From mboxrd@z Thu Jan  1 00:00:00 1970
From: horia.geanta@freescale.com (=?UTF-8?Q?Horia_Geant=c4=83?=)
Date: Wed, 12 Aug 2015 16:20:41 +0300
Subject: [PATCH v3] ARM: configs: Add Freescale LS1021A defconfig
In-Reply-To: <1438941784-38403-1-git-send-email-b18965@freescale.com>
References: <1438941784-38403-1-git-send-email-b18965@freescale.com>
Message-ID: <55CB4829.40204@freescale.com>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

On 8/7/2015 1:03 PM, Alison Wang wrote:
> Add Freescale LS1021A initial defconfig file.
> The LS1021A SoC is a dual-core Cortex-A7 based processor.
> 
> LS1021A has some special configure options against common V7 SOCs,
> such as CONFIG_THUMB2_KERNEL, CONFIG_VMSPLIT_2G, CONFIG_VFP...
> 
> Enable I2C, LPUART, eDMA, WDT, GIANFAR, Sound, DSPI at default.
> 
> Signed-off-by: Haikun Wang <haikun.wang@freescale.com>
> Signed-off-by: Alison Wang <alison.wang@freescale.com>
> ---
> Changes since v2:
> - Enable PSCI, as PSCI is enabled in u-boot.
> Changes since v1:
> - Enable GIANFAR, Sound and DSPI.

Looks like CONFIG_ARCH_DMA_ADDR_T_64BIT=y is missing.
For e.g. CAAM (crypto engine) is a DMA device able to use 40-bit bus
addresses.
Note that ARCH_DMA_ADDR_T_64BIT does not depend / is not selected by
ARM_LPAE.

Thanks,
Horia