hc
2024-05-14 bedbef8ad3e75a304af6361af235302bcc61d06b
kernel/drivers/watchdog/at91sam9_wdt.h
....@@ -4,33 +4,58 @@
44 *
55 * Copyright (C) 2007 Andrew Victor
66 * Copyright (C) 2007 Atmel Corporation.
7
+ * Copyright (C) 2019 Microchip Technology Inc. and its subsidiaries
78 *
89 * Watchdog Timer (WDT) - System peripherals regsters.
910 * Based on AT91SAM9261 datasheet revision D.
11
+ * Based on SAM9X60 datasheet.
1012 *
1113 */
1214
1315 #ifndef AT91_WDT_H
1416 #define AT91_WDT_H
1517
18
+#include <linux/bits.h>
19
+
1620 #define AT91_WDT_CR 0x00 /* Watchdog Control Register */
17
-#define AT91_WDT_WDRSTT (1 << 0) /* Restart */
18
-#define AT91_WDT_KEY (0xa5 << 24) /* KEY Password */
21
+#define AT91_WDT_WDRSTT BIT(0) /* Restart */
22
+#define AT91_WDT_KEY (0xa5UL << 24) /* KEY Password */
1923
2024 #define AT91_WDT_MR 0x04 /* Watchdog Mode Register */
21
-#define AT91_WDT_WDV (0xfff << 0) /* Counter Value */
22
-#define AT91_WDT_SET_WDV(x) ((x) & AT91_WDT_WDV)
23
-#define AT91_WDT_WDFIEN (1 << 12) /* Fault Interrupt Enable */
24
-#define AT91_WDT_WDRSTEN (1 << 13) /* Reset Processor */
25
-#define AT91_WDT_WDRPROC (1 << 14) /* Timer Restart */
26
-#define AT91_WDT_WDDIS (1 << 15) /* Watchdog Disable */
27
-#define AT91_WDT_WDD (0xfff << 16) /* Delta Value */
28
-#define AT91_WDT_SET_WDD(x) (((x) << 16) & AT91_WDT_WDD)
29
-#define AT91_WDT_WDDBGHLT (1 << 28) /* Debug Halt */
30
-#define AT91_WDT_WDIDLEHLT (1 << 29) /* Idle Halt */
25
+#define AT91_WDT_WDV (0xfffUL << 0) /* Counter Value */
26
+#define AT91_WDT_SET_WDV(x) ((x) & AT91_WDT_WDV)
27
+#define AT91_SAM9X60_PERIODRST BIT(4) /* Period Reset */
28
+#define AT91_SAM9X60_RPTHRST BIT(5) /* Minimum Restart Period */
29
+#define AT91_WDT_WDFIEN BIT(12) /* Fault Interrupt Enable */
30
+#define AT91_SAM9X60_WDDIS BIT(12) /* Watchdog Disable */
31
+#define AT91_WDT_WDRSTEN BIT(13) /* Reset Processor */
32
+#define AT91_WDT_WDRPROC BIT(14) /* Timer Restart */
33
+#define AT91_WDT_WDDIS BIT(15) /* Watchdog Disable */
34
+#define AT91_WDT_WDD (0xfffUL << 16) /* Delta Value */
35
+#define AT91_WDT_SET_WDD(x) (((x) << 16) & AT91_WDT_WDD)
36
+#define AT91_WDT_WDDBGHLT BIT(28) /* Debug Halt */
37
+#define AT91_WDT_WDIDLEHLT BIT(29) /* Idle Halt */
3138
32
-#define AT91_WDT_SR 0x08 /* Watchdog Status Register */
33
-#define AT91_WDT_WDUNF (1 << 0) /* Watchdog Underflow */
34
-#define AT91_WDT_WDERR (1 << 1) /* Watchdog Error */
39
+#define AT91_WDT_SR 0x08 /* Watchdog Status Register */
40
+#define AT91_WDT_WDUNF BIT(0) /* Watchdog Underflow */
41
+#define AT91_WDT_WDERR BIT(1) /* Watchdog Error */
42
+
43
+/* Watchdog Timer Value Register */
44
+#define AT91_SAM9X60_VR 0x08
45
+
46
+/* Watchdog Window Level Register */
47
+#define AT91_SAM9X60_WLR 0x0c
48
+/* Watchdog Period Value */
49
+#define AT91_SAM9X60_COUNTER (0xfffUL << 0)
50
+#define AT91_SAM9X60_SET_COUNTER(x) ((x) & AT91_SAM9X60_COUNTER)
51
+
52
+/* Interrupt Enable Register */
53
+#define AT91_SAM9X60_IER 0x14
54
+/* Period Interrupt Enable */
55
+#define AT91_SAM9X60_PERINT BIT(0)
56
+/* Interrupt Disable Register */
57
+#define AT91_SAM9X60_IDR 0x18
58
+/* Interrupt Status Register */
59
+#define AT91_SAM9X60_ISR 0x1c
3560
3661 #endif