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ARM: SoCFPGA: Fix secondary CPU startup in thumb2 kernel

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The secondary CPU starts up in ARM mode. When the kernel is compiled in
thumb2 mode we have to explicitly compile the secondary startup
trampoline in ARM mode, otherwise the CPU will go to Nirvana.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Reported-by: Steffen Trumtrar <s.trumtrar@pengutronix.de>
Suggested-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: stable@vger.kernel.org
Signed-off-by: Dinh Nguyen <dinguyen@opensource.altera.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
This commit is contained in:
Sascha Hauer 2016-04-20 13:34:31 +00:00 committed by Kevin Hilman
parent 258fc497fa
commit 5616f36713
1 changed files with 1 additions and 0 deletions
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1
arch/arm/mach-socfpga/headsmp.S
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@ -13,6 +13,7 @@
#include <asm/assembler.h>
.arch armv7-a
.arm
ENTRY(secondary_trampoline)
/* CPU1 will always fetch from 0x0 when it is brought out of reset.