const void *stm_interrupt_vector[];
+uint32_t
+stm_flash_size(void) {
+ uint16_t dev_id = stm_dev_id();
+ uint16_t kbytes = 0;
+
+ switch (dev_id) {
+ case 0x416: /* cat 1 */
+ kbytes = stm_flash_size_medium.f_size;
+ break;
+ case 0x429: /* cat 2 */
+ kbytes = stm_flash_size_medium.f_size & 0xff;
+ break;
+ case 0x427: /* cat 3 */
+ kbytes = stm_flash_size_large.f_size;
+ break;
+ case 0x436: /* cat 4 */
+ switch (stm_flash_size_large.f_size) {
+ case 0:
+ kbytes = 256;
+ break;
+ case 1:
+ kbytes = 384;
+ break;
+ }
+ break;
+ case 0x437: /* cat 5 */
+ kbytes = stm_flash_size_large.f_size;
+ break;
+ }
+ return (uint32_t) kbytes * 1024;
+}
+
void start(void)
{
#ifdef AO_BOOT_CHAIN
stm_mpu = 0xe000ed90;
+stm_dbg_mcu = 0xe0042000;
+
/* calibration data in system memory */
stm_temp_cal = 0x1ff80078;
+stm_flash_size_medium = 0x1ff8004c;
+stm_flash_size_large = 0x1ff800cc;
+stm_device_id = 0x1ff80050;
#define stm_temp_cal_cold 25
#define stm_temp_cal_hot 110
+struct stm_dbg_mcu {
+ uint32_t idcode;
+};
+
+extern struct stm_dbg_mcu stm_dbg_mcu;
+
+static inline uint16_t
+stm_dev_id(void) {
+ return stm_dbg_mcu.idcode & 0xfff;
+}
+
+struct stm_flash_size {
+ uint16_t f_size;
+};
+
+extern struct stm_flash_size stm_flash_size_medium;
+extern struct stm_flash_size stm_flash_size_large;
+
+/* Returns flash size in bytes */
+extern uint32_t
+stm_flash_size(void);
+
+struct stm_device_id {
+ uint32_t u_id0;
+ uint32_t u_id1;
+ uint32_t u_id2;
+};
+
+extern struct stm_device_id stm_device_id;
+
#define STM_NUM_I2C 2
#define STM_I2C_INDEX(channel) ((channel) - 1)