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authorWolfgang Denk <wd@denx.de>2008-09-12 16:13:12 +0200
committerWolfgang Denk <wd@denx.de>2008-09-12 16:13:12 +0200
commitafbc526336447a7357e9c82852df0377d09a8089 (patch)
tree63360d749d3f02916a1239b3862c68d41d3f3d19 /README
parentb476b032562aae5a09985f7e22232a5ee7042746 (diff)
parentdeeec4991a55de243787002ede24d2331d234fc8 (diff)
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Merge branch 'Makefile-next' of git://git.denx.de/u-boot-arm
Diffstat (limited to 'README')
-rw-r--r--README56
1 files changed, 28 insertions, 28 deletions
diff --git a/README b/README
index 44b450c..5135281 100644
--- a/README
+++ b/README
@@ -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