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This patch adds pxeboot support for versal platform by adding default
config file in pxelinux.cfg directory with below minimal mandatory
information forbooting.
label <name> - begin a label definition. labels continue until
a command not recognized as a label command is seen,
or EOF is reached.
kernel <path> - if this label is chosen, use tftp to retrieve the kernel
at <path>. it will be stored at the address indicated in
the kernel_addr_r environment variable, and that address
will be passed to bootm to boot this kernel.
fdt <path> - if this label is chosen, it will load dtb at fdt_addr
and that location of a fdt_addr will be passed
to bootm when booting a kernel.
Generally after u-boot bootup in jtag mode after autoboot time it scans
usb and then ethernet and checks for pxelinux.cfg directory with default
config file, if found it will load and boot linux.
Steps to test:
1.acquire the board
2.in systest point the tftpd <path>
3.open serial terminal and connect com0
4.load the pdi from xsdb
5.stop at uboot promt and set serverip
6.dhcp
7.pxe get
8.pxe boot
Signed-off-by: Swagath Gadde <swagathg@xilinx.com>
Signed-off-by: Manjukumar Matha <manjukumar.harthikote-matha@xilinx.com>
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