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authorPatrick Georgi <pgeorgi@chromium.org>2015-03-26 14:09:07 +0100
committerPatrick Georgi <pgeorgi@google.com>2015-03-27 08:05:20 +0100
commit5538e50bc46a1402f7c3b955ca5c74adc1d91cc9 (patch)
tree62010abcabb82090ccf068acb03256103aa1ce39 /src/arch/arm/include
parent9fd4dc73bc1fb0fc7d146c6bf2d0e6a9db1fc22c (diff)
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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>
Diffstat (limited to 'src/arch/arm/include')
-rw-r--r--src/arch/arm/include/armv4/arch/smp/spinlock.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/src/arch/arm/include/armv4/arch/smp/spinlock.h b/src/arch/arm/include/armv4/arch/smp/spinlock.h
new file mode 100644
index 000000000..f458ec37b
--- /dev/null
+++ b/src/arch/arm/include/armv4/arch/smp/spinlock.h
@@ -0,0 +1,15 @@
+#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