--- /dev/null
+/*
+ * inteltool - dump all registers on an Intel CPU + chipset based system.
+ *
+ * Copyright (C) 2008 by coresystems GmbH
+ * written by Stefan Reinauer <stepan@coresystems.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <errno.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <getopt.h>
+#include <sys/mman.h>
+#include <sys/io.h>
+#include <pci/pci.h>
+
+#define INTELTOOL_VERSION "1.0"
+
+/* Tested Chipsets: */
+#define PCI_VENDOR_ID_INTEL 0x8086
+#define PCI_DEVICE_ID_INTEL_ICH7 0x27b8
+#define PCI_DEVICE_ID_INTEL_82945GM 0x27a0
+
+#define ARRAY_SIZE(a) ((int)(sizeof(a) / sizeof((a)[0])))
+
+int fd_mem;
+int fd_msr;
+
+typedef struct { uint32_t hi, lo; } msr_t;
+typedef struct { uint16_t addr; int size; char *name; } io_register_t;
+
+int print_gpios(struct pci_dev *sb)
+{
+ int i;
+ uint16_t gpiobase;
+
+ io_register_t ich7_gpio_registers[] = {
+ { 0x00, 4, "GPIO_USE_SEL" },
+ { 0x04, 4, "GP_IO_SEL" },
+ { 0x08, 4, "RESERVED" },
+ { 0x0c, 4, "GP_LVL" },
+ { 0x10, 4, "RESERVED" },
+ { 0x14, 4, "RESERVED" },
+ { 0x18, 4, "GPO_BLINK" },
+ { 0x1c, 4, "RESERVED" },
+ { 0x20, 4, "RESERVED" },
+ { 0x24, 4, "RESERVED" },
+ { 0x28, 4, "RESERVED" },
+ { 0x2c, 4, "GPI_INV" },
+ { 0x30, 4, "GPIO_USE_SEL2" },
+ { 0x34, 4, "GP_IO_SEL2" },
+ { 0x38, 4, "GP_LVL2" },
+ { 0x3C, 4, "RESERVED" }
+ };
+
+ printf("\n============= GPIOS =============\n\n");
+
+ switch (sb->device_id) {
+ case PCI_DEVICE_ID_INTEL_ICH7:
+ gpiobase = pci_read_word(sb, 0x48) & 0xfffc;
+ break;
+ case 0x1234: // Dummy for non-existent functionality
+ printf("Error: This southbridge does not have GPIOBASE.\n");
+ return 1;
+ default:
+ printf("Error: Dumping GPIOs on this southbridge is not (yet) supported.\n");
+ return 1;
+ }
+
+ printf("GPIOBASE = 0x%04x (IO)\n\n", gpiobase);
+
+ for (i=0; i<ARRAY_SIZE(ich7_gpio_registers); i++) {
+ switch (ich7_gpio_registers[i].size) {
+ case 4:
+ printf("gpiobase+0x%04x: 0x%08x (%s)\n",
+ ich7_gpio_registers[i].addr,
+ inl(gpiobase+ich7_gpio_registers[i].addr),
+ ich7_gpio_registers[i].name);
+ break;
+ case 2:
+ printf("gpiobase+0x%04x: 0x%04x (%s)\n",
+ ich7_gpio_registers[i].addr,
+ inw(gpiobase+ich7_gpio_registers[i].addr),
+ ich7_gpio_registers[i].name);
+ break;
+ case 1:
+ printf("gpiobase+0x%04x: 0x%02x (%s)\n",
+ ich7_gpio_registers[i].addr,
+ inb(gpiobase+ich7_gpio_registers[i].addr),
+ ich7_gpio_registers[i].name);
+ break;
+ }
+ }
+
+ return 0;
+}
+
+int print_rcba(struct pci_dev *sb)
+{
+ int i, size=0x4000;
+ volatile uint8_t *rcba;
+ uint32_t rcba_phys;
+
+ printf("\n============= RCBA ==============\n\n");
+
+ switch (sb->device_id) {
+ case PCI_DEVICE_ID_INTEL_ICH7:
+ rcba_phys = pci_read_long(sb, 0xf0) & 0xfffffffe;
