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Message-Id: <630b39e3b632912e982168782e071ddf15336eb3.1528365638.git.christophe.leroy@c-s.fr>
Date: Thu, 7 Jun 2018 10:10:22 +0000 (UTC)
From: Christophe Leroy <christophe.leroy@....fr>
To: Benjamin Herrenschmidt <benh@...nel.crashing.org>,
Paul Mackerras <paulus@...ba.org>,
Michael Ellerman <mpe@...erman.id.au>, npiggin@...il.com
Cc: linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org
Subject: [PATCH 3/3] powerpc: Allow CPU selection of e300core variants
GCC supports -mcpu=e300c2 and -mcpu=e300c3
This patch gives the opportunity to tune kernel to one of
those two types.
Signed-off-by: Christophe Leroy <christophe.leroy@....fr>
---
arch/powerpc/platforms/Kconfig.cputype | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype
index ed7c6edec87e..d174acb41389 100644
--- a/arch/powerpc/platforms/Kconfig.cputype
+++ b/arch/powerpc/platforms/Kconfig.cputype
@@ -145,6 +145,14 @@ config 860_CPU
bool "8xx family"
depends on PPC_8xx
+config E300C2_CPU
+ bool "e300c2 (832x)"
+ depends on PPC_BOOK3S_32
+
+config E300C3_CPU
+ bool "e300c3 (831x)"
+ depends on PPC_BOOK3S_32
+
endchoice
config SPECIAL_CPU_BOOL
@@ -161,6 +169,8 @@ config SPECIAL_CPU
default "power8" if POWER8_CPU
default "power9" if POWER9_CPU
default "860" if 860_CPU
+ default "e300c2" if E300C2_CPU
+ default "e300c3" if E300C3_CPU
config PPC_BOOK3S
def_bool y
--
2.13.3
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