diff --git a/board/gdsys/common/Makefile b/board/gdsys/common/Makefile
index 95e41de..ba48e8b 100644
--- a/board/gdsys/common/Makefile
+++ b/board/gdsys/common/Makefile
@@ -9,7 +9,9 @@
 obj-$(CONFIG_CMD_IOLOOP) += cmd_ioloop.o
 obj-$(CONFIG_IO) += miiphybb.o
 obj-$(CONFIG_IO64) += miiphybb.o
-obj-$(CONFIG_IOCON) += osd.o mclink.o dp501.o phy.o
+obj-$(CONFIG_IOCON) += osd.o mclink.o dp501.o phy.o ch7301.o
 obj-$(CONFIG_DLVISION_10G) += osd.o dp501.o
 obj-$(CONFIG_CONTROLCENTERD) += dp501.o
 obj-$(CONFIG_HRCON) += osd.o mclink.o dp501.o phy.o
+obj-$(CONFIG_STRIDER) += mclink.o dp501.o phy.o ioep-fpga.o adv7611.o ch7301.o
+obj-$(CONFIG_STRIDER_CON) += osd.o
diff --git a/board/gdsys/common/adv7611.c b/board/gdsys/common/adv7611.c
new file mode 100644
index 0000000..b728274
--- /dev/null
+++ b/board/gdsys/common/adv7611.c
@@ -0,0 +1,177 @@
+/*
+ * (C) Copyright 2014
+ * Dirk Eibach, Guntermann & Drunck GmbH, eibach@gdsys.de
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <i2c.h>
+
+#define ADV7611_I2C_ADDR 0x4c
+#define ADV7611_RDINFO 0x2051
+
+/*
+ * ADV7611 I2C Addresses in u-boot notation
+ */
+enum {
+	CP_I2C_ADDR = 0x22,
+	DPLL_I2C_ADDR = 0x26,
+	KSV_I2C_ADDR = 0x32,
+	HDMI_I2C_ADDR = 0x34,
+	EDID_I2C_ADDR = 0x36,
+	INFOFRAME_I2C_ADDR = 0x3e,
+	CEC_I2C_ADDR = 0x40,
+	IO_I2C_ADDR = ADV7611_I2C_ADDR,
+};
+
+/*
+ * Global Control Registers
+ */
+enum {
+	IO_RD_INFO_MSB = 0xea,
+	IO_RD_INFO_LSB = 0xeb,
+	IO_CEC_ADDR = 0xf4,
+	IO_INFOFRAME_ADDR = 0xf5,
+	IO_DPLL_ADDR = 0xf8,
+	IO_KSV_ADDR = 0xf9,
+	IO_EDID_ADDR = 0xfa,
+	IO_HDMI_ADDR = 0xfb,
+	IO_CP_ADDR = 0xfd,
+};
+
+int adv7611_i2c[] = CONFIG_SYS_ADV7611_I2C;
+
+int adv7611_probe(unsigned int screen)
+{
+	int old_bus = i2c_get_bus_num();
+	unsigned int rd_info;
+	int res = 0;
+
+	i2c_set_bus_num(adv7611_i2c[screen]);
+
+	rd_info = (i2c_reg_read(IO_I2C_ADDR, IO_RD_INFO_MSB) << 8)
+		  | i2c_reg_read(IO_I2C_ADDR, IO_RD_INFO_LSB);
+
+	if (rd_info != ADV7611_RDINFO) {
+		res = -1;
+		goto out;
+	}
+
+	/*
+	 * set I2C addresses to default values
+	 */
+	i2c_reg_write(IO_I2C_ADDR, IO_CEC_ADDR, CEC_I2C_ADDR << 1);
+	i2c_reg_write(IO_I2C_ADDR, IO_INFOFRAME_ADDR, INFOFRAME_I2C_ADDR << 1);
+	i2c_reg_write(IO_I2C_ADDR, IO_DPLL_ADDR, DPLL_I2C_ADDR << 1);
+	i2c_reg_write(IO_I2C_ADDR, IO_KSV_ADDR, KSV_I2C_ADDR << 1);
+	i2c_reg_write(IO_I2C_ADDR, IO_EDID_ADDR, EDID_I2C_ADDR << 1);
+	i2c_reg_write(IO_I2C_ADDR, IO_HDMI_ADDR, HDMI_I2C_ADDR << 1);
+	i2c_reg_write(IO_I2C_ADDR, IO_CP_ADDR, CP_I2C_ADDR << 1);
+
+	/*
+	 * do magic initialization sequence from
+	 * "ADV7611 Register Settings Recommendations Revision 1.5"
+	 * with most registers undocumented
+	 */
+	i2c_reg_write(CP_I2C_ADDR, 0x6c, 0x00);
+	i2c_reg_write(HDMI_I2C_ADDR, 0x9b, 0x03);
+	i2c_reg_write(HDMI_I2C_ADDR, 0x6f, 0x08);
+	i2c_reg_write(HDMI_I2C_ADDR, 0x85, 0x1f);
+	i2c_reg_write(HDMI_I2C_ADDR, 0x87, 0x70);
+	i2c_reg_write(HDMI_I2C_ADDR, 0x57, 0xda);
+	i2c_reg_write(HDMI_I2C_ADDR, 0x58, 0x01);
+	i2c_reg_write(HDMI_I2C_ADDR, 0x03, 0x98);
+	i2c_reg_write(HDMI_I2C_ADDR, 0x4c, 0x44);
+
+	/*
+	 * IO_REG_02, default 0xf0
+	 *
+	 * INP_COLOR_SPACE (IO, Address 0x02[7:4])
+	 * default: 0b1111 auto
+	 * set to : 0b0001 force RGB (range 0 to 255) input
+	 *
+	 * RGB_OUT (IO, Address 0x02[1])
+	 * default: 0 YPbPr color space output
+	 * set to : 1 RGB color space output
+	 */
+	i2c_reg_write(IO_I2C_ADDR, 0x02, 0x12);
+
+	/*
+	 * IO_REG_03, default 0x00
+	 *
+	 * OP_FORMAT_SEL (IO, Address 0x03[7:0])
+	 * default: 0x00 8-bit SDR ITU-656 mode