+ break;
+ case 0x1234: // Dummy for non-existent functionality
+ printf("Error: This southbridge does not have RCBA.\n");
+ return 1;
+ default:
+ printf("Error: Dumping RCBA on this southbridge is not (yet) supported.\n");
+ return 1;
+ }
+
+ rcba = mmap(0, size, PROT_WRITE | PROT_READ, MAP_SHARED,
+ fd_mem, (off_t) rcba_phys);
+
+ if (rcba == MAP_FAILED) {
+ perror("Error mapping RCBA");
+ exit(1);
+ }
+
+ printf("RCBA = 0x%08x (MEM)\n\n", rcba_phys);
+
+ for (i=0; i<size; i+=4) {
+ if(*(uint32_t *)(rcba+i))
+ printf("0x%04x: 0x%08x\n", i, *(uint32_t *)(rcba+i));
+ }
+
+ munmap((void *) rcba, size);
+ return 0;
+}
+
+int print_pmbase(struct pci_dev *sb)
+{
+ int i, size=0x80;
+ uint16_t pmbase;
+
+ printf("\n============= PMBASE ============\n\n");
+
+ switch (sb->device_id) {
+ case PCI_DEVICE_ID_INTEL_ICH7:
+ pmbase = pci_read_word(sb, 0x40) & 0xfffc;
+ break;
+ case 0x1234: // Dummy for non-existent functionality
+ printf("Error: This southbridge does not have PMBASE.\n");
+ return 1;
+ default:
+ printf("Error: Dumping PMBASE on this southbridge is not (yet) supported.\n");
+ return 1;
+ }
+
+ printf("PMBASE = 0x%04x (IO)\n\n", pmbase);
+
+ for (i=0; i<size; i+=4) {
+ printf("pmbase+0x%04x: 0x%08x\n", i, inl(pmbase+i));
+ }
+
+ return 0;
+}
+
+/*
+ * (G)MCH MMIO Config Space
+ */
+
+int print_mchbar(struct pci_dev *nb)
+{
+ int i, size=(16*1024);
+ volatile uint8_t *mchbar;
+ uint32_t mchbar_phys;
+
+ printf("\n============= MCHBAR ============\n\n");
+
+ switch (nb->device_id) {
+ case PCI_DEVICE_ID_INTEL_82945GM:
+ mchbar_phys = pci_read_long(nb, 0x44) & 0xfffffffe;
+ break;
+ case 0x1234: // Dummy for non-existent functionality
+ printf("Error: This northbrigde does not have MCHBAR.\n");
+ return 1;
+ default:
+ printf("Error: Dumping MCHBAR on this northbridge is not (yet) supported.\n");
+ return 1;
+ }
+
+ mchbar = mmap(0, size, PROT_WRITE | PROT_READ, MAP_SHARED,
+ fd_mem, (off_t) mchbar_phys );
+
+ if (mchbar == MAP_FAILED) {
+ perror("Error mapping MCHBAR");
+ exit(1);
+ }
+
+ printf("MCHBAR = 0x%08x (MEM)\n\n", mchbar_phys);
+
+ for (i=0; i<size; i+=4) {
+ if(*(uint32_t *)(mchbar+i))
+ printf("0x%04x: 0x%08x\n", i, *(uint32_t *)(mchbar+i));
+ }
+
+ munmap((void *) mchbar, size);
+ return 0;
+}
+
+/*
+ * Egress Port Root Complex MMIO configuration space
+ */
+int print_epbar(struct pci_dev *nb)
+{
+ int i, size=4096;
+ volatile uint8_t *epbar;
+ uint32_t epbar_phys;
+
+ printf("\n============= EPBAR =============\n\n");
+
+ switch (nb->device_id) {
+ case PCI_DEVICE_ID_INTEL_82945GM:
+ epbar_phys = pci_read_long(nb, 0x40) & 0xfffffffe;
+ break;
+ case 0x1234: // Dummy for non-existent functionality
