Add initial support for USB ehci pci

[platform/kernel/u-boot.git] / README

diff --git a/README b/README
index 3674ca1..86c1304 100644 (file)
--- a/README
+++ b/README
@@ -592,6 +592,10 @@ The following options need to be configured:
                CONFIG_CMD_DHCP         * DHCP support
                CONFIG_CMD_DIAG         * Diagnostics
                CONFIG_CMD_DOC          * Disk-On-Chip Support
+               CONFIG_CMD_DS4510       * ds4510 I2C gpio commands
+               CONFIG_CMD_DS4510_INFO  * ds4510 I2C info command
+               CONFIG_CMD_DS4510_MEM   * ds4510 I2C eeprom/sram commansd
+               CONFIG_CMD_DS4510_RST   * ds4510 I2C rst command
                CONFIG_CMD_DTT          * Digital Therm and Thermostat
                CONFIG_CMD_ECHO           echo arguments
                CONFIG_CMD_EEPROM       * EEPROM read/write support
@@ -621,6 +625,8 @@ The following options need to be configured:
                CONFIG_CMD_MII          * MII utility commands
                CONFIG_CMD_NAND         * NAND support
                CONFIG_CMD_NET            bootp, tftpboot, rarpboot
+               CONFIG_CMD_PCA953X      * PCA953x I2C gpio commands
+               CONFIG_CMD_PCA953X_INFO * PCA953x I2C gpio info command
                CONFIG_CMD_PCI          * pciinfo
                CONFIG_CMD_PCMCIA               * PCMCIA support
                CONFIG_CMD_PING         * send ICMP ECHO_REQUEST to network
@@ -698,6 +704,13 @@ The following options need to be configured:
                Note that if the RTC uses I2C, then the I2C interface
                must also be configured. See I2C Support, below.
 
+- GPIO Support:
+               CONFIG_PCA953X          - use NXP's PCA953X series I2C GPIO
+               CONFIG_PCA953X_INFO     - enable pca953x info command
+
+               Note that if the GPIO device uses I2C, then the I2C interface
+               must also be configured. See I2C Support, below.
+
 - Timestamp Support:
 
                When CONFIG_TIMESTAMP is selected, the timestamp
@@ -1496,6 +1509,15 @@ The following options need to be configured:
                Bus on the MPC8260. But it should be not so difficult
                to add this option to other architectures.
 
+               CONFIG_SOFT_I2C_READ_REPEATED_START
+
+               defining this will force the i2c_read() function in
+               the soft_i2c driver to perform an I2C repeated start
+               between writing the address pointer and reading the
+               data.  If this define is omitted the default behaviour
+               of doing a stop-start sequence will be used.  Most I2C
+               devices can use either method, but some require one or
+               the other.
 
 - SPI Support: CONFIG_SPI
 
@@ -2023,6 +2045,9 @@ Configuration Settings:
 - CONFIG_SYS_LONGHELP: Defined when you want long help messages included;
                undefine this when you're short of memory.
 
+- CONFIG_SYS_HELP_CMD_WIDTH: Defined when you want to override the default
+               width of the commands listed in the 'help' command output.
+
 - CONFIG_SYS_PROMPT:   This is what U-Boot prints on the console to
                prompt for user input.