Fix GPS nav-solve phase seeding for cold PVT

soc/software/gps_system/tests/test_gps_nav_phase.c

@@ -0,0 +1,45 @@
+#include <assert.h>
+#include <stdint.h>
+
+#include "gps/gps_nav_phase.h"
+
+static uint32_t tracking_control_without_nav_solve_irq(void)
+{
+	return (1u << GPS_TRCK_INTR_EN_POS) |
+	       (1u << GPS_TRCK_NAV_BITS_INTR_EN_POS) |
+	       (1u << GPS_TRCK_NAV_BITS_FLAG_EN_POS) |
+	       (1u << GPS_TRCK_STOP_UNLOCK_EN_POS) |
+	       (1u << GPS_TRCK_UNLOCK_INTR_EN_POS) |
+	       (1u << GPS_TRCK_UNLOCK_FLAG_EN_POS) |
+	       (1u << GPS_TRCK_NAV_SOLVE_EN_POS) |
+	       (1u << GPS_TRCK_MEASUREMENT_INTR_EN_POS) |
+	       (1u << GPS_TRCK_MEASUREMENT_FLAG_EN_POS);
+}
+
+int main(void)
+{
+	uint32_t cold_control = tracking_control_without_nav_solve_irq();
+	assert(!gps_nav_phase_control_armed(cold_control));
+	assert(!gps_nav_phase_preserve_seed_after_how(true, cold_control));
+	assert(!gps_nav_phase_preserve_seed_after_how(false, cold_control));
+
+	uint32_t flag_only =
+		cold_control | (1u << GPS_TRCK_NAV_SOLVE_FLAG_EN_POS);
+	assert(!gps_nav_phase_control_armed(flag_only));
+	assert(!gps_nav_phase_preserve_seed_after_how(true, flag_only));
+
+	uint32_t irq_only =
+		cold_control | (1u << GPS_TRCK_NAV_SOLVE_INTR_EN_POS);
+	assert(!gps_nav_phase_control_armed(irq_only));
+	assert(!gps_nav_phase_preserve_seed_after_how(true, irq_only));
+
+	uint32_t armed_control =
+		cold_control |
+		(1u << GPS_TRCK_NAV_SOLVE_INTR_EN_POS) |
+		(1u << GPS_TRCK_NAV_SOLVE_FLAG_EN_POS);
+	assert(gps_nav_phase_control_armed(armed_control));
+	assert(gps_nav_phase_preserve_seed_after_how(true, armed_control));
+	assert(!gps_nav_phase_preserve_seed_after_how(false, armed_control));
+
+	return 0;
+}