diff options
Diffstat (limited to 'arch/blackfin/mach-common')
| -rw-r--r-- | arch/blackfin/mach-common/cache.S | 20 | ||||
| -rw-r--r-- | arch/blackfin/mach-common/smp.c | 4 |
2 files changed, 24 insertions, 0 deletions
diff --git a/arch/blackfin/mach-common/cache.S b/arch/blackfin/mach-common/cache.S index 85aadeb7665..9f4dd35bfd7 100644 --- a/arch/blackfin/mach-common/cache.S +++ b/arch/blackfin/mach-common/cache.S @@ -69,10 +69,30 @@ #endif /* Invalidate all instruction cache lines assocoiated with this memory area */ +#ifdef CONFIG_SMP +# define _blackfin_icache_flush_range _blackfin_icache_flush_range_l1 +#endif ENTRY(_blackfin_icache_flush_range) do_flush IFLUSH ENDPROC(_blackfin_icache_flush_range) +#ifdef CONFIG_SMP +.text +# undef _blackfin_icache_flush_range +ENTRY(_blackfin_icache_flush_range) + p0.L = LO(DSPID); + p0.H = HI(DSPID); + r3 = [p0]; + r3 = r3.b (z); + p2 = r3; + p0.L = _blackfin_iflush_l1_entry; + p0.H = _blackfin_iflush_l1_entry; + p0 = p0 + (p2 << 2); + p1 = [p0]; + jump (p1); +ENDPROC(_blackfin_icache_flush_range) +#endif + #ifdef CONFIG_DCACHE_FLUSH_L1 .section .l1.text #else diff --git a/arch/blackfin/mach-common/smp.c b/arch/blackfin/mach-common/smp.c index 5f7617d6690..6e17a265c4d 100644 --- a/arch/blackfin/mach-common/smp.c +++ b/arch/blackfin/mach-common/smp.c @@ -40,6 +40,10 @@ */ struct corelock_slot corelock __attribute__ ((__section__(".l2.bss"))); +#ifdef CONFIG_ICACHE_FLUSH_L1 +unsigned long blackfin_iflush_l1_entry[NR_CPUS]; +#endif + void __cpuinitdata *init_retx_coreb, *init_saved_retx_coreb, *init_saved_seqstat_coreb, *init_saved_icplb_fault_addr_coreb, *init_saved_dcplb_fault_addr_coreb; |