By default, What is the starting address of the boot code on the flash of the EZ kit min?
SPI2 FLASH ADDRESS SPACE uses 128MB from 0x4000 0000 to 0x4800 0000
By default, the program will flash from zeroth sector i.e. pAddress = 0x00000000
For program into specific address, you can use -offset command line switch in CLDP to flash the data in specified sector address. If you set the -offset 0x1000, the code will start flash from the address of 0x40010000. If you didn't give the -offset switch, the program will flash from zeroth sector.
You can refer the "Figure 3", from below linked datasheet which might be helpful to you.
We also recommend you to refer "Executing the Boot Mode" from below ADSP-BF70x Blackfin+ Processor Hardware Reference manual.