In the past the ONFI never worked dut to u-boot aborted when nand device id
not found in ids table. Now if not found in ids table, u-boot still continues
to detect by ONFI way.
Signed-off-by: Shengzhou Liu <shengzhou....@freescale.com>
---
drivers/mtd/nand/nand_base.c | 26 ++++++++++++++++----------
1 files changed, 16 insertions(+), 10 deletions(-)
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index 6aac6a2..017ff5d 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -2592,10 +2592,17 @@ static const struct nand_flash_dev
*nand_get_flash_type(struct mtd_info *mtd,
if (*dev_id == type->id)
break;
+ if (!type->name || !type->pagesize) {
+ /* Check if chip is ONFI compliant */
+ ret = nand_flash_detect_onfi(mtd, chip, &busw);
+ if (ret)
+ goto ident_done;
+ }
+
if (!type->name) {
/* supress warning if there is no nand */
if (*maf_id != 0x00 && *maf_id != 0xff &&
- *dev_id != 0x00 && *dev_id != 0xff)
+ *dev_id != 0x00 && *dev_id != 0xff)
printk(KERN_INFO "%s: unknown NAND device: "
"Manufacturer ID: 0x%02x, Chip ID: 0x%02x\n",
__func__, *maf_id, *dev_id);
@@ -2608,14 +2615,19 @@ static const struct nand_flash_dev
*nand_get_flash_type(struct mtd_info *mtd,
chip->chipsize = (uint64_t)type->chipsize << 20;
chip->onfi_version = 0;
- ret = nand_flash_detect_onfi(mtd, chip, &busw);
- if (!ret)
- nand_flash_detect_non_onfi(mtd, chip, type, &busw);
+ nand_flash_detect_non_onfi(mtd, chip, type, &busw);
/* Get chip options, preserve non chip based options */
chip->options &= ~NAND_CHIPOPTIONS_MSK;
chip->options |= type->options & NAND_CHIPOPTIONS_MSK;
+ /* Check if chip is a not a samsung device. Do not clear the
+ * options for chips which are not having an extended id.
+ */
+ if (*maf_id != NAND_MFR_SAMSUNG && !type->pagesize)
+ chip->options &= ~NAND_SAMSUNG_LP_OPTIONS;
+
+ident_done:
/*
* Set chip as a default. Board drivers can override it, if necessary
*/
@@ -2657,12 +2669,6 @@ static const struct nand_flash_dev
*nand_get_flash_type(struct mtd_info *mtd,
chip->badblockpos = mtd->writesize > 512 ?
NAND_LARGE_BADBLOCK_POS : NAND_SMALL_BADBLOCK_POS;
- /* Check if chip is a not a samsung device. Do not clear the
- * options for chips which are not having an extended id.
- */
- if (*maf_id != NAND_MFR_SAMSUNG && !type->pagesize)
- chip->options &= ~NAND_SAMSUNG_LP_OPTIONS;
-
/* Check for AND chips with 4 page planes */
if (chip->options & NAND_4PAGE_ARRAY)
chip->erase_cmd = multi_erase_cmd;
--
1.6.4
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