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From: Ahmad Fatoum <a.fatoum@pengutronix.de>
To: barebox@lists.infradead.org
Cc: Ahmad Fatoum <a.fatoum@pengutronix.de>,
	lst@pengutronix.de, ore@pengutronix.de, rcz@pengutronix.de
Subject: [PATCH 2/5] ARM: imx: work around i.MX6UL ERR008958 (ARM errata 814220)
Date: Tue, 23 Apr 2019 19:18:49 +0200	[thread overview]
Message-ID: <20190423171852.26126-3-a.fatoum@pengutronix.de> (raw)
In-Reply-To: <20190423171852.26126-1-a.fatoum@pengutronix.de>

The Cortex-A7 in both the i.MX6UL[1] and i.MX6ULL[2] is affected by the
errata ERR008958 "Arm/MP: 814220—B-Cache maintenance by set/way operations
can execute out of order".

select ARM_ERRATA_814220 to address this.

[1]: https://www.nxp.com/docs/en/errata/IMX6ULCE.pdf
[2]: https://www.nxp.com/docs/en/errata/IMX6ULLCE.pdf

Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
---
 arch/arm/mach-imx/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig
index d47dd3547712..b15e6dfdfd9b 100644
--- a/arch/arm/mach-imx/Kconfig
+++ b/arch/arm/mach-imx/Kconfig
@@ -164,6 +164,7 @@ config ARCH_IMX6SX
 config ARCH_IMX6UL
 	bool
 	select ARCH_IMX6
+	select ARM_ERRATA_814220
 
 config ARCH_IMX7
 	bool
-- 
2.20.1


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  parent reply	other threads:[~2019-04-23 17:19 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-04-23 17:18 [PATCH 0/5] ARM: mmu: misc armv7 cache/MMU fixes Ahmad Fatoum
2019-04-23 17:18 ` [PATCH 1/5] ARM: cache-armv7: add work-around for errata 814220 Ahmad Fatoum
2019-04-23 17:39   ` Sam Ravnborg
2019-04-25 10:38     ` Ahmad Fatoum
2019-04-25 10:02   ` Lucas Stach
2019-04-23 17:18 ` Ahmad Fatoum [this message]
2019-04-23 17:41   ` [PATCH 2/5] ARM: imx: work around i.MX6UL ERR008958 (ARM errata 814220) Sam Ravnborg
2019-04-25 10:39     ` Ahmad Fatoum
2019-04-23 17:18 ` [PATCH 3/5] ARM: cache-armv7: start invalidation from outer levels Ahmad Fatoum
2019-04-23 17:21   ` Ahmad Fatoum
2019-04-25  9:57     ` Lucas Stach
2019-04-23 17:18 ` [PATCH 4/5] ARM: mmu: remove doubly defined macro Ahmad Fatoum
2019-04-23 17:18 ` [PATCH 5/5] ARM: mmu: mark uncached regions as eXecute never on v7 Ahmad Fatoum

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