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Memory Map (ARTIK05x)

Physical Address Space

The following is the memory map of ARTIK05x.

             ADDRESS      CONTENTS       NOTE
           0xFFFFFFFF +---------------+
                      |  iRAM mirror  |
                      |    (64KB)     |
           0xFFFF0000 +---------------+
           0x8FFFFFFF +---------------+
                      |  SFR REGION   | Peripheral Area. (CR4) strongly-ordered
                      |    (256MB)    | (s5j_memorymap.h)
           0x80000000 +---------------+
           0x60FFFFFF +---------------+
                      |  NOR FLASH    | SFLASH Mirror area to be read only
                      |    mirror     |
                      |    (16MB)     |
           0x60000000 +---------------+
           0x04FFFFFF +---------------+
                      |  NOR FLASH    | FLASH area, default to set WBWA
                      |    (16MB)     |
                      |               |
           0x04000000 +---------------+
           0x0231FFFF +---------------+
                      |  iRAM shared  |
                      |    (128KB)    |
           0x02300000 +---------------+
           0x0215FFFF +---------------+
                      |     iRAM      |
                      |   (1280KB)    |
           0x02020000 +---------------+
           0x0000FFFF +---------------+
                      |     iROM      |
                      |    (64KB)     |
           0x00000000 +---------------+

Flash Partitions (8MB)

8MB is allocated to the SPI Flash area. After building TizenRT, refer to the following areas when downloading to the board.

             ADDRESS      CONTENTS       NOTE
           0x047FFFFF +---------------+
                      |  SSS R/W Key  | Secure Storage
                      |    (512KB)    |
                      |               |
           0x04780000 +---------------+
                      |  WiFi NVRAM   | WiFi RAM
                      |     (8KB)     |
           0x0477E000 +---------------+
                      |   User R/W    | SmartFS
                      |    (1400KB)   |
                      |               |
           0x04620000 +---------------+
                      |  OTA download | OTA image
                      |    (1536KB)   |
                      |               |
           0x044A0000 +---------------+
                      | Factory Reset | Factory Reset OS image
                      |    (1536KB)   | You have to compress the OS image and download it.
                      |               |
           0x04320000 +---------------+
                      |    OS AREA    | TizenRT
                      |   (TizenRT)   | (build/output/bin/tinyara_head.bin)
                      |    (2400KB)   |
                      |               |
                      |               |
                      |               |
                      |               |
                      |               |
                      |               |
           0x040C8000 +---------------+
                      |   WiFi F/W    | WiFi Firmware
                      |    (512KB)    | (build/configs/artik053/bin/wlanfw.bin)
                      |               |
           0x04048000 +---------------+
                      |    SSS F/W    | Secure Firmware
                      |     (32KB)    | (build/configs/artik053/bin/sssfw.bin)
           0x04040000 +---------------+
                      |      BL2      | 2nd stage bootloader
                      |    (192KB)    | (build/configs/artik053/bin/bl2.bin)
           0x04010000 +---------------+
                      |   SSS R/O Key | Secure boot key
                      |     (48KB)    |
           0x04004000 +---------------+
                      |      BL1      | 1st stage bootloader
                      |     (16KB)    | (build/configs/artik053/bin/bl1.bin)
           0x04000000 +---------------+

iRAM usage (1280KB)

Actually, BL1, OS and WiFi firmware are operated in iRAM.

             ADDRESS      CONTENTS       NOTE
           0x02160000 +---------------+
                      |     WiFi      |
                      |    (320KB)    |
                      |               |
                      |               |
                      |               |
           0x02110000 +---------------+
                      |   User Data   |
                      |     (OS)      |
                      |    (946KB)    |
                      |               |
                      |               |
                      |               |
                      |               |
                      |               |
                      |               |
                      |               |
                      |               |
           0x02023800 +---------------+
                      |      BL1      |
                      |     (8KB)     |
           0x02021800 +---------------+
           0x02020FFF +---------------+
                      |  Vector Table |
                      |     (4KB)     |
           0x02020000 +---------------+