diff --git a/arch/powerpc/cpu/mpc8xxx/Makefile b/arch/powerpc/cpu/mpc8xxx/Makefile
index ab80dd77230b56e685229888f0905f24ae31cd1e..95c73be88906b2fa9e3f4e148adf5811e8580646 100644
--- a/arch/powerpc/cpu/mpc8xxx/Makefile
+++ b/arch/powerpc/cpu/mpc8xxx/Makefile
@@ -12,7 +12,6 @@ LIB	= $(obj)lib8xxx.o
 
 ifneq ($(CPU),mpc83xx)
 COBJS-y	+= cpu.o
-COBJS-$(CONFIG_PCI)	+= pci_cfg.o
 endif
 
 COBJS-$(CONFIG_OF_LIBFDT) += fdt.o
diff --git a/arch/powerpc/cpu/mpc8xxx/pci_cfg.c b/arch/powerpc/cpu/mpc8xxx/pci_cfg.c
deleted file mode 100644
index 53236a36f81bd1d23be30ac1b2ab6dc73b053556..0000000000000000000000000000000000000000
--- a/arch/powerpc/cpu/mpc8xxx/pci_cfg.c
+++ /dev/null
@@ -1,204 +0,0 @@
-/*
- * Copyright 2009-2010 Freescale Semiconductor, Inc.
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <common.h>
-#include <asm/fsl_law.h>
-#include <pci.h>
-
-struct pci_info {
-	u32	cfg;
-};
-
-/* The cfg field is a bit mask in which each bit represents the value of
- * cfg_IO_ports[] signal and the bit is set if the interface would be
- * enabled based on the value of cfg_IO_ports[] signal
- *
- * On MPC86xx/PQ3 based systems:
- *   we extract cfg_IO_ports from GUTS register PORDEVSR
- *
- * cfg_IO_ports only exist on systems w/PCIe (we set cfg 0 for systems
- * without PCIe)
- */
-
-#if defined(CONFIG_MPC8540) || defined(CONFIG_MPC8560)
-static struct pci_info pci_config_info[] =
-{
-	[LAW_TRGT_IF_PCI] = {
-		.cfg =   0,
-	},
-};
-#elif defined(CONFIG_MPC8541) || defined(CONFIG_MPC8555)
-static struct pci_info pci_config_info[] =
-{
-	[LAW_TRGT_IF_PCI] = {
-		.cfg =   0,
-	},
-};
-#elif defined(CONFIG_MPC8536)
-static struct pci_info pci_config_info[] =
-{
-};
-#elif defined(CONFIG_MPC8544)
-static struct pci_info pci_config_info[] =
-{
-	[LAW_TRGT_IF_PCI] = {
-		.cfg =   0,
-	},
-	[LAW_TRGT_IF_PCIE_1] = {
-		.cfg =   (1 << 2) | (1 << 3) | (1 << 4) | (1 << 5) |
-			 (1 << 6) | (1 << 7),
-	},
-	[LAW_TRGT_IF_PCIE_2] = {
-		.cfg =   (1 << 4) | (1 << 5) | (1 << 6) | (1 << 7),
-	},
-	[LAW_TRGT_IF_PCIE_3] = {
-		.cfg =   (1 << 6) | (1 << 7),
-	},
-};
-#elif defined(CONFIG_MPC8548)
-static struct pci_info pci_config_info[] =
-{
-	[LAW_TRGT_IF_PCI_1] = {
-		.cfg =   0,
-	},
-	[LAW_TRGT_IF_PCI_2] = {
-		.cfg =   0,
-	},
-	/* PCI_2 is always host and we dont use iosel to determine enable/disable */
-	[LAW_TRGT_IF_PCIE_1] = {
-		.cfg =   (1 << 3) | (1 << 4) | (1 << 7),
-	},
-};
-#elif defined(CONFIG_MPC8568)
-static struct pci_info pci_config_info[] =
-{
-	[LAW_TRGT_IF_PCI] = {
-		.cfg =   0,
-	},
-	[LAW_TRGT_IF_PCIE_1] = {
-		.cfg =   (1 << 3) | (1 << 4) | (1 << 7),
-	},
-};
-#elif defined(CONFIG_MPC8569)
-static struct pci_info pci_config_info[] =
-{
-	[LAW_TRGT_IF_PCIE_1] = {
-		.cfg =   (1 << 0) | (1 << 4) | (1 << 5) | (1 << 6) | (1 << 7) |
-			 (1 << 8) | (1 << 0xc) | (1 << 0xf),
-	},
-};
-#elif defined(CONFIG_MPC8572)
