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-rw-r--r--board/gdsys/405ep/iocon.c236
1 files changed, 236 insertions, 0 deletions
diff --git a/board/gdsys/405ep/iocon.c b/board/gdsys/405ep/iocon.c
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+++ b/board/gdsys/405ep/iocon.c
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+/*
+ * (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 "../common/fpga.h"
+#include "../common/osd.h"
+
+enum {
+ REG_VERSIONS = 0x0002,
+ REG_FPGA_VERSION = 0x0004,
+ REG_FPGA_FEATURES = 0x0006,
+};
+
+enum {
+ UNITTYPE_MAIN_SERVER = 0,
+ UNITTYPE_MAIN_USER = 1,
+ UNITTYPE_VIDEO_SERVER = 2,
+ UNITTYPE_VIDEO_USER = 3,
+};
+
+enum {
+ HWVER_100 = 0,
+ HWVER_104 = 1,
+ HWVER_110 = 2,
+};
+
+enum {
+ COMPRESSION_NONE = 0,
+ COMPRESSION_TYPE1_DELTA,
+};
+
+enum {
+ AUDIO_NONE = 0,
+ AUDIO_TX = 1,
+ AUDIO_RX = 2,
+ AUDIO_RXTX = 3,
+};
+
+enum {
+ SYSCLK_147456 = 0,
+};
+
+enum {
+ RAM_DDR2_32 = 0,
+};
+
+/*
+ * Check Board Identity:
+ */
+int checkboard(void)
+{
+ char *s = getenv("serial#");
+ u16 versions = fpga_get_reg(REG_VERSIONS);
+ u16 fpga_version = fpga_get_reg(REG_FPGA_VERSION);
+ u16 fpga_features = fpga_get_reg(REG_FPGA_FEATURES);
+ unsigned unit_type;
+ unsigned hardware_version;
+ unsigned feature_compression;
+ unsigned feature_osd;
+ unsigned feature_audio;
+ unsigned feature_sysclock;
+ unsigned feature_ramconfig;
+ unsigned feature_carriers;
+ unsigned feature_video_channels;
+
+ unit_type = (versions & 0xf000) >> 12;
+ hardware_version = versions & 0x000f;
+ 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_carriers = (fpga_features & 0x000c) >> 2;
+ feature_video_channels = fpga_features & 0x0003;
+
+ printf("Board: ");
+
+ printf("IoCon");
+
+ if (s != NULL) {
+ puts(", serial# ");
+ puts(s);
+ }
+ puts("\n ");
+
+ switch (unit_type) {
+ case UNITTYPE_MAIN_USER:
+ printf("Mainchannel");
+ break;
+
+ case UNITTYPE_VIDEO_USER:
+ printf("Videochannel");
+ break;
+
+ default:
+ printf("UnitType %d(not supported)", unit_type);
+ break;
+ }
+
+ switch (hardware_version) {
+ case HWVER_100:
+ printf(" HW-Ver 1.00\n");
+ break;
+
+ case HWVER_104:
+ printf(" HW-Ver 1.04\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);
+
+
+ switch (feature_compression) {
+ case COMPRESSION_NONE:
+ printf(" no compression");
+ break;
+
+ case COMPRESSION_TYPE1_DELTA:
+ printf(" type1-deltacompression");
+ 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;
+
+ default:
+ printf(", RAM %d(not supported)", feature_ramconfig);
+ break;
+ }
+
+ printf(", %d carrier(s)", feature_carriers);
+
+ printf(", %d video channel(s)\n", feature_video_channels);
+
+ return 0;
+}
+
+int last_stage_init(void)
+{
+ return osd_probe();
+}
+
+/*
+ * provide access to fpga gpios (for I2C bitbang)
+ */
+void fpga_gpio_set(int pin)
+{
+ out_le16((void *)(CONFIG_SYS_FPGA_BASE + 0x18), pin);
+}
+
+void fpga_gpio_clear(int pin)
+{
+ out_le16((void *)(CONFIG_SYS_FPGA_BASE + 0x16), pin);
+}
+
+int fpga_gpio_get(int pin)
+{
+ return in_le16((void *)(CONFIG_SYS_FPGA_BASE + 0x14)) & pin;
+}