LXR coreboot-v2/src/northbridge/intel/e7501/reset

   1/* Convert to C by yhlu */
   2#define MCH_DRC 0x7c
   3#define DRC_DONE (1 << 29)
   4        /* If I have already booted once skip a bunch of initialization */
   5        /* To see if I have already booted I check to see if memory
   6         * has been enabled.
   7         */
   8static int bios_reset_detected(void) {
   9        uint32_t dword;
  10        
  11        dword = pci_read_config32(PCI_DEV(0, 0, 0), MCH_DRC);
  12        
  13        if( (dword & DRC_DONE) != 0 ) {
  14                return 1;
  15        } 
  16        
  17        return 0;
  18}
  19