参考代码

components/system/include/drivers/chip/fmc.h

@@ -0,0 +1,40 @@
+#ifndef __FMC_H__
+#define __FMC_H__
+
+#include <stdbool.h>
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+void drv_fmc_enable(void);
+void drv_fmc_disable(void);
+
+void drv_fmc_lock(void);
+void drv_fmc_unlock(void);
+
+unsigned drv_fmc_get_rom_base(void);
+unsigned drv_fmc_get_rom_size(void);
+unsigned drv_fmc_get_sector_base(unsigned addr);
+unsigned drv_fmc_get_sector_size(unsigned addr);
+
+int drv_fmc_sector_erase(unsigned addr);
+int drv_fmc_data_write(unsigned addr, const void *src, unsigned size);
+int drv_fmc_data_read(void *dest, unsigned addr, unsigned size);
+
+bool drv_fmc_is_busy(void);
+
+int drv_fmc_set_read_protection(bool enable);
+int drv_fmc_set_write_protection(bool enable, unsigned start_offset, unsigned size);
+
+bool drv_fmc_is_read_protection(void);
+bool drv_fmc_is_write_protection(unsigned addr);
+
+int drv_fmc_set_wdt(unsigned time_ms);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif