[U-Boot] Does U-boot supports Spansion S29GL512P NOR Flash?

["Frank Svendsbøe" <frank.svendsboe@gmail.com>]

>> Does it mean I have to CFI_MTD ot common CFI_DRIVER will works?
>
> I don't understand this question.
>

me neither

>> ?*----------------------------------------------------------------------*/
>> #define CONFIG_SYS_FLASH_CFI
>> #define CONFIG_FLASH_CFI_DRIVER
>> #define CONFIG_SYS_FLASH_EMPTY_INFO ?/* print 'E' for empty sector on
>> flinfo */
>>
>> #define CONFIG_SYS_FLASH_BANKS_LIST ? ?{CONFIG_SYS_FLASH_BASE}
>> #define CONFIG_SYS_MAX_FLASH_BANKS ? ? 1 ? ? ?/* number of banks ? ? */
>> #define CONFIG_SYS_MAX_FLASH_SECT 512 ? ? ?/* sectors per device ? */
>> #define CONFIG_FLASH_SHOW_PROGRESS ?1
>>
>> #define CONFIG_SYS_FLASH_ERASE_TOUT 220000 /* Timeout for Flash Erase (in
>> ms) */
>> #define CONFIG_SYS_FLASH_WRITE_TOUT 100 /* Timeout for Flash Write (in
>> ms) */
>>
>> #define CONFIG_ENV_SECT_SIZE 0x20000 /* size of one complete sector */
>> #define CONFIG_ENV_ADDR ?(CONFIG_SYS_MONITOR_BASE-CONFIG_ENV_SECT_SIZE)
>> #define CONFIG_ENV_SIZE ?0x4000 /* Total Size of Environment Sector */
>
> This looks good. With these defines the CFI driver should work. You might want
> to add CONFIG_SYS_FLASH_USE_BUFFER_WRITE for write speedup. And you need to
> configure your access timing for the chip select to the NOR Chip correctly of
> course.
>

Yes, we use #define CONFIG_SYS_FLASH_USE_BUFFER_WRITE 1, on order to
speed write ops.
Our BR- and OR setting is very conservative since some signals are
routed through an FPGA and are delayed.
For this reason, we utilize 8 wait states.

Frank