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From: "Ho-Kuo Chan" <hchan@wavesat.com>
To: <linux-mtd@lists.infradead.org>
Subject: Re: Trouble indetifying FLASH part 
Date: Thu, 16 May 2002 09:25:32 -0400
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 Hi,
     I suppose I should mention that I am using kernel 2.4.19-pre3.

> It looks like what you have should work. What messages do you get when you
> boot?

 Here is the outpt, note that lines that start with HKC are debugging
printk's I have put in:

physmap flash device: 4000000 at 8000000
HKC: output of ioremap: Map Priv 1 = 0xc2003000
HKC: Calling cfi_probe_chip with bus width 2, interleave 1 and device_type
16
HKC: cfi_send_gen_cmd: Addr = 0x0
HKC: cfi_send_gen_cmd: Cmd_addr = 0x0, CFIDEV_INTERLEAVE = 0x1, type = 0x2
HKC: cfi_send_gen_cmd: Val = 0xf0
HKC: cfi_send_gen_cmd: Addr = 0xaa
HKC: cfi_send_gen_cmd: Cmd_addr = 0x55, CFIDEV_INTERLEAVE = 0x1, type = 0x2
HKC: cfi_send_gen_cmd: Val = 0x98
CFI Query Failed for driver
HKC: Calling cfi_probe_chip with bus width 2, interleave 2 and device_type 8
HKC: cfi_send_gen_cmd: Addr = 0x0
HKC: cfi_send_gen_cmd: Cmd_addr = 0x0, CFIDEV_INTERLEAVE = 0x2, type = 0x1
HKC: cfi_send_gen_cmd: Val = 0xf0f0
HKC: cfi_send_gen_cmd: Addr = 0xaa
Cmd_addr = 0x55, CFIDEV_INTERLEAVE = 0x2, type = 0x1
HKC: cfi_send_gen_cmd: Val = 0x9898
CFI Query Failed for driver
Calling cfi_probe_chip with bus width 2, interleave 2 and device_type 16
HKC: cfi_send_gen_cmd: Addr = 0x0
HKC: cfi_send_gen_cmd: Cmd_addr = 0x0, CFIDEV_INTERLEAVE = 0x2, type = 0x2
HKC: cfi_send_gen_cmd: Val = 0xf0f0
HKC: cfi_send_gen_cmd: Addr = 0x154
HKC: cfi_send_gen_cmd: Cmd_addr = 0x55, CFIDEV_INTERLEAVE = 0x2, type = 0x2
HKC: cfi_send_gen_cmd: Val = 0x9898
CFI Query Failed for driver
CFI: Found no Physically mapped flash device at location zero