Signed-off-by: Bartlomiej Sieka <[EMAIL PROTECTED]>
---
Kumar, this patch pertains to your commit "[new uImage] Provide ability to
restrict region used for boot images", id d3f2fa0d -- could you review
and confirm that the documentation is OK? Thanks.
README | 19 ++++++++++++++++++-
1 files changed, 18 insertions(+), 1 deletions(-)
diff --git a/README b/README
index 5d059e7..a0dfe73 100644
--- a/README
+++ b/README
@@ -1995,7 +1995,10 @@ Configuration Settings:
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.
+ initrd image) 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
@@ -2733,6 +2736,20 @@ 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
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