[U-Boot] [PATCH 5/5] Add support for ReachTech G2C1 board

Fabio Estevam festevam at gmail.com
Wed Jan 21 21:53:30 CET 2015


On Wed, Jan 21, 2015 at 9:55 AM, Graeme Russ <gruss at tss-engineering.com> wrote:
> Signed-off-by: Graeme Russ <gruss at tss-engineering.com>

It would be nice to have a commit log with the text you put in the
help section that describes the board.

> --- /dev/null
> +++ b/board/reachtech/g2c1/README
> @@ -0,0 +1,58 @@
> +ReachTech G2C1
> +==================
> +
> +Supported hardware: ReachTech G2C1 is supported in U-boot.
> +
> +Files of the MX28EVK port

You should remove the references for mx28evk.

> +--------------------------
> +
> +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
> +board/reachtech/g2c1/          - G2C1 board specific files
> +include/configs/g2c1.h         - G2C1 configuration file
> +
> +Jumper configuration
> +---------------------
> +
> +To boot G2C1 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)
> +   * JTAG PSWITCH RESET: To the right (reset disabled)
> +   * Battery Source: Down
> +   * Wall 5V: Up
> +   * VDD 5V: To the left (off)
> +   * Hold Button: Down (off)
> +
> +To boot MX28EVK from SPI NOR flash, set the boot mode DIP switches as:

Same here.

> +
> +   * 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 three targets for mx28evk:
> +
> +"make mx28evk_config"          - store environment variables into MMC
> +
> +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.
> +
> +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.

And here too.


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