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authorBoris Brezillon2017-11-22 02:38:21 +0900
committerMasahiro Yamada2017-11-29 00:28:58 +0900
commit6f84b26b53afa207092a8906fa08f4c78d65afb6 (patch)
treef893f6e765b0bd895f86764fa61450d0e2d45eab /include/linux/mtd
parent3d841b3214565640ada80baa0f73885cddd216be (diff)
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')
-rw-r--r--include/linux/mtd/nand.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h
index 8cff83b1765..8b762755378 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;