core support for Freescale mx31

[u-boot] / lib_blackfin / bf533_string.c

diff --git a/lib_blackfin/bf533_string.c b/lib_blackfin/bf533_string.c
index 85b115076afd863f0794c80aa870d72a649da639..9ceeeef80c4dce8057ffb7d940938d221687a1ca 100644 (file)
--- a/lib_blackfin/bf533_string.c
+++ b/lib_blackfin/bf533_string.c
@@ -1,7 +1,7 @@
 /*
  * U-boot - bf533_string.c Contains library routines.
  *
- * Copyright (c) 2005 blackfin.uclinux.org
+ * Copyright (c) 2005-2007 Analog Devices Inc.
  *
  * (C) Copyright 2000-2004
  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
@@ -21,22 +21,16 @@
  *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
+ * MA 02110-1301 USA
  */
 
 #include <common.h>
-#include <asm/setup.h>
-#include <asm/page.h>
 #include <config.h>
 #include <asm/blackfin.h>
 #include <asm/io.h>
-
-extern void blackfin_icache_flush_range(const void *, const void *);
-extern void blackfin_dcache_flush_range(const void *, const void *);
-extern void *memcpy_ASM(void *dest, const void *src, size_t count);
-
-void *dma_memcpy(void *, const void *, size_t);
+#include "cache.h"
+#include <asm/mach-common/bits/dma.h>
 
 char *strcpy(char *dest, const char *src)
 {
@@ -118,44 +112,20 @@ int strncmp(const char *cs, const char *ct, size_t count)
        return __res1;
 }
 
-/*
- * memcpy - Copy one area of memory to another
- * @dest: Where to copy to
- * @src: Where to copy from
- * @count: The size of the area.
- *
- * You should not use this function to access IO space, use memcpy_toio()
- * or memcpy_fromio() instead.
- */
-void *memcpy(void *dest, const void *src, size_t count)
-{
-       char *tmp = (char *)dest, *s = (char *)src;
-
-       /* L1_ISRAM can only be accessed via dma */
-       if ((tmp >= (char *)L1_ISRAM) && (tmp < (char *)L1_ISRAM_END)) {
-               /* L1 is the destination */
-               dma_memcpy(dest, src, count);
-
-               if (icache_status()) {
-                       blackfin_icache_flush_range(src, src + count);
-               }
-       } else if ((s >= (char *)L1_ISRAM) && (s < (char *)L1_ISRAM_END)) {
-               /* L1 is the source */
-               dma_memcpy(dest, src, count);
-
-               if (icache_status()) {
-                       blackfin_icache_flush_range(dest, dest + count);
-               }
-               if (dcache_status()) {
-                       blackfin_dcache_flush_range(dest, dest + count);
-               }
-       } else {
-               memcpy_ASM(dest, src, count);
-       }
-       return dest;
-}
-
-void *dma_memcpy(void *dest, const void *src, size_t count)
+#ifndef pMDMA_D0_IRQ_STATUS
+# define pMDMA_D0_IRQ_STATUS pMDMA1_D0_IRQ_STATUS
+# define pMDMA_D0_START_ADDR pMDMA1_D0_START_ADDR
+# define pMDMA_D0_X_COUNT    pMDMA1_D0_X_COUNT
+# define pMDMA_D0_X_MODIFY   pMDMA1_D0_X_MODIFY
+# define pMDMA_D0_CONFIG     pMDMA1_D0_CONFIG
+# define pMDMA_S0_IRQ_STATUS pMDMA1_S0_IRQ_STATUS
+# define pMDMA_S0_START_ADDR pMDMA1_S0_START_ADDR
+# define pMDMA_S0_X_COUNT    pMDMA1_S0_X_COUNT
+# define pMDMA_S0_X_MODIFY   pMDMA1_S0_X_MODIFY
+# define pMDMA_S0_CONFIG     pMDMA1_S0_CONFIG
+#endif
+
+static void *dma_memcpy(void *dest, const void *src, size_t count)
 {
        *pMDMA_D0_IRQ_STATUS = DMA_DONE | DMA_ERR;
 
@@ -176,7 +146,7 @@ void *dma_memcpy(void *dest, const void *src, size_t count)
 
        /* Enable source DMA */
        *pMDMA_S0_CONFIG = (DMAEN);
-       sync();
+       SSYNC();
 
        *pMDMA_D0_CONFIG = (WNR | DMAEN);
 
@@ -189,3 +159,40 @@ void *dma_memcpy(void *dest, const void *src, size_t count)
        src += count;
        return dest;
 }
+
+/*
+ * memcpy - Copy one area of memory to another
+ * @dest: Where to copy to
+ * @src: Where to copy from
+ * @count: The size of the area.
+ *
+ * You should not use this function to access IO space, use memcpy_toio()
+ * or memcpy_fromio() instead.
+ */
+extern void *memcpy_ASM(void *dest, const void *src, size_t count);
+void *memcpy(void *dest, const void *src, size_t count)
+{
+       char *tmp = (char *) dest, *s = (char *) src;
+
+       if (dcache_status()) {
+               blackfin_dcache_flush_range(src, src+count);
+       }
+       /* L1_INST_SRAM can only be accessed via dma */
+       if ((tmp >= (char *)L1_INST_SRAM) && (tmp < (char *)L1_INST_SRAM_END)) {
+               /* L1 is the destination */
+               dma_memcpy(dest,src,count);
+       } else if ((s >= (char *)L1_INST_SRAM) && (s < (char *)L1_INST_SRAM_END)) {
+               /* L1 is the source */
+               dma_memcpy(dest,src,count);
+
+               if (icache_status()) {
+                       blackfin_icache_flush_range(dest, dest+count);
+               }
+               if (dcache_status()) {
+                       blackfin_dcache_invalidate_range(dest, dest+count);
+               }
+       } else {
+               memcpy_ASM(dest,src,count);
+       }
+       return dest;
+}