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-rw-r--r--ports/stm32/sdram.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/ports/stm32/sdram.h b/ports/stm32/sdram.h
index f7a124add..5d170ea0d 100644
--- a/ports/stm32/sdram.h
+++ b/ports/stm32/sdram.h
@@ -13,5 +13,6 @@ void *sdram_start(void);
void *sdram_end(void);
void sdram_enter_low_power(void);
void sdram_leave_low_power(void);
+void sdram_enter_power_down(void);
bool sdram_test(bool exhaustive);
#endif // __SDRAM_H__