src/northbridge/intel/e7501/reset_test.c


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18

/* 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.
	 */
static 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;
}