diff --git a/include/asm-blackfin/bfin5xx_spi.h b/include/asm-blackfin/bfin5xx_spi.h
index 95c1c95..f617d87 100644
--- a/include/asm-blackfin/bfin5xx_spi.h
+++ b/include/asm-blackfin/bfin5xx_spi.h
@@ -21,8 +21,6 @@
 #ifndef _SPI_CHANNEL_H_
 #define _SPI_CHANNEL_H_
 
-#define SPI0_REGBASE       0xffc00500
-
 #define SPI_READ              0
 #define SPI_WRITE             1
 
diff --git a/include/asm-blackfin/mach-bf527/defBF52x_base.h b/include/asm-blackfin/mach-bf527/defBF52x_base.h
index 0b2fb50..b1ff67d 100644
--- a/include/asm-blackfin/mach-bf527/defBF52x_base.h
+++ b/include/asm-blackfin/mach-bf527/defBF52x_base.h
@@ -102,6 +102,7 @@
 
 
 /* SPI Controller			(0xFFC00500 - 0xFFC005FF)								*/
+#define SPI0_REGBASE			0xFFC00500
 #define SPI_CTL				0xFFC00500	/* SPI Control Register						*/
 #define SPI_FLG				0xFFC00504	/* SPI Flag register						*/
 #define SPI_STAT			0xFFC00508	/* SPI Status register						*/
@@ -480,6 +481,7 @@
 
 
 /* Two-Wire Interface		(0xFFC01400 - 0xFFC014FF)								*/
+#define TWI0_REGBASE			0xFFC01400
 #define TWI_CLKDIV			0xFFC01400	/* Serial Clock Divider Register			*/
 #define TWI_CONTROL			0xFFC01404	/* TWI Control Register						*/
 #define TWI_SLAVE_CTL		0xFFC01408	/* Slave Mode Control Register				*/
diff --git a/include/asm-blackfin/mach-bf533/defBF532.h b/include/asm-blackfin/mach-bf533/defBF532.h
index 81b4af1..37134aa 100644
--- a/include/asm-blackfin/mach-bf533/defBF532.h
+++ b/include/asm-blackfin/mach-bf533/defBF532.h
@@ -104,6 +104,7 @@
 #define UART_GCTL      	      		 0xFFC00424	/* Global Control Register */
 
 /* SPI Controller (0xFFC00500 - 0xFFC005FF) */
+#define SPI0_REGBASE          		0xFFC00500
 #define SPI_CTL               		0xFFC00500	/* SPI Control Register */
 #define SPI_FLG               		0xFFC00504	/* SPI Flag register */
 #define SPI_STAT              		0xFFC00508	/* SPI Status register */
diff --git a/include/asm-blackfin/mach-bf537/defBF534.h b/include/asm-blackfin/mach-bf537/defBF534.h
index dce4c54..d0d80d3 100644
--- a/include/asm-blackfin/mach-bf537/defBF534.h
+++ b/include/asm-blackfin/mach-bf537/defBF534.h
@@ -86,6 +86,7 @@
 #define UART0_GCTL			0xFFC00424	/* Global Control Register                                      */
 
 /* SPI Controller			(0xFFC00500 - 0xFFC005FF)								*/
+#define SPI0_REGBASE			0xFFC00500
 #define SPI_CTL				0xFFC00500	/* SPI Control Register                                         */
 #define SPI_FLG				0xFFC00504	/* SPI Flag register                                            */
 #define SPI_STAT			0xFFC00508	/* SPI Status register                                          */
@@ -456,6 +457,7 @@
 #define PPI_FRAME			0xFFC01010	/* PPI Frame Length Register    */
 
 /* Two-Wire Interface		(0xFFC01400 - 0xFFC014FF)								*/
+#define TWI0_REGBASE			0xFFC01400
 #define TWI_CLKDIV			0xFFC01400	/* Serial Clock Divider Register                        */
 #define TWI_CONTROL			0xFFC01404	/* TWI Control Register                                         */
 #define TWI_SLAVE_CTL		0xFFC01408	/* Slave Mode Control Register                          */
diff --git a/include/asm-blackfin/mach-bf548/defBF544.h b/include/asm-blackfin/mach-bf548/defBF544.h
index dd955dc..760307e 100644
--- a/include/asm-blackfin/mach-bf548/defBF544.h
+++ b/include/asm-blackfin/mach-bf548/defBF544.h
@@ -81,6 +81,7 @@
 
