diff --git a/arch/ppc/platforms/4xx/ibm405ep.c b/arch/ppc/platforms/4xx/ibm405ep.c
index 6d44567f4dd215ad6f2554eff26a2d84fc5ca25d..093b28d27a413dbe778be1b7d4b5384e2b94ff88 100644
--- a/arch/ppc/platforms/4xx/ibm405ep.c
+++ b/arch/ppc/platforms/4xx/ibm405ep.c
@@ -33,6 +33,7 @@ static struct ocp_func_mal_data ibm405ep_mal0_def = {
 	.txde_irq	= 13,		/* TX Descriptor Error IRQ */
 	.rxde_irq	= 14,		/* RX Descriptor Error IRQ */
 	.serr_irq	= 10,		/* MAL System Error IRQ    */
+	.dcr_base	= DCRN_MAL_BASE /* MAL0_CFG DCR number */
 };
 OCP_SYSFS_MAL_DATA()
 
diff --git a/arch/ppc/platforms/4xx/ibm405gp.c b/arch/ppc/platforms/4xx/ibm405gp.c
index dfd7ef3ba5f81138fb960b8086ef81cc8614f78f..e5700469a6829092e643a840c7a8b99cb09c9849 100644
--- a/arch/ppc/platforms/4xx/ibm405gp.c
+++ b/arch/ppc/platforms/4xx/ibm405gp.c
@@ -46,6 +46,7 @@ static struct ocp_func_mal_data ibm405gp_mal0_def = {
 	.txde_irq	= 13,		/* TX Descriptor Error IRQ */
 	.rxde_irq	= 14,		/* RX Descriptor Error IRQ */
 	.serr_irq	= 10,		/* MAL System Error IRQ    */
+	.dcr_base	= DCRN_MAL_BASE /* MAL0_CFG DCR number */
 };
 OCP_SYSFS_MAL_DATA()
 
diff --git a/arch/ppc/platforms/4xx/ibm405gpr.c b/arch/ppc/platforms/4xx/ibm405gpr.c
index 01c8ccbc7214460fe5b06e1905d5432cb16e1899..cd0d00d8e8ee51fb22e8df9619cf571835a977cc 100644
--- a/arch/ppc/platforms/4xx/ibm405gpr.c
+++ b/arch/ppc/platforms/4xx/ibm405gpr.c
@@ -42,6 +42,7 @@ static struct ocp_func_mal_data ibm405gpr_mal0_def = {
 	.txde_irq	= 13,		/* TX Descriptor Error IRQ */
 	.rxde_irq	= 14,		/* RX Descriptor Error IRQ */
 	.serr_irq	= 10,		/* MAL System Error IRQ    */
+	.dcr_base	= DCRN_MAL_BASE /* MAL0_CFG DCR number */
 };
 OCP_SYSFS_MAL_DATA()
 
diff --git a/arch/ppc/platforms/4xx/ibm440ep.c b/arch/ppc/platforms/4xx/ibm440ep.c
index 284da01f1ffd64d1582461d72953744cbc8422e0..4712de8ff80fd3b750a7f54b9db95578be418c53 100644
--- a/arch/ppc/platforms/4xx/ibm440ep.c
+++ b/arch/ppc/platforms/4xx/ibm440ep.c
@@ -53,6 +53,7 @@ static struct ocp_func_mal_data ibm440ep_mal0_def = {
 	.txde_irq	= 33,		/* TX Descriptor Error IRQ */
 	.rxde_irq	= 34,		/* RX Descriptor Error IRQ */
 	.serr_irq	= 32,		/* MAL System Error IRQ    */
+	.dcr_base	= DCRN_MAL_BASE /* MAL0_CFG DCR number */
 };
 OCP_SYSFS_MAL_DATA()
 
diff --git a/arch/ppc/platforms/4xx/ibm440gp.c b/arch/ppc/platforms/4xx/ibm440gp.c
index 27615ef8309ccf1230421840e00e7b3a7f3646ae..d926245e8b3ebf013e61b1da0831adea976b3018 100644
--- a/arch/ppc/platforms/4xx/ibm440gp.c
+++ b/arch/ppc/platforms/4xx/ibm440gp.c
@@ -56,6 +56,7 @@ static struct ocp_func_mal_data ibm440gp_mal0_def = {
 	.txde_irq	= 33,		/* TX Descriptor Error IRQ */
 	.rxde_irq	= 34,		/* RX Descriptor Error IRQ */
 	.serr_irq	= 32,		/* MAL System Error IRQ    */
+	.dcr_base	= DCRN_MAL_BASE /* MAL0_CFG DCR number */
 };
 OCP_SYSFS_MAL_DATA()
 
