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         printk(BIOS_DEBUG, "\n");
  10         for (i = 0; i < 4; i++) {
  11                 unsigned int device;
  12                 device = ctrl->channel0[i];
  13                 if (device) {
  14                         int j;
  15                         printk(BIOS_DEBUG, "dimm: %02x.0: %02x", i, device);
  16                         for (j = 0; j < 256; j++) {
  17                                 int status;
  18                                 unsigned int char byte;
  19                                 if ((j & 0xf) == 0)
  20                                         printk(BIOS_DEBUG, "\n%02x: ", j);
  21                                 status = spd_read_byte(device, j);
  22                                 if (status < 0) {
  23                                         printk(BIOS_DEBUG, "bad device\n");
  24                                         break;
  25                                 }
  26                                 byte = status & 0xff;
  27                                 printk(BIOS_DEBUG, "%02x ", byte);
  28                         }
  29                         printk(BIOS_DEBUG, "\n");
  30                 }
  31                 device = ctrl->channel1[i];
  32                 if (device) {
  33                         int j;
  34                         printk(BIOS_DEBUG, "dimm: %02x.1: %02x", i, device);
  35                         for (j = 0; j < 256; j++) {
  36                                 int status;
  37                                 unsigned int char byte;
  38                                 if ((j & 0xf) == 0)
  39                                         printk(BIOS_DEBUG, "\n%02x: ");
  40                                 status = spd_read_byte(device, j);
  41                                 if (status < 0) {
  42                                         printk(BIOS_DEBUG, "bad device\n");
  43                                         break;
  44                                 }
  45                                 byte = status & 0xff;
  46                                 printk(BIOS_DEBUG, "%02x ", byte);
  47                         }
  48                         printk(BIOS_DEBUG, "\n");
  49                 }
  50         }
  51 }
  52
  53 #if 0
  54 void dump_spd_registers(void)
  55 {
  56         unsigned int device;
  57         device = SMBUS_MEM_DEVICE_START;
  58         printk(BIOS_DEBUG, "\n");
  59         while (device <= SMBUS_MEM_DEVICE_END) {
  60                 int status = 0;
  61                 int i;
  62                 printk(BIOS_DEBUG, "dimm %02x", device);
  63                 for (i = 0; (i < 256) && (status == 0); i++) {
  64                         unsigned int char byte;
  65                         if ((i % 20) == 0)
  66                                 printk(BIOS_DEBUG, "\n%3d: ", i);
  67                         status = smbus_read_byte(device, i, &byte);
  68                         if (status != 0) {
  69                                 printk(BIOS_DEBUG, "bad device\n");
  70                                 continue;
  71                         }
  72                         printk(BIOS_DEBUG, "%02x ", byte);
  73                 }
  74                 device += SMBUS_MEM_DEVICE_INC;
  75                 printk(BIOS_DEBUG, "\n");
  76         }
  77 }
  78 #endif