lkml.org 
[lkml]   [2014]   [Oct]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 3/4] ARM: mvebu: Fix secondary startup for Cortex A9 SoC
Date
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(+)

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)
--
1.9.1


\
 
 \ /
  Last update: 2014-10-23 20:41    [W:1.550 / U:0.184 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site