arm: mvebu: Add Serdes PHY config code

This code is ported from the Marvell bin_hdr code into mainline
SPL U-Boot. It needs to be executed very early so that the devices
connected to the serdes PHY are configured correctly.

Signed-off-by: Stefan Roese <sr@denx.de>
Reviewed-by: Luka Perkov <luka.perkov@sartura.hr>

6 files changed, 2114 insertions, 0 deletions

diff --git a/arch/arm/mvebu-common/Makefile b/arch/arm/mvebu-common/Makefile
index 9dcab69..de243fe 100644
--- a/arch/arm/mvebu-common/Makefile
+++ b/arch/arm/mvebu-common/Makefile
@@ -10,3 +10,5 @@ obj-y	= dram.o
 obj-y	+= gpio.o
 obj-$(CONFIG_ARMADA_XP) += mbus.o
 obj-y	+= timer.o
+
+obj-y	+= serdes/
diff --git a/arch/arm/mvebu-common/serdes/Makefile b/arch/arm/mvebu-common/serdes/Makefile
new file mode 100644
index 0000000..a380fee
--- /dev/null
+++ b/arch/arm/mvebu-common/serdes/Makefile
@@ -0,0 +1,6 @@
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+obj-$(CONFIG_SPL_BUILD)	= high_speed_env_lib.o
+obj-$(CONFIG_SPL_BUILD)	+= high_speed_env_spec.o
diff --git a/arch/arm/mvebu-common/serdes/board_env_spec.h b/arch/arm/mvebu-common/serdes/board_env_spec.h
new file mode 100644
index 0000000..36e0ed8
--- /dev/null
+++ b/arch/arm/mvebu-common/serdes/board_env_spec.h
@@ -0,0 +1,262 @@
+/*
+ * Copyright (C) Marvell International Ltd. and its affiliates
+ *
+ * SPDX-License-Identifier:	GPL-2.0
+ */
+
+#ifndef __BOARD_ENV_SPEC
+#define __BOARD_ENV_SPEC
+
+/* Board specific configuration */
+
+/* KW40 */
+#define MV_6710_DEV_ID			0x6710
+
+#define MV_6710_Z1_REV			0x0
+#define MV_6710_Z1_ID			((MV_6710_DEV_ID << 16) | MV_6710_Z1_REV)
+#define MV_6710_Z1_NAME			"MV6710 Z1"
+
+/* Armada XP Family */
+#define MV_78130_DEV_ID			0x7813
+#define MV_78160_DEV_ID			0x7816
+#define MV_78230_DEV_ID			0x7823
+#define MV_78260_DEV_ID			0x7826
+#define MV_78460_DEV_ID			0x7846
+#define MV_78000_DEV_ID			0x7888
+
+#define MV_FPGA_DEV_ID			0x2107
+
+#define MV_78XX0_Z1_REV			0x0
+
+/* boards ID numbers */
+#define BOARD_ID_BASE			0x0
+
+/* New board ID numbers */
+#define DB_88F78XX0_BP_ID		(BOARD_ID_BASE)
+#define RD_78460_SERVER_ID		(DB_88F78XX0_BP_ID + 1)
+#define DB_78X60_PCAC_ID		(RD_78460_SERVER_ID + 1)
+#define FPGA_88F78XX0_ID		(DB_78X60_PCAC_ID + 1)
+#define DB_88F78XX0_BP_REV2_ID		(FPGA_88F78XX0_ID + 1)
+#define RD_78460_NAS_ID			(DB_88F78XX0_BP_REV2_ID + 1)
+#define DB_78X60_AMC_ID			(RD_78460_NAS_ID + 1)
+#define DB_78X60_PCAC_REV2_ID		(DB_78X60_AMC_ID + 1)
+#define RD_78460_SERVER_REV2_ID		(DB_78X60_PCAC_REV2_ID + 1)
+#define DB_784MP_GP_ID			(RD_78460_SERVER_REV2_ID + 1)
+#define RD_78460_CUSTOMER_ID		(DB_784MP_GP_ID + 1)
+#define MV_MAX_BOARD_ID			(RD_78460_CUSTOMER_ID + 1)
+#define INVALID_BAORD_ID		0xFFFFFFFF
+
+/* Sample at Reset */
+#define MPP_SAMPLE_AT_RESET(id)		(0x18230 + (id * 4))
+
+/* BIOS Modes related defines */
+
+#define SAR0_BOOTWIDTH_OFFSET		3
+#define SAR0_BOOTWIDTH_MASK		(0x3 << SAR0_BOOTWIDTH_OFFSET)
+#define SAR0_BOOTSRC_OFFSET		5
+#define SAR0_BOOTSRC_MASK		(0xF << SAR0_BOOTSRC_OFFSET)
+
+#define SAR0_L2_SIZE_OFFSET		19
+#define SAR0_L2_SIZE_MASK		(0x3 << SAR0_L2_SIZE_OFFSET)
+#define SAR0_CPU_FREQ_OFFSET		21
+#define SAR0_CPU_FREQ_MASK		(0x7 << SAR0_CPU_FREQ_OFFSET)
+#define SAR0_FABRIC_FREQ_OFFSET		24
+#define SAR0_FABRIC_FREQ_MASK		(0xF << SAR0_FABRIC_FREQ_OFFSET)
+#define SAR0_CPU0CORE_OFFSET		31
+#define SAR0_CPU0CORE_MASK		(0x1 << SAR0_CPU0CORE_OFFSET)
+#define SAR1_CPU0CORE_OFFSET		0
+#define SAR1_CPU0CORE_MASK		(0x1 << SAR1_CPU0CORE_OFFSET)
+
+#define PEX_CLK_100MHZ_OFFSET		2
+#define PEX_CLK_100MHZ_MASK		(0x1 << PEX_CLK_100MHZ_OFFSET)
+
+#define SAR1_FABRIC_MODE_OFFSET		19
+#define SAR1_FABRIC_MODE_MASK		(0x1 << SAR1_FABRIC_MODE_OFFSET)
+#define SAR1_CPU_MODE_OFFSET		20
+#define SAR1_CPU_MODE_MASK		(0x1 << SAR1_CPU_MODE_OFFSET)
+
+#define SAR_CPU_FAB_GET(cpu, fab)	(((cpu & 0x7) << 21) | ((fab & 0xF) << 24))
+
+
+#define CORE_AVS_CONTROL_0REG		0x18300
+#define CORE_AVS_CONTROL_2REG		0x18308
+#define CPU_AVS_CONTROL2_REG		0x20868
+#define CPU_AVS_CONTROL0_REG		0x20860
+#define GENERAL_PURPOSE_RESERVED0_REG	0x182E0
+
+#define MSAR_TCLK_OFFS			28
+#define MSAR_TCLK_MASK			(0x1 << MSAR_TCLK_OFFS)
+
+
+/* Controler environment registers offsets */
+#define GEN_PURP_RES_1_REG		0x182F4
+#define GEN_PURP_RES_2_REG		0x182F8
+
+/* registers offsets */
+#define MV_GPP_REGS_OFFSET(unit)	(0x18100 + ((unit) * 0x40))
+#define MPP_CONTROL_REG(id)		(0x18000 + (id * 4))
+#define MV_GPP_REGS_BASE(unit)		(MV_GPP_REGS_OFFSET(unit))
+#define MV_GPP_REGS_BASE_0		(MV_GPP_REGS_OFFSET_0)
+
+#define GPP_DATA_OUT_REG(grp)		(MV_GPP_REGS_BASE(grp) + 0x00)
+#define GPP_DATA_OUT_REG_0		(MV_GPP_REGS_BASE_0 + 0x00)	/* Used in .S files */
+#define GPP_DATA_OUT_EN_REG(grp)	(MV_GPP_REGS_BASE(grp) + 0x04)
+#define GPP_BLINK_EN_REG(grp)		(MV_GPP_REGS_BASE(grp) + 0x08)
+#define GPP_DATA_IN_POL_REG(grp)	(MV_GPP_REGS_BASE(grp) + 0x0C)
+#define GPP_DATA_IN_REG(grp)		(MV_GPP_REGS_BASE(grp) + 0x10)
+#define GPP_INT_CAUSE_REG(grp)		(MV_GPP_REGS_BASE(grp) + 0x14)
+#define GPP_INT_MASK_REG(grp)		(MV_GPP_REGS_BASE(grp) + 0x18)
+#define GPP_INT_LVL_REG(grp)		(MV_GPP_REGS_BASE(grp) + 0x1C)
+#define GPP_OUT_SET_REG(grp)		(0x18130 + ((grp) * 0x40))
+#define GPP_64_66_DATA_OUT_SET_REG	0x181A4
+#define GPP_OUT_CLEAR_REG(grp)		(0x18134 + ((grp) * 0x40))
+#define GPP_64_66_DATA_OUT_CLEAR_REG	0x181B0
+#define GPP_FUNC_SELECT_REG		(MV_GPP_REGS_BASE(0) + 0x40)
+
+#define MV_GPP66			(1 << 2)
+
+/* Relevant for MV78XX0 */
+#define GPP_DATA_OUT_SET_REG		(MV_GPP_REGS_BASE(0) + 0x20)
+#define GPP_DATA_OUT_CLEAR_REG		(MV_GPP_REGS_BASE(0) + 0x24)
+
+/* This define describes the maximum number of supported PEX Interfaces */
+#define MV_PEX_MAX_IF			10
+#define MV_PEX_MAX_UNIT			4
+
+#define MV_SERDES_NUM_TO_PEX_NUM(num)	((num < 8) ? (num) : (8 + (num / 12)))
+
+#define PEX_PHY_ACCESS_REG(unit)	(0x40000 + ((unit) % 2 * 0x40000) + \
+					 ((unit)/2 * 0x2000) + 0x1B00)
+
+#define SATA_BASE_REG(port)		(0xA2000 + (port)*0x2000)
+
+#define SATA_PWR_PLL_CTRL_REG(port)	(SATA_BASE_REG(port) + 0x804)
+#define SATA_DIG_LP_ENA_REG(port)	(SATA_BASE_REG(port) + 0x88C)
+#define SATA_REF_CLK_SEL_REG(port)	(SATA_BASE_REG(port) + 0x918)
+#define SATA_COMPHY_CTRL_REG(port)	(SATA_BASE_REG(port) + 0x920)
+#define SATA_LP_PHY_EXT_CTRL_REG(port)	(SATA_BASE_REG(port) + 0x058)
+#define SATA_LP_PHY_EXT_STAT_REG(port)	(SATA_BASE_REG(port) + 0x05C)
+#define SATA_IMP_TX_SSC_CTRL_REG(port)	(SATA_BASE_REG(port) + 0x810)
+#define SATA_GEN_1_SET_0_REG(port)	(SATA_BASE_REG(port) + 0x834)
+#define SATA_GEN_1_SET_1_REG(port)	(SATA_BASE_REG(port) + 0x838)
+#define SATA_GEN_2_SET_0_REG(port)	(SATA_BASE_REG(port) + 0x83C)
+#define SATA_GEN_2_SET_1_REG(port)	(SATA_BASE_REG(port) + 0x840)
+
+#define MV_ETH_BASE_ADDR		(0x72000)
+#define MV_ETH_REGS_OFFSET(port)	(MV_ETH_BASE_ADDR - ((port) / 2) * \
+					 0x40000 + ((port) % 2) * 0x4000)
+#define MV_ETH_REGS_BASE(port)		MV_ETH_REGS_OFFSET(port)
+
+
+#define SGMII_PWR_PLL_CTRL_REG(port)	(MV_ETH_REGS_BASE(port) + 0xE04)
+#define SGMII_DIG_LP_ENA_REG(port)	(MV_ETH_REGS_BASE(port) + 0xE8C)
+#define SGMII_REF_CLK_SEL_REG(port)	(MV_ETH_REGS_BASE(port) + 0xF18)
+#define SGMII_SERDES_CFG_REG(port)	(MV_ETH_REGS_BASE(port) + 0x4A0)
+#define SGMII_SERDES_STAT_REG(port)	(MV_ETH_REGS_BASE(port) + 0x4A4)
+#define SGMII_COMPHY_CTRL_REG(port)	(MV_ETH_REGS_BASE(port) + 0xF20)
+#define QSGMII_GEN_1_SETTING_REG(port)	(MV_ETH_REGS_BASE(port) + 0xE38)
+#define QSGMII_SERDES_CFG_REG(port)	(MV_ETH_REGS_BASE(port) + 0x4a0)
+
+#define SERDES_LINE_MUX_REG_0_7		0x18270
+#define SERDES_LINE_MUX_REG_8_15	0x18274
+#define QSGMII_CONTROL_1_REG		0x18404
+
+/* SOC_CTRL_REG fields */
+#define SCR_PEX_ENA_OFFS(pex)		((pex) & 0x3)
+#define SCR_PEX_ENA_MASK(pex)		(1 << pex)
+
+#define PCIE0_QUADX1_EN			(1<<7)
+#define PCIE1_QUADX1_EN			(1<<8)
+
+#define SCR_PEX_4BY1_OFFS(pex)		((pex) + 7)
