[U-Boot] ATMEL AT45DB041D spi flash and gplugd

[Jagan Teki]

Hi Yogi,

On Sun, Feb 9, 2014 at 2:10 PM, Yogi P <yogi.p2182 at gmail.com> wrote:
> Hello all,
>
> From following commit spi write/erase times out on gplugd which uses ATMEL
> AT45DB041D spi flash.
>
>>commit f4f51a8ff894d34eb332f0d11f6c73c7bf509848
>>Author: Jagannadha Sutradharudu Teki <jaganna at xilinx.com>
>>Date:   Wed Oct 2 19:36:58 2013 +0530
>>
>>    sf: probe: Add support for erase sector selection flag
>>
>>    SECT_4K, SECT_32K and SECT_64K opeartions are performed to
>>    to specific flash by adding a SECT* flag on respective
>>    spi_flash_params.flag param.
>>
>>Signed-off-by: Jagannadha Sutradharudu Teki <jaganna at xilinx.com>
>
> Prior to this patch erase size was same as sector size; which is 64 * 1024 (64k).
> This 64K was replaced with 4k and timeout for erase started.
>
> If following patch is applied write/erase works well (See bottom) on top of
> above commit. But similar change on latest git head still has some problem
> with spi erase.

Does this means CMD_ERASE_64K works on master?
Can you verify correctly - because we couldn't find any issues so far
as per as the sf_ops
code is concern.

> diff --git a/drivers/mtd/spi/spi_flash_probe.c b/drivers/mtd/spi/spi_flash_probe.c
> index 9c2e115..9e1c4c5 100644
> --- a/drivers/mtd/spi/spi_flash_probe.c
> +++ b/drivers/mtd/spi/spi_flash_probe.c
> @@ -41,7 +41,7 @@ static const struct spi_flash_params spi_flash_params_table[] = {
>  #ifdef CONFIG_SPI_FLASH_ATMEL          /* ATMEL */
>         {"AT45DB011D",     0x1f2200, 0x0,       64 * 1024,     4,              SECT_4K},
>         {"AT45DB021D",     0x1f2300, 0x0,       64 * 1024,     8,              SECT_4K},
> -       {"AT45DB041D",     0x1f2400, 0x0,       64 * 1024,     8,              SECT_4K},
> +       {"AT45DB041D",     0x1f2400, 0x0,       64 * 1024,     8,              0},
>         {"AT45DB081D",     0x1f2500, 0x0,       64 * 1024,    16,              SECT_4K},
>         {"AT45DB161D",     0x1f2600, 0x0,       64 * 1024,    32,              SECT_4K},
>         {"AT45DB321D",     0x1f2700, 0x0,       64 * 1024,    64,              SECT_4K},
>
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thanks!
-- 
Jagan.