On 13:37 Thu 03 Apr , Martin Krause wrote:
> According to the ata (ata5) specification the RESET- signal
> shall be asserted for at least 25 us. Without this patch,
> the RESET- signal is asserted on some boards for only < 1 us
> (e. g. on the TQM5200). This patch adds a general delay of
> 25 us to the RESET- signal.
>
> Without this patch a Platinum 4 GiB CF card is not recognised
> properly on boards with a TQM5200 (STK52xx, TB5200).
>
> Signed-off-by: Martin Krause <[EMAIL PROTECTED]>
> ---
>
> common/cmd_ide.c | 3 +++
> 1 files changed, 3 insertions(+), 0 deletions(-)
>
>
> diff --git a/common/cmd_ide.c b/common/cmd_ide.c
> index 8ace970..f9cd422 100644
> --- a/common/cmd_ide.c
> +++ b/common/cmd_ide.c
> @@ -1529,6 +1529,9 @@ static void ide_reset (void)
>
> ide_set_reset (1); /* assert reset */
>
> + /* the reset signal shall be asserted for et least 25 us */
^
for at least ;-)
btw this need to be tested with other CF ex <>8GB and some hard drive
Best Regards,
J.
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