-static struct pci_info pci_config_info[] =
-{
-	[LAW_TRGT_IF_PCIE_1] = {
-		.cfg =   (1 << 2) | (1 << 3) | (1 << 7) |
-			 (1 << 0xb) | (1 << 0xc) | (1 << 0xf),
-	},
-	[LAW_TRGT_IF_PCIE_2] = {
-		.cfg =   (1 << 3) | (1 << 7),
-	},
-	[LAW_TRGT_IF_PCIE_3] = {
-		.cfg =   (1 << 7),
-	},
-};
-#elif defined(CONFIG_MPC8610)
-static struct pci_info pci_config_info[] =
-{
-	[LAW_TRGT_IF_PCI_1] = {
-		.cfg =   0,
-	},
-	[LAW_TRGT_IF_PCIE_1] = {
-		.cfg =   (1 << 1) | (1 << 4),
-	},
-	[LAW_TRGT_IF_PCIE_2] = {
-		.cfg =   (1 << 0) | (1 << 4),
-	},
-};
-#elif defined(CONFIG_MPC8641)
-static struct pci_info pci_config_info[] =
-{
-	[LAW_TRGT_IF_PCIE_1] = {
-		.cfg =   (1 << 2) | (1 << 3) | (1 << 5) | (1 << 6) |
-			 (1 << 7) | (1 << 0xf),
-	},
-	[LAW_TRGT_IF_PCIE_2] = {
-		.cfg =   (1 << 3) | (1 << 0xe) | (1 << 0xf),
-	},
-};
-#elif defined(CONFIG_P1011) || defined(CONFIG_P1020) || \
-      defined(CONFIG_P1012) || defined(CONFIG_P1021)
-static struct pci_info pci_config_info[] =
-{
-	[LAW_TRGT_IF_PCIE_1] = {
-		.cfg =   (1 << 0) | (1 << 6) | (1 << 0xe) | (1 << 0xf),
-	},
-	[LAW_TRGT_IF_PCIE_2] = {
-		.cfg =   (1 << 0xe),
-	},
-};
-#elif defined(CONFIG_P1013) || defined(CONFIG_P1022)
-static struct pci_info pci_config_info[] =
-{
-	[LAW_TRGT_IF_PCIE_1] = {
-		.cfg =   (1 << 6) | (1 << 7) | (1 << 9) | (1 << 0xa) |
-			 (1 << 0xb) | (1 << 0xd) | (1 << 0xe) |
-			 (1 << 0xf) | (1 << 0x15) | (1 << 0x16) |
-			 (1 << 0x17) | (1 << 0x18) | (1 << 0x19) |
-			 (1 << 0x1a) | (1 << 0x1b) | (1 << 0x1c) |
-			 (1 << 0x1d) | (1 << 0x1e) | (1 << 0x1f),
-	},
-	[LAW_TRGT_IF_PCIE_2] = {
-		.cfg =   (1 << 1) | (1 << 6) | (1 << 7) | (1 << 9) |
-			 (1 << 0xd) | (1 << 0x15) | (1 << 0x16) | (1 << 0x17) |
-			 (1 << 0x18) | (1 << 0x19) | (1 << 0x1a) | (1 << 0x1b),
-	},
-	[LAW_TRGT_IF_PCIE_3] = {
-		.cfg =   (1 << 0) | (1 << 1) | (1 << 6) | (1 << 7) | (1 << 9) |
-			 (1 << 0xa) | (1 << 0xb) | (1 << 0xd) | (1 << 0x15) |
-			 (1 << 0x16) | (1 << 0x17) | (1 << 0x18) | (1 << 0x1c),
-	},
-};
-#elif defined(CONFIG_P2010) || defined(CONFIG_P2020)
-static struct pci_info pci_config_info[] =
-{
-	[LAW_TRGT_IF_PCIE_1] = {
-		.cfg =   (1 << 0) | (1 << 2) | (1 << 4) | (1 << 6) |
-			 (1 << 0xd) | (1 << 0xe) | (1 << 0xf),
-	},
-	[LAW_TRGT_IF_PCIE_2] = {
-		.cfg =   (1 << 2) | (1 << 0xe),
-	},
-	[LAW_TRGT_IF_PCIE_3] = {
-		.cfg =   (1 << 2) | (1 << 4),
-	},
-};
-#elif defined(CONFIG_FSL_CORENET)
-#else
-#error Need to define pci_config_info for processor
-#endif
-
-#ifndef CONFIG_FSL_CORENET
-int is_fsl_pci_cfg(enum law_trgt_if trgt, u32 io_sel)
-{
-	return ((1 << io_sel) & pci_config_info[trgt].cfg);
-}
-#endif
diff --git a/arch/powerpc/include/asm/fsl_pci.h b/arch/powerpc/include/asm/fsl_pci.h
index dc5c579e1ae9cfccb60abc19cf44fa3b799ce722..fa035142fa31d270d10cbfa0026de58c4c1c5a5d 100644
--- a/arch/powerpc/include/asm/fsl_pci.h
+++ b/arch/powerpc/include/asm/fsl_pci.h
@@ -23,8 +23,6 @@
 
