Re: [microblaze-uclinux] u-boot print the message "## Unknown FLASH on Bank 0", flash-init() fail

[Michal Simek <michal.simek@xxxxxxxxxxxxx>]

Hi,

Childhood Hwang wrote:
> Hi, all:
>     I am trying to boot 'u-boot' on a new board by I got the following
> message in flash_init(), i.e. flash_init() return failure.
> I am using the ../u-boot/drivers/cfi_flash.c, is it correct ? Or I
> have to write my own flash_init() etc. In flash_detect_cfi()
> funtion, u-boot can't detect the infomation of the flash, and the
> flash on my board is TE28F256J3C-125, in 8 bits data
> bus width.

CFI driver should cover it. You don't need to write your own driver.
I should try to use latest U-BOOT and see if is solve
the problem. If is the custom board, you should check that your flash is ok.

Regards,
Michal

> 
> 
> FS-BOOT: System initialisation completed.
> FS-BOOT: No existing image in FLASH.  Starting image download.
> FS-BOOT: Waiting for SREC image....
> FS-BOOT: Image download successful.
> FS-BOOT: Warning image location differ from default boot location.
> Image will not boot automatically after POR.
> FS-BOOT: Press 'n' to boot old image.
> FS-BOOT: Use new image.
> FS-BOOT: Booting image...
> SDRAM :
>         Enabling caches :
>                 Icache:OK
>                 Dcache:OK
>         U-Boot Start:0x91fc0000
>         Malloc Start:0x91f80000
>         Board Info Start:0x91f7ffd0
>         Boot Parameters Start:0x91f6ffd0
> FLASH:
> fwc addr 82000000 cmd 0 0 8bit x 8 bit
> fwc addr 82000055 cmd 98 98 8bit x 8 bit
> is= cmd 51(Q) addr 82000010 is= ff 51
> fwc addr 82000000 cmd 0 0000 16bit x 8 bit
> fwc addr 820000aa cmd 98 9898 16bit x 8 bit
> is= cmd 51(Q) addr 82000020 is= ffff 5151
> fwc addr 82000000 cmd 0 0000 16bit x 16 bit
> fwc addr 820000aa cmd 98 0098 16bit x 16 bit
> is= cmd 51(Q) addr 82000020 is= ffff 0051
> fwc addr 82000000 cmd 0 00000000 32bit x 8 bit
> fwc addr 82000154 cmd 98 98989898 32bit x 8 bit
> is= cmd 51(Q) addr 82000040 is= ffffffff 51515151
> fwc addr 82000000 cmd 0 00000000 32bit x 16 bit
> fwc addr 82000154 cmd 98 00980098 32bit x 16 bit
> is= cmd 51(Q) addr 82000040 is= ffffffff 00510051
> fwc addr 82000000 cmd 0 00000000 32bit x 32 bit
> fwc addr 82000154 cmd 98 00000098 32bit x 32 bit
> is= cmd 51(Q) addr 82000040 is= ffffffff 00000051
> is= cmd 51(Q) addr 82000080 is= cmd 51(Q) addr 82000080 is= cmd 51(Q)
> addr 82000080 is= cmd 51(Q) addr 82000080 not found
> ## Unknown FLASH on Bank 0 - Size = 0xb8080070 = 117440512 MB
> ETHERNET: MAC:00:0a:35:00:22:01
> 
> *** Warning - bad CRC, using default environment
> 
> Hit any key to stop autoboot:  0
> ## Booting image at 82080000 ...
> Bad Magic Number
> U-Boot>
> 
> Rgs.
> Childhood Hwang
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> 
> 

-- 
Michal Simek, Ing. (M.Eng)
PetaLogix - Linux Solutions for a Reconfigurable World
w: www.petalogix.com p: +61-7-30090663,+42-0-721842854 f: +61-7-30090663
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