plat/fvp: Add support for dynamic description of secure interrupts
Using the fconf framework, the Group 0 and Group 1 secure interrupt
descriptors are moved to device tree and retrieved in runtime. This
feature is enabled by the build flag SEC_INT_DESC_IN_FCONF.
Change-Id: I360c63a83286c7ecc2426cd1ff1b4746d61e633c
Signed-off-by: Madhukar Pappireddy <madhukar.pappireddy@arm.com>
diff --git a/plat/arm/board/fvp/fvp_gicv3.c b/plat/arm/board/fvp/fvp_gicv3.c
index a3ee8ef..3e04d6b 100644
--- a/plat/arm/board/fvp/fvp_gicv3.c
+++ b/plat/arm/board/fvp/fvp_gicv3.c
@@ -12,6 +12,7 @@
#include <fconf_hw_config_getter.h>
#include <lib/utils.h>
#include <plat/arm/common/plat_arm.h>
+#include <plat/arm/common/fconf_sec_intr_config.h>
#include <plat/common/platform.h>
/* The GICv3 driver only needs to be initialized in EL3 */
@@ -23,10 +24,13 @@
/* List of zero terminated GICR frame addresses which CPUs will probe */
static uint64_t *fvp_gicr_frames = fvp_gicr_base_addrs;
+#if !(SEC_INT_DESC_IN_FCONF && ((!defined(__aarch64__) && defined(IMAGE_BL32)) || \
+ (defined(__aarch64__) && defined(IMAGE_BL31))))
static const interrupt_prop_t fvp_interrupt_props[] = {
PLAT_ARM_G1S_IRQ_PROPS(INTR_GROUP1S),
PLAT_ARM_G0_IRQ_PROPS(INTR_GROUP0)
};
+#endif
/*
* MPIDR hashing function for translating MPIDRs read from GICR_TYPER register
@@ -52,8 +56,6 @@
static gicv3_driver_data_t fvp_gic_data = {
- .interrupt_props = fvp_interrupt_props,
- .interrupt_props_num = ARRAY_SIZE(fvp_interrupt_props),
.rdistif_num = PLATFORM_CORE_COUNT,
.rdistif_base_addrs = fvp_rdistif_base_addrs,
.mpidr_to_core_pos = fvp_gicv3_mpidr_hash
@@ -61,7 +63,10 @@
void plat_arm_gic_driver_init(void)
{
- /* Get GICD and GICR base addressed through FCONF APIs */
+ /*
+ * Get GICD and GICR base addressed through FCONF APIs.
+ * FCONF is not supported in BL32 for FVP.
+ */
#if (!defined(__aarch64__) && defined(IMAGE_BL32)) || \
(defined(__aarch64__) && defined(IMAGE_BL31))
fvp_gic_data.gicd_base = (uintptr_t)FCONF_GET_PROPERTY(hw_config,
@@ -69,9 +74,20 @@
gicd_base);
fvp_gicr_base_addrs[0] = FCONF_GET_PROPERTY(hw_config, gicv3_config,
gicr_base);
+#if SEC_INT_DESC_IN_FCONF
+ fvp_gic_data.interrupt_props = FCONF_GET_PROPERTY(hw_config,
+ sec_intr_prop, descriptor);
+ fvp_gic_data.interrupt_props_num = FCONF_GET_PROPERTY(hw_config,
+ sec_intr_prop, count);
+#else
+ fvp_gic_data.interrupt_props = fvp_interrupt_props;
+ fvp_gic_data.interrupt_props_num = ARRAY_SIZE(fvp_interrupt_props);
+#endif
#else
fvp_gic_data.gicd_base = PLAT_ARM_GICD_BASE;
fvp_gicr_base_addrs[0] = PLAT_ARM_GICR_BASE;
+ fvp_gic_data.interrupt_props = fvp_interrupt_props;
+ fvp_gic_data.interrupt_props_num = ARRAY_SIZE(fvp_interrupt_props);
#endif
/*