amdfam10: Perform major include ".c" cleanup

Previously, all romstages for this northbridge family
would compile via 1 single C file with everything
included into the romstage.c file (!)

This patch separates the build into separate .o modules
and links them accordingly.

Currently compiles and links all fam10 roms without
breaking other roms.

Both DDR2 and DDR3 have been completed

TESTED on REACTS: passes all boot tests for 2 boards
 ASUS KGPE-D16
 ASUS KFSN4-DRE

Some extra changes were required to make it compile
otherwise there were unused functions in included "c" files.
This is because I needed to exchange CIMX
for the native southbridge routines. See in particular:
 advansus/a785e-i
 asus/m5a88-v
 avalue/eax-785e

A followup patch may be required to fix the above boards.
See FIXME, XXX tags

Change-Id: Id0f9849578fd0f8b1eab83aed910902c27354426
Signed-off-by: Damien Zammit <damien@zamaudio.com>
Reviewed-on: https://review.coreboot.org/17625
Tested-by: build bot (Jenkins)
Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com>
Reviewed-by: Timothy Pearson <tpearson@raptorengineering.com>

52 files changed, 614 insertions, 539 deletions

diff --git a/src/mainboard/advansus/a785e-i/Kconfig b/src/mainboard/advansus/a785e-i/Kconfig
index 309475986b..2becdf07d1 100644
--- a/src/mainboard/advansus/a785e-i/Kconfig
+++ b/src/mainboard/advansus/a785e-i/Kconfig
@@ -7,10 +7,9 @@ config BOARD_SPECIFIC_OPTIONS # dummy
 	select DIMM_REGISTERED
 	select NORTHBRIDGE_AMD_AMDFAM10
 	select SOUTHBRIDGE_AMD_RS780
-	select SOUTHBRIDGE_AMD_CIMX_SB800
+	select SOUTHBRIDGE_AMD_SB800
 	select SUPERIO_WINBOND_W83627HF #COM1, COM2
 	#select SUPERIO_FINTEK_F81216AD #COM3, COM4
-	select SB_SUPERIO_HWM
 	select HAVE_OPTION_TABLE
 	select HAVE_PIRQ_TABLE
 	select SB_HT_CHAIN_UNITID_OFFSET_ONLY
diff --git a/src/mainboard/advansus/a785e-i/Makefile.inc b/src/mainboard/advansus/a785e-i/Makefile.inc
deleted file mode 100644
index 7b6a8e6ce5..0000000000
--- a/src/mainboard/advansus/a785e-i/Makefile.inc
+++ /dev/null
@@ -1,16 +0,0 @@
-
-#SB800 CIMx share AGESA V5 lib code
-ifneq ($(CONFIG_CPU_AMD_AGESA),y)
- AGESA_ROOT ?= src/vendorcode/amd/agesa/f14
- romstage-y += ../../../../$(AGESA_ROOT)/../common/amdlib.c
- ramstage-y += ../../../../$(AGESA_ROOT)/../common/amdlib.c
-
- AGESA_INC := -I$(AGESA_ROOT)/ \
-	      -I$(AGESA_ROOT)/../common \
-	      -I$(AGESA_ROOT)/Include \
-	      -I$(AGESA_ROOT)/Proc/IDS/ \
-	      -I$(AGESA_ROOT)/Proc/CPU/ \
-	      -I$(AGESA_ROOT)/Proc/CPU/Family
-
- CFLAGS_common += $(AGESA_INC)
-endif
diff --git a/src/mainboard/advansus/a785e-i/mainboard.c b/src/mainboard/advansus/a785e-i/mainboard.c
index be37d2d7c4..14f9ec0548 100644
--- a/src/mainboard/advansus/a785e-i/mainboard.c
+++ b/src/mainboard/advansus/a785e-i/mainboard.c
@@ -20,8 +20,6 @@
 #include <cpu/x86/msr.h>
 #include <cpu/amd/mtrr.h>
 #include <device/pci_def.h>
-#include "SBPLATFORM.h"
-
 
 u8 is_dev3_present(void);
 void set_pcie_dereset(void);
@@ -34,14 +32,14 @@ void enable_int_gfx(void)
 	volatile u8 *gpio_reg;
 
 	/* make sure the Acpi MMIO(fed80000) is accessible */
-        RWPMIO(SB_PMIOA_REG24, AccWidthUint8, ~(BIT0), BIT0);
+        // XXX Redo this RWPMIO(SB_PMIOA_REG24, AccWidthUint8, ~(BIT0), BIT0);
 