+ printf("Error: This northbrigde does not have EPBAR.\n");
+ return 1;
+ default:
+ printf("Error: Dumping EPBAR on this northbridge is not (yet) supported.\n");
+ return 1;
+ }
+
+ epbar = mmap(0, size, PROT_WRITE | PROT_READ, MAP_SHARED,
+ fd_mem, (off_t) epbar_phys );
+
+ if (epbar == MAP_FAILED) {
+ perror("Error mapping EPBAR");
+ exit(1);
+ }
+
+ printf("EPBAR = 0x%08x (MEM)\n\n", epbar_phys);
+ for (i=0; i<size; i+=4) {
+ if(*(uint32_t *)(epbar+i))
+ printf("0x%04x: 0x%08x\n", i, *(uint32_t *)(epbar+i));
+ }
+
+ munmap((void *) epbar, size);
+ return 0;
+}
+
+
+/*
+ * MCH-ICH Serial Interconnect Ingress Root Complex MMIO configuration space
+ */
+int print_dmibar(struct pci_dev *nb)
+{
+ int i, size=4096;
+ volatile uint8_t *dmibar;
+ uint32_t dmibar_phys;
+
+ printf("\n============= DMIBAR ============\n\n");
+
+ switch (nb->device_id) {
+ case PCI_DEVICE_ID_INTEL_82945GM:
+ dmibar_phys = pci_read_long(nb, 0x4c) & 0xfffffffe;
+ break;
+ case 0x1234: // Dummy for non-existent functionality
+ printf("Error: This northbrigde does not have DMIBAR.\n");
+ return 1;
+ default:
+ printf("Error: Dumping DMIBAR on this northbridge is not (yet) supported.\n");
+ return 1;
+ }
+
+ dmibar = mmap(0, size, PROT_WRITE | PROT_READ, MAP_SHARED,
+ fd_mem, (off_t) dmibar_phys );
+
+ if (dmibar == MAP_FAILED) {
+ perror("Error mapping DMIBAR");
+ exit(1);
+ }
+
+ printf("DMIBAR = 0x%08x (MEM)\n\n", dmibar_phys);
+ for (i=0; i<size; i+=4) {
+ if(*(uint32_t *)(dmibar+i))
+ printf("0x%04x: 0x%08x\n", i, *(uint32_t *)(dmibar+i));
+ }
+
+ munmap((void *) dmibar, size);
+ return 0;
+}
+
+/*
+ * PCIe MMIO configuration space
+ */
+int print_pciexbar(struct pci_dev *nb)
+{
+ uint32_t pciexbar_reg;
+ uint32_t pciexbar_phys;
+ volatile uint8_t *pciexbar;
+ int max_busses, devbase, i;
+ int bus, dev, fn;
+
+ printf("========= PCIEXBAR ========\n\n");
+
+ switch (nb->device_id) {
+ case PCI_DEVICE_ID_INTEL_82945GM:
+ pciexbar_reg = pci_read_long(nb, 0x48);
+ break;
+ case 0x1234: // Dummy for non-existent functionality
+ printf("Error: This northbrigde does not have PCIEXBAR.\n");
+ return 1;
+ default:
+ printf("Error: Dumping PCIEXBAR on this northbridge is not (yet) supported.\n");
+ return 1;
+ }
+
+ if( !(pciexbar_reg & (1 << 0))) {
+ printf("PCIEXBAR register is disabled.\n");
+ return 0;
+ }
+
+ switch ((pciexbar_reg >> 1) & 3) {
+ case 0: // 256MB
+ pciexbar_phys = pciexbar_reg & ((1 << 31)|(1 << 30)|(1 << 29)|(1 << 28));
+ max_busses = 256;
+ break;
+ case 1: // 128M
+ pciexbar_phys = pciexbar_reg & ((1 << 31)|(1 << 30)|(1 << 29)|(1 << 28)|(1 << 27));
+ max_busses = 128;
+ break;
+ case 2: // 64M
+ pciexbar_phys = pciexbar_reg & ((1 << 31)|(1 << 30)|(1 << 29)|(1 << 28)|(1 << 27)|(1 << 26));
