ppc4xx: Add DLVision-10G board support

Board support for the Guntermann & Drunck DLVision-10G.
Adds support for multiple FPGAs per board for gdsys 405ep
architecture.
Adds support for dual link osd hardware for gdsys 405ep.

Signed-off-by: Dirk Eibach <eibach@gdsys.de>
Signed-off-by: Stefan Roese <sr@denx.de>
diff --git a/board/gdsys/405ep/dlvision-10g.c b/board/gdsys/405ep/dlvision-10g.c
new file mode 100644
index 0000000..df7fb14
--- /dev/null
+++ b/board/gdsys/405ep/dlvision-10g.c
@@ -0,0 +1,239 @@
+/*
+ * (C) Copyright 2010
+ * Dirk Eibach,  Guntermann & Drunck GmbH, eibach@gdsys.de
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <command.h>
+#include <asm/processor.h>
+#include <asm/io.h>
+#include <asm/ppc4xx-gpio.h>
+
+#include <gdsys_fpga.h>
+
+#include "../common/osd.h"
+
+enum {
+	UNITTYPE_VIDEO_USER = 0,
+	UNITTYPE_MAIN_USER = 1,
+	UNITTYPE_VIDEO_SERVER = 2,
+	UNITTYPE_MAIN_SERVER = 3,
+};
+
+enum {
+	HWVER_101 = 0,
+	HWVER_110 = 1,
+};
+
+enum {
+	AUDIO_NONE = 0,
+	AUDIO_TX = 1,
+	AUDIO_RX = 2,
+	AUDIO_RXTX = 3,
+};
+
+enum {
+	SYSCLK_156250 = 2,
+};
+
+enum {
+	RAM_NONE = 0,
+	RAM_DDR2_32 = 1,
+	RAM_DDR2_64 = 2,
+};
+
+static void print_fpga_info(unsigned dev)
+{
+	ihs_fpga_t *fpga = (ihs_fpga_t *) CONFIG_SYS_FPGA_BASE(dev);
+	u16 versions = in_le16(&fpga->versions);
+	u16 fpga_version = in_le16(&fpga->fpga_version);
+	u16 fpga_features = in_le16(&fpga->fpga_features);
+	unsigned unit_type;
+	unsigned hardware_version;
+	unsigned feature_compression;
+	unsigned feature_rs232;
+	unsigned feature_audio;
+	unsigned feature_sysclock;
+	unsigned feature_ramconfig;
+	unsigned feature_carrier_speed;
+	unsigned feature_carriers;
+	unsigned feature_video_channels;
+	int fpga_state = get_fpga_state(dev);
+
+	printf("FPGA%d: ", dev);
+
+	hardware_version = versions & 0x000f;
+
+	if (fpga_state
+	    && !((hardware_version == HWVER_101)
+		 && (fpga_state == FPGA_STATE_DONE_FAILED))) {
+		puts("not available\n");
+		print_fpga_state(dev);
+		return;
+	}
+
+	unit_type = (versions >> 4) & 0x000f;
+	hardware_version = versions & 0x000f;
+	feature_compression = (fpga_features >> 13) & 0x0003;
+	feature_rs232 = fpga_features & (1<<11);
+	feature_audio = (fpga_features >> 9) & 0x0003;
+	feature_sysclock = (fpga_features >> 7) & 0x0003;
+	feature_ramconfig = (fpga_features >> 5) & 0x0003;
+	feature_carrier_speed = fpga_features & (1<<4);
+	feature_carriers = (fpga_features >> 2) & 0x0003;
+	feature_video_channels = fpga_features & 0x0003;
+
+	switch (unit_type) {
+	case UNITTYPE_VIDEO_USER:
+		printf("Videochannel Userside");
+		break;
+
+	case UNITTYPE_MAIN_USER:
+		printf("Mainchannel Userside");
+		break;
+
+	case UNITTYPE_VIDEO_SERVER:
+		printf("Videochannel Serverside");
+		break;
+
+	case UNITTYPE_MAIN_SERVER:
+		printf("Mainchannel Serverside");
+		break;
+
+	default:
+		printf("UnitType %d(not supported)", unit_type);
+		break;
+	}
+
+	switch (hardware_version) {
+	case HWVER_101:
+		printf(" HW-Ver 1.01\n");
+		break;
+
+	case HWVER_110:
+		printf(" HW-Ver 1.10\n");
+		break;
+
+	default:
+		printf(" HW-Ver %d(not supported)\n",
+		       hardware_version);
+		break;
+	}
+
+	printf("       FPGA V %d.%02d, features:",
+		fpga_version / 100, fpga_version % 100);
+
+	printf(" %sRS232", feature_rs232 ? "" : "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;
+	}
+
+	switch (feature_sysclock) {
+	case SYSCLK_156250:
+		printf(", clock 156.25 MHz");
+		break;
+
+	default:
+		printf(", clock %d(not supported)", feature_sysclock);
+		break;
+	}
+
+	puts(",\n       ");
+
+	switch (feature_ramconfig) {
+	case RAM_NONE:
+		printf("no RAM");
+		break;
+
+	case RAM_DDR2_32:
+		printf("RAM 32 bit DDR2");
+		break;
+
+	case RAM_DDR2_64:
+		printf("RAM 64 bit DDR2");
+		break;
+
+	default:
+		printf("RAM %d(not supported)", feature_ramconfig);
+		break;
+	}
+
+	printf(", %d carrier(s) %s", feature_carriers,
+		feature_carrier_speed ? "10 Gbit/s" : "of unknown speed");
+
+	printf(", %d video channel(s)\n", feature_video_channels);
+}
+
+/*
+ * Check Board Identity:
+ */
+int checkboard(void)
+{
+	unsigned k;
+	char *s = getenv("serial#");
+
+	printf("Board: ");
+
+	printf("DLVision 10G");
+
+	if (s != NULL) {
+		puts(", serial# ");
+		puts(s);
+	}
+
+	puts("\n");
+
+	for (k = 0; k < CONFIG_SYS_FPGA_COUNT; ++k)
+		print_fpga_info(k);
+
+	return 0;
+}
+
+int last_stage_init(void)
+{
+	unsigned k;
+
+	for (k = 0; k < CONFIG_SYS_OSD_SCREENS; ++k)
+		if (!get_fpga_state(k)
+		    || (get_fpga_state(k) == FPGA_STATE_DONE_FAILED))
+			osd_probe(k);
+
+	return 0;
+}