diff --git a/arch/ppc/platforms/4xx/ibm440gx.c b/arch/ppc/platforms/4xx/ibm440gx.c
index 1f38f42835b461e6093e64f2f0f0f1970d857b77..956f45e4ef97287b08d1165d3c956834b24dc6f7 100644
--- a/arch/ppc/platforms/4xx/ibm440gx.c
+++ b/arch/ppc/platforms/4xx/ibm440gx.c
@@ -84,6 +84,7 @@ static struct ocp_func_mal_data ibm440gx_mal0_def = {
 	.txde_irq	= 33,		/* TX Descriptor Error IRQ */
 	.rxde_irq	= 34,		/* RX Descriptor Error IRQ */
 	.serr_irq	= 32,		/* MAL System Error IRQ    */
+	.dcr_base	= DCRN_MAL_BASE /* MAL0_CFG DCR number */
 };
 OCP_SYSFS_MAL_DATA()
 
diff --git a/arch/ppc/platforms/4xx/ibm440sp.c b/arch/ppc/platforms/4xx/ibm440sp.c
index fa3e003a0db94b274b9190d3fcf8c22e9fad336c..feb17e41ef6951ae0c28902249893e4c0dcbe4e9 100644
--- a/arch/ppc/platforms/4xx/ibm440sp.c
+++ b/arch/ppc/platforms/4xx/ibm440sp.c
@@ -43,6 +43,7 @@ static struct ocp_func_mal_data ibm440sp_mal0_def = {
 	.txde_irq	= 34,		/* TX Descriptor Error IRQ */
 	.rxde_irq	= 35,		/* RX Descriptor Error IRQ */
 	.serr_irq	= 33,		/* MAL System Error IRQ    */
+	.dcr_base	= DCRN_MAL_BASE /* MAL0_CFG DCR number */
 };
 OCP_SYSFS_MAL_DATA()
 
diff --git a/arch/ppc/platforms/4xx/ibmnp405h.c b/arch/ppc/platforms/4xx/ibmnp405h.c
index 4937cfb4b5d9179449d179f271cf34bbba903a98..a477a78f4902956920bfb8d5985f861992e0229f 100644
--- a/arch/ppc/platforms/4xx/ibmnp405h.c
+++ b/arch/ppc/platforms/4xx/ibmnp405h.c
@@ -73,6 +73,7 @@ static struct ocp_func_mal_data ibmnp405h_mal0_def = {
 	.txde_irq	= 46,		/* TX Descriptor Error IRQ */
 	.rxde_irq	= 47,		/* RX Descriptor Error IRQ */
 	.serr_irq	= 45,		/* MAL System Error IRQ    */
+	.dcr_base	= DCRN_MAL_BASE /* MAL0_CFG DCR number */
 };
 OCP_SYSFS_MAL_DATA()
 
diff --git a/include/asm-ppc/ibm_ocp.h b/include/asm-ppc/ibm_ocp.h
index 7fd4b6ce327a4313c09d09ebc8941368972210b5..bd7656fa20266d0efa7cedf8f1f78231e754ad8a 100644
--- a/include/asm-ppc/ibm_ocp.h
+++ b/include/asm-ppc/ibm_ocp.h
@@ -147,6 +147,7 @@ struct ocp_func_mal_data {
 	int	txde_irq;	/* TX Descriptor Error IRQ */
 	int	rxde_irq;	/* RX Descriptor Error IRQ */
 	int	serr_irq;	/* MAL System Error IRQ    */
+	int	dcr_base;	/* MALx_CFG DCR number   */
 };
 
 #define OCP_SYSFS_MAL_DATA()						\
@@ -157,6 +158,7 @@ OCP_SYSFS_ADDTL(struct ocp_func_mal_data, "%d\n", mal, rxeob_irq)	\
 OCP_SYSFS_ADDTL(struct ocp_func_mal_data, "%d\n", mal, txde_irq)	\
 OCP_SYSFS_ADDTL(struct ocp_func_mal_data, "%d\n", mal, rxde_irq)	\
 OCP_SYSFS_ADDTL(struct ocp_func_mal_data, "%d\n", mal, serr_irq)	\
+OCP_SYSFS_ADDTL(struct ocp_func_mal_data, "%d\n", mal, dcr_base)	\
 									\
 void ocp_show_mal_data(struct device *dev)				\
 {									\
@@ -167,6 +169,7 @@ void ocp_show_mal_data(struct device *dev)				\
 	device_create_file(dev, &dev_attr_mal_txde_irq);		\
 	device_create_file(dev, &dev_attr_mal_rxde_irq);		\
 	device_create_file(dev, &dev_attr_mal_serr_irq);		\
+	device_create_file(dev, &dev_attr_mal_dcr_base);		\
 }
 
 /*