[U-Boot] [PATCH 10/10] mx23_olinuxino: Add ethernet support

Marek Vasut marex at denx.de
Wed Jan 30 15:18:54 CET 2013


Dear Otavio Salvador,

> This adds support to the LAN9512 chip included in the board and extend
> the environment to easy netboot use.
> 
> Signed-off-by: Otavio Salvador <otavio at ossystems.com.br>
> ---
>  board/olimex/mx23_olinuxino/mx23_olinuxino.c |  6 +++++
>  board/olimex/mx23_olinuxino/spl_boot.c       |  4 +++
>  include/configs/mx23_olinuxino.h             | 40
> +++++++++++++++++++++++++--- 3 files changed, 47 insertions(+), 3
> deletions(-)
> 
> diff --git a/board/olimex/mx23_olinuxino/mx23_olinuxino.c
> b/board/olimex/mx23_olinuxino/mx23_olinuxino.c index 2501417..9ed7718
> 100644
> --- a/board/olimex/mx23_olinuxino/mx23_olinuxino.c
> +++ b/board/olimex/mx23_olinuxino/mx23_olinuxino.c
> @@ -23,6 +23,7 @@
>   */
> 
>  #include <common.h>
> +#include <asm/gpio.h>
>  #include <asm/io.h>
>  #include <asm/arch/iomux-mx23.h>
>  #include <asm/arch/imx-regs.h>
> @@ -45,6 +46,11 @@ int board_early_init_f(void)
>  	/* SSP0 clock at 96MHz */
>  	mxs_set_sspclk(MXC_SSPCLK0, 96000, 0);
> 
> +#ifdef CONFIG_CMD_USB
> +	/* Enable LAN9512 */
> +	gpio_direction_output(MX23_PAD_GPMI_ALE__GPIO_0_17, 1);
> +#endif
> +
>  	return 0;
>  }
> 
> diff --git a/board/olimex/mx23_olinuxino/spl_boot.c
> b/board/olimex/mx23_olinuxino/spl_boot.c index 3bbf5ad..a96c293 100644
> --- a/board/olimex/mx23_olinuxino/spl_boot.c
> +++ b/board/olimex/mx23_olinuxino/spl_boot.c
> @@ -95,6 +95,10 @@ const iomux_cfg_t iomux_setup[] = {
>  	MX23_PAD_SSP1_DATA2__SSP1_DATA2 | MUX_CONFIG_SSP,
>  	MX23_PAD_SSP1_DATA3__SSP1_DATA3 | MUX_CONFIG_SSP,
>  	MX23_PAD_SSP1_SCK__SSP1_SCK | MUX_CONFIG_SSP,
> +
> +	/* Ethernet */
> +	MX23_PAD_GPMI_ALE__GPIO_0_17 |
> +		(MXS_PAD_3V3 | MXS_PAD_12MA | MXS_PAD_NOPULL),
>  };
> 
>  void board_init_ll(void)
> diff --git a/include/configs/mx23_olinuxino.h
> b/include/configs/mx23_olinuxino.h index 7e17809..42de557 100644
> --- a/include/configs/mx23_olinuxino.h
> +++ b/include/configs/mx23_olinuxino.h
> @@ -53,11 +53,13 @@
>  #define	CONFIG_DOS_PARTITION
> 
>  #define	CONFIG_CMD_CACHE
> +#define	CONFIG_CMD_DHCP
>  #define	CONFIG_CMD_EXT2
>  #define	CONFIG_CMD_FAT
>  #define	CONFIG_CMD_GPIO
>  #define	CONFIG_CMD_LED
>  #define	CONFIG_CMD_MMC
> +#define	CONFIG_CMD_NET
>  #define	CONFIG_CMD_USB
> 
>  /*
> @@ -148,6 +150,12 @@
>  #define	CONFIG_USB_STORAGE
>  #endif
> 
> +/* Ethernet */
> +#ifdef	CONFIG_CMD_NET
> +#define	CONFIG_USB_HOST_ETHER
> +#define	CONFIG_USB_ETHER_SMSC95XX
> +#endif
> +
>  /*
>   * Boot Linux
>   */

Split the env from this patch into separate one ; merge the rest into the 09/10 
as the SMC device is also a hub etc.

Best regards,
Marek Vasut


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