5 files changed, 41 insertions, 8 deletions
diff --git a/include/asm-arm/arch-iop32x/iop32x.h b/include/asm-arm/arch-iop32x/iop32x.h
index 2e9469047eb..0d8af57221a 100644
--- a/include/asm-arm/arch-iop32x/iop32x.h
+++ b/include/asm-arm/arch-iop32x/iop32x.h
@@ -24,5 +24,14 @@
 
 #include <asm/hardware/iop3xx.h>
 
+/* ATU Parameters
+ * set up a 1:1 bus to physical ram relationship
+ * w/ physical ram on top of pci in the memory map
+ */
+#define IOP32X_MAX_RAM_SIZE            0x40000000UL
+#define IOP3XX_MAX_RAM_SIZE            IOP32X_MAX_RAM_SIZE
+#define IOP3XX_PCI_LOWER_MEM_BA        0x80000000
+#define IOP32X_PCI_MEM_WINDOW_SIZE     0x04000000
+#define IOP3XX_PCI_MEM_WINDOW_SIZE     IOP32X_PCI_MEM_WINDOW_SIZE
 
 #endif
diff --git a/include/asm-arm/arch-iop32x/memory.h b/include/asm-arm/arch-iop32x/memory.h
index 764cd3f0d41..c51072af214 100644
--- a/include/asm-arm/arch-iop32x/memory.h
+++ b/include/asm-arm/arch-iop32x/memory.h
@@ -19,8 +19,8 @@
  * bus_to_virt: Used to convert an address for DMA operations
  *		to an address that the kernel can use.
  */
-#define __virt_to_bus(x)	(((__virt_to_phys(x)) & ~(*IOP3XX_IATVR2)) | ((*IOP3XX_IABAR2) & 0xfffffff0))
-#define __bus_to_virt(x)	(__phys_to_virt(((x) & ~(*IOP3XX_IALR2)) | ( *IOP3XX_IATVR2)))
+#define __virt_to_bus(x)	(__virt_to_phys(x))
+#define __bus_to_virt(x)	(__phys_to_virt(x))
 
 
 #endif
diff --git a/include/asm-arm/arch-iop33x/iop33x.h b/include/asm-arm/arch-iop33x/iop33x.h
index 7ac6e93db5f..766985b9a72 100644
--- a/include/asm-arm/arch-iop33x/iop33x.h
+++ b/include/asm-arm/arch-iop33x/iop33x.h
@@ -29,5 +29,15 @@
 #define IOP33X_UART1_PHYS	(IOP3XX_PERIPHERAL_PHYS_BASE + 0x1740)
 #define IOP33X_UART1_VIRT	(IOP3XX_PERIPHERAL_VIRT_BASE + 0x1740)
 
+/* ATU Parameters
+ * set up a 1:1 bus to physical ram relationship
+ * w/ pci on top of physical ram in memory map
+ */
+#define IOP33X_MAX_RAM_SIZE		0x80000000UL
+#define IOP3XX_MAX_RAM_SIZE		IOP33X_MAX_RAM_SIZE
+#define IOP3XX_PCI_LOWER_MEM_BA	(PHYS_OFFSET + IOP33X_MAX_RAM_SIZE)
+#define IOP33X_PCI_MEM_WINDOW_SIZE	0x08000000
+#define IOP3XX_PCI_MEM_WINDOW_SIZE	IOP33X_PCI_MEM_WINDOW_SIZE
+
 
