diff --git a/arch/powerpc/cpu/mpc85xx/Makefile b/arch/powerpc/cpu/mpc85xx/Makefile
index 6ae113a..b7c0272 100644
--- a/arch/powerpc/cpu/mpc85xx/Makefile
+++ b/arch/powerpc/cpu/mpc85xx/Makefile
@@ -76,6 +76,8 @@ COBJS-$(CONFIG_PPC_P4080) += p4080_ids.o
 
 COBJS-$(CONFIG_QE)	+= qe_io.o
 COBJS-$(CONFIG_CPM2)	+= serial_scc.o
+COBJS-$(CONFIG_FSL_CORENET) += fsl_corenet_serdes.o
+COBJS-$(CONFIG_PPC_P4080) += p4080_serdes.o
 
 COBJS	= $(COBJS-y)
 COBJS	+= cpu.o
diff --git a/arch/powerpc/cpu/mpc85xx/fsl_corenet_serdes.c b/arch/powerpc/cpu/mpc85xx/fsl_corenet_serdes.c
new file mode 100644
index 0000000..1c03061
--- /dev/null
+++ b/arch/powerpc/cpu/mpc85xx/fsl_corenet_serdes.c
@@ -0,0 +1,212 @@
+/*
+ * 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_serdes.h>
+#include <asm/immap_85xx.h>
+#include <asm/io.h>
+#include <asm/processor.h>
+#include "fsl_corenet_serdes.h"
+
+static u32 serdes_prtcl_map;
+
+#ifdef DEBUG
+static const char *serdes_prtcl_str[] = {
+	[NONE] = "NA",
+	[PCIE1] = "PCIE1",
+	[PCIE2] = "PCIE2",
+	[PCIE3] = "PCIE3",
+	[PCIE4] = "PCIE4",
+	[SATA1] = "SATA1",
+	[SATA2] = "SATA2",
+	[SRIO1] = "SRIO1",
+	[SRIO2] = "SRIO2",
+	[SGMII_FM1_DTSEC1] = "SGMII_FM1_DTSEC1",
+	[SGMII_FM1_DTSEC2] = "SGMII_FM1_DTSEC2",
+	[SGMII_FM1_DTSEC3] = "SGMII_FM1_DTSEC3",
+	[SGMII_FM1_DTSEC4] = "SGMII_FM1_DTSEC4",
+	[SGMII_FM1_DTSEC5] = "SGMII_FM1_DTSEC5",
+	[SGMII_FM2_DTSEC1] = "SGMII_FM2_DTSEC1",
+	[SGMII_FM2_DTSEC2] = "SGMII_FM2_DTSEC2",
+	[SGMII_FM2_DTSEC3] = "SGMII_FM2_DTSEC3",
+	[SGMII_FM2_DTSEC4] = "SGMII_FM2_DTSEC4",
+	[XAUI_FM1] = "XAUI_FM1",
+	[XAUI_FM2] = "XAUI_FM2",
+	[AURORA] = "DEBUG",
+};
+#endif
+
+static const struct {
+	int idx;
+	unsigned int lpd; /* RCW lane powerdown bit */
+	int bank;
+} lanes[SRDS_MAX_LANES] = {
+	{ 0, 152, FSL_SRDS_BANK_1 },
+	{ 1, 153, FSL_SRDS_BANK_1 },
+	{ 2, 154, FSL_SRDS_BANK_1 },
+	{ 3, 155, FSL_SRDS_BANK_1 },
+	{ 4, 156, FSL_SRDS_BANK_1 },
+	{ 5, 157, FSL_SRDS_BANK_1 },
+	{ 6, 158, FSL_SRDS_BANK_1 },
+	{ 7, 159, FSL_SRDS_BANK_1 },
+	{ 8, 160, FSL_SRDS_BANK_1 },
+	{ 9, 161, FSL_SRDS_BANK_1 },
+	{ 16, 162, FSL_SRDS_BANK_2 },
+	{ 17, 163, FSL_SRDS_BANK_2 },
+	{ 18, 164, FSL_SRDS_BANK_2 },
+	{ 19, 165, FSL_SRDS_BANK_2 },
+	{ 20, 170, FSL_SRDS_BANK_3 },
+	{ 21, 171, FSL_SRDS_BANK_3 },
+	{ 22, 172, FSL_SRDS_BANK_3 },
+	{ 23, 173, FSL_SRDS_BANK_3 },
+};
+
+int serdes_get_lane_idx(int lane)
+{
+	return lanes[lane].idx;
+}
+
+int serdes_get_bank(int lane)
+{
+	return lanes[lane].bank;
+}
+
+int serdes_lane_enabled(int lane)
+{
+	ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
+	serdes_corenet_t *regs = (void *)CONFIG_SYS_FSL_CORENET_SERDES_ADDR;
+
+	int bank = lanes[lane].bank;
+	int word = lanes[lane].lpd / 32;
+	int bit = lanes[lane].lpd % 32;
+
+	if (in_be32(&regs->bank[bank].rstctl) & SRDS_RSTCTL_SDPD)
+		return 0;
+
+	return !(in_be32(&gur->rcwsr[word]) & (0x80000000 >> bit));
