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sunxi: Enable SMP mode for the boot CPU on sun9i (A80)

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Since the A80 has many cores which we intend to use in SMP fashion,
we should set the SMP bit for the boot CPU.

[wens@csie.org: Added commit message]
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
This commit is contained in:
Philipp Tomsich 2016-10-28 18:21:30 +08:00 committed by Hans de Goede
parent ea1af9f26b
commit f28bad13b4
1 changed files with 2 additions and 1 deletions
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3
arch/arm/mach-sunxi/board.c
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@ -182,7 +182,8 @@ void s_init(void)
#if defined CONFIG_MACH_SUN6I || \
defined CONFIG_MACH_SUN7I || \
defined CONFIG_MACH_SUN8I
defined CONFIG_MACH_SUN8I || \
defined CONFIG_MACH_SUN9I
/* Enable SMP mode for CPU0, by setting bit 6 of Auxiliary Ctl reg */
asm volatile(
"mrc p15, 0, r0, c1, c0, 1\n"