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1 Freescale MPC8349E-mITX and MPC8349E-mITX-GP Boards
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6 The MPC8349E-mITX and MPC8349E-mITX-GP are reference boards featuring
7 the Freescale MPC8349E processor in a Mini-ITX form factor.
9 The MPC8349E-mITX-GP is an MPC8349E-mITX with the following differences:
11 A) One 8MB on-board flash EEPROM chip, instead of two.
12 B) No SATA controller
13 C) No Compact Flash slot
14 D) No Mini-PCI slot
15 E) No Vitesse 7385 5-port Ethernet switch
16 F) No 4-port USB Type-A interface
21 Guide. Of particular interest to U-Boot developers is jumper J22:
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29 E BOOT1 ON (0) Flash EEPROM boot device
31 G I2C-WP ON (0) I2C EEPROM write protection
32 H F_WP OFF (1) Flash EEPROM write protection
39 For U-Boot development, J22.E can be used to switch back-and-forth
40 between two U-Boot images.
46 0x0000_0000 - 0x0FFF_FFFF DDR SDRAM (256 MB)
47 0x8000_0000 - 0x9FFF_FFFF PCI1 memory space (512 MB)
48 0xA000_0000 - 0xBFFF_FFFF PCI2 memory space (512 MB)
49 0xE000_0000 - 0xEFFF_FFFF IMMR (1 MB)
50 0xE200_0000 - 0xE2FF_FFFF PCI1 I/O space (16 MB)
51 0xE300_0000 - 0xE3FF_FFFF PCI2 I/O space (16 MB)
52 0xF000_0000 - 0xF000_FFFF Compact Flash (ITX only)
53 0xF001_0000 - 0xF001_FFFF Local bus expansion slot
54 0xF800_0000 - 0xF801_FFFF Vitesse 7385 Parallel Interface (ITX only)
55 0xFE00_0000 - 0xFE7F_FFFF First 8MB bank of Flash memory
56 0xFE80_0000 - 0xFEFF_FFFF Second 8MB bank of Flash memory (ITX only)
58 3.2 Flash EEPROM layout.
67 FE70_0000 Alternative U-Boot image
69 FEF0_0000 U-Boot image
74 FE00_0000 HRCW and U-Boot image
75 FE04_0000 U-Boot environment variables
76 FE80_0000 Alternative HRCW and U-Boot image
79 On the ITX-GP, the only option is LOWBOOT and there is only one chip
81 FE00_0000 HRCW and U-Boot image
82 FE04_0000 U-Boot environment variables
93 CONFIG_MPC8349ITX MPC8349E-mITX
94 CONFIG_MPC8349ITXGP MPC8349E-mITX-GP
100 export CROSS_COMPILE=your-cross-compile-prefix
101 cd u-boot
119 the U-Boot image.
121 6.1 Reflash U-Boot Image using U-Boot
127 the U-Boot image.
129 6.2 Using the HRCW to switch between two different U-Boot images on the ITX
131 Because the ITX has 16MB of flash, it is possible to keep two U-Boot
134 hardware debugger that can override the HRCW, such as the BDI-2000.
136 When the BMS bit in the HRCW is 0, the ITX will boot the U-Boot image
140 Therefore, just put a U-Boot image at both FE000000 and FEF00000 and
143 Step-by-step instructions:
151 2) Take the u-boot.bin image and flash it at FEF00000.
153 tftp $loadaddr u-boot.bin
164 4) Take the u-boot.bin image and flash it at FE000000.
166 tftp $loadaddr u-boot.bin
178 U-Boot commands: