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| author | Kuninori Morimoto <morimoto.kuninori@renesas.com> | 2009-06-02 02:49:28 +0000 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2009-06-02 12:12:59 +0900 |
| commit | 138f025267dcc07d5e7d0bb1f20e9a6b5f2fdcf7 (patch) | |
| tree | 197c46d9d22635e2208c9050de63bc788ec74042 /arch/sh/kernel | |
| parent | b4bd9eb0d8f5c20f942ff037c8a7939f69cb188a (diff) | |
| download | kernel_samsung_tuna-138f025267dcc07d5e7d0bb1f20e9a6b5f2fdcf7.zip kernel_samsung_tuna-138f025267dcc07d5e7d0bb1f20e9a6b5f2fdcf7.tar.gz kernel_samsung_tuna-138f025267dcc07d5e7d0bb1f20e9a6b5f2fdcf7.tar.bz2 | |
sh: sh7723: L2 cache initialization.
Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/kernel')
| -rw-r--r-- | arch/sh/kernel/cpu/sh4a/setup-sh7723.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7723.c b/arch/sh/kernel/cpu/sh4a/setup-sh7723.c index 04cb4aa..d8f4a13 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-sh7723.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7723.c @@ -14,6 +14,7 @@ #include <linux/serial_sci.h> #include <linux/uio_driver.h> #include <linux/sh_timer.h> +#include <linux/io.h> #include <asm/clock.h> #include <asm/mmzone.h> @@ -485,6 +486,15 @@ void __init plat_early_device_setup(void) ARRAY_SIZE(sh7723_early_devices)); } +#define RAMCR_CACHE_L2FC 0x0002 +#define RAMCR_CACHE_L2E 0x0001 +#define L2_CACHE_ENABLE (RAMCR_CACHE_L2E|RAMCR_CACHE_L2FC) +void __uses_jump_to_uncached l2_cache_init(void) +{ + /* Enable L2 cache */ + ctrl_outl(L2_CACHE_ENABLE, RAMCR); +} + enum { UNUSED=0, |