altos/stm: Figure out available flash space based on chip id registers

[fw/altos] / src / stm / stm32l.h

diff --git a/src/stm/stm32l.h b/src/stm/stm32l.h
index 302f4d2451bf6fd762a544b257ab38cc0c93b7df..9226e9cb0f39a4ea6d1ffc27986000ce94a5100a 100644 (file)
--- a/src/stm/stm32l.h
+++ b/src/stm/stm32l.h
@@ -1492,6 +1492,36 @@ extern struct stm_temp_cal       stm_temp_cal;
 #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)