diff -purN u-boot-0.4.8/common/cmd_ide.c u-boot-0.4.8_new/common/cmd_ide.c
--- u-boot-0.4.8/common/cmd_ide.c	2003-07-01 23:07:07.000000000 +0200
+++ u-boot-0.4.8_new/common/cmd_ide.c	2003-10-09 00:06:50.000000000 +0200
@@ -42,8 +42,12 @@
 #ifdef CONFIG_STATUS_LED
 # include <status_led.h>
 #endif
-#ifdef __I386__
+#ifndef __PPC__
 #include <asm/io.h>
+#ifdef __MIPS__
+/* Macros depend on this variable */
+static unsigned long mips_io_port_base = 0;
+#endif
 #endif
 
 #ifdef CONFIG_SHOW_BOOT_PROGRESS
@@ -116,9 +120,8 @@ ulong ide_bus_offset[CFG_IDE_MAXBUS] = {
 #endif
 };
 
-#ifdef __PPC__
+
 #define	ATA_CURR_BASE(dev)	(CFG_ATA_BASE_ADDR+ide_bus_offset[IDE_BUS(dev)])
-#endif
 
 #ifndef CONFIG_AMIGAONEG3SE
 static int	    ide_bus_ok[CFG_IDE_MAXBUS];
@@ -763,7 +766,7 @@ ide_outb(int dev, int port, unsigned cha
 static void __inline__
 ide_outb(int dev, int port, unsigned char val)
 {
-	outb(val, port);
+	outb(val, ATA_CURR_BASE(dev)+port);
 }
 #endif	/* __PPC__ */
 
@@ -785,7 +788,7 @@ ide_inb(int dev, int port)
 static unsigned char __inline__
 ide_inb(int dev, int port)
 {
-	return inb(port);
+  return inb(ATA_CURR_BASE(dev)+port);
 }
 #endif	/* __PPC__ */
 
@@ -846,7 +849,7 @@ output_data(int dev, ulong *sect_buf, in
 static void
 output_data(int dev, ulong *sect_buf, int words)
 {
-	outsw(ATA_DATA_REG, sect_buf, words<<1);
+	outsw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, words<<1);
 }
 #endif	/* __PPC__ */
 
@@ -870,7 +873,7 @@ input_data(int dev, ulong *sect_buf, int
 static void
 input_data(int dev, ulong *sect_buf, int words)
 {
-	insw(ATA_DATA_REG, sect_buf, words << 1);
+	insw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, words << 1);
 }
 
 #endif	/* __PPC__ */
@@ -1420,14 +1423,14 @@ input_data_shorts(int dev, ushort *sect_
 static void
 output_data_shorts(int dev, ushort *sect_buf, int shorts)
 {
-	outsw(ATA_DATA_REG, sect_buf, shorts);
+	outsw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, shorts);
 }
 
 
 static void
 input_data_shorts(int dev, ushort *sect_buf, int shorts)
 {
-	insw(ATA_DATA_REG, sect_buf, shorts);
+	insw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, shorts);
 }
 
 #endif	/* __PPC__ */
diff -purN u-boot-0.4.8/include/configs/shannon.h u-boot-0.4.8_new/include/configs/shannon.h
--- u-boot-0.4.8/include/configs/shannon.h	2002-11-03 19:03:56.000000000 +0100
+++ u-boot-0.4.8_new/include/configs/shannon.h	2003-10-08 23:45:24.000000000 +0200
@@ -204,13 +204,13 @@
 #define CFG_ATA_BASE_ADDR	CFG_PCMCIA_ATTRB_ADDR
 
 /* Offset for data I/O			*/
-#define CFG_ATA_DATA_OFFSET	(CFG_ATA_BASE_ADDR)
+#define CFG_ATA_DATA_OFFSET	0
 
 /* Offset for normal register accesses	*/
-#define CFG_ATA_REG_OFFSET	(CFG_ATA_BASE_ADDR)
+#define CFG_ATA_REG_OFFSET	0
 
 /* Offset for alternate registers	*/
-#define CFG_ATA_ALT_OFFSET	(CFG_ATA_BASE_ADDR)
+#define CFG_ATA_ALT_OFFSET	0
 
 /*-----------------------------------------------------------------------
  */