|
|
|
@ -1997,8 +1997,11 @@ Configuration Settings: |
|
|
|
|
- CFG_BOOTMAPSZ: |
|
|
|
|
Maximum size of memory mapped by the startup code of |
|
|
|
|
the Linux kernel; all data that must be processed by |
|
|
|
|
the Linux kernel (bd_info, boot arguments, eventually |
|
|
|
|
initrd image) must be put below this limit. |
|
|
|
|
the Linux kernel (bd_info, boot arguments, FDT blob if |
|
|
|
|
used) must be put below this limit, unless "bootm_low" |
|
|
|
|
enviroment variable is defined and non-zero. In such case |
|
|
|
|
all data for the Linux kernel must be between "bootm_low" |
|
|
|
|
and "bootm_low" + CFG_BOOTMAPSZ. |
|
|
|
|
|
|
|
|
|
- CFG_MAX_FLASH_BANKS: |
|
|
|
|
Max number of Flash memory banks |
|
|
|
@ -2743,6 +2746,20 @@ Some configuration options can be set using Environment Variables: |
|
|
|
|
|
|
|
|
|
bootfile - Name of the image to load with TFTP |
|
|
|
|
|
|
|
|
|
bootm_low - Memory range available for image processing in the bootm |
|
|
|
|
command can be restricted. This variable is given as |
|
|
|
|
a hexadecimal number and defines lowest address allowed |
|
|
|
|
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 descripton of CFG_BOOTMAPSZ. |
|
|
|
|
|
|
|
|
|
bootm_size - Memory range available for image processing in the bootm |
|
|
|
|
command can be restricted. This variable is given as |
|
|
|
|
a hexadecimal number and defines the size of the region |
|
|
|
|
allowed for use by the bootm command. See also "bootm_low" |
|
|
|
|
environment variable. |
|
|
|
|
|
|
|
|
|
autoload - if set to "no" (any string beginning with 'n'), |
|
|
|
|
"bootp" will just load perform a lookup of the |
|
|
|
|
configuration from the BOOTP server, but not try to |
|
|
|
|