M:Robe 500 - Enable ASM optimized ATA interface improving disk access speed.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@23572 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 9 insertions, 0 deletions

diff --git a/firmware/target/arm/tms320dm320/mrobe-500/ata-target.h b/firmware/target/arm/tms320dm320/mrobe-500/ata-target.h
index 4d0e0433c5..2a9d3e8010 100644
--- a/firmware/target/arm/tms320dm320/mrobe-500/ata-target.h
+++ b/firmware/target/arm/tms320dm320/mrobe-500/ata-target.h
@@ -22,9 +22,18 @@
 #ifndef ATA_TARGET_H
 #define ATA_TARGET_H
 
+#if 0
 /* Plain C read & write loops */
 #define PREFER_C_READING
 #define PREFER_C_WRITING
+#else
+/* ASM optimized reading and writing */
+#define ATA_OPTIMIZED_READING
+#define ATA_OPTIMIZED_WRITING
+
+void copy_read_sectors(const unsigned char* buf, int wordcount);
+void copy_write_sectors(const unsigned char* buf, int wordcount);
+#endif
 
 #define ATA_IOBASE      0x50000000
 #define REGISTER_OFFSET (ATA_IOBASE+0x00400000) /* A21 = High */