-	gpio_reg = (volatile u8 *)ACPI_MMIO_BASE + 0xD00; /* IoMux Register */
+	gpio_reg = (volatile u8 *)0xFED80000 + 0xD00; /* IoMux Register */
 
 	*(gpio_reg + 0x6) = 0x1; /* Int_vga_en */
 	*(gpio_reg + 170) = 0x1; /* gpio_gate */
 
-	gpio_reg = (volatile u8 *)ACPI_MMIO_BASE + 0x100; /* GPIO Registers */
+	gpio_reg = (volatile u8 *)0xFED80000 + 0x100; /* GPIO Registers */
 
 	*(gpio_reg + 0x6) = 0x8;
 	*(gpio_reg + 170) = 0x0;
diff --git a/src/mainboard/advansus/a785e-i/mptable.c b/src/mainboard/advansus/a785e-i/mptable.c
index 7def45339a..a423c39698 100644
--- a/src/mainboard/advansus/a785e-i/mptable.c
+++ b/src/mainboard/advansus/a785e-i/mptable.c
@@ -20,7 +20,6 @@
 #include <string.h>
 #include <stdint.h>
 #include <cpu/amd/amdfam10_sysconf.h>
-#include <SBPLATFORM.h>
 
 extern int bus_isa;
 extern u8 bus_rs780[11];
@@ -42,7 +41,7 @@ u8 intr_data[] = {
 static void *smp_write_config_table(void *v)
 {
 	struct mp_config_table *mc;
-	u32 dword;
+	u32 dword = 0;
 	u8 byte;
 
 	mc = (void *)(((char *)v) + SMP_FLOATING_TABLE_LEN);
@@ -56,7 +55,7 @@ static void *smp_write_config_table(void *v)
 	mptable_write_buses(mc, NULL, &bus_isa);
 
 	/* I/O APICs:   APIC ID Version State   Address */
-	ReadPMIO(SB_PMIOA_REG34, AccWidthUint32, &dword);
+	// XXX Redo this: ReadPMIO(SB_PMIOA_REG34, AccWidthUint32, &dword);
 	dword &= 0xFFFFFFF0;
 	smp_write_ioapic(mc, apicid_sb800, 0x11,(void *) dword);
 
diff --git a/src/mainboard/advansus/a785e-i/romstage.c b/src/mainboard/advansus/a785e-i/romstage.c
index c067664562..f145c25707 100644
--- a/src/mainboard/advansus/a785e-i/romstage.c
+++ b/src/mainboard/advansus/a785e-i/romstage.c
@@ -15,7 +15,6 @@
 
 #define SYSTEM_TYPE 1	/* SERVER=0, DESKTOP=1, MOBILE=2 */
 
-/* used by incoherent_ht */
 #define FAM10_SCAN_PCI_BUS 0
 #define FAM10_ALLOCATE_IO_RANGE 0
 
@@ -30,43 +29,43 @@
 #include <console/console.h>
 #include <timestamp.h>
 #include <cpu/amd/model_10xxx_rev.h>
-#include <northbridge/amd/amdfam10/raminit.h>
-#include <northbridge/amd/amdfam10/amdfam10.h>
 #include <cpu/x86/lapic.h>
-#include "northbridge/amd/amdfam10/reset_test.c"
 #include <commonlib/loglevel.h>
 #include <cpu/x86/bist.h>
 #include <superio/winbond/common/winbond.h>
 #include <superio/winbond/w83627hf/w83627hf.h>
 #include <cpu/amd/mtrr.h>
-#include "northbridge/amd/amdfam10/setup_resource_map.c"
+#include <cpu/amd/car.h>
+#include <northbridge/amd/amdfam10/raminit.h>
+#include <northbridge/amd/amdht/ht_wrapper.h>
+#include <cpu/amd/family_10h-family_15h/init_cpus.h>
+#include <southbridge/amd/sb800/smbus.h>
+#include <southbridge/amd/sb800/sb800.h>
 #include "southbridge/amd/rs780/early_setup.c"
-#include <sb_cimx.h>
-#include <SBPLATFORM.h> /* SB OEM constants */
-#include <southbridge/amd/cimx/sb800/smbus.h>
-#include "northbridge/amd/amdfam10/debug.c"
+#include "southbridge/amd/sb800/early_setup.c"
+#include <arch/early_variables.h>
+#include <cbmem.h>
+
+#include "resourcemap.c"
+#include "cpu/amd/quadcore/quadcore.c"
+#include "spd.h"
+#include <reset.h>
 