+	 * set to : 0x40 24-bit 4:4:4 SDR mode
+	 */
+	i2c_reg_write(IO_I2C_ADDR, 0x03, 0x40);
+
+	/*
+	 * IO_REG_05, default 0x2c
+	 *
+	 * AVCODE_INSERT_EN (IO, Address 0x05[2])
+	 * default: 1 insert AV codes into data stream
+	 * set to : 0 do not insert AV codes into data stream
+	 */
+	i2c_reg_write(IO_I2C_ADDR, 0x05, 0x28);
+
+	/*
+	 * IO_REG_0C, default 0x62
+	 *
+	 * POWER_DOWN (IO, Address 0x0C[5])
+	 * default: 1 chip is powered down
+	 * set to : 0 chip is operational
+	 */
+	i2c_reg_write(IO_I2C_ADDR, 0x0c, 0x42);
+
+	/*
+	 * IO_REG_15, default 0xbe
+	 *
+	 * TRI_SYNCS (IO, Address 0x15[3)
+	 * TRI_LLC (IO, Address 0x15[2])
+	 * TRI_PIX (IO, Address 0x15[1])
+	 * default: 1 video output pins are tristate
+	 * set to : 0 video output pins are active
+	 */
+	i2c_reg_write(IO_I2C_ADDR, 0x15, 0xb0);
+
+	/*
+	 * HDMI_REGISTER_02H, default 0xff
+	 *
+	 * CLOCK_TERMA_DISABLE (HDMI, Address 0x83[0])
+	 * default: 1 disable termination
+	 * set to : 0 enable termination
+	 * Future options are:
+	 * - use the chips automatic termination control
+	 * - set this manually on cable detect
+	 * but at the moment this seems a safe default.
+	 */
+	i2c_reg_write(HDMI_I2C_ADDR, 0x83, 0xfe);
+
+	/*
+	 * HDMI_CP_CNTRL_1, default 0x01
+	 *
+	 * HDMI_FRUN_EN (CP, Address 0xBA[0])
+	 * default: 1 Enable the free run feature in HDMI mode
+	 * set to : 0 Disable the free run feature in HDMI mode
+	 */
+	i2c_reg_write(CP_I2C_ADDR, 0xba, 0x00);
+
+	/*
+	 * INT1_CONFIGURATION, default 0x20
+	 *
+	 * INTRQ_DUR_SEL[1:0] (IO, Address 0x40[7:6])
+	 * default: 00 Interrupt signal is active for 4 Xtal periods
+	 * set to : 11 Active until cleared
+	 *
+	 * INTRQ_OP_SEL[1:0] (IO, Address 0x40[1:0])
+	 * default: 00 Open drain
+	 * set to : 10 Drives high when active
+	 */
+	i2c_reg_write(IO_I2C_ADDR, 0x40, 0xc2);
+
+out:
+	i2c_set_bus_num(old_bus);
+
+	return res;
+}
diff --git a/board/gdsys/common/adv7611.h b/board/gdsys/common/adv7611.h
new file mode 100644
index 0000000..25a8367
--- /dev/null
+++ b/board/gdsys/common/adv7611.h
@@ -0,0 +1,13 @@
+/*
+ * (C) Copyright 2014
+ * Dirk Eibach,  Guntermann & Drunck GmbH, dirk.eibach@gdsys.cc
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef _ADV7611_H_
+#define _ADV7611_H_
+
+int adv7611_probe(unsigned int screen);
+
+#endif
diff --git a/board/gdsys/common/ch7301.c b/board/gdsys/common/ch7301.c
new file mode 100644
index 0000000..c054e55
--- /dev/null
+++ b/board/gdsys/common/ch7301.c
@@ -0,0 +1,64 @@
+/*
+ * (C) Copyright 2014
+ * Dirk Eibach,  Guntermann & Drunck GmbH, dirk.eibach@gdsys.cc
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+/* Chrontel CH7301C DVI Transmitter */
+
+#include <common.h>
+#include <asm/io.h>
+#include <errno.h>
+#include <i2c.h>
+
+#define CH7301_I2C_ADDR 0x75
+
+enum {
+	CH7301_CM = 0x1c,		/* Clock Mode Register */
+	CH7301_IC = 0x1d,		/* Input Clock Register */
+	CH7301_GPIO = 0x1e,		/* GPIO Control Register */
+	CH7301_IDF = 0x1f,		/* Input Data Format Register */
+	CH7301_CD = 0x20,		/* Connection Detect Register */
+	CH7301_DC = 0x21,		/* DAC Control Register */
+	CH7301_HPD = 0x23,		/* Hot Plug Detection Register */
+	CH7301_TCTL = 0x31,		/* DVI Control Input Register */
+	CH7301_TPCP = 0x33,		/* DVI PLL Charge Pump Ctrl Register */
+	CH7301_TPD = 0x34,		/* DVI PLL Divide Register */
+	CH7301_TPVT = 0x35,		/* DVI PLL Supply Control Register */
+	CH7301_TPF = 0x36,		/* DVI PLL Filter Register */
+	CH7301_TCT = 0x37,		/* DVI Clock Test Register */
+	CH7301_TSTP = 0x48,		/* Test Pattern Register */
