X-Git-Url: https://git.kernelconcepts.de/?a=blobdiff_plain;f=README;h=c98afa74b18f68a866a4283bc5c0785374e6fd3f;hb=8f9c249836b1c081cb1b6b6bf063923473df6884;hp=92a11b4e11fc53f251ff235d2313e6aeb3565959;hpb=7373323056f524b3136cee4911f1debc23723ae7;p=karo-tx-uboot.git

diff --git a/README b/README
index 92a11b4e11..c98afa74b1 100644
--- a/README
+++ b/README
@@ -1151,6 +1151,14 @@ The following options need to be configured:
 			Define this to have a tty type of device available to
 			talk to the UDC device
 
+			CONFIG_USBD_HS
+			Define this to enable the high speed support for usb
+			device and usbtty. If this feature is enabled, a routine
+			int is_usbd_high_speed(void)
+			also needs to be defined by the driver to dynamically poll
+			whether the enumeration has succeded at high speed or full
+			speed.
+
 			CONFIG_SYS_CONSOLE_IS_IN_ENV
 			Define this if you want stdin, stdout &/or stderr to
 			be set to usbtty.
@@ -3609,6 +3617,7 @@ go	- start application at address 'addr'
 run	- run commands in an environment variable
 bootm	- boot application image from memory
 bootp	- boot image via network using BootP/TFTP protocol
+bootz   - boot zImage from memory
 tftpboot- boot image via network using TFTP protocol
 	       and env variables "ipaddr" and "serverip"
 	       (and eventually "gatewayip")
@@ -4429,6 +4438,18 @@ U-Boot supports the following image types:
 	useful when you configure U-Boot to use a real shell (hush)
 	as command interpreter.
 
+Booting the Linux zImage:
+-------------------------
+
+On some platforms, it's possible to boot Linux zImage. This is done
+using the "bootz" command. The syntax of "bootz" command is the same
+as the syntax of "bootm" command.
+
+Note, defining the CONFIG_SUPPORT_INITRD_RAW allows user to supply
+kernel with raw initrd images. The syntax is slightly different, the
+address of the initrd must be augmented by it's size, in the following
+format: "<initrd addres>:<initrd size>".
+
 
 Standalone HOWTO:
 =================