linux-kernel - [PATCH v2,1/5] powerpc: 85xx: make FSL_85XX_CACHE

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Message-Id: <20200415152442.122873-2-wenhu.wang@vivo.com>
Date:   Wed, 15 Apr 2020 08:24:38 -0700
From:   Wang Wenhu <wenhu.wang@...o.com>
To:     gregkh@...uxfoundation.org, linux-kernel@...r.kernel.org,
        oss@...error.net, christophe.leroy@....fr,
        linuxppc-dev@...ts.ozlabs.org
Cc:     kernel@...o.com, Wang Wenhu <wenhu.wang@...o.com>,
        Michael Ellerman <mpe@...erman.id.au>
Subject: [PATCH v2,1/5] powerpc: 85xx: make FSL_85XX_CACHE_SRAM configurable

Enable FSL_85XX_CACHE_SRAM selection. On e500 platforms, the cache
could be configured and used as a piece of SRAM which is hignly
friendly for some user level application performances.

Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: Christophe Leroy <christophe.leroy@....fr>
Cc: Scott Wood <oss@...error.net>
Cc: Michael Ellerman <mpe@...erman.id.au>
Cc: linuxppc-dev@...ts.ozlabs.org
Signed-off-by: Wang Wenhu <wenhu.wang@...o.com>
---
Changes since v1:
 * None
---
 arch/powerpc/platforms/85xx/Kconfig    | 2 +-
 arch/powerpc/platforms/Kconfig.cputype | 5 +++--
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/arch/powerpc/platforms/85xx/Kconfig b/arch/powerpc/platforms/85xx/Kconfig
index fa3d29dcb57e..6debb4f1b9cc 100644
--- a/arch/powerpc/platforms/85xx/Kconfig
+++ b/arch/powerpc/platforms/85xx/Kconfig
@@ -17,7 +17,7 @@ if FSL_SOC_BOOKE
 if PPC32
 
 config FSL_85XX_CACHE_SRAM
-	bool
+	bool "Freescale 85xx Cache-Sram"
 	select PPC_LIB_RHEAP
 	help
 	  When selected, this option enables cache-sram support
diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype
index 0c3c1902135c..1921e9a573e8 100644
--- a/arch/powerpc/platforms/Kconfig.cputype
+++ b/arch/powerpc/platforms/Kconfig.cputype
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0
 config PPC32
-	bool
+	bool "32-bit kernel"
 	default y if !PPC64
 	select KASAN_VMALLOC if KASAN && MODULES
 
@@ -15,6 +15,7 @@ config PPC_BOOK3S_32
 	bool
 
 menu "Processor support"
+
 choice
 	prompt "Processor Type"
 	depends on PPC32
@@ -211,9 +212,9 @@ config PPC_BOOK3E
 	depends on PPC_BOOK3E_64
 
 config E500
+	bool "e500 Support"
 	select FSL_EMB_PERFMON
 	select PPC_FSL_BOOK3E
-	bool
 
 config PPC_E500MC
 	bool "e500mc Support"
-- 
2.17.1