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Subject[PATCH 5.3 151/344] soc: renesas: Enable ARM_ERRATA_754322 for affected Cortex-A9
Date
From: Geert Uytterhoeven <geert+renesas@glider.be>

[ Upstream commit 2eced4607a1e6f51f928ae3e521fe02be5cb7d23 ]

ARM Erratum 754322 affects Cortex-A9 revisions r2p* and r3p*.

Automatically enable support code to mitigate the erratum when compiling
a kernel for any of the affected Renesas SoCs:
- RZ/A1: r3p0,
- R-Mobile A1: r2p4,
- R-Car M1A: r2p2-00rel0,
- R-Car H1: r3p0,
- SH-Mobile AG5: r2p2.

EMMA Mobile EV2 (r1p3) and RZ/A2 (r4p1) are not affected.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/soc/renesas/Kconfig | 5 +++++
1 file changed, 5 insertions(+)

diff --git a/drivers/soc/renesas/Kconfig b/drivers/soc/renesas/Kconfig
index 2bbf49e5d4418..9583c542c47f7 100644
--- a/drivers/soc/renesas/Kconfig
+++ b/drivers/soc/renesas/Kconfig
@@ -55,6 +55,7 @@ config ARCH_EMEV2

config ARCH_R7S72100
bool "RZ/A1H (R7S72100)"
+ select ARM_ERRATA_754322
select PM
select PM_GENERIC_DOMAINS
select RENESAS_OSTM
@@ -78,6 +79,7 @@ config ARCH_R8A73A4
config ARCH_R8A7740
bool "R-Mobile A1 (R8A77400)"
select ARCH_RMOBILE
+ select ARM_ERRATA_754322
select RENESAS_INTC_IRQPIN

config ARCH_R8A7743
@@ -105,10 +107,12 @@ config ARCH_R8A77470
config ARCH_R8A7778
bool "R-Car M1A (R8A77781)"
select ARCH_RCAR_GEN1
+ select ARM_ERRATA_754322

config ARCH_R8A7779
bool "R-Car H1 (R8A77790)"
select ARCH_RCAR_GEN1
+ select ARM_ERRATA_754322
select HAVE_ARM_SCU if SMP
select HAVE_ARM_TWD if SMP
select SYSC_R8A7779
@@ -152,6 +156,7 @@ config ARCH_R9A06G032
config ARCH_SH73A0
bool "SH-Mobile AG5 (R8A73A00)"
select ARCH_RMOBILE
+ select ARM_ERRATA_754322
select HAVE_ARM_SCU if SMP
select HAVE_ARM_TWD if SMP
select RENESAS_INTC_IRQPIN
--
2.20.1


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