+}
+
+int is_serdes_configured(enum srds_prtcl device)
+{
+	ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
+
+	/* Is serdes enabled at all? */
+	if (!(in_be32(&gur->rcwsr[5]) & FSL_CORENET_RCWSR5_SRDS_EN))
+		return 0;
+
+	return (1 << device) & serdes_prtcl_map;
+}
+
+void fsl_serdes_init(void)
+{
+	ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
+	int cfg;
+	serdes_corenet_t *srds_regs;
+	int lane, bank, idx;
+	enum srds_prtcl lane_prtcl;
+	long long end_tick;
+	int have_bank[SRDS_MAX_BANK] = {};
+
+	/* Is serdes enabled at all? */
+	if (!(in_be32(&gur->rcwsr[5]) & FSL_CORENET_RCWSR5_SRDS_EN))
+		return;
+
+	srds_regs = (void *)(CONFIG_SYS_FSL_CORENET_SERDES_ADDR);
+	cfg = (in_be32(&gur->rcwsr[4]) & FSL_CORENET_RCWSR4_SRDS_PRTCL) >> 26;
+	debug("Using SERDES configuration 0x%x, lane settings:\n", cfg);
+
+	if (!is_serdes_prtcl_valid(cfg)) {
+		printf("SERDES[PRTCL] = 0x%x is not valid\n", cfg);
+		return;
+	}
+
+	/* Look for banks with all lanes disabled, and power down the bank. */
+	for (lane = 0; lane < SRDS_MAX_LANES; lane++) {
+		enum srds_prtcl lane_prtcl = serdes_get_prtcl(cfg, lane);
+		if (serdes_lane_enabled(lane)) {
+			have_bank[serdes_get_bank(lane)] = 1;
+			serdes_prtcl_map |= (1 << lane_prtcl);
+		}
+	}
+
+	for (bank = 0; bank < SRDS_MAX_BANK; bank++) {
+		if (!have_bank[bank]) {
+			printf("SERDES: bank %d disabled\n", bank + 1);
+			setbits_be32(&srds_regs->bank[bank].rstctl,
+				     SRDS_RSTCTL_SDPD);
+		}
+	}
+
+	for (lane = 0; lane < SRDS_MAX_LANES; lane++) {
+		idx = serdes_get_lane_idx(lane);
+		lane_prtcl = serdes_get_prtcl(cfg, lane);
+
+#ifdef DEBUG
+		switch (lane) {
+		case 0:
+			puts("Bank1: ");
+			break;
+		case 10:
+			puts("\nBank2: ");
+			break;
+		case 14:
+			puts("\nBank3: ");
+			break;
+		default:
+			break;
+		}
+
+		printf("%s ", serdes_prtcl_str[lane_prtcl]);
+#endif
+	}
+
+#ifdef DEBUG
+	puts("\n");
+#endif
+
+	for (idx = 0; idx < SRDS_MAX_BANK; idx++) {
+		u32 rstctl;
+
+		bank = idx;
+
+		/* Skip disabled banks */
+		if (!have_bank[bank])
+			continue;
+
+		/* reset banks for errata */
+		setbits_be32(&srds_regs->bank[bank].rstctl, SRDS_RSTCTL_RST);
+
+		/* wait for reset complete or 1-second timeout */
+		end_tick = usec2ticks(1000000) + get_ticks();
+		do {
+			rstctl = in_be32(&srds_regs->bank[bank].rstctl);
+			if (rstctl & SRDS_RSTCTL_RSTDONE)
+				break;
+		} while (end_tick > get_ticks());
+
+		if (!(rstctl & SRDS_RSTCTL_RSTDONE)) {
+			printf("SERDES: timeout resetting bank %d\n",
+			       bank + 1);
+			continue;
+		}
+	}
+}
diff --git a/arch/powerpc/cpu/mpc85xx/fsl_corenet_serdes.h b/arch/powerpc/cpu/mpc85xx/fsl_corenet_serdes.h
new file mode 100644
index 0000000..4e1f331
--- /dev/null
+++ b/arch/powerpc/cpu/mpc85xx/fsl_corenet_serdes.h
@@ -0,0 +1,40 @@
+/*
+ * Copyright 2009-2010 Freescale Semiconductor, Inc.
