xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

mtd: OneNAND: Detect the correct NOP when 4KiB pagesize

Browse Source 
There are two different 4KiB pagesize chips
KFM4G16Q4M series have NOP 4 with version ID 0x0131
But KFM4G16Q5M has NOP 1 with versoin ID 0x013e

Note that Q5M means that it has NOP 1.

Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
This commit is contained in:
Kyungmin Park
2011-06-22 14:16:49 +09:00
committed by Artem Bityutskiy
parent b2a5a4878e
commit e1c10243df
2 changed files with 19 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
include/linux/mtd/onenand.h
View File

@@ -184,6 +184,9 @@ struct onenand_chip {
#define ONENAND_IS_CACHE_PROGRAM(this) \
(this->options & ONENAND_HAS_CACHE_PROGRAM)
#define ONENAND_IS_NOP_1(this) \
(this->options & ONENAND_HAS_NOP_1)
/* Check byte access in OneNAND */
#define ONENAND_CHECK_BYTE_ACCESS(addr) (addr & 0x1)
@@ -195,6 +198,7 @@ struct onenand_chip {
#define ONENAND_HAS_2PLANE (0x0004)
#define ONENAND_HAS_4KB_PAGE (0x0008)
#define ONENAND_HAS_CACHE_PROGRAM (0x0010)
#define ONENAND_HAS_NOP_1 (0x0020)
#define ONENAND_SKIP_UNLOCK_CHECK (0x0100)
#define ONENAND_PAGEBUF_ALLOC (0x1000)
#define ONENAND_OOBBUF_ALLOC (0x2000)