+	CH7301_PM = 0x49,		/* Power Management register */
+	CH7301_VID = 0x4a,		/* Version ID Register */
+	CH7301_DID = 0x4b,		/* Device ID Register */
+	CH7301_DSP = 0x56,		/* DVI Sync polarity Register */
+};
+
+int ch7301_i2c[] = CONFIG_SYS_CH7301_I2C;
+
+int ch7301_probe(unsigned screen, bool power)
+{
+	u8 value;
+
+	i2c_set_bus_num(ch7301_i2c[screen]);
+	if (i2c_probe(CH7301_I2C_ADDR))
+		return -1;
+
+	value = i2c_reg_read(CH7301_I2C_ADDR, CH7301_DID);
+	if (value != 0x17)
+		return -1;
+
+	if (power) {
+		i2c_reg_write(CH7301_I2C_ADDR, CH7301_TPCP, 0x08);
+		i2c_reg_write(CH7301_I2C_ADDR, CH7301_TPD, 0x16);
+		i2c_reg_write(CH7301_I2C_ADDR, CH7301_TPF, 0x60);
+		i2c_reg_write(CH7301_I2C_ADDR, CH7301_DC, 0x09);
+		i2c_reg_write(CH7301_I2C_ADDR, CH7301_PM, 0xc0);
+	} else {
+		i2c_reg_write(CH7301_I2C_ADDR, CH7301_DC, 0x00);
+		i2c_reg_write(CH7301_I2C_ADDR, CH7301_PM, 0x01);
+	}
+
+	return 0;
+}
diff --git a/board/gdsys/common/ch7301.h b/board/gdsys/common/ch7301.h
new file mode 100644
index 0000000..8383719
--- /dev/null
+++ b/board/gdsys/common/ch7301.h
@@ -0,0 +1,13 @@
+/*
+ * (C) Copyright 2014
+ * Dirk Eibach,  Guntermann & Drunck GmbH, dirk.eibach@gdsys.cc
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef _CH7301_H_
+#define _CH7301_H_
+
+int ch7301_probe(unsigned screen, bool power);
+
+#endif
diff --git a/board/gdsys/common/ioep-fpga.c b/board/gdsys/common/ioep-fpga.c
new file mode 100644
index 0000000..18d37dc
--- /dev/null
+++ b/board/gdsys/common/ioep-fpga.c
@@ -0,0 +1,227 @@
+/*
+ * (C) Copyright 2014
+ * Dirk Eibach,  Guntermann & Drunck GmbH, eibach@gdsys.de
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+
+#include <gdsys_fpga.h>
+
+enum {
+	UNITTYPE_MAIN_SERVER = 0,
+	UNITTYPE_MAIN_USER = 1,
+	UNITTYPE_VIDEO_SERVER = 2,
+	UNITTYPE_VIDEO_USER = 3,
+};
+
+enum {
+	UNITTYPEPCB_DVI = 0,
+	UNITTYPEPCB_DP_165 = 1,
+	UNITTYPEPCB_DP_300 = 2,
+	UNITTYPEPCB_HDMI = 3,
+};
+
+enum {
+	COMPRESSION_NONE = 0,
+	COMPRESSION_TYPE1_DELTA = 1,
+	COMPRESSION_TYPE1_TYPE2_DELTA = 3,
+};
+
+enum {
+	AUDIO_NONE = 0,
+	AUDIO_TX = 1,
+	AUDIO_RX = 2,
+	AUDIO_RXTX = 3,
+};
+
+enum {
+	SYSCLK_147456 = 0,
+};
+
+enum {
+	RAM_DDR2_32 = 0,
+	RAM_DDR3_32 = 1,
+};
+
+enum {
+	CARRIER_SPEED_1G = 0,
+	CARRIER_SPEED_2_5G = 1,
+};
+
+bool ioep_fpga_has_osd(unsigned int fpga)
+{
+	u16 fpga_features;
+	unsigned feature_osd;
+
+	FPGA_GET_REG(0, fpga_features, &fpga_features);
+	feature_osd = fpga_features & (1<<11);
+
+	return feature_osd;
+}
+
+void ioep_fpga_print_info(unsigned int fpga)
+{
+	u16 versions;
+	u16 fpga_version;
+	u16 fpga_features;
+	unsigned unit_type;
+	unsigned unit_type_pcb_video;
+	unsigned feature_compression;
+	unsigned feature_osd;
+	unsigned feature_audio;
+	unsigned feature_sysclock;
+	unsigned feature_ramconfig;
+	unsigned feature_carrier_speed;
+	unsigned feature_carriers;
+	unsigned feature_video_channels;
+
+	FPGA_GET_REG(fpga, versions, &versions);
+	FPGA_GET_REG(fpga, fpga_version, &fpga_version);
+	FPGA_GET_REG(fpga, fpga_features, &fpga_features);
+
+	unit_type = (versions & 0xf000) >> 12;
+	unit_type_pcb_video = (versions & 0x01c0) >> 6;
+	feature_compression = (fpga_features & 0xe000) >> 13;
+	feature_osd = fpga_features & (1<<11);
+	feature_audio = (fpga_features & 0x0600) >> 9;
+	feature_sysclock = (fpga_features & 0x0180) >> 7;
+	feature_ramconfig = (fpga_features & 0x0060) >> 5;
+	feature_carrier_speed = fpga_features & (1<<4);
+	feature_carriers = (fpga_features & 0x000c) >> 2;