+#define SCR_PEX_4BY1_MASK(pex)		(1 << SCR_PEX_4BY1_OFFS(pex))
+
+#define PCIE1_CLK_OUT_EN_OFF		5
+#define PCIE1_CLK_OUT_EN_MASK		(1 << PCIE1_CLK_OUT_EN_OFF)
+
+#define PCIE0_CLK_OUT_EN_OFF		4
+#define PCIE0_CLK_OUT_EN_MASK		(1 << PCIE0_CLK_OUT_EN_OFF)
+
+#define SCR_PEX0_4BY1_OFFS		7
+#define SCR_PEX0_4BY1_MASK		(1 << SCR_PEX0_4BY1_OFFS)
+
+#define SCR_PEX1_4BY1_OFFS		8
+#define SCR_PEX1_4BY1_MASK		(1 << SCR_PEX1_4BY1_OFFS)
+
+
+#define MV_MISC_REGS_OFFSET		(0x18200)
+#define MV_MISC_REGS_BASE		(MV_MISC_REGS_OFFSET)
+#define SOC_CTRL_REG			(MV_MISC_REGS_BASE + 0x4)
+
+/*
+ * PCI Express Control and Status Registers
+ */
+#define MAX_PEX_DEVICES			32
+#define MAX_PEX_FUNCS			8
+#define MAX_PEX_BUSSES			256
+
+#define PXSR_PEX_BUS_NUM_OFFS		8	/* Bus Number Indication */
+#define PXSR_PEX_BUS_NUM_MASK		(0xff << PXSR_PEX_BUS_NUM_OFFS)
+
+#define PXSR_PEX_DEV_NUM_OFFS		16	/* Device Number Indication */
+#define PXSR_PEX_DEV_NUM_MASK		(0x1f << PXSR_PEX_DEV_NUM_OFFS)
+
+#define PXSR_DL_DOWN			0x1	/* DL_Down indication. */
+#define PXCAR_CONFIG_EN			(1 << 31)
+#define PEX_STATUS_AND_COMMAND		0x004
+#define PXSAC_MABORT			(1 << 29) /* Recieved Master Abort */
+
+/* PCI Express Configuration Address Register */
+
+/* PEX_CFG_ADDR_REG (PXCAR) */
+#define PXCAR_REG_NUM_OFFS		2
+#define PXCAR_REG_NUM_MAX		0x3F
+#define PXCAR_REG_NUM_MASK		(PXCAR_REG_NUM_MAX << PXCAR_REG_NUM_OFFS)
+#define PXCAR_FUNC_NUM_OFFS		8
+#define PXCAR_FUNC_NUM_MAX		0x7
+#define PXCAR_FUNC_NUM_MASK		(PXCAR_FUNC_NUM_MAX << PXCAR_FUNC_NUM_OFFS)
+#define PXCAR_DEVICE_NUM_OFFS		11
+#define PXCAR_DEVICE_NUM_MAX		0x1F
+#define PXCAR_DEVICE_NUM_MASK		(PXCAR_DEVICE_NUM_MAX << PXCAR_DEVICE_NUM_OFFS)
+#define PXCAR_BUS_NUM_OFFS		16
+#define PXCAR_BUS_NUM_MAX		0xFF
+#define PXCAR_BUS_NUM_MASK		(PXCAR_BUS_NUM_MAX << PXCAR_BUS_NUM_OFFS)
+#define PXCAR_EXT_REG_NUM_OFFS		24
+#define PXCAR_EXT_REG_NUM_MAX		0xF
+
+#define PXCAR_REAL_EXT_REG_NUM_OFFS     8
+#define PXCAR_REAL_EXT_REG_NUM_MASK     (0xF << PXCAR_REAL_EXT_REG_NUM_OFFS)
+
+
+#define PEX_CAPABILITIES_REG(if)	((MV_PEX_IF_REGS_BASE(if)) + 0x60)
+#define PEX_LINK_CAPABILITIES_REG(if)	((MV_PEX_IF_REGS_BASE(if)) + 0x6C)
+#define PEX_LINK_CTRL_STATUS_REG(if)	((MV_PEX_IF_REGS_BASE(if)) + 0x70)
+#define PEX_LINK_CTRL_STATUS2_REG(if)	((MV_PEX_IF_REGS_BASE(if)) + 0x90)
+#define PEX_CTRL_REG(if)		((MV_PEX_IF_REGS_BASE(if)) + 0x1A00)
+#define PEX_STATUS_REG(if)		((MV_PEX_IF_REGS_BASE(if)) + 0x1A04)
+#define PEX_COMPLT_TMEOUT_REG(if)	((MV_PEX_IF_REGS_BASE(if)) + 0x1A10)
+#define PEX_PWR_MNG_EXT_REG(if)		((MV_PEX_IF_REGS_BASE(if)) + 0x1A18)
+#define PEX_FLOW_CTRL_REG(if)		((MV_PEX_IF_REGS_BASE(if)) + 0x1A20)
+#define PEX_DYNMC_WIDTH_MNG_REG(if)	((MV_PEX_IF_REGS_BASE(if)) + 0x1A30)
+#define PEX_ROOT_CMPLX_SSPL_REG(if)	((MV_PEX_IF_REGS_BASE(if)) + 0x1A0C)
+#define PEX_RAM_PARITY_CTRL_REG(if)	((MV_PEX_IF_REGS_BASE(if)) + 0x1A50)
+#define PEX_DBG_CTRL_REG(if)		((MV_PEX_IF_REGS_BASE(if)) + 0x1A60)
+#define PEX_DBG_STATUS_REG(if)		((MV_PEX_IF_REGS_BASE(if)) + 0x1A64)
+
+#define PXLCSR_NEG_LNK_GEN_OFFS		16	/* Negotiated Link GEN */
+#define PXLCSR_NEG_LNK_GEN_MASK		(0xf << PXLCSR_NEG_LNK_GEN_OFFS)
+#define PXLCSR_NEG_LNK_GEN_1_1		(0x1 << PXLCSR_NEG_LNK_GEN_OFFS)
+#define PXLCSR_NEG_LNK_GEN_2_0		(0x2 << PXLCSR_NEG_LNK_GEN_OFFS)
+
+#define PEX_CFG_ADDR_REG(if)		((MV_PEX_IF_REGS_BASE(if)) + 0x18F8)
+#define PEX_CFG_DATA_REG(if)		((MV_PEX_IF_REGS_BASE(if)) + 0x18FC)
+#define PEX_CAUSE_REG(if)		((MV_PEX_IF_REGS_BASE(if)) + 0x1900)
+
+#define PEX_CAPABILITY_REG		0x60
+#define PEX_DEV_CAPABILITY_REG		0x64
+#define PEX_DEV_CTRL_STAT_REG		0x68
+#define PEX_LINK_CAPABILITY_REG		0x6C
+#define PEX_LINK_CTRL_STAT_REG		0x70
+#define PEX_LINK_CTRL_STAT_2_REG	0x90
+
+#endif /* __BOARD_ENV_SPEC */
diff --git a/arch/arm/mvebu-common/serdes/high_speed_env_lib.c b/arch/arm/mvebu-common/serdes/high_speed_env_lib.c
new file mode 100644
index 0000000..702273a
--- /dev/null
+++ b/arch/arm/mvebu-common/serdes/high_speed_env_lib.c
@@ -0,0 +1,1572 @@
+/*
+ * Copyright (C) Marvell International Ltd. and its affiliates
+ *
+ * SPDX-License-Identifier:	GPL-2.0
+ */
+
+#include <common.h>
+#include <i2c.h>
+#include <spl.h>
+#include <asm/io.h>
+#include <asm/arch/cpu.h>
+#include <asm/arch/soc.h>
+
+#include "high_speed_env_spec.h"
+#include "board_env_spec.h"
+
+#define	SERDES_VERION	"2.1.5"
+#define ENDED_OK	"High speed PHY - Ended Successfully\n"
+
+static const u8 serdes_cfg[][SERDES_LAST_UNIT] = BIN_SERDES_CFG;
+
+extern MV_BIN_SERDES_CFG *serdes_info_tbl[];
+
+extern u8 rd78460gp_twsi_dev[];
+extern u8 db88f78xx0rev2_twsi_dev[];
+
+u32 pex_cfg_read(u32 pex_if, u32 bus, u32 dev, u32 func, u32 offs);
+int pex_local_bus_num_set(u32 pex_if, u32 bus_num);
+int pex_local_dev_num_set(u32 pex_if, u32 dev_num);
+
+#define MV_BOARD_PEX_MODULE_ADDR		0x23
+#define MV_BOARD_PEX_MODULE_ID			1
+#define MV_BOARD_ETM_MODULE_ID			2
+
+#define	PEX_MODULE_DETECT		1
+#define	ETM_MODULE_DETECT               2
+
+#define PEX_MODE_GET(satr)		((satr & 0x6) >> 1)
+#define PEX_CAPABILITY_GET(satr)	(satr & 1)
+#define MV_PEX_UNIT_TO_IF(pex_unit)	((pex_unit < 3) ? (pex_unit * 4) : 9)
+
+/* Static parametes */
+static int config_module;
+static int switch_module;
+
+/* Local function */
+static u32 board_id_get(void)
+{
+#if defined(CONFIG_DB_88F78X60)
+	return DB_88F78XX0_BP_ID;
+#elif defined(CONFIG_RD_88F78460_SERVER)
+	return RD_78460_SERVER_ID;
+#elif defined(CONFIG_RD_78460_SERVER_REV2)
+	return RD_78460_SERVER_REV2_ID;
+#elif defined(CONFIG_DB_78X60_PCAC)
+	return DB_78X60_PCAC_ID;
+#elif defined(CONFIG_DB_88F78X60_REV2)
+	return DB_88F78XX0_BP_REV2_ID;
+#elif defined(CONFIG_RD_78460_NAS)
+	return RD_78460_NAS_ID;
+#elif defined(CONFIG_DB_78X60_AMC)
+	return DB_78X60_AMC_ID;
+#elif defined(CONFIG_DB_78X60_PCAC_REV2)
+	return DB_78X60_PCAC_REV2_ID;
+#elif defined(CONFIG_DB_784MP_GP)
+	return DB_784MP_GP_ID;
+#elif defined(CONFIG_RD_78460_CUSTOMER)
+	return RD_78460_CUSTOMER_ID;
+#else
+	/*
+	 * Return 0 here for custom board as this should not be used
+	 * for custom boards.
+	 */
+	return 0;
+#endif
+}
+
+static u8 board_sat_r_get(u8 dev_num, u8 reg)
+{
+	u8 data;
+	u8 *dev;
+	u32 board_id = board_id_get();
+	int ret;
+
+	i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
+
+	switch (board_id) {
+	case DB_784MP_GP_ID:
+		dev = rd78460gp_twsi_dev;
+
+		break;
+	case DB_88F78XX0_BP_ID:
+	case DB_88F78XX0_BP_REV2_ID:
+		dev = db88f78xx0rev2_twsi_dev;
+		break;
+
+	case DB_78X60_PCAC_ID:
+	case FPGA_88F78XX0_ID:
+	case DB_78X60_PCAC_REV2_ID:
+	case RD_78460_SERVER_REV2_ID:
+	default:
+		return 0;
+	}
+
+	/* Read MPP module ID */
+	ret = i2c_read(dev[dev_num], 0, 1, (u8 *)&data, 1);
+	if (ret)
+		return MV_ERROR;
+
+	return data;
+}
+
+static int board_modules_scan(void)
+{
+	u8 val;
+	u32 board_id = board_id_get();
+	int ret;
+
+	/* Perform scan only for DB board */
+	if ((board_id == DB_88F78XX0_BP_ID) ||
+	    (board_id == DB_88F78XX0_BP_REV2_ID)) {
+		/* reset modules flags */
+		config_module = 0;
+
+		i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
+
+		/* SERDES module (only PEX model is supported now) */
+		ret = i2c_read(MV_BOARD_PEX_MODULE_ADDR, 0, 1, (u8 *)&val, 1);
+		if (ret)
+			return MV_ERROR;
+
+		if (val == MV_BOARD_PEX_MODULE_ID)
+			config_module = PEX_MODULE_DETECT;
+		if (val == MV_BOARD_ETM_MODULE_ID)
+			config_module = ETM_MODULE_DETECT;
+	} else if (board_id == RD_78460_NAS_ID) {
+		switch_module = 0;
+		if ((reg_read(GPP_DATA_IN_REG(2)) & MV_GPP66) == 0x0)
+			switch_module = 1;
+	}
+
+	return MV_OK;
+}
+
+u32 pex_max_unit_get(void)
+{
+	/*
+	 * TODO:
+	 * Right now only MV78460 is supported. Other SoC's might need
+	 * a different value here.
+	 */
+	return MV_PEX_MAX_UNIT;
+}
+
+u32 pex_max_if_get(void)
+{
+	/*
+	 * TODO:
+	 * Right now only MV78460 is supported. Other SoC's might need
+	 * a different value here.
+	 */
+	return MV_PEX_MAX_IF;
+}
+
+u8 board_cpu_freq_get(void)
+{
+	u32 sar;
+	u32 sar_msb;
+
+	sar = reg_read(MPP_SAMPLE_AT_RESET(0));
+	sar_msb = reg_read(MPP_SAMPLE_AT_RESET(1));
+	return ((sar_msb & 0x100000) >> 17) | ((sar & 0xe00000) >> 21);
+}
+
+__weak MV_BIN_SERDES_CFG *board_serdes_cfg_get(u8 pex_mode)
+{
+	u32 board_id;
+	u32 serdes_cfg_val = 0;	/* default */
+
+	board_id = board_id_get();
+
+	switch (board_id) {
+	case DB_784MP_GP_ID:
+		serdes_cfg_val = 0;
+		break;
+	}
+
+	return &serdes_info_tbl[board_id - BOARD_ID_BASE][serdes_cfg_val];
+}
+
+u16 ctrl_model_get(void)
+{
+	/* Right now only MV78460 supported */
+	return MV_78460_DEV_ID;
+}
+
+u32 get_line_cfg(u32 line_num, MV_BIN_SERDES_CFG *info)
+{
+	if (line_num < 8)
+		return (info->line0_7 >> (line_num << 2)) & 0xF;
+	else
+		return (info->line8_15 >> ((line_num - 8) << 2)) & 0xF;
+}
+
+int serdes_phy_config(void)
+{
+	int status = MV_OK;
+	u32 line_cfg;
+	u8 line_num;
+	/* addr/value for each line @ every setup step */
+	u32 addr[16][11], val[16][11];
+	u8 pex_unit, pex_line_num;
+	u8 sgmii_port = 0;
+	u32 tmp;
+	u32 in_direct;
+	u8 max_serdes_lines;
+	MV_BIN_SERDES_CFG *info;
+	u8 satr11;
+	u8 sata_port;
+	u8 freq;
+	u8 device_rev;
+	u32 rx_high_imp_mode;
+	u16 ctrl_mode;
+	u32 board_id = board_id_get();
+	u32 pex_if;
+	u32 pex_if_num;
+
+	/*
+	 * TODO:
+	 * Right now we only support the MV78460 with 16 serdes lines
+	 */
+	max_serdes_lines = 16;
+	if (max_serdes_lines == 0)
+		return MV_OK;
+
+	switch (board_id) {
+	case DB_78X60_AMC_ID:
+	case DB_78X60_PCAC_REV2_ID:
+	case RD_78460_CUSTOMER_ID:
+	case RD_78460_SERVER_ID:
+	case RD_78460_SERVER_REV2_ID:
+	case DB_78X60_PCAC_ID:
+		satr11 = (0x1 << 1) | 1;
+		break;
+	case FPGA_88F78XX0_ID:
+	case RD_78460_NAS_ID:
+		satr11 = (0x0 << 1) | 1;
+		break;
+	case DB_88F78XX0_BP_REV2_ID:
+	case DB_784MP_GP_ID:
+	case DB_88F78XX0_BP_ID:
+		satr11 = board_sat_r_get(1, 1);
+		if ((u8) MV_ERROR == (u8) satr11)
+			return MV_ERROR;
+		break;
+	}
+
+	board_modules_scan();
+	memset(addr, 0, sizeof(addr));
+	memset(val, 0, sizeof(val));
+
+	/* Check if DRAM is already initialized  */
+	if (reg_read(REG_BOOTROM_ROUTINE_ADDR) &
+	    (1 << REG_BOOTROM_ROUTINE_DRAM_INIT_OFFS)) {
+		DEBUG_INIT_S("High speed PHY - Version: ");
+		DEBUG_INIT_S(SERDES_VERION);
+		DEBUG_INIT_S(" - 2nd boot - Skip\n");
+		return MV_OK;
+	}
+	DEBUG_INIT_S("High speed PHY - Version: ");
+	DEBUG_INIT_S(SERDES_VERION);
+	DEBUG_INIT_S(" (COM-PHY-V20)\n");
+
+	/*
+	 * AVS :  disable AVS for frequency less than 1333
+	 */
+	freq = board_cpu_freq_get();
+	device_rev = mv_ctrl_rev_get();
+
+	if (device_rev == 2) {	/*   for B0 only */
+		u32 cpu_avs;
+		u8 fabric_freq;
+		cpu_avs = reg_read(CPU_AVS_CONTROL2_REG);
+		DEBUG_RD_REG(CPU_AVS_CONTROL2_REG, cpu_avs);
+		cpu_avs &= ~(1 << 9);
+
+		if ((0x4 == freq) || (0xB == freq)) {
+			u32 tmp2;
+
+			tmp2 = reg_read(CPU_AVS_CONTROL0_REG);
+			DEBUG_RD_REG(CPU_AVS_CONTROL0_REG, tmp2);
+			/* cpu upper limit = 1.1V  cpu lower limit = 0.9125V  */
+			tmp2 |= 0x0FF;
+			reg_write(CPU_AVS_CONTROL0_REG, tmp2);
+			DEBUG_WR_REG(CPU_AVS_CONTROL0_REG, tmp2);
+			cpu_avs |= (1 << 9);	/* cpu avs enable */
+			cpu_avs |= (1 << 18);	/* AvsAvddDetEn enable  */
+			fabric_freq = (reg_read(MPP_SAMPLE_AT_RESET(0)) &
+				       SAR0_FABRIC_FREQ_MASK) >> SAR0_FABRIC_FREQ_OFFSET;
+			if ((0xB == freq) && (5 == fabric_freq)) {
+				u32 core_avs;
+
+				core_avs = reg_read(CORE_AVS_CONTROL_0REG);
+				DEBUG_RD_REG(CORE_AVS_CONTROL_0REG, core_avs);
+
+				/*
+				 * Set core lower limit = 0.9V &
+				 * core upper limit = 0.9125V
+				 */
+				core_avs &= ~(0xff);
+				core_avs |= 0x0E;
+				reg_write(CORE_AVS_CONTROL_0REG, core_avs);
+				DEBUG_WR_REG(CORE_AVS_CONTROL_0REG, core_avs);
+
+				core_avs = reg_read(CORE_AVS_CONTROL_2REG);
+				DEBUG_RD_REG(CORE_AVS_CONTROL_2REG, core_avs);
+				core_avs |= (1 << 9);	/*  core AVS enable  */
+				reg_write(CORE_AVS_CONTROL_2REG, core_avs);
+				DEBUG_WR_REG(CORE_AVS_CONTROL_2REG, core_avs);
+
+				tmp2 = reg_read(GENERAL_PURPOSE_RESERVED0_REG);
+				DEBUG_RD_REG(GENERAL_PURPOSE_RESERVED0_REG,
+					     tmp2);
+				tmp2 |= 0x1;	/*  AvsCoreAvddDetEn enable   */
+				reg_write(GENERAL_PURPOSE_RESERVED0_REG, tmp2);
+				DEBUG_WR_REG(GENERAL_PURPOSE_RESERVED0_REG,
+					     tmp2);
+			}
+		}
+		reg_write(CPU_AVS_CONTROL2_REG, cpu_avs);
+		DEBUG_WR_REG(CPU_AVS_CONTROL2_REG, cpu_avs);
+	}
+
+	info = board_serdes_cfg_get(PEX_MODE_GET(satr11));
+	DEBUG_INIT_FULL_S("info->line0_7= 0x");
+	DEBUG_INIT_FULL_D(info->line0_7, 8);
+	DEBUG_INIT_FULL_S("   info->line8_15= 0x");
+	DEBUG_INIT_FULL_D(info->line8_15, 8);
+	DEBUG_INIT_FULL_S("\n");
+
+	if (info == NULL) {
+		DEBUG_INIT_S("Hight speed PHY Error #1\n");
+		return MV_ERROR;
+	}
+
+	if (config_module & ETM_MODULE_DETECT) {	/* step 0.9 ETM */
+		DEBUG_INIT_FULL_S("ETM module detect Step 0.9:\n");
+		reg_write(SERDES_LINE_MUX_REG_0_7, 0x11111111);
+		DEBUG_WR_REG(SERDES_LINE_MUX_REG_0_7, 0x11111111);
+		info->pex_mode[1] = PEX_BUS_DISABLED;	/* pex unit 1 is configure for ETM */
+		mdelay(100);
+		reg_write(PEX_PHY_ACCESS_REG(1), (0x002 << 16) | 0xf44d);	/* SETM0 - start calibration         */
+		DEBUG_WR_REG(PEX_PHY_ACCESS_REG(1), (0x002 << 16) | 0xf44d);	/* SETM0 - start calibration         */
+		reg_write(PEX_PHY_ACCESS_REG(1), (0x302 << 16) | 0xf44d);	/* SETM1 - start calibration         */
+		DEBUG_WR_REG(PEX_PHY_ACCESS_REG(1), (0x302 << 16) | 0xf44d);	/* SETM1 - start calibration         */
+		reg_write(PEX_PHY_ACCESS_REG(1), (0x001 << 16) | 0xf801);	/* SETM0 - SATA mode & 25MHz ref clk */
+		DEBUG_WR_REG(PEX_PHY_ACCESS_REG(1), (0x001 << 16) | 0xf801);	/* SETM0 - SATA mode & 25MHz ref clk */
+		reg_write(PEX_PHY_ACCESS_REG(1), (0x301 << 16) | 0xf801);	/* SETM1 - SATA mode & 25MHz ref clk */
+		DEBUG_WR_REG(PEX_PHY_ACCESS_REG(1), (0x301 << 16) | 0xf801);	/* SETM1 - SATA mode & 25MHz ref clk */
+		reg_write(PEX_PHY_ACCESS_REG(1), (0x011 << 16) | 0x0BFF);	/* SETM0 - G3 full swing AMP         */
+		DEBUG_WR_REG(PEX_PHY_ACCESS_REG(1), (0x011 << 16) | 0x0BFF);	/* SETM0 - G3 full swing AMP         */
+		reg_write(PEX_PHY_ACCESS_REG(1), (0x311 << 16) | 0x0BFF);	/* SETM1 - G3 full swing AMP         */
+		DEBUG_WR_REG(PEX_PHY_ACCESS_REG(1), (0x311 << 16) | 0x0BFF);	/* SETM1 - G3 full swing AMP         */
+		reg_write(PEX_PHY_ACCESS_REG(1), (0x023 << 16) | 0x0800);	/* SETM0 - 40 data bit width         */
+		DEBUG_WR_REG(PEX_PHY_ACCESS_REG(1), (0x023 << 16) | 0x0800);	/* SETM0 - 40 data bit width         */
+		reg_write(PEX_PHY_ACCESS_REG(1), (0x323 << 16) | 0x0800);	/* SETM1 - 40 data bit width         */
+		DEBUG_WR_REG(PEX_PHY_ACCESS_REG(1), (0x323 << 16) | 0x0800);	/* SETM1 - 40 data bit width         */
+		reg_write(PEX_PHY_ACCESS_REG(1), (0x046 << 16) | 0x0400);	/* lane0(serdes4)                    */
+		DEBUG_WR_REG(PEX_PHY_ACCESS_REG(1), (0x046 << 16) | 0x0400);	/* lane0(serdes4)                    */
+		reg_write(PEX_PHY_ACCESS_REG(1), (0x346 << 16) | 0x0400);	/* lane3(serdes7)                    */
+		DEBUG_WR_REG(PEX_PHY_ACCESS_REG(1), (0x346 << 16) | 0x0400);	/* lane3(serdes7)                    */
+	}
+
+	/* STEP -1 [PEX-Only] First phase of PEX-PIPE Configuration: */
+	DEBUG_INIT_FULL_S("Step 1: First phase of PEX-PIPE Configuration\n");
+	for (pex_unit = 0; pex_unit < pex_max_unit_get(); pex_unit++) {
+		if (info->pex_mode[pex_unit] == PEX_BUS_DISABLED)
+			continue;
+
+		/* 1.   GLOB_CLK_CTRL Reset and Clock Control */
+		reg_write(PEX_PHY_ACCESS_REG(pex_unit), (0xC1 << 16) | 0x25);
+		DEBUG_WR_REG(PEX_PHY_ACCESS_REG(pex_unit), (0xC1 << 16) | 0x25);
+
+		/* 2.   GLOB_TEST_CTRL Test Mode Control */
+		if (info->pex_mode[pex_unit] == PEX_BUS_MODE_X4) {
+			reg_write(PEX_PHY_ACCESS_REG(pex_unit),
+				  (0xC2 << 16) | 0x200);
+			DEBUG_WR_REG(PEX_PHY_ACCESS_REG(pex_unit),
+				     (0xC2 << 16) | 0x200);
+		}
+
+		/* 3.   GLOB_CLK_SRC_LO Clock Source Low */
+		if (info->pex_mode[pex_unit] == PEX_BUS_MODE_X1) {
+			reg_write(PEX_PHY_ACCESS_REG(pex_unit),
+				  (0xC3 << 16) | 0x0F);
+			DEBUG_WR_REG(PEX_PHY_ACCESS_REG(pex_unit),
+				     (0xC3 << 16) | 0x0F);
+		}
+
+		reg_write(PEX_PHY_ACCESS_REG(pex_unit), (0xC5 << 16) | 0x11F);
+		DEBUG_WR_REG(PEX_PHY_ACCESS_REG(pex_unit),
+			     (0xC5 << 16) | 0x11F);
+	}
+
+	/*
+	 * 2 Configure the desire PIN_PHY_GEN and do power down to the PU_PLL,
+	 * PU_RX,PU_TX. (bits[12:5])
+	 */
+	DEBUG_INIT_FULL_S("Step 2: Configure the desire PIN_PHY_GEN\n");
+	for (line_num = 0; line_num < max_serdes_lines; line_num++) {
+		line_cfg = get_line_cfg(line_num, info);
+		if (line_cfg == serdes_cfg[line_num][SERDES_UNIT_UNCONNECTED])
+			continue;
+		if (line_cfg == serdes_cfg[line_num][SERDES_UNIT_PEX])
+			continue;
+		if (line_cfg == serdes_cfg[line_num][SERDES_UNIT_SATA]) {
+			switch (line_num) {
+			case 4:
+			case 6:
+				sata_port = 0;
+				break;
+			case 5:
+				sata_port = 1;
+				break;
+			default:
+				DEBUG_INIT_C
+				    ("SATA port error for serdes line: ",
+				     line_num, 2);
+				return MV_ERROR;
+			}
+			tmp = reg_read(SATA_LP_PHY_EXT_CTRL_REG(sata_port));
+			DEBUG_RD_REG(SATA_LP_PHY_EXT_CTRL_REG(sata_port), tmp);
+			tmp &= ~((0x1ff << 5) | 0x7);
+			tmp |= ((info->bus_speed & (1 << line_num)) != 0) ?
