src/northbridge/intel/i440bx/debug.c

   1
   2 static void dump_spd_registers(const struct mem_controller *ctrl)
   3 {
   4         int i;
   5         print_debug("\r\n");
   6         for(i = 0; i < 4; i++) {
   7                 unsigned device;
   8                 device = ctrl->channel0[i];
   9                 if (device) {
  10                         int j;
  11                         print_debug("dimm: ");
  12                         print_debug_hex8(i);
  13                         print_debug(".0: ");
  14                         print_debug_hex8(device);
  15                         for(j = 0; j < 256; j++) {
  16                                 int status;
  17                                 unsigned char byte;
  18                                 if ((j & 0xf) == 0) {
  19                                         print_debug("\r\n");
  20                                         print_debug_hex8(j);
  21                                         print_debug(": ");
  22                                 }
  23                                 status = spd_read_byte(device, j);
  24                                 if (status < 0) {
  25                                         print_debug("bad device\r\n");
  26                                         break;
  27                                 }
  28                                 byte = status & 0xff;
  29                                 print_debug_hex8(byte);
  30                                 print_debug_char(' ');
  31                         }
  32                         print_debug("\r\n");
  33                 }
  34 #if 0  /* Enable this if you have 2 memory channels */
  35                 device = ctrl->channel1[i];
  36                 if (device) {
  37                         int j;
  38                         print_debug("dimm: ");
  39                         print_debug_hex8(i);
  40                         print_debug(".1: ");
  41                         print_debug_hex8(device);
  42                         for(j = 0; j < 256; j++) {
  43                                 int status;
  44                                 unsigned char byte;
  45                                 if ((j & 0xf) == 0) {
  46                                         print_debug("\r\n");
  47                                         print_debug_hex8(j);
  48                                         print_debug(": ");
  49                                 }
  50                                 status = spd_read_byte(device, j);
  51                                 if (status < 0) {
  52                                         print_debug("bad device\r\n");
  53                                         break;
  54                                 }
  55                                 byte = status & 0xff;
  56                                 print_debug_hex8(byte);
  57                                 print_debug_char(' ');
  58                         }
  59                         print_debug("\r\n");
  60                 }
  61 #endif
  62         }
  63 }
  64
  65 #if 0
  66 void dump_spd_registers(void)
  67 {
  68         unsigned device;
  69         device = SMBUS_MEM_DEVICE_START;
  70         printk_debug("\n");
  71         while(device <= SMBUS_MEM_DEVICE_END) {
  72                 int status = 0;
  73                 int i;
  74                 printk_debug("dimm %02x", device);
  75                 for(i = 0; (i < 256) && (status == 0); i++) {
  76                         unsigned char byte;
  77                         if ((i % 20) == 0) {
  78                                 printk_debug("\n%3d: ", i);
  79                         }
  80                         status = smbus_read_byte(device, i, &byte);
  81                         if (status != 0) {
  82                                 printk_debug("bad device\n");
  83                                 continue;
  84                         }
  85                         printk_debug("%02x ", byte);
  86                 }
  87                 device += SMBUS_MEM_DEVICE_INC;
  88                 printk_debug("\n");
  89         }
  90 }
  91 #endif