powerpc/mp: add support for discontiguous cores

[platform/kernel/u-boot.git] / include / common.h

diff --git a/include/common.h b/include/common.h
index d244bd4..05e2f72 100644 (file)
--- a/include/common.h
+++ b/include/common.h
@@ -485,7 +485,22 @@ void ddr_enable_ecc(unsigned int dram_size);
 #endif
 
 /* $(CPU)/cpu.c */
+static inline int cpumask_next(int cpu, unsigned int mask)
+{
+       for (cpu++; !((1 << cpu) & mask); cpu++)
+               ;
+
+       return cpu;
+}
+
+#define for_each_cpu(iter, cpu, num_cpus, mask) \
+       for (iter = 0, cpu = cpumask_next(-1, mask); \
+               iter < num_cpus; \
+               iter++, cpu = cpumask_next(cpu, mask)) \
+
 int    cpu_numcores  (void);
+u32    cpu_mask      (void);
+int    is_core_valid (unsigned int);
 int    probecpu      (void);
 int    checkcpu      (void);
 int    checkicache   (void);