 #define SERIAL_DEV PNP_DEV(0x2e, W83627HF_SP1)
 
-static void activate_spd_rom(const struct mem_controller *ctrl)
+void activate_spd_rom(const struct mem_controller *ctrl);
+int spd_read_byte(unsigned device, unsigned address);
+extern struct sys_info sysinfo_car;
+
+void activate_spd_rom(const struct mem_controller *ctrl)
 {
 }
 
-static int spd_read_byte(u32 device, u32 address)
+int spd_read_byte(u32 device, u32 address)
 {
 	return do_smbus_read_byte(SMBUS_IO_BASE, device, address);
 }
 
-#include "northbridge/amd/amdfam10/raminit_sysinfo_in_ram.c"
-#include "northbridge/amd/amdfam10/pci.c"
-#include "resourcemap.c"
-#include "cpu/amd/quadcore/quadcore.c"
-#include <cpu/amd/microcode.h>
-#include "cpu/amd/family_10h-family_15h/init_cpus.c"
-#include "northbridge/amd/amdfam10/early_ht.c"
-#include "spd.h"
-#include <reset.h>
-
 void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 {
 	struct sys_info *sysinfo = &sysinfo_car;
@@ -85,7 +84,8 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 		enumerate_ht_chain();
 
 		/* enable port80 decoding and southbridge poweron init */
-		sb_Poweron_Init();
+		sb800_lpc_init();
+		sb800_pci_port80();
 	}
 
 	post_code(0x30);
@@ -156,12 +156,15 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 
 	/* run _early_setup before soft-reset. */
 	rs780_early_setup();
+	sb800_early_setup();
 
 #if CONFIG_SET_FIDVID
 	msr = rdmsr(0xc0010071);
 	printk(BIOS_DEBUG, "\nBegin FIDVID MSR 0xc0010071 0x%08x 0x%08x\n", msr.hi, msr.lo);
 	post_code(0x39);
 
+	enable_fid_change_on_sb(sysinfo->sbbusn, sysinfo->sbdn);
+
 	if (!warm_reset_detect(0)) {			/* BSP is node 0 */
 		init_fidvid_bsp(bsp_apicid, sysinfo->nodes);
 	} else {
@@ -203,6 +206,7 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 	amdmct_cbmem_store_info(sysinfo);
 
 	rs780_before_pci_init();
+	sb800_before_pci_init();
 
 	post_code(0x42);
 	post_cache_as_ram();	/* BSP switch stack to ram, copy then execute LB. */
diff --git a/src/mainboard/amd/bimini_fam10/romstage.c b/src/mainboard/amd/bimini_fam10/romstage.c
index 6b094fac35..cdb12e3244 100644
--- a/src/mainboard/amd/bimini_fam10/romstage.c
+++ b/src/mainboard/amd/bimini_fam10/romstage.c
@@ -29,39 +29,38 @@
 #include <console/console.h>
 #include <timestamp.h>
 #include <cpu/amd/model_10xxx_rev.h>
-#include <northbridge/amd/amdfam10/raminit.h>
-#include <northbridge/amd/amdfam10/amdfam10.h>
 #include <lib.h>
 #include <cpu/x86/lapic.h>
-#include "northbridge/amd/amdfam10/reset_test.c"
 #include <commonlib/loglevel.h>
 #include <cpu/x86/bist.h>
 #include <cpu/amd/mtrr.h>
-#include "northbridge/amd/amdfam10/setup_resource_map.c"
+#include <cpu/amd/car.h>
+#include <southbridge/amd/sb800/smbus.h>
+#include <northbridge/amd/amdfam10/raminit.h>
+#include <northbridge/amd/amdht/ht_wrapper.h>
+#include <cpu/amd/family_10h-family_15h/init_cpus.h>
+#include <arch/early_variables.h>
+#include <cbmem.h>
 #include "southbridge/amd/rs780/early_setup.c"
 #include "southbridge/amd/sb800/early_setup.c"
-#include "northbridge/amd/amdfam10/debug.c"
 #include <spd.h>
 
-static void activate_spd_rom(const struct mem_controller *ctrl)
+#include "resourcemap.c"
+#include "cpu/amd/quadcore/quadcore.c"
+
+void activate_spd_rom(const struct mem_controller *ctrl);
+int spd_read_byte(unsigned device, unsigned address);
+extern struct sys_info sysinfo_car;
+
+void activate_spd_rom(const struct mem_controller *ctrl)
 {
 }
 