+				(0x11 << 5) : 0x0;
+
+			reg_write(SATA_LP_PHY_EXT_CTRL_REG(sata_port), tmp);
+			DEBUG_WR_REG(SATA_LP_PHY_EXT_CTRL_REG(sata_port), tmp);
+		}
+
+		if (line_cfg == serdes_cfg[line_num][SERDES_UNIT_QSGMII]) {
+			/*
+			 * 4) Configure the desire PIN_PHY_GEN and do power
+			 * down to the PU_PLL,PU_RX,PU_TX. (bits[12:5])
+			 */
+			tmp = reg_read(SGMII_SERDES_CFG_REG(0));
+			DEBUG_RD_REG(SGMII_SERDES_CFG_REG(0), tmp);
+			tmp &= ~((0x1ff << 5) | 0x7);
+			tmp |= 0x660;
+			reg_write(SGMII_SERDES_CFG_REG(0), tmp);
+			DEBUG_WR_REG(SGMII_SERDES_CFG_REG(0), tmp);
+			continue;
+		}
+
+		if (line_cfg == serdes_cfg[line_num][SERDES_UNIT_SGMII0])
+			sgmii_port = 0;
+		else if (line_cfg == serdes_cfg[line_num][SERDES_UNIT_SGMII1])
+			sgmii_port = 1;
+		else if (line_cfg == serdes_cfg[line_num][SERDES_UNIT_SGMII2])
+			sgmii_port = 2;
+		else if (line_cfg == serdes_cfg[line_num][SERDES_UNIT_SGMII3])
+			sgmii_port = 3;
+		else
+			continue;
+
+		tmp = reg_read(SGMII_SERDES_CFG_REG(sgmii_port));
+		DEBUG_RD_REG(SGMII_SERDES_CFG_REG(sgmii_port), tmp);
+		tmp &= ~((0x1ff << 5) | 0x7);
+		tmp |= (((info->bus_speed & (1 << line_num)) != 0) ?
+			(0x88 << 5) : (0x66 << 5));
+		reg_write(SGMII_SERDES_CFG_REG(sgmii_port), tmp);
+		DEBUG_WR_REG(SGMII_SERDES_CFG_REG(sgmii_port), tmp);
+	}
+
+	/* Step 3 - QSGMII enable */
+	DEBUG_INIT_FULL_S("Step 3 QSGMII enable\n");
+	for (line_num = 0; line_num < max_serdes_lines; line_num++) {
+		line_cfg = get_line_cfg(line_num, info);
+		if (line_cfg == serdes_cfg[line_num][SERDES_UNIT_QSGMII]) {
+			/* QSGMII Active bit set to true */
+			tmp = reg_read(QSGMII_CONTROL_1_REG);
+			DEBUG_RD_REG(QSGMII_CONTROL_1_REG, tmp);
+			tmp |= (1 << 30);
+#ifdef ERRATA_GL_6572255
+			tmp |= (1 << 27);
+#endif
+			reg_write(QSGMII_CONTROL_1_REG, tmp);
+			DEBUG_WR_REG(QSGMII_CONTROL_1_REG, tmp);
+		}
+	}
+
+	/* Step 4 - configure SERDES MUXes */
+	DEBUG_INIT_FULL_S("Step 4: Configure SERDES MUXes\n");
+	if (config_module & ETM_MODULE_DETECT) {
+		reg_write(SERDES_LINE_MUX_REG_0_7, 0x40041111);
+		DEBUG_WR_REG(SERDES_LINE_MUX_REG_0_7, 0x40041111);
+	} else {
+		reg_write(SERDES_LINE_MUX_REG_0_7, info->line0_7);
+		DEBUG_WR_REG(SERDES_LINE_MUX_REG_0_7, info->line0_7);
+	}
+	reg_write(SERDES_LINE_MUX_REG_8_15, info->line8_15);
+	DEBUG_WR_REG(SERDES_LINE_MUX_REG_8_15, info->line8_15);
+
+	/* Step 5: Activate the RX High Impedance Mode  */
+	DEBUG_INIT_FULL_S("Step 5: Activate the RX High Impedance Mode\n");
+	rx_high_imp_mode = 0x8080;
+	if (device_rev == 2)	/*   for B0 only */
+		rx_high_imp_mode |= 4;
+
+	for (line_num = 0; line_num < max_serdes_lines; line_num++) {
+		/* for each serdes lane */
+		DEBUG_INIT_FULL_S("SERDES  ");
+		DEBUG_INIT_FULL_D_10(line_num, 2);
+		line_cfg = get_line_cfg(line_num, info);
+		if (line_cfg == serdes_cfg[line_num][SERDES_UNIT_UNCONNECTED]) {
+			DEBUG_INIT_FULL_S(" unconnected ***\n");
+			continue;
+		}
+		if (line_cfg == serdes_cfg[line_num][SERDES_UNIT_PEX]) {
+			pex_unit = line_num >> 2;
+			pex_line_num = line_num % 4;
+			DEBUG_INIT_FULL_S(" - PEX unit ");
+			DEBUG_INIT_FULL_D_10(pex_unit, 1);
+			DEBUG_INIT_FULL_S(" line=  ");
+			DEBUG_INIT_FULL_D_10(pex_line_num, 1);
+			DEBUG_INIT_FULL_S("\n");
+
+			/* Needed for PEX_PHY_ACCESS_REG macro */
+			if ((line_num > 7) &&
+			    (info->pex_mode[3] == PEX_BUS_MODE_X8))
+				/* lines 8 - 15 are belong to PEX3 in x8 mode */
+				pex_unit = 3;
+
+			if (info->pex_mode[pex_unit] == PEX_BUS_DISABLED)
+				continue;
+
+			/*
+			 * 8)  Activate the RX High Impedance Mode field
+			 * (bit [2]) in register /PCIe_USB Control (Each MAC
+			 * contain different Access to reach its
+			 * Serdes-Regfile).
+			 * [PEX-Only] Set bit[12]: The analog part latches idle
+			 * if PU_TX = 1 and PU_PLL =1.
+			 */
+
+			/* Termination enable */
+			if (info->pex_mode[pex_unit] == PEX_BUS_MODE_X1) {
+				in_direct = (0x48 << 16) | (pex_line_num << 24) |
+					0x1000 | rx_high_imp_mode;	/* x1 */
+			} else if ((info->pex_mode[pex_unit] ==
+				    PEX_BUS_MODE_X4) && (pex_line_num == 0))
+				in_direct = (0x48 << 16) | (pex_line_num << 24) |
+					0x1000 | (rx_high_imp_mode & 0xff);	/* x4 */
+			else
+				in_direct = 0;
+
+			if (in_direct) {
+				reg_write(PEX_PHY_ACCESS_REG(pex_unit),
+					  in_direct);
+				DEBUG_WR_REG(PEX_PHY_ACCESS_REG(pex_unit),
+					     in_direct);
+			}
+
+			continue;
+		}
+
+		if (line_cfg == serdes_cfg[line_num][SERDES_UNIT_SATA]) {
+			/*
+			 * port 0 for serdes lines 4,6,  and port 1 for
+			 * serdes lines 5
+			 */
+			sata_port = line_num & 1;
+			DEBUG_INIT_FULL_S(" - SATA port  ");
+			DEBUG_INIT_FULL_D_10(sata_port, 2);
+			DEBUG_INIT_FULL_S("\n");
+			reg_write(SATA_COMPHY_CTRL_REG(sata_port),
+				  rx_high_imp_mode);
+			DEBUG_WR_REG(SATA_COMPHY_CTRL_REG(sata_port),
+				     rx_high_imp_mode);
+			continue;
+		}
+
+		if (line_cfg == serdes_cfg[line_num][SERDES_UNIT_QSGMII]) {
+			DEBUG_INIT_FULL_S(" - QSGMII\n");
+			reg_write(SGMII_COMPHY_CTRL_REG(0), rx_high_imp_mode);
+			DEBUG_WR_REG(SGMII_COMPHY_CTRL_REG(0),
+				     rx_high_imp_mode);
+			continue;
+		}
+
+		if (line_cfg == serdes_cfg[line_num][SERDES_UNIT_SGMII0])
+			sgmii_port = 0;
+		else if (line_cfg == serdes_cfg[line_num][SERDES_UNIT_SGMII1])
+			sgmii_port = 1;
+		else if (line_cfg == serdes_cfg[line_num][SERDES_UNIT_SGMII2])
+			sgmii_port = 2;
+		else if (line_cfg == serdes_cfg[line_num][SERDES_UNIT_SGMII3])
+			sgmii_port = 3;
+		else
+			continue;
+		DEBUG_INIT_FULL_S(" - SGMII port  ");
+		DEBUG_INIT_FULL_D_10(sgmii_port, 2);
+		DEBUG_INIT_FULL_S("\n");
+		reg_write(SGMII_COMPHY_CTRL_REG(sgmii_port), rx_high_imp_mode);
+		DEBUG_WR_REG(SGMII_COMPHY_CTRL_REG(sgmii_port),
+			     rx_high_imp_mode);
+	}			/* for each serdes lane */
+
+	/* Step 6 [PEX-Only] PEX-Main configuration (X4 or X1): */
+	DEBUG_INIT_FULL_S("Step 6: [PEX-Only] PEX-Main configuration (X4 or X1)\n");
+	tmp = reg_read(SOC_CTRL_REG);
+	DEBUG_RD_REG(SOC_CTRL_REG, tmp);
+	tmp &= 0x200;
+	if (info->pex_mode[0] == PEX_BUS_MODE_X1)
+		tmp |= PCIE0_QUADX1_EN;
+	if (info->pex_mode[1] == PEX_BUS_MODE_X1)
+		tmp |= PCIE1_QUADX1_EN;
+	if (((reg_read(MPP_SAMPLE_AT_RESET(0)) & PEX_CLK_100MHZ_MASK) >>
+	     PEX_CLK_100MHZ_OFFSET) == 0x1)
+		tmp |= (PCIE0_CLK_OUT_EN_MASK | PCIE1_CLK_OUT_EN_MASK);
+
+	reg_write(SOC_CTRL_REG, tmp);
+	DEBUG_WR_REG(SOC_CTRL_REG, tmp);
+
+	/* 6.2 PCI Express Link Capabilities */
+	DEBUG_INIT_FULL_S("Step 6.2: [PEX-Only] PCI Express Link Capabilities\n");
+
+	for (line_num = 0; line_num < max_serdes_lines; line_num++) {
+		line_cfg = get_line_cfg(line_num, info);
+
+		if (line_cfg == serdes_cfg[line_num][SERDES_UNIT_PEX]) {
+			/*
+			 * PCI Express Control
+			 * 0xX1A00 [0]:
+			 * 0x0 X4-Link.
+			 * 0x1 X1-Link
+			 */
+			pex_unit = line_num >> 2;
+			pex_if = MV_SERDES_NUM_TO_PEX_NUM(line_num);
+			if (info->pex_mode[pex_unit] == PEX_BUS_DISABLED)
+				continue;
+
+			/*  set Common Clock Configuration */
+			tmp = reg_read(PEX_LINK_CTRL_STATUS_REG(pex_if));
+			DEBUG_RD_REG(PEX_LINK_CTRL_STATUS_REG(pex_if), tmp);
+			tmp |= (1 << 6);
+			reg_write(PEX_LINK_CTRL_STATUS_REG(pex_if), tmp);
+			DEBUG_WR_REG(PEX_LINK_CTRL_STATUS_REG(pex_if), tmp);
+
+			tmp = reg_read(PEX_LINK_CAPABILITIES_REG(pex_if));
+			DEBUG_RD_REG(PEX_LINK_CAPABILITIES_REG(pex_if), tmp);
+			tmp &= ~(0x3FF);
+			if (info->pex_mode[pex_unit] == PEX_BUS_MODE_X1)
+				tmp |= (0x1 << 4);
+			if (info->pex_mode[pex_unit] == PEX_BUS_MODE_X4)
+				tmp |= (0x4 << 4);
+			if (0 == PEX_CAPABILITY_GET(satr11))
+				tmp |= 0x1;
+			else
+				tmp |= 0x2;
+			DEBUG_INIT_FULL_S("Step 6.2: PEX ");
+			DEBUG_INIT_FULL_D(pex_if, 1);
+			DEBUG_INIT_FULL_C(" set GEN", (tmp & 3), 1);
+			reg_write(PEX_LINK_CAPABILITIES_REG(pex_if), tmp);
+			DEBUG_WR_REG(PEX_LINK_CAPABILITIES_REG(pex_if), tmp);
+
+			/*
+			 * If pex is X4, no need to pass thru the other
+			 * 3X1 serdes lines
+			 */
+			if (info->pex_mode[pex_unit] == PEX_BUS_MODE_X4)
+				line_num += 3;
+		}
+	}
+
+	/*
+	 * Step 7 [PEX-X4 Only] To create PEX-Link that contain 4-lanes you
+	 * need to config the register SOC_Misc/General Purpose2
+	 * (Address= 182F8)
+	 */
+	DEBUG_INIT_FULL_S("Step 7: [PEX-X4 Only] To create PEX-Link\n");
+	tmp = reg_read(GEN_PURP_RES_2_REG);
+	DEBUG_RD_REG(GEN_PURP_RES_2_REG, tmp);
+
+	tmp &= 0xFFFF0000;
+	if (info->pex_mode[0] == PEX_BUS_MODE_X4)
+		tmp |= 0x0000000F;
+
+	if (info->pex_mode[1] == PEX_BUS_MODE_X4)
+		tmp |= 0x000000F0;
+
+	if (info->pex_mode[2] == PEX_BUS_MODE_X4)
+		tmp |= 0x00000F00;
+
+	if (info->pex_mode[3] == PEX_BUS_MODE_X4)
+		tmp |= 0x0000F000;
+
+	reg_write(GEN_PURP_RES_2_REG, tmp);
+	DEBUG_WR_REG(GEN_PURP_RES_2_REG, tmp);
+
+	/* Steps  8 , 9 ,10 - use prepared REG addresses and values */
+	DEBUG_INIT_FULL_S("Steps 7,8,9,10 and 11\n");
+
+	/* Prepare PHY parameters for each step according to  MUX selection */
+	for (line_num = 0; line_num < max_serdes_lines; line_num++) {
+		/* for each serdes lane */
+
+		line_cfg = get_line_cfg(line_num, info);
+
+		if (line_cfg == serdes_cfg[line_num][SERDES_UNIT_UNCONNECTED])
+			continue;
+
+		if (line_cfg == serdes_cfg[line_num][SERDES_UNIT_PEX]) {
+			pex_unit = line_num >> 2;
+			pex_line_num = line_num % 4;
+
+			if (info->pex_mode[pex_unit] == PEX_BUS_DISABLED)
+				continue;
+			/*
+			 * 8)   Configure the desire PHY_MODE (bits [7:5])
+			 * and REF_FREF_SEL (bits[4:0]) in the register Power
+			 * and PLL Control (Each MAC contain different Access
+			 * to reach its Serdes-Regfile).
