input: simplify key_matrix_decode_fdt()

[u-boot] / doc / README.pxe

diff --git a/doc/README.pxe b/doc/README.pxe
index 2bbf53d957b1099c62587bb6ef2c803a4be0497d..f00f280fe65879106193a9f395659621785c72e8 100644 (file)
--- a/doc/README.pxe
+++ b/doc/README.pxe
@@ -93,8 +93,13 @@ pxe boot
      be passed to the bootm command to boot the kernel. These environment
      variables are required to be set.
 
      be passed to the bootm command to boot the kernel. These environment
      variables are required to be set.
 

-     fdt_addr - the location of a fdt blob. If this is set, it will be passed
-     to bootm when booting a kernel.
+     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
+     pxe file and 'fdt_addr_r' is set. If retrieval is possible, 'fdt_addr_r'
+     will be passed to bootm command to boot the kernel.
+
+     fdt_addr - the location of a fdt blob. 'fdt_addr' will be passed to bootm
+     command if it is set and 'fdt_addr_r' is not passed to bootm command.

 
 pxe file format
 ===============
 
 pxe file format
 ===============


@@ -156,6 +161,11 @@ initrd <path>          - if this label is chosen, use tftp to retrieve the initrd
                      the initrd_addr_r environment variable, and that address
                      will be passed to bootm.
 
                      the initrd_addr_r environment variable, and that address
                      will be passed to bootm.
 

+fdt <path>         - if this label is chosen, use tftp to retrieve the fdt blob
+                     at <path>. it will be stored at the address indicated in
+                     the fdt_addr_r environment variable, and that address will
+                     be passed to bootm.
+

 localboot <flag>    - Run the command defined by "localcmd" in the environment.
                      <flag> is ignored and is only here to match the syntax of
                      PXELINUX config files.
 localboot <flag>    - Run the command defined by "localcmd" in the environment.
                      <flag> is ignored and is only here to match the syntax of
                      PXELINUX config files.