diff --git a/op-hostctl/Makefile b/op-hostctl/Makefile
new file mode 100644
index 0000000..99f63dc
--- /dev/null
+++ b/op-hostctl/Makefile
@@ -0,0 +1,3 @@
+BINS=control_host
+include ../gdbus.mk
+include ../rules.mk
diff --git a/op-hostctl/control_host_obj.c b/op-hostctl/control_host_obj.c
new file mode 100644
index 0000000..e65f0af
--- /dev/null
+++ b/op-hostctl/control_host_obj.c
@@ -0,0 +1,271 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <sys/stat.h>
+#include <sys/mman.h>
+#include "interfaces/openbmc_intf.h"
+#include "openbmc.h"
+#include "gpio.h"
+
+/* ------------------------------------------------------------------------- */
+static const gchar* dbus_object_path = "/org/openbmc/control";
+static const gchar* instance_name = "host0";
+static const gchar* dbus_name = "org.openbmc.control.Host";
+
+static GDBusObjectManagerServer *manager = NULL;
+
+GPIO fsi_data     = (GPIO){ "FSI_DATA" };
+GPIO fsi_clk      = (GPIO){ "FSI_CLK" };
+GPIO fsi_enable   = (GPIO){ "FSI_ENABLE" };
+GPIO cronus_sel   = (GPIO){ "CRONUS_SEL" };
+GPIO Throttle     = (GPIO){ "BMC_THROTTLE" };
+GPIO idbtn     	  = (GPIO){ "IDBTN" };
+
+/* Bit bang patterns */
+
+//putcfam pu 281c 30000000 -p0 (Primary Side Select)
+static const char* primary = "000011111111110101111000111001100111111111111111111111111111101111111111";
+//putcfam pu 281c B0000000 -p0
+static const char* go = "000011111111110101111000111000100111111111111111111111111111101101111111";
+//putcfam pu 0x281c 30900000 (Golden Side Select)
+static const char* golden = "000011111111110101111000111001100111101101111111111111111111101001111111";
+
+/* Setup attentions */
+//putcfam pu 0x081C 20000000
+static const char* attnA = "000011111111111101111110001001101111111111111111111111111111110001111111";
+//putcfam pu 0x100D 40000000
+static const char* attnB = "000011111111111011111100101001011111111111111111111111111111110001111111";
+//putcfam pu  0x100B FFFFFFFF
+static const char* attnC = "000011111111111011111101001000000000000000000000000000000000001011111111";
+
+
+
+static gboolean
+on_init(Control *control,
+		GDBusMethodInvocation *invocation,
+		gpointer user_data)
+{
+	control_complete_init(control,invocation);
+	return TRUE;
+}
+
+int
+fsi_bitbang(const char* pattern)
+{
+	int rc=GPIO_OK;
+	int i;
+	for(i=0;i<strlen(pattern);i++) {
+		rc = gpio_writec(&fsi_data,pattern[i]);
+		if(rc!=GPIO_OK) { break; }
+		rc = gpio_clock_cycle(&fsi_clk,1);
+		if(rc!=GPIO_OK) { break; }
+	}
+	return rc;
+}
+
+int
+fsi_standby()
+{
+	int rc=GPIO_OK;
+	rc = gpio_write(&fsi_data,1);
+	if(rc!=GPIO_OK) { return rc; }
+	rc = gpio_clock_cycle(&fsi_clk,5000);
+	if(rc!=GPIO_OK) { return rc; }
+	return rc;
+}
+
+
+static gboolean
+on_boot(ControlHost *host,
+		GDBusMethodInvocation *invocation,
+		gpointer user_data)
+{
+	int rc = GPIO_OK;
+
+	if(control_host_get_debug_mode(host)==1)
+	{
+		g_print("Enabling debug mode; not booting host\n");
+		rc |= gpio_open(&fsi_enable);
+		rc |= gpio_open(&cronus_sel);
+		rc |= gpio_write(&fsi_enable,1);
+		rc |= gpio_write(&cronus_sel,0);
+		if(rc!=GPIO_OK) {
+			g_print("ERROR enabling debug mode: %d\n",rc);
+		}
+		return TRUE;
+	}
+	g_print("Booting host\n");
+	Control* control = object_get_control((Object*)user_data);
+	control_host_complete_boot(host,invocation);
+	do {
+		rc = gpio_open(&fsi_clk);
+		rc |= gpio_open(&fsi_data);
+		rc |= gpio_open(&fsi_enable);
+		rc |= gpio_open(&cronus_sel);
+		rc |= gpio_open(&Throttle);
+		rc |= gpio_open(&idbtn);
+		if(rc!=GPIO_OK) { break; }
+
+		//setup dc pins
+		rc = gpio_write(&cronus_sel,1);
+		rc |= gpio_write(&fsi_enable,1);
+		rc |= gpio_write(&fsi_clk,1);
+		rc |= gpio_write(&Throttle,1);
+		rc |= gpio_write(&idbtn,0);
+		if(rc!=GPIO_OK) { break; }
+
+		//data standy state
+		rc = fsi_standby();
+
