diff options
Diffstat (limited to 'drivers/arm/gic/v3/gicv3_private.h')
| -rw-r--r-- | drivers/arm/gic/v3/gicv3_private.h | 28 |
1 files changed, 23 insertions, 5 deletions
diff --git a/drivers/arm/gic/v3/gicv3_private.h b/drivers/arm/gic/v3/gicv3_private.h index c8b311a1..5e2409fc 100644 --- a/drivers/arm/gic/v3/gicv3_private.h +++ b/drivers/arm/gic/v3/gicv3_private.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved. + * Copyright (c) 2015-2016, ARM Limited and Contributors. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: @@ -84,16 +84,24 @@ ((typer_val >> 32) & 0xffffff)) /******************************************************************************* - * Private function prototypes + * Private GICv3 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_igrpmodr(uintptr_t base, unsigned int id); unsigned int gicr_read_ipriorityr(uintptr_t base, unsigned int id); +void gicd_write_igrpmodr(uintptr_t base, unsigned int id, unsigned int val); +void gicr_write_ipriorityr(uintptr_t base, unsigned int id, unsigned int val); + +/******************************************************************************* + * Private GICv3 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_igrpmodr(uintptr_t base, unsigned int id); unsigned int gicr_get_igrpmodr0(uintptr_t base, unsigned int id); unsigned int gicr_get_igroupr0(uintptr_t base, unsigned int id); -unsigned int gicv3_get_pending_grp1_interrupt_id(unsigned int pending_grp); -void gicd_write_igrpmodr(uintptr_t base, unsigned int id, unsigned int val); -void gicr_write_ipriorityr(uintptr_t base, unsigned int id, unsigned int val); void gicd_set_igrpmodr(uintptr_t base, unsigned int id); void gicr_set_igrpmodr0(uintptr_t base, unsigned int id); void gicr_set_isenabler0(uintptr_t base, unsigned int id); @@ -101,6 +109,11 @@ void gicr_set_igroupr0(uintptr_t base, unsigned int id); void gicd_clr_igrpmodr(uintptr_t base, unsigned int id); void gicr_clr_igrpmodr0(uintptr_t base, unsigned int id); void gicr_clr_igroupr0(uintptr_t base, unsigned int id); +void gicr_set_ipriorityr(uintptr_t base, unsigned int id, unsigned int pri); + +/******************************************************************************* + * Private GICv3 helper function prototypes + ******************************************************************************/ void gicv3_spis_configure_defaults(uintptr_t gicd_base); void gicv3_ppi_sgi_configure_defaults(uintptr_t gicr_base); void gicv3_secure_spis_configure(uintptr_t gicd_base, @@ -179,6 +192,11 @@ static inline void gicr_write_waker(uintptr_t base, unsigned int val) mmio_write_32(base + GICR_WAKER, val); } +/******************************************************************************* + * GIC Re-distributor functions 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. + ******************************************************************************/ static inline unsigned int gicr_read_icenabler0(uintptr_t base) { return mmio_read_32(base + GICR_ICENABLER0); |