+	feature_video_channels = fpga_features & 0x0003;
+
+	switch (unit_type) {
+	case UNITTYPE_MAIN_SERVER:
+	case UNITTYPE_MAIN_USER:
+		printf("Mainchannel");
+		break;
+
+	case UNITTYPE_VIDEO_SERVER:
+	case UNITTYPE_VIDEO_USER:
+		printf("Videochannel");
+		break;
+
+	default:
+		printf("UnitType %d(not supported)", unit_type);
+		break;
+	}
+
+	switch (unit_type) {
+	case UNITTYPE_MAIN_SERVER:
+	case UNITTYPE_VIDEO_SERVER:
+		printf(" Server");
+		if (versions & (1<<4))
+			printf(" UC");
+		break;
+
+	case UNITTYPE_MAIN_USER:
+	case UNITTYPE_VIDEO_USER:
+		printf(" User");
+		break;
+
+	default:
+		break;
+	}
+
+	if (versions & (1<<5))
+		printf(" Fiber");
+	else
+		printf(" CAT");
+
+	switch (unit_type_pcb_video) {
+	case UNITTYPEPCB_DVI:
+		printf(" DVI,");
+		break;
+
+	case UNITTYPEPCB_DP_165:
+		printf(" DP 165MPix/s,");
+		break;
+
+	case UNITTYPEPCB_DP_300:
+		printf(" DP 300MPix/s,");
+		break;
+
+	case UNITTYPEPCB_HDMI:
+		printf(" HDMI,");
+		break;
+	}
+
+	printf(" FPGA V %d.%02d\n       features:",
+	       fpga_version / 100, fpga_version % 100);
+
+
+	switch (feature_compression) {
+	case COMPRESSION_NONE:
+		printf(" no compression");
+		break;
+
+	case COMPRESSION_TYPE1_DELTA:
+		printf(" type1-deltacompression");
+		break;
+
+	case COMPRESSION_TYPE1_TYPE2_DELTA:
+		printf(" type1-deltacompression, type2-inlinecompression");
+		break;
+
+	default:
+		printf(" compression %d(not supported)", feature_compression);
+		break;
+	}
+
+	printf(", %sosd", feature_osd ? "" : "no ");
+
+	switch (feature_audio) {
+	case AUDIO_NONE:
+		printf(", no audio");
+		break;
+
+	case AUDIO_TX:
+		printf(", audio tx");
+		break;
+
+	case AUDIO_RX:
+		printf(", audio rx");
+		break;
+
+	case AUDIO_RXTX:
+		printf(", audio rx+tx");
+		break;
+
+	default:
+		printf(", audio %d(not supported)", feature_audio);
+		break;
+	}
+
+	puts(",\n       ");
+
+	switch (feature_sysclock) {
+	case SYSCLK_147456:
+		printf("clock 147.456 MHz");
+		break;
+
+	default:
+		printf("clock %d(not supported)", feature_sysclock);
+		break;
+	}
+
+	switch (feature_ramconfig) {
+	case RAM_DDR2_32:
+		printf(", RAM 32 bit DDR2");
+		break;
+
+	case RAM_DDR3_32:
+		printf(", RAM 32 bit DDR3");
+		break;
+
+	default:
+		printf(", RAM %d(not supported)", feature_ramconfig);
+		break;
+	}
+
+	printf(", %d carrier(s) %s", feature_carriers,
+	       feature_carrier_speed ? "2.5Gbit/s" : "1Gbit/s");
+
+	printf(", %d video channel(s)\n", feature_video_channels);
+}
diff --git a/board/gdsys/common/ioep-fpga.h b/board/gdsys/common/ioep-fpga.h
new file mode 100644
index 0000000..44f7139
--- /dev/null
+++ b/board/gdsys/common/ioep-fpga.h
@@ -0,0 +1,14 @@
+/*
+ * (C) Copyright 2014
+ * Dirk Eibach,  Guntermann & Drunck GmbH, dirk.eibach@gdsys.cc
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef _IOEP_FPGA_H_
+#define _IOEP_FPGA_H_
+
+void ioep_fpga_print_info(unsigned int fpga);
+bool ioep_fpga_has_osd(unsigned int fpga);
+
+#endif
diff --git a/board/gdsys/common/osd.c b/board/gdsys/common/osd.c
index 55ecdf1..f11e26f 100644
--- a/board/gdsys/common/osd.c
+++ b/board/gdsys/common/osd.c
@@ -9,11 +9,10 @@
 #include <i2c.h>
 #include <malloc.h>
 
+#include "ch7301.h"
 #include "dp501.h"
 #include <gdsys_fpga.h>
 
-#define CH7301_I2C_ADDR 0x75
-
 #define ICS8N3QV01_I2C_ADDR 0x6E
 #define ICS8N3QV01_FREF 114285000
 #define ICS8N3QV01_FREF_LL 114285000LL
@@ -29,27 +28,6 @@
 
 #define PIXCLK_640_480_60 25180000
 
-enum {
-	CH7301_CM = 0x1c,		/* Clock Mode Register */
