new file to dump northbridge so you can see what's going on.

src/mainboard/digitallogic/smartcore-p5/Config

@@ -12,11 +12,15 @@ mainboardinit pc80/serial.inc
 mainboardinit arch/i386/lib/console.inc
 northbridge intel/430tx
 southbridge intel/piix4e
-mainboardinit cpu/p6/earlymtrr.inc
+#mainboardinit cpu/p6/earlymtrr.inc
+mainboardinit ram/dump_northbridge.inc
+mainboardinit ram/ramtest.inc
+mainboardinit mainboard/digitallogic/smartcore-p5/do_ramtest.inc
+
 
 superio SMC/fdc37c67x 
 
-option ENABLE_FIXED_AND_VARIABLE_MTRRS
+#option ENABLE_FIXED_AND_VARIABLE_MTRRS
 option PIIX4_DEVFN=0x38
 option NO_KEYBOARD
 option ZKERNEL_START=0xfffc0000
@@ -26,6 +30,8 @@ option SMC_BASE=0x3F0
 
 object mainboard.o
 
-cpu p6
+#cpu p6
 cpu p5
 
+#option RAM_TEST
+

src/ram/dump_northbridge.inc

@@ -0,0 +1,33 @@
+	/* Dump the first 64 longs for devfn 0, bus 0 
+	 * i.e. the north bridge. 
+	 */
+	
+	jmp	dumpnorth_skip
+	.section ".rodata"
+
+dn_banner:	.string "dump northbridge: \r\n"
+dn_done:	.string "Done.\r\n"
+dn_before:      .string "Before setting values: \r\n"
+dn_after:       .string "After setting values: \r\n" 
+	
+	.text
+	dumpnorth:
+	mov %esp, %ebp
+	CONSOLE_INFO_TX_STRING($dn_banner)
+	xorl     %ecx, %ecx
+1:
+	CONSOLE_INFO_TX_HEX32(%ecx)
+	CONSOLE_INFO_TX_CHAR($'-')
+	movl	%ecx, %eax
+
+	PCI_READ_CONFIG_DWORD
+	CONSOLE_INFO_TX_HEX32(%eax)
+	CONSOLE_INFO_TX_CHAR($'\r')
+	CONSOLE_INFO_TX_CHAR($'\n')
+	addl    $0x4, %ecx
+	cmpl	$256, %ecx
+	jne	1b
+	CONSOLE_INFO_TX_STRING($dn_done)
+	mov %ebp, %esp
+	RETSP
+dumpnorth_skip: