pxe: Modify README to add the description about FIT image
Use environment variable "kernel_addr_r" to indicate the location
in RAM where FIT image will be stored.
Use label command "kernel" to indicate which <path> the FIT image at.
Signed-off-by: Wenbin Song <wenbin.song@nxp.com>
diff --git a/doc/README.pxe b/doc/README.pxe
index cc182c9..db11658 100644
--- a/doc/README.pxe
+++ b/doc/README.pxe
@@ -78,9 +78,9 @@
address of the tftp server from which other files will be retrieved.
kernel_addr_r, initrd_addr_r - locations in RAM at which 'pxe boot' will
- store the kernel and initrd it retrieves from tftp. These locations will
- be passed to the bootm command to boot the kernel. These environment
- variables are required to be set.
+ store the kernel(or FIT image) and initrd it retrieves from tftp. These
+ locations will be passed to the bootm command to boot the kernel. These
+ environment variables are required to be set.
fdt_addr_r - location in RAM at which 'pxe boot' will store the fdt blob it
retrieves from tftp. The retrieval is possible if 'fdt' label is defined in
@@ -138,9 +138,9 @@
specified in a different way
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.
+ (or FIT image) 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.
append <string> - use <string> as the kernel command line when booting this
label.