diff options
Diffstat (limited to 'drivers/arm/gic/common/gic_common_private.h')
-rw-r--r-- | drivers/arm/gic/common/gic_common_private.h | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/drivers/arm/gic/common/gic_common_private.h b/drivers/arm/gic/common/gic_common_private.h new file mode 100644 index 0000000..1ab1bdb --- /dev/null +++ b/drivers/arm/gic/common/gic_common_private.h @@ -0,0 +1,89 @@ +/* + * Copyright (c) 2016-2018, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef GIC_COMMON_PRIVATE_H +#define GIC_COMMON_PRIVATE_H + +#include <stdint.h> + +#include <drivers/arm/gic_common.h> +#include <lib/mmio.h> + +/******************************************************************************* + * GIC Distributor interface register accessors that are common to GICv3 & GICv2 + ******************************************************************************/ +static inline unsigned int gicd_read_ctlr(uintptr_t base) +{ + return mmio_read_32(base + GICD_CTLR); +} + +static inline unsigned int gicd_read_typer(uintptr_t base) +{ + return mmio_read_32(base + GICD_TYPER); +} + +static inline unsigned int gicd_read_iidr(uintptr_t base) +{ + return mmio_read_32(base + GICD_IIDR); +} + +static inline void gicd_write_ctlr(uintptr_t base, unsigned int val) +{ + mmio_write_32(base + GICD_CTLR, val); +} + +/******************************************************************************* + * GIC Distributor function prototypes for accessing entire registers. + * Note: The raw register values correspond to multiple interrupt IDs and + * the number of interrupt IDs involved depends on the register accessed. + ******************************************************************************/ +unsigned int gicd_read_igroupr(uintptr_t base, unsigned int id); +unsigned int gicd_read_isenabler(uintptr_t base, unsigned int id); +unsigned int gicd_read_icenabler(uintptr_t base, unsigned int id); +unsigned int gicd_read_ispendr(uintptr_t base, unsigned int id); +unsigned int gicd_read_icpendr(uintptr_t base, unsigned int id); +unsigned int gicd_read_isactiver(uintptr_t base, unsigned int id); +unsigned int gicd_read_icactiver(uintptr_t base, unsigned int id); +unsigned int gicd_read_ipriorityr(uintptr_t base, unsigned int id); +unsigned int gicd_read_icfgr(uintptr_t base, unsigned int id); +unsigned int gicd_read_nsacr(uintptr_t base, unsigned int id); +unsigned int gicd_read_spendsgir(uintptr_t base, unsigned int id); +unsigned int gicd_read_cpendsgir(uintptr_t base, unsigned int id); +unsigned int gicd_read_itargetsr(uintptr_t base, unsigned int id); +void gicd_write_igroupr(uintptr_t base, unsigned int id, unsigned int val); +void gicd_write_isenabler(uintptr_t base, unsigned int id, unsigned int val); +void gicd_write_icenabler(uintptr_t base, unsigned int id, unsigned int val); +void gicd_write_ispendr(uintptr_t base, unsigned int id, unsigned int val); +void gicd_write_icpendr(uintptr_t base, unsigned int id, unsigned int val); +void gicd_write_isactiver(uintptr_t base, unsigned int id, unsigned int val); +void gicd_write_icactiver(uintptr_t base, unsigned int id, unsigned int val); +void gicd_write_ipriorityr(uintptr_t base, unsigned int id, unsigned int val); +void gicd_write_icfgr(uintptr_t base, unsigned int id, unsigned int val); +void gicd_write_nsacr(uintptr_t base, unsigned int id, unsigned int val); +void gicd_write_spendsgir(uintptr_t base, unsigned int id, unsigned int val); +void gicd_write_cpendsgir(uintptr_t base, unsigned int id, unsigned int val); +void gicd_write_itargetsr(uintptr_t base, unsigned int id, unsigned int val); + +/******************************************************************************* + * GIC Distributor function prototypes for accessing the GIC registers + * corresponding to a single interrupt ID. These functions use bitwise + * operations or appropriate register accesses to modify or return + * the bit-field corresponding the single interrupt ID. + ******************************************************************************/ +unsigned int gicd_get_igroupr(uintptr_t base, unsigned int id); +void gicd_set_igroupr(uintptr_t base, unsigned int id); +void gicd_clr_igroupr(uintptr_t base, unsigned int id); +void gicd_set_isenabler(uintptr_t base, unsigned int id); +void gicd_set_icenabler(uintptr_t base, unsigned int id); +void gicd_set_ispendr(uintptr_t base, unsigned int id); +void gicd_set_icpendr(uintptr_t base, unsigned int id); +unsigned int gicd_get_isactiver(uintptr_t base, unsigned int id); +void gicd_set_isactiver(uintptr_t base, unsigned int id); +void gicd_set_icactiver(uintptr_t base, unsigned int id); +void gicd_set_ipriorityr(uintptr_t base, unsigned int id, unsigned int pri); +void gicd_set_icfgr(uintptr_t base, unsigned int id, unsigned int cfg); + +#endif /* GIC_COMMON_PRIVATE_H */ |