diff options
Diffstat (limited to 'drivers/arm/gic/v3')
| -rw-r--r-- | drivers/arm/gic/v3/gicv3_helpers.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/drivers/arm/gic/v3/gicv3_helpers.c b/drivers/arm/gic/v3/gicv3_helpers.c index 3abc6a5c..33dbe2c8 100644 --- a/drivers/arm/gic/v3/gicv3_helpers.c +++ b/drivers/arm/gic/v3/gicv3_helpers.c @@ -225,6 +225,38 @@ void gicr_set_ipriorityr(uintptr_t base, unsigned int id, unsigned int pri) mmio_write_8(base + GICR_IPRIORITYR + id, pri & GIC_PRI_MASK); } +/* + * Accessor to set the bit fields corresponding to interrupt ID + * in GIC Re-distributor ICFGR0. + */ +void gicr_set_icfgr0(uintptr_t base, unsigned int id, unsigned int cfg) +{ + unsigned bit_num = id & ((1 << ICFGR_SHIFT) - 1); + uint32_t reg_val = gicr_read_icfgr0(base); + + /* Clear the field, and insert required configuration */ + reg_val &= ~(GIC_CFG_MASK << bit_num); + reg_val |= ((cfg & GIC_CFG_MASK) << bit_num); + + gicr_write_icfgr0(base, reg_val); +} + +/* + * Accessor to set the bit fields corresponding to interrupt ID + * in GIC Re-distributor ICFGR1. + */ +void gicr_set_icfgr1(uintptr_t base, unsigned int id, unsigned int cfg) +{ + unsigned bit_num = id & ((1 << ICFGR_SHIFT) - 1); + uint32_t reg_val = gicr_read_icfgr1(base); + + /* Clear the field, and insert required configuration */ + reg_val &= ~(GIC_CFG_MASK << bit_num); + reg_val |= ((cfg & GIC_CFG_MASK) << bit_num); + + gicr_write_icfgr1(base, reg_val); +} + /****************************************************************************** * This function marks the core as awake in the re-distributor and * ensures that the interface is active. |