IDE: - make ide_inb () and ide_outb () "weak", so boards can

define there own I/O functions.
          (Needed for the pcs440ep board).
        - The default I/O Functions are again 8 Bit accesses.
        - Added CONFIG_CMD_IDE for the pcs440ep Board.

Signed-off-by: Heiko Schocher <hs@denx.de>

include/asm-ppc/io.h

@@ -13,6 +13,9 @@
 #define SIO_CONFIG_RA   0x398
 #define SIO_CONFIG_RD   0x399
 
+#ifndef _IO_BASE
+#define _IO_BASE 0
+#endif
 
 #define readb(addr) in_8((volatile u8 *)(addr))
 #define writeb(b,addr) out_8((volatile u8 *)(addr), (b))

include/configs/pcs440ep.h

@@ -266,7 +266,10 @@
 #define CONFIG_CMD_DIAG
 #define CONFIG_CMD_EEPROM
 #define CONFIG_CMD_ELF
+#define CONFIG_CMD_EXT2
+#define CONFIG_CMD_FAT
 #define CONFIG_CMD_I2C
+#define CONFIG_CMD_IDE
 #define CONFIG_CMD_IRQ
 #define CONFIG_CMD_MII
 #define CONFIG_CMD_NET
@@ -274,12 +277,10 @@
 #define CONFIG_CMD_PCI
 #define CONFIG_CMD_PING
 #define CONFIG_CMD_REGINFO
+#define CONFIG_CMD_REISER
 #define CONFIG_CMD_SDRAM
-#define CONFIG_CMD_EXT2
-#define CONFIG_CMD_FAT
 #define CONFIG_CMD_USB
 
-
 #define CONFIG_SUPPORT_VFAT
 
 /*
@@ -488,10 +489,4 @@
 /* Offset for alternate registers	*/
 #define CFG_ATA_ALT_OFFSET	(0x0000)
 
-/* These addresses need to be shifted one place to the left
- * ( bus per_addr 20 -30 is connectsd on CF bus A10-A0)
- * These values are shifted
- */
-#define CFG_ATA_PORT_ADDR(port) ((port) << 1)
-
 #endif	/* __CONFIG_H */

include/ide.h

@@ -26,6 +26,8 @@
 
 #define	IDE_BUS(dev)	(dev >> 1)
 
+#define	ATA_CURR_BASE(dev)	(CFG_ATA_BASE_ADDR+ide_bus_offset[IDE_BUS(dev)])
+
 #ifdef CONFIG_IDE_LED
 
 /*