5
Last change
on this file since 3b68442 was
3b68442,
checked in by Sebastian Huber <sebastian.huber@…>, on 03/07/19 at 09:42:32
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bsps/powerpc: Move mpc55xx header files
They are only used by this BSP.
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-
Property mode set to
100644
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File size:
1.3 KB
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Line | |
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1 | /** |
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2 | * @file |
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3 | * |
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4 | * @ingroup mpc55xx |
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5 | * |
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6 | * @brief Header file for the watchdog timer. |
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7 | */ |
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8 | |
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9 | /* |
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10 | * Copyright (c) 2008 |
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11 | * Embedded Brains GmbH |
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12 | * Obere Lagerstr. 30 |
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13 | * D-82178 Puchheim |
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14 | * Germany |
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15 | * rtems@embedded-brains.de |
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16 | * |
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17 | * The license and distribution terms for this file may be |
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18 | * found in the file LICENSE in this distribution or at |
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19 | * http://www.rtems.org/license/LICENSE. |
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20 | */ |
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21 | |
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22 | #ifndef LIBCPU_POWERPC_MPC55XX_WATCHDOG_H |
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23 | #define LIBCPU_POWERPC_MPC55XX_WATCHDOG_H |
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24 | |
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25 | #include <stdbool.h> |
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26 | |
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27 | #include <rtems.h> |
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28 | |
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29 | #include <libcpu/powerpc-utility.h> |
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30 | |
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31 | #ifdef __cplusplus |
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32 | extern "C" { |
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33 | #endif /* __cplusplus */ |
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34 | |
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35 | static inline void mpc55xx_watchdog_clear() |
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36 | { |
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37 | PPC_SET_SPECIAL_PURPOSE_REGISTER( BOOKE_TSR, BOOKE_TSR_WIS); |
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38 | } |
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39 | |
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40 | static inline void mpc55xx_watchdog_enable_interrupt( bool enable) |
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41 | { |
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42 | if (enable) { |
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43 | PPC_SET_SPECIAL_PURPOSE_REGISTER_BITS( BOOKE_TCR, BOOKE_TCR_WIE); |
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44 | } else { |
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45 | PPC_CLEAR_SPECIAL_PURPOSE_REGISTER_BITS( BOOKE_TCR, BOOKE_TCR_WIE); |
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46 | } |
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47 | } |
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48 | |
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49 | static inline rtems_status_code mpc55xx_watchdog_set_time_base_bit( uint32_t bit) |
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50 | { |
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51 | if (bit > 63) { |
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52 | return RTEMS_INVALID_NUMBER; |
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53 | } |
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54 | |
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55 | PPC_SET_SPECIAL_PURPOSE_REGISTER_BITS_MASKED( |
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56 | BOOKE_TCR, |
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57 | BOOKE_TCR_WP( bit) | BOOKE_TCR_WPEXT( bit >> 2), |
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58 | BOOKE_TCR_WP_MASK | BOOKE_TCR_WPEXT_MASK |
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59 | ); |
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60 | |
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61 | return RTEMS_SUCCESSFUL; |
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62 | } |
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63 | |
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64 | #ifdef __cplusplus |
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65 | } |
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66 | #endif /* __cplusplus */ |
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67 | |
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68 | #endif /* LIBCPU_POWERPC_MPC55XX_WATCHDOG_H */ |
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