diff options
Diffstat (limited to 'board/freescale/mx28evk')
| -rw-r--r-- | board/freescale/mx28evk/README | 22 |
1 files changed, 19 insertions, 3 deletions
diff --git a/board/freescale/mx28evk/README b/board/freescale/mx28evk/README index 0389a1d..958ebc6 100644 --- a/board/freescale/mx28evk/README +++ b/board/freescale/mx28evk/README @@ -23,11 +23,19 @@ To boot MX28EVK from an SD card, set the boot mode DIP switches as: * VDD 5V: To the left (off) * Hold Button: Down (off) +To boot MX28EVK from SPI NOR flash, set the boot mode DIP switches as: + + * Boot Mode Select: 0 0 1 0 (Boot from SSP2) + * JTAG PSWITCH RESET: To the right (reset disabled) + * Battery Source: Down + * Wall 5V: Up + * VDD 5V: To the left (off) + * Hold Button: Down (off) Environment Storage ------------------- -There are two targets for mx28evk: +There are three targets for mx28evk: "make mx28evk_config" - store environment variables into MMC @@ -35,12 +43,20 @@ or "make mx28evk_nand_config" - store environment variables into NAND flash +or + +"make mx28evk_spi_config" - store enviroment variables into SPI NOR flash + Choose the target accordingly. Note: The mx28evk board does not come with a NAND flash populated from the factory. It comes with an empty slot (U23), which allows the insertion of a 48-pin TSOP flash device. -Follow the instructions from doc/README.mxs to generate a bootable SD card. +mx28evk does not come with SPI NOR flash populated from the factory either. +It is possible to solder a SOIC memory on U49 or use a DIP8 on J89. +To get SPI communication to work R320, R321,R322 and C178 need to be populated. +Look in the schematics for the proper component values. -Insert the SD card in slot 0, power up the board and U-boot will boot. +Follow the instructions from doc/README.mxs to generate a bootable SD card or +to generate a binary to be flashed into SPI NOR. |