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| author | Boris Brezillon <boris.brezillon@free-electrons.com> | 2017-11-22 02:38:21 +0900 |
|---|---|---|
| committer | Masahiro Yamada <yamada.masahiro@socionext.com> | 2017-11-29 00:28:58 +0900 |
| commit | 6f84b26b53afa207092a8906fa08f4c78d65afb6 (patch) | |
| tree | f893f6e765b0bd895f86764fa61450d0e2d45eab /include/linux/mtd/nand.h | |
| parent | 3d841b3214565640ada80baa0f73885cddd216be (diff) | |
| download | u-boot-6f84b26b53afa207092a8906fa08f4c78d65afb6.zip u-boot-6f84b26b53afa207092a8906fa08f4c78d65afb6.tar.gz u-boot-6f84b26b53afa207092a8906fa08f4c78d65afb6.tar.bz2 | |
mtd: nand: Add a few more timings to nand_sdr_timings
Add the tR_max, tBERS_max, tPROG_max and tCCS_min timings to the
nand_sdr_timings struct.
Assign default/safe values for the statically defined timings, and
extract them from the ONFI parameter table if the NAND is ONFI
compliant.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Tested-by: Marc Gonzalez <marc_gonzalez@sigmadesigns.com>
[Linux commit: 204e7ecd47e26cc12d9e8e8a7e7a2eeb9573f0ba
Fixup commit: 6d29231000bbe0fb9e4893a9c68151ffdd3b5469]
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Diffstat (limited to 'include/linux/mtd/nand.h')
| -rw-r--r-- | include/linux/mtd/nand.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h index 8cff83b..8b76275 100644 --- a/include/linux/mtd/nand.h +++ b/include/linux/mtd/nand.h @@ -595,6 +595,10 @@ struct nand_buffers { * * All these timings are expressed in picoseconds. * + * @tBERS_max: Block erase time + * @tCCS_min: Change column setup time + * @tPROG_max: Page program time + * @tR_max: Page read time * @tALH_min: ALE hold time * @tADL_min: ALE to data loading time * @tALS_min: ALE setup time @@ -632,6 +636,10 @@ struct nand_buffers { * @tWW_min: WP# transition to WE# low */ struct nand_sdr_timings { + u64 tBERS_max; + u32 tCCS_min; + u64 tPROG_max; + u64 tR_max; u32 tALH_min; u32 tADL_min; u32 tALS_min; |