Add support of Foresee F35SQB002G spinand flash
Signed-off-by: Mikhail Kshevetskiy <[email protected]>
---
drivers/mtd/nand/spi/foresee.c | 34 ++++++++++++++++++++++++++++++++++
1 file changed, 34 insertions(+)
diff --git a/drivers/mtd/nand/spi/foresee.c b/drivers/mtd/nand/spi/foresee.c
index 370f8494fb5..986f77426e5 100644
--- a/drivers/mtd/nand/spi/foresee.c
+++ b/drivers/mtd/nand/spi/foresee.c
@@ -13,6 +13,11 @@
#define SPINAND_MFR_FORESEE 0xCD
+#define F35SQB002G_STATUS_ECC_MASK (7 << 4)
+#define F35SQB002G_STATUS_ECC_NO_BITFLIPS (0 << 4)
+#define F35SQB002G_STATUS_ECC_1_3_BITFLIPS (1 << 4)
+#define F35SQB002G_STATUS_ECC_UNCOR_ERROR (7 << 4)
+
static SPINAND_OP_VARIANTS(read_cache_variants,
SPINAND_PAGE_READ_FROM_CACHE_1S_1S_4S_OP(0, 1, NULL, 0, 0),
SPINAND_PAGE_READ_FROM_CACHE_1S_1S_2S_OP(0, 1, NULL, 0, 0),
@@ -72,6 +77,25 @@ static int f35sqa002g_ecc_get_status(struct spinand_device
*spinand, u8 status)
return -EBADMSG;
}
+static int f35sqb002g_ecc_get_status(struct spinand_device *spinand, u8 status)
+{
+ switch (status & F35SQB002G_STATUS_ECC_MASK) {
+ case F35SQB002G_STATUS_ECC_NO_BITFLIPS:
+ return 0;
+
+ case F35SQB002G_STATUS_ECC_1_3_BITFLIPS:
+ return 3;
+
+ case F35SQB002G_STATUS_ECC_UNCOR_ERROR:
+ return -EBADMSG;
+
+ default: /* (2 << 4) through (6 << 4) are 4-8 corrected errors */
+ return ((status & F35SQB002G_STATUS_ECC_MASK) >> 4) + 2;
+ }
+
+ return -EINVAL;
+}
+
static const struct spinand_info foresee_spinand_table[] = {
SPINAND_INFO("F35SQA002G",
SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x72, 0x72),
@@ -93,6 +117,16 @@ static const struct spinand_info foresee_spinand_table[] = {
SPINAND_HAS_QE_BIT,
SPINAND_ECCINFO(&f35sqa002g_ooblayout,
f35sqa002g_ecc_get_status)),
+ SPINAND_INFO("F35SQB002G",
+ SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x52, 0x52),
+ NAND_MEMORG(1, 2048, 128, 64, 2048, 40, 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(&f35sqa002g_ooblayout,
+ f35sqb002g_ecc_get_status)),
};
static const struct spinand_manufacturer_ops foresee_spinand_manuf_ops = {
--
2.51.0