+		//clear out pipes
+		rc |= gpio_write(&fsi_data,0);
+		rc |= gpio_clock_cycle(&fsi_clk,256);
+		rc |= gpio_write(&fsi_data,1);
+		rc |= gpio_clock_cycle(&fsi_clk,50);
+		if(rc!=GPIO_OK) { break; }
+
+		rc = fsi_bitbang(attnA);
+		rc |= fsi_standby();
+
+		rc |= fsi_bitbang(attnB);
+		rc |= fsi_standby();
+
+		rc |= fsi_bitbang(attnC);
+		rc |= fsi_standby();
+		if(rc!=GPIO_OK) { break; }
+
+		const gchar* flash_side = control_host_get_flash_side(host);
+		g_print("Using %s side of the bios flash\n",flash_side);
+		if(strcmp(flash_side,"primary")==0) {
+			rc |= fsi_bitbang(primary);
+		} else if(strcmp(flash_side,"golden") == 0) {
+			rc |= fsi_bitbang(golden);
+		} else {
+			g_print("ERROR: Invalid flash side: %s\n",flash_side);
+			rc = 0xff;
+
+		}
+		rc |= fsi_standby();
+		if(rc!=GPIO_OK) { break; }
+
+		rc = fsi_bitbang(go);
+
+		rc |= gpio_write(&fsi_data,1); /* Data standby state */
+		rc |= gpio_clock_cycle(&fsi_clk,2);
+
+		rc |= gpio_write(&fsi_clk,0); /* hold clk low for clock mux */
+		rc |= gpio_write(&fsi_enable,0);
+		rc |= gpio_clock_cycle(&fsi_clk,16);
+		rc |= gpio_write(&fsi_clk,0); /* Data standby state */
+
+	} while(0);
+	if(rc != GPIO_OK)
+	{
+		g_print("ERROR HostControl: GPIO sequence failed (rc=%d)\n",rc);
+	} else {
+		control_emit_goto_system_state(control,"HOST_BOOTING");
+	}
+	gpio_close(&fsi_clk);
+	gpio_close(&fsi_data);
+	gpio_close(&fsi_enable);
+	gpio_close(&cronus_sel);
+	gpio_close(&Throttle);
+	gpio_close(&idbtn);
+
+	control_host_emit_booted(host);
+	return TRUE;
+}
+
+static void
+on_bus_acquired(GDBusConnection *connection,
+		const gchar *name,
+		gpointer user_data)
+{
+	ObjectSkeleton *object;
+	//g_print ("Acquired a message bus connection: %s\n",name);
+	manager = g_dbus_object_manager_server_new(dbus_object_path);
+
+	gchar *s;
+	s = g_strdup_printf("%s/%s",dbus_object_path,instance_name);
+	object = object_skeleton_new(s);
+	g_free(s);
+
+	ControlHost* control_host = control_host_skeleton_new();
+	object_skeleton_set_control_host(object, control_host);
+	g_object_unref(control_host);
+
+	Control* control = control_skeleton_new();
+	object_skeleton_set_control(object, control);
+	g_object_unref(control);
+
+	//define method callbacks here
+	g_signal_connect(control_host,
+			"handle-boot",
+			G_CALLBACK(on_boot),
+			object); /* user_data */
+	g_signal_connect(control,
+			"handle-init",
+			G_CALLBACK(on_init),
+			NULL); /* user_data */
+
+	control_host_set_debug_mode(control_host,0);
+	control_host_set_flash_side(control_host,"primary");
+
+	/* Export the object (@manager takes its own reference to @object) */
+	g_dbus_object_manager_server_set_connection(manager, connection);
+	g_dbus_object_manager_server_export(manager, G_DBUS_OBJECT_SKELETON(object));
+	g_object_unref(object);
+
+	gpio_init(connection,&fsi_data);
+	gpio_init(connection,&fsi_clk);
+	gpio_init(connection,&fsi_enable);
+	gpio_init(connection,&cronus_sel);
+	gpio_init(connection,&Throttle);
+	gpio_init(connection,&idbtn);
+}
+
+static void
+on_name_acquired(GDBusConnection *connection,
+		const gchar *name,
+		gpointer user_data)
+{
+	//  g_print ("Acquired the name %s\n", name);
+}
+
+static void
+on_name_lost(GDBusConnection *connection,
+		const gchar *name,
+		gpointer user_data)
+{
+	//  g_print ("Lost the name %s\n", name);
+}
+
+gint
+main(gint argc, gchar *argv[])
+{
+	GMainLoop *loop;
+	cmdline cmd;
+	cmd.argc = argc;
+	cmd.argv = argv;
+
+	guint id;
+	loop = g_main_loop_new(NULL, FALSE);
+
+	id = g_bus_own_name(DBUS_TYPE,
+			dbus_name,
+			G_BUS_NAME_OWNER_FLAGS_ALLOW_REPLACEMENT |
+			G_BUS_NAME_OWNER_FLAGS_REPLACE,
+			on_bus_acquired,
+			on_name_acquired,
+			on_name_lost,
+			&cmd,
+			NULL);
+
+	g_main_loop_run(loop);
+
+	g_bus_unown_name(id);
+	g_main_loop_unref(loop);
+	return 0;
+}