[U-Boot] [PATCH] ti_armv7_common: env: Add NFS loading support to default enviroment

[Andrew F. Davis <afd@ti.com>]

On 03/11/2016 09:38 AM, Andrew F. Davis wrote:
> NFS loading is similar to net loading except initial files are loaded
> over NFS instead of TFTP, this removes the need for multiple different
> protocol servers running on the host and allows the use of a single
> network file system containing boot related files in their usual
> in-filesystem directory. Add defaults for this boot style here.
> 
> Signed-off-by: Andrew F. Davis <afd@ti.com>
> ---
>  include/configs/ti_armv7_keystone2.h | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/include/configs/ti_armv7_keystone2.h b/include/configs/ti_armv7_keystone2.h
> index a7206f4..1c6997a 100644
> --- a/include/configs/ti_armv7_keystone2.h
> +++ b/include/configs/ti_armv7_keystone2.h
> @@ -213,6 +213,7 @@
>  #define CONFIG_CMD_SF
>  #define CONFIG_CMD_EEPROM
>  #define CONFIG_CMD_USB
> +#define CONFIG_CMD_NFS
>  

The above addition may cause redefinition build warnings, it might need
to be removed.

>  /* U-Boot general configuration */
>  #define CONFIG_MISC_INIT_R
> @@ -237,16 +238,21 @@
>  	"run_mon=mon_install ${addr_mon}\0"				\
>  	"run_kern=bootz ${loadaddr} - ${fdtaddr}\0"			\
>  	"init_net=run args_all args_net\0"				\
> +	"init_nfs=setenv autoload no; dhcp; run args_all args_net\0"	\
>  	"init_ubi=run args_all args_ubi; "				\
>  		"ubi part ubifs; ubifsmount ubi:boot;"			\
>  		"ubifsload ${addr_secdb_key} securedb.key.bin;\0"       \
>  	"get_fdt_net=dhcp ${fdtaddr} ${tftp_root}/${name_fdt}\0"	\
> +	"get_fdt_nfs=nfs ${fdtaddr} ${nfs_root}/boot/${name_fdt}\0"	\
>  	"get_fdt_ubi=ubifsload ${fdtaddr} ${name_fdt}\0"		\
>  	"get_kern_net=dhcp ${loadaddr} ${tftp_root}/${name_kern}\0"	\
> +	"get_kern_nfs=nfs ${loadaddr} ${nfs_root}/boot/${name_kern}\0"	\
>  	"get_kern_ubi=ubifsload ${loadaddr} ${name_kern}\0"		\
>  	"get_mon_net=dhcp ${addr_mon} ${tftp_root}/${name_mon}\0"	\
> +	"get_mon_nfs=nfs ${addr_mon} ${nfs_root}/boot/${name_mon}\0"	\
>  	"get_mon_ubi=ubifsload ${addr_mon} ${name_mon}\0"		\
>  	"get_uboot_net=dhcp ${loadaddr} ${tftp_root}/${name_uboot}\0"	\
> +	"get_uboot_nfs=nfs ${loadaddr} ${nfs_root}/boot/${name_uboot}\0" \
>  	"burn_uboot_spi=sf probe; sf erase 0 0x80000; "		\
>  		"sf write ${loadaddr} 0 ${filesize}\0"		\
>  	"burn_uboot_nand=nand erase 0 0x100000; "			\
> @@ -261,6 +267,7 @@
>  	"get_mon_ramfs=dhcp ${addr_mon} ${tftp_root}/${name_mon}\0"	\
>  	"get_fs_ramfs=dhcp ${rdaddr} ${tftp_root}/${name_fs}\0"	\
>  	"get_ubi_net=dhcp ${addr_ubi} ${tftp_root}/${name_ubi}\0"	\
> +	"get_ubi_nfs=nfs ${addr_ubi} ${nfs_root}/boot/${name_ubi}\0"	\
>  	"burn_ubi=nand erase.part ubifs; "				\
>  		"nand write ${addr_ubi} ubifs ${filesize}\0"		\
>  	"init_ramfs=run args_all args_ramfs get_fs_ramfs\0"		\
>