 #endif
diff --git a/include/asm-arm/arch-iop33x/memory.h b/include/asm-arm/arch-iop33x/memory.h
index 0d39139b241..c8749127d6a 100644
--- a/include/asm-arm/arch-iop33x/memory.h
+++ b/include/asm-arm/arch-iop33x/memory.h
@@ -19,8 +19,8 @@
  * bus_to_virt: Used to convert an address for DMA operations
  *		to an address that the kernel can use.
  */
-#define __virt_to_bus(x)	(((__virt_to_phys(x)) & ~(*IOP3XX_IATVR2)) | ((*IOP3XX_IABAR2) & 0xfffffff0))
-#define __bus_to_virt(x)	(__phys_to_virt(((x) & ~(*IOP3XX_IALR2)) | ( *IOP3XX_IATVR2)))
+#define __virt_to_bus(x)	(__virt_to_phys(x))
+#define __bus_to_virt(x)	(__phys_to_virt(x))
 
 
 #endif
diff --git a/include/asm-arm/hardware/iop3xx.h b/include/asm-arm/hardware/iop3xx.h
index 15141a9caca..ebbcd9be3fe 100644
--- a/include/asm-arm/hardware/iop3xx.h
+++ b/include/asm-arm/hardware/iop3xx.h
@@ -28,6 +28,7 @@
 extern void gpio_line_config(int line, int direction);
 extern int  gpio_line_get(int line);
 extern void gpio_line_set(int line, int value);
+extern int init_atu;
 #endif
 
 
@@ -103,6 +104,21 @@ extern void gpio_line_set(int line, int value);
 #define IOP3XX_PCIXCMD		(volatile u16 *)IOP3XX_REG_ADDR(0x01e2)
 #define IOP3XX_PCIXSR		(volatile u32 *)IOP3XX_REG_ADDR(0x01e4)
 #define IOP3XX_PCIIRSR		(volatile u32 *)IOP3XX_REG_ADDR(0x01ec)
+#define IOP3XX_PCSR_OUT_Q_BUSY (1 << 15)
+#define IOP3XX_PCSR_IN_Q_BUSY	(1 << 14)
+#define IOP3XX_ATUCR_OUT_EN	(1 << 1)
+
+#define IOP3XX_INIT_ATU_DEFAULT 0
+#define IOP3XX_INIT_ATU_DISABLE -1
+#define IOP3XX_INIT_ATU_ENABLE	 1
+
+#ifdef CONFIG_IOP3XX_ATU
+#define iop3xx_get_init_atu(x) (init_atu == IOP3XX_INIT_ATU_DEFAULT ?\
+				IOP3XX_INIT_ATU_ENABLE : init_atu)
+#else
+#define iop3xx_get_init_atu(x) (init_atu == IOP3XX_INIT_ATU_DEFAULT ?\
+				IOP3XX_INIT_ATU_DISABLE : init_atu)
+#endif
 
 /* Messaging Unit  */
 #define IOP3XX_IMR0		(volatile u32 *)IOP3XX_REG_ADDR(0x0310)
@@ -253,14 +269,12 @@ extern void gpio_line_set(int line, int value);
 /*
  * IOP3XX I/O and Mem space regions for PCI autoconfiguration
  */
-#define IOP3XX_PCI_MEM_WINDOW_SIZE	0x04000000
-#define IOP3XX_PCI_LOWER_MEM_PA		0x80000000
-#define IOP3XX_PCI_LOWER_MEM_BA		(*IOP3XX_OMWTVR0)
+#define IOP3XX_PCI_LOWER_MEM_PA	0x80000000
 
 #define IOP3XX_PCI_IO_WINDOW_SIZE	0x00010000
 #define IOP3XX_PCI_LOWER_IO_PA		0x90000000
 #define IOP3XX_PCI_LOWER_IO_VA		0xfe000000
-#define IOP3XX_PCI_LOWER_IO_BA		(*IOP3XX_OIOWTVR)
+#define IOP3XX_PCI_LOWER_IO_BA		0x90000000
 #define IOP3XX_PCI_UPPER_IO_PA		(IOP3XX_PCI_LOWER_IO_PA +\
 					IOP3XX_PCI_IO_WINDOW_SIZE - 1)
 #define IOP3XX_PCI_UPPER_IO_VA		(IOP3XX_PCI_LOWER_IO_VA +\