 #include <asm/fsl_law.h>
 
-int is_fsl_pci_cfg(enum law_trgt_if trgt, u32 io_sel);
-
 int fsl_setup_hose(struct pci_controller *hose, unsigned long addr);
 int fsl_is_pci_agent(struct pci_controller *hose);
 void fsl_pci_init(struct pci_controller *hose, u32 cfg_addr, u32 cfg_data);
diff --git a/board/freescale/mpc8544ds/mpc8544ds.c b/board/freescale/mpc8544ds/mpc8544ds.c
index 31c3fad869f6d660f8558128cd11327b18b411a5..3285ceaa1b363a65a84876d27eb4a7b6feac6450 100644
--- a/board/freescale/mpc8544ds/mpc8544ds.c
+++ b/board/freescale/mpc8544ds/mpc8544ds.c
@@ -28,6 +28,7 @@
 #include <asm/immap_85xx.h>
 #include <asm/fsl_pci.h>
 #include <asm/fsl_ddr_sdram.h>
+#include <asm/fsl_serdes.h>
 #include <asm/io.h>
 #include <miiphy.h>
 #include <libfdt.h>
@@ -127,7 +128,7 @@ void pci_init_board(void)
 	puts("\n");
 
 #ifdef CONFIG_PCIE3
-	pcie_configured = is_fsl_pci_cfg(LAW_TRGT_IF_PCIE_3, io_sel);
+	pcie_configured = is_serdes_configured(PCIE3);
 
 	if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE3)){
 		SET_STD_PCIE_INFO(pci_info[num], 3);
@@ -162,7 +163,7 @@ void pci_init_board(void)
 #endif
 
 #ifdef CONFIG_PCIE1
-	pcie_configured = is_fsl_pci_cfg(LAW_TRGT_IF_PCIE_1, io_sel);
+	pcie_configured = is_serdes_configured(PCIE1);
 
 	if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE)){
 		SET_STD_PCIE_INFO(pci_info[num], 1);
@@ -193,7 +194,7 @@ void pci_init_board(void)
 #endif
 
 #ifdef CONFIG_PCIE2
-	pcie_configured = is_fsl_pci_cfg(LAW_TRGT_IF_PCIE_2, io_sel);
+	pcie_configured = is_serdes_configured(PCIE2);
 
 	if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE2)){
 		SET_STD_PCIE_INFO(pci_info[num], 2);
diff --git a/board/freescale/mpc8548cds/mpc8548cds.c b/board/freescale/mpc8548cds/mpc8548cds.c
index 14c902cb9604071e4e87ad30d179afed96b89d00..ebeb897490e66a54846db2ffe098dbacfe3ed790 100644
--- a/board/freescale/mpc8548cds/mpc8548cds.c
+++ b/board/freescale/mpc8548cds/mpc8548cds.c
@@ -29,6 +29,7 @@
 #include <asm/immap_85xx.h>
 #include <asm/fsl_pci.h>
 #include <asm/fsl_ddr_sdram.h>
+#include <asm/fsl_serdes.h>
 #include <spd_sdram.h>
 #include <miiphy.h>
 #include <libfdt.h>
@@ -332,7 +333,7 @@ void pci_init_board(void)
 #endif /* CONFIG_PCI2 */
 
