Diffstat (limited to 'arch/arm/include/asm/mcpm.h')
1 files changed, 42 insertions, 0 deletions
diff --git a/arch/arm/include/asm/mcpm.h b/arch/arm/include/asm/mcpm.h
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+ * arch/arm/include/asm/mcpm.h
+ * Created by: Nicolas Pitre, April 2012
+ * Copyright: (C) 2012-2013 Linaro Limited
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ * Maximum number of possible clusters / CPUs per cluster.
+ * This should be sufficient for quite a while, while keeping the
+ * (assembly) code simpler. When this starts to grow then we'll have
+ * to consider dynamic allocation.
+#define MAX_CPUS_PER_CLUSTER 4
+#define MAX_NR_CLUSTERS 2
+ * Platform specific code should use this symbol to set up secondary
+ * entry location for processors to use when released from reset.
+extern void mcpm_entry_point(void);
+ * This is used to indicate where the given CPU from given cluster should
+ * branch once it is ready to re-enter the kernel using ptr, or NULL if it
+ * should be gated. A gated CPU is held in a WFE loop until its vector
+ * becomes non NULL.
+void mcpm_set_entry_vector(unsigned cpu, unsigned cluster, void *ptr);
+#endif /* ! __ASSEMBLY__ */