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--- a/drivers/watchdog/bcm7038_wdt.c
+++ b/drivers/watchdog/bcm7038_wdt.c
@@ -34,6 +34,24 @@ struct bcm7038_watchdog {
static bool nowayout = WATCHDOG_NOWAYOUT;
+static inline void bcm7038_wdt_write(unsigned long data, void __iomem *reg)
+{
+#ifdef CONFIG_CPU_BIG_ENDIAN
+ iowrite32be(data, reg);
+#else
+ writel(data, reg);
+#endif
+}
+
+static inline unsigned long bcm7038_wdt_read(void __iomem *reg)
+{
+#ifdef CONFIG_CPU_BIG_ENDIAN
+ return ioread32be(reg);
+#else
+ return readl(reg);
+#endif
+}
+
static void bcm7038_wdt_set_timeout_reg(struct watchdog_device *wdog)
{
struct bcm7038_watchdog *wdt = watchdog_get_drvdata(wdog);
@@ -41,15 +59,15 @@ static void bcm7038_wdt_set_timeout_reg(
timeout = wdt->rate * wdog->timeout;
- writel(timeout, wdt->base + WDT_TIMEOUT_REG);
+ bcm7038_wdt_write(timeout, wdt->base + WDT_TIMEOUT_REG);
}
static int bcm7038_wdt_ping(struct watchdog_device *wdog)
{
struct bcm7038_watchdog *wdt = watchdog_get_drvdata(wdog);
- writel(WDT_START_1, wdt->base + WDT_CMD_REG);
- writel(WDT_START_2, wdt->base + WDT_CMD_REG);
+ bcm7038_wdt_write(WDT_START_1, wdt->base + WDT_CMD_REG);
+ bcm7038_wdt_write(WDT_START_2, wdt->base + WDT_CMD_REG);
return 0;
}
@@ -66,8 +84,8 @@ static int bcm7038_wdt_stop(struct watch
{
struct bcm7038_watchdog *wdt = watchdog_get_drvdata(wdog);
- writel(WDT_STOP_1, wdt->base + WDT_CMD_REG);
- writel(WDT_STOP_2, wdt->base + WDT_CMD_REG);
+ bcm7038_wdt_write(WDT_STOP_1, wdt->base + WDT_CMD_REG);
+ bcm7038_wdt_write(WDT_STOP_2, wdt->base + WDT_CMD_REG);
return 0;
}
@@ -88,7 +106,7 @@ static unsigned int bcm7038_wdt_get_time
struct bcm7038_watchdog *wdt = watchdog_get_drvdata(wdog);
u32 time_left;
- time_left = readl(wdt->base + WDT_CMD_REG);
+ time_left = bcm7038_wdt_read(wdt->base + WDT_CMD_REG);
return time_left / wdt->rate;
}
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