 #ifdef CONFIG_PCIE1
-	pcie_configured = is_fsl_pci_cfg(LAW_TRGT_IF_PCIE_1, io_sel);
+	pcie_configured = is_serdes_configured(PCIE1);
 
 	if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE)){
 		SET_STD_PCIE_INFO(pci_info[num], 1);
diff --git a/board/freescale/mpc8568mds/mpc8568mds.c b/board/freescale/mpc8568mds/mpc8568mds.c
index d74fcac98355f7445a9faaaec5337ddc1b4f3c1f..71cfbf0f375e52499380fb241735bbb6fc2da62d 100644
--- a/board/freescale/mpc8568mds/mpc8568mds.c
+++ b/board/freescale/mpc8568mds/mpc8568mds.c
@@ -29,6 +29,7 @@
 #include <asm/immap_85xx.h>
 #include <asm/fsl_pci.h>
 #include <asm/fsl_ddr_sdram.h>
+#include <asm/fsl_serdes.h>
 #include <spd_sdram.h>
 #include <i2c.h>
 #include <ioports.h>
@@ -399,7 +400,7 @@ void pci_init_board(void)
 #endif
 
 #ifdef CONFIG_PCIE1
-	pcie_configured = is_fsl_pci_cfg(LAW_TRGT_IF_PCIE_1, io_sel);
+	pcie_configured = is_serdes_configured(PCIE1);
 
 	if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE)){
 		SET_STD_PCIE_INFO(pci_info[num], 1);
diff --git a/board/freescale/mpc8569mds/mpc8569mds.c b/board/freescale/mpc8569mds/mpc8569mds.c
index dc0884e7bf19a4c2ab91ac8a2da046e9d6fde7e6..9700b8c6e8a44641e72a678dce989d6e360b9c7b 100644
--- a/board/freescale/mpc8569mds/mpc8569mds.c
+++ b/board/freescale/mpc8569mds/mpc8569mds.c
@@ -31,6 +31,7 @@
 #include <asm/immap_85xx.h>
 #include <asm/fsl_pci.h>
 #include <asm/fsl_ddr_sdram.h>
+#include <asm/fsl_serdes.h>
 #include <asm/io.h>
 #include <spd_sdram.h>
 #include <i2c.h>
@@ -579,7 +580,7 @@ void pci_init_board(void)
 #endif
 
 #ifdef CONFIG_PCIE1
-	pcie_configured = is_fsl_pci_cfg(LAW_TRGT_IF_PCIE_1, io_sel);
+	pcie_configured = is_serdes_configured(PCIE1);
 
 	if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE)){
 		SET_STD_PCIE_INFO(pci_info[num], 1);
diff --git a/board/freescale/mpc8572ds/mpc8572ds.c b/board/freescale/mpc8572ds/mpc8572ds.c
index 120f35c2c84e24c7b2ee7ce319cc2ab12152f80e..15a4d316ccb808642805cefee9b6b737b266940f 100644
--- a/board/freescale/mpc8572ds/mpc8572ds.c
+++ b/board/freescale/mpc8572ds/mpc8572ds.c
@@ -30,6 +30,7 @@
 #include <asm/fsl_pci.h>
 #include <asm/fsl_ddr_sdram.h>
 #include <asm/io.h>
+#include <asm/fsl_serdes.h>
 #include <miiphy.h>
 #include <libfdt.h>
 #include <fdt_support.h>
@@ -187,7 +188,7 @@ void pci_init_board(void)
 
 	puts("\n");
 #ifdef CONFIG_PCIE3
-	pcie_configured = is_fsl_pci_cfg(LAW_TRGT_IF_PCIE_3, io_sel);
+	pcie_configured = is_serdes_configured(PCIE3);
 
 	if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE3)){
 		SET_STD_PCIE_INFO(pci_info[num], 3);
@@ -219,7 +220,7 @@ void pci_init_board(void)
 #endif
 