+ max_busses = 64;
+ break;
+ default: // RSVD
+ printf("Undefined Address base. Bailing out\n");
+ return 1;
+ }
+
+ printf("PCIEXBAR: 0x%08x\n", pciexbar_phys);
+
+ pciexbar = mmap(0, (max_busses * 1024 * 1024), PROT_WRITE | PROT_READ, MAP_SHARED,
+ fd_mem, (off_t) pciexbar_phys );
+
+ if (pciexbar == MAP_FAILED) {
+ perror("Error mapping PCIEXBAR");
+ exit(1);
+ }
+
+ for (bus = 0; bus < max_busses; bus++) {
+ for (dev = 0; dev < 32; dev++) {
+ for (fn = 0; fn < 8; fn++) {
+ devbase = (bus * 1024 * 1024) + (dev * 32 * 1024) + (fn * 4 * 1024);
+
+ if (*(uint16_t *)(pciexbar + devbase) == 0xffff)
+ continue;
+
+ /* This is a heuristics. Anyone got a better check? */
+ if( (*(uint32_t *)(pciexbar + devbase + 256) == 0xffffffff) &&
+ (*(uint32_t *)(pciexbar + devbase + 512) == 0xffffffff) ) {
+#if DEBUG
+ printf("Skipped non-PCIe device %02x:%02x.%01x\n", bus, dev, fn);
+#endif
+ continue;
+ }
+
+ printf("\nPCIe %02x:%02x.%01x extended config space:", bus, dev, fn);
+ for (i=0; i<4096; i++) {
+ if((i % 0x10) == 0)
+ printf("\n%04x:", i);
+ printf(" %02x", *(pciexbar+devbase+i));
+ }
+ printf("\n");
+ }
+ }
+ }
+
+ munmap((void *) pciexbar, (max_busses * 1024 * 1024));
+
+ return 0;
+}
+
+int msr_readerror = 0;
+
+msr_t rdmsr(int addr)
+{
+ unsigned char buf[8];
+ msr_t msr = { 0xffffffff, 0xffffffff };
+
+ if (lseek(fd_msr, (off_t) addr, SEEK_SET) == -1) {
+ perror("Could not lseek() to MSR");
+ close(fd_msr);
+ exit(1);
+ }
+
+ if (read(fd_msr, buf, 8) == 8) {
+ msr.lo = *(uint32_t *)buf;
+ msr.hi = *(uint32_t *)(buf+4);
+
+ return msr;
+ }
+
+ if (errno == 5) {
+ printf(" (*)"); // Not all bits of the MSR could be read
+ msr_readerror = 1;
+ } else {
+ // A severe error.
+ perror("Could not read() MSR");
+ close(fd_msr);
+ exit(1);
+ }
+
+ return msr;
+}
+
+int print_intel_core_msrs(void)
+{
+ unsigned int i, core;
+ msr_t msr;
+
+
+#define IA32_PLATFORM_ID 0x0017
+#define EBL_CR_POWERON 0x002a
+#define FSB_CLK_STS 0x00cd
+#define IA32_TIME_STAMP_COUNTER 0x0010
+#define IA32_APIC_BASE 0x001b
+
+ typedef struct {
+ int number;
+ char *name;
+ } msr_entry_t;
+
+ msr_entry_t global_msrs[] = {
+ { 0x0017, "IA32_PLATFORM_ID" },
+ { 0x002a, "EBL_CR_POWERON" },
+ { 0x00cd, "FSB_CLOCK_STS" },
+ { 0x00ce, "FSB_CLOCK_VCC" },
+ { 0x00e2, "CLOCK_CST_CONFIG_CONTROL" },
+ { 0x00e3, "PMG_IO_BASE_ADDR" },
+ { 0x00e4, "PMG_IO_CAPTURE_ADDR" },
+ { 0x00ee, "EXT_CONFIG" },
+ { 0x011e, "BBL_CR_CTL3" },
+ { 0x0194, "CLOCK_FLEX_MAX" },
+ { 0x0198, "IA32_PERF_STATUS" },
+ { 0x01a0, "IA32_MISC_ENABLES" },
+ { 0x01aa, "PIC_SENS_CFG" },
+ { 0x0400, "IA32_MC0_CTL" },
+ { 0x0401, "IA32_MC0_STATUS" },
+ { 0x0402, "IA32_MC0_ADDR" },
+ //{ 0x0403, "IA32_MC0_MISC" }, // Seems to be RO
