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-rw-r--r--README36
1 files changed, 18 insertions, 18 deletions
diff --git a/README b/README
index 8224128886d..8b2b1af2fc0 100644
--- 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