From 5ff40f3d4226d45c78f3bb9db276f6685b24a89a Mon Sep 17 00:00:00 2001 From: Alexey Brodkin Date: Tue, 3 Feb 2015 13:58:12 +0300 Subject: arc: define and use PTAG AUX regs for MMUv3 only DC_PTAG and IC_PTAG registers only exist in MMUv3. Signed-off-by: Alexey Brodkin --- arch/arc/lib/cache.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'arch/arc/lib') diff --git a/arch/arc/lib/cache.c b/arch/arc/lib/cache.c index fa19a13b7e..fa2a1e77a2 100644 --- a/arch/arc/lib/cache.c +++ b/arch/arc/lib/cache.c @@ -101,7 +101,7 @@ void flush_dcache_all(void) #ifndef CONFIG_SYS_DCACHE_OFF static void dcache_flush_line(unsigned addr) { -#if (CONFIG_ARC_MMU_VER > 2) +#if (CONFIG_ARC_MMU_VER == 3) write_aux_reg(ARC_AUX_DC_PTAG, addr); #endif write_aux_reg(ARC_AUX_DC_FLDL, addr); @@ -115,7 +115,7 @@ static void dcache_flush_line(unsigned addr) * Invalidate I$ for addresses range just flushed from D$. * If we try to execute data flushed above it will be valid/correct */ -#if (CONFIG_ARC_MMU_VER > 2) +#if (CONFIG_ARC_MMU_VER == 3) write_aux_reg(ARC_AUX_IC_PTAG, addr); #endif write_aux_reg(ARC_AUX_IC_IVIL, addr); @@ -145,7 +145,7 @@ void invalidate_dcache_range(unsigned long start, unsigned long end) end = end & (~(CONFIG_SYS_CACHELINE_SIZE - 1)); for (addr = start; addr <= end; addr += CONFIG_SYS_CACHELINE_SIZE) { -#if (CONFIG_ARC_MMU_VER > 2) +#if (CONFIG_ARC_MMU_VER == 3) write_aux_reg(ARC_AUX_DC_PTAG, addr); #endif write_aux_reg(ARC_AUX_DC_IVDL, addr); -- cgit v1.2.1