 #ifdef CONFIG_PCIE2
-	pcie_configured = is_fsl_pci_cfg(LAW_TRGT_IF_PCIE_2, io_sel);
+	pcie_configured = is_serdes_configured(PCIE2);
 
 	if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE2)){
 		SET_STD_PCIE_INFO(pci_info[num], 2);
@@ -239,7 +240,7 @@ void pci_init_board(void)
 #endif
 
 #ifdef CONFIG_PCIE1
-	pcie_configured = is_fsl_pci_cfg(LAW_TRGT_IF_PCIE_1, io_sel);
+	pcie_configured = is_serdes_configured(PCIE1);
 
 	if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE)){
 		SET_STD_PCIE_INFO(pci_info[num], 1);
diff --git a/board/freescale/mpc8610hpcd/mpc8610hpcd.c b/board/freescale/mpc8610hpcd/mpc8610hpcd.c
index 61a635de78d25cfb1759686f9bd5c467a4e22528..8abd91788926d0361f70ce26100c54e55b1b8c4c 100644
--- a/board/freescale/mpc8610hpcd/mpc8610hpcd.c
+++ b/board/freescale/mpc8610hpcd/mpc8610hpcd.c
@@ -27,6 +27,7 @@
 #include <asm/immap_86xx.h>
 #include <asm/fsl_pci.h>
 #include <asm/fsl_ddr_sdram.h>
+#include <asm/fsl_serdes.h>
 #include <i2c.h>
 #include <asm/io.h>
 #include <libfdt.h>
@@ -225,7 +226,7 @@ void pci_init_board(void)
 	volatile immap_t *immap = (immap_t *) CONFIG_SYS_CCSRBAR;
 	volatile ccsr_gur_t *gur = &immap->im_gur;
 	struct fsl_pci_info pci_info[3];
-	u32 devdisr, pordevsr, io_sel;
+	u32 devdisr, pordevsr;
 	int first_free_busno = 0;
 	int num = 0;
 
@@ -233,13 +234,9 @@ void pci_init_board(void)
 
 	devdisr = in_be32(&gur->devdisr);
 	pordevsr = in_be32(&gur->pordevsr);
-	io_sel = (pordevsr & MPC8610_PORDEVSR_IO_SEL)
-			>> MPC8610_PORDEVSR_IO_SEL_SHIFT;
-
-	debug ("   pci_init_board: devdisr=%x, io_sel=%x\n", devdisr, io_sel);
 
 #ifdef CONFIG_PCIE1
-	pcie_configured = is_fsl_pci_cfg(LAW_TRGT_IF_PCIE_1, io_sel);
+	pcie_configured = is_serdes_configured(PCIE1);
 
 	if (pcie_configured && !(devdisr & MPC86xx_DEVDISR_PCIE1)){
 		SET_STD_PCIE_INFO(pci_info[num], 1);
@@ -260,7 +257,7 @@ void pci_init_board(void)
 #endif
 
 #ifdef CONFIG_PCIE2
-	pcie_configured = is_fsl_pci_cfg(LAW_TRGT_IF_PCIE_2, io_sel);
+	pcie_configured = is_serdes_configured(PCIE2);
 
 	if (pcie_configured && !(devdisr & MPC86xx_DEVDISR_PCIE2)){
 		SET_STD_PCIE_INFO(pci_info[num], 2);
diff --git a/board/freescale/mpc8641hpcn/mpc8641hpcn.c b/board/freescale/mpc8641hpcn/mpc8641hpcn.c
index 882ff0bf2d1eb8b41f8d92ef5cebb732e19984c9..e95102170d83c7eda9d78d4bc30271b328f97749 100644
--- a/board/freescale/mpc8641hpcn/mpc8641hpcn.c
+++ b/board/freescale/mpc8641hpcn/mpc8641hpcn.c
@@ -26,6 +26,7 @@
 #include <asm/immap_86xx.h>
 #include <asm/fsl_pci.h>
 #include <asm/fsl_ddr_sdram.h>
+#include <asm/fsl_serdes.h>
 #include <asm/io.h>
 #include <libfdt.h>
 #include <fdt_support.h>
@@ -147,9 +148,7 @@ void pci_init_board(void)
 	volatile immap_t *immap = (immap_t *) CONFIG_SYS_CCSRBAR;
 	volatile ccsr_gur_t *gur = &immap->im_gur;
 	uint devdisr = in_be32(&gur->devdisr);
-	uint io_sel = (gur->pordevsr & MPC8641_PORDEVSR_IO_SEL)
-		>> MPC8641_PORDEVSR_IO_SEL_SHIFT;
-	int pcie_configured = is_fsl_pci_cfg(LAW_TRGT_IF_PCIE_1, io_sel);
+	int pcie_configured = is_serdes_configured(PCIE1);
 
