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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2009-02-08 02:00:50 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2009-03-13 10:34:29 +0100 |
| commit | cb88214d726b337d49c1f65cbc5e5ac85837b11b (patch) | |
| tree | 286cb0b63eeb16c4c3f3f728813cabc2298dc730 /arch | |
| parent | 9536ff33619e13fcc4bd16354faea97dba244f73 (diff) | |
| download | op-kernel-dev-cb88214d726b337d49c1f65cbc5e5ac85837b11b.zip op-kernel-dev-cb88214d726b337d49c1f65cbc5e5ac85837b11b.tar.gz | |
[ARM] MX31/MX35: Add l2x0 cache support
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-mx3/mm.c | 27 | ||||
| -rw-r--r-- | arch/arm/mm/Kconfig | 3 |
2 files changed, 28 insertions, 2 deletions
diff --git a/arch/arm/mach-mx3/mm.c b/arch/arm/mach-mx3/mm.c index 0589b5c..44fcb66 100644 --- a/arch/arm/mach-mx3/mm.c +++ b/arch/arm/mach-mx3/mm.c @@ -22,10 +22,14 @@ #include <linux/mm.h> #include <linux/init.h> -#include <mach/hardware.h> +#include <linux/err.h> + #include <asm/pgtable.h> #include <asm/mach/map.h> +#include <asm/hardware/cache-l2x0.h> + #include <mach/common.h> +#include <mach/hardware.h> /*! * @file mm.c @@ -62,3 +66,24 @@ void __init mxc_map_io(void) { iotable_init(mxc_io_desc, ARRAY_SIZE(mxc_io_desc)); } + +#ifdef CONFIG_CACHE_L2X0 +static int mxc_init_l2x0(void) +{ + void __iomem *l2x0_base; + + l2x0_base = ioremap(L2CC_BASE_ADDR, 4096); + if (IS_ERR(l2x0_base)) { + printk(KERN_ERR "remapping L2 cache area failed with %ld\n", + PTR_ERR(l2x0_base)); + return 0; + } + + l2x0_init(l2x0_base, 0x00030024, 0x00000000); + + return 0; +} + +arch_initcall(mxc_init_l2x0); +#endif + diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig index d490f37..0d8581f 100644 --- a/arch/arm/mm/Kconfig +++ b/arch/arm/mm/Kconfig @@ -704,7 +704,8 @@ config CACHE_FEROCEON_L2_WRITETHROUGH config CACHE_L2X0 bool "Enable the L2x0 outer cache controller" - depends on REALVIEW_EB_ARM11MP || MACH_REALVIEW_PB11MP || MACH_REALVIEW_PB1176 || REALVIEW_EB_A9MP + depends on REALVIEW_EB_ARM11MP || MACH_REALVIEW_PB11MP || MACH_REALVIEW_PB1176 || \ + REALVIEW_EB_A9MP || ARCH_MX35 || ARCH_MX31 default y select OUTER_CACHE help |
