Vladimir Serbinenko (phcoder@gmail.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/10276
-gerrit
commit 82d1acde6223d9e40cf87dc24ad5a55cb33101f4 Author: Vladimir Serbinenko phcoder@gmail.com Date: Wed May 20 14:04:41 2015 +0200
inteltool: dump gfx registers.
Useful for autoport and other gfx-related developpement.
Change-Id: I1fc0952bc30ab15cd39a4f0c00649714dcf318f3 Signed-off-by: Vladimir Serbinenko phcoder@gmail.com --- util/inteltool/Makefile | 2 +- util/inteltool/gfx.c | 52 ++++++++++++++++++++++++++++++++++++++++++++++ util/inteltool/inteltool.c | 38 +++++++++++++++++++++++++++++---- util/inteltool/inteltool.h | 1 + 4 files changed, 88 insertions(+), 5 deletions(-)
diff --git a/util/inteltool/Makefile b/util/inteltool/Makefile index f846672..ef41423 100644 --- a/util/inteltool/Makefile +++ b/util/inteltool/Makefile @@ -27,7 +27,7 @@ PREFIX ?= /usr/local CFLAGS ?= -O2 -g -Wall -W LDFLAGS += -lpci -lz
-OBJS = inteltool.o cpu.o gpio.o rootcmplx.o powermgt.o memory.o pcie.o amb.o ivy_memory.o spi.o +OBJS = inteltool.o cpu.o gpio.o rootcmplx.o powermgt.o memory.o pcie.o amb.o ivy_memory.o spi.o gfx.o
OS_ARCH = $(shell uname) ifeq ($(OS_ARCH), Darwin) diff --git a/util/inteltool/gfx.c b/util/inteltool/gfx.c new file mode 100644 index 0000000..0453dbb --- /dev/null +++ b/util/inteltool/gfx.c @@ -0,0 +1,52 @@ +/* + * inteltool - dump all registers on an Intel CPU + chipset based system. + * + * Copyright (C) 2008-2010 by coresystems GmbH + * Copyright (C) 2012 Anton Kochkov + * + * 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 <stdio.h> +#include <stdlib.h> +#include <inttypes.h> +#include "inteltool.h" + +#define MMIO_SIZE 0x100000 + +int print_gfx(struct pci_dev *gfx) +{ + u64 mmio_phys; + u8 *mmio; + u32 i; + if (!gfx) { + printf ("No GFX found\n"); + return 0; + } + printf("\n============= GFX ==============\n\n"); + mmio_phys = gfx->base_addr[0] & ~0x7ULL; + printf("GFX MMIO = 0x%08llx (MEM)\n\n", (unsigned long long)mmio_phys); + mmio = map_physical(mmio_phys, MMIO_SIZE); + if (mmio == NULL) { + perror("Error mapping MMIO"); + exit(1); + } + for (i = 0; i < MMIO_SIZE; i += 4) { + if (*(uint32_t *)(mmio + i)) + printf("0x%06x: 0x%08x\n", i, *(uint32_t *)(mmio + i)); + } + unmap_physical((void *)mmio, MMIO_SIZE); + return 0; + +} diff --git a/util/inteltool/inteltool.c b/util/inteltool/inteltool.c index a3712c5..bbf4f04 100644 --- a/util/inteltool/inteltool.c +++ b/util/inteltool/inteltool.c @@ -217,6 +217,7 @@ void print_usage(const char *name) " -v | --version: print the version\n" " -h | --help: print this help\n\n" " -s | --spi: dump southbridge spi and bios_cntrl registers\n" + " -f | --gfx: dump graphics registers\n" " -g | --gpio: dump southbridge GPIO registers\n" " -G | --gpio-diffs: show GPIO differences from defaults\n" " -r | --rcba: dump southbridge RCBA registers\n" @@ -235,16 +236,16 @@ void print_usage(const char *name) int main(int argc, char *argv[]) { struct pci_access *pacc; - struct pci_dev *sb = NULL, *nb, *dev; + struct pci_dev *sb = NULL, *nb, *gfx = NULL, *dev; int i, opt, option_index = 0; unsigned int id;
- char *sbname = "unknown", *nbname = "unknown"; + char *sbname = "unknown", *nbname = "unknown", *gfxname = "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, dump_ambs = 0; - int dump_spi = 0; + int dump_spi = 0, dump_gfx = 0; int show_gpio_diffs = 0;
static struct option long_options[] = { @@ -262,10 +263,11 @@ int main(int argc, char *argv[]) {"ambs", 0, 0, 'A'}, {"spi", 0, 0, 's'}, {"all", 0, 0, 'a'}, + {"gfx", 0, 0, 'f'}, {0, 0, 0, 0} };
- while ((opt = getopt_long(argc, argv, "vh?gGrpmedPMaAs", + while ((opt = getopt_long(argc, argv, "vh?gGrpmedPMaAsf", long_options, &option_index)) != EOF) { switch (opt) { case 'v': @@ -275,6 +277,9 @@ int main(int argc, char *argv[]) case 'g': dump_gpios = 1; break; + case 'f': + dump_gfx = 1; + break; case 'G': show_gpio_diffs = 1; break; @@ -311,6 +316,7 @@ int main(int argc, char *argv[]) dump_coremsrs = 1; dump_ambs = 1; dump_spi = 1; + dump_gfx = 1; break; case 'A': dump_ambs = 1; @@ -390,6 +396,15 @@ int main(int argc, char *argv[]) exit(1); }
+ gfx = pci_get_dev(pacc, 0, 0, 0x02, 0); + + if (gfx) { + pci_fill_info(gfx, PCI_FILL_IDENT|PCI_FILL_BASES|PCI_FILL_SIZES|PCI_FILL_CLASS); + + if (gfx->vendor_id != PCI_VENDOR_ID_INTEL) + gfx = 0; + } + id = cpuid(1);
/* Intel has suggested applications to display the family of a CPU as @@ -409,6 +424,11 @@ int main(int argc, char *argv[]) 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; + if (gfx) { + for (i = 0; i < ARRAY_SIZE(supported_chips_list); i++) + if (gfx->device_id == supported_chips_list[i].device_id) + gfxname = supported_chips_list[i].name; + }
printf("Northbridge: %04x:%04x (%s)\n", nb->vendor_id, nb->device_id, nbname); @@ -416,6 +436,11 @@ int main(int argc, char *argv[]) printf("Southbridge: %04x:%04x (%s)\n", sb->vendor_id, sb->device_id, sbname);
+ if (gfx) { + printf("IGD: %04x:%04x (%s)\n", + gfx->vendor_id, gfx->device_id, gfxname); + } + /* Now do the deed */
if (dump_gpios) { @@ -468,6 +493,11 @@ int main(int argc, char *argv[]) if (dump_spi) { print_spi(sb); } + + if (dump_gfx) { + print_gfx(gfx); + } + /* Clean up */ pci_free_dev(nb); // pci_free_dev(sb); // TODO: glibc detected "double free or corruption" diff --git a/util/inteltool/inteltool.h b/util/inteltool/inteltool.h index 6c1977e..92cb679 100644 --- a/util/inteltool/inteltool.h +++ b/util/inteltool/inteltool.h @@ -207,4 +207,5 @@ int print_dmibar(struct pci_dev *nb); int print_pciexbar(struct pci_dev *nb); int print_ambs(struct pci_dev *nb, struct pci_access *pacc); int print_spi(struct pci_dev *sb); +int print_gfx(struct pci_dev *gfx); void ivybridge_dump_timings(void);