s usual after making a post, I maybe found:
Is it on the SYSRSTSTAT ?
/*! @name SYSRSTSTAT - System reset status register */
#define SYSCON_SYSRSTSTAT_POR_MASK (0x1U)
#define SYSCON_SYSRSTSTAT_POR_SHIFT (0U)
#define SYSCON_SYSRSTSTAT_POR(x) (((uint32_t)(((uint32_t)(x)) << SYSCON_SYSRSTSTAT_POR_SHIFT)) & SYSCON_SYSRSTSTAT_POR_MASK)
#define SYSCON_SYSRSTSTAT_EXTRST_MASK (0x2U)
#define SYSCON_SYSRSTSTAT_EXTRST_SHIFT (1U)
#define SYSCON_SYSRSTSTAT_EXTRST(x) (((uint32_t)(((uint32_t)(x)) << SYSCON_SYSRSTSTAT_EXTRST_SHIFT)) & SYSCON_SYSRSTSTAT_EXTRST_MASK)
#define SYSCON_SYSRSTSTAT_WDT_MASK (0x4U)
#define SYSCON_SYSRSTSTAT_WDT_SHIFT (2U)
#define SYSCON_SYSRSTSTAT_WDT(x) (((uint32_t)(((uint32_t)(x)) << SYSCON_SYSRSTSTAT_WDT_SHIFT)) & SYSCON_SYSRSTSTAT_WDT_MASK)
#define SYSCON_SYSRSTSTAT_BOD_MASK (0x8U)
#define SYSCON_SYSRSTSTAT_BOD_SHIFT (3U)
#define SYSCON_SYSRSTSTAT_BOD(x) (((uint32_t)(((uint32_t)(x)) << SYSCON_SYSRSTSTAT_BOD_SHIFT)) & SYSCON_SYSRSTSTAT_BOD_MASK)
#define SYSCON_SYSRSTSTAT_SYSRST_MASK (0x10U)
#define SYSCON_SYSRSTSTAT_SYSRST_SHIFT (4U)
#define SYSCON_SYSRSTSTAT_SYSRST(x) (((uint32_t)(((uint32_t)(x)) << SYSCON_SYSRSTSTAT_SYSRST_SHIFT)) & SYSCON_SYSRSTSTAT_SYSRST_MASK)
