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| author | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2013-09-04 11:50:25 +0200 |
|---|---|---|
| committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2013-09-04 11:50:25 +0200 |
| commit | 4eef93da262048eb1118e726b3ec5b8ebd3c6c91 (patch) | |
| tree | 8a28287e405742086f6df380ee558265d17cf3f6 /doc | |
| parent | 31043e20ae748635f142483e8b7b645948687055 (diff) | |
| parent | bc6958988726977b4089da1b13f6467e8e28efd2 (diff) | |
| download | u-boot-imx-4eef93da262048eb1118e726b3ec5b8ebd3c6c91.zip u-boot-imx-4eef93da262048eb1118e726b3ec5b8ebd3c6c91.tar.gz u-boot-imx-4eef93da262048eb1118e726b3ec5b8ebd3c6c91.tar.bz2 | |
Merge branch 'u-boot-atmel/master' into 'u-boot-arm/master'
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/README.atmel_pmecc | 14 |
1 files changed, 0 insertions, 14 deletions
diff --git a/doc/README.atmel_pmecc b/doc/README.atmel_pmecc index b483744..41f3bd7 100644 --- a/doc/README.atmel_pmecc +++ b/doc/README.atmel_pmecc @@ -19,17 +19,6 @@ To use PMECC in this driver, the user needs to set: It can be 2, 4, 8, 12 or 24. 2. The PMECC sector size: CONFIG_PMECC_SECTOR_SIZE. It only can be 512 or 1024. - 3. The PMECC index lookup table's offsets in ROM code: CONFIG_PMECC_INDEX_TABLE_OFFSET. - In the chip datasheet section "Boot Stragegies", you can find - two Galois Field Table in the ROM code. One table is for 512-bytes - sector. Another is for 1024-byte sector. Each Galois Field includes - two sub-table: indext table & alpha table. - In the beginning of each Galois Field Table is the index table, - Alpha table is in the following. - So the index table's offset is same as the Galois Field Table. - - Please set CONFIG_PMECC_INDEX_TABLE_OFFSET correctly according the - Galois Field Table's offset base on the sector size you used. Take AT91SAM9X5EK as an example, the board definition file likes: @@ -38,7 +27,4 @@ Take AT91SAM9X5EK as an example, the board definition file likes: #define CONFIG_ATMEL_NAND_HW_PMECC 1 #define CONFIG_PMECC_CAP 2 #define CONFIG_PMECC_SECTOR_SIZE 512 -#define CONFIG_PMECC_INDEX_TABLE_OFFSET 0x8000 -NOTE: If you use 1024 as the sector size, then need set 0x10000 as the - CONFIG_PMECC_INDEX_TABLE_OFFSET |