src/mainboard/intel/eagleheights/debug.c

   1 /*
   2  * This file is part of the coreboot project.
   3  *
   4  * Copyright (C) 2007-2008 coresystems GmbH
   5  * Copyright (C) 2009 Thomas Jourdan <thomas.jourdan@gmail.com>
   6  *
   7  * This program is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU General Public License as
   9  * published by the Free Software Foundation; version 2 of
  10  * the License.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
  20  * MA 02110-1301 USA
  21  */
  22
  23 #include <spd.h>
  24
  25 static void print_reg(unsigned char index)
  26 {
  27         unsigned char data;
  28
  29         outb(index, 0x2e);
  30         data = inb(0x2f);
  31         print_debug("0x");
  32         print_debug_hex8(index);
  33         print_debug(": 0x");
  34         print_debug_hex8(data);
  35         print_debug("\n");
  36         return;
  37 }
  38
  39 static inline void xbus_en(void)
  40 {
  41         /* select the XBUS function in the SIO */
  42         outb(0x07, 0x2e);
  43         outb(0x0f, 0x2f);
  44         outb(0x30, 0x2e);
  45         outb(0x01, 0x2f);
  46         return;
  47 }
  48
  49 static void setup_func(unsigned char func)
  50 {
  51         /* select the function in the SIO */
  52         outb(0x07, 0x2e);
  53         outb(func, 0x2f);
  54         /* print out the regs */
  55         print_reg(0x30);
  56         print_reg(0x60);
  57         print_reg(0x61);
  58         print_reg(0x62);
  59         print_reg(0x63);
  60         print_reg(0x70);
  61         print_reg(0x71);
  62         print_reg(0x74);
  63         print_reg(0x75);
  64         return;
  65 }
  66
  67 static inline void siodump(void)
  68 {
  69         int i;
  70         unsigned char data;
  71
  72          print_debug("\n*** SERVER I/O REGISTERS ***\n");
  73         for (i=0x10; i<=0x2d; i++) {
  74                 print_reg((unsigned char)i);
  75         }
  76 #if 0
  77         print_debug("\n*** XBUS REGISTERS ***\n");
  78         setup_func(0x0f);
  79         for (i=0xf0; i<=0xff; i++) {
  80                 print_reg((unsigned char)i);
  81         }
  82
  83         print_debug("\n***  SERIAL 1 CONFIG REGISTERS ***\n");
  84         setup_func(0x03);
  85         print_reg(0xf0);
  86
  87         print_debug("\n***  SERIAL 2 CONFIG REGISTERS ***\n");
  88         setup_func(0x02);
  89         print_reg(0xf0);
  90
  91 #endif
  92         print_debug("\n***  GPIO REGISTERS ***\n");
  93         setup_func(0x07);
  94         for (i=0xf0; i<=0xf8; i++) {
  95                 print_reg((unsigned char)i);
  96         }
  97         print_debug("\n***  GPIO VALUES ***\n");
  98         data = inb(0x68a);
  99         print_debug("\nGPDO 4: 0x");
 100         print_debug_hex8(data);
 101         data = inb(0x68b);
 102         print_debug("\nGPDI 4: 0x");
 103         print_debug_hex8(data);
 104         print_debug("\n");
 105
 106 #if 0
 107
 108         print_debug("\n***  WATCHDOG TIMER REGISTERS ***\n");
 109         setup_func(0x0a);
 110         print_reg(0xf0);
 111
 112         print_debug("\n***  FAN CONTROL REGISTERS ***\n");
 113         setup_func(0x09);
 114         print_reg(0xf0);
 115         print_reg(0xf1);
 116
 117         print_debug("\n***  RTC REGISTERS ***\n");
 118         setup_func(0x10);
 119         print_reg(0xf0);
 120         print_reg(0xf1);
 121         print_reg(0xf3);
 122         print_reg(0xf6);
 123         print_reg(0xf7);
 124         print_reg(0xfe);
 125         print_reg(0xff);
 126
 127         print_debug("\n***  HEALTH MONITORING & CONTROL REGISTERS ***\n");
 128         setup_func(0x14);
 129         print_reg(0xf0);
 130 #endif
 131         return;
 132 }
 133
 134 static void print_debug_pci_dev(unsigned dev)
 135 {
 136         print_debug("PCI: ");
 137         print_debug_hex8((dev >> 16) & 0xff);
 138         print_debug_char(':');
 139         print_debug_hex8((dev >> 11) & 0x1f);
 140         print_debug_char('.');
 141         print_debug_hex8((dev >> 8) & 7);
 142 }
 143
 144 static inline void print_pci_devices(void)
 145 {
 146         device_t dev;
 147         for(dev = PCI_DEV(0, 0, 0);
 148                 dev <= PCI_DEV(0, 0x1f, 0x7);
 149                 dev += PCI_DEV(0,0,1)) {
 150                 uint32_t id;
 151                 id = pci_read_config32(dev, PCI_VENDOR_ID);
 152                 if (((id & 0xffff) == 0x0000) || ((id & 0xffff) == 0xffff) ||
 153                         (((id >> 16) & 0xffff) == 0xffff) ||
 154                         (((id >> 16) & 0xffff) == 0x0000)) {
 155                         continue;
