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authorCatalin Marinas <catalin.marinas@arm.com>2008-04-19 01:43:17 +0400
committerCatalin Marinas <catalin.marinas@arm.com>2008-04-19 01:43:17 +0400
commitba9279519b371340e01cadf4c230e9d52a4bf8c4 (patch)
tree146b5d30f75554382d018be4877ea66f2d6ad64c /arch
parentbc02c58bd13cfaf5a9930d7f2ca4f7d5ed4fa807 (diff)
downloadlinux-ba9279519b371340e01cadf4c230e9d52a4bf8c4.tar.xz
Allow the L2X0 outer cache support to be configurable
By default, this option was selected by the platform Kconfig. This patch adds "depends on" to L2X0 so that it can be enabled/disabled manually. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/mach-realview/Kconfig3
-rw-r--r--arch/arm/mach-realview/realview_eb.c2
-rw-r--r--arch/arm/mach-realview/realview_pb1176.c2
-rw-r--r--arch/arm/mach-realview/realview_pb11mp.c2
-rw-r--r--arch/arm/mm/Kconfig6
5 files changed, 11 insertions, 4 deletions
diff --git a/arch/arm/mach-realview/Kconfig b/arch/arm/mach-realview/Kconfig
index eba1a8ce7354..5ccde7cf39e8 100644
--- a/arch/arm/mach-realview/Kconfig
+++ b/arch/arm/mach-realview/Kconfig
@@ -10,7 +10,6 @@ config MACH_REALVIEW_EB
config REALVIEW_EB_ARM11MP
bool "Support ARM11MPCore tile"
depends on MACH_REALVIEW_EB
- select CACHE_L2X0
help
Enable support for the ARM11MPCore tile on the Realview platform.
@@ -27,7 +26,6 @@ config REALVIEW_EB_ARM11MP_REVB
config MACH_REALVIEW_PB11MP
bool "Support RealView/PB11MPCore platform"
select ARM_GIC
- select CACHE_L2X0
help
Include support for the ARM(R) RealView MPCore Platform Baseboard.
PB11MPCore is a platform with an on-board ARM11MPCore and has
@@ -36,7 +34,6 @@ config MACH_REALVIEW_PB11MP
config MACH_REALVIEW_PB1176
bool "Support RealView/PB1176 platform"
select ARM_GIC
- select CACHE_L2X0
help
Include support for the ARM(R) RealView ARM1176 Platform Baseboard.
diff --git a/arch/arm/mach-realview/realview_eb.c b/arch/arm/mach-realview/realview_eb.c
index 247b55620477..5782d83fd886 100644
--- a/arch/arm/mach-realview/realview_eb.c
+++ b/arch/arm/mach-realview/realview_eb.c
@@ -365,9 +365,11 @@ static void __init realview_eb_init(void)
if (core_tile_eb11mp()) {
realview_eb11mp_fixup();
+#ifdef CONFIG_CACHE_L2X0
/* 1MB (128KB/way), 8-way associativity, evmon/parity/share enabled
* Bits: .... ...0 0111 1001 0000 .... .... .... */
l2x0_init(__io_address(REALVIEW_EB11MP_L220_BASE), 0x00790000, 0xfe000fff);
+#endif
}
clk_register(&realview_clcd_clk);
diff --git a/arch/arm/mach-realview/realview_pb1176.c b/arch/arm/mach-realview/realview_pb1176.c
index 4e6731098e5b..cf7f576a5860 100644
--- a/arch/arm/mach-realview/realview_pb1176.c
+++ b/arch/arm/mach-realview/realview_pb1176.c
@@ -260,8 +260,10 @@ static void __init realview_pb1176_init(void)
{
int i;
+#ifdef CONFIG_CACHE_L2X0
/* 128Kb (16Kb/way) 8-way associativity. evmon/parity/share enabled. */
l2x0_init(__io_address(REALVIEW_PB1176_L220_BASE), 0x00730000, 0xfe000fff);
+#endif
clk_register(&realview_clcd_clk);
diff --git a/arch/arm/mach-realview/realview_pb11mp.c b/arch/arm/mach-realview/realview_pb11mp.c
index 7d1fa1fad5e4..f7ce1c5a178a 100644
--- a/arch/arm/mach-realview/realview_pb11mp.c
+++ b/arch/arm/mach-realview/realview_pb11mp.c
@@ -306,9 +306,11 @@ static void __init realview_pb11mp_init(void)
{
int i;
+#ifdef CONFIG_CACHE_L2X0
/* 1MB (128KB/way), 8-way associativity, evmon/parity/share enabled
* Bits: .... ...0 0111 1001 0000 .... .... .... */
l2x0_init(__io_address(REALVIEW_TC11MP_L220_BASE), 0x00790000, 0xfe000fff);
+#endif
clk_register(&realview_clcd_clk);
diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig
index f405435fe64e..3696f4fe45de 100644
--- a/arch/arm/mm/Kconfig
+++ b/arch/arm/mm/Kconfig
@@ -701,5 +701,9 @@ config OUTER_CACHE
default n
config CACHE_L2X0
- bool
+ bool "Enable the L2x0 outer cache controller"
+ depends on REALVIEW_EB_ARM11MP || MACH_REALVIEW_PB11MP || MACH_REALVIEW_PB1176
+ default y
select OUTER_CACHE
+ help
+ This option enables the L2x0 PrimeCell.