am335x_evm: Add NET environment variables

* Add environment variables to support network booting

Signed-off-by: Chase Maupin <Chase.Maupin@ti.com>
Signed-off-by: Tom Rini <trini@ti.com>

diff --git a/include/configs/am335x_evm.h b/include/configs/am335x_evm.h
index 54707d45d3acf2ca1ee75658c8d4c75f8c98fec6..259d01ee7ba5f77546732d33b10357fbd951f4be 100644 (file)
--- a/include/configs/am335x_evm.h
+++ b/include/configs/am335x_evm.h
@@ -65,6 +65,10 @@
        "nandrootfstype=ubifs rootwait=1\0" \
        "nandsrcaddr=0x280000\0" \
        "nandimgsize=0x500000\0" \
+       "rootpath=/export/rootfs\0" \
+       "nfsopts=nolock\0" \
+       "static_ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}" \
+               "::off\0" \
        "ramroot=/dev/ram0 rw ramdisk_size=65536 initrd=${rdaddr},64M\0" \
        "ramrootfstype=ext2\0" \
        "mmcargs=setenv bootargs console=${console} " \
@@ -84,6 +88,11 @@
                "${optargs} " \
                "root=${spiroot} " \
                "rootfstype=${spirootfstype}\0" \
+       "netargs=setenv bootargs console=${console} " \
+               "${optargs} " \
+               "root=/dev/nfs " \
+               "nfsroot=${serverip}:${rootpath},${nfsopts} rw " \
+               "ip=dhcp\0" \
        "bootenv=uEnv.txt\0" \
        "loadbootenv=fatload mmc ${mmcdev} ${loadaddr} ${bootenv}\0" \
        "importbootenv=echo Importing environment from mmc ...; " \
@@ -107,6 +116,12 @@
                "sf probe ${spibusno}:0; " \
                "sf read ${loadaddr} ${spisrcaddr} ${spiimgsize}; " \
                "bootm ${loadaddr}\0" \
+       "netboot=echo Booting from network ...; " \
+               "setenv autoload no; " \
+               "dhcp; " \
+               "tftp ${loadaddr} ${bootfile}; " \
+               "run netargs; " \
+               "bootm ${loadaddr}\0" \
        "ramboot=echo Booting from ramdisk ...; " \
                "run ramargs; " \
                "bootm ${loadaddr}\0" \