[PATCH] arm64: imx: Add support for imx8mp-beacon-kit

[Tom Rini]

On Sun, Feb 12, 2023 at 11:36:38AM -0600, Adam Ford wrote:

> Beacon Embedded has an i.MX8M Plus development kit which consists
> of a SOM + baseboard.  The SOM includes Bluetooth, WiFi, QSPI, eMMC,
> and one Ethernet PHY. The baseboard includes audio, HDMI, USB-C Dual
> Role port, USB Hub with five ports, a PCIe slot, and a second Ethernet
> PHY.  The device trees are already queued for inclusion in Linux 6.3.
> 
> Signed-off-by: Adam Ford <aford173 at gmail.com>
[snip]
> diff --git a/board/beacon/imx8mp/README b/board/beacon/imx8mp/README
> new file mode 100644
> index 0000000000..47999bb038
> --- /dev/null
> +++ b/board/beacon/imx8mp/README

Our rST docs have gotten to the point I think where we should say no to
new board README files, this belongs under doc/board/

[snip]
> +#define CFG_EXTRA_ENV_SETTINGS		\
> +	"scriptaddr=" __stringify(CONFIG_SYS_LOAD_ADDR) "\0" \
> +	"kernel_addr_r=" __stringify(CONFIG_SYS_LOAD_ADDR) "\0" \
> +	"image=Image\0" \
> +	"console=ttymxc1,115200\0" \
> +	"fdt_addr_r=0x43000000\0"			\
> +	"fdt_addr=0x43000000\0"			\
> +	"boot_fdt=try\0" \
> +	"boot_fit=no\0" \
> +	"fdt_file=" CONFIG_DEFAULT_FDT_FILE "\0" \
> +	"bootm_size=0x10000000\0" \
> +	"mmcdev=1\0" \
> +	"mmcpart=1\0" \
> +	"optargs=audit=0 video=LVDS-1:d video=LVDS-2:d\0" \
> +	"finduuid=part uuid mmc ${mmcdev}:2 uuid\0" \
> +	"mmcargs=setenv bootargs console=${console} " \
> +	" root=PARTUUID=${uuid} rootwait rw ${mtdparts} ${optargs}\0" \
> +	"bootscript=echo Running bootscript from mmc ...; " \
> +		"source\0" \
> +	"loadimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${image}\0" \
> +	"loadfdt=echo ${fdt_file}; fatload mmc ${mmcdev}:${mmcpart} ${fdt_addr_r} ${fdt_file}\0" \
> +	"mmcboot=echo Booting from mmc ...; " \
> +		"run finduuid; run mmcargs; " \
> +		"if test ${boot_fit} = yes || test ${boot_fit} = try; then " \
> +			"bootm ${loadaddr}; " \
> +		"else " \
> +			"if run loadfdt; then " \
> +				"booti ${loadaddr} - ${fdt_addr_r}; " \
> +			"else " \
> +				"echo WARN: Cannot load the DT; " \
> +			"fi; " \
> +		"fi;\0" \
> +	"netargs=setenv bootargs ${jh_clk} console=${console} " \
> +		"root=/dev/nfs " \
> +		"ip=dhcp nfsroot=${serverip}:${nfsroot},v3,tcp\0" \
> +	"netboot=echo Booting from net ...; " \
> +		"run netargs;  " \
> +		"if test ${ip_dyn} = yes; then " \
> +			"setenv get_cmd dhcp; " \
> +		"else " \
> +			"setenv get_cmd tftp; " \
> +		"fi; " \
> +		"${get_cmd} ${loadaddr} ${image}; " \
> +		"if test ${boot_fit} = yes || test ${boot_fit} = try; then " \
> +			"bootm ${loadaddr}; " \
> +		"else " \
> +			"if ${get_cmd} ${fdt_addr_r} ${fdt_file}; then " \
> +				"booti ${loadaddr} - ${fdt_addr_r}; " \
> +			"else " \
> +				"echo WARN: Cannot load the DT; " \
> +			"fi; " \
> +		"fi;\0"

And this should all be plain text environment (see board/*/*/*.env for
examples), and please put it somewhere on your TODO list to migrate
other platforms README and environments, thanks!

-- 
Tom
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