 	if (pcie_configured && !(devdisr & MPC86xx_DEVDISR_PCIEX1)) {
 		SET_STD_PCIE_INFO(pci_info[num], 1);
diff --git a/board/freescale/p1_p2_rdb/pci.c b/board/freescale/p1_p2_rdb/pci.c
index 2a2d6b702fb20daf50f4e1239fbd96ab742790e2..e95431b7a357b7d4b4257787a4b1795fe581e960 100644
--- a/board/freescale/p1_p2_rdb/pci.c
+++ b/board/freescale/p1_p2_rdb/pci.c
@@ -24,6 +24,7 @@
 #include <command.h>
 #include <pci.h>
 #include <asm/immap_85xx.h>
+#include <asm/fsl_serdes.h>
 #include <asm/io.h>
 #include <asm/fsl_pci.h>
 #include <libfdt.h>
@@ -43,7 +44,7 @@ void pci_init_board(void)
 {
 	volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
 	struct fsl_pci_info pci_info[2];
-	u32 devdisr, pordevsr, io_sel;
+	u32 devdisr, pordevsr;
 	int first_free_busno = 0;
 	int num = 0;
 
@@ -51,16 +52,13 @@ void pci_init_board(void)
 
 	devdisr = in_be32(&gur->devdisr);
 	pordevsr = in_be32(&gur->pordevsr);
-	io_sel = (pordevsr & MPC85xx_PORDEVSR_IO_SEL) >> 19;
-
-	debug ("   pci_init_board: devdisr=%x, io_sel=%x\n", devdisr, io_sel);
 
 	if (!(pordevsr & MPC85xx_PORDEVSR_SGMII2_DIS))
 		printf("eTSEC2 is in sgmii mode.\n");
 
 	puts("\n");
 #ifdef CONFIG_PCIE2
-	pcie_configured = is_fsl_pci_cfg(LAW_TRGT_IF_PCIE_2, io_sel);
+	pcie_configured = is_serdes_configured(PCIE2);
 
 	if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE)){
 		SET_STD_PCIE_INFO(pci_info[num], 2);
@@ -79,7 +77,7 @@ void pci_init_board(void)
 #endif
 
 #ifdef CONFIG_PCIE1
-	pcie_configured = is_fsl_pci_cfg(LAW_TRGT_IF_PCIE_1, io_sel);
+	pcie_configured = is_serdes_configured(PCIE1);
 
 	if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE)){
 		SET_STD_PCIE_INFO(pci_info[num], 1);
diff --git a/board/freescale/p2020ds/p2020ds.c b/board/freescale/p2020ds/p2020ds.c
index b05ef989b915674e75bd0af6989ef3f447ae4858..a40be13906d1b8a17391ad5647c8d065d3ff8ecc 100644
--- a/board/freescale/p2020ds/p2020ds.c
+++ b/board/freescale/p2020ds/p2020ds.c
@@ -30,6 +30,7 @@
 #include <asm/fsl_pci.h>
 #include <asm/fsl_ddr_sdram.h>
 #include <asm/io.h>
+#include <asm/fsl_serdes.h>
 #include <miiphy.h>
 #include <libfdt.h>
 #include <fdt_support.h>
@@ -210,7 +211,7 @@ void pci_init_board(void)
 
 	puts("\n");
 #ifdef CONFIG_PCIE2
-	pcie_configured = is_fsl_pci_cfg(LAW_TRGT_IF_PCIE_2, io_sel);
+	pcie_configured = is_serdes_configured(PCIE2);
 
 	if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE2)) {
 		SET_STD_PCIE_INFO(pci_info[num], 2);
@@ -250,7 +251,7 @@ void pci_init_board(void)
 #endif
 
