Subject: [PATCHv2 06/10] ARM: DRA7: hwmod_data: Add mailbox hwmod data

From: [email-masked] (Tony Lindgren)
Date: Tue, 15 Jul 2014 06:30:13 -0700

* Suman Anna <[email-masked]> [140711 14:47]:
> Add the hwmod data for the 13 instances of the system mailbox
> IP in DRA7 SoC. The patch is needed for performing a soft-reset
> while configuring the respective mailbox instance, otherwise is
> a non-essential change for functionality. The modules are smart
> idled on reset, and the IP module mode is hardware controlled.
> 
> Cc: Rajendra Nayak <[email-masked]>
> Cc: Paul Walmsley <[email-masked]>
> Signed-off-by: Suman Anna <[email-masked]>
> ---
>  arch/arm/mach-omap2/omap_hwmod_7xx_data.c | 305 ++++++++++++++++++++++++++++++
>  1 file changed, 305 insertions(+)
> 
> diff --git a/arch/arm/mach-omap2/omap_hwmod_7xx_data.c b/arch/arm/mach-omap2/omap_hwmod_7xx_data.c
> index 20b4398..e35f5b1 100644
> --- a/arch/arm/mach-omap2/omap_hwmod_7xx_data.c
> +++ b/arch/arm/mach-omap2/omap_hwmod_7xx_data.c
> @@ -939,6 +939,194 @@ static struct omap_hwmod dra7xx_i2c5_hwmod = {
>  };
>  
>  /*
> + * 'mailbox' class
> + *
> + */
> +
> +static struct omap_hwmod_class_sysconfig dra7xx_mailbox_sysc = {
> +	.rev_offs	= 0x0000,
> +	.sysc_offs	= 0x0010,
> +	.sysc_flags	= (SYSC_HAS_RESET_STATUS | SYSC_HAS_SIDLEMODE |
> +			   SYSC_HAS_SOFTRESET),
> +	.idlemodes	= (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART),
> +	.sysc_fields	= &omap_hwmod_sysc_type2,
> +};
> +
> +static struct omap_hwmod_class dra7xx_mailbox_hwmod_class = {
> +	.name	= "mailbox",
> +	.sysc	= &dra7xx_mailbox_sysc,
> +};

Hmm I'm seeing just the following MAILBOX_SYSCONFIG in at least
am57xx TRM:

31:4	RESERVED
3:2	SIDLEMODE	0 = force-idle 1 = no-idle, 2 = smart-idle, 3 = reserved
1	RESERVED
0	SOFTRESET

So it seems that SYSC_HAS_RESET_STATUS above is wrong? Can you guys
please check.

Regards,

Tony