ARM: UniPhier: add environment variable for TFTP boot

The command "run tftpboot" downloads some files onto the RAM
via TFTP and boots the kernel.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

diff --git a/include/configs/uniphier.h b/include/configs/uniphier.h
index a909621411e4dbb4d7488481d26b9861af928b09..0a86c8d19cb391e42ed7a9ab8e1603b409814245 100644 (file)
--- a/include/configs/uniphier.h
+++ b/include/configs/uniphier.h
@@ -233,6 +233,9 @@
                "bootm $fit_addr\0" \
        "nandboot=run add_default_bootargs &&" \
                "nand read $fit_addr_r $fit_addr $fit_size &&" \
+               "bootm $fit_addr_r\0" \
+       "tftpboot=run add_default_bootargs &&" \
+               "tftpboot $fit_addr_r $bootfile &&" \
                "bootm $fit_addr_r\0"
 #else
 #define CONFIG_BOOTFILE                        "uImage"
@@ -240,18 +243,25 @@
        "fdt_addr=0x00100000\0" \
        "fdt_addr_r=0x84100000\0" \
        "fdt_size=0x00008000\0" \
+       "fdt_file=" CONFIG_DEFAULT_DEVICE_TREE ".dtb\0" \
        "kernel_addr=0x00200000\0" \
        "kernel_addr_r=0x84200000\0" \
        "kernel_size=0x00800000\0" \
        "ramdisk_addr=0x00a00000\0" \
        "ramdisk_addr_r=0x84a00000\0" \
        "ramdisk_size=0x00600000\0" \
+       "ramdisk_file=rootfs.cpio.uboot\0" \
        "norboot=run add_default_bootargs &&" \
                "bootm $kernel_addr $ramdisk_addr $fdt_addr\0" \
        "nandboot=run add_default_bootargs &&" \
                "nand read $kernel_addr_r $kernel_addr $kernel_size &&" \
                "nand read $ramdisk_addr_r $ramdisk_addr $ramdisk_size &&" \
                "nand read $fdt_addr_r $fdt_addr $fdt_size &&" \
+               "bootm $kernel_addr_r $ramdisk_addr_r $fdt_addr_r\0" \
+       "tftpboot=run add_default_bootargs &&" \
+               "tftpboot $kernel_addr_r $bootfile &&" \
+               "tftpboot $ramdisk_addr_r $ramdisk_file &&" \
+               "tftpboot $fdt_addr_r $fdt_file &&" \
                "bootm $kernel_addr_r $ramdisk_addr_r $fdt_addr_r\0"
 #endif