+ *
+ * Author: Roy Zang <tie-fei.zang@freescale.com>
+ *
+ * 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
+ */
+
+#ifndef __FSL_CORENET_SERDES_H
+#define __FSL_CORENET_SERDES_H
+
+#define SRDS_MAX_LANES		18
+#define SRDS_MAX_BANK		3
+
+enum srds_bank {
+	FSL_SRDS_BANK_1  = 0,
+	FSL_SRDS_BANK_2  = 1,
+	FSL_SRDS_BANK_3  = 2,
+};
+
+int is_serdes_prtcl_valid(u32 prtcl);
+int serdes_get_lane_idx(int lane);
+int serdes_get_bank(int lane);
+int serdes_lane_enabled(int lane);
+enum srds_prtcl serdes_get_prtcl(int cfg, int lane);
+
+#endif /* __FSL_CORENET_SERDES_H */
diff --git a/arch/powerpc/cpu/mpc85xx/p4080_serdes.c b/arch/powerpc/cpu/mpc85xx/p4080_serdes.c
new file mode 100644
index 0000000..eb6223c
--- /dev/null
+++ b/arch/powerpc/cpu/mpc85xx/p4080_serdes.c
@@ -0,0 +1,94 @@
+/*
+ * 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/io.h>
+#include <asm/fsl_serdes.h>
+#include <asm/processor.h>
+#include <asm/io.h>
+#include "fsl_corenet_serdes.h"
+
+static u8 serdes_cfg_tbl[][SRDS_MAX_LANES] = {
+	[0x2] = {PCIE1, PCIE1, PCIE1, PCIE1, PCIE1, PCIE1, PCIE1, PCIE1,
+		AURORA, AURORA, XAUI_FM2, XAUI_FM2, XAUI_FM2, XAUI_FM2,
+		XAUI_FM1, XAUI_FM1, XAUI_FM1, XAUI_FM1},
+	[0x5] = {PCIE1, PCIE1, PCIE1, PCIE1, PCIE2, PCIE2, PCIE2, PCIE2,
+		AURORA, AURORA, XAUI_FM2, XAUI_FM2, XAUI_FM2, XAUI_FM2,
+		XAUI_FM1, XAUI_FM1, XAUI_FM1, XAUI_FM1},
+	[0x8] = {PCIE1, PCIE1, PCIE3, PCIE3, PCIE2, PCIE2, PCIE2, PCIE2,
+		AURORA, AURORA, XAUI_FM2, XAUI_FM2, XAUI_FM2, XAUI_FM2,
+		XAUI_FM1, XAUI_FM1, XAUI_FM1, XAUI_FM1},
+	[0xd] = {PCIE1, PCIE1, PCIE1, PCIE1, PCIE2, PCIE2, SGMII_FM2_DTSEC3,
+		SGMII_FM2_DTSEC4, AURORA, AURORA, XAUI_FM2, XAUI_FM2, XAUI_FM2,
+		XAUI_FM2, XAUI_FM1, XAUI_FM1, XAUI_FM1, XAUI_FM1},
+	[0xe] = {PCIE1, PCIE1, PCIE3, PCIE3, PCIE2, PCIE2, SGMII_FM2_DTSEC3,
+		SGMII_FM2_DTSEC4, AURORA, AURORA, XAUI_FM2, XAUI_FM2, XAUI_FM2,
+		XAUI_FM2, XAUI_FM1, XAUI_FM1, XAUI_FM1, XAUI_FM1},
+	[0xf] = {PCIE1, PCIE1, PCIE1, PCIE1, SGMII_FM2_DTSEC1, SGMII_FM2_DTSEC2,
+		SGMII_FM2_DTSEC3, SGMII_FM2_DTSEC4, AURORA, AURORA, XAUI_FM2,
+		XAUI_FM2, XAUI_FM2, XAUI_FM2, NONE, NONE, NONE, NONE},
+	[0x10] = {PCIE1, PCIE1, PCIE3, PCIE3, SGMII_FM2_DTSEC1,