-	CH7301_IC = 0x1d,		/* Input Clock Register */
-	CH7301_GPIO = 0x1e,		/* GPIO Control Register */
-	CH7301_IDF = 0x1f,		/* Input Data Format Register */
-	CH7301_CD = 0x20,		/* Connection Detect Register */
-	CH7301_DC = 0x21,		/* DAC Control Register */
-	CH7301_HPD = 0x23,		/* Hot Plug Detection Register */
-	CH7301_TCTL = 0x31,		/* DVI Control Input Register */
-	CH7301_TPCP = 0x33,		/* DVI PLL Charge Pump Ctrl Register */
-	CH7301_TPD = 0x34,		/* DVI PLL Divide Register */
-	CH7301_TPVT = 0x35,		/* DVI PLL Supply Control Register */
-	CH7301_TPF = 0x36,		/* DVI PLL Filter Register */
-	CH7301_TCT = 0x37,		/* DVI Clock Test Register */
-	CH7301_TSTP = 0x48,		/* Test Pattern Register */
-	CH7301_PM = 0x49,		/* Power Management register */
-	CH7301_VID = 0x4a,		/* Version ID Register */
-	CH7301_DID = 0x4b,		/* Device ID Register */
-	CH7301_DSP = 0x56,		/* DVI Sync polarity Register */
-};
-
 unsigned int base_width;
 unsigned int base_height;
 size_t bufsize;
@@ -61,10 +39,6 @@
 int ics8n3qv01_i2c[] = CONFIG_SYS_ICS8N3QV01_I2C;
 #endif
 
-#ifdef CONFIG_SYS_CH7301_I2C
-int ch7301_i2c[] = CONFIG_SYS_CH7301_I2C;
-#endif
-
 #ifdef CONFIG_SYS_SIL1178_I2C
 int sil1178_i2c[] = CONFIG_SYS_SIL1178_I2C;
 #endif
@@ -327,19 +301,8 @@
 	/* setup output driver */
 
 #ifdef CONFIG_SYS_CH7301_I2C
-	i2c_set_bus_num(ch7301_i2c[screen]);
-	if (!i2c_probe(CH7301_I2C_ADDR)) {
-		u8 value = i2c_reg_read(CH7301_I2C_ADDR, CH7301_DID);
-
-		if (value == 0x17) {
-			i2c_reg_write(CH7301_I2C_ADDR, CH7301_TPCP, 0x08);
-			i2c_reg_write(CH7301_I2C_ADDR, CH7301_TPD, 0x16);
-			i2c_reg_write(CH7301_I2C_ADDR, CH7301_TPF, 0x60);
-			i2c_reg_write(CH7301_I2C_ADDR, CH7301_DC, 0x09);
-			i2c_reg_write(CH7301_I2C_ADDR, CH7301_PM, 0xc0);
-			output_driver_present = true;
-		}
-	}
+	if (!ch7301_probe(screen, true))
+		output_driver_present = true;
 #endif
 
 #ifdef CONFIG_SYS_SIL1178_I2C
diff --git a/board/gdsys/common/osd.h b/board/gdsys/common/osd.h
index 440b276..5b3f14b 100644
--- a/board/gdsys/common/osd.h
+++ b/board/gdsys/common/osd.h
@@ -8,6 +8,7 @@
 #ifndef _OSD_H_
 #define _OSD_H_
 
+int ch7301_probe(unsigned screen, bool power);
 int osd_probe(unsigned screen);
 
 #endif
diff --git a/board/gdsys/mpc8308/Kconfig b/board/gdsys/mpc8308/Kconfig
index 43e1663..9a1a3a2 100644
--- a/board/gdsys/mpc8308/Kconfig
+++ b/board/gdsys/mpc8308/Kconfig
@@ -10,3 +10,16 @@
 	default "hrcon"
 
 endif
+
+if TARGET_STRIDER
+
+config SYS_BOARD
+	default "mpc8308"
+
+config SYS_VENDOR
+	default "gdsys"
+
+config SYS_CONFIG_NAME
+	default "strider"
+
+endif
diff --git a/board/gdsys/mpc8308/MAINTAINERS b/board/gdsys/mpc8308/MAINTAINERS
index a7853a5..35704bc 100644
--- a/board/gdsys/mpc8308/MAINTAINERS
+++ b/board/gdsys/mpc8308/MAINTAINERS
@@ -4,3 +4,6 @@
 F:	board/gdsys/mpc8308/
 F:	include/configs/hrcon.h
 F:	configs/hrcon_defconfig
+F:	include/configs/strider.h
+F:	configs/strider_cpu_defconfig
+F:	configs/strider_con_defconfig
diff --git a/board/gdsys/mpc8308/Makefile b/board/gdsys/mpc8308/Makefile
index b5dfdbb..42702fb 100644
--- a/board/gdsys/mpc8308/Makefile
+++ b/board/gdsys/mpc8308/Makefile
@@ -7,3 +7,4 @@
 
 obj-y := mpc8308.o sdram.o
 obj-$(CONFIG_HRCON) += hrcon.o
+obj-$(CONFIG_STRIDER) += strider.o
diff --git a/board/gdsys/mpc8308/strider.c b/board/gdsys/mpc8308/strider.c
new file mode 100644
index 0000000..8e5d5de
--- /dev/null
+++ b/board/gdsys/mpc8308/strider.c
@@ -0,0 +1,501 @@
+/*
+ * (C) Copyright 2014
+ * Dirk Eibach,  Guntermann & Drunck GmbH, eibach@gdsys.de
