diff --git a/arch/sandbox/cpu/state.c b/arch/sandbox/cpu/state.c
index cae731c..7e5d03e 100644
--- a/arch/sandbox/cpu/state.c
+++ b/arch/sandbox/cpu/state.c
@@ -345,6 +345,10 @@
 	state->ram_buf = os_malloc(state->ram_size);
 	assert(state->ram_buf);
 
+	/* No reset yet, so mark it as such. Always allow power reset */
+	state->last_reset = RESET_COUNT;
+	state->reset_allowed[RESET_POWER] = true;
+
 	/*
 	 * Example of how to use GPIOs:
 	 *
diff --git a/arch/sandbox/include/asm/state.h b/arch/sandbox/include/asm/state.h
index a57480a..2bd28f6 100644
--- a/arch/sandbox/include/asm/state.h
+++ b/arch/sandbox/include/asm/state.h
@@ -7,6 +7,7 @@
 #define __SANDBOX_STATE_H
 
 #include <config.h>
+#include <reset.h>
 #include <stdbool.h>
 #include <linux/stringify.h>
 
@@ -59,6 +60,8 @@
 	bool write_state;		/* Write sandbox state on exit */
 	bool ignore_missing_state_on_read;	/* No error if state missing */
 	bool show_lcd;			/* Show LCD on start-up */
+	enum reset_t last_reset;	/* Last reset type */
+	bool reset_allowed[RESET_COUNT];	/* Allowed reset types */
 	enum state_terminal_raw term_raw;	/* Terminal raw/cooked */
 
 	/* Pointer to information for each SPI bus/cs */