From: Deng-Cheng Zhu <dczhu@mips.com>
To: "Maciej W. Rozycki" <macro@linux-mips.org>
Cc: John Crispin <john@phrozen.org>, <linux-mips@linux-mips.org>,
<kevink@paralogos.com>
Subject: Re: [PATCH v2 1/2] MIPS: fix/enrich 34K APRP (APSP) functionalities
Date: Mon, 21 May 2012 11:23:27 +0800 [thread overview]
Message-ID: <4FB9B52F.908@mips.com> (raw)
In-Reply-To: <alpine.LFD.2.00.1205202231400.3701@eddie.linux-mips.org>
On 05/21/2012 05:32 AM, Maciej W. Rozycki wrote:
> On Fri, 18 May 2012, John Crispin wrote:
>
>>>> You could introduce a ARCH_HAS_APRP which any platform can then select ?
>>>
>>> Hmm... This is a good idea. Maybe the name could be SYS_SUPPORTS_APRP?
>>
>> You are correct
>
> What's so Malta-specific in the VPE loader anyway? It's a CPU feature,
> not a board-specific one.
Well, first off, for VPE loader itself, when it comes to CPS we have
vpe_run() that derives from amon_cpu_start() in arch/mips/mti-malta/malta-
amon.c. There is no implementation of amon_cpu_start() on other platforms.
Secondly, I suppose VPE loader works uniquely for APRP, and part of APRP
(such as IRQ related stuff) depends on platform code. So it makes sense
(IMO) to impose the dependency of APRP on the root (VPE loader).
Thanks,
Deng-Cheng
WARNING: multiple messages have this Message-ID (diff)
From: Deng-Cheng Zhu <dczhu@mips.com>
To: "Maciej W. Rozycki" <macro@linux-mips.org>
Cc: John Crispin <john@phrozen.org>,
linux-mips@linux-mips.org, kevink@paralogos.com
Subject: Re: [PATCH v2 1/2] MIPS: fix/enrich 34K APRP (APSP) functionalities
Date: Mon, 21 May 2012 11:23:27 +0800 [thread overview]
Message-ID: <4FB9B52F.908@mips.com> (raw)
Message-ID: <20120521032327.u6vkWsT_R2_A3q8fTtWwrHPRKflmvi0Rd5_hFZOSR4A@z> (raw)
In-Reply-To: <alpine.LFD.2.00.1205202231400.3701@eddie.linux-mips.org>
On 05/21/2012 05:32 AM, Maciej W. Rozycki wrote:
> On Fri, 18 May 2012, John Crispin wrote:
>
>>>> You could introduce a ARCH_HAS_APRP which any platform can then select ?
>>>
>>> Hmm... This is a good idea. Maybe the name could be SYS_SUPPORTS_APRP?
>>
>> You are correct
>
> What's so Malta-specific in the VPE loader anyway? It's a CPU feature,
> not a board-specific one.
Well, first off, for VPE loader itself, when it comes to CPS we have
vpe_run() that derives from amon_cpu_start() in arch/mips/mti-malta/malta-
amon.c. There is no implementation of amon_cpu_start() on other platforms.
Secondly, I suppose VPE loader works uniquely for APRP, and part of APRP
(such as IRQ related stuff) depends on platform code. So it makes sense
(IMO) to impose the dependency of APRP on the root (VPE loader).
Thanks,
Deng-Cheng
next prev parent reply other threads:[~2012-05-21 3:23 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-17 8:51 [PATCH v2 0/2] MIPS: enable APRP (APSP) and add features - v2 Deng-Cheng Zhu
2012-05-17 8:51 ` Deng-Cheng Zhu
2012-05-17 8:51 ` [PATCH v2 1/2] MIPS: fix/enrich 34K APRP (APSP) functionalities Deng-Cheng Zhu
2012-05-17 8:51 ` Deng-Cheng Zhu
2012-05-17 12:30 ` John Crispin
2012-05-18 8:10 ` Deng-Cheng Zhu
2012-05-18 8:10 ` Deng-Cheng Zhu
2012-05-18 18:06 ` John Crispin
2012-05-20 21:32 ` Maciej W. Rozycki
2012-05-21 3:23 ` Deng-Cheng Zhu [this message]
2012-05-21 3:23 ` Deng-Cheng Zhu
2012-05-21 23:17 ` Maciej W. Rozycki
2012-05-22 7:05 ` Deng-Cheng Zhu
2012-05-22 7:05 ` Deng-Cheng Zhu
2012-05-22 22:12 ` Maciej W. Rozycki
2012-05-23 9:07 ` Deng-Cheng Zhu
2012-05-23 9:07 ` Deng-Cheng Zhu
2012-05-17 8:51 ` [PATCH v2 2/2] MIPS: enable CPS multicore APRP (APSP) Deng-Cheng Zhu
2012-05-17 8:51 ` Deng-Cheng Zhu
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