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 #define SMBUS_MEM_DEVICE_START 0x50
  24 #define SMBUS_MEM_DEVICE_END 0x57
  25 #define SMBUS_MEM_DEVICE_INC 1
  26
  27 static void print_reg(unsigned char index)
  28 {
  29         unsigned char data;
  30
  31         outb(index, 0x2e);
  32         data = inb(0x2f);
  33         print_debug("0x");
  34         print_debug_hex8(index);
  35         print_debug(": 0x");
  36         print_debug_hex8(data);
  37         print_debug("\n");
  38         return;
  39 }
  40
  41 static inline void xbus_en(void)
  42 {
  43         /* select the XBUS function in the SIO */
  44         outb(0x07, 0x2e);
  45         outb(0x0f, 0x2f);
  46         outb(0x30, 0x2e);
  47         outb(0x01, 0x2f);
  48         return;
  49 }
  50
  51 static void setup_func(unsigned char func)
  52 {
  53         /* select the function in the SIO */
  54         outb(0x07, 0x2e);
  55         outb(func, 0x2f);
  56         /* print out the regs */
  57         print_reg(0x30);
  58         print_reg(0x60);
  59         print_reg(0x61);
  60         print_reg(0x62);
  61         print_reg(0x63);
  62         print_reg(0x70);
  63         print_reg(0x71);
  64         print_reg(0x74);
  65         print_reg(0x75);
  66         return;
  67 }
  68
  69 static inline void siodump(void)
  70 {
  71         int i;
  72         unsigned char data;
  73
  74          print_debug("\n*** SERVER I/O REGISTERS ***\n");
  75         for (i=0x10; i<=0x2d; i++) {
  76                 print_reg((unsigned char)i);
  77         }
  78 #if 0
  79         print_debug("\n*** XBUS REGISTERS ***\n");
  80         setup_func(0x0f);
  81         for (i=0xf0; i<=0xff; i++) {
  82                 print_reg((unsigned char)i);
  83         }
  84
  85         print_debug("\n***  SERIAL 1 CONFIG REGISTERS ***\n");
  86         setup_func(0x03);
  87         print_reg(0xf0);
  88
  89         print_debug("\n***  SERIAL 2 CONFIG REGISTERS ***\n");
  90         setup_func(0x02);
  91         print_reg(0xf0);
  92
  93 #endif
  94         print_debug("\n***  GPIO REGISTERS ***\n");
  95         setup_func(0x07);
  96         for (i=0xf0; i<=0xf8; i++) {
  97                 print_reg((unsigned char)i);
  98         }
  99         print_debug("\n***  GPIO VALUES ***\n");
 100         data = inb(0x68a);
 101         print_debug("\nGPDO 4: 0x");
 102         print_debug_hex8(data);
 103         data = inb(0x68b);
 104         print_debug("\nGPDI 4: 0x");
 105         print_debug_hex8(data);
 106         print_debug("\n");
 107
 108 #if 0
 109
 110         print_debug("\n***  WATCHDOG TIMER REGISTERS ***\n");
 111         setup_func(0x0a);
 112         print_reg(0xf0);
 113
 114         print_debug("\n***  FAN CONTROL REGISTERS ***\n");
 115         setup_func(0x09);
 116         print_reg(0xf0);
 117         print_reg(0xf1);
 118
 119         print_debug("\n***  RTC REGISTERS ***\n");
 120         setup_func(0x10);
 121         print_reg(0xf0);
 122         print_reg(0xf1);
 123         print_reg(0xf3);
 124         print_reg(0xf6);
 125         print_reg(0xf7);
 126         print_reg(0xfe);
 127         print_reg(0xff);
 128
 129         print_debug("\n***  HEALTH MONITORING & CONTROL REGISTERS ***\n");
 130         setup_func(0x14);
 131         print_reg(0xf0);
 132 #endif
 133         return;
 134 }
 135
 136 static void print_debug_pci_dev(unsigned dev)
 137 {
 138         print_debug("PCI: ");
 139         print_debug_hex8((dev >> 16) & 0xff);
 140         print_debug_char(':');
 141         print_debug_hex8((dev >> 11) & 0x1f);
 142         print_debug_char('.');
 143         print_debug_hex8((dev >> 8) & 7);
 144 }
 145
 146 static inline void print_pci_devices(void)
 147 {
 148         device_t dev;
 149         for(dev = PCI_DEV(0, 0, 0);
 150                 dev <= PCI_DEV(0, 0x1f, 0x7);
 151                 dev += PCI_DEV(0,0,1)) {
 152                 uint32_t id;
 153                 id = pci_read_config32(dev, PCI_VENDOR_ID);
 154                 if (((id & 0xffff) == 0x0000) || ((id & 0xffff) == 0xffff) ||
 155                         (((id >> 16) & 0xffff) == 0xffff) ||
 156                         (((id >> 16) & 0xffff) == 0x0000)) {
 157                         continue;
 158                 }
 159                 print_debug_pci_dev(dev);
 160                 print_debug("\n");
 161         }
 162 }
 163
 164 static inline void dump_pci_device(unsigned dev)
 165 {
 166         int i;