 156                 }
 157                 print_debug_pci_dev(dev);
 158                 print_debug("\n");
 159         }
 160 }
 161
 162 static inline void dump_pci_device(unsigned dev)
 163 {
 164         int i;
 165         print_debug_pci_dev(dev);
 166         print_debug("\n");
 167
 168         for(i = 0; i <= 255; i++) {
 169                 unsigned char val;
 170                 if ((i & 0x0f) == 0) {
 171                         print_debug_hex8(i);
 172                         print_debug_char(':');
 173                 }
 174                 val = pci_read_config8(dev, i);
 175                 print_debug_char(' ');
 176                 print_debug_hex8(val);
 177                 if ((i & 0x0f) == 0x0f) {
 178                         print_debug("\n");
 179                 }
 180         }
 181 }
 182
 183 static inline void dump_bar14(unsigned dev)
 184 {
 185         int i;
 186         unsigned long bar;
 187
 188         print_debug("BAR 14 Dump\n");
 189
 190         bar = pci_read_config32(dev, 0x14);
 191         for(i = 0; i <= 0x300; i+=4) {
 192 #if 0
 193                 unsigned char val;
 194                 if ((i & 0x0f) == 0) {
 195                         print_debug_hex8(i);
 196                         print_debug_char(':');
 197                 }
 198                 val = pci_read_config8(dev, i);
 199 #endif
 200                 if((i%4)==0) {
 201                 print_debug("\n");
 202                 print_debug_hex16(i);
 203                 print_debug_char(' ');
 204                 }
 205                 print_debug_hex32(read32(bar + i));
 206                 print_debug_char(' ');
 207         }
 208         print_debug("\n");
 209 }
 210
 211 static inline void dump_pci_devices(void)
 212 {
 213         device_t dev;
 214         for(dev = PCI_DEV(0, 0, 0);
 215                 dev <= PCI_DEV(0, 0x1f, 0x7);
 216                 dev += PCI_DEV(0,0,1)) {
 217                 uint32_t id;
 218                 id = pci_read_config32(dev, PCI_VENDOR_ID);
 219                 if (((id & 0xffff) == 0x0000) || ((id & 0xffff) == 0xffff) ||
 220                         (((id >> 16) & 0xffff) == 0xffff) ||
 221                         (((id >> 16) & 0xffff) == 0x0000)) {
 222                         continue;
 223                 }
 224                 dump_pci_device(dev);
 225         }
 226 }
 227
 228 static inline void dump_spd_registers(void)
 229 {
 230         unsigned device;
 231         device = DIMM0;
 232         while(device <= DIMM7) {
 233                 int status = 0;
 234                 int i;
 235                 print_debug("\n");
 236                 print_debug("dimm ");
 237                 print_debug_hex8(device);
 238
 239                 for(i = 0; (i < 256) ; i++) {
 240                         if ((i % 16) == 0) {
 241                                 print_debug("\n");
 242                                 print_debug_hex8(i);
 243                                 print_debug(": ");
 244                         }
 245                         status = smbus_read_byte(device, i);
 246                         if (status < 0) {
 247                                  print_debug("bad device: ");
 248                                  print_debug_hex8(-status);
 249                                  print_debug("\n");
 250                                  break;
 251                         }
 252                         print_debug_hex8(status);
 253                         print_debug_char(' ');
 254                 }
 255                 device++;
 256                 print_debug("\n");
 257         }
 258 }
 259
 260 static inline void dump_ipmi_registers(void)
 261 {
 262         unsigned device;
 263         device = 0x42;
 264         while(device <= 0x42) {
 265                 int status = 0;
 266                 int i;
 267                 print_debug("\n");
 268                 print_debug("ipmi ");
 269                 print_debug_hex8(device);
 270
 271                 for(i = 0; (i < 8) ; i++) {
 272                         status = smbus_read_byte(device, 2);
 273                         if (status < 0) {
 274                                  print_debug("bad device: ");
 275                                  print_debug_hex8(-status);
 276                                  print_debug("\n");
 277                                  break;
 278                         }
 279                         print_debug_hex8(status);
 280                         print_debug_char(' ');
 281                 }
 282                 device++;
 283                 print_debug("\n");
 284         }
 285 }