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| author | Guennadi Liakhovetski <lg@denx.de> | 2008-09-04 13:01:49 +0200 |
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2008-09-09 10:39:55 +0200 |
| commit | 5608692104efa8d56df803dc79ea41ac3607eee5 (patch) | |
| tree | 30e525f6b744e89f7b9e8a9c4555abd73acb9bbf /tools/env/README | |
| parent | dd794323a2a1ed6a8a5df51785c31bcde60ad7ca (diff) | |
| download | u-boot-imx-5608692104efa8d56df803dc79ea41ac3607eee5.zip u-boot-imx-5608692104efa8d56df803dc79ea41ac3607eee5.tar.gz u-boot-imx-5608692104efa8d56df803dc79ea41ac3607eee5.tar.bz2 | |
fw_env: add NAND support
Add support for environment in NAND with automatic NOR / NAND recognition,
including unaligned environment, bad-block skipping, redundant environment
copy.
Signed-off-by: Guennadi Liakhovetski <lg@denx.de>
Diffstat (limited to 'tools/env/README')
| -rw-r--r-- | tools/env/README | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/tools/env/README b/tools/env/README index f8a644e..91e679a 100644 --- a/tools/env/README +++ b/tools/env/README @@ -22,9 +22,11 @@ following lines are relevant: #define DEVICE1_OFFSET 0x0000 #define ENV1_SIZE 0x4000 #define DEVICE1_ESIZE 0x4000 +#define DEVICE1_ENVSECTORS 2 #define DEVICE2_OFFSET 0x0000 #define ENV2_SIZE 0x4000 #define DEVICE2_ESIZE 0x4000 +#define DEVICE2_ENVSECTORS 2 Current configuration matches the environment layout of the TRAB board. @@ -46,3 +48,7 @@ then 1 sector. DEVICEx_ESIZE defines the size of the first sector in the flash partition where the environment resides. + +DEVICEx_ENVSECTORS defines the number of sectors that may be used for +this environment instance. On NAND this is used to limit the range +within which bad blocks are skipped, on NOR it is not used. |