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authorSimon Glass <sjg@chromium.org>2017-07-23 21:19:43 -0600
committerTom Rini <trini@konsulko.com>2017-07-25 21:22:56 -0400
commitf0bc2b542beef7636ea4e846fa75cd88d88c82cf (patch)
tree778754971fbf18e9dde88379f2663c69469c0424 /README
parent88b233a347378dc51113e9ef7ffe62723c9b7758 (diff)
Convert CONFIG_ENV_IS_IN_EEPROM to Kconfig
This converts the following to Kconfig: CONFIG_ENV_IS_IN_EEPROM Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'README')
-rw-r--r--README60
1 files changed, 0 insertions, 60 deletions
diff --git a/README b/README
index f37765e51c..01bdd3425f 100644
--- a/README
+++ b/README
@@ -3422,66 +3422,6 @@ environment in RAM: we could work on NVRAM directly, but we want to
keep settings there always unmodified except somebody uses "saveenv"
to save the current settings.
-
-- CONFIG_ENV_IS_IN_EEPROM:
-
- Use this if you have an EEPROM or similar serial access
- device and a driver for it.
-
- - CONFIG_ENV_OFFSET:
- - CONFIG_ENV_SIZE:
-
- These two #defines specify the offset and size of the
- environment area within the total memory of your EEPROM.
-
- - CONFIG_SYS_I2C_EEPROM_ADDR:
- If defined, specified the chip address of the EEPROM device.
- The default address is zero.
-
- - CONFIG_SYS_I2C_EEPROM_BUS:
- If defined, specified the i2c bus of the EEPROM device.
-
- - CONFIG_SYS_EEPROM_PAGE_WRITE_BITS:
- If defined, the number of bits used to address bytes in a
- single page in the EEPROM device. A 64 byte page, for example
- would require six bits.
-
- - CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS:
- If defined, the number of milliseconds to delay between
- page writes. The default is zero milliseconds.
-
- - CONFIG_SYS_I2C_EEPROM_ADDR_LEN:
- The length in bytes of the EEPROM memory array address. Note
- that this is NOT the chip address length!
-
- - CONFIG_SYS_I2C_EEPROM_ADDR_OVERFLOW:
- EEPROM chips that implement "address overflow" are ones
- like Catalyst 24WC04/08/16 which has 9/10/11 bits of
- address and the extra bits end up in the "chip address" bit
- slots. This makes a 24WC08 (1Kbyte) chip look like four 256
- byte chips.
-
- Note that we consider the length of the address field to
- still be one byte because the extra address bits are hidden
- in the chip address.
-
- - 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 1
-
- EEPROM which holds the environment, is reached over
- a pca9547 i2c mux with address 0x70, channel 3.
-
- CONFIG_ENV_IS_IN_DATAFLASH:
Define this if you have a DataFlash memory device which you