* Suman Anna <s-anna@xxxxxx> [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 <rnayak@xxxxxx>
> Cc: Paul Walmsley <paul@xxxxxxxxx>
> Signed-off-by: Suman Anna <s-anna@xxxxxx>
> ---
> 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
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