-static int spd_read_byte(u32 device, u32 address)
+int spd_read_byte(u32 device, u32 address)
 {
-	return smbus_read_byte(device, address);
+	return do_smbus_read_byte(SMBUS_IO_BASE, device, address);
 }
 
-#include <northbridge/amd/amdfam10/amdfam10.h>
-#include "northbridge/amd/amdfam10/raminit_sysinfo_in_ram.c"
-#include "northbridge/amd/amdfam10/pci.c"
-#include "resourcemap.c"
-#include "cpu/amd/quadcore/quadcore.c"
-#include <cpu/amd/microcode.h>
-
-#include "cpu/amd/family_10h-family_15h/init_cpus.c"
-#include "northbridge/amd/amdfam10/early_ht.c"
-
 void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 {
 	struct sys_info *sysinfo = &sysinfo_car;
diff --git a/src/mainboard/amd/mahogany/romstage.c b/src/mainboard/amd/mahogany/romstage.c
index 1e0000e877..bbbe869e35 100644
--- a/src/mainboard/amd/mahogany/romstage.c
+++ b/src/mainboard/amd/mahogany/romstage.c
@@ -31,11 +31,12 @@
 #include <superio/ite/it8718f/it8718f.h>
 #include <cpu/x86/bist.h>
 #include "northbridge/amd/amdk8/setup_resource_map.c"
-#include "southbridge/amd/rs780/early_setup.c"
 #include <southbridge/amd/sb700/sb700.h>
 #include <southbridge/amd/sb700/smbus.h>
 #include "northbridge/amd/amdk8/debug.c" /* After sb700/early_setup.c! */
 
+unsigned get_sbdn(unsigned bus);
+
 #define SERIAL_DEV PNP_DEV(0x2e, IT8718F_SP1)
 
 static void memreset(int controllers, const struct mem_controller *ctrl) { }
@@ -46,6 +47,7 @@ static inline int spd_read_byte(u32 device, u32 address)
 	return do_smbus_read_byte(SMBUS_IO_BASE, device, address);
 }
 
+#include "southbridge/amd/rs780/early_setup.c"
 #include <northbridge/amd/amdk8/amdk8.h>
 #include "northbridge/amd/amdk8/incoherent_ht.c"
 #include "northbridge/amd/amdk8/raminit_f.c"
diff --git a/src/mainboard/amd/mahogany_fam10/romstage.c b/src/mainboard/amd/mahogany_fam10/romstage.c
index 1ee6698d70..efb2885963 100644
--- a/src/mainboard/amd/mahogany_fam10/romstage.c
+++ b/src/mainboard/amd/mahogany_fam10/romstage.c
@@ -31,41 +31,40 @@
 #include <console/console.h>
 #include <timestamp.h>
 #include <cpu/amd/model_10xxx_rev.h>
-#include <northbridge/amd/amdfam10/raminit.h>
-#include <northbridge/amd/amdfam10/amdfam10.h>
 #include <lib.h>
 #include <cpu/x86/lapic.h>
-#include "northbridge/amd/amdfam10/reset_test.c"
 #include <commonlib/loglevel.h>
 #include <cpu/x86/bist.h>
 #include <superio/ite/common/ite.h>
 #include <superio/ite/it8718f/it8718f.h>
 #include <cpu/amd/mtrr.h>
-#include "northbridge/amd/amdfam10/setup_resource_map.c"
-#include "southbridge/amd/rs780/early_setup.c"
+#include <cpu/amd/car.h>
 #include <southbridge/amd/sb700/sb700.h>
 #include <southbridge/amd/sb700/smbus.h>
-#include "northbridge/amd/amdfam10/debug.c"
+#include <northbridge/amd/amdfam10/raminit.h>
+#include <northbridge/amd/amdht/ht_wrapper.h>
+#include <cpu/amd/family_10h-family_15h/init_cpus.h>
+#include <arch/early_variables.h>
+#include <cbmem.h>
+#include "southbridge/amd/rs780/early_setup.c"
 #include <spd.h>
 
 #define SERIAL_DEV PNP_DEV(0x2e, IT8718F_SP1)
 
-static void activate_spd_rom(const struct mem_controller *ctrl) { }
+#include "resourcemap.c"
+#include "cpu/amd/quadcore/quadcore.c"
 
