* Add support for IceCube board (with MGT5100 and MPC5200 CPUs)

[pandora-u-boot.git] / README

diff --git a/README b/README
index 8224128..8b2b1af 100644 (file)
--- a/README
+++ b/README
@@ -206,7 +206,7 @@ Directory Hierarchy:
 - board/mvs1   Files specific to MVS1       boards
 - board/nx823   Files specific to NX823      boards
 - board/oxc    Files specific to OXC        boards
-- board/omap1510inn  
+- board/omap1510inn
                Files specific to OMAP 1510 Innovator boards
 - board/pcippc2        Files specific to PCIPPC2/PCIPPC6 boards
 - board/pm826  Files specific to PM826      boards
@@ -913,35 +913,35 @@ The following options need to be configured:
 - I2C Support: CONFIG_HARD_I2C | CONFIG_SOFT_I2C
 
                These enable I2C serial bus commands. Defining either of
-               (but not both of) CONFIG_HARD_I2C or CONFIG_SOFT_I2C will 
-               include the appropriate I2C driver for the selected cpu. 
+               (but not both of) CONFIG_HARD_I2C or CONFIG_SOFT_I2C will
+               include the appropriate I2C driver for the selected cpu.
 
-               This will allow you to use i2c commands at the u-boot 
-               command line (as long as you set CFG_CMD_I2C in 
+               This will allow you to use i2c commands at the u-boot
+               command line (as long as you set CFG_CMD_I2C in
                CONFIG_COMMANDS) and communicate with i2c based realtime
                clock chips. See common/cmd_i2c.c for a description of the
                command line interface.
 
-               CONFIG_HARD_I2C selects the CPM hardware driver for I2C. 
+               CONFIG_HARD_I2C selects the CPM hardware driver for I2C.
 
-               CONFIG_SOFT_I2C configures u-boot to use a software (aka 
+               CONFIG_SOFT_I2C configures u-boot to use a software (aka
                bit-banging) driver instead of CPM or similar hardware
                support for I2C.
 
-               There are several other quantities that must also be 
+               There are several other quantities that must also be
                defined when you define CONFIG_HARD_I2C or CONFIG_SOFT_I2C.
 
                In both cases you will need to define CFG_I2C_SPEED
-               to be the frequency (in Hz) at which you wish your i2c bus 
-               to run and CFG_I2C_SLAVE to be the address of this node (ie 
-               the cpu's i2c node address). 
-               
+               to be the frequency (in Hz) at which you wish your i2c bus
+               to run and CFG_I2C_SLAVE to be the address of this node (ie
+               the cpu's i2c node address).
+
                Now, the u-boot i2c code for the mpc8xx (cpu/mpc8xx/i2c.c)
                sets the cpu up as a master node and so its address should
                therefore be cleared to 0 (See, eg, MPC823e User's Manual
-               p.16-473). So, set CFG_I2C_SLAVE to 0.  
+               p.16-473). So, set CFG_I2C_SLAVE to 0.
 
-               That's all that's required for CONFIG_HARD_I2C. 
+               That's all that's required for CONFIG_HARD_I2C.
 
                If you use the software i2c interface (CONFIG_SOFT_I2C)
                then the following macros need to be defined (examples are
@@ -999,15 +999,15 @@ The following options need to be configured:
 
                eg: #define I2C_SCL(bit) \
                         if(bit) immr->im_cpm.cp_pbdat |=  PB_SCL; \
-                        else    immr->im_cpm.cp_pbdat &= ~PB_SCL 
+                        else    immr->im_cpm.cp_pbdat &= ~PB_SCL
 
                I2C_DELAY
 
                This delay is invoked four times per clock cycle so this
                controls the rate of data transfer.  The data rate thus
                is 1 / (I2C_DELAY * 4). Often defined to be something
-               like: 
-               
+               like:
+
                #define I2C_DELAY  udelay(2)
 
                CFG_I2C_INIT_BOARD
@@ -1862,7 +1862,7 @@ configurations; the following names are supported:
     GENIETV_config       TQM823L_config        PIP405_config
     GEN860T_config       EBONY_config          FPS860L_config
     ELPT860_config       cmi_mpc5xx_config     NETVIA_config
-    at91rm9200dk_config          omap1510inn_config    
+    at91rm9200dk_config          omap1510inn_config
 
 Note: for some board special configuration names may exist; check  if
       additional  information is available from the board vendor; for