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mtd: spinand: Support new devices 

XT26G01C

Change-Id: If7147ebd12a993de86b335824d8c6e9d8ea06d52
Signed-off-by: Jon Lin <jon.lin@rock-chips.com>
This commit is contained in:
Jon Lin 2020-12-09 15:44:54 +08:00
parent 266cba03bb
commit ad6355f7d7
1 changed files with 30 additions and 0 deletions
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30
drivers/mtd/nand/spi/xtx.c
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@ -155,6 +155,27 @@ static int xt26g02b_ecc_get_status(struct spinand_device *spinand,
return -EBADMSG; return -EBADMSG;
} }
/*
* ecc bits: 0xC0[4,7]
* [0b0000], No bit errors were detected;
* [0b0001, 0b0111], 1-7 Bit errors were detected and corrected. Not
* reach Flipping Bits;
* [0b1000], 8 Bit errors were detected and corrected. Bit error count
* equals the bit flip detectionthreshold;
* [0b1111], Bit errors greater than ECC capability(8 bits) and not corrected;
* others, Reserved.
*/
static int xt26g01c_ecc_get_status(struct spinand_device *spinand,
u8 status)
{
u8 eccsr = (status & GENMASK(7, 4)) >> 4;
if (eccsr <= 8)
return eccsr;
else
return -EBADMSG;
}
static const struct spinand_info xtx_spinand_table[] = { static const struct spinand_info xtx_spinand_table[] = {
SPINAND_INFO("XT26G01A", 0xE1, SPINAND_INFO("XT26G01A", 0xE1,
NAND_MEMORG(1, 2048, 64, 64, 1024, 1, 1, 1), NAND_MEMORG(1, 2048, 64, 64, 1024, 1, 1, 1),
@ -201,6 +222,15 @@ static const struct spinand_info xtx_spinand_table[] = {
SPINAND_HAS_QE_BIT, SPINAND_HAS_QE_BIT,
SPINAND_ECCINFO(&xt26g02b_ooblayout, SPINAND_ECCINFO(&xt26g02b_ooblayout,
xt26g02b_ecc_get_status)), xt26g02b_ecc_get_status)),
SPINAND_INFO("XT26G01C", 0x11,
NAND_MEMORG(1, 2048, 64, 64, 1024, 1, 1, 1),
NAND_ECCREQ(8, 512),
SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
&write_cache_variants,
&update_cache_variants),
SPINAND_HAS_QE_BIT,
SPINAND_ECCINFO(&xt26g01b_ooblayout,
xt26g01c_ecc_get_status)),
}; };
static int xtx_spinand_detect(struct spinand_device *spinand) static int xtx_spinand_detect(struct spinand_device *spinand)