Function print_ambs

util/inteltool/amb.c:403–452

}

int print_ambs(struct pci_dev *dev, struct pci_access *pacc)
{
	struct pci_dev *dev16;
	int branch, channel, amb;
	int max_branch, max_channel, max_amb;
	volatile void *ambconfig;
	uint64_t ambconfig_phys;

	printf("\n============= AMBs ============\n\n");

	switch (dev->device_id) {
	case PCI_DEVICE_ID_INTEL_I5000P:
	case PCI_DEVICE_ID_INTEL_I5000X:
	case PCI_DEVICE_ID_INTEL_I5000Z:

		max_branch = 2;

		if (!(dev16 = pci_get_dev(pacc, 0, 0, 0x10, 0))) {
			perror("Error: no device 0:16.0\n");
			return 1;
		}

		ambconfig_phys = ((uint64_t)pci_read_long(dev16, 0x4c) << 32) |
			pci_read_long(dev16, 0x48);

		max_channel = pci_read_byte(dev16, 0x56)/max_branch;
		max_amb = pci_read_byte(dev16, 0x57);
		pci_free_dev(dev16);
		break;

	default:
		printf("Error: Dumping AMBs on this MCH is not (yet) supported.\n");
		return 1;
	}

	if (!(ambconfig = map_physical(ambconfig_phys, AMB_CONFIG_SPACE_SIZE))) {
		fprintf(stderr, "Error mapping AMB config space\n");
		return 1;
	}

	for(branch = 0; branch < max_branch; branch++) {
		for(channel = 0; channel < max_channel; channel++) {
			for(amb = 0; amb < max_amb; amb++) {
				dump_amb(ambconfig, branch, channel, amb);
			}
		}
	}
	unmap_physical((void *)ambconfig, AMB_CONFIG_SPACE_SIZE);
	return 0;
}