K8 resource dump utility from Rudolf Marek

Signed-off-by: Rudolf Marek <r.marek@assembler.cz>
Acked-by: Stefan Reinauer <stepan@coresystems.de>




git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2904 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

1 files changed, 118 insertions, 0 deletions

diff --git a/util/k8resdump/k8resdump.c b/util/k8resdump/k8resdump.c
new file mode 100644
index 0000000000..1cf5f59960
--- /dev/null
+++ b/util/k8resdump/k8resdump.c
@@ -0,0 +1,118 @@
+/*
+ * 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.
+ *
+ * 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+/* 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;
+}