+struct stm_crc {
+ union {
+ vuint32_t u32;
+ vuint16_t u16;
+ vuint8_t u8;
+ } dr;
+ vuint32_t idr;
+ vuint32_t cr;
+ uint32_t _0c;
+
+ vuint32_t init;
+ vuint32_t pol;
+};
+
+extern struct stm_crc stm_crc;
+
+#define stm_crc (*((struct stm_crc *) 0x40023000))
+
+#define STM_CRC_CR_REV_OUT 7
+#define STM_CRC_CR_REV_IN 5
+#define STM_CRC_CR_REV_IN_NONE 0
+#define STM_CRC_CR_REV_IN_BY_BYTE 1
+#define STM_CRC_CR_REV_IN_BY_HALF_WORD 2
+#define STM_CRC_CR_REV_IN_BY_WORD 3
+#define STM_CRC_CR_POLYSIZE 3
+#define STM_CRC_CR_POLYSIZE_32 0
+#define STM_CRC_CR_POLYSIZE_16 1
+#define STM_CRC_CR_POLYSIZE_8 2
+#define STM_CRC_CR_POLYSIZE_7 3
+#define STM_CRC_CR_RESET 0
+