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From: Stefan Roese <sr@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH v2 10/13] arm: mvebu: Add dynamic SoC detection to mbus driver
Date: Wed, 15 Apr 2015 10:45:09 +0200	[thread overview]
Message-ID: <552E2515.7040208@denx.de> (raw)
In-Reply-To: <20150414173105.40f74c27@free-electrons.com>

Hi Thomas,

On 14.04.2015 17:31, Thomas Petazzoni wrote:
> On Tue, 14 Apr 2015 12:46:52 +0200, Stefan Roese wrote:
>
>> +			if (mvebu_soc_family() == MVEBU_SOC_AXP)
>> +				w->mbus_attr |= ATTR_HW_COHERENCY;
>
> Why is this Armada XP specific? Both Armada XP and Armada 38x support
> HW I/O coherency. But are you actually using HW I/O coherency in U-Boot
> for Armada XP ?

No, not really. This file is pretty much cloned from the Linux version. 
So its a remnant from there. Even though this coherency is not used in 
U-Boot.

> It would probably be simpler to not use HW I/O coherency at all in
> U-Boot, be it for AXP or A38x.

Right. I'll remove this, either in a new patchset version or in a follow 
up patch. Thanks for the hint.

Thanks,
Stefan

  reply	other threads:[~2015-04-15  8:45 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-04-14 10:46 [U-Boot] [PATCH v2 0/13] Add Marvell Armada A38x 88F6820 SoC support Stefan Roese
2015-04-14 10:46 ` [U-Boot] [PATCH v2 01/13] arm: armada-xp: Move SoC sources to mach-mvebu Stefan Roese
2015-04-14 10:46 ` [U-Boot] [PATCH v2 02/13] arm: armada-xp: Move SoC headers to mach-mvebu/include/mach Stefan Roese
2015-04-14 10:46 ` [U-Boot] [PATCH v2 03/13] arm: mvebu: Move mvebu-common into mach-mvebu Stefan Roese
2015-04-14 10:46 ` [U-Boot] [PATCH v2 04/13] arm: mvebu: Change header macros from ARMADA_XP to MVEBU Stefan Roese
2015-04-14 10:46 ` [U-Boot] [PATCH v2 05/13] arm: mvebu: Remove unreferenced define Stefan Roese
2015-04-14 10:46 ` [U-Boot] [PATCH v2 06/13] arm: mvebu: Only define MV88F78X60 for Armada XP Stefan Roese
2015-04-14 10:46 ` [U-Boot] [PATCH v2 07/13] arm: mvebu: Move CONFIG_SPL_LDSCRIPT to common header Stefan Roese
2015-04-14 10:46 ` [U-Boot] [PATCH v2 08/13] arm: mvebu: Add basic Armada 38x support Stefan Roese
2015-04-14 10:46 ` [U-Boot] [PATCH v2 09/13] arm: mvebu: Change network init code to allow a more flexible setup Stefan Roese
2015-04-14 10:46 ` [U-Boot] [PATCH v2 10/13] arm: mvebu: Add dynamic SoC detection to mbus driver Stefan Roese
2015-04-14 15:31   ` Thomas Petazzoni
2015-04-15  8:45     ` Stefan Roese [this message]
2015-04-14 10:46 ` [U-Boot] [PATCH v2 11/13] arm: mvebu: mv-common.h: Add CONFIG_PREBOOT Stefan Roese
2015-04-14 10:46 ` [U-Boot] [PATCH v2 12/13] arm: mvebu: Add d-cache invalidate before enabling the d-cache Stefan Roese
2015-04-14 10:46 ` [U-Boot] [PATCH v2 13/13] arm: mvebu: Add Armada A38x DB-88F6820-GP board support Stefan Roese
2015-04-16 20:22 ` [U-Boot] [PATCH v2 0/13] Add Marvell Armada A38x 88F6820 SoC support Kevin Smith

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