 #ifdef CONFIG_PCIE3
-	pcie_configured = is_fsl_pci_cfg(LAW_TRGT_IF_PCIE_3, io_sel);
+	pcie_configured = is_serdes_configured(PCIE3);
 
 	if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE3)) {
 		SET_STD_PCIE_INFO(pci_info[num], 3);
@@ -269,7 +270,7 @@ void pci_init_board(void)
 #endif
 
 #ifdef CONFIG_PCIE1
-	pcie_configured = is_fsl_pci_cfg(LAW_TRGT_IF_PCIE_1, io_sel);
+	pcie_configured = is_serdes_configured(PCIE1);
 
 	if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE)) {
 		SET_STD_PCIE_INFO(pci_info[num], 1);
diff --git a/board/sbc8548/sbc8548.c b/board/sbc8548/sbc8548.c
index 272428fbf8027f1bbe7cda993a9cc04be02d328f..06c1eea37792bd0fbb21585ef93da81327bcb8da 100644
--- a/board/sbc8548/sbc8548.c
+++ b/board/sbc8548/sbc8548.c
@@ -32,6 +32,7 @@
 #include <asm/immap_85xx.h>
 #include <asm/fsl_pci.h>
 #include <asm/fsl_ddr_sdram.h>
+#include <asm/fsl_serdes.h>
 #include <spd_sdram.h>
 #include <netdev.h>
 #include <tsec.h>
@@ -364,7 +365,7 @@ pci_init_board(void)
 	setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_PCI2); /* disable PCI2 */
 
 #ifdef CONFIG_PCIE1
-	pcie_configured = is_fsl_pci_cfg(LAW_TRGT_IF_PCIE_1, io_sel);
+	pcie_configured = is_serdes_configured(PCIE1);
 
 	if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE)){
 		SET_STD_PCIE_INFO(pci_info[num], 1);
diff --git a/board/sbc8641d/sbc8641d.c b/board/sbc8641d/sbc8641d.c
index 5bf2364ee2d7e00a70824eb204ced9585d9a3612..5ee8f73c22ab75160b59e641f6e7cea61e8e9305 100644
--- a/board/sbc8641d/sbc8641d.c
+++ b/board/sbc8641d/sbc8641d.c
@@ -35,6 +35,7 @@
 #include <asm/immap_86xx.h>
 #include <asm/fsl_pci.h>
 #include <asm/fsl_ddr_sdram.h>
+#include <asm/fsl_serdes.h>
 #include <libfdt.h>
 #include <fdt_support.h>
 
@@ -210,13 +211,11 @@ void pci_init_board(void)
 	volatile immap_t *immap = (immap_t *) CONFIG_SYS_CCSRBAR;
 	volatile ccsr_gur_t *gur = &immap->im_gur;
 	uint devdisr = in_be32(&gur->devdisr);
-	uint io_sel = (gur->pordevsr & MPC8641_PORDEVSR_IO_SEL)
-		>> MPC8641_PORDEVSR_IO_SEL_SHIFT;
 	int pcie_ep;
 	int num = 0;
 
 #ifdef CONFIG_PCIE1
-	int pcie_configured = is_fsl_pci_cfg(LAW_TRGT_IF_PCIE_1, io_sel);
+	int pcie_configured = is_serdes_configured(PCIE1);
 
 	if (pcie_configured && !(devdisr & MPC86xx_DEVDISR_PCIEX1)) {
 		SET_STD_PCIE_INFO(pci_info[num], 1);
diff --git a/board/tqc/tqm85xx/tqm85xx.c b/board/tqc/tqm85xx/tqm85xx.c
index 527af6dd2ee84a39dc4bbb2453b1d6f87f029f17..43c73e19e71eb041f25db7a97030616c23545e4b 100644
--- a/board/tqc/tqm85xx/tqm85xx.c
+++ b/board/tqc/tqm85xx/tqm85xx.c
@@ -38,6 +38,7 @@
 #include <asm/immap_85xx.h>
 #include <asm/fsl_pci.h>
 #include <asm/io.h>
+#include <asm/fsl_serdes.h>
 #include <linux/compiler.h>
 #include <ioports.h>
 #include <flash.h>
@@ -555,8 +556,6 @@ void pci_init_board (void)
 	volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
 	u32 devdisr = in_be32(&gur->devdisr);
 	u32 pordevsr = in_be32(&gur->pordevsr);
-	__maybe_unused uint io_sel = (pordevsr & MPC85xx_PORDEVSR_IO_SEL) >>
-			MPC85xx_PORDEVSR_IO_SEL_SHIFT;
 
