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Diffstat (limited to 'doc/usage/environment.rst')
-rw-r--r-- | doc/usage/environment.rst | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/doc/usage/environment.rst b/doc/usage/environment.rst index 15897f63dd9..2c44e5da6aa 100644 --- a/doc/usage/environment.rst +++ b/doc/usage/environment.rst @@ -89,7 +89,7 @@ Old-style C environment Traditionally, the default environment is created in `include/env_default.h`, and can be augmented by various `CONFIG` defines. See that file for details. In -particular you can define `CONFIG_EXTRA_ENV_SETTINGS` in your board file +particular you can define `CFG_EXTRA_ENV_SETTINGS` in your board file to add environment variables. Board maintainers are encouraged to migrate to the text-based environment as it @@ -162,7 +162,7 @@ bootm_low for use by the bootm command. See also "bootm_size" environment variable. Address defined by "bootm_low" is also the base of the initial memory mapping for the Linux - kernel -- see the description of CONFIG_SYS_BOOTMAPSZ and + kernel -- see the description of CFG_SYS_BOOTMAPSZ and bootm_mapsize. bootm_mapsize @@ -170,7 +170,7 @@ bootm_mapsize This variable is given as a hexadecimal number and it defines the size of the memory region starting at base address bootm_low that is accessible by the Linux kernel - during early boot. If unset, CONFIG_SYS_BOOTMAPSZ is used + during early boot. If unset, CFG_SYS_BOOTMAPSZ is used as the default value if it is defined, and bootm_size is used otherwise. @@ -228,7 +228,7 @@ initrd_high is usually what you want since it allows for maximum initrd size. If for some reason you want to make sure that the initrd image is loaded below the - CONFIG_SYS_BOOTMAPSZ limit, you can set this environment + CFG_SYS_BOOTMAPSZ limit, you can set this environment variable to a value of "no" or "off" or "0". Alternatively, you can set it to a maximum upper address to use (U-Boot will still check that it |