[PATCHv2 14/19] ARM: OMAP4: wakeupgen: enable clocks for save_secure_all

[Shilimkar, Santosh]

On Mon, May 21, 2012 at 3:05 PM, Tero Kristo <t-kristo at ti.com> wrote:
> On Wed, 2012-05-16 at 18:17 -0600, Paul Walmsley wrote:
>> Hi Tero
>>
>> On Mon, 14 May 2012, Tero Kristo wrote:
>>
>> > save_secure_all needs l3_main_3_ick and l4_secure_clkdm enabled,
>> > otherwise the secure ROM code will crash.
>>
>> Do we know why the l3_main_3 interconnect has to be enabled?  Is this
>> needed to access some L3 or instrumentation registers?
>
> Not sure, ROM code is doing something here which requires it, and the
> ROM code definitely crashes without this. Your guess sounds plausible.
>
ROM code accesses L3 firewall registers mostly apart from L2 INSTR firewall
registers here and without that clock, those accesses will abort.

Regards
santosh