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <hwconfig.h>
+#include <i2c.h>
+#include <spi.h>
+#include <libfdt.h>
+#include <fdt_support.h>
+#include <pci.h>
+#include <mpc83xx.h>
+#include <fsl_esdhc.h>
+#include <asm/io.h>
+#include <asm/fsl_serdes.h>
+#include <asm/fsl_mpc83xx_serdes.h>
+
+#include "mpc8308.h"
+
+#include <gdsys_fpga.h>
+
+#include "../common/adv7611.h"
+#include "../common/ch7301.h"
+#include "../common/ioep-fpga.h"
+#include "../common/mclink.h"
+#include "../common/osd.h"
+#include "../common/phy.h"
+
+#include <pca953x.h>
+#include <pca9698.h>
+
+#include <miiphy.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define MAX_MUX_CHANNELS 2
+
+enum {
+	MCFPGA_DONE = 1 << 0,
+	MCFPGA_INIT_N = 1 << 1,
+	MCFPGA_PROGRAM_N = 1 << 2,
+	MCFPGA_UPDATE_ENABLE_N = 1 << 3,
+	MCFPGA_RESET_N = 1 << 4,
+};
+
+enum {
+	GPIO_MDC = 1 << 14,
+	GPIO_MDIO = 1 << 15,
+};
+
+enum {
+	FAN_CONFIG = 0x03,
+	FAN_TACHLIM_LSB = 0x48,
+	FAN_TACHLIM_MSB = 0x49,
+	FAN_PWM_FREQ = 0x4D,
+};
+
+unsigned int mclink_fpgacount;
+struct ihs_fpga *fpga_ptr[] = CONFIG_SYS_FPGA_PTR;
+
+struct {
+	u8 bus;
+	u8 addr;
+} strider_fans[] = CONFIG_STRIDER_FANS;
+
+int fpga_set_reg(u32 fpga, u16 *reg, off_t regoff, u16 data)
+{
+	int res;
+
+	switch (fpga) {
+	case 0:
+		out_le16(reg, data);
+		break;
+	default:
+		res = mclink_send(fpga - 1, regoff, data);
+		if (res < 0) {
+			printf("mclink_send reg %02lx data %04x returned %d\n",
+			       regoff, data, res);
+			return res;
+		}
+		break;
+	}
+
+	return 0;
+}
+
+int fpga_get_reg(u32 fpga, u16 *reg, off_t regoff, u16 *data)
+{
+	int res;
+
+	switch (fpga) {
+	case 0:
+		*data = in_le16(reg);
+		break;
+	default:
+		if (fpga > mclink_fpgacount)
+			return -EINVAL;
+		res = mclink_receive(fpga - 1, regoff, data);
+		if (res < 0) {
+			printf("mclink_receive reg %02lx returned %d\n",
+			       regoff, res);
+			return res;
+		}
+	}
+
+	return 0;
+}
+
+int checkboard(void)
+{
+	char *s = getenv("serial#");
+	bool hw_type_cat = pca9698_get_value(0x20, 18);
+
+	puts("Board: ");
+
+	printf("Strider %s", hw_type_cat ? "CAT" : "Fiber");
+
+	if (s != NULL) {
+		puts(", serial# ");
+		puts(s);
+	}
+
+	puts("\n");
+
+	return 0;
+}
+
+static void init_fan_controller(u8 addr)
+{
+	int val;
+
+	/* set PWM Frequency to 2.5% resolution */
+	i2c_reg_write(addr, FAN_PWM_FREQ, 20);
+
+	/* set Tachometer Limit */
+	i2c_reg_write(addr, FAN_TACHLIM_LSB, 0x10);
+	i2c_reg_write(addr, FAN_TACHLIM_MSB, 0x0a);
+
+	/* enable Tach input */
+	val = i2c_reg_read(addr, FAN_CONFIG) | 0x04;
+	i2c_reg_write(addr, FAN_CONFIG, val);
+}
+
+int last_stage_init(void)
+{
+	int slaves;
+	unsigned int k;
+	unsigned int mux_ch;
+	unsigned char mclink_controllers[] = { 0x3c, 0x3d, 0x3e };
+	bool hw_type_cat = pca9698_get_value(0x20, 18);
+	bool ch0_sgmii2_present = false;
+
+	/* Turn on Analog Devices ADV7611 */
+	pca9698_direction_output(0x20, 8, 0);
+
+	/* Turn on Parade DP501 */
+	pca9698_direction_output(0x20, 9, 1);
+
+	ch0_sgmii2_present = !pca9698_get_value(0x20, 37);
+
+	/* wait for FPGA done, then reset FPGA */
+	for (k = 0; k < ARRAY_SIZE(mclink_controllers); ++k) {
+		unsigned int ctr = 0;
+
+		if (i2c_probe(mclink_controllers[k]))
+			continue;
+
+		while (!(pca953x_get_val(mclink_controllers[k])
+		       & MCFPGA_DONE)) {
+			udelay(100000);
+			if (ctr++ > 5) {
+				printf("no done for mclink_controller %d\n", k);
+				break;
+			}
+		}
+
+		pca953x_set_dir(mclink_controllers[k], MCFPGA_RESET_N, 0);
+		pca953x_set_val(mclink_controllers[k], MCFPGA_RESET_N, 0);
