board/gdsys/405ep/iocon.c

   1 /*
   2  * (C) Copyright 2010
   3  * Dirk Eibach,  Guntermann & Drunck GmbH, eibach@gdsys.de
   4  *
   5  * See file CREDITS for list of people who contributed to this
   6  * project.
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License as
  10  * published by the Free Software Foundation; either version 2 of
  11  * the License, or (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21  * MA 02111-1307 USA
  22  */
  23
  24 #include <common.h>
  25 #include <command.h>
  26 #include <asm/processor.h>
  27 #include <asm/io.h>
  28 #include <asm/ppc4xx-gpio.h>
  29
  30 #include <gdsys_fpga.h>
  31
  32 #include "../common/osd.h"
  33
  34 enum {
  35         UNITTYPE_MAIN_SERVER = 0,
  36         UNITTYPE_MAIN_USER = 1,
  37         UNITTYPE_VIDEO_SERVER = 2,
  38         UNITTYPE_VIDEO_USER = 3,
  39 };
  40
  41 enum {
  42         HWVER_100 = 0,
  43         HWVER_104 = 1,
  44         HWVER_110 = 2,
  45 };
  46
  47 enum {
  48         COMPRESSION_NONE = 0,
  49         COMPRESSION_TYPE1_DELTA,
  50 };
  51
  52 enum {
  53         AUDIO_NONE = 0,
  54         AUDIO_TX = 1,
  55         AUDIO_RX = 2,
  56         AUDIO_RXTX = 3,
  57 };
  58
  59 enum {
  60         SYSCLK_147456 = 0,
  61 };
  62
  63 enum {
  64         RAM_DDR2_32 = 0,
  65 };
  66
  67 /*
  68  * Check Board Identity:
  69  */
  70 int checkboard(void)
  71 {
  72         char buf[64];
  73         int i = getenv_f("serial#", buf, sizeof(buf));
  74         ihs_fpga_t *fpga = (ihs_fpga_t *) CONFIG_SYS_FPGA_BASE(0);
  75         u16 versions = in_le16(&fpga->versions);
  76         u16 fpga_version = in_le16(&fpga->fpga_version);
  77         u16 fpga_features = in_le16(&fpga->fpga_features);
  78         unsigned unit_type;
  79         unsigned hardware_version;
  80         unsigned feature_compression;
  81         unsigned feature_osd;
  82         unsigned feature_audio;
  83         unsigned feature_sysclock;
  84         unsigned feature_ramconfig;
  85         unsigned feature_carriers;
  86         unsigned feature_video_channels;
  87
  88         unit_type = (versions & 0xf000) >> 12;
  89         hardware_version = versions & 0x000f;
  90         feature_compression = (fpga_features & 0xe000) >> 13;
  91         feature_osd = fpga_features & (1<<11);
  92         feature_audio = (fpga_features & 0x0600) >> 9;
  93         feature_sysclock = (fpga_features & 0x0180) >> 7;
  94         feature_ramconfig = (fpga_features & 0x0060) >> 5;
  95         feature_carriers = (fpga_features & 0x000c) >> 2;
  96         feature_video_channels = fpga_features & 0x0003;
  97
  98         printf("Board: ");
  99
 100         printf("IoCon");
 101
 102         if (i > 0) {
 103                 puts(", serial# ");
 104                 puts(buf);
 105         }
 106         puts("\n       ");
 107
 108         switch (unit_type) {
 109         case UNITTYPE_MAIN_USER:
 110                 printf("Mainchannel");
 111                 break;
 112
 113         case UNITTYPE_VIDEO_USER:
 114                 printf("Videochannel");
 115                 break;
 116
 117         default:
 118                 printf("UnitType %d(not supported)", unit_type);
 119                 break;
 120         }
 121
 122         switch (hardware_version) {
 123         case HWVER_100:
 124                 printf(" HW-Ver 1.00\n");
 125                 break;
 126
 127         case HWVER_104:
 128                 printf(" HW-Ver 1.04\n");
 129                 break;
 130
 131         case HWVER_110:
 132                 printf(" HW-Ver 1.10\n");
 133                 break;
 134
 135         default:
 136                 printf(" HW-Ver %d(not supported)\n",
 137                        hardware_version);
 138                 break;
 139         }
 140
 141         printf("       FPGA V %d.%02d, features:",
 142                 fpga_version / 100, fpga_version % 100);
 143
 144
 145         switch (feature_compression) {
 146         case COMPRESSION_NONE:
 147                 printf(" no compression");
 148                 break;
 149
 150         case COMPRESSION_TYPE1_DELTA:
 151                 printf(" type1-deltacompression");
 152                 break;
 153
 154         default:
 155                 printf(" compression %d(not supported)", feature_compression);
 156                 break;
 157         }
 158
 159         printf(", %sosd", feature_osd ? "" : "no ");
 160
 161         switch (feature_audio) {
 162         case AUDIO_NONE:
 163                 printf(", no audio");
 164                 break;
 165
 166         case AUDIO_TX:
 167                 printf(", audio tx");
 168                 break;
 169
 170         case AUDIO_RX:
 171                 printf(", audio rx");
 172                 break;
 173
 174         case AUDIO_RXTX:
 175                 printf(", audio rx+tx");
 176                 break;
 177
 178         default:
 179                 printf(", audio %d(not supported)", feature_audio);
 180                 break;
 181         }
 182
 183         puts(",\n       ");
 184
 185         switch (feature_sysclock) {
 186         case SYSCLK_147456:
 187                 printf("clock 147.456 MHz");
 188                 break;
 189
 190         default:
 191                 printf("clock %d(not supported)", feature_sysclock);
 192                 break;
 193         }
 194
 195         switch (feature_ramconfig) {
 196         case RAM_DDR2_32:
 197                 printf(", RAM 32 bit DDR2");
 198                 break;
 199
 200         default:
 201                 printf(", RAM %d(not supported)", feature_ramconfig);
 202                 break;
 203         }
 204
 205         printf(", %d carrier(s)", feature_carriers);
 206
 207         printf(", %d video channel(s)\n", feature_video_channels);
 208
 209         return 0;
 210 }
 211
 212 int last_stage_init(void)
 213 {
 214         return osd_probe(0);
 215 }
 216
 217 /*
 218  * provide access to fpga gpios (for I2C bitbang)
 219  */
 220 void fpga_gpio_set(int pin)
 221 {
 222         out_le16((void *)(CONFIG_SYS_FPGA0_BASE + 0x18), pin);
 223 }
 224
 225 void fpga_gpio_clear(int pin)
 226 {
 227         out_le16((void *)(CONFIG_SYS_FPGA0_BASE + 0x16), pin);
 228 }
 229
 230 int fpga_gpio_get(int pin)
 231 {
 232         return in_le16((void *)(CONFIG_SYS_FPGA0_BASE + 0x14)) & pin;
 233 }