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xtensa: add SMP support

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This is largely based on SMP code from the xtensa-2.6.29-smp tree by
Piet Delaney, Marc Gauthier, Joe Taylor, Christian Zankel (and possibly
other Tensilica folks).

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
This commit is contained in:
Max Filippov
2013-10-17 02:42:26 +04:00
committed by Chris Zankel
parent 26a8e96a8b
commit f615136c06
24 changed files with 970 additions and 202 deletions
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2
arch/xtensa/platforms/xtfpga/include/platform/hardware.h
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@@ -26,7 +26,7 @@
/* Default assignment of LX60 devices to external interrupts. */
#ifdef CONFIG_ARCH_HAS_SMP
#ifdef CONFIG_XTENSA_MX
#define DUART16552_INTNUM XCHAL_EXTINT3_NUM
#define OETH_IRQ XCHAL_EXTINT4_NUM
#else