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armv4: Build in SMP settings with non-SMP armv4 CPUs 

There are some ARMv8/ARMv4 SoC where the ARMv8 part needs to be
SMP aware but the ARMv4 part does not.
Until we need real SMP on ARMv4, work around that situation
with stub defines.

Change-Id: Iec5b4302b19c17fe2b3f677b84a8edf4b4902946
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Reviewed-on: http://review.coreboot.org/9046
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
This commit is contained in:
Patrick Georgi 2015-03-26 14:09:07 +01:00 committed by Patrick Georgi
parent 9fd4dc73bc
commit 5538e50bc4
1 changed files with 15 additions and 0 deletions
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15
src/arch/arm/include/armv4/arch/smp/spinlock.h Normal file
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#ifndef _ARCH_SMP_SPINLOCK_H
#define _ARCH_SMP_SPINLOCK_H
#define DECLARE_SPIN_LOCK(x)
#define barrier() do {} while(0)
#define spin_is_locked(lock) 0
#define spin_unlock_wait(lock) do {} while(0)
#define spin_lock(lock) do {} while(0)
#define spin_unlock(lock) do {} while(0)
#define cpu_relax() do {} while(0)
#include <smp/node.h>
#define boot_cpu() 1
#endif