/* * This file is part of the LinuxBIOS project. * * Copyright (C) 2007 Rudolf Marek <r.marek@assembler.cz> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License v2 as published by * the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. */ /* This program will dump the IO/memory/PCI resources from the K8 * memory controller */ #include <stdio.h> #include <stdlib.h> #include <stdint.h> #include <unistd.h> #include <sys/types.h> #include <pci/pci.h> #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) static uint8_t dram_bases[] = { 0x40, 0x48, 0x50, 0x58, 0x60, 0x68, 0x70, 0x78 }; static uint8_t dram_limits[] = { 0x44, 0x4C, 0x54, 0x5C, 0x64, 0x6C, 0x74, 0x7C }; static uint8_t iomem_bases[] = { 0x80, 0x88, 0x90, 0x98, 0xA0, 0xA8, 0xB0, 0xB8 }; static uint8_t iomem_limits[] = { 0x84, 0x8C, 0x94, 0x9C, 0xA4, 0xAC, 0xB4, 0xBC }; static uint8_t pciio_bases[] = { 0xC0, 0xC8, 0xD0, 0xD8 }; static uint8_t pciio_limits[] = { 0xC4, 0xCC, 0xD4, 0xDC }; void print_info(struct pci_dev *dev) { int i; uint32_t regb, regl; for (i = 0; i < ARRAY_SIZE(dram_bases); i++) { regb = pci_read_long(dev, dram_bases[i]); regl = pci_read_long(dev, dram_limits[i]); printf ("DRAM map: #%d 0x%04x000000 - 0x%04xffffff Access: %s/%s" " IntlvEN:0x%x IntlvSEL:0x%x Dstnode:%d\n", i, regb >> 16, regl >> 16, regb & 1 ? "R" : "", regb & 2 ? "W" : "", (regb & 0x700) >> 8, (regl & 0x700) >> 8, (regl & 0x7)); } for (i = 0; i < ARRAY_SIZE(iomem_bases); i++) { regb = pci_read_long(dev, iomem_bases[i]); regl = pci_read_long(dev, iomem_limits[i]); printf ("MMIO map: #%d 0x%06x0000 - 0x%06xffff Access: %s/%s %s %s" " %s Dstnode:%d DstLink %d\n", i, regb >> 8, regl >> 8, regb & 1 ? "R" : "", regb & 2 ? "W" : "", regb & 4 ? "CPU Dis" : "", regb & 8 ? "Locked" : "", regl & 0x80 ? "NonPosted" : "", regl & 0x7, (regl & 0x30) >> 4); } for (i = 0; i < ARRAY_SIZE(pciio_bases); i++) { regb = pci_read_long(dev, pciio_bases[i]); regl = pci_read_long(dev, pciio_limits[i]); printf (" IO map: #%d 0x%03x000 - 0x%03xfff Access: %s/%s %s %s" " Dstnode:%d DstLink %d\n", i, (regb & ~0xff000000) >> 12, (regl & ~0xff000000) >> 12, regb & 1 ? "R" : "", regb & 2 ? "W" : "", regb & 0x20 ? "ISA" : "", regb & 0x10 ? "VGA" : "", regl & 0x7, (regl & 0x30) >> 4); } } int main(void) { struct pci_access *pacc; struct pci_dev *dev; if (getuid()) { fprintf(stderr, "Please run me root, need access to all" " PCI regs!\n"); exit(1); } pacc = pci_alloc(); pci_init(pacc); pci_scan_bus(pacc); for (dev = pacc->devices; dev; dev = dev->next) { pci_fill_info(dev, PCI_FILL_IDENT | PCI_FILL_BASES | PCI_FILL_CLASS); if ((dev->vendor_id == 0x1022) /* AMD */ && (dev->device_id == 0x1101)) { /* Address MAP */ print_info(dev); } } pci_cleanup(pacc); return 0; }