+			 */
+			if (((info->pex_mode[pex_unit] == PEX_BUS_MODE_X4) &&
+			     (0 == pex_line_num))
+			    || ((info->pex_mode[pex_unit] == PEX_BUS_MODE_X1))) {
+				reg_write(PEX_PHY_ACCESS_REG(pex_unit),
+					  (0x01 << 16) | (pex_line_num << 24) |
+					  0xFC60);
+				DEBUG_WR_REG(PEX_PHY_ACCESS_REG(pex_unit),
+					     (0x01 << 16) | (pex_line_num << 24)
+					     | 0xFC60);
+				/*
+				 * Step 8.1: [PEX-Only] Configure Max PLL Rate
+				 * (bit 8 in  KVCO Calibration Control and
+				 * bits[10:9] in
+				 */
+				/* Use Maximum PLL Rate(Bit 8) */
+				reg_write(PEX_PHY_ACCESS_REG(pex_unit),
+					  (0x02 << 16) | (1 << 31) |
+					  (pex_line_num << 24)); /* read command */
+				DEBUG_WR_REG(PEX_PHY_ACCESS_REG(pex_unit),
+					     (0x02 << 16) | (1 << 31) |
+					     (pex_line_num << 24));
+				tmp = reg_read(PEX_PHY_ACCESS_REG(pex_unit));
+				DEBUG_RD_REG(PEX_PHY_ACCESS_REG(pex_unit), tmp);
+				tmp &= ~(1 << 31);
+				tmp |= (1 << 8);
+				reg_write(PEX_PHY_ACCESS_REG(pex_unit), tmp);
+				DEBUG_WR_REG(PEX_PHY_ACCESS_REG(pex_unit), tmp);
+
+				/* Use Maximum PLL Rate(Bits [10:9]) */
+				reg_write(PEX_PHY_ACCESS_REG(pex_unit),
+					  (0x81 << 16) | (1 << 31) |
+					  (pex_line_num << 24)); /* read command */
+				DEBUG_WR_REG(PEX_PHY_ACCESS_REG(pex_unit),
+					     (0x81 << 16) | (1 << 31) |
+					     (pex_line_num << 24));
+				tmp = reg_read(PEX_PHY_ACCESS_REG(pex_unit));
+				DEBUG_RD_REG(PEX_PHY_ACCESS_REG(pex_unit), tmp);
+				tmp &= ~(1 << 31);
+				tmp |= (3 << 9);
+				reg_write(PEX_PHY_ACCESS_REG(pex_unit), tmp);
+				DEBUG_WR_REG(PEX_PHY_ACCESS_REG(pex_unit), tmp);
+			}
+
+			continue;
+		}
+
+		if (line_cfg == serdes_cfg[line_num][SERDES_UNIT_SATA]) {
+			/*
+			 * Port 0 for serdes lines 4,6,  and port 1 for serdes
+			 * lines 5
+			 */
+			sata_port = line_num & 1;
+
+			/*
+			 * 8) Configure the desire PHY_MODE (bits [7:5]) and
+			 * REF_FREF_SEL (bits[4:0]) in the register Power
+			 * and PLL Control (Each MAC contain different Access
+			 * to reach its Serdes-Regfile).
+			 */
+			reg_write(SATA_PWR_PLL_CTRL_REG(sata_port), 0xF801);
+			DEBUG_WR_REG(SATA_PWR_PLL_CTRL_REG(sata_port), 0xF801);
+
+			/*  9)  Configure the desire SEL_BITS  */
+			reg_write(SATA_DIG_LP_ENA_REG(sata_port), 0x400);
+			DEBUG_WR_REG(SATA_DIG_LP_ENA_REG(sata_port), 0x400);
+
+			/* 10)  Configure the desire REFCLK_SEL */
+
+			reg_write(SATA_REF_CLK_SEL_REG(sata_port), 0x400);
+			DEBUG_WR_REG(SATA_REF_CLK_SEL_REG(sata_port), 0x400);
+
+			/* 11)  Power up to the PU_PLL,PU_RX,PU_TX.   */
+			tmp = reg_read(SATA_LP_PHY_EXT_CTRL_REG(sata_port));
+			DEBUG_RD_REG(SATA_LP_PHY_EXT_CTRL_REG(sata_port), tmp);
+			tmp |= 7;
+			reg_write(SATA_LP_PHY_EXT_CTRL_REG(sata_port), tmp);
+			DEBUG_WR_REG(SATA_LP_PHY_EXT_CTRL_REG(sata_port), tmp);
+
+			continue;
+		}
+
+		if (line_cfg == serdes_cfg[line_num][SERDES_UNIT_QSGMII]) {
+			/*
+			 * 8)   Configure the desire PHY_MODE (bits [7:5])
+			 * and REF_FREF_SEL (bits[4:0]) in the register
+			 */
+			reg_write(SGMII_PWR_PLL_CTRL_REG(0), 0xF881);
+			DEBUG_WR_REG(SGMII_PWR_PLL_CTRL_REG(0), 0xF881);
+
+			/*
+			 * 9)   Configure the desire SEL_BITS (bits [11:0]
+			 * in register
+			 */
+			reg_write(SGMII_DIG_LP_ENA_REG(0), 0x400);
+			DEBUG_WR_REG(SGMII_DIG_LP_ENA_REG(0), 0x400);
+
+			/*
+			 * 10)  Configure the desire REFCLK_SEL (bit [10])
+			 * in register
+			 */
+			reg_write(SGMII_REF_CLK_SEL_REG(0), 0x400);
+			DEBUG_WR_REG(SGMII_REF_CLK_SEL_REG(0), 0x400);
+
+			/* 11)  Power up to the PU_PLL,PU_RX,PU_TX.  */
+			tmp = reg_read(SGMII_SERDES_CFG_REG(0));
+			DEBUG_RD_REG(SGMII_SERDES_CFG_REG(0), tmp);
+			tmp |= 7;
+			reg_write(SGMII_SERDES_CFG_REG(0), tmp);
+			DEBUG_WR_REG(SGMII_SERDES_CFG_REG(0), tmp);
+			continue;
+		}
+
+		if (line_cfg == serdes_cfg[line_num][SERDES_UNIT_SGMII0])
+			sgmii_port = 0;
+		else if (line_cfg == serdes_cfg[line_num][SERDES_UNIT_SGMII1])
+			sgmii_port = 1;
+		else if (line_cfg == serdes_cfg[line_num][SERDES_UNIT_SGMII2])
+			sgmii_port = 2;
+		else if (line_cfg == serdes_cfg[line_num][SERDES_UNIT_SGMII3])
+			sgmii_port = 3;
+		else
+			continue;
+
+		/*
+		 * 8)   Configure the desire PHY_MODE (bits [7:5]) and
+		 * REF_FREF_SEL (bits[4:0]) in the register
+		 */
+		reg_write(SGMII_PWR_PLL_CTRL_REG(sgmii_port), 0xF881);
+		DEBUG_WR_REG(SGMII_PWR_PLL_CTRL_REG(sgmii_port), 0xF881);
+
+		/* 9)   Configure the desire SEL_BITS (bits [11:0] in register */
+		reg_write(SGMII_DIG_LP_ENA_REG(sgmii_port), 0);
+		DEBUG_WR_REG(SGMII_DIG_LP_ENA_REG(sgmii_port), 0);
+
+		/* 10)  Configure the desire REFCLK_SEL (bit [10]) in register  */
+		reg_write(SGMII_REF_CLK_SEL_REG(sgmii_port), 0x400);
+		DEBUG_WR_REG(SGMII_REF_CLK_SEL_REG(sgmii_port), 0x400);
+
+		/* 11)  Power up to the PU_PLL,PU_RX,PU_TX.  */
+		tmp = reg_read(SGMII_SERDES_CFG_REG(sgmii_port));
+		DEBUG_RD_REG(SGMII_SERDES_CFG_REG(sgmii_port), tmp);
+		tmp |= 7;
+		reg_write(SGMII_SERDES_CFG_REG(sgmii_port), tmp);
+		DEBUG_WR_REG(SGMII_SERDES_CFG_REG(sgmii_port), tmp);
+
+	}			/* for each serdes lane */
+
+	/* Step 12 [PEX-Only] Last phase of PEX-PIPE Configuration */
+	DEBUG_INIT_FULL_S("Steps 12: [PEX-Only] Last phase of PEX-PIPE Configuration\n");
+	for (line_num = 0; line_num < max_serdes_lines; line_num++) {
+		/* for each serdes lane */
+
+		line_cfg = get_line_cfg(line_num, info);
+
+		if (line_cfg == serdes_cfg[line_num][SERDES_UNIT_UNCONNECTED])
+			continue;
+
+		if (line_cfg == serdes_cfg[line_num][SERDES_UNIT_PEX]) {
+			pex_unit = line_num >> 2;
+			pex_line_num = line_num % 4;
+			if (0 == pex_line_num) {
+				reg_write(PEX_PHY_ACCESS_REG(pex_unit),
+					  (0xC1 << 16) | 0x24);
+				DEBUG_WR_REG(PEX_PHY_ACCESS_REG(pex_unit),
+					     (0xC1 << 16) | 0x24);
+			}
+		}
+	}
+
+	/*--------------------------------------------------------------*/
+	/* Step 13: Wait 15ms before checking results */
+	DEBUG_INIT_FULL_S("Steps 13: Wait 15ms before checking results");
+	mdelay(15);
+	tmp = 20;
+	while (tmp) {
+		status = MV_OK;
+		for (line_num = 0; line_num < max_serdes_lines; line_num++) {
+			u32 tmp;
+			line_cfg = get_line_cfg(line_num, info);
+			if (line_cfg ==
+			    serdes_cfg[line_num][SERDES_UNIT_UNCONNECTED])
+				continue;
+
+			if (line_cfg == serdes_cfg[line_num][SERDES_UNIT_PEX])
+				continue;
+
+			if (line_cfg == serdes_cfg[line_num][SERDES_UNIT_SATA]) {
+				/*
+				 * Port 0 for serdes lines 4,6,  and port 1
+				 * for serdes lines 5
+				 */
+				sata_port = line_num & 1;
+
+				tmp =
+				    reg_read(SATA_LP_PHY_EXT_STAT_REG
+					     (sata_port));
+				DEBUG_RD_REG(SATA_LP_PHY_EXT_STAT_REG
+					     (sata_port), tmp);
+				if ((tmp & 0x7) != 0x7)
+					status = MV_ERROR;
+				continue;
+			}
+
+			if (line_cfg ==
+			    serdes_cfg[line_num][SERDES_UNIT_QSGMII]) {
+				tmp = reg_read(SGMII_SERDES_STAT_REG(0));
+				DEBUG_RD_REG(SGMII_SERDES_STAT_REG(0), tmp);
+				if ((tmp & 0x7) != 0x7)
+					status = MV_ERROR;
+				continue;
+			}
+
+			if (line_cfg ==
+			    serdes_cfg[line_num][SERDES_UNIT_SGMII0])
+				sgmii_port = 0;
+			else if (line_cfg ==
+				 serdes_cfg[line_num][SERDES_UNIT_SGMII1])
+				sgmii_port = 1;
+			else if (line_cfg ==
+				 serdes_cfg[line_num][SERDES_UNIT_SGMII2])
+				sgmii_port = 2;
+			else if (line_cfg ==
+				 serdes_cfg[line_num][SERDES_UNIT_SGMII3])
+				sgmii_port = 3;
+			else
+				continue;
+
+			tmp = reg_read(SGMII_SERDES_STAT_REG(sgmii_port));
+			DEBUG_RD_REG(SGMII_SERDES_STAT_REG(sgmii_port), tmp);
+			if ((tmp & 0x7) != 0x7)
+				status = MV_ERROR;
+		}
+
+		if (status == MV_OK)
+			break;
+		mdelay(5);
+		tmp--;
+	}
+
+	/*
+	 * Step14 [PEX-Only]  In order to configure RC/EP mode please write
+	 * to register 0x0060 bits
+	 */
+	DEBUG_INIT_FULL_S("Steps 14: [PEX-Only]  In order to configure\n");
+	for (pex_unit = 0; pex_unit < pex_max_unit_get(); pex_unit++) {
+		if (info->pex_mode[pex_unit] == PEX_BUS_DISABLED)
+			continue;
+		tmp =
+		    reg_read(PEX_CAPABILITIES_REG(MV_PEX_UNIT_TO_IF(pex_unit)));
+		DEBUG_RD_REG(PEX_CAPABILITIES_REG(MV_PEX_UNIT_TO_IF(pex_unit)),
+			     tmp);
+		tmp &= ~(0xf << 20);
+		if (info->pex_type == MV_PEX_ROOT_COMPLEX)
+			tmp |= (0x4 << 20);
+		else
+			tmp |= (0x1 << 20);
+		reg_write(PEX_CAPABILITIES_REG(MV_PEX_UNIT_TO_IF(pex_unit)),
+			  tmp);
+		DEBUG_WR_REG(PEX_CAPABILITIES_REG(MV_PEX_UNIT_TO_IF(pex_unit)),
+			     tmp);
+	}
+
+	/*
+	 * Step 15 [PEX-Only] Only for EP mode set to Zero bits 19 and 16 of
+	 * register 0x1a60
+	 */
+	DEBUG_INIT_FULL_S("Steps 15: [PEX-Only]  In order to configure\n");
+	for (pex_unit = 0; pex_unit < pex_max_unit_get(); pex_unit++) {
+		if (info->pex_mode[pex_unit] == PEX_BUS_DISABLED)
+			continue;
+		if (info->pex_type == MV_PEX_END_POINT) {
+			tmp =
+			    reg_read(PEX_DBG_CTRL_REG
+				     (MV_PEX_UNIT_TO_IF(pex_unit)));
+			DEBUG_RD_REG(PEX_DBG_CTRL_REG
+				     (MV_PEX_UNIT_TO_IF(pex_unit)), tmp);
+			tmp &= 0xfff6ffff;
+			reg_write(PEX_DBG_CTRL_REG(MV_PEX_UNIT_TO_IF(pex_unit)),
+				  tmp);
+			DEBUG_WR_REG(PEX_DBG_CTRL_REG
+				     (MV_PEX_UNIT_TO_IF(pex_unit)), tmp);
+		}
+	}
+
+	if (info->serdes_m_phy_change) {
+		MV_SERDES_CHANGE_M_PHY *serdes_m_phy_change;
+		u32 bus_speed;
+		for (line_num = 0; line_num < max_serdes_lines; line_num++) {
+			line_cfg = get_line_cfg(line_num, info);
+			if (line_cfg ==
+			    serdes_cfg[line_num][SERDES_UNIT_UNCONNECTED])
+				continue;
+			serdes_m_phy_change = info->serdes_m_phy_change;
+			bus_speed = info->bus_speed & (1 << line_num);
+			while (serdes_m_phy_change->type !=
+			       SERDES_UNIT_UNCONNECTED) {
+				switch (serdes_m_phy_change->type) {
+				case SERDES_UNIT_PEX:
+					if (line_cfg != SERDES_UNIT_PEX)
+						break;
+					pex_unit = line_num >> 2;
+					pex_line_num = line_num % 4;
+					if (info->pex_mode[pex_unit] ==
+					    PEX_BUS_DISABLED)
+						break;
+					if ((info->pex_mode[pex_unit] ==
+					     PEX_BUS_MODE_X4) && pex_line_num)
+						break;
+
+					if (bus_speed) {
+						reg_write(PEX_PHY_ACCESS_REG
+							  (pex_unit),
+							  (pex_line_num << 24) |
+							  serdes_m_phy_change->val_hi_speed);
+						DEBUG_WR_REG(PEX_PHY_ACCESS_REG
+							     (pex_unit),
+							     (pex_line_num <<
+							      24) |
+							     serdes_m_phy_change->val_hi_speed);
