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author | Vladimir Serbinenko <phcoder@gmail.com> | 2015-05-20 14:04:41 +0200 |
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committer | Vladimir Serbinenko <phcoder@gmail.com> | 2015-05-25 18:51:59 +0200 |
commit | 188aec06401e802cddf209b564a5ad06e3945e9e (patch) | |
tree | cbdf979aa6647e83c841d80932c72143f45be95b /util/inteltool/gfx.c | |
parent | 5a6b8d157bc88e243cde54d347c715243a6f1c1e (diff) | |
download | coreboot-188aec06401e802cddf209b564a5ad06e3945e9e.tar.xz |
inteltool: dump gfx registers.
Useful for autoport and other gfx-related developpement.
Change-Id: I1fc0952bc30ab15cd39a4f0c00649714dcf318f3
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/10276
Tested-by: build bot (Jenkins)
Reviewed-by: Philipp Deppenwiese <zaolin@das-labor.org>
Diffstat (limited to 'util/inteltool/gfx.c')
-rw-r--r-- | util/inteltool/gfx.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/util/inteltool/gfx.c b/util/inteltool/gfx.c new file mode 100644 index 0000000000..5a50c6e53e --- /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 IGD found\n"); + return 0; + } + printf("\n============= IGD ==============\n\n"); + mmio_phys = gfx->base_addr[0] & ~0x7ULL; + printf("IGD 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; + +} |