 167         print_debug_pci_dev(dev);
 168         print_debug("\n");
 169
 170         for(i = 0; i <= 255; i++) {
 171                 unsigned char val;
 172                 if ((i & 0x0f) == 0) {
 173                         print_debug_hex8(i);
 174                         print_debug_char(':');
 175                 }
 176                 val = pci_read_config8(dev, i);
 177                 print_debug_char(' ');
 178                 print_debug_hex8(val);
 179                 if ((i & 0x0f) == 0x0f) {
 180                         print_debug("\n");
 181                 }
 182         }
 183 }
 184
 185 static inline void dump_bar14(unsigned dev)
 186 {
 187         int i;
 188         unsigned long bar;
 189
 190         print_debug("BAR 14 Dump\n");
 191
 192         bar = pci_read_config32(dev, 0x14);
 193         for(i = 0; i <= 0x300; i+=4) {
 194 #if 0
 195                 unsigned char val;
 196                 if ((i & 0x0f) == 0) {
 197                         print_debug_hex8(i);
 198                         print_debug_char(':');
 199                 }
 200                 val = pci_read_config8(dev, i);
 201 #endif
 202                 if((i%4)==0) {
 203                 print_debug("\n");
 204                 print_debug_hex16(i);
 205                 print_debug_char(' ');
 206                 }
 207                 print_debug_hex32(read32(bar + i));
 208                 print_debug_char(' ');
 209         }
 210         print_debug("\n");
 211 }
 212
 213 static inline void dump_pci_devices(void)
 214 {
 215         device_t dev;
 216         for(dev = PCI_DEV(0, 0, 0);
 217                 dev <= PCI_DEV(0, 0x1f, 0x7);
 218                 dev += PCI_DEV(0,0,1)) {
 219                 uint32_t id;
 220                 id = pci_read_config32(dev, PCI_VENDOR_ID);
 221                 if (((id & 0xffff) == 0x0000) || ((id & 0xffff) == 0xffff) ||
 222                         (((id >> 16) & 0xffff) == 0xffff) ||
 223                         (((id >> 16) & 0xffff) == 0x0000)) {
 224                         continue;
 225                 }
 226                 dump_pci_device(dev);
 227         }
 228 }
 229
 230 static inline void dump_spd_registers(void)
 231 {
 232         unsigned device;
 233         device = SMBUS_MEM_DEVICE_START;
 234         while(device <= SMBUS_MEM_DEVICE_END) {
 235                 int status = 0;
 236                 int i;
 237                 print_debug("\n");
 238                 print_debug("dimm ");
 239                 print_debug_hex8(device);
 240
 241                 for(i = 0; (i < 256) ; i++) {
 242                         if ((i % 16) == 0) {
 243                                 print_debug("\n");
 244                                 print_debug_hex8(i);
 245                                 print_debug(": ");
 246                         }
 247                         status = smbus_read_byte(device, i);
 248                         if (status < 0) {
 249                                  print_debug("bad device: ");
 250                                  print_debug_hex8(-status);
 251                                  print_debug("\n");
 252                                  break;
 253                         }
 254                         print_debug_hex8(status);
 255                         print_debug_char(' ');
 256                 }
 257                 device += SMBUS_MEM_DEVICE_INC;
 258                 print_debug("\n");
 259         }
 260 }
 261
 262 static inline void dump_ipmi_registers(void)
 263 {
 264         unsigned device;
 265         device = 0x42;
 266         while(device <= 0x42) {
 267                 int status = 0;
 268                 int i;
 269                 print_debug("\n");
 270                 print_debug("ipmi ");
 271                 print_debug_hex8(device);
 272
 273                 for(i = 0; (i < 8) ; i++) {
 274                         status = smbus_read_byte(device, 2);
 275                         if (status < 0) {
 276                                  print_debug("bad device: ");
 277                                  print_debug_hex8(-status);
 278                                  print_debug("\n");
 279                                  break;
 280                         }
 281                         print_debug_hex8(status);
 282                         print_debug_char(' ');
 283                 }
 284                 device += SMBUS_MEM_DEVICE_INC;
 285                 print_debug("\n");
 286         }
 287 }