+					} else {
+						reg_write(PEX_PHY_ACCESS_REG
+							  (pex_unit),
+							  (pex_line_num << 24) |
+							  serdes_m_phy_change->val_low_speed);
+						DEBUG_WR_REG(PEX_PHY_ACCESS_REG
+							     (pex_unit),
+							     (pex_line_num <<
+							      24) |
+							     serdes_m_phy_change->val_low_speed);
+					}
+					break;
+				case SERDES_UNIT_SATA:
+					if (line_cfg != SERDES_UNIT_SATA)
+						break;
+					/*
+					 * Port 0 for serdes lines 4,6,  and
+					 * port 1 for serdes lines 5
+					 */
+					sata_port = line_num & 1;
+					if (bus_speed) {
+						reg_write(SATA_BASE_REG
+							  (sata_port) |
+							  serdes_m_phy_change->reg_hi_speed,
+							  serdes_m_phy_change->val_hi_speed);
+						DEBUG_WR_REG(SATA_BASE_REG
+							     (sata_port) |
+							     serdes_m_phy_change->reg_hi_speed,
+							     serdes_m_phy_change->val_hi_speed);
+					} else {
+						reg_write(SATA_BASE_REG
+							  (sata_port) |
+							  serdes_m_phy_change->reg_low_speed,
+							  serdes_m_phy_change->val_low_speed);
+						DEBUG_WR_REG(SATA_BASE_REG
+							     (sata_port) |
+							     serdes_m_phy_change->reg_low_speed,
+							     serdes_m_phy_change->val_low_speed);
+					}
+					break;
+				case SERDES_UNIT_SGMII0:
+				case SERDES_UNIT_SGMII1:
+				case SERDES_UNIT_SGMII2:
+				case SERDES_UNIT_SGMII3:
+					if (line_cfg == serdes_cfg[line_num]
+					    [SERDES_UNIT_SGMII0])
+						sgmii_port = 0;
+					else if (line_cfg ==
+						 serdes_cfg[line_num]
+						 [SERDES_UNIT_SGMII1])
+						sgmii_port = 1;
+					else if (line_cfg ==
+						 serdes_cfg[line_num]
+						 [SERDES_UNIT_SGMII2])
+						sgmii_port = 2;
+					else if (line_cfg ==
+						 serdes_cfg[line_num]
+						 [SERDES_UNIT_SGMII3])
+						sgmii_port = 3;
+					else
+						break;
+					if (bus_speed) {
+						reg_write(MV_ETH_REGS_BASE
+							  (sgmii_port) |
+							  serdes_m_phy_change->reg_hi_speed,
+							  serdes_m_phy_change->val_hi_speed);
+						DEBUG_WR_REG(MV_ETH_REGS_BASE
+							     (sgmii_port) |
+							     serdes_m_phy_change->reg_hi_speed,
+							     serdes_m_phy_change->val_hi_speed);
+					} else {
+						reg_write(MV_ETH_REGS_BASE
+							  (sgmii_port) |
+							  serdes_m_phy_change->reg_low_speed,
+							  serdes_m_phy_change->val_low_speed);
+						DEBUG_WR_REG(MV_ETH_REGS_BASE
+							     (sgmii_port) |
+							     serdes_m_phy_change->reg_low_speed,
+							     serdes_m_phy_change->val_low_speed);
+					}
+					break;
+				case SERDES_UNIT_QSGMII:
+					if (line_cfg != SERDES_UNIT_QSGMII)
+						break;
+					if (bus_speed) {
+						reg_write
+						    (serdes_m_phy_change->reg_hi_speed,
+						     serdes_m_phy_change->val_hi_speed);
+						DEBUG_WR_REG
+						    (serdes_m_phy_change->reg_hi_speed,
+						     serdes_m_phy_change->val_hi_speed);
+					} else {
+						reg_write
+						    (serdes_m_phy_change->reg_low_speed,
+						     serdes_m_phy_change->val_low_speed);
+						DEBUG_WR_REG
+						    (serdes_m_phy_change->reg_low_speed,
+						     serdes_m_phy_change->val_low_speed);
+					}
+					break;
+				default:
+					break;
+				}
+				serdes_m_phy_change++;
+			}
+		}
+	}
+
+	/* Step 16 [PEX-Only] Training Enable */
+	DEBUG_INIT_FULL_S("Steps 16: [PEX-Only] Training Enable");
+	tmp = reg_read(SOC_CTRL_REG);
+	DEBUG_RD_REG(SOC_CTRL_REG, tmp);
+	tmp &= ~(0x0F);
+	for (pex_unit = 0; pex_unit < pex_max_unit_get(); pex_unit++) {
+		reg_write(PEX_CAUSE_REG(pex_unit), 0);
+		DEBUG_WR_REG(PEX_CAUSE_REG(pex_unit), 0);
+		if (info->pex_mode[pex_unit] != PEX_BUS_DISABLED)
+			tmp |= (0x1 << pex_unit);
+	}
+	reg_write(SOC_CTRL_REG, tmp);
+	DEBUG_WR_REG(SOC_CTRL_REG, tmp);
+
+	/* Step 17: Speed change to target speed and width */
+	{
+		u32 tmp_reg, tmp_pex_reg;
+		u32 addr;
+		u32 first_busno, next_busno;
+		u32 max_link_width = 0;
+		u32 neg_link_width = 0;
+		pex_if_num = pex_max_if_get();
+		mdelay(150);
+		DEBUG_INIT_FULL_C("step 17: max_if= 0x", pex_if_num, 1);
+		next_busno = 0;
+		for (pex_if = 0; pex_if < pex_if_num; pex_if++) {
+			line_num = (pex_if <= 8) ? pex_if : 12;
+			line_cfg = get_line_cfg(line_num, info);
+			if (line_cfg != serdes_cfg[line_num][SERDES_UNIT_PEX])
+				continue;
+			pex_unit = (pex_if < 9) ? (pex_if >> 2) : 3;
+			DEBUG_INIT_FULL_S("step 17:  PEX");
+			DEBUG_INIT_FULL_D(pex_if, 1);
+			DEBUG_INIT_FULL_C("  pex_unit= ", pex_unit, 1);
+
+			if (info->pex_mode[pex_unit] == PEX_BUS_DISABLED) {
+				DEBUG_INIT_FULL_C("PEX disabled interface ",
+						  pex_if, 1);
+				if (pex_if < 8)
+					pex_if += 3;
+				continue;
+			}
+			first_busno = next_busno;
+			if ((info->pex_type == MV_PEX_END_POINT) &&
+			    (0 == pex_if)) {
+				if ((pex_if < 8) && (info->pex_mode[pex_unit] ==
+						     PEX_BUS_MODE_X4))
+					pex_if += 3;
+				continue;
+			}
+
+			tmp = reg_read(PEX_DBG_STATUS_REG(pex_if));
+			DEBUG_RD_REG(PEX_DBG_STATUS_REG(pex_if), tmp);
+			if ((tmp & 0x7f) == 0x7e) {
+				next_busno++;
+				tmp = reg_read(PEX_LINK_CAPABILITIES_REG(pex_if));
+				max_link_width = tmp;
+				DEBUG_RD_REG((PEX_LINK_CAPABILITIES_REG
+					      (pex_if)), tmp);
+				max_link_width = ((max_link_width >> 4) & 0x3F);
+				neg_link_width =
+				    reg_read(PEX_LINK_CTRL_STATUS_REG(pex_if));
+				DEBUG_RD_REG((PEX_LINK_CTRL_STATUS_REG(pex_if)),
+					     neg_link_width);
+				neg_link_width = ((neg_link_width >> 20) & 0x3F);
+				if (max_link_width > neg_link_width) {
+					tmp &= ~(0x3F << 4);
+					tmp |= (neg_link_width << 4);
+					reg_write(PEX_LINK_CAPABILITIES_REG
+						  (pex_if), tmp);
+					DEBUG_WR_REG((PEX_LINK_CAPABILITIES_REG
+						      (pex_if)), tmp);
+					mdelay(1);	/* wait 1ms before reading  capability for speed */
+					DEBUG_INIT_S("PEX");
+					DEBUG_INIT_D(pex_if, 1);
+					DEBUG_INIT_C(": change width to X",
+						     neg_link_width, 1);
+				}
+				tmp_pex_reg =
+				    reg_read((PEX_CFG_DIRECT_ACCESS
+					      (pex_if,
+					       PEX_LINK_CAPABILITY_REG)));
+				DEBUG_RD_REG((PEX_CFG_DIRECT_ACCESS
+					      (pex_if,
+					       PEX_LINK_CAPABILITY_REG)),
+					     tmp_pex_reg);
+				tmp_pex_reg &= (0xF);
+				if (tmp_pex_reg == 0x2) {
+					tmp_reg =
+					    (reg_read
+					     (PEX_CFG_DIRECT_ACCESS
+					      (pex_if,
+					       PEX_LINK_CTRL_STAT_REG)) &
+					     0xF0000) >> 16;
+					DEBUG_RD_REG(PEX_CFG_DIRECT_ACCESS
+						     (pex_if,
+						      PEX_LINK_CTRL_STAT_REG),
+						     tmp_pex_reg);
+					/* check if the link established is GEN1 */
+					if (tmp_reg == 0x1) {
+						pex_local_bus_num_set(pex_if,
+								      first_busno);
+						pex_local_dev_num_set(pex_if,
+								      1);
+
+						DEBUG_INIT_FULL_S("** Link is Gen1, check the EP capability\n");
+						/* link is Gen1, check the EP capability */
+						addr =
+						    pex_cfg_read(pex_if,
+								 first_busno, 0,
+								 0,
+								 0x34) & 0xFF;
+						DEBUG_INIT_FULL_C("pex_cfg_read: return addr=0x%x",
+						     addr, 4);
+						if (addr == 0xff) {
+							DEBUG_INIT_FULL_C("pex_cfg_read: return 0xff -->PEX (%d): Detected No Link.",
+									  pex_if, 1);
+							continue;
+						}
+						while ((pex_cfg_read
+							(pex_if, first_busno, 0,
+							 0,
+							 addr) & 0xFF) !=
+						       0x10) {
+							addr =
+							    (pex_cfg_read
+							     (pex_if,
+							      first_busno, 0, 0,
+							      addr) & 0xFF00) >>
+							    8;
+						}
+						if ((pex_cfg_read
+						     (pex_if, first_busno, 0, 0,
+						      addr + 0xC) & 0xF) >=
+						    0x2) {
+							tmp =
+							    reg_read
+							    (PEX_LINK_CTRL_STATUS2_REG
+							     (pex_if));
+							DEBUG_RD_REG
+							    (PEX_LINK_CTRL_STATUS2_REG
+							     (pex_if), tmp);
+							tmp &= ~(0x1 | 1 << 1);
+							tmp |= (1 << 1);
+							reg_write
+							    (PEX_LINK_CTRL_STATUS2_REG
+							     (pex_if), tmp);
+							DEBUG_WR_REG
+							    (PEX_LINK_CTRL_STATUS2_REG
+							     (pex_if), tmp);
+
+							tmp =
+							    reg_read
+							    (PEX_CTRL_REG
+							     (pex_if));
+							DEBUG_RD_REG
+							    (PEX_CTRL_REG
+							     (pex_if), tmp);
+							tmp |= (1 << 10);
+							reg_write(PEX_CTRL_REG
+								  (pex_if),
+								  tmp);
+							DEBUG_WR_REG
+							    (PEX_CTRL_REG
+							     (pex_if), tmp);
+							mdelay(10);	/* We need to wait 10ms before reading the PEX_DBG_STATUS_REG in order not to read the status of the former state */
+							DEBUG_INIT_FULL_S
+							    ("Gen2 client!\n");
+						} else {
+							DEBUG_INIT_FULL_S
+							    ("GEN1 client!\n");
+						}
+					}
+				}
+			} else {
+				DEBUG_INIT_FULL_S("PEX");
+				DEBUG_INIT_FULL_D(pex_if, 1);
+				DEBUG_INIT_FULL_S(" : Detected No Link. Status Reg(0x");
+				DEBUG_INIT_FULL_D(PEX_DBG_STATUS_REG(pex_if),
+						  8);
+				DEBUG_INIT_FULL_C(") = 0x", tmp, 8);
+			}
+
+			if ((pex_if < 8) &&
+			    (info->pex_mode[pex_unit] == PEX_BUS_MODE_X4))
+				pex_if += 3;
+		}
+	}
+
+	/* Step 18: update pex DEVICE ID */
+	{
+		u32 devId;
+		pex_if_num = pex_max_if_get();
+		ctrl_mode = ctrl_model_get();
+		for (pex_if = 0; pex_if < pex_if_num; pex_if++) {
+			pex_unit = (pex_if < 9) ? (pex_if >> 2) : 3;
+			if (info->pex_mode[pex_unit] == PEX_BUS_DISABLED) {
+				if ((pex_if < 8) &&
+				    (info->pex_mode[pex_unit] == PEX_BUS_MODE_X4))
+					pex_if += 3;
+				continue;
+			}
+
+			devId = reg_read(PEX_CFG_DIRECT_ACCESS(
+						 pex_if, PEX_DEVICE_AND_VENDOR_ID));
+			devId &= 0xFFFF;
+			devId |= ((ctrl_mode << 16) & 0xffff0000);
+			DEBUG_INIT_S("Update Device ID PEX");
+			DEBUG_INIT_D(pex_if, 1);
+			DEBUG_INIT_D(devId, 8);
+			DEBUG_INIT_S("\n");
+			reg_write(PEX_CFG_DIRECT_ACCESS
+				  (pex_if, PEX_DEVICE_AND_VENDOR_ID), devId);
+			if ((pex_if < 8) &&
+			    (info->pex_mode[pex_unit] == PEX_BUS_MODE_X4))
+				pex_if += 3;
+		}
+		DEBUG_INIT_S("Update PEX Device ID 0x");
+		DEBUG_INIT_D(ctrl_mode, 4);
+		DEBUG_INIT_S("0\n");
+	}
+	tmp = reg_read(PEX_DBG_STATUS_REG(0));
+	DEBUG_RD_REG(PEX_DBG_STATUS_REG(0), tmp);
+
+	DEBUG_INIT_S(ENDED_OK);
+	return MV_OK;
+}
+
+/* PEX configuration space read write */
+
+/*
+ * pex_cfg_read - Read from configuration space
+ *
+ * DESCRIPTION:
+ *       This function performs a 32 bit read from PEX configuration space.