-static int spd_read_byte(u32 device, u32 address)
+void activate_spd_rom(const struct mem_controller *ctrl);
+int spd_read_byte(unsigned device, unsigned address);
+extern struct sys_info sysinfo_car;
+
+void activate_spd_rom(const struct mem_controller *ctrl) { }
+
+int spd_read_byte(u32 device, u32 address)
 {
 	return do_smbus_read_byte(SMBUS_IO_BASE, device, address);
 }
 
-#include <northbridge/amd/amdfam10/amdfam10.h>
-#include "northbridge/amd/amdfam10/raminit_sysinfo_in_ram.c"
-#include "northbridge/amd/amdfam10/pci.c"
-#include "resourcemap.c"
-#include "cpu/amd/quadcore/quadcore.c"
-#include <cpu/amd/microcode.h>
-
-#include "cpu/amd/family_10h-family_15h/init_cpus.c"
-#include "northbridge/amd/amdfam10/early_ht.c"
 
 void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 {
diff --git a/src/mainboard/amd/serengeti_cheetah/romstage.c b/src/mainboard/amd/serengeti_cheetah/romstage.c
index 51794484ed..ae89b05015 100644
--- a/src/mainboard/amd/serengeti_cheetah/romstage.c
+++ b/src/mainboard/amd/serengeti_cheetah/romstage.c
@@ -31,10 +31,11 @@
 #include <superio/winbond/common/winbond.h>
 #include <superio/winbond/w83627hf/w83627hf.h>
 #include "northbridge/amd/amdk8/setup_resource_map.c"
-#include "southbridge/amd/amd8111/early_ctrl.c"
 
 #define SERIAL_DEV PNP_DEV(0x2e, W83627HF_SP1)
 
+unsigned get_sbdn(unsigned bus);
+
 static void memreset_setup(void)
 {
 	/* GPIO on amd8111 to enable MEMRST ???? */
@@ -63,6 +64,7 @@ static inline int spd_read_byte(unsigned device, unsigned address)
 	return smbus_read_byte(device, address);
 }
 
+#include "southbridge/amd/amd8111/early_ctrl.c"
 #include <northbridge/amd/amdk8/amdk8.h>
 #include "northbridge/amd/amdk8/incoherent_ht.c"
 #include "northbridge/amd/amdk8/coherent_ht.c"
diff --git a/src/mainboard/amd/serengeti_cheetah_fam10/romstage.c b/src/mainboard/amd/serengeti_cheetah_fam10/romstage.c
index fa92219069..831e050648 100644
--- a/src/mainboard/amd/serengeti_cheetah_fam10/romstage.c
+++ b/src/mainboard/amd/serengeti_cheetah_fam10/romstage.c
@@ -29,23 +29,31 @@
 #include <console/console.h>
 #include <timestamp.h>
 #include <cpu/amd/model_10xxx_rev.h>
-#include "southbridge/amd/amd8111/early_smbus.c"
-#include <northbridge/amd/amdfam10/raminit.h>
-#include <northbridge/amd/amdfam10/amdfam10.h>
 #include <lib.h>
 #include <spd.h>
 #include <cpu/x86/lapic.h>
-#include "northbridge/amd/amdfam10/reset_test.c"
 #include <commonlib/loglevel.h>
 #include <cpu/x86/bist.h>
-#include "northbridge/amd/amdfam10/debug.c"
+#include <cpu/amd/car.h>
 #include <superio/winbond/common/winbond.h>
 #include <superio/winbond/w83627hf/w83627hf.h>
-#include "northbridge/amd/amdfam10/setup_resource_map.c"
+#include <northbridge/amd/amdfam10/raminit.h>
+#include <northbridge/amd/amdht/ht_wrapper.h>
+#include <cpu/amd/family_10h-family_15h/init_cpus.h>
+#include <arch/early_variables.h>
+#include <cbmem.h>
+#include "southbridge/amd/amd8111/early_smbus.c"
 #include "southbridge/amd/amd8111/early_ctrl.c"
 
+#include "resourcemap.c"
+#include "cpu/amd/quadcore/quadcore.c"
+
 #define SERIAL_DEV PNP_DEV(0x2e, W83627HF_SP1)
 
+void activate_spd_rom(const struct mem_controller *ctrl);
+int spd_read_byte(unsigned device, unsigned address);
+extern struct sys_info sysinfo_car;
+
 static void memreset_setup(void)
 {
 	/* GPIO on amd8111 to enable MEMRST ???? */
@@ -53,7 +61,7 @@ static void memreset_setup(void)
 	outb((1 << 2)|(0 << 0), SMBUS_IO_BASE + 0xc0 + 17);
 }
 