+ { 0x040c, "IA32_MC4_CTL" },
+ { 0x040d, "IA32_MC4_STATUS" },
+ { 0x040e, "IA32_MC4_ADDR" },
+ //{ 0x040f, "IA32_MC4_MISC" } // Seems to be RO
+ };
+
+ msr_entry_t per_core_msrs[] = {
+ { 0x0010, "IA32_TIME_STAMP_COUNTER" },
+ { 0x001b, "IA32_APIC_BASE" },
+ { 0x003a, "IA32_FEATURE_CONTROL" },
+ { 0x003f, "IA32_TEMPERATURE_OFFSET" },
+ //{ 0x0079, "IA32_BIOS_UPDT_TRIG" }, // Seems to be RO
+ { 0x008b, "IA32_BIOS_SIGN_ID" },
+ { 0x00e7, "IA32_MPERF" },
+ { 0x00e8, "IA32_APERF" },
+ { 0x00fe, "IA32_MTRRCAP" },
+ { 0x015f, "DTS_CAL_CTRL" },
+ { 0x0179, "IA32_MCG_CAP" },
+ { 0x017a, "IA32_MCG_STATUS" },
+ { 0x0199, "IA32_PERF_CONTROL" },
+ { 0x019a, "IA32_CLOCK_MODULATION" },
+ { 0x019b, "IA32_THERM_INTERRUPT" },
+ { 0x019c, "IA32_THERM_STATUS" },
+ { 0x019d, "GV_THERM" },
+ { 0x01d9, "IA32_DEBUGCTL" },
+ { 0x0200, "IA32_MTRR_PHYSBASE0" },
+ { 0x0201, "IA32_MTRR_PHYSMASK0" },
+ { 0x0202, "IA32_MTRR_PHYSBASE1" },
+ { 0x0203, "IA32_MTRR_PHYSMASK1" },
+ { 0x0204, "IA32_MTRR_PHYSBASE2" },
+ { 0x0205, "IA32_MTRR_PHYSMASK2" },
+ { 0x0206, "IA32_MTRR_PHYSBASE3" },
+ { 0x0207, "IA32_MTRR_PHYSMASK3" },
+ { 0x0208, "IA32_MTRR_PHYSBASE4" },
+ { 0x0209, "IA32_MTRR_PHYSMASK4" },
+ { 0x020a, "IA32_MTRR_PHYSBASE5" },
+ { 0x020b, "IA32_MTRR_PHYSMASK5" },
+ { 0x020c, "IA32_MTRR_PHYSBASE6" },
+ { 0x020d, "IA32_MTRR_PHYSMASK6" },
+ { 0x020e, "IA32_MTRR_PHYSBASE7" },
+ { 0x020f, "IA32_MTRR_PHYSMASK7" },
+ { 0x0250, "IA32_MTRR_FIX64K_00000" },
+ { 0x0258, "IA32_MTRR_FIX16K_80000" },
+ { 0x0259, "IA32_MTRR_FIX16K_A0000" },
+ { 0x0268, "IA32_MTRR_FIX4K_C0000" },
+ { 0x0269, "IA32_MTRR_FIX4K_C8000" },
+ { 0x026a, "IA32_MTRR_FIX4K_D0000" },
+ { 0x026b, "IA32_MTRR_FIX4K_D8000" },
+ { 0x026c, "IA32_MTRR_FIX4K_E0000" },
+ { 0x026d, "IA32_MTRR_FIX4K_E8000" },
+ { 0x026e, "IA32_MTRR_FIX4K_F0000" },
+ { 0x026f, "IA32_MTRR_FIX4K_F8000" },
+ { 0x02ff, "IA32_MTRR_DEF_TYPE" },
+ //{ 0x00c000080, "IA32_CR_EFER" }, // Seems to be RO
+ };
+
+ fd_msr = open("/dev/cpu/0/msr", O_RDWR);
+ if (fd_msr<0) {
+ perror("Error while opening /dev/cpu/0/msr");
+ printf("Did you run 'modprobe msr'?\n");
+ return -1;
+ }
+
+ printf("\n===================== SHARED MSRs (All Cores) =====================\n");
+
+ for (i = 0; i < ARRAY_SIZE(global_msrs); i++) {
+ msr = rdmsr(global_msrs[i].number);
+ printf(" MSR 0x%08X = 0x%08X:0x%08X (%s)\n",
+ global_msrs[i].number, msr.hi, msr.lo, global_msrs[i].name);
+ }
+
+
+ close(fd_msr);
+
+ for (core=0; core < 8; core++) {
+ char msrfilename[64];
+ memset(msrfilename, 0, 64);
+ sprintf(msrfilename, "/dev/cpu/%d/msr", core);
+
+ fd_msr = open(msrfilename, O_RDWR);
+ if (fd_msr<0) {
+ /* If the file is not there, we're probably through.
