1 files changed, 117 insertions, 0 deletions
diff --git a/src/northbridge/intel/i945/debug.c b/src/northbridge/intel/i945/debug.c
new file mode 100644
index 0000000000..4a59fee372
--- /dev/null
+++ b/src/northbridge/intel/i945/debug.c
@@ -0,0 +1,117 @@
+/*
+ * This file is part of the coreboot project.
+ * 
+ * Copyright (C) 2007-2008 coresystems GmbH
+ *
+ * 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., 51 Franklin St, Fifth Floor, Boston,
+ * MA 02110-1301 USA
+ */
+
+#define SMBUS_MEM_DEVICE_START 0x50
+#define SMBUS_MEM_DEVICE_END 0x53
+#define SMBUS_MEM_DEVICE_INC 1
+
+static void print_pci_devices(void)
+{
+	device_t dev;
+	for(dev = PCI_DEV(0, 0, 0); 
+		dev <= PCI_DEV(0, 0x1f, 0x7); 
+		dev += PCI_DEV(0,0,1)) {
+		uint32_t id;
+		id = pci_read_config32(dev, PCI_VENDOR_ID);
+		if (((id & 0xffff) == 0x0000) || ((id & 0xffff) == 0xffff) ||
+			(((id >> 16) & 0xffff) == 0xffff) ||
+			(((id >> 16) & 0xffff) == 0x0000)) {
+			continue;
+		}
+		printk_debug("PCI: %02x:%02x.%02x", (dev >> 20) & 0xff,
+			(dev >> 15) & 0x1f, (dev >> 12) & 7);
+		printk_debug(" [%04x:%04x]\n", id &0xffff, id >> 16);
+	}
+}
+
+static void dump_pci_device(unsigned dev)
+{
+	int i;
+
+	printk_debug("PCI: %02x:%02x.%02x\n", (dev >> 20) & 0xff, (dev >> 15) & 0x1f, (dev >> 12) & 7);
+
+	for(i = 0; i <= 255; i++) {
+		unsigned char val;
+		if ((i & 0x0f) == 0) {
+			printk_debug("%02x:", i);
+		}
+		val = pci_read_config8(dev, i);
+		printk_debug(" %02x", val);
+		if ((i & 0x0f) == 0x0f) {
+			printk_debug("\n");
+		}
+	}
+}
+
+static void dump_pci_devices(void)
+{
+	device_t dev;
+	for(dev = PCI_DEV(0, 0, 0); 
+		dev <= PCI_DEV(0, 0x1f, 0x7); 
+		dev += PCI_DEV(0,0,1)) {
+		uint32_t id;
+		id = pci_read_config32(dev, PCI_VENDOR_ID);
+		if (((id & 0xffff) == 0x0000) || ((id & 0xffff) == 0xffff) ||
+			(((id >> 16) & 0xffff) == 0xffff) ||
+			(((id >> 16) & 0xffff) == 0x0000)) {
+			continue;
+		}
+		dump_pci_device(dev);
+	}
+}
+
+void dump_spd_registers(void)
+{
+        unsigned device;
+        device = SMBUS_MEM_DEVICE_START;
+        while(device <= SMBUS_MEM_DEVICE_END) {
+                int status = 0;
+                int i;
+        	printk_debug("\ndimm %02x", device);
+		
+                for(i = 0; (i < 256) ; i++) {
+                        if ((i % 16) == 0) {
+				printk_debug("\n%02x: ", i);
+                        }
+			status = smbus_read_byte(device, i);
+                        if (status < 0) {
+			         printk_debug("bad device: %02x\n", -status);
+			         break; 
+			}
+			printk_debug("%02x ", status);
+		}
+		device += SMBUS_MEM_DEVICE_INC;
+		printk_debug("\n");
+	}
+}
+
+static void dump_mem(unsigned start, unsigned end)
+{
+        unsigned i;
+	print_debug("dump_mem:");
+        for(i=start;i<end;i++) {
+		if((i & 0xf)==0) {
+			printk_debug("\n%08x:", i);
+		}
+		printk_debug(" %02x", (unsigned char)*((unsigned char *)i));
+        }
+        print_debug("\n");
+ }