-static void activate_spd_rom(const struct mem_controller *ctrl)
+void activate_spd_rom(const struct mem_controller *ctrl)
 {
 #define SMBUS_HUB 0x18
 	int ret,i;
@@ -69,21 +77,11 @@ static void activate_spd_rom(const struct mem_controller *ctrl)
 	smbus_write_byte(SMBUS_HUB, 0x03, 0);
 }
 
-static int spd_read_byte(u32 device, u32 address)
+int spd_read_byte(u32 device, u32 address)
 {
 	return smbus_read_byte(device, address);
 }
 
-#include <northbridge/amd/amdfam10/amdfam10.h>
-#include "northbridge/amd/amdfam10/raminit_sysinfo_in_ram.c"
-#include "northbridge/amd/amdfam10/pci.c"
-#include "resourcemap.c"
-#include "cpu/amd/quadcore/quadcore.c"
-#include <cpu/amd/microcode.h>
-
-#include "cpu/amd/family_10h-family_15h/init_cpus.c"
-#include "northbridge/amd/amdfam10/early_ht.c"
-
 static const u8 spd_addr[] = {
 	/* first node */
 	RC00, DIMM0, DIMM2, 0, 0, DIMM1, DIMM3, 0, 0,
diff --git a/src/mainboard/amd/tilapia_fam10/romstage.c b/src/mainboard/amd/tilapia_fam10/romstage.c
index c68fcccced..022e91de19 100644
--- a/src/mainboard/amd/tilapia_fam10/romstage.c
+++ b/src/mainboard/amd/tilapia_fam10/romstage.c
@@ -29,41 +29,40 @@
 #include <console/console.h>
 #include <timestamp.h>
 #include <cpu/amd/model_10xxx_rev.h>
-#include <northbridge/amd/amdfam10/raminit.h>
-#include <northbridge/amd/amdfam10/amdfam10.h>
 #include <lib.h>
 #include <cpu/x86/lapic.h>
-#include "northbridge/amd/amdfam10/reset_test.c"
 #include <commonlib/loglevel.h>
 #include <cpu/x86/bist.h>
 #include <superio/ite/common/ite.h>
 #include <superio/ite/it8718f/it8718f.h>
 #include <cpu/amd/mtrr.h>
-#include "northbridge/amd/amdfam10/setup_resource_map.c"
-#include "southbridge/amd/rs780/early_setup.c"
+#include <cpu/amd/car.h>
 #include <southbridge/amd/sb700/sb700.h>
 #include <southbridge/amd/sb700/smbus.h>
-#include "northbridge/amd/amdfam10/debug.c"
+#include <northbridge/amd/amdfam10/raminit.h>
+#include <northbridge/amd/amdht/ht_wrapper.h>
+#include <cpu/amd/family_10h-family_15h/init_cpus.h>
+#include <arch/early_variables.h>
+#include <cbmem.h>
+#include <spd.h>
+#include "southbridge/amd/rs780/early_setup.c"
+
+#include "resourcemap.c"
+#include "cpu/amd/quadcore/quadcore.c"
 
 #define SERIAL_DEV PNP_DEV(0x2e, IT8718F_SP1)
 
-static void activate_spd_rom(const struct mem_controller *ctrl) { }
+void activate_spd_rom(const struct mem_controller *ctrl);
+int spd_read_byte(unsigned device, unsigned address);
+extern struct sys_info sysinfo_car;
+
+void activate_spd_rom(const struct mem_controller *ctrl) { }
 
-static int spd_read_byte(u32 device, u32 address)
+int spd_read_byte(u32 device, u32 address)
 {
 	return do_smbus_read_byte(SMBUS_IO_BASE, device, address);
 }
 
-#include <northbridge/amd/amdfam10/amdfam10.h>
-#include "northbridge/amd/amdfam10/raminit_sysinfo_in_ram.c"
-#include "northbridge/amd/amdfam10/pci.c"
-#include "resourcemap.c"
-#include "cpu/amd/quadcore/quadcore.c"
-#include <cpu/amd/microcode.h>
-
-#include "cpu/amd/family_10h-family_15h/init_cpus.c"
-#include "northbridge/amd/amdfam10/early_ht.c"
-#include <spd.h>
 
 void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 {
diff --git a/src/mainboard/asrock/939a785gmh/romstage.c b/src/mainboard/asrock/939a785gmh/romstage.c
index cbe320b62f..3645c9f242 100644
--- a/src/mainboard/asrock/939a785gmh/romstage.c
+++ b/src/mainboard/asrock/939a785gmh/romstage.c
@@ -32,7 +32,6 @@
 #include <superio/winbond/w83627dhg/w83627dhg.h>
 #include <cpu/x86/bist.h>
 #include "northbridge/amd/amdk8/setup_resource_map.c"
-#include "southbridge/amd/rs780/early_setup.c"
 #include <southbridge/amd/sb700/sb700.h>
 #include <southbridge/amd/sb700/smbus.h>
 #include "northbridge/amd/amdk8/debug.c" /* After sb700/early_setup.c! */
@@ -40,6 +39,8 @@
 #define SERIAL_DEV PNP_DEV(0x2e, W83627DHG_SP1)
 #define GPIO2345_DEV PNP_DEV(0x2e, W83627DHG_GPIO2345_V)
 
+unsigned get_sbdn(unsigned bus);
+
 static void memreset(int controllers, const struct mem_controller *ctrl) { }
 static void activate_spd_rom(const struct mem_controller *ctrl) { }
 
@@ -48,6 +49,7 @@ static inline int spd_read_byte(u32 device, u32 address)
 	return do_smbus_read_byte(SMBUS_IO_BASE, device, address);
 }
 
+#include "southbridge/amd/rs780/early_setup.c"
 #include <northbridge/amd/amdk8/amdk8.h>
 #include "northbridge/amd/amdk8/incoherent_ht.c"
 #include "northbridge/amd/amdk8/raminit.c"
diff --git a/src/mainboard/asus/kcma-d8/romstage.c b/src/mainboard/asus/kcma-d8/romstage.c
index 256cf7e479..c31d98a20b 100644
--- a/src/mainboard/asus/kcma-d8/romstage.c
+++ b/src/mainboard/asus/kcma-d8/romstage.c
@@ -30,43 +30,37 @@
 #include <lib.h>
 #include <spd.h>
 #include <cpu/amd/model_10xxx_rev.h>
-#include <northbridge/amd/amdfam10/raminit.h>
-#include <northbridge/amd/amdfam10/amdfam10.h>
 #include <delay.h>
 #include <cpu/x86/lapic.h>
-#include "northbridge/amd/amdfam10/reset_test.c"
 #include <superio/winbond/common/winbond.h>
 #include <superio/winbond/w83667hg-a/w83667hg-a.h>
 #include <cpu/x86/bist.h>
 #include <smp/spinlock.h>
-// #include "northbridge/amd/amdk8/incoherent_ht.c"
+#include <cpu/amd/car.h>
 #include <southbridge/amd/sb700/sb700.h>
 #include <southbridge/amd/sb700/smbus.h>
 #include <southbridge/amd/sr5650/sr5650.h>
-#include "northbridge/amd/amdfam10/debug.c"
-#include "northbridge/amd/amdfam10/setup_resource_map.c"
+#include <northbridge/amd/amdfam10/raminit.h>
+#include <northbridge/amd/amdht/ht_wrapper.h>
+#include <cpu/amd/family_10h-family_15h/init_cpus.h>
+#include <arch/early_variables.h>
+#include <cbmem.h>
+
+#include "resourcemap.c"
+#include "cpu/amd/quadcore/quadcore.c"
 
 #define SERIAL_0_DEV PNP_DEV(0x2e, W83667HG_A_SP1)
 #define SERIAL_1_DEV PNP_DEV(0x2e, W83667HG_A_SP2)
 
-static void activate_spd_rom(const struct mem_controller *ctrl);
+void activate_spd_rom(const struct mem_controller *ctrl);
+int spd_read_byte(unsigned device, unsigned address);
+extern struct sys_info sysinfo_car;
 
-static inline int spd_read_byte(unsigned device, unsigned address)
+inline int spd_read_byte(unsigned device, unsigned address)
 {
 	return do_smbus_read_byte(SMBUS_AUX_IO_BASE, device, address);
 }
 
-#include <northbridge/amd/amdfam10/amdfam10.h>
-#include "northbridge/amd/amdfam10/raminit_sysinfo_in_ram.c"
-#include "northbridge/amd/amdfam10/pci.c"
-#include "resourcemap.c"
-#include "cpu/amd/quadcore/quadcore.c"
-
-#include <cpu/amd/microcode.h>
-
-#include "cpu/amd/family_10h-family_15h/init_cpus.c"
-#include "northbridge/amd/amdfam10/early_ht.c"
-
 /*
  * ASUS KCMA-D8 specific SPD enable/disable magic.
  *
@@ -108,7 +102,7 @@ static const uint8_t spd_addr_fam10[] = {
 	RC01, DIMM0, DIMM1, 0, 0, DIMM2, DIMM3, 0, 0,
 };
 
