X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Fasm-m68knommu%2Fmcfcache.h;h=9cb4014218351515226443804a96e73768ac17a6;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=bdd8c53ef34ce171ca6117a5c99f6f6948316e77;hpb=cee37fe97739d85991964371c1f3a745c00dd236;p=linux-2.6.git diff --git a/include/asm-m68knommu/mcfcache.h b/include/asm-m68knommu/mcfcache.h index bdd8c53ef..9cb401421 100644 --- a/include/asm-m68knommu/mcfcache.h +++ b/include/asm-m68knommu/mcfcache.h @@ -33,7 +33,7 @@ .endm #endif /* CONFIG_M5206 || CONFIG_M5206e || CONFIG_M5272 */ -#if defined(CONFIG_M527x) +#if defined(CONFIG_M523x) || defined(CONFIG_M527x) /* * New version 2 cores have a configurable split cache arrangement. * For now I am just enabling instruction cache - but ultimately I @@ -51,23 +51,20 @@ movec %d0,%CACR /* enable cache */ nop .endm -#endif /* CONFIG_M527x */ +#endif /* CONFIG_M523x || CONFIG_M527x */ #if defined(CONFIG_M528x) -/* - * Cache is totally broken on early 5282 silicon. So far now we - * disable its cache all together. - */ .macro CACHE_ENABLE - movel #0x01000000,%d0 - movec %d0,%CACR /* invalidate cache */ nop - movel #0x0000c000,%d0 /* set SDRAM cached only */ - movec %d0,%ACR0 - movel #0x00000000,%d0 /* no other regions cached */ - movec %d0,%ACR1 - movel #0x00000000,%d0 /* configure cache */ - movec %d0,%CACR /* enable cache */ + movel #0x01000000, %d0 + movec %d0, %CACR /* Invalidate cache */ + nop + movel #0x0000c020, %d0 /* Set SDRAM cached only */ + movec %d0, %ACR0 + movel #0xff00c000, %d0 /* Cache Flash also */ + movec %d0, %ACR1 + movel #0x80000200, %d0 /* Setup cache mask */ + movec %d0, %CACR /* Enable cache */ nop .endm #endif /* CONFIG_M528x */ @@ -120,6 +117,20 @@ .endm #endif /* CONFIG_M5407 */ +#if defined(CONFIG_M520x) +.macro CACHE_ENABLE + move.l #0x01000000,%d0 /* invalidate whole cache */ + movec %d0,%CACR + nop + move.l #0x0000c000,%d0 /* set SDRAM cached (write-thru) */ + movec %d0,%ACR0 + move.l #0x00000000,%d0 /* no other regions cached */ + movec %d0,%ACR1 + move.l #0x80400000,%d0 /* enable 8K instruction cache */ + movec %d0,%CACR + nop +.endm +#endif /* CONFIG_M520x */ /****************************************************************************/ #endif /* __M68KNOMMU_MCFCACHE_H */