pico-imx6ul: Add NFS boot support
Add script for retrieving the kernel via TFTP and mounting the
rootfs via NFS.
Signed-off-by: Diego Dorta <diego.dorta@nxp.com>
Acked-by: Fabio Estevam <fabio.estevam@nxp.com>
diff --git a/include/configs/pico-imx6ul.h b/include/configs/pico-imx6ul.h
index db78a54..f8fe230 100644
--- a/include/configs/pico-imx6ul.h
+++ b/include/configs/pico-imx6ul.h
@@ -102,7 +102,31 @@
"bootz ${loadaddr} - ${fdt_addr}; " \
"else " \
"echo WARN: Cannot load the DT; " \
- "fi;\0"
+ "fi;\0" \
+ "netargs=setenv bootargs console=${console},${baudrate} " \
+ "root=/dev/nfs " \
+ "ip=dhcp nfsroot=${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} ${image}; " \
+ "if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \
+ "if ${get_cmd} ${fdt_addr} ${fdt_file}; then " \
+ "bootz ${loadaddr} - ${fdt_addr}; " \
+ "else " \
+ "if test ${boot_fdt} = try; then " \
+ "bootz; " \
+ "else " \
+ "echo WARN: Cannot load the DT; " \
+ "fi; " \
+ "fi; " \
+ "else " \
+ "bootz; " \
+ "fi;\0" \
#define CONFIG_BOOTCOMMAND \
"if mmc rescan; then " \