|
@@ -2104,7 +2104,7 @@ The following definitions that deal with the placement and management
|
|
|
of environment data (variable area); in general, we support the
|
|
|
following configurations:
|
|
|
|
|
|
-- CFG_ENV_IS_IN_FLASH:
|
|
|
+- CONFIG_ENV_IS_IN_FLASH:
|
|
|
|
|
|
Define this if the environment is in flash memory.
|
|
|
|
|
@@ -2120,22 +2120,22 @@ following configurations:
|
|
|
environment in one of the last sectors, leaving a gap
|
|
|
between U-Boot and the environment.
|
|
|
|
|
|
- - CFG_ENV_OFFSET:
|
|
|
+ - CONFIG_ENV_OFFSET:
|
|
|
|
|
|
Offset of environment data (variable area) to the
|
|
|
beginning of flash memory; for instance, with bottom boot
|
|
|
type flash chips the second sector can be used: the offset
|
|
|
for this sector is given here.
|
|
|
|
|
|
- CFG_ENV_OFFSET is used relative to CFG_FLASH_BASE.
|
|
|
+ CONFIG_ENV_OFFSET is used relative to CFG_FLASH_BASE.
|
|
|
|
|
|
- - CFG_ENV_ADDR:
|
|
|
+ - CONFIG_ENV_ADDR:
|
|
|
|
|
|
This is just another way to specify the start address of
|
|
|
the flash sector containing the environment (instead of
|
|
|
- CFG_ENV_OFFSET).
|
|
|
+ CONFIG_ENV_OFFSET).
|
|
|
|
|
|
- - CFG_ENV_SECT_SIZE:
|
|
|
+ - CONFIG_ENV_SECT_SIZE:
|
|
|
|
|
|
Size of the sector containing the environment.
|
|
|
|
|
@@ -2144,10 +2144,10 @@ following configurations:
|
|
|
In such a case you don't want to spend a whole sector for
|
|
|
the environment.
|
|
|
|
|
|
- - CFG_ENV_SIZE:
|
|
|
+ - CONFIG_ENV_SIZE:
|
|
|
|
|
|
- If you use this in combination with CFG_ENV_IS_IN_FLASH
|
|
|
- and CFG_ENV_SECT_SIZE, you can specify to use only a part
|
|
|
+ If you use this in combination with CONFIG_ENV_IS_IN_FLASH
|
|
|
+ and CONFIG_ENV_SECT_SIZE, you can specify to use only a part
|
|
|
of this flash sector for the environment. This saves
|
|
|
memory for the RAM copy of the environment.
|
|
|
|
|
@@ -2161,8 +2161,8 @@ following configurations:
|
|
|
wrong before the contents has been restored from a copy in
|
|
|
RAM, your target system will be dead.
|
|
|
|
|
|
- - CFG_ENV_ADDR_REDUND
|
|
|
- CFG_ENV_SIZE_REDUND
|
|
|
+ - CONFIG_ENV_ADDR_REDUND
|
|
|
+ CONFIG_ENV_SIZE_REDUND
|
|
|
|
|
|
These settings describe a second storage area used to hold
|
|
|
a redundant copy of the environment data, so that there is
|
|
@@ -2174,14 +2174,14 @@ source code will make it necessary to adapt <board>/u-boot.lds*
|
|
|
accordingly!
|
|
|
|
|
|
|
|
|
-- CFG_ENV_IS_IN_NVRAM:
|
|
|
+- CONFIG_ENV_IS_IN_NVRAM:
|
|
|
|
|
|
Define this if you have some non-volatile memory device
|
|
|
(NVRAM, battery buffered SRAM) which you want to use for the
|
|
|
environment.
|
|
|
|
|
|
- - CFG_ENV_ADDR:
|
|
|
- - CFG_ENV_SIZE:
|
|
|
+ - CONFIG_ENV_ADDR:
|
|
|
+ - CONFIG_ENV_SIZE:
|
|
|
|
|
|
These two #defines are used to determine the memory area you
|
|
|
want to use for environment. It is assumed that this memory
|
|
@@ -2199,13 +2199,13 @@ keep settings there always unmodified except somebody uses "saveenv"
|
|
|
to save the current settings.
|
|
|
|
|
|
|
|
|
-- CFG_ENV_IS_IN_EEPROM:
|
|
|
+- CONFIG_ENV_IS_IN_EEPROM:
|
|
|
|
|
|
Use this if you have an EEPROM or similar serial access
|
|
|
device and a driver for it.
|
|
|
|
|
|
- - CFG_ENV_OFFSET:
|
|
|
- - CFG_ENV_SIZE:
|
|
|
+ - 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.
|
|
@@ -2242,39 +2242,39 @@ to save the current settings.
|
|
|
The size in bytes of the EEPROM device.
|
|
|
|
|
|
|
|
|
-- CFG_ENV_IS_IN_DATAFLASH:
|
|
|
+- CONFIG_ENV_IS_IN_DATAFLASH:
|
|
|
|
|
|
Define this if you have a DataFlash memory device which you
|
|
|
want to use for the environment.
|
|
|
|
|
|
- - CFG_ENV_OFFSET:
|
|
|
- - CFG_ENV_ADDR:
|
|
|
- - CFG_ENV_SIZE:
|
|
|
+ - CONFIG_ENV_OFFSET:
|
|
|
+ - CONFIG_ENV_ADDR:
|
|
|
+ - CONFIG_ENV_SIZE:
|
|
|
|
|
|
These three #defines specify the offset and size of the
|
|
|
environment area within the total memory of your DataFlash placed
|
|
|
at the specified address.
|
|
|
|
|
|
-- CFG_ENV_IS_IN_NAND:
|
|
|
+- CONFIG_ENV_IS_IN_NAND:
|
|
|
|
|
|
Define this if you have a NAND device which you want to use
|
|
|
for the environment.
|
|
|
|
|
|
- - CFG_ENV_OFFSET:
|
|
|
- - CFG_ENV_SIZE:
|
|
|
+ - CONFIG_ENV_OFFSET:
|
|
|
+ - CONFIG_ENV_SIZE:
|
|
|
|
|
|
These two #defines specify the offset and size of the environment
|
|
|
area within the first NAND device.
|
|
|
|
|
|
- - CFG_ENV_OFFSET_REDUND
|
|
|
+ - CONFIG_ENV_OFFSET_REDUND
|
|
|
|
|
|
- This setting describes a second storage area of CFG_ENV_SIZE
|
|
|
+ This setting describes a second storage area of CONFIG_ENV_SIZE
|
|
|
size used to hold a redundant copy of the environment data,
|
|
|
so that there is a valid backup copy in case there is a
|
|
|
power failure during a "saveenv" operation.
|
|
|
|
|
|
- Note: CFG_ENV_OFFSET and CFG_ENV_OFFSET_REDUND must be aligned
|
|
|
- to a block boundary, and CFG_ENV_SIZE must be a multiple of
|
|
|
+ Note: CONFIG_ENV_OFFSET and CONFIG_ENV_OFFSET_REDUND must be aligned
|
|
|
+ to a block boundary, and CONFIG_ENV_SIZE must be a multiple of
|
|
|
the NAND devices block size.
|
|
|
|
|
|
- CFG_SPI_INIT_OFFSET
|