+ * No error, since we successfully opened /dev/cpu/0/msr before
+ */
+ break;
+ }
+
+ printf("\n====================== UNIQUE MSRs (core %d) ======================\n", core);
+
+ for (i = 0; i < ARRAY_SIZE(per_core_msrs); i++) {
+ msr = rdmsr(per_core_msrs[i].number);
+ printf(" MSR 0x%08X = 0x%08X:0x%08X (%s)\n",
+ per_core_msrs[i].number, msr.hi, msr.lo, per_core_msrs[i].name);
+ }
+
+ close(fd_msr);
+ }
+
+ if (msr_readerror)
+ printf("\n(*) Some MSRs could not be read. The marked values are unreliable.\n");
+
+ return 0;
+}
+
+void print_version(void)
+{
+ printf("inteltool v%s -- ", INTELTOOL_VERSION);
+ printf("Copyright (C) 2008 coresystems GmbH\n\n");
+ printf(
+ "This program is free software: you can redistribute it and/or modify\n"
+ "it under the terms of the GNU General Public License as published by\n"
+ "the Free Software Foundation, version 2 of the License.\n\n"
+ "This program is distributed in the hope that it will be useful,\n"
+ "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
+ "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
+ "GNU General Public License for more details.\n\n"
+ "You should have received a copy of the GNU General Public License\n"
+ "along with this program. If not, see <http://www.gnu.org/licenses/>.\n\n");
+}
+
+void print_usage(const char *name)
+{
+ printf("usage: %s [-vh?grpmedPM]\n", name);
+ printf("\n"
+ " -v | --version: print the version\n"
+ " -h | --help: print this help\n\n"
+ " -g | --gpio: dump soutbridge GPIO registers\n"
+ " -r | --rcba: dump soutbridge RCBA registers\n"
+ " -p | --pmbase: dump soutbridge Power Management registers\n\n"
+ " -m | --mchbar: dump northbridge Memory Controller registers\n"
+ " -e | --epbar: dump northbridge EPBAR registers\n"
+ " -d | --dmibar: dump northbridge DMIBAR registers\n"
+ " -P | --pciexpress: dump northbridge PCIEXBAR registers\n\n"
+ " -M | --msrs: dump CPU MSRs\n"
+ "\n");
+ exit(1);
+}
+
+int main(int argc, char *argv[])
+{
+ struct pci_access *pacc;
+ struct pci_dev *sb, *nb;
+ int opt;
+ int option_index = 0;
+ int i;
+
+ char *sbname="unknown", *nbname="unknown";
+
+ int dump_gpios=0, dump_mchbar=0, dump_rcba=0;
+ int dump_pmbase=0, dump_epbar=0, dump_dmibar=0;
+ int dump_pciexbar=0, dump_coremsrs=0;
+
+ static struct option long_options[] = {
+ {"version", 0, 0, 'v'},
+ {"help", 0, 0, 'h'},
+ {"gpios", 0, 0, 'g'},
+ {"mchbar", 0, 0, 'm'},
+ {"rcba", 0, 0, 'r'},
+ {"pmbase", 0, 0, 'p'},
+ {"epbar", 0, 0, 'e'},
+ {"dmibar", 0, 0, 'd'},
+ {"pciexpress", 0, 0, 'P'},
+ {"msrs", 0, 0, 'M'},
+ {"all", 0, 0, 'a'},
+ {0, 0, 0, 0}
+ };
+
+ struct {
+ uint16_t vendor_id, device_id;
+ char * name;
+ } supported_chips_list[] = {
+ { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82945GM, "i945" },
+ { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH7, "ICH7" }
+ };
+
