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[3/4] ARM: mvebu: Fix secondary startup for Cortex A9 SoC

Message ID 1414088070-12510-4-git-send-email-gregory.clement@free-electrons.com (mailing list archive)
State New, archived
Headers show

Commit Message

Gregory CLEMENT Oct. 23, 2014, 6:14 p.m. UTC
During the secondary startup the SCU was assumed to be in normal
mode. It is not always the case, and especially after a kexec. This
commit adds the needed sequence to put the SCU in normal mode.

Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
---
 arch/arm/mach-mvebu/headsmp-a9.S | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/arch/arm/mach-mvebu/headsmp-a9.S b/arch/arm/mach-mvebu/headsmp-a9.S
index be51c998c0cd..2a756ef5c4ba 100644
--- a/arch/arm/mach-mvebu/headsmp-a9.S
+++ b/arch/arm/mach-mvebu/headsmp-a9.S
@@ -22,5 +22,6 @@ 
 ENTRY(mvebu_cortex_a9_secondary_startup)
 ARM_BE8(setend	be)
 	bl      v7_invalidate_l1
+	bl	power_up_scu
 	b	secondary_startup
 ENDPROC(mvebu_cortex_a9_secondary_startup)