X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=README;h=895fef37e81edc66b115fb8885c69707572b369b;hb=6bb6049bf2ecde91b62a4b3d55fa6ee8ed61520e;hp=3c233db068c42e004c2350efecc40586ca149b8b;hpb=65b7fe28a12bbaccc7a0c076f5f9f213150030e7;p=u-boot

diff --git a/README b/README
index 3c233db068..895fef37e8 100644
--- a/README
+++ b/README
@@ -818,6 +818,22 @@ The following options need to be configured:
 		as a convenience, when switching between booting from
 		RAM and NFS.
 
+- Bootcount:
+		CONFIG_BOOTCOUNT_LIMIT
+		Implements a mechanism for detecting a repeating reboot
+		cycle, see:
+		http://www.denx.de/wiki/view/DULG/UBootBootCountLimit
+
+		CONFIG_BOOTCOUNT_ENV
+		If no softreset save registers are found on the hardware
+		"bootcount" is stored in the environment. To prevent a
+		saveenv on all reboots, the environment variable
+		"upgrade_available" is used. If "upgrade_available" is
+		0, "bootcount" is always 0, if "upgrade_available" is
+		1 "bootcount" is incremented in the environment.
+		So the Userspace Applikation must set the "upgrade_available"
+		and "bootcount" variable to 0, if a boot was successfully.
+
 - Pre-Boot Commands:
 		CONFIG_PREBOOT
 
@@ -4394,6 +4410,9 @@ Low Level (hardware related) configuration options:
 
 		NOTE : currently only supported on AM335x platforms.
 
+- CONFIG_SPL_AM33XX_ENABLE_RTC32K_OSC:
+		Enables the RTC32K OSC on AM33xx based plattforms
+
 Freescale QE/FMAN Firmware Support:
 -----------------------------------
 
@@ -5233,6 +5252,15 @@ when your kernel is intended to use an initial ramdisk:
 	Load Address: 0x00000000
 	Entry Point:  0x00000000
 
+The "dumpimage" is a tool to disassemble images built by mkimage. Its "-i"
+option performs the converse operation of the mkimage's second form (the "-d"
+option). Given an image built by mkimage, the dumpimage extracts a "data file"
+from the image:
+
+	tools/dumpimage -i image -p position data_file
+	  -i ==> extract from the 'image' a specific 'data_file', \
+	   indexed by 'position'
+
 
 Installing a Linux Image:
 -------------------------