From e443c944cf4050daffb46d4788446d6c2df8ac6c Mon Sep 17 00:00:00 2001 From: Markus Klotzbuecher Date: Mon, 20 Mar 2006 18:02:44 +0100 Subject: Support for redundant environment in NAND Flash. --- README | 11 +++++++++++ 1 file changed, 11 insertions(+) (limited to 'README') diff --git a/README b/README index 6f61008222..44421497be 100644 --- a/README +++ b/README @@ -1946,6 +1946,17 @@ to save the current settings. These two #defines specify the offset and size of the environment area within the first NAND device. + - CFG_ENV_OFFSET_REDUND + + This setting describes a second storage area of CFG_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 + the NAND devices block size. + - CFG_SPI_INIT_OFFSET Defines offset to the initial SPI buffer area in DPRAM. The -- cgit v1.2.3