Create 0003-allow-secure-monitor-code-to-be-built-without-PSCI.patch

buildroot-external/board/rpi3/patches/barebox/0003-allow-secure-monitor-code-to-be-built-without-PSCI.patch

@@ -0,0 +1,33 @@
+The hyp mode handling added in the secure monitor code is also useful
+when Barebox doesn't have PSCI control. Allow to build without PSCI.
+
+Signed-off-by: Lucas Stach <l.stach at pengutronix.de>
+---
+ arch/arm/cpu/sm_as.S | 4 ++++
+ 1 file changed, 4 insertions(+)
+
+diff --git a/arch/arm/cpu/sm_as.S b/arch/arm/cpu/sm_as.S
+index 09580e75de5f..0d01e1bf2435 100644
+--- a/arch/arm/cpu/sm_as.S
++++ b/arch/arm/cpu/sm_as.S
+@@ -129,7 +129,9 @@ secure_monitor:
+ 	sub	sp, sp, #4*4			@ allocate result structure on stack
+ 	mov	r12, sp
+ 	push	{r4-r6, r12}
++#ifdef CONFIG_ARM_PSCI
+ 	bl	psci_entry
++#endif
+ 	pop	{r4-r6, r12}
+ 	ldm	r12, {r0-r3}
+ 	add	sp, sp, #4*4
+@@ -163,6 +165,8 @@ ENTRY(psci_cpu_entry)
+ 	mcr	p15, 0, r0, c1, c0, 1	@ ACTLR
+ 
+ 	bl	secure_monitor_stack_setup
++#ifdef CONFIG_ARM_PSCI
+ 	bl	psci_cpu_entry_c
++#endif
+ 
+ ENDPROC(psci_cpu_entry)
+-- 
+2.15.1