@@ -52,6 +52,9 @@ struct nand_flash_dev nand_flash_ids[] = {
{ .id = {0xad, 0xde, 0x94, 0xda, 0x74, 0xc4} },
SZ_8K, SZ_8K, SZ_2M, NAND_NEED_SCRAMBLING, 6, 640,
NAND_ECC_INFO(40, SZ_1K), 4 },
+ {"TH58NVG2S3HBAI4 4G 3.3V 8-bit",
+ { .id = {0x98, 0xdc, 0x91, 0x15, 0x76} },
+ SZ_2K, SZ_512, SZ_128K, 0, 5, 128, NAND_ECC_INFO(8, SZ_512) },
LEGACY_ID_NAND("NAND 4MiB 5V 8-bit", 0x6B, 4, SZ_8K, SP_OPTIONS),
LEGACY_ID_NAND("NAND 4MiB 3,3V 8-bit", 0xE3, 4, SZ_8K, SP_OPTIONS),
@@ -194,6 +194,42 @@ static void toshiba_nand_decode_id(struct nand_chip *chip)
}
}
+static int th58nvg2s3hbai4_choose_data_interface(struct nand_chip *chip)
+{
+ int ret;
+ struct nand_sdr_timings *timings = &chip->data_interface.timings.sdr;
+
+ /* Start with timings from the closest timing mode, mode 4. */
+ ret = onfi_fill_data_interface(chip, NAND_SDR_IFACE, 4);
+ if (ret)
+ return ret;
+
+ /* Patch timings that differ from mode 4. */
+ timings->tALS_min = 12000;
+ timings->tCHZ_max = 20000;
+ timings->tCLS_min = 12000;
+ timings->tCOH_min = 0;
+ timings->tDS_min = 12000;
+ timings->tRHOH_min = 25000;
+ timings->tRHW_min = 30000;
+ timings->tRHZ_max = 60000;
+ timings->tWHR_min = 60000;
+
+ /* Patch timings not part of onfi timing mode. */
+ timings->tPROG_max = 700000000;
+ timings->tBERS_max = 5000000000;
+
+ /*
+ * Find the corresponding onfi timing mode that is safe to use. This
+ * will only be used if the controller does not handle the specific
+ * timings that were provided.
+ */
+ chip->data_interface.timings.mode =
+ onfi_find_equivalent_sdr_mode(timings);
+
+ return ret;
+}
+
static int tc58teg5dclta00_init(struct nand_chip *chip)
{
struct mtd_info *mtd = nand_to_mtd(chip);
@@ -205,6 +241,12 @@ static int tc58teg5dclta00_init(struct nand_chip *chip)
return 0;
}
+static int th58nvg2s3hbai4_init(struct nand_chip *chip)
+{
+ chip->ops.choose_data_interface = th58nvg2s3hbai4_choose_data_interface;
+ return 0;
+}
+
static int toshiba_nand_init(struct nand_chip *chip)
{
if (nand_is_slc(chip))
@@ -217,6 +259,8 @@ static int toshiba_nand_init(struct nand_chip *chip)
if (!strcmp("TC58TEG5DCLTA00", chip->parameters.model))
tc58teg5dclta00_init(chip);
+ if (!strncmp("TH58NVG2S3HBAI4", chip->parameters.model, 15))
+ th58nvg2s3hbai4_init(chip);
return 0;
}