src/northbridge/intel/i440bx/debug.c

   1 #include "raminit.h"
   2
   3 void dump_spd_registers(void)
   4 {
   5 #if CONFIG_DEBUG_RAM_SETUP
   6         int i;
   7         print_debug("\n");
   8         for(i = 0; i < DIMM_SOCKETS; i++) {
   9                 unsigned device;
  10                 device = DIMM_SPD_BASE + i;
  11                 if (device) {
  12                         int j;
  13                         print_debug("dimm: ");
  14                         print_debug_hex8(i);
  15                         print_debug(".0: ");
  16                         print_debug_hex8(device);
  17                         for(j = 0; j < 256; j++) {
  18                                 int status;
  19                                 unsigned char byte;
  20                                 if ((j & 0xf) == 0) {
  21                                         print_debug("\n");
  22                                         print_debug_hex8(j);
  23                                         print_debug(": ");
  24                                 }
  25                                 status = spd_read_byte(device, j);
  26                                 if (status < 0) {
  27                                         print_debug("bad device\n");
  28                                         break;
  29                                 }
  30                                 byte = status & 0xff;
  31                                 print_debug_hex8(byte);
  32                                 print_debug_char(' ');
  33                         }
  34                         print_debug("\n");
  35                 }
  36         }
  37 #endif
  38 }
  39
  40 #if 0
  41 void dump_spd_registers(void)
  42 {
  43         unsigned device;
  44         device = SMBUS_MEM_DEVICE_START;
  45         printk(BIOS_DEBUG, "\n");
  46         while(device <= SMBUS_MEM_DEVICE_END) {
  47                 int status = 0;
  48                 int i;
  49                 printk(BIOS_DEBUG, "dimm %02x", device);
  50                 for(i = 0; (i < 256) && (status == 0); i++) {
  51                         unsigned char byte;
  52                         if ((i % 20) == 0) {
  53                                 printk(BIOS_DEBUG, "\n%3d: ", i);
  54                         }
  55                         status = smbus_read_byte(device, i, &byte);
  56                         if (status != 0) {
  57                                 printk(BIOS_DEBUG, "bad device\n");
  58                                 continue;
  59                         }
  60                         printk(BIOS_DEBUG, "%02x ", byte);
  61                 }
  62                 device += SMBUS_MEM_DEVICE_INC;
  63                 printk(BIOS_DEBUG, "\n");
  64         }
  65 }
  66 #endif