+		SGMII_FM2_DTSEC2, SGMII_FM2_DTSEC3, SGMII_FM2_DTSEC4,
+		AURORA, AURORA, XAUI_FM2, XAUI_FM2, XAUI_FM2, XAUI_FM2,
+		NONE, NONE, NONE, NONE},
+	[0x13] = {SRIO2, SRIO2, SRIO2, SRIO2, SRIO1, SRIO1, SRIO1, SRIO1,
+		AURORA, AURORA, XAUI_FM2, XAUI_FM2, XAUI_FM2, XAUI_FM2,
+		XAUI_FM1, XAUI_FM1, XAUI_FM1, XAUI_FM1},
+	[0x16] = {SRIO2, SRIO2, SRIO2, SRIO2, SRIO1, SRIO1, SRIO1, SRIO1,
+		AURORA, AURORA, SGMII_FM2_DTSEC1, SGMII_FM2_DTSEC2,
+		SGMII_FM2_DTSEC3, SGMII_FM2_DTSEC4, SGMII_FM1_DTSEC1,
+		SGMII_FM1_DTSEC2, SGMII_FM1_DTSEC3, SGMII_FM1_DTSEC4},
+	[0x19] = {SRIO2, SRIO2, SRIO2, SRIO2, SRIO1, SRIO1, SRIO1, SRIO1,
+		AURORA, AURORA, PCIE3, PCIE3, PCIE3, PCIE3, SGMII_FM1_DTSEC1,
+		SGMII_FM1_DTSEC2, SGMII_FM1_DTSEC3, SGMII_FM1_DTSEC4},
+	[0x1d] = {PCIE1, PCIE1, PCIE3, PCIE3, NONE, SRIO2, NONE, SRIO1,
+		AURORA, AURORA, XAUI_FM2, XAUI_FM2, XAUI_FM2, XAUI_FM2,
+		XAUI_FM1, XAUI_FM1, XAUI_FM1, XAUI_FM1},
+	[0x22] = {PCIE1, PCIE1, PCIE1, PCIE1, SRIO1, SRIO1, SRIO1, SRIO1,
+		AURORA, AURORA, XAUI_FM2, XAUI_FM2, XAUI_FM2, XAUI_FM2,
+		XAUI_FM1, XAUI_FM1, XAUI_FM1, XAUI_FM1},
+	[0x25] = {PCIE1, PCIE1, PCIE3, PCIE3, SRIO1, SRIO1, SRIO1, SRIO1,
+		AURORA, AURORA, XAUI_FM2, XAUI_FM2, XAUI_FM2, XAUI_FM2,
+		XAUI_FM1, XAUI_FM1, XAUI_FM1, XAUI_FM1},
+};
+
+enum srds_prtcl serdes_get_prtcl(int cfg, int lane)
+{
+	if (!serdes_lane_enabled(lane))
+		return NONE;
+
+	return serdes_cfg_tbl[cfg][lane];
+}
+
+int is_serdes_prtcl_valid(u32 prtcl) {
+	int i;
+
+	if (prtcl > ARRAY_SIZE(serdes_cfg_tbl))
+		return 0;
+
+	for (i = 0; i < SRDS_MAX_LANES; i++) {
+		if (serdes_cfg_tbl[prtcl][i] != NONE)
+			return 1;
+	}
+
+	return 0;
+}
diff --git a/arch/powerpc/include/asm/fsl_serdes.h b/arch/powerpc/include/asm/fsl_serdes.h
index c7877b9..85518eb 100644
--- a/arch/powerpc/include/asm/fsl_serdes.h
+++ b/arch/powerpc/include/asm/fsl_serdes.h
@@ -32,8 +32,15 @@ enum srds_prtcl {
 	SATA2,
 	SRIO1,
 	SRIO2,
-	SGMII_FM1,
-	SGMII_FM2,
+	SGMII_FM1_DTSEC1,
+	SGMII_FM1_DTSEC2,
+	SGMII_FM1_DTSEC3,
+	SGMII_FM1_DTSEC4,
+	SGMII_FM1_DTSEC5,
+	SGMII_FM2_DTSEC1,
+	SGMII_FM2_DTSEC2,
+	SGMII_FM2_DTSEC3,
+	SGMII_FM2_DTSEC4,
 	SGMII_TSEC1,
 	SGMII_TSEC2,
 	SGMII_TSEC3,