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authorWu, Josh <Josh.wu@atmel.com>2014-06-24 17:31:03 +0800
committerTom Rini <trini@ti.com>2014-07-07 19:42:33 -0400
commitd1db76f1494492fc1c13e3bfe036c6dfb942e8be (patch)
tree822866b3038ce9aead66326a49c5d95b05b19055 /README
parente9c16a8012399a41e8a0acf86828255f9a779e88 (diff)
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README: document the CONFIG_ENV_IS_IN_FAT option
In README file, add document for the missing configuration option: CONFIG_ENV_IS_IN_FAT. Signed-off-by: Josh Wu <josh.wu@atmel.com> Reviewed-by: Stephen Warren <swarren@nvidia.com>
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@@ -4156,6 +4156,37 @@ but it can not erase, write this NOR flash by SRIO or PCIE interface.
You will probably want to define these to avoid a really noisy system
when storing the env in UBI.
+- CONFIG_ENV_IS_IN_FAT:
+ Define this if you want to use the FAT file system for the environment.
+
+ - FAT_ENV_INTERFACE:
+
+ Define this to a string that is the name of the block device.
+
+ - FAT_ENV_DEV_AND_PART:
+
+ Define this to a string to specify the partition of the device. It can
+ be as following:
+
+ "D:P", "D:0", "D", "D:" or "D:auto" (D, P are integers. And P >= 1)
+ - "D:P": device D partition P. Error occurs if device D has no
+ partition table.
+ - "D:0": device D.
+ - "D" or "D:": device D partition 1 if device D has partition
+ table, or the whole device D if has no partition
+ table.
+ - "D:auto": first partition in device D with bootable flag set.
+ If none, first valid paratition in device D. If no
+ partition table then means device D.
+
+ - FAT_ENV_FILE:
+
+ It's a string of the FAT file name. This file use to store the
+ envrionment.
+
+ - CONFIG_FAT_WRITE:
+ This should be defined. Otherwise it cannot save the envrionment file.
+
- CONFIG_ENV_IS_IN_MMC:
Define this if you have an MMC device which you want to use for the