projects / people / ms / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 607dfdf5 FE |
1 | FREESCALE MX28EVK |
| 2 | ================== | |
| 3 | ||
| 4 | Supported hardware: only MX28EVK rev D is supported in U-boot. | |
| 5 | ||
| 6 | Files of the MX28EVK port | |
| 7 | -------------------------- | |
| 8 | ||
| 3a0398d7 OS |
9 | arch/arm/cpu/arm926ejs/mxs/ - The CPU support code for the Freescale i.MX28 |
| 10 | arch/arm/include/asm/arch-mxs/ - Header files for the Freescale i.MX28 | |
| 607dfdf5 FE |
11 | board/freescale/mx28evk/ - MX28EVK board specific files |
| 12 | include/configs/mx28evk.h - MX28EVK configuration file | |
| 13 | ||
| 14 | Jumper configuration | |
| 15 | --------------------- | |
| 16 | ||
| 17 | To boot MX28EVK from an SD card, set the boot mode DIP switches as: | |
| 18 | ||
| 19 | * Boot Mode Select: 1 0 0 1 (Boot from SD card Slot 0 - U42) | |
| eeacb73b | 20 | * JTAG PSWITCH RESET: To the right (reset disabled) |
| 607dfdf5 FE |
21 | * Battery Source: Down |
| 22 | * Wall 5V: Up | |
| 23 | * VDD 5V: To the left (off) | |
| 24 | * Hold Button: Down (off) | |
| 25 | ||
| a81c90f4 FE |
26 | To boot MX28EVK from SPI NOR flash, set the boot mode DIP switches as: |
| 27 | ||
| 28 | * Boot Mode Select: 0 0 1 0 (Boot from SSP2) | |
| 29 | * JTAG PSWITCH RESET: To the right (reset disabled) | |
| 30 | * Battery Source: Down | |
| 31 | * Wall 5V: Up | |
| 32 | * VDD 5V: To the left (off) | |
| 33 | * Hold Button: Down (off) | |
| ab461be6 FE |
34 | |
| 35 | Environment Storage | |
| 36 | ------------------- | |
| 37 | ||
| a81c90f4 | 38 | There are three targets for mx28evk: |
| ab461be6 | 39 | |
| 1bce2aeb | 40 | "make mx28evk_config" - store environment variables into MMC |
| ab461be6 FE |
41 | |
| 42 | or | |
| 43 | ||
| 1bce2aeb | 44 | "make mx28evk_nand_config" - store environment variables into NAND flash |
| ab461be6 | 45 | |
| a81c90f4 FE |
46 | or |
| 47 | ||
| 48 | "make mx28evk_spi_config" - store enviroment variables into SPI NOR flash | |
| 49 | ||
| ab461be6 FE |
50 | Choose the target accordingly. |
| 51 | ||
| 52 | Note: The mx28evk board does not come with a NAND flash populated from the | |
| 53 | factory. It comes with an empty slot (U23), which allows the insertion of a | |
| 54 | 48-pin TSOP flash device. | |
| 55 | ||
| a81c90f4 FE |
56 | mx28evk does not come with SPI NOR flash populated from the factory either. |
| 57 | It is possible to solder a SOIC memory on U49 or use a DIP8 on J89. | |
| 58 | To get SPI communication to work R320, R321,R322 and C178 need to be populated. | |
| 59 | Look in the schematics for the proper component values. | |
| 607dfdf5 | 60 | |
| a81c90f4 FE |
61 | Follow the instructions from doc/README.mxs to generate a bootable SD card or |
| 62 | to generate a binary to be flashed into SPI NOR. |