diff options
Diffstat (limited to 'drivers/arm/gic/common/gic_common.c')
| -rw-r--r-- | drivers/arm/gic/common/gic_common.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/arm/gic/common/gic_common.c b/drivers/arm/gic/common/gic_common.c index 71155a97..d523772b 100644 --- a/drivers/arm/gic/common/gic_common.c +++ b/drivers/arm/gic/common/gic_common.c @@ -299,3 +299,15 @@ void gicd_set_ipriorityr(uintptr_t base, unsigned int id, unsigned int pri) { mmio_write_8(base + GICD_IPRIORITYR + id, pri & GIC_PRI_MASK); } + +void gicd_set_icfgr(uintptr_t base, unsigned int id, unsigned int cfg) +{ + unsigned bit_num = id & ((1 << ICFGR_SHIFT) - 1); + uint32_t reg_val = gicd_read_icfgr(base, id); + + /* Clear the field, and insert required configuration */ + reg_val &= ~(GIC_CFG_MASK << bit_num); + reg_val |= ((cfg & GIC_CFG_MASK) << bit_num); + + gicd_write_icfgr(base, id, reg_val); +} |