blob: de86f8024d1c47dc15b468fa1bbbb745a8d4fb75 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
|
/* Convert to C by yhlu */
#define MCH_DRC 0x7c
#define DRC_DONE (1 << 29)
/* If I have already booted once skip a bunch of initialization */
/* To see if I have already booted I check to see if memory
* has been enabled.
*/
int bios_reset_detected(void)
{
uint32_t dword;
dword = pci_read_config32(PCI_DEV(0, 0, 0), MCH_DRC);
if( (dword & DRC_DONE) != 0 ) {
return 1;
}
return 0;
}
|