diff options
Diffstat (limited to 'drivers/watchdog')
| -rw-r--r-- | drivers/watchdog/Kconfig | 2 | ||||
| -rw-r--r-- | drivers/watchdog/at91rm9200_wdt.c | 8 | ||||
| -rw-r--r-- | drivers/watchdog/orion_wdt.c | 24 |
3 files changed, 20 insertions, 14 deletions
diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig index 5d8cd69e191a..37096246c937 100644 --- a/drivers/watchdog/Kconfig +++ b/drivers/watchdog/Kconfig @@ -172,7 +172,7 @@ config HAVE_S3C2410_WATCHDOG config S3C2410_WATCHDOG tristate "S3C2410 Watchdog" - depends on ARCH_S3C2410 || HAVE_S3C2410_WATCHDOG + depends on HAVE_S3C2410_WATCHDOG select WATCHDOG_CORE help Watchdog timer block in the Samsung SoCs. This will reboot diff --git a/drivers/watchdog/at91rm9200_wdt.c b/drivers/watchdog/at91rm9200_wdt.c index ad12c2030441..7ef99a169e3b 100644 --- a/drivers/watchdog/at91rm9200_wdt.c +++ b/drivers/watchdog/at91rm9200_wdt.c @@ -53,7 +53,7 @@ static unsigned long at91wdt_busy; */ static inline void at91_wdt_stop(void) { - at91_sys_write(AT91_ST_WDMR, AT91_ST_EXTEN); + at91_st_write(AT91_ST_WDMR, AT91_ST_EXTEN); } /* @@ -61,9 +61,9 @@ static inline void at91_wdt_stop(void) */ static inline void at91_wdt_start(void) { - at91_sys_write(AT91_ST_WDMR, AT91_ST_EXTEN | AT91_ST_RSTEN | + at91_st_write(AT91_ST_WDMR, AT91_ST_EXTEN | AT91_ST_RSTEN | (((65536 * wdt_time) >> 8) & AT91_ST_WDV)); - at91_sys_write(AT91_ST_CR, AT91_ST_WDRST); + at91_st_write(AT91_ST_CR, AT91_ST_WDRST); } /* @@ -71,7 +71,7 @@ static inline void at91_wdt_start(void) */ static inline void at91_wdt_reload(void) { - at91_sys_write(AT91_ST_CR, AT91_ST_WDRST); + at91_st_write(AT91_ST_CR, AT91_ST_WDRST); } /* ......................................................................... */ diff --git a/drivers/watchdog/orion_wdt.c b/drivers/watchdog/orion_wdt.c index 173ddf1ba004..788aa158e78c 100644 --- a/drivers/watchdog/orion_wdt.c +++ b/drivers/watchdog/orion_wdt.c @@ -30,9 +30,9 @@ /* * Watchdog timer block registers. */ -#define TIMER_CTRL (TIMER_VIRT_BASE + 0x0000) +#define TIMER_CTRL 0x0000 #define WDT_EN 0x0010 -#define WDT_VAL (TIMER_VIRT_BASE + 0x0024) +#define WDT_VAL 0x0024 #define WDT_MAX_CYCLE_COUNT 0xffffffff #define WDT_IN_USE 0 @@ -42,6 +42,7 @@ static bool nowayout = WATCHDOG_NOWAYOUT; static int heartbeat = -1; /* module parameter (seconds) */ static unsigned int wdt_max_duration; /* (seconds) */ static unsigned int wdt_tclk; +static void __iomem *wdt_reg; static unsigned long wdt_status; static DEFINE_SPINLOCK(wdt_lock); @@ -50,7 +51,7 @@ static void orion_wdt_ping(void) spin_lock(&wdt_lock); /* Reload watchdog duration */ - writel(wdt_tclk * heartbeat, WDT_VAL); + writel(wdt_tclk * heartbeat, wdt_reg + WDT_VAL); spin_unlock(&wdt_lock); } @@ -62,7 +63,7 @@ static void orion_wdt_enable(void) spin_lock(&wdt_lock); /* Set watchdog duration */ - writel(wdt_tclk * heartbeat, WDT_VAL); + writel(wdt_tclk * heartbeat, wdt_reg + WDT_VAL); /* Clear watchdog timer interrupt */ reg = readl(BRIDGE_CAUSE); @@ -70,9 +71,9 @@ static void orion_wdt_enable(void) writel(reg, BRIDGE_CAUSE); /* Enable watchdog timer */ - reg = readl(TIMER_CTRL); + reg = readl(wdt_reg + TIMER_CTRL); reg |= WDT_EN; - writel(reg, TIMER_CTRL); + writel(reg, wdt_reg + TIMER_CTRL); /* Enable reset on watchdog */ reg = readl(RSTOUTn_MASK); @@ -94,9 +95,9 @@ static void orion_wdt_disable(void) writel(reg, RSTOUTn_MASK); /* Disable watchdog timer */ - reg = readl(TIMER_CTRL); + reg = readl(wdt_reg + TIMER_CTRL); reg &= ~WDT_EN; - writel(reg, TIMER_CTRL); + writel(reg, wdt_reg + TIMER_CTRL); spin_unlock(&wdt_lock); } @@ -104,7 +105,7 @@ static void orion_wdt_disable(void) static int orion_wdt_get_timeleft(int *time_left) { spin_lock(&wdt_lock); - *time_left = readl(WDT_VAL) / wdt_tclk; + *time_left = readl(wdt_reg + WDT_VAL) / wdt_tclk; spin_unlock(&wdt_lock); return 0; } @@ -237,6 +238,7 @@ static struct miscdevice orion_wdt_miscdev = { static int __devinit orion_wdt_probe(struct platform_device *pdev) { struct orion_wdt_platform_data *pdata = pdev->dev.platform_data; + struct resource *res; int ret; if (pdata) { @@ -246,6 +248,10 @@ static int __devinit orion_wdt_probe(struct platform_device *pdev) return -ENODEV; } + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + + wdt_reg = ioremap(res->start, resource_size(res)); + if (orion_wdt_miscdev.parent) return -EBUSY; orion_wdt_miscdev.parent = &pdev->dev; |