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authorGregory CLEMENT <gregory.clement@free-electrons.com>2014-10-30 14:39:43 +0300
committerJason Cooper <jason@lakedaemon.net>2014-11-22 05:14:20 +0300
commitf5789cbb22a01c0750d12cb54c4bbd416e04f7ff (patch)
tree1758f8fe7e7d9b924d58da3d0d8c5294daa68a14 /arch
parentf746ac327b2fe7235a3b94de3d6d4b2be0f8f6a0 (diff)
downloadlinux-f5789cbb22a01c0750d12cb54c4bbd416e04f7ff.tar.xz
ARM: mvebu: Fix the secondary startup for Cortex A9 SoC
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> Tested-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Reviewed-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Link: https://lkml.kernel.org/r/1414669184-16785-4-git-send-email-gregory.clement@free-electrons.com Signed-off-by: Jason Cooper <jason@lakedaemon.net>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/mach-mvebu/headsmp-a9.S1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm/mach-mvebu/headsmp-a9.S b/arch/arm/mach-mvebu/headsmp-a9.S
index be51c998c0cd..08d5ed46b996 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 armada_38x_scu_power_up
b secondary_startup
ENDPROC(mvebu_cortex_a9_secondary_startup)