+ while ((opt = getopt_long(argc, argv, "vh?gmrpedPca",
+ long_options, &option_index)) != EOF) {
+ switch (opt) {
+ case 'v':
+ print_version();
+ exit(0);
+ break;
+ case 'g':
+ dump_gpios = 1;
+ break;
+ case 'm':
+ dump_mchbar = 1;
+ break;
+ case 'r':
+ dump_rcba = 1;
+ break;
+ case 'p':
+ dump_pmbase = 1;
+ break;
+ case 'e':
+ dump_epbar = 1;
+ break;
+ case 'd':
+ dump_dmibar = 1;
+ break;
+ case 'P':
+ dump_pciexbar = 1;
+ break;
+ case 'M':
+ dump_coremsrs = 1;
+ break;
+ case 'a':
+ dump_gpios = 1;
+ dump_mchbar = 1;
+ dump_rcba = 1;
+ dump_pmbase = 1;
+ dump_epbar = 1;
+ dump_dmibar = 1;
+ dump_pciexbar = 1;
+ dump_coremsrs = 1;
+ break;
+ case 'h':
+ case '?':
+ default:
+ print_usage(argv[0]);
+ exit(0);
+ break;
+ }
+ }
+
+ if (iopl(3)) { printf("You need to be root.\n"); exit(1); }
+
+ if ((fd_mem = open("/dev/mem", O_RDWR)) < 0) {
+ perror("Can not open /dev/mem");
+ exit(1);
+ }
+
+ pacc = pci_alloc();
+ pci_init(pacc);
+ pci_scan_bus(pacc);
+
+
+ /* Find the required devices */
+
+ sb = pci_get_dev(pacc, 0, 0, 0x1f, 0);
+ if (!sb) {
+ printf("No southbridge found.\n");
+ exit(1);
+ }
+
+ pci_fill_info(sb, PCI_FILL_IDENT|PCI_FILL_BASES|PCI_FILL_SIZES|PCI_FILL_CLASS);
+
+ if (sb->vendor_id != PCI_VENDOR_ID_INTEL) {
+ printf("Not an Intel(R) southbridge.\n");
+ exit(1);
+ }
+
+ nb = pci_get_dev(pacc, 0, 0, 0x00, 0);
+ if (!nb) {
+ printf("No northbridge found.\n");
+ exit(1);
+ }
+
+ pci_fill_info(nb, PCI_FILL_IDENT|PCI_FILL_BASES|PCI_FILL_SIZES|PCI_FILL_CLASS);
+
+ if (nb->vendor_id != PCI_VENDOR_ID_INTEL) {
+ printf("Not an Intel(R) northbridge.\n");
+ exit(1);
+ }
+
+ /* TODO check cpuid, too */
+
+ /* Determine names */
+ for (i=0; i<ARRAY_SIZE(supported_chips_list); i++)
+ if (nb->device_id == supported_chips_list[i].device_id)
+ nbname = supported_chips_list[i].name;
+ for (i=0; i<ARRAY_SIZE(supported_chips_list); i++)
+ if (sb->device_id == supported_chips_list[i].device_id)
+ sbname = supported_chips_list[i].name;
+
+ printf("Intel Northbridge: %04x:%04x (%s)\n",
+ nb->vendor_id, nb->device_id, nbname);
+
+ printf("Intel Southbridge: %04x:%04x (%s)\n",
+ sb->vendor_id, sb->device_id, sbname);
+
+ /* Now do the deed */
+
+ if (dump_gpios) {
+ print_gpios(sb);
+ printf("\n\n");
+ }
+
+ if (dump_rcba) {
+ print_rcba(sb);
+ printf("\n\n");
+ }
+
+ if (dump_pmbase) {
+ print_pmbase(sb);
+ printf("\n\n");
+ }
+
+ if (dump_mchbar) {
+ print_mchbar(nb);
+ printf("\n\n");
+ }
+
+ if (dump_epbar) {
+ print_epbar(nb);
+ printf("\n\n");
+ }
+
+ if (dump_dmibar) {
+ print_dmibar(nb);
+ printf("\n\n");
+ }
+
+ if (dump_pciexbar) {
+ print_pciexbar(nb);
+ printf("\n\n");
+ }
+
+ if (dump_coremsrs) {
+ print_intel_core_msrs();
+ printf("\n\n");
+ }
+
+
+ /* Clean up */
+
+ pci_free_dev(nb);
+ pci_free_dev(sb);
+ pci_cleanup(pacc);
+
+ return 0;
+}
projects / coreboot.git / commitdiff