Refactor AMU support for Cortex A75
This patch also fixes the assumption that the counters are disabled on
the resume path. This is incorrect as the AMU counters are enabled
early in the CPU reset function before `cpuamu_context_restore()`
runs.
Change-Id: I38a94eb166a523f00de18e86860434ffccff2131
Signed-off-by: Dimitris Papastamos <dimitris.papastamos@arm.com>
diff --git a/include/lib/cpus/aarch64/cpuamu.h b/include/lib/cpus/aarch64/cpuamu.h
index 3d52f14..960a524 100644
--- a/include/lib/cpus/aarch64/cpuamu.h
+++ b/include/lib/cpus/aarch64/cpuamu.h
@@ -38,6 +38,11 @@
unsigned int cpuamu_read_cpuamcntenclr_el0(void);
void cpuamu_write_cpuamcntenset_el0(unsigned int mask);
void cpuamu_write_cpuamcntenclr_el0(unsigned int mask);
+
+int midr_match(unsigned int cpu_midr);
+void cpuamu_context_save(unsigned int nr_counters);
+void cpuamu_context_restore(unsigned int nr_counters);
+
#endif /* __ASSEMBLY__ */
#endif /* __CPUAMU_H__ */