diff options
author | Simon Glass | 2017-07-23 21:19:43 -0600 |
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committer | Tom Rini | 2017-07-25 21:22:56 -0400 |
commit | f0bc2b542beef7636ea4e846fa75cd88d88c82cf (patch) | |
tree | 778754971fbf18e9dde88379f2663c69469c0424 /README | |
parent | 88b233a347378dc51113e9ef7ffe62723c9b7758 (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-- | README | 60 |
1 files changed, 0 insertions, 60 deletions
@@ -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 |