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| author | Alexey Brodkin <abrodkin@synopsys.com> | 2015-02-03 13:58:12 +0300 |
|---|---|---|
| committer | Alexey Brodkin <abrodkin@synopsys.com> | 2015-02-09 16:41:20 +0300 |
| commit | 5ff40f3d4226d45c78f3bb9db276f6685b24a89a (patch) | |
| tree | 81130e1aa3f26a3f7ee5c66b81acd1fca1bf29f6 /arch/arc | |
| parent | 812980bdd6c9112014f3946d1cb2728a2121ba34 (diff) | |
| download | u-boot-imx-5ff40f3d4226d45c78f3bb9db276f6685b24a89a.zip u-boot-imx-5ff40f3d4226d45c78f3bb9db276f6685b24a89a.tar.gz u-boot-imx-5ff40f3d4226d45c78f3bb9db276f6685b24a89a.tar.bz2 | |
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 <abrodkin@synopsys.com>
Diffstat (limited to 'arch/arc')
| -rw-r--r-- | arch/arc/include/asm/arcregs.h | 4 | ||||
| -rw-r--r-- | arch/arc/lib/cache.c | 6 |
2 files changed, 5 insertions, 5 deletions
diff --git a/arch/arc/include/asm/arcregs.h b/arch/arc/include/asm/arcregs.h index 31627e6..6a36a81 100644 --- a/arch/arc/include/asm/arcregs.h +++ b/arch/arc/include/asm/arcregs.h @@ -23,7 +23,7 @@ #define ARC_AUX_IC_IVIC 0x10 #define ARC_AUX_IC_CTRL 0x11 #define ARC_AUX_IC_IVIL 0x19 -#if (CONFIG_ARC_MMU_VER > 2) +#if (CONFIG_ARC_MMU_VER == 3) #define ARC_AUX_IC_PTAG 0x1E #endif #define ARC_BCR_IC_BUILD 0x77 @@ -42,7 +42,7 @@ #define ARC_AUX_DC_IVDL 0x4A #define ARC_AUX_DC_FLSH 0x4B #define ARC_AUX_DC_FLDL 0x4C -#if (CONFIG_ARC_MMU_VER > 2) +#if (CONFIG_ARC_MMU_VER == 3) #define ARC_AUX_DC_PTAG 0x5C #endif #define ARC_BCR_DC_BUILD 0x72 diff --git a/arch/arc/lib/cache.c b/arch/arc/lib/cache.c index fa19a13..fa2a1e7 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); |