diff options
| author | Dmitry Torokhov <dtor@insightbb.com> | 2007-05-08 01:31:11 -0400 |
|---|---|---|
| committer | Dmitry Torokhov <dtor@insightbb.com> | 2007-05-08 01:31:11 -0400 |
| commit | 334d0dd8b660557608142f0f77abc6812b48f08b (patch) | |
| tree | 9393a9aa099d7d42deda5f9f5054796c0c769be7 /arch/sh/kernel/cpu/init.c | |
| parent | 3f07d8796262f6aee135c8dd9a91210da9f888e4 (diff) | |
| parent | 5b94f675f57e4ff16c8fda09088d7480a84dcd91 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'arch/sh/kernel/cpu/init.c')
| -rw-r--r-- | arch/sh/kernel/cpu/init.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/sh/kernel/cpu/init.c b/arch/sh/kernel/cpu/init.c index 726acfcb9b77..6451ad630174 100644 --- a/arch/sh/kernel/cpu/init.c +++ b/arch/sh/kernel/cpu/init.c @@ -41,6 +41,23 @@ __setup("no" __stringify(x), x##_setup); onchip_setup(fpu); onchip_setup(dsp); +#ifdef CONFIG_SPECULATIVE_EXECUTION +#define CPUOPM 0xff2f0000 +#define CPUOPM_RABD (1 << 5) + +static void __init speculative_execution_init(void) +{ + /* Clear RABD */ + ctrl_outl(ctrl_inl(CPUOPM) & ~CPUOPM_RABD, CPUOPM); + + /* Flush the update */ + (void)ctrl_inl(CPUOPM); + ctrl_barrier(); +} +#else +#define speculative_execution_init() do { } while (0) +#endif + /* * Generic first-level cache init */ @@ -261,4 +278,6 @@ asmlinkage void __init sh_cpu_init(void) */ ubc_wakeup(); #endif + + speculative_execution_init(); } |