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authorHeiko Schocher <hs@denx.de>2010-01-07 08:55:40 +0100
committerWolfgang Denk <wd@denx.de>2010-01-18 00:42:37 +0100
commit548738b4d43af841ff58c787bce297ac6a8bf7d1 (patch)
tree2d703671e76278a06143bc68e0436ae59e642552 /README
parentb63815e31355b44e65899b361da1d8ef6940ab90 (diff)
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cmd_eeprom: I2C updates
- 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 now define, how to reach this EEPROM. Signed-off-by: Heiko Schocher <hs@denx.de>
Diffstat (limited to 'README')
-rw-r--r--README13
1 files changed, 13 insertions, 0 deletions
diff --git a/README b/README
index 22e35c3..7affe10 100644
--- a/README
+++ b/README
@@ -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: