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config BR2_TARGET_U_BOOT
bool "u-boot"
default n
depends on BR2_avr32 || BR2_arm || BR2_armeb || BR2_i386 || BR2_powerpc || BR2_m68k || BR2_mips || BR2_nios2
help
U-Boot, the universal boot loader for multiple platforms and target
boards.
http://www.denx.de/wiki/UBoot/
config BR2_TARGET_U_BOOT_CONFIG_HEADER_FILE
string "U-Boot config header file"
depends on BR2_TARGET_U_BOOT
help
Set this variable to a file containing a U-Boot configuration for the
target board. This file will be copied into the U-Boot directory
include/configs.
config BR2_TARGET_U_BOOT_CONFIG_BOARD
string "U-Boot target board configuration"
depends on BR2_TARGET_U_BOOT
help
Set this variable to the target board you want to configure U-Boot
for. This will use the default options for this board in U-Boot and
build accordingly.
For example "atstk1002_config" for ATSTK1000 with ATSTK1002 top
module for the AVR32 starter kit.
config BR2_TARGET_U_BOOT_SERVERIP
string "Server IP"
depends on BR2_TARGET_U_BOOT
default "192.168.0.1"
help
The IP address for the remote server providing TFTP services.
config BR2_TARGET_U_BOOT_IPADDR
string "Target IP address"
depends on BR2_TARGET_U_BOOT
default "192.168.0.42"
help
Target board IP address, only set this if you intend to use a fixed
address (i.e. no DHCP). A blanc target IP address will allow the
board to use DHCP.
config BR2_TARGET_U_BOOT_GATEWAY
string "Gateway IP"
depends on BR2_TARGET_U_BOOT && BR2_TARGET_U_BOOT_IPADDR != ""
default "192.168.0.1"
help
Set the gateway IP address if you need to connect to a machine
outside the netmask for the network.
config BR2_TARGET_U_BOOT_NETMASK
string "netmask"
depends on BR2_TARGET_U_BOOT && BR2_TARGET_U_BOOT_IPADDR != ""
default "255.255.255.0"
help
Network mask for the target board network.
config BR2_TARGET_U_BOOT_ETH0ADDR
string "Ethernet 0 address"
depends on BR2_TARGET_U_BOOT
help
Target board MAC address for interface 0. You should have a MAC
address range provided by the company who made you MAC hardware.
config BR2_TARGET_U_BOOT_ETH1ADDR
string "Ethernet 1 address"
depends on BR2_TARGET_U_BOOT
help
Target board MAC address for interface 1. You should have a MAC
address range provided by the company who made you MAC hardware.
config BR2_TARGET_U_BOOT_BOOTARGS
string "Boot arguments"
depends on BR2_TARGET_U_BOOT
default "console=ttyS0 root=/dev/mtdblock1 rootfstype=jffs2"
help
Set the boot arguments in U-Boot to let it boot the way you prefer by
default. Typoes here will result in a non-booting target board.
Example booting from MMC/SD-card:
console=ttyS0 root=/dev/mmcblk0p1
Example booting from flash devices (NOR, NAND, DataFlash, etc):
console=ttyS0 root=/dev/mtdblock1 rootfstype=jffs2
config BR2_TARGET_U_BOOT_BOOTCMD
string "Boot command"
depends on BR2_TARGET_U_BOOT
default "fsload /boot/$(LINUX26_FORMAT); bootm"
help
Set the boot command in U-Boot which specifies how U-Boot should load
your kernel image, or if you want to do other commands automatically
when U-Boot starts.
Loading a kernel from MMC/SD-card:
mmcinit; ext2load mmc 0:1 <RAM address>
/boot/$(BR2_PACKAGE_LINUX_FORMAT); bootm
Loading a kernel from flash devices (NOR, NAND, DataFlash, etc):
fsload <RAM address> /boot/$(BR2_PACKAGE_LINUX_FORMAT); bootm
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