+ *       It supports both type 0 and type 1 of Configuration Transactions
+ *       (local and over bridge). In order to read from local bus segment, use
+ *       bus number retrieved from mvPexLocalBusNumGet(). Other bus numbers
+ *       will result configuration transaction of type 1 (over bridge).
+ *
+ * INPUT:
+ *       pex_if   - PEX interface number.
+ *       bus     - PEX segment bus number.
+ *       dev     - PEX device number.
+ *       func    - Function number.
+ *       offss - Register offset.
+ *
+ * OUTPUT:
+ *       None.
+ *
+ * RETURN:
+ *       32bit register data, 0xffffffff on error
+ *
+ */
+u32 pex_cfg_read(u32 pex_if, u32 bus, u32 dev, u32 func, u32 offs)
+{
+	u32 pex_data = 0;
+	u32 local_dev, local_bus;
+	u32 val;
+
+	if (pex_if >= MV_PEX_MAX_IF)
+		return 0xFFFFFFFF;
+
+	if (dev >= MAX_PEX_DEVICES) {
+		DEBUG_INIT_C("pex_cfg_read: ERR. device number illigal ", dev,
+			     1);
+		return 0xFFFFFFFF;
+	}
+
+	if (func >= MAX_PEX_FUNCS) {
+		DEBUG_INIT_C("pex_cfg_read: ERR. function num illigal ", func,
+			     1);
+		return 0xFFFFFFFF;
+	}
+
+	if (bus >= MAX_PEX_BUSSES) {
+		DEBUG_INIT_C("pex_cfg_read: ERR. bus number illigal ", bus, 1);
+		return MV_ERROR;
+	}
+	val = reg_read(PEX_STATUS_REG(pex_if));
+
+	local_dev =
+	    ((val & PXSR_PEX_DEV_NUM_MASK) >> PXSR_PEX_DEV_NUM_OFFS);
+	local_bus =
+	    ((val & PXSR_PEX_BUS_NUM_MASK) >> PXSR_PEX_BUS_NUM_OFFS);
+
+	/* Speed up the process. In case on no link, return MV_ERROR */
+	if ((dev != local_dev) || (bus != local_bus)) {
+		pex_data = reg_read(PEX_STATUS_REG(pex_if));
+
+		if ((pex_data & PXSR_DL_DOWN))
+			return MV_ERROR;
+	}
+
+	/*
+	 * In PCI Express we have only one device number
+	 * and this number is the first number we encounter else that the
+	 * local_dev spec pex define return on config read/write on any device
+	 */
+	if (bus == local_bus) {
+		if (local_dev == 0) {
+			/*
+			 * If local dev is 0 then the first number we encounter
+			 * after 0 is 1
+			 */
+			if ((dev != 1) && (dev != local_dev))
+				return MV_ERROR;
+		} else {
+			/*
+			 * If local dev is not 0 then the first number we
+			 * encounter is 0
+			 */
+			if ((dev != 0) && (dev != local_dev))
+				return MV_ERROR;
+		}
+	}
+
+	/* Creating PEX address to be passed */
+	pex_data = (bus << PXCAR_BUS_NUM_OFFS);
+	pex_data |= (dev << PXCAR_DEVICE_NUM_OFFS);
+	pex_data |= (func << PXCAR_FUNC_NUM_OFFS);
+	pex_data |= (offs & PXCAR_REG_NUM_MASK);	/* lgacy register space */
+	/* extended register space */
+	pex_data |= (((offs & PXCAR_REAL_EXT_REG_NUM_MASK) >>
+		     PXCAR_REAL_EXT_REG_NUM_OFFS) << PXCAR_EXT_REG_NUM_OFFS);
+
+	pex_data |= PXCAR_CONFIG_EN;
+
+	/* Write the address to the PEX configuration address register */
+	reg_write(PEX_CFG_ADDR_REG(pex_if), pex_data);
+
+	/*
+	 * In order to let the PEX controller absorbed the address of the read
+	 * transaction we perform a validity check that the address was written
+	 */
+	if (pex_data != reg_read(PEX_CFG_ADDR_REG(pex_if)))
+		return MV_ERROR;
+
+	/* cleaning Master Abort */
+	reg_bit_set(PEX_CFG_DIRECT_ACCESS(pex_if, PEX_STATUS_AND_COMMAND),
+		    PXSAC_MABORT);
+	/* Read the Data returned in the PEX Data register */
+	pex_data = reg_read(PEX_CFG_DATA_REG(pex_if));
+
+	DEBUG_INIT_FULL_C(" --> ", pex_data, 4);
+
+	return pex_data;
+}
+
+/*
+ * pex_local_bus_num_set - Set PEX interface local bus number.
+ *
+ * DESCRIPTION:
+ *       This function sets given PEX interface its local bus number.
+ *       Note: In case the PEX interface is PEX-X, the information is read-only.
+ *
+ * INPUT:
+ *       pex_if  - PEX interface number.
+ *       bus_num - Bus number.
+ *
+ * OUTPUT:
+ *       None.
+ *
+ * RETURN:
+ *       MV_NOT_ALLOWED in case PEX interface is PEX-X.
+ *		MV_BAD_PARAM on bad parameters ,
+ *       otherwise MV_OK
+ *
+ */
+int pex_local_bus_num_set(u32 pex_if, u32 bus_num)
+{
+	u32 val;
+
+	if (bus_num >= MAX_PEX_BUSSES) {
+		DEBUG_INIT_C("pex_local_bus_num_set: ERR. bus number illigal %d\n",
+		     bus_num, 4);
+		return MV_ERROR;
+	}
+
+	val = reg_read(PEX_STATUS_REG(pex_if));
+	val &= ~PXSR_PEX_BUS_NUM_MASK;
+	val |= (bus_num << PXSR_PEX_BUS_NUM_OFFS) & PXSR_PEX_BUS_NUM_MASK;
+	reg_write(PEX_STATUS_REG(pex_if), val);
+
+	return MV_OK;
+}
+
+/*
+ * pex_local_dev_num_set - Set PEX interface local device number.
+ *
+ * DESCRIPTION:
+ *       This function sets given PEX interface its local device number.
+ *       Note: In case the PEX interface is PEX-X, the information is read-only.
+ *
+ * INPUT:
+ *       pex_if  - PEX interface number.
+ *       dev_num - Device number.
+ *
+ * OUTPUT:
+ *       None.
+ *
+ * RETURN:
+ *       MV_NOT_ALLOWED in case PEX interface is PEX-X.
+ *		MV_BAD_PARAM on bad parameters ,
+ *       otherwise MV_OK
+ *
+ */
+int pex_local_dev_num_set(u32 pex_if, u32 dev_num)
+{
+	u32 val;
+
+	if (pex_if >= MV_PEX_MAX_IF)
+		return MV_BAD_PARAM;
+
+	val = reg_read(PEX_STATUS_REG(pex_if));
+	val &= ~PXSR_PEX_DEV_NUM_MASK;
+	val |= (dev_num << PXSR_PEX_DEV_NUM_OFFS) & PXSR_PEX_DEV_NUM_MASK;
+	reg_write(PEX_STATUS_REG(pex_if), val);
+
+	return MV_OK;
+}
diff --git a/arch/arm/mvebu-common/serdes/high_speed_env_spec.c b/arch/arm/mvebu-common/serdes/high_speed_env_spec.c
new file mode 100644
index 0000000..115ec2c
--- /dev/null
+++ b/arch/arm/mvebu-common/serdes/high_speed_env_spec.c
@@ -0,0 +1,185 @@
+/*
+ * Copyright (C) Marvell International Ltd. and its affiliates
+ *
+ * SPDX-License-Identifier:	GPL-2.0
+ */
+
+#include <common.h>
+#include <i2c.h>
+#include <spl.h>
+#include <asm/io.h>
+#include <asm/arch/cpu.h>
+#include <asm/arch/soc.h>
+
+#include "high_speed_env_spec.h"
+
+MV_SERDES_CHANGE_M_PHY serdes_change_m_phy[] = {
+	/* SERDES TYPE, Low REG OFFS, Low REG VALUE, Hi REG OFS, Hi REG VALUE */
+	{
+		/* PEX: Change of Slew Rate port0   */
+		SERDES_UNIT_PEX, 0x0,
+		(0x0F << 16) | 0x2a21, 0x0, (0x0F << 16) | 0x2a21
+	}, {
+		/* PEX: Change PLL BW port0                   */
+		SERDES_UNIT_PEX, 0x0,
+		(0x4F << 16) | 0x6219, 0x0, (0x4F << 16) | 0x6219
+	}, {
+		/* SATA: Slew rate change port 0  */
+		SERDES_UNIT_SATA, 0x0083C, 0x8a31, 0x0083C, 0x8a31
+	}, {
+		/* SATA: Slew rate change port 0  */
+		SERDES_UNIT_SATA, 0x00834, 0xc928, 0x00834, 0xc928
+	}, {
+		/* SATA: Slew rate change port 0  */
+		SERDES_UNIT_SATA, 0x00838, 0x30f0, 0x00838, 0x30f0
+	}, {
+		/* SATA: Slew rate change port 0  */
+		SERDES_UNIT_SATA, 0x00840, 0x30f5, 0x00840, 0x30f5
+	}, {
+		/* SGMII: FFE setting Port0         */
+		SERDES_UNIT_SGMII0, 0x00E18, 0x989F, 0x00E18, 0x989F
+	}, {
+		/* SGMII: SELMUP and SELMUF Port0   */
+		SERDES_UNIT_SGMII0, 0x00E38, 0x10FA, 0x00E38, 0x10FA
+	}, {
+		/* SGMII: Amplitude new setting gen2 Port3 */
+		SERDES_UNIT_SGMII0, 0x00E34, 0xC968, 0x00E34, 0xC66C
+	}, {
+		/* QSGMII: Amplitude and slew rate change  */
+		SERDES_UNIT_QSGMII, 0x72E34, 0xaa58, 0x72E34, 0xaa58
+	}, {
+		/* QSGMII: SELMUP and SELMUF               */
+		SERDES_UNIT_QSGMII, 0x72e38, 0x10aF, 0x72e38, 0x10aF
+	}, {
+		/* QSGMII: 0x72e18                         */
+		SERDES_UNIT_QSGMII, 0x72e18, 0x98AC, 0x72e18, 0x98AC
+	}, {
+		/* Null terminated */
+		SERDES_UNIT_UNCONNECTED, 0, 0
+	}
+};
+
+MV_BIN_SERDES_CFG db88f78xx0_serdes_cfg[] = {
+	/* Z1B */
+	{MV_PEX_ROOT_COMPLEX, 0x32221111, 0x11111111,
+	 {PEX_BUS_MODE_X1, PEX_BUS_DISABLED, PEX_BUS_MODE_X4, PEX_BUS_MODE_X4},
+	 0x0030, serdes_change_m_phy},			/* Default */
+	{MV_PEX_ROOT_COMPLEX, 0x31211111, 0x11111111,
+	 {PEX_BUS_MODE_X1, PEX_BUS_MODE_X1, PEX_BUS_MODE_X4, PEX_BUS_MODE_X4},
+	 0x0030, serdes_change_m_phy},			/* PEX module */
+	/* Z1A */
