src/lib/generic_dump_spd.c

   1 /*
   2  * This code is derived from the Opteron boards' debug.c.
   3  * It should go away either there or here, depending what fits better.
   4  */
   5
   6 static void dump_spd_registers(const struct mem_controller *ctrl)
   7 {
   8         int i;
   9         print_debug("\n");
  10         for(i = 0; i < 4; i++) {
  11                 unsigned device;
  12                 device = ctrl->channel0[i];
  13                 if (device) {
  14                         int j;
  15                         print_debug("dimm: ");
  16                         print_debug_hex8(i);
  17                         print_debug(".0: ");
  18                         print_debug_hex8(device);
  19                         for(j = 0; j < 256; j++) {
  20                                 int status;
  21                                 unsigned char byte;
  22                                 if ((j & 0xf) == 0) {
  23                                         print_debug("\n");
  24                                         print_debug_hex8(j);
  25                                         print_debug(": ");
  26                                 }
  27                                 status = spd_read_byte(device, j);
  28                                 if (status < 0) {
  29                                         print_debug("bad device\n");
  30                                         break;
  31                                 }
  32                                 byte = status & 0xff;
  33                                 print_debug_hex8(byte);
  34                                 print_debug_char(' ');
  35                         }
  36                         print_debug("\n");
  37                 }
  38                 device = ctrl->channel1[i];
  39                 if (device) {
  40                         int j;
  41                         print_debug("dimm: ");
  42                         print_debug_hex8(i);
  43                         print_debug(".1: ");
  44                         print_debug_hex8(device);
  45                         for(j = 0; j < 256; j++) {
  46                                 int status;
  47                                 unsigned char byte;
  48                                 if ((j & 0xf) == 0) {
  49                                         print_debug("\n");
  50                                         print_debug_hex8(j);
  51                                         print_debug(": ");
  52                                 }
  53                                 status = spd_read_byte(device, j);
  54                                 if (status < 0) {
  55                                         print_debug("bad device\n");
  56                                         break;
  57                                 }
  58                                 byte = status & 0xff;
  59                                 print_debug_hex8(byte);
  60                                 print_debug_char(' ');
  61                         }
  62                         print_debug("\n");
  63                 }
  64         }
  65 }
  66
  67 #if 0
  68 void dump_spd_registers(void)
  69 {
  70         unsigned device;
  71         device = SMBUS_MEM_DEVICE_START;
  72         printk(BIOS_DEBUG, "\n");
  73         while(device <= SMBUS_MEM_DEVICE_END) {
  74                 int status = 0;
  75                 int i;
  76                 printk(BIOS_DEBUG, "dimm %02x", device);
  77                 for(i = 0; (i < 256) && (status == 0); i++) {
  78                         unsigned char byte;
  79                         if ((i % 20) == 0) {
  80                                 printk(BIOS_DEBUG, "\n%3d: ", i);
  81                         }
  82                         status = smbus_read_byte(device, i, &byte);
  83                         if (status != 0) {
  84                                 printk(BIOS_DEBUG, "bad device\n");
  85                                 continue;
  86                         }
  87                         printk(BIOS_DEBUG, "%02x ", byte);
  88                 }
  89                 device += SMBUS_MEM_DEVICE_INC;
  90                 printk(BIOS_DEBUG, "\n");
  91         }
  92 }
  93 #endif