diff --git a/arch/powerpc/cpu/mpc85xx/p1021_serdes.c b/arch/powerpc/cpu/mpc85xx/p1021_serdes.c
index 457ab5dca8..1849c1642c 100644
--- a/arch/powerpc/cpu/mpc85xx/p1021_serdes.c
+++ b/arch/powerpc/cpu/mpc85xx/p1021_serdes.c
@@ -1,5 +1,5 @@
 /*
- * Copyright 2010 Freescale Semiconductor, Inc.
+ * Copyright 2010-2011 Freescale Semiconductor, Inc.
  *
  * See file CREDITS for list of people who contributed to this
  * project.
@@ -26,6 +26,24 @@
 #include <asm/immap_85xx.h>
 #include <asm/fsl_serdes.h>
 
+typedef struct serdes_85xx {
+	u32	srdscr0;	/* 0x00 - SRDS Control Register 0 */
+	u32	srdscr1;	/* 0x04 - SRDS Control Register 1 */
+	u32	srdscr2;	/* 0x08 - SRDS Control Register 2 */
+	u32	srdscr3;	/* 0x0C - SRDS Control Register 3 */
+	u32	srdscr4;	/* 0x10 - SRDS Control Register 4 */
+} serdes_85xx_t;
+#define FSL_SRDSCR3_EIC0(x)	(((x) & 0x1f) << 8)
+#define FSL_SRDSCR3_EIC0_MASK	FSL_SRDSCR3_EIC0(0x1f)
+#define FSL_SRDSCR3_EIC1(x)	(((x) & 0x1f) << 0)
+#define FSL_SRDSCR3_EIC1_MASK	FSL_SRDSCR3_EIC1(0x1f)
+#define FSL_SRDSCR4_EIC2(x)	(((x) & 0x1f) << 8)
+#define FSL_SRDSCR4_EIC2_MASK	FSL_SRDSCR4_EIC2(0x1f)
+#define FSL_SRDSCR4_EIC3(x)	(((x) & 0x1f) << 0)
+#define FSL_SRDSCR4_EIC3_MASK	FSL_SRDSCR4_EIC3(0x1f)
+#define EIC_PCIE	0x13
+#define EIC_SGMII	0x04
+
 #define SRDS1_MAX_LANES		4
 
 static u32 serdes1_prtcl_map;
@@ -45,10 +63,13 @@ int is_serdes_configured(enum srds_prtcl prtcl)
 void fsl_serdes_init(void)
 {
 	ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
+	serdes_85xx_t *serdes = (void *)CONFIG_SYS_MPC85xx_SERDES1_ADDR;
+
 	u32 pordevsr = in_be32(&gur->pordevsr);
 	u32 srds_cfg = (pordevsr & MPC85xx_PORDEVSR_IO_SEL) >>
 				MPC85xx_PORDEVSR_IO_SEL_SHIFT;
 	int lane;
+	u32 mask, val;
 
 	debug("PORDEVSR[IO_SEL_SRDS] = %x\n", srds_cfg);
 
@@ -61,4 +82,30 @@ void fsl_serdes_init(void)
 		enum srds_prtcl lane_prtcl = serdes1_cfg_tbl[srds_cfg][lane];
 		serdes1_prtcl_map |= (1 << lane_prtcl);
 	}
+
+	/* Init SERDES Receiver electrical idle detection control for PCIe */
+
+	/* Lane 0 is always PCIe 1 */
+	mask = FSL_SRDSCR3_EIC0_MASK;
+	val = FSL_SRDSCR3_EIC0(EIC_PCIE);
+
+	/* Lane 1 */
+	if ((serdes1_cfg_tbl[srds_cfg][1] == PCIE1) ||
+	    (serdes1_cfg_tbl[srds_cfg][1] == PCIE2)) {
+		mask |= FSL_SRDSCR3_EIC1_MASK;
+		val |= FSL_SRDSCR3_EIC1(EIC_PCIE);
+	}
+
+	/* Handle lanes 0 & 1 */
+	clrsetbits_be32(&serdes->srdscr3, mask, val);
+
+	/* Handle lanes 2 & 3 */
+	if (srds_cfg == 0x6) {
+		mask = FSL_SRDSCR4_EIC2_MASK | FSL_SRDSCR4_EIC3_MASK;
+		val = FSL_SRDSCR4_EIC2(EIC_PCIE) | FSL_SRDSCR4_EIC3(EIC_PCIE);
+		clrsetbits_be32(&serdes->srdscr4, mask, val);
+	}
+
+	/* 100 ms delay */
+	udelay(100000);
 }
diff --git a/arch/powerpc/include/asm/config_mpc85xx.h b/arch/powerpc/include/asm/config_mpc85xx.h
index 22086a0f0e..6c16681b7f 100644
--- a/arch/powerpc/include/asm/config_mpc85xx.h
+++ b/arch/powerpc/include/asm/config_mpc85xx.h
@@ -90,12 +90,14 @@
 #define CONFIG_MAX_CPUS			1
 #define CONFIG_SYS_FSL_NUM_LAWS		12
 #define CONFIG_TSECV2
+#define CONFIG_FSL_PCIE_DISABLE_ASPM
 #define CONFIG_SYS_FSL_SEC_COMPAT	2
 