+	{MV_PEX_ROOT_COMPLEX, 0x32220000, 0x00000000,
+	 {PEX_BUS_DISABLED, PEX_BUS_DISABLED, PEX_BUS_DISABLED,
+	  PEX_BUS_DISABLED}, 0x0030, serdes_change_m_phy}, /* Default - Z1A */
+	{MV_PEX_ROOT_COMPLEX, 0x31210000, 0x00000000,
+	 {PEX_BUS_DISABLED, PEX_BUS_MODE_X1, PEX_BUS_DISABLED, PEX_BUS_DISABLED},
+	 0x0030, serdes_change_m_phy}	/* PEX module - Z1A */
+};
+
+MV_BIN_SERDES_CFG db88f78xx0rev2_serdes_cfg[] = {
+	/* A0 */
+	{MV_PEX_ROOT_COMPLEX, 0x33221111, 0x11111111,
+	 {PEX_BUS_MODE_X1, PEX_BUS_DISABLED, PEX_BUS_MODE_X4, PEX_BUS_MODE_X4},
+	 0x0030, serdes_change_m_phy}, /* Default: No Pex module, PEX0 x1, disabled */
+	{MV_PEX_ROOT_COMPLEX, 0x33211111, 0x11111111,
+	 {PEX_BUS_MODE_X1, PEX_BUS_MODE_X1, PEX_BUS_MODE_X4, PEX_BUS_MODE_X4},
+	 0x0030, serdes_change_m_phy}, /* Pex module, PEX0 x1, PEX1 x1 */
+	{MV_PEX_ROOT_COMPLEX, 0x33221111, 0x11111111,
+	 {PEX_BUS_MODE_X4, PEX_BUS_DISABLED, PEX_BUS_MODE_X4, PEX_BUS_MODE_X4},
+	 0x0030, serdes_change_m_phy}, /* no Pex module, PEX0 x4, PEX1 disabled */
+	{MV_PEX_ROOT_COMPLEX, 0x33211111, 0x11111111,
+	 {PEX_BUS_MODE_X4, PEX_BUS_MODE_X1, PEX_BUS_MODE_X4, PEX_BUS_MODE_X4},
+	 0x0030, serdes_change_m_phy}, /* Pex module, PEX0 x4, PEX1 x1 */
+	{MV_PEX_ROOT_COMPLEX, 0x11111111, 0x11111111,
+	 {PEX_BUS_MODE_X1, PEX_BUS_MODE_X4, PEX_BUS_MODE_X4, PEX_BUS_MODE_X4},
+	 0x0030, serdes_change_m_phy}, /* Pex module, PEX0 x1, PEX1 x4 */
+	{MV_PEX_ROOT_COMPLEX, 0x11111111, 0x11111111,
+	 {PEX_BUS_MODE_X4, PEX_BUS_MODE_X4, PEX_BUS_MODE_X4, PEX_BUS_MODE_X4},
+	 0x0030, serdes_change_m_phy}, /* Pex module, PEX0 x4, PEX1 x4 */
+};
+
+MV_BIN_SERDES_CFG rd78460nas_serdes_cfg[] = {
+	{MV_PEX_ROOT_COMPLEX, 0x00223001, 0x11111111,
+	 {PEX_BUS_MODE_X1, PEX_BUS_DISABLED, PEX_BUS_MODE_X4, PEX_BUS_MODE_X4},
+	 0x0030, serdes_change_m_phy}, /* Default */
+	{MV_PEX_ROOT_COMPLEX, 0x33320201, 0x11111111,
+	 {PEX_BUS_MODE_X1, PEX_BUS_DISABLED, PEX_BUS_MODE_X4, PEX_BUS_MODE_X4},
+	 0x00f4, serdes_change_m_phy}, /* Switch module */
+};
+
+MV_BIN_SERDES_CFG rd78460_serdes_cfg[] = {
+	{MV_PEX_ROOT_COMPLEX, 0x22321111, 0x00000000,
+	 {PEX_BUS_MODE_X4, PEX_BUS_DISABLED, PEX_BUS_DISABLED, PEX_BUS_DISABLED},
+	 0x0010, serdes_change_m_phy}, /* CPU0 */
+	{MV_PEX_ROOT_COMPLEX, 0x00321111, 0x00000000,
+	 {PEX_BUS_MODE_X4, PEX_BUS_DISABLED, PEX_BUS_DISABLED, PEX_BUS_DISABLED},
+	 0x0010, serdes_change_m_phy} /* CPU1-3 */
+};
+
+MV_BIN_SERDES_CFG rd78460server_rev2_serdes_cfg[] = {
+	{MV_PEX_ROOT_COMPLEX, 0x00321111, 0x00000000,
+	 {PEX_BUS_MODE_X4, PEX_BUS_DISABLED, PEX_BUS_DISABLED, PEX_BUS_DISABLED},
+	 0x0010, serdes_change_m_phy}, /* CPU0 */
+	{MV_PEX_ROOT_COMPLEX, 0x00321111, 0x00000000,
+	 {PEX_BUS_MODE_X4, PEX_BUS_DISABLED, PEX_BUS_DISABLED, PEX_BUS_DISABLED},
+	 0x0010, serdes_change_m_phy} /* CPU1-3 */
+};
+
+MV_BIN_SERDES_CFG db78X60pcac_serdes_cfg[] = {
+	{MV_PEX_END_POINT, 0x22321111, 0x00000000,
+	 {PEX_BUS_MODE_X4, PEX_BUS_DISABLED, PEX_BUS_DISABLED, PEX_BUS_DISABLED},
+	 0x0010, serdes_change_m_phy}	/* Default */
+};
+
+MV_BIN_SERDES_CFG db78X60pcacrev2_serdes_cfg[] = {
+	{MV_PEX_END_POINT, 0x23321111, 0x00000000,
+	 {PEX_BUS_MODE_X4, PEX_BUS_DISABLED, PEX_BUS_DISABLED, PEX_BUS_DISABLED},
+	 0x0010, serdes_change_m_phy}	/* Default */
+};
+
+MV_BIN_SERDES_CFG fpga88f78xx0_serdes_cfg[] = {
+	{MV_PEX_ROOT_COMPLEX, 0x00000000, 0x00000000,
+	 {PEX_BUS_DISABLED, PEX_BUS_DISABLED, PEX_BUS_DISABLED, PEX_BUS_DISABLED},
+	 0x0000, serdes_change_m_phy}	/* No PEX in FPGA */
+};
+
+MV_BIN_SERDES_CFG db78X60amc_serdes_cfg[] = {
+	{MV_PEX_ROOT_COMPLEX, 0x33111111, 0x00010001,
+	 {PEX_BUS_MODE_X4, PEX_BUS_MODE_X1, PEX_BUS_MODE_X1, PEX_BUS_MODE_X1},
+	 0x0030, serdes_change_m_phy}	/* Default */
+};
+
+/*
+ * ARMADA-XP CUSTOMER BOARD
+ */
+MV_BIN_SERDES_CFG rd78460customer_serdes_cfg[] = {
+	{MV_PEX_ROOT_COMPLEX, 0x00223001, 0x11111111,
+	 {PEX_BUS_MODE_X1, PEX_BUS_DISABLED, PEX_BUS_MODE_X4, PEX_BUS_MODE_X4},
+	 0x00000030, serdes_change_m_phy}, /* Default */
+	{MV_PEX_ROOT_COMPLEX, 0x33320201, 0x11111111,
+	 {PEX_BUS_MODE_X1, PEX_BUS_DISABLED, PEX_BUS_MODE_X4, PEX_BUS_MODE_X4},
+	 0x00000030, serdes_change_m_phy}, /* Switch module */
+};
+
+MV_BIN_SERDES_CFG rd78460AXP_GP_serdes_cfg[] = {
+	{MV_PEX_ROOT_COMPLEX, 0x00223001, 0x11111111,
+	 {PEX_BUS_MODE_X1, PEX_BUS_DISABLED, PEX_BUS_MODE_X4, PEX_BUS_MODE_X4},
+	 0x0030, serdes_change_m_phy}	/* Default */
+};
+
+MV_BIN_SERDES_CFG *serdes_info_tbl[] = {
+	db88f78xx0_serdes_cfg,
+	rd78460_serdes_cfg,
+	db78X60pcac_serdes_cfg,
+	fpga88f78xx0_serdes_cfg,
+	db88f78xx0rev2_serdes_cfg,
+	rd78460nas_serdes_cfg,
+	db78X60amc_serdes_cfg,
+	db78X60pcacrev2_serdes_cfg,
+	rd78460server_rev2_serdes_cfg,
+	rd78460AXP_GP_serdes_cfg,
+	rd78460customer_serdes_cfg
+};
+
+u8 rd78460gp_twsi_dev[] = { 0x4C, 0x4D, 0x4E };
+u8 db88f78xx0rev2_twsi_dev[] = { 0x4C, 0x4D, 0x4E, 0x4F };
diff --git a/arch/arm/mvebu-common/serdes/high_speed_env_spec.h b/arch/arm/mvebu-common/serdes/high_speed_env_spec.h
new file mode 100644
index 0000000..e5aa1b0
--- /dev/null
+++ b/arch/arm/mvebu-common/serdes/high_speed_env_spec.h
@@ -0,0 +1,87 @@
+/*
+ * Copyright (C) Marvell International Ltd. and its affiliates
+ *
+ * SPDX-License-Identifier:	GPL-2.0
+ */
+
+#ifndef __HIGHSPEED_ENV_SPEC_H
+#define __HIGHSPEED_ENV_SPEC_H
+
+#include "../../../drivers/ddr/mvebu/ddr3_hw_training.h"
+
+typedef enum {
+	SERDES_UNIT_UNCONNECTED	= 0x0,
+	SERDES_UNIT_PEX		= 0x1,
+	SERDES_UNIT_SATA	= 0x2,
+	SERDES_UNIT_SGMII0	= 0x3,
+	SERDES_UNIT_SGMII1	= 0x4,
+	SERDES_UNIT_SGMII2	= 0x5,
+	SERDES_UNIT_SGMII3	= 0x6,
+	SERDES_UNIT_QSGMII	= 0x7,
+	SERDES_UNIT_SETM        = 0x8,
+	SERDES_LAST_UNIT
+} MV_BIN_SERDES_UNIT_INDX;
+
+
+typedef enum {
+	PEX_BUS_DISABLED	= 0,
+	PEX_BUS_MODE_X1		= 1,
+	PEX_BUS_MODE_X4		= 2,
+	PEX_BUS_MODE_X8		= 3
+} MV_PEX_UNIT_CFG;
+
+typedef enum pex_type {
+	MV_PEX_ROOT_COMPLEX,	/* root complex device */
+	MV_PEX_END_POINT	/* end point device */
+} MV_PEX_TYPE;
+
+typedef struct serdes_change_m_phy {
+	MV_BIN_SERDES_UNIT_INDX type;
+	u32 reg_low_speed;
+	u32 val_low_speed;
+	u32 reg_hi_speed;
+	u32 val_hi_speed;
+} MV_SERDES_CHANGE_M_PHY;
+
+/*
+ * Configuration per SERDES line. Each nibble is MV_SERDES_LINE_TYPE
+ */
+typedef struct board_serdes_conf {
+	MV_PEX_TYPE pex_type; /* MV_PEX_ROOT_COMPLEX MV_PEX_END_POINT */
+	u32 line0_7; /* Lines 0 to 7 SERDES MUX one nibble per line */
+	u32 line8_15; /* Lines 8 to 15 SERDES MUX one nibble per line */
+	MV_PEX_UNIT_CFG pex_mode[4];
+
+	/*
+	 * Bus speed - one bit per SERDES line:
+	 *		Low speed (0)		High speed (1)
+	 * PEX		2.5 G (10 bit)		5 G (20 bit)
+	 * SATA		1.5 G			3 G
+	 * SGMII	1.25 Gbps		3.125 Gbps
+	 */
+	u32	bus_speed;
+
+	MV_SERDES_CHANGE_M_PHY *serdes_m_phy_change;
+} MV_BIN_SERDES_CFG;
+
+
+#define BIN_SERDES_CFG {	\
+	{0, 1, -1 , -1, -1, -1, -1, -1, -1}, /* Lane 0 */	\
+	{0, 1, -1 , -1, -1, -1, -1, -1,  2}, /* Lane 1 */	\
+	{0, 1, -1 ,  2, -1, -1, -1, -1,  3}, /* Lane 2 */	\
+	{0, 1, -1 , -1,  2, -1, -1,  3, -1}, /* Lane 3 */	\
+	{0, 1,  2 , -1, -1,  3, -1, -1,  4}, /* Lane 4 */	\
+	{0, 1,  2 , -1,  3, -1, -1,  4, -1}, /* Lane 5 */	\
+	{0, 1,  2 ,  4, -1,  3, -1, -1, -1}, /* Lane 6 */	\
+	{0, 1, -1 ,  2, -1, -1,  3, -1,  4}, /* Lane 7*/	\
+	{0, 1, -1 , -1, -1, -1, -1, -1, -1}, /* Lane 8 */	\
+	{0, 1, -1 , -1, -1, -1, -1, -1, -1}, /* Lane 9 */	\
+	{0, 1, -1 , -1, -1, -1, -1, -1, -1}, /* Lane 10 */	\
+	{0, 1, -1 , -1, -1, -1, -1, -1, -1}, /* Lane 11 */	\
+	{0, 1, -1 , -1, -1, -1, -1, -1, -1}, /* Lane 12 */	\
+	{0, 1, -1 , -1, -1, -1, -1, -1, -1}, /* Lane 13 */	\
+	{0, 1, -1 , -1, -1, -1, -1, -1, -1}, /* Lane 14 */	\
+	{0, 1, -1 , -1, -1, -1, -1, -1, -1}, /* Lane 15 */	\
+}
+
+#endif /* __HIGHSPEED_ENV_SPEC_H */