arm64: remove ARCH_ARM64_CORTEX_A57_POWER_DOWN_SUPPORT

With the removal of secmon from coreboot there are no
power down operations required. As such remove the
A57 power down support.

Change-Id: I8eebb0ecd87b5e8bb3eaac335d652689d7f57796
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/11898
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins)
Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>

1 files changed, 0 insertions, 14 deletions

diff --git a/src/arch/arm64/include/armv8/arch/cpu.h b/src/arch/arm64/include/armv8/arch/cpu.h
index 03e9cf96e3..d1056c5d55 100644
--- a/src/arch/arm64/include/armv8/arch/cpu.h
+++ b/src/arch/arm64/include/armv8/arch/cpu.h
@@ -183,18 +183,4 @@ void arm64_cpu_startup_resume(void);
  */
 void arm64_arch_timer_init(void);
 
-/*
- * The cortex_a57_cpu_power_down sequence as per A57/A53/A72 TRM.
- * L2 flush by HW(0) or SW(1), if system/HW driven L2 flush is supported.
- */
-#define NO_L2_FLUSH 0
-#define L2_FLUSH_HW 0
-#define L2_FLUSH_SW 1
-
-#if IS_ENABLED(CONFIG_ARCH_ARM64_CORTEX_A57_POWER_DOWN_SUPPORT)
-void cortex_a57_cpu_power_down(int l2_flush);
-#else
-static inline void cortex_a57_cpu_power_down(int l2_flush) {}
-#endif
-
 #endif /* __ARCH_CPU_H__ */