 #elif defined(CONFIG_P1012)
 #define CONFIG_MAX_CPUS			1
 #define CONFIG_SYS_FSL_NUM_LAWS		12
 #define CONFIG_TSECV2
+#define CONFIG_FSL_PCIE_DISABLE_ASPM
 #define CONFIG_SYS_FSL_SEC_COMPAT	2
 
 #elif defined(CONFIG_P1013)
@@ -117,12 +119,14 @@
 #define CONFIG_MAX_CPUS			2
 #define CONFIG_SYS_FSL_NUM_LAWS		12
 #define CONFIG_TSECV2
+#define CONFIG_FSL_PCIE_DISABLE_ASPM
 #define CONFIG_SYS_FSL_SEC_COMPAT	2
 
 #elif defined(CONFIG_P1021)
 #define CONFIG_MAX_CPUS			2
 #define CONFIG_SYS_FSL_NUM_LAWS		12
 #define CONFIG_TSECV2
+#define CONFIG_FSL_PCIE_DISABLE_ASPM
 #define CONFIG_SYS_FSL_SEC_COMPAT	2
 
 #elif defined(CONFIG_P1022)
diff --git a/drivers/pci/fsl_pci_init.c b/drivers/pci/fsl_pci_init.c
index 3118b85faa..dc34bd6669 100644
--- a/drivers/pci/fsl_pci_init.c
+++ b/drivers/pci/fsl_pci_init.c
@@ -317,6 +317,13 @@ void fsl_pci_init(struct pci_controller *hose, struct fsl_pci_info *pci_info)
 	temp32 |= 0xf000e;		/* set URR, FER, NFER (but not CER) */
 	pci_hose_write_config_dword(hose, dev, PCI_DCR, temp32);
 
+#if defined(CONFIG_FSL_PCIE_DISABLE_ASPM)
+	temp32 = 0;
+	pci_hose_read_config_dword(hose, dev, PCI_LCR, &temp32);
+	temp32 &= ~0x03;		/* Disable ASPM  */
+	pci_hose_write_config_dword(hose, dev, PCI_LCR, temp32);
+	udelay(1);
+#endif
 	if (pcie_cap == PCI_CAP_ID_EXP) {
 		pci_hose_read_config_word(hose, dev, PCI_LTSSM, &ltssm);
 		enabled = ltssm >= PCI_LTSSM_L0;
diff --git a/include/pci.h b/include/pci.h
index c6b264bdb5..1284c427b5 100644
--- a/include/pci.h
+++ b/include/pci.h
@@ -306,6 +306,7 @@
 #define PCI_DCR		0x54    /* PCIe Device Control Register */
 #define PCI_DSR		0x56    /* PCIe Device Status Register */
 #define PCI_LSR		0x5e    /* PCIe Link Status Register */
+#define PCI_LCR		0x5c    /* PCIe Link Control Register */
 #define PCI_LTSSM	0x404   /* PCIe Link Training, Status State Machine */
 #define  PCI_LTSSM_L0	0x16    /* L0 state */