+		udelay(10);
+		pca953x_set_val(mclink_controllers[k], MCFPGA_RESET_N,
+				MCFPGA_RESET_N);
+	}
+
+	if (hw_type_cat) {
+		miiphy_register(bb_miiphy_buses[0].name, bb_miiphy_read,
+				bb_miiphy_write);
+		for (mux_ch = 0; mux_ch < MAX_MUX_CHANNELS; ++mux_ch) {
+			if ((mux_ch == 1) && !ch0_sgmii2_present)
+				continue;
+
+			setup_88e1514(bb_miiphy_buses[0].name, mux_ch);
+		}
+	}
+
+	/* give slave-PLLs and Parade DP501 some time to be up and running */
+	udelay(500000);
+
+	mclink_fpgacount = CONFIG_SYS_MCLINK_MAX;
+	slaves = mclink_probe();
+	mclink_fpgacount = 0;
+
+	ioep_fpga_print_info(0);
+
+	if (!adv7611_probe(0))
+		printf("       Advantiv ADV7611 HDMI Receiver\n");
+
+#ifdef CONFIG_STRIDER_CON
+	if (ioep_fpga_has_osd(0))
+		osd_probe(0);
+#endif
+
+#ifdef CONFIG_STRIDER_CPU
+	ch7301_probe(0, false);
+#endif
+
+	if (slaves <= 0)
+		return 0;
+
+	mclink_fpgacount = slaves;
+
+	for (k = 1; k <= slaves; ++k) {
+		ioep_fpga_print_info(k);
+#ifdef CONFIG_STRIDER_CON
+		if (ioep_fpga_has_osd(k))
+			osd_probe(k);
+#endif
+#ifdef CONFIG_STRIDER_CPU
+		FPGA_SET_REG(k, extended_control, 0); /* enable video in*/
+		if (!adv7611_probe(k))
+			printf("       Advantiv ADV7611 HDMI Receiver\n");
+		ch7301_probe(k, false);
+#endif
+		if (hw_type_cat) {
+			miiphy_register(bb_miiphy_buses[k].name,
+					bb_miiphy_read, bb_miiphy_write);
+			setup_88e1514(bb_miiphy_buses[k].name, 0);
+		}
+	}
+
+	for (k = 0; k < ARRAY_SIZE(strider_fans); ++k) {
+		i2c_set_bus_num(strider_fans[k].bus);
+		init_fan_controller(strider_fans[k].addr);
+	}
+
+	return 0;
+}
+
+/*
+ * provide access to fpga gpios (for I2C bitbang)
+ * (these may look all too simple but make iocon.h much more readable)
+ */
+void fpga_gpio_set(unsigned int bus, int pin)
+{
+	FPGA_SET_REG(bus, gpio.set, pin);
+}
+
+void fpga_gpio_clear(unsigned int bus, int pin)
+{
+	FPGA_SET_REG(bus, gpio.clear, pin);
+}
+
+int fpga_gpio_get(unsigned int bus, int pin)
+{
+	u16 val;
+
+	FPGA_GET_REG(bus, gpio.read, &val);
+
+	return val & pin;
+}
+
+void mpc8308_init(void)
+{
+	pca9698_direction_output(0x20, 26, 1);
+}
+
+void mpc8308_set_fpga_reset(unsigned state)
+{
+	pca9698_set_value(0x20, 26, state ? 0 : 1);
+}
+
+void mpc8308_setup_hw(void)
+{
+	immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
+
+	/*
+	 * set "startup-finished"-gpios
+	 */
+	setbits_be32(&immr->gpio[0].dir, (1 << (31-11)) | (1 << (31-12)));
+	setbits_be32(&immr->gpio[0].dat, 1 << (31-12));
+}
+
+int mpc8308_get_fpga_done(unsigned fpga)
+{
+	return pca9698_get_value(0x20, 20);
+}
+
+#ifdef CONFIG_FSL_ESDHC
+int board_mmc_init(bd_t *bd)
+{
+	immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
+	sysconf83xx_t *sysconf = &immr->sysconf;
+
+	/* Enable cache snooping in eSDHC system configuration register */
+	out_be32(&sysconf->sdhccr, 0x02000000);
+
+	return fsl_esdhc_mmc_init(bd);
+}
+#endif
+
+static struct pci_region pcie_regions_0[] = {
+	{
+		.bus_start = CONFIG_SYS_PCIE1_MEM_BASE,
+		.phys_start = CONFIG_SYS_PCIE1_MEM_PHYS,
+		.size = CONFIG_SYS_PCIE1_MEM_SIZE,
+		.flags = PCI_REGION_MEM,
+	},
+	{
+		.bus_start = CONFIG_SYS_PCIE1_IO_BASE,
+		.phys_start = CONFIG_SYS_PCIE1_IO_PHYS,
+		.size = CONFIG_SYS_PCIE1_IO_SIZE,
+		.flags = PCI_REGION_IO,
+	},
+};
+
+void pci_init_board(void)
+{
+	immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
+	sysconf83xx_t *sysconf = &immr->sysconf;
+	law83xx_t *pcie_law = sysconf->pcielaw;
+	struct pci_region *pcie_reg[] = { pcie_regions_0 };
+
