X-Git-Url: https://git.kernelconcepts.de/?a=blobdiff_plain;f=README;h=8f0b38cbf38b16de6f2a9d8707cde096f3b52b51;hb=86737bcf07e595e78620d29b429ad9e994a32659;hp=3c233db068c42e004c2350efecc40586ca149b8b;hpb=76a8265b4f54d1b9cd2b70efb46dcdeaa5d20bfb;p=karo-tx-uboot.git

diff --git a/README b/README
index 3c233db068..8f0b38cbf3 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:
 -----------------------------------