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From: "Ho-Kuo Chan" <hchan@wavesat.com>
To: <linux-mtd@lists.infradead.org>
Subject: Trouble indetifying FLASH part
Date: Wed, 15 May 2002 16:50:17 -0400
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Hi,
    I have a PPC405GP based board with a single AMD compatible Toshiba
TC58FVB321FT 4MB flash in word mode. The chip is physically mapped to
address 0x8000000 and according to the Data Sheet, is CFI compatible. I
believe I have properly configured the kernel but I can't seem to get my
chip identified. Am I missing sonething? Any help is greatly appreciated!!

This is my config:

# Memory Technology Devices (MTD)
#
CONFIG_MTD=y
CONFIG_MTD_DEBUG=y
CONFIG_MTD_DEBUG_VERBOSE=3
# CONFIG_MTD_PARTITIONS is not set
# CONFIG_MTD_REDBOOT_PARTS is not set
CONFIG_MTD_CHAR=y
# CONFIG_MTD_BLOCK is not set
# CONFIG_MTD_BLOCK_RO is not set
CONFIG_FTL=y
# CONFIG_NFTL is not set

#
# RAM/ROM/Flash chip drivers
#
CONFIG_MTD_CFI=y
CONFIG_MTD_JEDECPROBE=y
CONFIG_MTD_GEN_PROBE=y
CONFIG_MTD_CFI_ADV_OPTIONS=y
CONFIG_MTD_CFI_NOSWAP=y
# CONFIG_MTD_CFI_BE_BYTE_SWAP is not set
# CONFIG_MTD_CFI_LE_BYTE_SWAP is not set
CONFIG_MTD_CFI_GEOMETRY=y
CONFIG_MTD_CFI_B1=y
CONFIG_MTD_CFI_B2=y
CONFIG_MTD_CFI_B4=y
CONFIG_MTD_CFI_I1=y
CONFIG_MTD_CFI_I2=y
# CONFIG_MTD_CFI_I4 is not set
# CONFIG_MTD_CFI_INTELEXT is not set
CONFIG_MTD_CFI_AMDSTD=y
CONFIG_MTD_RAM=y
CONFIG_MTD_ROM=y
CONFIG_MTD_ABSENT=y
CONFIG_MTD_OBSOLETE_CHIPS=y
CONFIG_MTD_AMDSTD=y
# CONFIG_MTD_SHARP is not set
CONFIG_MTD_JEDEC=y

#
# Mapping drivers for chip access
#
CONFIG_MTD_PHYSMAP=y
CONFIG_MTD_PHYSMAP_START=0x8000000
CONFIG_MTD_PHYSMAP_LEN=0x4000000
CONFIG_MTD_PHYSMAP_BUSWIDTH=2
# CONFIG_MTD_TQM8XXL is not set
# CONFIG_MTD_RPXLITE is not set
# CONFIG_MTD_DBOX2 is not set
# CONFIG_MTD_CFI_FLAGADM is not set
# CONFIG_MTD_REDWOOD is not set

#
# Self-contained MTD device drivers
#
# CONFIG_MTD_PMC551 is not set
# CONFIG_MTD_SLRAM is not set
# CONFIG_MTD_MTDRAM is not set
# CONFIG_MTD_BLKMTD is not set
# CONFIG_MTD_DOC1000 is not set
# CONFIG_MTD_DOC2000 is not set
# CONFIG_MTD_DOC2001 is not set
# CONFIG_MTD_DOCPROBE is not set

#
# NAND Flash Device Drivers
#
# CONFIG_MTD_NAND is not set



Ho-Kuo Chan