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| author | Kyungmin Park <kmpark@infradead.org> | 2008-03-17 08:54:06 +0900 |
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2008-03-26 00:05:32 +0100 |
| commit | 1bb707c39a0833e91d9f797dd862aaaaf4af264d (patch) | |
| tree | 025e32303ffb6760c96aebbd769dac9c2a93ce46 /drivers/mtd/onenand/onenand_base.c | |
| parent | c512389cc4a10253249271ff6c887c6dab1f0db2 (diff) | |
| download | u-boot-imx-1bb707c39a0833e91d9f797dd862aaaaf4af264d.zip u-boot-imx-1bb707c39a0833e91d9f797dd862aaaaf4af264d.tar.gz u-boot-imx-1bb707c39a0833e91d9f797dd862aaaaf4af264d.tar.bz2 | |
Add Flex-OneNAND booting support
Flex-OneNAND is a monolithic integrated circuit with a NAND Flash array
using a NOR Flash interface. This on-chip integration enables system designers
to reduce external system logic and use high-density NAND Flash
in applications that would otherwise have to use more NOR components.
Flex-OneNAND enables users to configure to partition it into SLC and MLC areas
in more flexible way. While MLC area of Flex-OneNAND can be used to store data
that require low reliability and high density, SLC area of Flex-OneNAND
to store data that need high reliability and high performance. Flex-OneNAND
can let users take advantage of storing these two different types of data
into one chip, which is making Flex-OneNAND more cost- and space-effective.
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Diffstat (limited to 'drivers/mtd/onenand/onenand_base.c')
| -rw-r--r-- | drivers/mtd/onenand/onenand_base.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/mtd/onenand/onenand_base.c b/drivers/mtd/onenand/onenand_base.c index d4003a2..3b828fb 100644 --- a/drivers/mtd/onenand/onenand_base.c +++ b/drivers/mtd/onenand/onenand_base.c @@ -1180,6 +1180,12 @@ static int onenand_probe(struct mtd_info *mtd) if (maf_id != bram_maf_id || dev_id != bram_dev_id) return -ENXIO; + /* FIXME : Current OneNAND MTD doesn't support Flex-OneNAND */ + if (dev_id & (1 << 9)) { + printk("Not yet support Flex-OneNAND\n"); + return -ENXIO; + } + /* Flash device information */ onenand_print_device_info(dev_id, 0); this->device_id = dev_id; |