X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Fasm-m68knommu%2Fmcfcache.h;h=9cb4014218351515226443804a96e73768ac17a6;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=136587b6ae60b2837b9aeffd3f27c60486a05675;hpb=87fc8d1bb10cd459024a742c6a10961fefcef18f;p=linux-2.6.git

diff --git a/include/asm-m68knommu/mcfcache.h b/include/asm-m68knommu/mcfcache.h
index 136587b6a..9cb401421 100644
--- a/include/asm-m68knommu/mcfcache.h
+++ b/include/asm-m68knommu/mcfcache.h
@@ -15,14 +15,14 @@
 
 /*
  *	The different ColdFire families have different cache arrangments.
- *	Everything from a small linstruction only cache, to configurable
+ *	Everything from a small instruction only cache, to configurable
  *	data and/or instruction cache, to unified instruction/data, to 
  *	harvard style separate instruction and data caches.
  */
 
 #if defined(CONFIG_M5206) || defined(CONFIG_M5206e) || defined(CONFIG_M5272)
 /*
- *	Simple verion 2 core cache. These have instruction cache only,
+ *	Simple version 2 core cache. These have instruction cache only,
  *	we just need to invalidate it and enable it.
  */
 .macro CACHE_ENABLE
@@ -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 */
@@ -98,7 +95,7 @@
 
 #if defined(CONFIG_M5407)
 /*
- *	Version 4 cores have a true hardvard style separate instruction
+ *	Version 4 cores have a true harvard style separate instruction
  *	and data cache. Invalidate and enable cache, also enable write
  *	buffers and branch accelerator.
  */
@@ -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 */