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(parent: 835d737) | patch
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)
commit277efd30cfc72ec2f44a9bc95d93807b867bd9e9
tree012366acc7e369a872e91cdebd3c4bf30d38fc62tree | snapshot (tar.gz zip)
parent835d737d664650d7f164a5b688271a424db4434ccommit | diff
ARM: shmobile: Check r8a7791 MD21 at SMP boot

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 diff | blob | blame | history