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authorMichael Trimarchi <michael@amarulasolutions.com>2022-07-20 18:22:11 +0200
committerMichael Trimarchi <michael@amarulasolutions.com>2022-07-22 13:29:06 +0200
commit3de2cdb71e68140425315e79b1643603e8f33517 (patch)
treea0a8e80f768167a5c393eb63a1f9189a82458373 /drivers/mtd/nand/raw/nand_base.c
parent2811ed2fb0349dd55b07407b19fbcf1a85c9ac4b (diff)
downloadu-boot-3de2cdb71e68140425315e79b1643603e8f33517.tar.gz
mtd: nand: Move Toshiba specific init/detection logic in nand_toshiba.c
Upstream linux commit 9b2d61f80b060c. Move Toshiba specific initialization and detection logic into nand_toshiba.c. This is part of the "separate vendor specific code from core" cleanup process. Signed-off-by: Michael Trimarchi <michael@amarulasolutions.com> Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
Diffstat (limited to 'drivers/mtd/nand/raw/nand_base.c')
-rw-r--r--drivers/mtd/nand/raw/nand_base.c21
1 files changed, 2 insertions, 19 deletions
diff --git a/drivers/mtd/nand/raw/nand_base.c b/drivers/mtd/nand/raw/nand_base.c
index 5698c1e6a22..4ea7f10a06f 100644
--- a/drivers/mtd/nand/raw/nand_base.c
+++ b/drivers/mtd/nand/raw/nand_base.c
@@ -4163,12 +4163,11 @@ static int nand_get_bits_per_cell(u8 cellinfo)
void nand_decode_ext_id(struct nand_chip *chip)
{
struct mtd_info *mtd = &chip->mtd;
- int extid, id_len;
+ int extid;
/* The 3rd id byte holds MLC / multichip data */
chip->bits_per_cell = nand_get_bits_per_cell(chip->id.data[2]);
/* The 4th id byte is the important one */
extid = chip->id.data[3];
- id_len = chip->id.len;
/* Calc pagesize */
mtd->writesize = 1024 << (extid & 0x03);
@@ -4184,21 +4183,6 @@ void nand_decode_ext_id(struct nand_chip *chip)
/* Get buswidth information */
if (extid & 0x1)
chip->options |= NAND_BUSWIDTH_16;
-
- /*
- * Toshiba 24nm raw SLC (i.e., not BENAND) have 32B OOB per
- * 512B page. For Toshiba SLC, we decode the 5th/6th byte as
- * follows:
- * - ID byte 6, bits[2:0]: 100b -> 43nm, 101b -> 32nm,
- * 110b -> 24nm
- * - ID byte 5, bit[7]: 1 -> BENAND, 0 -> raw SLC
- */
- if (id_len >= 6 && chip->id.data[0] == NAND_MFR_TOSHIBA &&
- nand_is_slc(chip) &&
- (chip->id.data[5] & 0x7) == 0x6 /* 24nm */ &&
- !(chip->id.data[4] & 0x80) /* !BENAND */) {
- mtd->oobsize = 32 * mtd->writesize >> 9;
- }
}
EXPORT_SYMBOL_GPL(nand_decode_ext_id);
@@ -4289,8 +4273,7 @@ static void nand_decode_bbm_options(struct mtd_info *mtd,
* AMD/Spansion, and Macronix. All others scan only the first page.
*/
if ((nand_is_slc(chip) &&
- (maf_id == NAND_MFR_TOSHIBA ||
- maf_id == NAND_MFR_AMD ||
+ (maf_id == NAND_MFR_AMD ||
maf_id == NAND_MFR_MACRONIX)) ||
(mtd->writesize == 2048 && maf_id == NAND_MFR_MICRON))
chip->bbt_options |= NAND_BBT_SCAN2NDPAGE;