[Skiboot] [RESEND PATCH v1 09/11]ibm-fsp/firenze: Nest Xlink unit support

[Joel Stanley]

On Sun, 2015-07-05 at 22:25 +0530, Madhavan Srinivasan wrote:
> Patch adds support for Nest Xlink unit. In tuleta, X links connects
> the Chips within the DCM. Xlink counter data should give inter chip bandwidth
> usage (with in socket).
> 
> Signed-off-by: Madhavan Srinivasan <maddy at linux.vnet.ibm.com>
> ---
>  hw/nest.c      | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++--
>  include/nest.h |  3 +++
>  2 files changed, 53 insertions(+), 2 deletions(-)
> 
> diff --git a/hw/nest.c b/hw/nest.c
> index df93601..fc83589 100644
> --- a/hw/nest.c
> +++ b/hw/nest.c
> @@ -194,6 +194,51 @@ int dt_create_ima_chip_alink_type( struct dt_node *ima,
>  	return 0;
>  }
>  
> +int dt_create_ima_chip_xlink_event(struct dt_node *ima,
> +					int idx, u32 offset)
> +{
> +	char ev_name[MAX_NAME_SIZE];
> +	const char *unit = "MiB", *scale = "7.629e-6";
> +
> +	memset((void *)ev_name, '\0', MAX_NAME_SIZE);
> +	snprintf(ev_name, MAX_NAME_SIZE, "Xlink%d", idx);

See comments I made in patch 8 about merging these similar functions.

> +	dt_add_property_cells(ima, ev_name, offset);
> +
> +	/* Unit for the Event */
> +	memset((void *)ev_name, '\0', MAX_NAME_SIZE);
> +	snprintf(ev_name, MAX_NAME_SIZE, "unit.Xlink%d.unit", idx);
> +	dt_add_property_string(ima, ev_name, unit);
> +
> +	/* Scale for the Event */
> +	memset((void *)ev_name, '\0', MAX_NAME_SIZE);
> +	snprintf(ev_name, MAX_NAME_SIZE, "scale.Xlink%d.scale", idx);
> +	dt_add_property_string(ima, ev_name, scale);
> +
> +	return 0;
> +}