Merge branch 'master' of git://www.denx.de/git/u-boot-usb

[karo-tx-uboot.git] / README

diff --git a/README b/README
index 7dc4f239afdf3f8c31abdc889b869d65274a807c..a70475fb05f024e1b580317c0e8723ad4a574c73 100644 (file)
--- a/README
+++ b/README
@@ -705,6 +705,11 @@ The following options need to be configured:
                the "silent" environment variable. See
                doc/README.silent for more information.
 
+               CONFIG_SYS_CONSOLE_BG_COL: define the backgroundcolor, default
+                       is 0x00.
+               CONFIG_SYS_CONSOLE_FG_COL: define the foregroundcolor, default
+                       is 0xa0.
+
 - Console Baudrate:
                CONFIG_BAUDRATE - in bps
                Select one of the baudrates listed in
@@ -843,6 +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
@@ -1027,7 +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
@@ -1362,6 +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
@@ -1994,9 +2006,9 @@ CBFS (Coreboot Filesystem) support
                    second bus.
 
                - drivers/i2c/tegra_i2c.c:
-                - activate this driver with CONFIG_SYS_I2C_TEGRA
-                - This driver adds 4 i2c buses with a fix speed from
-                  100000 and the slave addr 0!
+                 - activate this driver with CONFIG_SYS_I2C_TEGRA
+                 - This driver adds 4 i2c buses with a fix speed from
+                   100000 and the slave addr 0!
 
                - drivers/i2c/ppc4xx_i2c.c
                  - activate this driver with CONFIG_SYS_I2C_PPC4XX
@@ -2014,6 +2026,20 @@ CBFS (Coreboot Filesystem) support
                If thoses defines are not set, default value is 100000
                for speed, and 0 for slave.
 
+               - drivers/i2c/rcar_i2c.c:
+                 - activate this driver with CONFIG_SYS_I2C_RCAR
+                 - This driver adds 4 i2c buses
+
+                 - CONFIG_SYS_RCAR_I2C0_BASE for setting the register channel 0
+                 - CONFIG_SYS_RCAR_I2C0_SPEED for for the speed channel 0
+                 - CONFIG_SYS_RCAR_I2C1_BASE for setting the register channel 1
+                 - CONFIG_SYS_RCAR_I2C1_SPEED for for the speed channel 1
+                 - CONFIG_SYS_RCAR_I2C2_BASE for setting the register channel 2
+                 - CONFIG_SYS_RCAR_I2C2_SPEED for for the speed channel 2
+                 - CONFIG_SYS_RCAR_I2C3_BASE for setting the register channel 3
+                 - CONFIG_SYS_RCAR_I2C3_SPEED for for the speed channel 3
+                 - CONFIF_SYS_RCAR_I2C_NUM_CONTROLLERS for number of i2c buses
+
                additional defines:
 
                CONFIG_SYS_NUM_I2C_BUSES