Move icache entire operation to separate function as we are planing to use it in another places (like sync_icache_dcache_all)
Signed-off-by: Eugeniy Paltsev Eugeniy.Paltsev@synopsys.com --- arch/arc/lib/cache.c | 31 +++++++++++++++++++------------ 1 file changed, 19 insertions(+), 12 deletions(-)
diff --git a/arch/arc/lib/cache.c b/arch/arc/lib/cache.c index 04f1d9d59b..26f0a1ff9b 100644 --- a/arch/arc/lib/cache.c +++ b/arch/arc/lib/cache.c @@ -315,20 +315,27 @@ void icache_disable(void) IC_CTRL_CACHE_DISABLE); }
-void invalidate_icache_all(void) +/* IC supports only invalidation */ +static inline void __ic_entire_invalidate(void) { + if (!icache_status()) + return; + /* Any write to IC_IVIC register triggers invalidation of entire I$ */ - if (icache_status()) { - write_aux_reg(ARC_AUX_IC_IVIC, 1); - /* - * As per ARC HS databook (see chapter 5.3.3.2) - * it is required to add 3 NOPs after each write to IC_IVIC. - */ - __builtin_arc_nop(); - __builtin_arc_nop(); - __builtin_arc_nop(); - read_aux_reg(ARC_AUX_IC_CTRL); /* blocks */ - } + write_aux_reg(ARC_AUX_IC_IVIC, 1); + /* + * As per ARC HS databook (see chapter 5.3.3.2) + * it is required to add 3 NOPs after each write to IC_IVIC. + */ + __builtin_arc_nop(); + __builtin_arc_nop(); + __builtin_arc_nop(); + read_aux_reg(ARC_AUX_IC_CTRL); /* blocks */ +} + +void invalidate_icache_all(void) +{ + __ic_entire_invalidate();
#ifdef CONFIG_ISA_ARCV2 if (slc_exists)