From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andrii Anisov <andrii.anisov@globallogic.com>
Subject: Re: [PATCH v2 2/3] xen/arm: Support kick_cpus for OMAP5
Date: Thu, 15 Aug 2013 17:12:51 +0300
Message-ID: <CAGQvs6h2Aj5HDoajcB7SijSODVAeGS==G-xx-waXZtx=FTUTig@mail.gmail.com>
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To: Chen Baozi <baozich@gmail.com>
Cc: Julien Grall <julien.grall@linaro.org>, Tim Deegan <tim@xen.org>, Ian Campbell <Ian.Campbell@citrix.com>, Xen Developer List <xen-devel@lists.xen.org>
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> +kick_cpus_omap5:
> +       /* write start paddr to AuxCoreBoot1 where ROM code will jump */
> +        ldr   r0, =(OMAP_AUX_CORE_BOOT_1)
> +        ldr   r2, =start
> +        add   r2, r2, r10
> +        str   r2, [r0]
> +        ldr   r0, =(OMAP_AUX_CORE_BOOT_0)
> +        mov   r2, #0x20
> +        str   r2, [r0]
> +        dsb
> +        sev

You don't  need following call of kick_cpus_sgi:
> +        ldr   r2, =OMAP5_GIC_BASE_ADDRESS     /* r2 := OMAP5 gic base address */
> +        b     kick_cpus_sgi
>  kick_cpus_sgi:

Once CPU1 get an event it will check OMAP_AUX_CORE_BOOT_0 and, if it
is ok, jump to OMAP_AUX_CORE_BOOT_1 address.

Sincerely,
Andrii Anisov.