linux-kernel - [PATCH 2/3] powerpc: Allow CPU selection also on PPC32

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Message-Id: <7268fb263b855d2773b387ad4cfe7e29b4f43e80.1528365638.git.christophe.leroy@c-s.fr>
Date:   Thu,  7 Jun 2018 10:10:20 +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 2/3] powerpc: Allow CPU selection also on PPC32

This patch extends to PPC32 the capability to select the exact
CPU type.

Signed-off-by: Christophe Leroy <christophe.leroy@....fr>
---
 arch/powerpc/platforms/Kconfig.cputype | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype
index 71ef559cc474..ed7c6edec87e 100644
--- a/arch/powerpc/platforms/Kconfig.cputype
+++ b/arch/powerpc/platforms/Kconfig.cputype
@@ -86,7 +86,6 @@ endchoice
 
 choice
 	prompt "CPU selection"
-	depends on PPC64
 	default GENERIC_CPU
 	help
 	  This will create a kernel which is optimised for a particular CPU.
@@ -96,13 +95,17 @@ choice
 
 config GENERIC_CPU
 	bool "Generic (POWER4 and above)"
-	depends on !CPU_LITTLE_ENDIAN
+	depends on PPC64 && !CPU_LITTLE_ENDIAN
 
 config GENERIC_CPU
 	bool "Generic (POWER8 and above)"
-	depends on CPU_LITTLE_ENDIAN
+	depends on PPC64 && CPU_LITTLE_ENDIAN
 	select ARCH_HAS_FAST_MULTIPLIER
 
+config GENERIC_CPU
+	bool "Generic 32 bits powerpc"
+	depends on PPC32 && !PPC_8xx
+
 config CELL_CPU
 	bool "Cell Broadband Engine"
 	depends on PPC_BOOK3S_64 && !CPU_LITTLE_ENDIAN
@@ -138,6 +141,10 @@ config E6500_CPU
 	bool "Freescale e6500"
 	depends on E500
 
+config 860_CPU
+	bool "8xx family"
+	depends on PPC_8xx
+
 endchoice
 
 config SPECIAL_CPU_BOOL
@@ -153,7 +160,7 @@ config SPECIAL_CPU
 	default "power7" if POWER7_CPU
 	default "power8" if POWER8_CPU
 	default "power9" if POWER9_CPU
-	default "860" if PPC_8xx
+	default "860" if 860_CPU
 
 config PPC_BOOK3S
 	def_bool y
-- 
2.13.3