aboutsummaryrefslogtreecommitdiff
path: root/util/inteltool/gfx.c
diff options
context:
space:
mode:
Diffstat (limited to 'util/inteltool/gfx.c')
-rw-r--r--util/inteltool/gfx.c52
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;
+
+}