X-Git-Url: https://git.kernelconcepts.de/?p=karo-tx-uboot.git;a=blobdiff_plain;f=README;h=ecc087ad914b20afd6ad63008a780ffe23629ca0;hp=4dfb292bf5a1bcd31e3e167ce4faa5d4c1c3b7cf;hb=38b99261c13a54ea955a8fe9176e73256486362f;hpb=4c3b21a5f915988e3d9681cf9cb566bb7bd56859

diff --git a/README b/README
index 4dfb292bf5..ecc087ad91 100644
--- a/README
+++ b/README
@@ -1988,6 +1988,14 @@ Some configuration options can be set using Environment Variables:
 
 		  setenv initrd_high 00c00000
 
+                  If you set initrd_high to 0xFFFFFFFF, this is an
+                  indication to U-Boot that all addresses are legal
+                  for the Linux kernel, including addresses in flash
+                  memory. In this case U-Boot will NOT COPY the
+                  ramdisk at all. This may be useful to reduce the
+                  boot time on your system, but requires that this
+                  feature is supported by your Linux kernel.
+
   ipaddr	- IP address; needed for tftpboot command
 
   loadaddr	- Default load address for commands like "bootp",