onenand:samsung OneNAND chip probe functions added for GONI and Exynos4210

[karo-tx-uboot.git] / README

diff --git a/README b/README
index 92a11b4e11fc53f251ff235d2313e6aeb3565959..c98afa74b18f68a866a4283bc5c0785374e6fd3f 100644 (file)
--- 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:
 =================