[U-Boot] [PATCH 3/4 v3] powerpc: keymile: Add a check for the PIGGY debug board

[Gary Jennejohn <garyj@denx.de>]

On Thu, 20 Nov 2008 09:58:39 +0100
Heiko Schocher <hs@denx.de> wrote:

> Check the presence of the PIGGY on the keymile boards mgcoge,
> mgsuvd and kmeter1. If the PIGGY is not present, dont register
> this Ethernet device.
> 
> Signed-off-by: Heiko Schocher <hs@denx.de>
> ---
> 
> changes since v2:
> 
>  - added comments from Ben Warren
> 
>  board/keymile/common/common.c   |   20 ++++++++++++++++++--
>  board/keymile/common/common.h   |   16 ++++++++++++++++
>  board/keymile/kmeter1/Makefile  |    6 ++++--
>  board/keymile/kmeter1/kmeter1.c |    7 ++++++-
>  board/keymile/mgcoge/mgcoge.c   |   10 +++++++---
>  board/keymile/mgsuvd/mgsuvd.c   |    8 ++++++--
>  include/configs/kmeter1.h       |    9 +++++++++
>  include/configs/mgcoge.h        |   10 ++++++++++
>  include/configs/mgsuvd.h        |    9 +++++++++
>  9 files changed, 85 insertions(+), 10 deletions(-)
>  create mode 100644 board/keymile/common/common.h
> 
> diff --git a/board/keymile/common/common.c b/board/keymile/common/common.c
> index a4cf24c..cc30b36 100644
> --- a/board/keymile/common/common.c
> +++ b/board/keymile/common/common.c
> @@ -22,10 +22,14 @@
>   */
> 
>  #include <common.h>
> +#if defined(CONFIG_MGCOGE)
>  #include <mpc8260.h>
> +#endif
>  #include <ioports.h>
>  #include <malloc.h>
>  #include <hush.h>
> +#include <net.h>
> +#include <asm/io.h>
> 
>  #if defined(CONFIG_OF_BOARD_SETUP) && defined(CONFIG_OF_LIBFDT)
>  #include <libfdt.h>
> @@ -33,8 +37,6 @@
> 
>  #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
>  #include <i2c.h>
> -#endif
> -#include <asm/io.h>
> 
>  extern int i2c_soft_read_pin (void);
> 
> @@ -495,6 +497,7 @@ void i2c_init_board(void)
>  #endif
>  }
>  #endif
> +#endif
> 
>  #if defined(CONFIG_OF_BOARD_SETUP) && defined(CONFIG_OF_LIBFDT)
>  int fdt_set_node_and_value (void *blob,
> @@ -521,3 +524,16 @@ int fdt_set_node_and_value (void *blob,
>  	return ret;
>  }
>  #endif
> +
> +int ethernet_present (void)
> +{
> +	return (in_8((u8 *)CONFIG_SYS_PIGGY_BASE + CONFIG_SYS_SLOT_ID_OFF) & 0x80);
> +}
> +
> +int board_eth_init(bd_t *bis)
> +{
  #ifdef CONFIG_KEYMILE_HDLC_ENET
  	(void)keymile_hdlc_enet_initialize(bis);
  #endif

> +	if (ethernet_present ()) {
> +		return -1;
> +	}
> +	return 0;
> +}

If it looked like this it would be perfect!

---
Gary Jennejohn
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