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Diffstat (limited to 'c/src/lib/libbsp/arm/shared/include/arm-gic.h')
| -rw-r--r-- | c/src/lib/libbsp/arm/shared/include/arm-gic.h | 207 |
1 files changed, 0 insertions, 207 deletions
diff --git a/c/src/lib/libbsp/arm/shared/include/arm-gic.h b/c/src/lib/libbsp/arm/shared/include/arm-gic.h deleted file mode 100644 index ab5840919a..0000000000 --- a/c/src/lib/libbsp/arm/shared/include/arm-gic.h +++ /dev/null @@ -1,207 +0,0 @@ -/** - * @file - * - * @ingroup arm_gic - * - * @brief ARM GIC Support - */ - -/* - * Copyright (c) 2013 embedded brains GmbH. All rights reserved. - * - * embedded brains GmbH - * Dornierstr. 4 - * 82178 Puchheim - * Germany - * <info@embedded-brains.de> - * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.rtems.org/license/LICENSE. - */ - -#ifndef LIBBSP_ARM_SHARED_ARM_GIC_H -#define LIBBSP_ARM_SHARED_ARM_GIC_H - -#include <bsp/arm-gic-regs.h> - -#include <stdbool.h> - -#ifdef __cplusplus -extern "C" { -#endif /* __cplusplus */ - -/** - * @defgroup arm_gic ARM GIC - * - * @ingroup arm_shared - * - * @brief ARM_GIC Support Package - */ - -#define GIC_ID_TO_ONE_BIT_REG_INDEX(id) ((id) >> 5) -#define GIC_ID_TO_ONE_BIT_REG_BIT(id) (1U << ((id) & 0x1fU)) - -#define GIC_ID_TO_TWO_BITS_REG_INDEX(id) ((id) >> 4) -#define GIC_ID_TO_TWO_BITS_REG_OFFSET(id) (((id) & 0xfU) << 1) - -static inline bool gic_id_is_enabled(volatile gic_dist *dist, uint32_t id) -{ - uint32_t i = GIC_ID_TO_ONE_BIT_REG_INDEX(id); - uint32_t bit = GIC_ID_TO_ONE_BIT_REG_BIT(id); - - return (dist->icdiser[i] & bit) != 0; -} - -static inline void gic_id_enable(volatile gic_dist *dist, uint32_t id) -{ - uint32_t i = GIC_ID_TO_ONE_BIT_REG_INDEX(id); - uint32_t bit = GIC_ID_TO_ONE_BIT_REG_BIT(id); - - dist->icdiser[i] = bit; -} - -static inline void gic_id_disable(volatile gic_dist *dist, uint32_t id) -{ - uint32_t i = GIC_ID_TO_ONE_BIT_REG_INDEX(id); - uint32_t bit = GIC_ID_TO_ONE_BIT_REG_BIT(id); - - dist->icdicer[i] = bit; -} - -static inline bool gic_id_is_pending(volatile gic_dist *dist, uint32_t id) -{ - uint32_t i = GIC_ID_TO_ONE_BIT_REG_INDEX(id); - uint32_t bit = GIC_ID_TO_ONE_BIT_REG_BIT(id); - - return (dist->icdispr[i] & bit) != 0; -} - -static inline void gic_id_set_pending(volatile gic_dist *dist, uint32_t id) -{ - uint32_t i = GIC_ID_TO_ONE_BIT_REG_INDEX(id); - uint32_t bit = GIC_ID_TO_ONE_BIT_REG_BIT(id); - - dist->icdispr[i] = bit; -} - -static inline void gic_id_clear_pending(volatile gic_dist *dist, uint32_t id) -{ - uint32_t i = GIC_ID_TO_ONE_BIT_REG_INDEX(id); - uint32_t bit = GIC_ID_TO_ONE_BIT_REG_BIT(id); - - dist->icdicpr[i] = bit; -} - -static inline bool gic_id_is_active(volatile gic_dist *dist, uint32_t id) -{ - uint32_t i = GIC_ID_TO_ONE_BIT_REG_INDEX(id); - uint32_t bit = GIC_ID_TO_ONE_BIT_REG_BIT(id); - - return (dist->icdabr[i] & bit) != 0; -} - -static inline void gic_id_set_priority( - volatile gic_dist *dist, - uint32_t id, - uint8_t priority -) -{ - dist->icdipr[id] = priority; -} - -static inline uint8_t gic_id_get_priority(volatile gic_dist *dist, uint32_t id) -{ - return dist->icdipr[id]; -} - -static inline void gic_id_set_targets( - volatile gic_dist *dist, - uint32_t id, - uint8_t targets -) -{ - dist->icdiptr[id] = targets; -} - -static inline uint8_t gic_id_get_targets(volatile gic_dist *dist, uint32_t id) -{ - return dist->icdiptr[id]; -} - -typedef enum { - GIC_LEVEL_SENSITIVE, - GIC_EDGE_TRIGGERED -} gic_trigger_mode; - -static inline gic_trigger_mode gic_id_get_trigger_mode( - volatile gic_dist *dist, - uint32_t id -) -{ - uint32_t i = GIC_ID_TO_TWO_BITS_REG_INDEX(id); - uint32_t o = GIC_ID_TO_TWO_BITS_REG_OFFSET(id) + 1; - uint32_t bit = 1U << o; - - return (dist->icdicfr[i] & bit) != 0 ? - GIC_EDGE_TRIGGERED : GIC_LEVEL_SENSITIVE; -} - -static inline void gic_id_set_trigger_mode( - volatile gic_dist *dist, - uint32_t id, - gic_trigger_mode mode -) -{ - uint32_t i = GIC_ID_TO_TWO_BITS_REG_INDEX(id); - uint32_t o = GIC_ID_TO_TWO_BITS_REG_OFFSET(id) + 1; - uint32_t bit = mode << o; - uint32_t mask = 1U << o; - uint32_t icdicfr = dist->icdicfr[i]; - - icdicfr &= ~mask; - icdicfr |= bit; - - dist->icdicfr[i] = icdicfr; -} - -typedef enum { - GIC_N_TO_N, - GIC_1_TO_N -} gic_handling_model; - -static inline gic_handling_model gic_id_get_handling_model( - volatile gic_dist *dist, - uint32_t id -) -{ - uint32_t i = GIC_ID_TO_TWO_BITS_REG_INDEX(id); - uint32_t o = GIC_ID_TO_TWO_BITS_REG_OFFSET(id); - uint32_t bit = 1U << o; - - return (dist->icdicfr[i] & bit) != 0 ? GIC_1_TO_N : GIC_N_TO_N; -} - -static inline void gic_id_set_handling_model( - volatile gic_dist *dist, - uint32_t id, - gic_handling_model model -) -{ - uint32_t i = GIC_ID_TO_TWO_BITS_REG_INDEX(id); - uint32_t o = GIC_ID_TO_TWO_BITS_REG_OFFSET(id); - uint32_t bit = model << o; - uint32_t mask = 1U << o; - uint32_t icdicfr = dist->icdicfr[i]; - - icdicfr &= ~mask; - icdicfr |= bit; - - dist->icdicfr[i] = icdicfr; -} - -#ifdef __cplusplus -} -#endif /* __cplusplus */ - -#endif /* LIBBSP_ARM_SHARED_ARM_GIC_H */ |