SPEAr : Adding basic SPEAr architecture support.

[oweals/u-boot.git] / README

diff --git a/README b/README
index fe6ca98d82b3fd9209edf67442cbd117d7218639..7affe10fb2a781686b64b537c62e66ab69e50e77 100644 (file)
--- a/README
+++ b/README
@@ -777,7 +777,7 @@ The following options need to be configured:
                CONFIG_LBA48
 
                Set this to enable support for disks larger than 137GB
-               Also look at CONFIG_SYS_64BIT_LBA ,CONFIG_SYS_64BIT_VSPRINTF and CONFIG_SYS_64BIT_STRTOUL
+               Also look at CONFIG_SYS_64BIT_LBA.
                Whithout these , LBA48 support uses 32bit variables and will 'only'
                support disks up to 2.1TB.
 
@@ -2447,6 +2447,19 @@ to save the current settings.
        - CONFIG_SYS_EEPROM_SIZE:
          The size in bytes of the EEPROM device.
 
+       - CONFIG_ENV_EEPROM_IS_ON_I2C
+         define this, if you have I2C and SPI activated, and your
+         EEPROM, which holds the environment, is on the I2C bus.
+
+       - CONFIG_I2C_ENV_EEPROM_BUS
+         if you have an Environment on an EEPROM reached over
+         I2C muxes, you can define here, how to reach this
+         EEPROM. For example:
+
+         #define CONFIG_I2C_ENV_EEPROM_BUS       "pca9547:70:d\0"
+
+         EEPROM which holds the environment, is reached over
+         a pca9547 i2c mux with address 0x70, channel 3.
 
 - CONFIG_ENV_IS_IN_DATAFLASH:
 
@@ -2524,13 +2537,6 @@ use the "saveenv" command to store a valid environment.
 - CONFIG_SYS_FAULT_MII_ADDR:
                MII address of the PHY to check for the Ethernet link state.
 
-- CONFIG_SYS_64BIT_VSPRINTF:
-               Makes vsprintf (and all *printf functions) support printing
-               of 64bit values by using the L quantifier
-
-- CONFIG_SYS_64BIT_STRTOUL:
-               Adds simple_strtoull that returns a 64bit value
-
 - CONFIG_NS16550_MIN_FUNCTIONS:
                Define this if you desire to only have use of the NS16550_init
                and NS16550_putc functions for the serial driver located at