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[3/5] armv8: psci: skip setup code if we are not EL3

Message ID 20211126163425.92432-4-michael@walle.cc
State Changes Requested
Delegated to: Priyanka Jain
Headers show
Series board: sl28: add basic PSCI implementation | expand

Commit Message

Michael Walle Nov. 26, 2021, 4:34 p.m. UTC 
If we are running in EL2 skip PSCI implementation setup. This avoids an
exception if CONFIG_ARMV8_PSCI is set, but u-boot is started by TF-A.

Signed-off-by: Michael Walle <michael@walle.cc>
---
 arch/arm/cpu/armv8/cpu.c | 3 +++
 1 file changed, 3 insertions(+)
diff mbox series

Patch

diff --git a/arch/arm/cpu/armv8/cpu.c b/arch/arm/cpu/armv8/cpu.c
index ea40c55dd2..db5d460eb4 100644
--- a/arch/arm/cpu/armv8/cpu.c
+++ b/arch/arm/cpu/armv8/cpu.c
@@ -79,6 +79,9 @@  static void relocate_secure_section(void)
 
 void armv8_setup_psci(void)
 {
+	if (current_el() != 3)
+		return;
+
 	relocate_secure_section();
 	secure_ram_addr(psci_setup_vectors)();
 	secure_ram_addr(psci_arch_init)();