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ARM: shmobile: Check r8a7791 MD21 at SMP boot
authorMagnus Damm <damm@opensource.se>
Wed, 26 Feb 2014 09:59:16 +0000 (18:59 +0900)
committerSimon Horman <horms+renesas@verge.net.au>
Mon, 14 Apr 2014 02:28:43 +0000 (11:28 +0900)
On r8a7791 the hardware boot mode bit MD21 indicates if hardware
debug mode is enabled or not. In case hardware debug mode is enabled
print a warning and refrain from booting secondary CPU cores.

Without this patch Koelsch with SW8-4 set to OFF will hang at SMP boot.

Signed-off-by: Magnus Damm <damm@opensource.se>
Tested-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
arch/arm/mach-shmobile/smp-r8a7791.c patch | blob | history

diff --cc arch/arm/mach-shmobile/smp-r8a7791.c
Simple merge
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