X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=README;h=a70475fb05f024e1b580317c0e8723ad4a574c73;hb=6011dabd0ae0c01991e4ccd85a15bb2225b7e8bd;hp=91c3ac0fa729fcb011a8faaf51713c550e1ecc3c;hpb=509dca7a11aad394d781a9d31a7bfa6692562741;p=u-boot

diff --git a/README b/README
index 91c3ac0fa7..a70475fb05 100644
--- a/README
+++ b/README
@@ -848,6 +848,7 @@ The following options need to be configured:
 		CONFIG_CMD_ELF		* bootelf, bootvx
 		CONFIG_CMD_ENV_CALLBACK	* display details about env callbacks
 		CONFIG_CMD_ENV_FLAGS	* display details about env flags
+		CONFIG_CMD_ENV_EXISTS	* check existence of env variable
 		CONFIG_CMD_EXPORTENV	* export the environment
 		CONFIG_CMD_EXT2		* ext2 command support
 		CONFIG_CMD_EXT4		* ext4 command support
@@ -1032,7 +1033,6 @@ The following options need to be configured:
 
 - GPIO Support:
 		CONFIG_PCA953X		- use NXP's PCA953X series I2C GPIO
-		CONFIG_PCA953X_INFO	- enable pca953x info command
 
 		The CONFIG_SYS_I2C_PCA953X_WIDTH option specifies a list of
 		chip-ngpio pairs that tell the PCA953X driver the number of
@@ -1367,6 +1367,13 @@ The following options need to be configured:
 			for your device
 			- CONFIG_USBD_PRODUCTID 0xFFFF
 
+		Some USB device drivers may need to check USB cable attachment.
+		In this case you can enable following config in BoardName.h:
+			CONFIG_USB_CABLE_CHECK
+			This enables function definition:
+			- usb_cable_connected() in include/usb.h
+			Implementation of this function is board-specific.
+
 - ULPI Layer Support:
 		The ULPI (UTMI Low Pin (count) Interface) PHYs are supported via
 		the generic ULPI layer. The generic layer accesses the ULPI PHY