Make storage alignement use cache alignement macros

Introduce STORAGE_ALIGN_DOWN, STORAGE_PAD (using new CACHE_PAD) and
STORAGE_OVERLAP (using new CACHE_OVERLAP), make them useful only when
PROC_NEEDS_CACHEALIGN and STORAGE_NEEDS_ALIGN are defined

Modify PP and nano2g system-target.h accordingly

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@25336 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 5 insertions, 0 deletions

diff --git a/firmware/target/arm/system-target.h b/firmware/target/arm/system-target.h
index 764cd18d15..1422e6467a 100644
--- a/firmware/target/arm/system-target.h
+++ b/firmware/target/arm/system-target.h
@@ -22,6 +22,7 @@
 #ifndef SYSTEM_TARGET_H
 #define SYSTEM_TARGET_H
 
+#include "config.h"
 #include "system-arm.h"
 
 #ifdef CPU_PP
@@ -162,6 +163,10 @@ static inline void wake_core(int core)
 #define PROC_NEEDS_CACHEALIGN
 #define CACHEALIGN_BITS (4) /* 2^4 = 16 bytes */
 
+#if defined(CPU_PP502x) && defined(HAVE_ATA_DMA)
+#define NEEDS_STORAGE_ALIGN
+#endif
+
 /** cache functions **/
 #ifndef BOOTLOADER
 #define HAVE_CPUCACHE_INVALIDATE