summaryrefslogtreecommitdiffstats
path: root/bsps/shared/dev
diff options
context:
space:
mode:
authorGedare Bloom <gedare@rtems.org>2022-01-06 13:27:52 -0700
committerGedare Bloom <gedare@rtems.org>2022-01-12 09:00:19 -0700
commit63d27156cb7a91843d532d54637bfac30c53fbf2 (patch)
tree1a36b0525116a010b98fafb8e99da2b5f557a4a4 /bsps/shared/dev
parentbsps/aarch64: refactor register init and hooks (diff)
downloadrtems-63d27156cb7a91843d532d54637bfac30c53fbf2.tar.bz2
arm/gicv3: refactor DIST initialization to helper
Diffstat (limited to 'bsps/shared/dev')
-rw-r--r--bsps/shared/dev/irq/arm-gicv3.c60
1 files changed, 29 insertions, 31 deletions
diff --git a/bsps/shared/dev/irq/arm-gicv3.c b/bsps/shared/dev/irq/arm-gicv3.c
index ea123d325e..b2bd947dd4 100644
--- a/bsps/shared/dev/irq/arm-gicv3.c
+++ b/bsps/shared/dev/irq/arm-gicv3.c
@@ -355,6 +355,34 @@ static inline uint32_t get_id_count(volatile gic_dist *dist)
return id_count;
}
+static void gicv3_init_dist(void)
+{
+ volatile gic_dist *dist = ARM_GIC_DIST;
+ uint32_t id_count = get_id_count(dist);
+ uint32_t id;
+
+ dist->icddcr = GIC_DIST_ICDDCR_ARE_NS | GIC_DIST_ICDDCR_ARE_S
+ | GIC_DIST_ICDDCR_ENABLE_GRP1S | GIC_DIST_ICDDCR_ENABLE_GRP1NS
+ | GIC_DIST_ICDDCR_ENABLE_GRP0;
+
+ for (id = 0; id < id_count; id += 32) {
+ /* Disable all interrupts */
+ dist->icdicer[id / 32] = 0xffffffff;
+
+ /* Set G1NS */
+ dist->icdigr[id / 32] = 0xffffffff;
+ dist->icdigmr[id / 32] = 0;
+ }
+
+ for (id = 0; id < id_count; ++id) {
+ gic_id_set_priority(dist, id, PRIORITY_DEFAULT);
+ }
+
+ for (id = 32; id < id_count; ++id) {
+ gic_id_set_targets(dist, id, 0x01);
+ }
+}
+
static void gicv3_init_cpu_interface(void)
{
uint32_t cpu_index = _SMP_Get_current_processor();
@@ -390,38 +418,8 @@ static void gicv3_init_cpu_interface(void)
void bsp_interrupt_facility_initialize(void)
{
- volatile gic_dist *dist = ARM_GIC_DIST;
- uint32_t id_count = get_id_count(dist);
- uint32_t id;
-
arm_interrupt_facility_set_exception_handler();
-
- dist->icddcr = GIC_DIST_ICDDCR_ARE_NS | GIC_DIST_ICDDCR_ARE_S
- | GIC_DIST_ICDDCR_ENABLE_GRP1S | GIC_DIST_ICDDCR_ENABLE_GRP1NS
- | GIC_DIST_ICDDCR_ENABLE_GRP0;
-
- for (id = 0; id < id_count; id += 32) {
- /* Disable all interrupts */
- dist->icdicer[id / 32] = 0xffffffff;
-
- /* Set interrupt group to 1 in the current security mode */
-#if defined(ARM_MULTILIB_ARCH_V4) || defined(AARCH64_IS_NONSECURE)
- dist->icdigr[id / 32] = 0xffffffff;
- dist->icdigmr[id / 32] = 0;
-#else
- dist->icdigr[id / 32] = 0;
- dist->icdigmr[id / 32] = 0xffffffff;
-#endif
- }
-
- for (id = 0; id < id_count; ++id) {
- gic_id_set_priority(dist, id, PRIORITY_DEFAULT);
- }
-
- for (id = 32; id < id_count; ++id) {
- gic_id_set_targets(dist, id, 0x01);
- }
-
+ gicv3_init_dist();
gicv3_init_cpu_interface();
}