+	fsl_setup_serdes(CONFIG_FSL_SERDES1, FSL_SERDES_PROTO_PEX,
+			 FSL_SERDES_CLK_100, FSL_SERDES_VDD_1V);
+
+	/* Deassert the resets in the control register */
+	out_be32(&sysconf->pecr1, 0xE0008000);
+	udelay(2000);
+
+	/* Configure PCI Express Local Access Windows */
+	out_be32(&pcie_law[0].bar, CONFIG_SYS_PCIE1_BASE & LAWBAR_BAR);
+	out_be32(&pcie_law[0].ar, LBLAWAR_EN | LBLAWAR_512MB);
+
+	mpc83xx_pcie_init(1, pcie_reg);
+}
+
+ulong board_flash_get_legacy(ulong base, int banknum, flash_info_t *info)
+{
+	info->portwidth = FLASH_CFI_16BIT;
+	info->chipwidth = FLASH_CFI_BY16;
+	info->interface = FLASH_CFI_X16;
+	return 1;
+}
+
+#if defined(CONFIG_OF_BOARD_SETUP)
+int ft_board_setup(void *blob, bd_t *bd)
+{
+	ft_cpu_setup(blob, bd);
+	fdt_fixup_dr_usb(blob, bd);
+	fdt_fixup_esdhc(blob, bd);
+
+	return 0;
+}
+#endif
+
+/*
+ * FPGA MII bitbang implementation
+ */
+
+struct fpga_mii {
+	unsigned fpga;
+	int mdio;
+} fpga_mii[] = {
+	{ 0, 1},
+	{ 1, 1},
+	{ 2, 1},
+	{ 3, 1},
+};
+
+static int mii_dummy_init(struct bb_miiphy_bus *bus)
+{
+	return 0;
+}
+
+static int mii_mdio_active(struct bb_miiphy_bus *bus)
+{
+	struct fpga_mii *fpga_mii = bus->priv;
+
+	if (fpga_mii->mdio)
+		FPGA_SET_REG(fpga_mii->fpga, gpio.set, GPIO_MDIO);
+	else
+		FPGA_SET_REG(fpga_mii->fpga, gpio.clear, GPIO_MDIO);
+
+	return 0;
+}
+
+static int mii_mdio_tristate(struct bb_miiphy_bus *bus)
+{
+	struct fpga_mii *fpga_mii = bus->priv;
+
+	FPGA_SET_REG(fpga_mii->fpga, gpio.set, GPIO_MDIO);
+
+	return 0;
+}
+
+static int mii_set_mdio(struct bb_miiphy_bus *bus, int v)
+{
+	struct fpga_mii *fpga_mii = bus->priv;
+
+	if (v)
+		FPGA_SET_REG(fpga_mii->fpga, gpio.set, GPIO_MDIO);
+	else
+		FPGA_SET_REG(fpga_mii->fpga, gpio.clear, GPIO_MDIO);
+
+	fpga_mii->mdio = v;
+
+	return 0;
+}
+
+static int mii_get_mdio(struct bb_miiphy_bus *bus, int *v)
+{
+	u16 gpio;
+	struct fpga_mii *fpga_mii = bus->priv;
+
+	FPGA_GET_REG(fpga_mii->fpga, gpio.read, &gpio);
+
+	*v = ((gpio & GPIO_MDIO) != 0);
+
+	return 0;
+}
+
+static int mii_set_mdc(struct bb_miiphy_bus *bus, int v)
+{
+	struct fpga_mii *fpga_mii = bus->priv;
+
+	if (v)
+		FPGA_SET_REG(fpga_mii->fpga, gpio.set, GPIO_MDC);
+	else
+		FPGA_SET_REG(fpga_mii->fpga, gpio.clear, GPIO_MDC);
+
+	return 0;
+}
+
+static int mii_delay(struct bb_miiphy_bus *bus)
+{
+	udelay(1);
+
+	return 0;
+}
+
+struct bb_miiphy_bus bb_miiphy_buses[] = {
+	{
+		.name = "board0",
+		.init = mii_dummy_init,
+		.mdio_active = mii_mdio_active,
+		.mdio_tristate = mii_mdio_tristate,
+		.set_mdio = mii_set_mdio,
+		.get_mdio = mii_get_mdio,
+		.set_mdc = mii_set_mdc,
+		.delay = mii_delay,
+		.priv = &fpga_mii[0],
+	},
+	{
+		.name = "board1",
+		.init = mii_dummy_init,
+		.mdio_active = mii_mdio_active,
+		.mdio_tristate = mii_mdio_tristate,
+		.set_mdio = mii_set_mdio,
+		.get_mdio = mii_get_mdio,
+		.set_mdc = mii_set_mdc,
+		.delay = mii_delay,
+		.priv = &fpga_mii[1],
+	},
+	{
+		.name = "board2",
+		.init = mii_dummy_init,
+		.mdio_active = mii_mdio_active,
+		.mdio_tristate = mii_mdio_tristate,
+		.set_mdio = mii_set_mdio,
+		.get_mdio = mii_get_mdio,
+		.set_mdc = mii_set_mdc,
+		.delay = mii_delay,
+		.priv = &fpga_mii[2],
+	},
+	{
+		.name = "board3",
+		.init = mii_dummy_init,
+		.mdio_active = mii_mdio_active,
+		.mdio_tristate = mii_mdio_tristate,
+		.set_mdio = mii_set_mdio,
+		.get_mdio = mii_get_mdio,
+		.set_mdc = mii_set_mdc,
+		.delay = mii_delay,
+		.priv = &fpga_mii[3],
+	},
+};
+
+int bb_miiphy_buses_num = sizeof(bb_miiphy_buses) /
+			  sizeof(bb_miiphy_buses[0]);