diff options
| author | Paul Mackerras <paulus@samba.org> | 2006-03-29 13:24:50 +1100 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2006-03-29 13:24:50 +1100 |
| commit | bac30d1a78d0f11c613968fc8b351a91ed465386 (patch) | |
| tree | e52f3c876522a2f6047a6ec1c27df2e8a79486b8 /include/asm-arm/system.h | |
| parent | e8222502ee6157e2713da9e0792c21f4ad458d50 (diff) | |
| parent | ca9ba4471c1203bb6e759b76e83167fec54fe590 (diff) | |
Merge ../linux-2.6
Diffstat (limited to 'include/asm-arm/system.h')
| -rw-r--r-- | include/asm-arm/system.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/include/asm-arm/system.h b/include/asm-arm/system.h index ec91d1ff032..95b3abf4851 100644 --- a/include/asm-arm/system.h +++ b/include/asm-arm/system.h @@ -108,6 +108,25 @@ extern void __show_regs(struct pt_regs *); extern int cpu_architecture(void); extern void cpu_init(void); +/* + * Intel's XScale3 core supports some v6 features (supersections, L2) + * but advertises itself as v5 as it does not support the v6 ISA. For + * this reason, we need a way to explicitly test for this type of CPU. + */ +#ifndef CONFIG_CPU_XSC3 +#define cpu_is_xsc3() 0 +#else +static inline int cpu_is_xsc3(void) +{ + extern unsigned int processor_id; + + if ((processor_id & 0xffffe000) == 0x69056000) + return 1; + + return 0; +} +#endif + #define set_cr(x) \ __asm__ __volatile__( \ "mcr p15, 0, %0, c1, c0, 0 @ set CR" \ |