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-rw-r--r--README13
1 files changed, 12 insertions, 1 deletions
diff --git a/README b/README
index 6a011cb..fb6a66b 100644
--- a/README
+++ b/README
@@ -897,6 +897,17 @@ The following options need to be configured:
controls the rate of data transfer. The data rate thus
is 1 / (I2C_DELAY * 4).
+ CFG_I2C_INIT_BOARD
+
+ When a board is reset during an i2c bus transfer
+ chips might think that the current transfer is still
+ in progress. On some boards it is possible to access
+ the i2c SCLK line directly, either by using the
+ processor pin as a GPIO or by having a second pin
+ connected to the bus. If this option is defined a
+ custom i2c_init_board() routine in boards/xxx/board.c
+ is run early in the boot sequence.
+
- SPI Support: CONFIG_SPI
Enables SPI driver (so far only tested with
@@ -1043,7 +1054,7 @@ The following options need to be configured:
If CONFIG_ENV_OVERWRITE is #defined in your config
file, the write protection for vendor parameters is
- completely disabled. Anybody can change or delte
+ completely disabled. Anybody can change or delete
these parameters.
Alternatively, if you #define _both_ CONFIG_ETHADDR