*
* Copyright (C) 2007 Andrew Victor
* Copyright (C) 2007 Atmel Corporation.
+ * Copyright (C) 2019 Microchip Technology Inc. and its subsidiaries
*
* Watchdog Timer (WDT) - System peripherals regsters.
* Based on AT91SAM9261 datasheet revision D.
+ * Based on SAM9X60 datasheet.
*
*/
#ifndef AT91_WDT_H
#define AT91_WDT_H
+#include <linux/bits.h>
+
#define AT91_WDT_CR 0x00 /* Watchdog Control Register */
-#define AT91_WDT_WDRSTT (1 << 0) /* Restart */
-#define AT91_WDT_KEY (0xa5 << 24) /* KEY Password */
+#define AT91_WDT_WDRSTT BIT(0) /* Restart */
+#define AT91_WDT_KEY (0xa5UL << 24) /* KEY Password */
#define AT91_WDT_MR 0x04 /* Watchdog Mode Register */
-#define AT91_WDT_WDV (0xfff << 0) /* Counter Value */
-#define AT91_WDT_SET_WDV(x) ((x) & AT91_WDT_WDV)
-#define AT91_WDT_WDFIEN (1 << 12) /* Fault Interrupt Enable */
-#define AT91_WDT_WDRSTEN (1 << 13) /* Reset Processor */
-#define AT91_WDT_WDRPROC (1 << 14) /* Timer Restart */
-#define AT91_WDT_WDDIS (1 << 15) /* Watchdog Disable */
-#define AT91_WDT_WDD (0xfff << 16) /* Delta Value */
-#define AT91_WDT_SET_WDD(x) (((x) << 16) & AT91_WDT_WDD)
-#define AT91_WDT_WDDBGHLT (1 << 28) /* Debug Halt */
-#define AT91_WDT_WDIDLEHLT (1 << 29) /* Idle Halt */
+#define AT91_WDT_WDV (0xfffUL << 0) /* Counter Value */
+#define AT91_WDT_SET_WDV(x) ((x) & AT91_WDT_WDV)
+#define AT91_WDT_WDFIEN BIT(12) /* Fault Interrupt Enable */
+#define AT91_WDT_WDRSTEN BIT(13) /* Reset Processor */
+#define AT91_WDT_WDRPROC BIT(14) /* Timer Restart */
+#define AT91_WDT_WDDIS BIT(15) /* Watchdog Disable */
+#define AT91_WDT_WDD (0xfffUL << 16) /* Delta Value */
+#define AT91_WDT_SET_WDD(x) (((x) << 16) & AT91_WDT_WDD)
+#define AT91_WDT_WDDBGHLT BIT(28) /* Debug Halt */
+#define AT91_WDT_WDIDLEHLT BIT(29) /* Idle Halt */
-#define AT91_WDT_SR 0x08 /* Watchdog Status Register */
-#define AT91_WDT_WDUNF (1 << 0) /* Watchdog Underflow */
-#define AT91_WDT_WDERR (1 << 1) /* Watchdog Error */
+#define AT91_WDT_SR 0x08 /* Watchdog Status Register */
+#define AT91_WDT_WDUNF BIT(0) /* Watchdog Underflow */
+#define AT91_WDT_WDERR BIT(1) /* Watchdog Error */
#endif