[U-Boot] [PATCH v3] mx6sabresd: README: Add eMMC boot configuration

[Stefano Babic]

On 10/04/2017 14:45, Breno Lima wrote:
> Explain how to flash the eMMC and how to boot from it.
> 
> Signed-off-by: Breno Lima <breno.lima at nxp.com>
> ---
> Changes since v2:
> -Fix number of methods for booting mx6sabresd boards.
> 
>  board/freescale/mx6sabresd/README | 55 +++++++++++++++++++++++++++++++++------
>  1 file changed, 47 insertions(+), 8 deletions(-)
> 
> diff --git a/board/freescale/mx6sabresd/README b/board/freescale/mx6sabresd/README
> index 5814b9d..bc0c0d0 100644
> --- a/board/freescale/mx6sabresd/README
> +++ b/board/freescale/mx6sabresd/README
> @@ -1,17 +1,19 @@
>  How to use and build U-Boot on mx6sabresd:
>  ----------------------------------
>  
> -Currently there are three methods for booting mx6sabresd boards:
> +Currently there are four methods for booting mx6sabresd boards:
>  
> -1. Booting via Normal U-Boot (u-boot.imx)
> +1. Booting from SD card via normal U-Boot (u-boot.imx)
>  
> -2. Booting via SPL (SPL and u-boot.img)
> +2. Booting from eMMC via normal U-Boot
>  
> -3. Booting via Falcon mode (SPL launches the kernel directly)
> +3. Booting via SPL (SPL and u-boot.img)
>  
> +4. Booting via Falcon mode (SPL launches the kernel directly)
>  
> -1. Booting via Normal U-Boot
> -----------------------------
> +
> +1. Booting from SD card via normal U-Boot
> +-----------------------------------------
>  
>  $ make mx6qsabresd_defconfig (If you want to build for mx6qsabresd)
>  
> @@ -28,7 +30,44 @@ This will generate the image called u-boot.imx.
>  $ sudo dd if=u-boot.imx of=/dev/sdb bs=1K seek=1 && sync
>  
>  
> -2. Booting via SPL
> +2. Booting from eMMC via normal U-Boot
> +--------------------------------------
> +
> +$ make mx6qsabresd_defconfig (If you want to build for mx6qsabresd)
> +
> +or
> +
> +$ make mx6dlsabresd_defconfig (If you want to build for mx6dlsabresd)
> +
> +$ make
> +
> +This will generate the image called u-boot.imx.
> +
> +- Flash the u-boot.imx binary into the eMMC:
> +
> +Set SW6 to download mode: 00001100
> +
> +Plug a usb cable to USB-OTG and load the u-boot image using the imx_usb_loader
> +tool (https://github.com/boundarydevices/imx_usb_loader):
> +
> +$ sudo ./imx_usb u-boot.imx
> +
> +In U-boot change the eMMC partition config:
> +
> +=> mmc partconf 2 1 0 0
> +
> +Mount the eMMC in the host PC:
> +
> +=> ums 0 mmc 2
> +
> +Flash the u-boot.imx binary
> +
> +$ sudo dd if=u-boot.imx of=/dev/sdX bs=1K seek=1 && sync
> +
> +Set SW6 to eMMC 8-bit boot: 11010110
> +
> +
> +3. Booting via SPL
>  ------------------
>  
>  Other method for building U-Boot on mx6qsabresd and mx6qpsabresd is
> @@ -48,7 +87,7 @@ $ sudo dd if=SPL of=/dev/sdb bs=1K seek=1 && sync
>  $ sudo dd if=u-boot.img of=/dev/sdbbs=1K seek=69 && sync
>  
>  
> -3. Booting via Falcon mode
> +4. Booting via Falcon mode
>  --------------------------
>  
>  $ make mx6sabresd_spl_defconfig
> 

Applied to u-boot-imx, thanks!

Best regards,
Stefano Babic

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