[U-Boot] [PATCH] OMAP3: Overo: Update GPMC timing for ethernet chip.

Steve Sakoman sakoman at gmail.com
Thu Sep 8 16:21:50 CEST 2011


On Wed, Sep 7, 2011 at 4:57 AM, Philip Balister <philip at balister.org> wrote:
> The existing timing does not quite meet the minimum requirements
> in the LAN9221 datasheet. The timing in this patch solves problems
> noticed on some parts.
>
> Signed-off-by: Philip Balister <philip at opensdr.com>

Acked-by: Steve Sakoman <steve at sakoman.com>
Tested-by: Steve Sakoman <steve at sakoman.com>

> ---
>  board/overo/overo.h |    6 +++---
>  1 files changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/board/overo/overo.h b/board/overo/overo.h
> index 68e1243..617c0c3 100644
> --- a/board/overo/overo.h
> +++ b/board/overo/overo.h
> @@ -35,10 +35,10 @@ const omap3_sysinfo sysinfo = {
>
>  /* GPMC CS 5 connected to an SMSC LAN9221 ethernet controller */
>  #define NET_LAN9221_GPMC_CONFIG1    0x00001000
> -#define NET_LAN9221_GPMC_CONFIG2    0x00080701
> +#define NET_LAN9221_GPMC_CONFIG2    0x00060700
>  #define NET_LAN9221_GPMC_CONFIG3    0x00020201
> -#define NET_LAN9221_GPMC_CONFIG4    0x08030703
> -#define NET_LAN9221_GPMC_CONFIG5    0x00060908
> +#define NET_LAN9221_GPMC_CONFIG4    0x06000700
> +#define NET_LAN9221_GPMC_CONFIG5    0x0006090A
>  #define NET_LAN9221_GPMC_CONFIG6    0x87030000
>  #define NET_LAN9221_GPMC_CONFIG7    0x00000f6c
>
> --
> 1.7.4.4
>
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