Hi Stefan,
I have did the same.
Thanks for all infomation given so far.
Regards,
Prakash
On Thu, Oct 29, 2009 at 12:51 PM, Stefan Roese <s...@denx.de> wrote:
> Hi Prakash,
>
> On Thursday 29 October 2009 07:24:25 prakash bedge wrote:
> > Can you please send me the patch details to fixup the CFI query related
> bug
> > for M29W128GH?
>
> I did send you the patch in my last mail. You just need to add this code to
> a
> board specific file, e.g. board/board_name/board_name.c.
>
> > In the code for each header file there is a macro named
> > CONFIG_FLASH_CFI_DRIVER defined in each board specific header file in
> > folder /include/configs. But I am not seeing any #ifdef for this macro
> in
> > code. Where this macro is being checked in the code?
>
> It's in the makefile (drivers/mdt/Makefile).
>
> > Is there any documentation giving details on how the CFI flash
> > driver executes in U-Boot?
>
> It's really simple, just copy the config options and change some
> values like CONFIG_SYS_FLASH_BANKS_LIST, CONFIG_SYS_MAX_FLASH_BANKS
> according to your hardware specs. Take a look at zeus for example:
>
> #define CONFIG_SYS_FLASH_CFI /* The flash is CFI
> compatible */
> #define CONFIG_FLASH_CFI_DRIVER /* Use common CFI driver
> */
>
> #define CONFIG_SYS_FLASH_BANKS_LIST { CONFIG_SYS_FLASH_BASE }
>
> #define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory
> banks */
> #define CONFIG_SYS_MAX_FLASH_SECT 512 /* max number of sectors on
> one chip */
>
> #define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase
> (in ms) */
> #define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write
> (in ms) */
>
> #define CONFIG_SYS_FLASH_USE_BUFFER_WRITE 1 /* use buffered writes (20x
> faster) */
> #define CONFIG_SYS_FLASH_PROTECTION 1 /* use hardware flash
> protection */
>
> #define CONFIG_SYS_FLASH_EMPTY_INFO /* print 'E' for empty
> sector on flinfo */
> #define CONFIG_SYS_FLASH_QUIET_TEST 1 /* don't warn upon unknown
> flash */
>
> This shouldn't be too hard.
>
> Cheers,
> Stefan
>
> --
> DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel
> HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
> Phone: (+49)-8142-66989-0 Fax: (+49)-8142-66989-80 Email: off...@denx.de
>
_______________________________________________
U-Boot mailing list
U-Boot@lists.denx.de
http://lists.denx.de/mailman/listinfo/u-boot
