[U-Boot] [PATCH v1 2/4] udoo: Add ethernet support (FEC + Micrel KSZ9031).

[Stefano Babic]

Hi Giuseppe,

On 11/11/2013 18:11, Giuseppe Pagano wrote:
> Add Ethernet and networking support on uDoo board (FEC + phy Micrel KSZ9031).
> 
> Signed-off-by: Giuseppe Pagano <giuseppe.pagano at seco.com>
> CC: Stefano Babic <sbabic at denx.de>
> CC: Fabio Estevam <fabio.estevam at freescale.com>
> ---

ok - remember to increment the version number of the patchset for next
time (this is really V2 instead of V1).

>  board/udoo/udoo.c      |  140 ++++++++++++++++++++++++++++++++++++++++++++++++
>  include/configs/udoo.h |   16 ++++++
>  include/micrel.h       |    5 ++
>  3 files changed, 161 insertions(+)
> 
> diff --git a/board/udoo/udoo.c b/board/udoo/udoo.c
> index e9d6375..ca49ebb 100644
> --- a/board/udoo/udoo.c
> +++ b/board/udoo/udoo.c
> @@ -9,6 +9,7 @@
>  #include <asm/arch/clock.h>
>  #include <asm/arch/imx-regs.h>
>  #include <asm/arch/iomux.h>
> +#include <malloc.h>
>  #include <asm/arch/mx6-pins.h>
>  #include <asm/errno.h>
>  #include <asm/gpio.h>
> @@ -18,6 +19,9 @@
>  #include <asm/arch/crm_regs.h>
>  #include <asm/io.h>
>  #include <asm/arch/sys_proto.h>
> +#include <micrel.h>
> +#include <miiphy.h>
> +#include <netdev.h>
>  
>  DECLARE_GLOBAL_DATA_PTR;
>  
> @@ -25,6 +29,9 @@ DECLARE_GLOBAL_DATA_PTR;
>  	PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm |			\
>  	PAD_CTL_SRE_FAST  | PAD_CTL_HYS)
>  
> +#define ENET_PAD_CTRL  (PAD_CTL_PUS_100K_UP |                   \
> +	PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS)
> +
>  #define USDHC_PAD_CTRL (PAD_CTL_PUS_47K_UP |			\
>  	PAD_CTL_SPEED_LOW | PAD_CTL_DSE_80ohm |			\
>  	PAD_CTL_SRE_FAST  | PAD_CTL_HYS)
> @@ -58,6 +65,99 @@ static iomux_v3_cfg_t const wdog_pads[] = {
>  	MX6_PAD_EIM_D19__GPIO_3_19,
>  };
>  
> +int mx6_rgmii_rework(struct phy_device *phydev)
> +{
> +	/*
> +	 * Bug: Apparently uDoo does not works with Gigabit switches...
> +	 * Limiting speed to 10/100Mbps, and setting master mode, seems to
> +	 * be the only way to have a successfull PHY auto negotiation.
> +	 * How to fix: Understand why Linux kernel do not have this issue.
> +	 */

Fine. This is ok, but could you also add to the commit message that
Ethernet is currently limited to 10/100Mbps ?

Best regards,
Stefano Babic


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