 /* Two Wire Interface Registers (TWI1) */
 
+#define                     TWI1_REGBASE  0xffc02200
 #define                      TWI1_CLKDIV  0xffc02200   /* Clock Divider Register */
 #define                     TWI1_CONTROL  0xffc02204   /* TWI Control Register */
 #define                  TWI1_SLAVE_CTRL  0xffc02208   /* TWI Slave Mode Control Register */
diff --git a/include/asm-blackfin/mach-bf548/defBF548.h b/include/asm-blackfin/mach-bf548/defBF548.h
index 8d4214e..70af33c 100644
--- a/include/asm-blackfin/mach-bf548/defBF548.h
+++ b/include/asm-blackfin/mach-bf548/defBF548.h
@@ -120,6 +120,7 @@
 
 /* Two Wire Interface Registers (TWI1) */
 
+#define                     TWI1_REGBASE  0xffc02200
 #define                      TWI1_CLKDIV  0xffc02200   /* Clock Divider Register */
 #define                     TWI1_CONTROL  0xffc02204   /* TWI Control Register */
 #define                  TWI1_SLAVE_CTRL  0xffc02208   /* TWI Slave Mode Control Register */
@@ -139,6 +140,7 @@
 
 /* SPI2  Registers */
 
+#define                     SPI2_REGBASE  0xffc02400
 #define                         SPI2_CTL  0xffc02400   /* SPI2 Control Register */
 #define                         SPI2_FLG  0xffc02404   /* SPI2 Flag Register */
 #define                        SPI2_STAT  0xffc02408   /* SPI2 Status Register */
diff --git a/include/asm-blackfin/mach-bf548/defBF549.h b/include/asm-blackfin/mach-bf548/defBF549.h
index c2f4734..50b3fe5 100644
--- a/include/asm-blackfin/mach-bf548/defBF549.h
+++ b/include/asm-blackfin/mach-bf548/defBF549.h
@@ -121,6 +121,7 @@
 
 /* Two Wire Interface Registers (TWI1) */
 
+#define                     TWI1_REGBASE  0xffc02200
 #define                      TWI1_CLKDIV  0xffc02200   /* Clock Divider Register */
 #define                     TWI1_CONTROL  0xffc02204   /* TWI Control Register */
 #define                  TWI1_SLAVE_CTRL  0xffc02208   /* TWI Slave Mode Control Register */
@@ -140,6 +141,7 @@
 
 /* SPI2  Registers */
 
+#define                     SPI2_REGBASE  0xffc02400
 #define                         SPI2_CTL  0xffc02400   /* SPI2 Control Register */
 #define                         SPI2_FLG  0xffc02404   /* SPI2 Flag Register */
 #define                        SPI2_STAT  0xffc02408   /* SPI2 Status Register */
diff --git a/include/asm-blackfin/mach-bf548/defBF54x_base.h b/include/asm-blackfin/mach-bf548/defBF54x_base.h
index 895ddd4..e2632db 100644
--- a/include/asm-blackfin/mach-bf548/defBF54x_base.h
+++ b/include/asm-blackfin/mach-bf548/defBF54x_base.h
@@ -109,6 +109,7 @@
 
 /* SPI0 Registers */
 
+#define                     SPI0_REGBASE  0xffc00500
 #define                         SPI0_CTL  0xffc00500   /* SPI0 Control Register */
 #define                         SPI0_FLG  0xffc00504   /* SPI0 Flag Register */
 #define                        SPI0_STAT  0xffc00508   /* SPI0 Status Register */
@@ -121,6 +122,7 @@
 
 /* Two Wire Interface Registers (TWI0) */
 
+#define                     TWI0_REGBASE  0xffc00700
 #define                      TWI0_CLKDIV  0xffc00700   /* Clock Divider Register */
 #define                     TWI0_CONTROL  0xffc00704   /* TWI Control Register */
 #define                  TWI0_SLAVE_CTRL  0xffc00708   /* TWI Slave Mode Control Register */
@@ -978,6 +980,7 @@
 
 /* SPI1 Registers */
 
+#define                     SPI1_REGBASE  0xffc02300
 #define                         SPI1_CTL  0xffc02300   /* SPI1 Control Register */
 #define                         SPI1_FLG  0xffc02304   /* SPI1 Flag Register */
 #define                        SPI1_STAT  0xffc02308   /* SPI1 Status Register */
diff --git a/include/asm-blackfin/mach-bf561/defBF561.h b/include/asm-blackfin/mach-bf561/defBF561.h
index 0f2dc6e..bf7dc4e 100644
--- a/include/asm-blackfin/mach-bf561/defBF561.h
+++ b/include/asm-blackfin/mach-bf561/defBF561.h
@@ -120,6 +120,7 @@
 #define UART_GCTL      	      	0xFFC00424	/* Global Control Register */
 
 /* SPI Controller (0xFFC00500 - 0xFFC005FF) */
+#define SPI0_REGBASE          		0xFFC00500
 #define SPI_CTL               		0xFFC00500	/* SPI Control Register */
 #define SPI_FLG               		0xFFC00504	/* SPI Flag register */
 #define SPI_STAT              		0xFFC00508	/* SPI Status register */