 #ifdef CONFIG_PCI1
 	uint pci_32 = in_be32(&gur->pordevsr) & MPC85xx_PORDEVSR_PCI1_PCI32;
@@ -598,7 +597,7 @@ void pci_init_board (void)
 #endif
 
 #ifdef CONFIG_PCIE1
-	pcie_configured = is_fsl_pci_cfg(LAW_TRGT_IF_PCIE_1, io_sel);
+	pcie_configured = is_serdes_configured(PCIE1);
 
 	if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE)) {
 		SET_STD_PCIE_INFO(pci_info[num], 1);
diff --git a/board/xes/common/fsl_8xxx_pci.c b/board/xes/common/fsl_8xxx_pci.c
index 4a0965bf08dfcaee9c8c24918c6eb52fc9dfa9e9..4135849f1eb269ba685d27c3b6e6d4e903c1c6ed 100644
--- a/board/xes/common/fsl_8xxx_pci.c
+++ b/board/xes/common/fsl_8xxx_pci.c
@@ -24,6 +24,7 @@
 #include <common.h>
 #include <pci.h>
 #include <asm/fsl_pci.h>
+#include <asm/fsl_serdes.h>
 #include <asm/io.h>
 #include <linux/compiler.h>
 #include <libfdt.h>
@@ -81,11 +82,9 @@ void pci_init_board(void)
 	volatile ccsr_gur_t *gur = &immap->im_gur;
 #endif
 	u32 devdisr = in_be32(&gur->devdisr);
-	u32 pordevsr = in_be32(&gur->pordevsr);
-	__maybe_unused uint io_sel = (pordevsr & MPC8xxx_PORDEVSR_IO_SEL) >>
-			MPC8xxx_PORDEVSR_IO_SEL_SHIFT;
 
 #ifdef CONFIG_PCI1
+	u32 pordevsr = in_be32(&gur->pordevsr);
 	uint pci_spd_norm = in_be32(&gur->pordevsr) & MPC85xx_PORDEVSR_PCI1_SPD;
 	uint pci_32 = in_be32(&gur->pordevsr) & MPC85xx_PORDEVSR_PCI1_PCI32;
 	uint pci_arb = in_be32(&gur->pordevsr) & MPC85xx_PORDEVSR_PCI1_ARB;
@@ -114,7 +113,7 @@ void pci_init_board(void)
 #endif
 
 #ifdef CONFIG_PCIE1
-	pcie_configured = is_fsl_pci_cfg(LAW_TRGT_IF_PCIE_1, io_sel);
+	pcie_configured = is_serdes_configured(PCIE1);
 
 	if (pcie_configured && !(devdisr & MPC8xxx_DEVDISR_PCIE1)) {
 		SET_STD_PCIE_INFO(pci_info[num], 1);
@@ -131,7 +130,7 @@ void pci_init_board(void)
 #endif /* CONFIG_PCIE1 */
 
 #ifdef CONFIG_PCIE2
-	pcie_configured = is_fsl_pci_cfg(LAW_TRGT_IF_PCIE_2, io_sel);
+	pcie_configured = is_serdes_configured(PCIE2);
 
 	if (pcie_configured && !(devdisr & MPC8xxx_DEVDISR_PCIE2)) {
 		SET_STD_PCIE_INFO(pci_info[num], 2);
@@ -148,7 +147,7 @@ void pci_init_board(void)
 #endif /* CONFIG_PCIE2 */
 
 #ifdef CONFIG_PCIE3
-	pcie_configured = is_fsl_pci_cfg(LAW_TRGT_IF_PCIE_3, io_sel);
+	pcie_configured = is_serdes_configured(PCIE3);
 
 	if (pcie_configured && !(devdisr & MPC8xxx_DEVDISR_PCIE3)) {
 		SET_STD_PCIE_INFO(pci_info[num], 3);