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[RFC,4/6] arm: mvebu: add L2 cache support

Message ID 1344438307-8468-5-git-send-email-gregory.clement@free-electrons.com (mailing list archive)
State New, archived
Headers show

Commit Message

Gregory CLEMENT Aug. 8, 2012, 3:05 p.m. UTC 
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Olof Johansson <olof@lixom.net>
---
 arch/arm/mach-mvebu/Kconfig             |    1 +
 arch/arm/mach-mvebu/irq-armada-370-xp.c |    4 ++++
 2 files changed, 5 insertions(+)
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Patch

diff --git a/arch/arm/mach-mvebu/Kconfig b/arch/arm/mach-mvebu/Kconfig
index caa2c5e..e20c5e9 100644
--- a/arch/arm/mach-mvebu/Kconfig
+++ b/arch/arm/mach-mvebu/Kconfig
@@ -6,6 +6,7 @@  config MACH_ARMADA_370_XP
 	bool "Marvell Armada 370 and Aramada XP boards"
 	select ARMADA_370_XP_TIMER
 	select CPU_V7
+	select CACHE_L2X0
 	help
 
 	  Say 'Y' here if you want your kernel to support boards based on
diff --git a/arch/arm/mach-mvebu/irq-armada-370-xp.c b/arch/arm/mach-mvebu/irq-armada-370-xp.c
index 5f5f939..570be84 100644
--- a/arch/arm/mach-mvebu/irq-armada-370-xp.c
+++ b/arch/arm/mach-mvebu/irq-armada-370-xp.c
@@ -24,6 +24,7 @@ 
 #include <linux/irqdomain.h>
 #include <asm/mach/arch.h>
 #include <asm/exception.h>
+#include <asm/hardware/cache-l2x0.h>
 
 /* Interrupt Controller Registers Map */
 #define ARMADA_370_XP_INT_SET_MASK_OFFS		(0x48)
@@ -130,4 +131,7 @@  static const struct of_device_id mpic_of_match[] __initconst = {
 void __init armada_370_xp_init_irq(void)
 {
 	of_irq_init(mpic_of_match);
+#ifdef CONFIG_CACHE_L2X0
+	l2x0_of_init(0, ~0UL);
+#endif
 }