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upstream u-boot with additional patches for our devices/boards: https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ; Gbit ethernet patch for some LIME2 revisions ; with SPI flash support
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u-boot/board/freescale/mx28evk/README

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mx28evk: Add a README file Add a README file for mx28evk board. Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Acked-by: Marek Vasut <marex@denx.de>
13 years ago
FREESCALE MX28EVK
==================
Supported hardware: only MX28EVK rev D is supported in U-boot.
Files of the MX28EVK port
--------------------------
mxs: reorganize source directory for easy sharing of code in i.MXS SoCs Most code can be shared between i.MX23 and i.MX28 as both are from i.MXS family; this source directory structure makes easy to share code among them. Signed-off-by: Otavio Salvador <otavio@ossystems.com.br> Acked-by: Stefano Babic <sbabic@denx.de>
12 years ago
arch/arm/cpu/arm926ejs/mxs/ - The CPU support code for the Freescale i.MX28
arch/arm/include/asm/arch-mxs/ - Header files for the Freescale i.MX28
mx28evk: Add a README file Add a README file for mx28evk board. Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Acked-by: Marek Vasut <marex@denx.de>
13 years ago
board/freescale/mx28evk/ - MX28EVK board specific files
include/configs/mx28evk.h - MX28EVK configuration file
Jumper configuration
---------------------
To boot MX28EVK from an SD card, set the boot mode DIP switches as:
* Boot Mode Select: 1 0 0 1 (Boot from SD card Slot 0 - U42)
mx28evk: Fix PSWITCH key position Fix the position for PSWITCH key. The good benefit of doing this is that boot time is greatly reduced: from 5 seconds to less then 1 second. Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Acked-by: Marek Vasut <marex@denx.de>
13 years ago
* JTAG PSWITCH RESET: To the right (reset disabled)
mx28evk: Add a README file Add a README file for mx28evk board. Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Acked-by: Marek Vasut <marex@denx.de>
13 years ago
* Battery Source: Down
* Wall 5V: Up
* VDD 5V: To the left (off)
* Hold Button: Down (off)
mx28evk: Introduce a new target for saving env vars to NAND Introduce 'mx28evk_nand' target for saving environment variables into NAND. 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. Tested with a K9LBG08U0D. Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Reviewed-by: Otavio Salvador <otavio@ossystems.com.br>
12 years ago
Environment Storage
-------------------
There are two targets for mx28evk:
"make mx28evk_config" - store enviroment variables into MMC
or
"make mx28evk_nand_config" - store enviroment variables into NAND 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.
README: mxs: Introduce README.mxs Create a README.mxs file that contains instructions on how to use U-boot for both MX23 and MX28. As boot from NAND has only been tested on mx28, make it clear that it only applies to MX28. While at it, do some small cleanups for the sake of consistency: - Use "MX28" instead of "i.MX28" - Use "section" instead of "chapter" when referring to specific parts of the reference manual chapters. Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
12 years ago
Follow the instructions from doc/README.mxs to generate a bootable SD card.
mx28evk: Add a README file Add a README file for mx28evk board. Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Acked-by: Marek Vasut <marex@denx.de>
13 years ago
Insert the SD card in slot 0, power up the board and U-boot will boot.