.. | .. |
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4 | 4 | * |
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5 | 5 | * Copyright (C) 2007 Andrew Victor |
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6 | 6 | * Copyright (C) 2007 Atmel Corporation. |
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| 7 | + * Copyright (C) 2019 Microchip Technology Inc. and its subsidiaries |
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7 | 8 | * |
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8 | 9 | * Watchdog Timer (WDT) - System peripherals regsters. |
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9 | 10 | * Based on AT91SAM9261 datasheet revision D. |
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| 11 | + * Based on SAM9X60 datasheet. |
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10 | 12 | * |
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11 | 13 | */ |
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12 | 14 | |
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13 | 15 | #ifndef AT91_WDT_H |
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14 | 16 | #define AT91_WDT_H |
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15 | 17 | |
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| 18 | +#include <linux/bits.h> |
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| 19 | + |
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16 | 20 | #define AT91_WDT_CR 0x00 /* Watchdog Control Register */ |
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17 | | -#define AT91_WDT_WDRSTT (1 << 0) /* Restart */ |
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18 | | -#define AT91_WDT_KEY (0xa5 << 24) /* KEY Password */ |
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| 21 | +#define AT91_WDT_WDRSTT BIT(0) /* Restart */ |
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| 22 | +#define AT91_WDT_KEY (0xa5UL << 24) /* KEY Password */ |
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19 | 23 | |
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20 | 24 | #define AT91_WDT_MR 0x04 /* Watchdog Mode Register */ |
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21 | | -#define AT91_WDT_WDV (0xfff << 0) /* Counter Value */ |
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22 | | -#define AT91_WDT_SET_WDV(x) ((x) & AT91_WDT_WDV) |
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23 | | -#define AT91_WDT_WDFIEN (1 << 12) /* Fault Interrupt Enable */ |
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24 | | -#define AT91_WDT_WDRSTEN (1 << 13) /* Reset Processor */ |
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25 | | -#define AT91_WDT_WDRPROC (1 << 14) /* Timer Restart */ |
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26 | | -#define AT91_WDT_WDDIS (1 << 15) /* Watchdog Disable */ |
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27 | | -#define AT91_WDT_WDD (0xfff << 16) /* Delta Value */ |
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28 | | -#define AT91_WDT_SET_WDD(x) (((x) << 16) & AT91_WDT_WDD) |
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29 | | -#define AT91_WDT_WDDBGHLT (1 << 28) /* Debug Halt */ |
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30 | | -#define AT91_WDT_WDIDLEHLT (1 << 29) /* Idle Halt */ |
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| 25 | +#define AT91_WDT_WDV (0xfffUL << 0) /* Counter Value */ |
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| 26 | +#define AT91_WDT_SET_WDV(x) ((x) & AT91_WDT_WDV) |
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| 27 | +#define AT91_SAM9X60_PERIODRST BIT(4) /* Period Reset */ |
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| 28 | +#define AT91_SAM9X60_RPTHRST BIT(5) /* Minimum Restart Period */ |
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| 29 | +#define AT91_WDT_WDFIEN BIT(12) /* Fault Interrupt Enable */ |
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| 30 | +#define AT91_SAM9X60_WDDIS BIT(12) /* Watchdog Disable */ |
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| 31 | +#define AT91_WDT_WDRSTEN BIT(13) /* Reset Processor */ |
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| 32 | +#define AT91_WDT_WDRPROC BIT(14) /* Timer Restart */ |
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| 33 | +#define AT91_WDT_WDDIS BIT(15) /* Watchdog Disable */ |
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| 34 | +#define AT91_WDT_WDD (0xfffUL << 16) /* Delta Value */ |
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| 35 | +#define AT91_WDT_SET_WDD(x) (((x) << 16) & AT91_WDT_WDD) |
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| 36 | +#define AT91_WDT_WDDBGHLT BIT(28) /* Debug Halt */ |
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| 37 | +#define AT91_WDT_WDIDLEHLT BIT(29) /* Idle Halt */ |
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31 | 38 | |
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32 | | -#define AT91_WDT_SR 0x08 /* Watchdog Status Register */ |
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33 | | -#define AT91_WDT_WDUNF (1 << 0) /* Watchdog Underflow */ |
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34 | | -#define AT91_WDT_WDERR (1 << 1) /* Watchdog Error */ |
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| 39 | +#define AT91_WDT_SR 0x08 /* Watchdog Status Register */ |
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| 40 | +#define AT91_WDT_WDUNF BIT(0) /* Watchdog Underflow */ |
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| 41 | +#define AT91_WDT_WDERR BIT(1) /* Watchdog Error */ |
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| 42 | + |
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| 43 | +/* Watchdog Timer Value Register */ |
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| 44 | +#define AT91_SAM9X60_VR 0x08 |
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| 45 | + |
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| 46 | +/* Watchdog Window Level Register */ |
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| 47 | +#define AT91_SAM9X60_WLR 0x0c |
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| 48 | +/* Watchdog Period Value */ |
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| 49 | +#define AT91_SAM9X60_COUNTER (0xfffUL << 0) |
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| 50 | +#define AT91_SAM9X60_SET_COUNTER(x) ((x) & AT91_SAM9X60_COUNTER) |
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| 51 | + |
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| 52 | +/* Interrupt Enable Register */ |
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| 53 | +#define AT91_SAM9X60_IER 0x14 |
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| 54 | +/* Period Interrupt Enable */ |
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| 55 | +#define AT91_SAM9X60_PERINT BIT(0) |
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| 56 | +/* Interrupt Disable Register */ |
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| 57 | +#define AT91_SAM9X60_IDR 0x18 |
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| 58 | +/* Interrupt Status Register */ |
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| 59 | +#define AT91_SAM9X60_ISR 0x1c |
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35 | 60 | |
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36 | 61 | #endif |
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