[PATCH v2] imx8mm-phg: Add board support

[Tom Rini]

On Tue, Jan 10, 2023 at 09:41:48AM -0300, Fabio Estevam wrote:

> Add the board support for the i.MX8MM Cloos PHG board.
>     
> This board uses a imx8mm-tqma8mqml SoM from TQ-Group.
> 
> imx8mm-phg.dts and imx8mm-tqma8mqml.dtsi are taken
> directly from Linux 6.2-rc3.
> 
> Signed-off-by: Fabio Estevam <festevam at denx.de>
> ---
> Changes since v1:
> - Rebased on top of current master (Tom)
> - Converted doc to  rst format (Tom)
> - Simplified environment
[snip]
> +/* Initial environment variables */
> +#define CFG_EXTRA_ENV_SETTINGS	\
> +	"console=ttymxc1,115200\0"	\
> +	"fdtfile=imx8mm-phg.dtb\0"	\
> +	"fdt_addr_r=0x43000000\0"	\
> +	"mmcdev=0\0"			\
> +	"mmcargs=setenv bootargs console=${console} root=/dev/mmcblk${mmcdev}p${mmcpart} rw rootwait quiet\0" \
> +	"bootcmd=env exists mmcpart || setenv mmcpart 1; run mmcargs; \
> +	mmc dev ${mmcdev}; load mmc ${mmcdev}:${mmcpart} ${loadaddr} boot/Image; \
> +	load mmc ${mmcdev}:${mmcpart} ${fdt_addr_r} boot/${fdtfile}; \
> +	booti ${loadaddr} - ${fdt_addr_r}\0"

We're not yet to the point of nak'ing new boards over this, but if you
look at something like board/kontron/sl-mx8mm/sl-mx8mm.env the above
is trivially done that way instead. Is there something blocking doing
that?

-- 
Tom
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