ARM platforms: enable GICv3 state save/restore
Provides GICv3 save/restore feature to arm_system_pwr_domain_resume and
arm_system_pwr_domain_save functions.
Introduce FVP PSCI power level 3 (System level) support. This is solely
done to provide example code on how to use the GICv3 save and restore
helpers.
Also make CSS GICv3 platforms power off the Redistributor on SYSTEM
SUSPEND as its state is saved and restored.
Change-Id: I0d852f3af8824edee1a17c085cf593ddd33a4e77
Signed-off-by: Soby Mathew <soby.mathew@arm.com>
Co-Authored-by: Douglas Raillard <douglas.raillard@arm.com>
diff --git a/include/plat/arm/common/plat_arm.h b/include/plat/arm/common/plat_arm.h
index 4e589c0..33d951c 100644
--- a/include/plat/arm/common/plat_arm.h
+++ b/include/plat/arm/common/plat_arm.h
@@ -120,6 +120,7 @@
int arm_validate_power_state(unsigned int power_state,
psci_power_state_t *req_state);
int arm_validate_ns_entrypoint(uintptr_t entrypoint);
+void arm_system_pwr_domain_save(void);
void arm_system_pwr_domain_resume(void);
void arm_program_trusted_mailbox(uintptr_t address);
int arm_psci_read_mem_protect(int *val);
@@ -183,6 +184,8 @@
void plat_arm_gic_redistif_on(void);
void plat_arm_gic_redistif_off(void);
void plat_arm_gic_pcpu_init(void);
+void plat_arm_gic_save(void);
+void plat_arm_gic_resume(void);
void plat_arm_security_setup(void);
void plat_arm_pwrc_setup(void);
void plat_arm_interconnect_init(void);