sizeof(int)))
+ return -EFAULT;
+ break;
case WDIOC_SETOPTIONS:
if (copy_from_user(&value, argp, sizeof(int)))
return -EFAULT;
@@ -194,17 +190,34 @@
}
break;
default:
- return -ENOTTY;
+ return -EINVAL;
}
+
return 0;
}
static ssize_t rdc321x_wdt_write(struct file *file, const char __user *buf,
size_t count, loff_t *ppos)
{
+ size_t i;
+
if (!count)
return -EIO;
+ rdc321x_wdt_device.close_expected = false;
+
+ for (i = 0; i != count; i++) {
+ char c;
+
+ if (get_user(c, buf + i))
+ return -EFAULT;
+
+ if (c == 'V') {
+ rdc321x_wdt_device.close_expected = true;
+ break;
+ }
+ }
+
rdc321x_wdt_reset();
return count;
@@ -246,27 +259,18 @@
rdc321x_wdt_device.sb_pdev = pdata->sb_pdev;
rdc321x_wdt_device.base_reg = r->start;
+ rdc321x_wdt_device.running = false;
+ rdc321x_wdt_device.close_expected = false;
+ rdc321x_wdt_device.inuse = 0;
+ setup_timer(&rdc321x_wdt_device.timer, rdc321x_wdt_timer, 0);
+ rdc321x_wdt_device.total_seconds = 100;
+
err = misc_register(&rdc321x_wdt_misc);
if (err < 0) {
dev_err(&pdev->dev, "misc_register failed\n");
return err;
}
- spin_lock_init(&rdc321x_wdt_device.lock);
-
- /* Reset the watchdog */
- pci_write_config_dword(rdc321x_wdt_device.sb_pdev,
- rdc321x_wdt_device.base_reg, RDC_WDT_RST);
-
- init_completion(&rdc321x_wdt_device.stop);
- rdc321x_wdt_device.queue = 0;
-
- clear_bit(0, &rdc321x_wdt_device.inuse);
-
- setup_timer(&rdc321x_wdt_device.timer, rdc321x_wdt_trigger, 0);
-
- rdc321x_wdt_device.default_ticks = ticks;
-
dev_info(&pdev->dev, "watchdog init success\n");
return 0;
@@ -274,10 +278,11 @@
static int __devexit rdc321x_wdt_remove(struct platform_device *pdev)
{
- if (rdc321x_wdt_device.queue) {
- rdc321x_wdt_device.queue = 0;
- wait_for_completion(&rdc321x_wdt_device.stop);
- }
+ if (rdc321x_wdt_device.inuse)
+ rdc321x_wdt_device.inuse = 0;
+
+ while (timer_pending(&rdc321x_wdt_device.timer))
+ msleep(100);
misc_deregister(&rdc321x_wdt_misc);