watchdog: jz4740: Use register names from <linux/mfd/ingenic-tcu.h>

Use the macros from <linux/mfd/ingenic-tcu.h> instead of declaring our
own.

Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>

diff --git a/drivers/watchdog/jz4740_wdt.c b/drivers/watchdog/jz4740_wdt.c
index 03b187c..f1199db 100644 (file)
--- a/drivers/watchdog/jz4740_wdt.c
+++ b/drivers/watchdog/jz4740_wdt.c
@@ -4,6 +4,7 @@
  *  JZ4740 Watchdog driver
  */
 
+#include <linux/mfd/ingenic-tcu.h>
 #include <linux/module.h>
 #include <linux/moduleparam.h>
 #include <linux/types.h>
@@ -19,23 +20,16 @@
 
 #include <asm/mach-jz4740/timer.h>
 
-#define JZ_REG_WDT_TIMER_DATA     0x0
-#define JZ_REG_WDT_COUNTER_ENABLE 0x4
-#define JZ_REG_WDT_TIMER_COUNTER  0x8
-#define JZ_REG_WDT_TIMER_CONTROL  0xC
-
 #define JZ_WDT_CLOCK_PCLK 0x1
 #define JZ_WDT_CLOCK_RTC  0x2
 #define JZ_WDT_CLOCK_EXT  0x4
 
-#define JZ_WDT_CLOCK_DIV_SHIFT   3
-
-#define JZ_WDT_CLOCK_DIV_1    (0 << JZ_WDT_CLOCK_DIV_SHIFT)
-#define JZ_WDT_CLOCK_DIV_4    (1 << JZ_WDT_CLOCK_DIV_SHIFT)
-#define JZ_WDT_CLOCK_DIV_16   (2 << JZ_WDT_CLOCK_DIV_SHIFT)
-#define JZ_WDT_CLOCK_DIV_64   (3 << JZ_WDT_CLOCK_DIV_SHIFT)
-#define JZ_WDT_CLOCK_DIV_256  (4 << JZ_WDT_CLOCK_DIV_SHIFT)
-#define JZ_WDT_CLOCK_DIV_1024 (5 << JZ_WDT_CLOCK_DIV_SHIFT)
+#define JZ_WDT_CLOCK_DIV_1    (0 << TCU_TCSR_PRESCALE_LSB)
+#define JZ_WDT_CLOCK_DIV_4    (1 << TCU_TCSR_PRESCALE_LSB)
+#define JZ_WDT_CLOCK_DIV_16   (2 << TCU_TCSR_PRESCALE_LSB)
+#define JZ_WDT_CLOCK_DIV_64   (3 << TCU_TCSR_PRESCALE_LSB)
+#define JZ_WDT_CLOCK_DIV_256  (4 << TCU_TCSR_PRESCALE_LSB)
+#define JZ_WDT_CLOCK_DIV_1024 (5 << TCU_TCSR_PRESCALE_LSB)
 
 #define DEFAULT_HEARTBEAT 5
 #define MAX_HEARTBEAT     2048
@@ -63,7 +57,7 @@ static int jz4740_wdt_ping(struct watchdog_device *wdt_dev)
 {
        struct jz4740_wdt_drvdata *drvdata = watchdog_get_drvdata(wdt_dev);
 
-       writew(0x0, drvdata->base + JZ_REG_WDT_TIMER_COUNTER);
+       writew(0x0, drvdata->base + TCU_REG_WDT_TCNT);
        return 0;
 }
 
@@ -86,18 +80,17 @@ static int jz4740_wdt_set_timeout(struct watchdog_device *wdt_dev,
                        break;
                }
                timeout_value >>= 2;
-               clock_div += (1 << JZ_WDT_CLOCK_DIV_SHIFT);
+               clock_div += (1 << TCU_TCSR_PRESCALE_LSB);
        }
 
-       writeb(0x0, drvdata->base + JZ_REG_WDT_COUNTER_ENABLE);
-       writew(clock_div, drvdata->base + JZ_REG_WDT_TIMER_CONTROL);
+       writeb(0x0, drvdata->base + TCU_REG_WDT_TCER);
+       writew(clock_div, drvdata->base + TCU_REG_WDT_TCSR);
 
-       writew((u16)timeout_value, drvdata->base + JZ_REG_WDT_TIMER_DATA);
-       writew(0x0, drvdata->base + JZ_REG_WDT_TIMER_COUNTER);
-       writew(clock_div | JZ_WDT_CLOCK_RTC,
-               drvdata->base + JZ_REG_WDT_TIMER_CONTROL);
+       writew((u16)timeout_value, drvdata->base + TCU_REG_WDT_TDR);
+       writew(0x0, drvdata->base + TCU_REG_WDT_TCNT);
+       writew(clock_div | JZ_WDT_CLOCK_RTC, drvdata->base + TCU_REG_WDT_TCSR);
 
-       writeb(0x1, drvdata->base + JZ_REG_WDT_COUNTER_ENABLE);
+       writeb(0x1, drvdata->base + TCU_REG_WDT_TCER);
 
        wdt_dev->timeout = new_timeout;
        return 0;
@@ -115,7 +108,7 @@ static int jz4740_wdt_stop(struct watchdog_device *wdt_dev)
 {
        struct jz4740_wdt_drvdata *drvdata = watchdog_get_drvdata(wdt_dev);
 
-       writeb(0x0, drvdata->base + JZ_REG_WDT_COUNTER_ENABLE);
+       writeb(0x0, drvdata->base + TCU_REG_WDT_TCER);
        jz4740_timer_disable_watchdog();
 
        return 0;