split AU1X00 specific code from cmd_ide.c

move special case of ide_swap_read() for AU1X00 SoC into SoC-specific directory.

Signed-off-by: Pavel Herrmann <morpheus.ibis@gmail.com>

arch/mips/cpu/mips32/au1x00/Makefile

@@ -25,7 +25,7 @@ include $(TOPDIR)/config.mk
 
 LIB	= $(obj)lib$(SOC).o
 
-COBJS	= au1x00_eth.o au1x00_serial.o au1x00_usb_ohci.o
+COBJS	= au1x00_eth.o au1x00_serial.o au1x00_usb_ohci.o au1x00_ide.o
 
 SRCS	:= $(COBJS:.o=.c)
 OBJS	:= $(addprefix $(obj),$(COBJS))

arch/mips/cpu/mips32/au1x00/au1x00_ide.c

+/*
+ * (C) Copyright 2000-2011
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * 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
+ *
+ */
+
+#include <common.h>
+#include <ide.h>
+
+/* AU1X00 swaps data in big-endian mode, enforce little-endian function */
+void ide_input_swap_data(int dev, ulong *sect_buf, int words)
+{
+	ide_input_data(dev, sect_buf, words);
+}

common/cmd_ide.c

@@ -503,8 +503,7 @@ void ide_output_data(int dev, const ulong *sect_buf, int words)
 	__attribute__ ((weak, alias("__ide_output_data")));
 
 /* We only need to swap data if we are running on a big endian cpu. */
-/* But Au1x00 cpu:s already swaps data in big endian mode! */
-#if defined(__LITTLE_ENDIAN) || defined(CONFIG_SOC_AU1X00)
+#if defined(__LITTLE_ENDIAN)
 void __ide_input_swap_data(int dev, ulong *sect_buf, int words)
 {
 	ide_input_data(dev, sect_buf, words);
@@ -532,7 +531,7 @@ void __ide_input_swap_data(int dev, ulong *sect_buf, int words)
 #endif /* !MIPS */
 	}
 }
-#endif /* __LITTLE_ENDIAN || CONFIG_AU1X00 */
+#endif /* __LITTLE_ENDIAN */
 
 
 #if defined(CONFIG_IDE_SWAP_IO)