-static void activate_spd_rom(const struct mem_controller *ctrl) {
+void activate_spd_rom(const struct mem_controller *ctrl) {
 	printk(BIOS_DEBUG, "activate_spd_rom() for node %02x\n", ctrl->node_id);
 	if (ctrl->node_id == 0) {
 		printk(BIOS_DEBUG, "enable_spd_node0()\n");
diff --git a/src/mainboard/asus/kfsn4-dre/romstage.c b/src/mainboard/asus/kfsn4-dre/romstage.c
index c7fa429698..53ec731242 100644
--- a/src/mainboard/asus/kfsn4-dre/romstage.c
+++ b/src/mainboard/asus/kfsn4-dre/romstage.c
@@ -20,8 +20,6 @@
 #define FAM10_SCAN_PCI_BUS 0
 #define FAM10_ALLOCATE_IO_RANGE 1
 
-unsigned int get_sbdn(unsigned bus);
-
 #include <stdint.h>
 #include <string.h>
 #include <reset.h>
@@ -34,47 +32,41 @@ unsigned int get_sbdn(unsigned bus);
 #include <timestamp.h>
 #include <lib.h>
 #include <spd.h>
+#include <cbmem.h>
 #include <cpu/amd/model_10xxx_rev.h>
-#include "southbridge/nvidia/ck804/early_smbus.h"
-#include <northbridge/amd/amdfam10/raminit.h>
-#include <northbridge/amd/amdfam10/amdfam10.h>
+#include <cpu/amd/car.h>
+#include <southbridge/nvidia/ck804/early_smbus.h>
 #include <delay.h>
 #include <cpu/x86/lapic.h>
-#include "northbridge/amd/amdfam10/reset_test.c"
 #include <superio/winbond/common/winbond.h>
 #include <superio/winbond/w83627thg/w83627thg.h>
 #include <cpu/x86/bist.h>
-// #include "northbridge/amd/amdk8/incoherent_ht.c"
-#include "northbridge/amd/amdfam10/debug.c"
-#include "northbridge/amd/amdfam10/setup_resource_map.c"
-
-#define SERIAL_DEV PNP_DEV(0x2e, W83627THG_SP1)
-
-static void activate_spd_rom(const struct mem_controller *ctrl);
-
-static inline int spd_read_byte(unsigned device, unsigned address)
-{
-	return smbus_read_byte(device, address);
-}
+#include <northbridge/amd/amdht/ht_wrapper.h>
+#include <northbridge/amd/amdfam10/raminit.h>
+#include <cpu/amd/family_10h-family_15h/init_cpus.h>
 
-#include <northbridge/amd/amdfam10/amdfam10.h>
-#include "northbridge/amd/amdfam10/raminit_sysinfo_in_ram.c"
-#include "northbridge/amd/amdfam10/pci.c"
 #include "resourcemap.c"
 #include "cpu/amd/quadcore/quadcore.c"
 
+#define SERIAL_DEV PNP_DEV(0x2e, W83627THG_SP1)
+
 #define CK804_MB_SETUP \
 	RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+33, ~(0x0f),(0x04 | 0x01),	/* -ENOINFO Proprietary BIOS sets this register; "When in Rome..."*/
 
 #include <southbridge/nvidia/ck804/early_setup_ss.h>
 #include "southbridge/nvidia/ck804/early_setup_car.c"
-#include <cpu/amd/microcode.h>
-
-#include "cpu/amd/family_10h-family_15h/init_cpus.c"
-#include "northbridge/amd/amdfam10/early_ht.c"
 
 #define GPIO3_DEV PNP_DEV(0x2e, W83627THG_GPIO3)
 
+void activate_spd_rom(const struct mem_controller *ctrl);
+int spd_read_byte(unsigned device, unsigned address);
+extern struct sys_info sysinfo_car;
+
+int spd_read_byte(unsigned device, unsigned address)
+{
+	return smbus_read_byte(device, address);
+}
+
 /**
  * @brief Get SouthBridge device number
  * @param[in] bus target bus number
@@ -182,7 +174,7 @@ static const uint8_t spd_addr[] = {
 	RC01, DIMM0, DIMM2, DIMM4, DIMM6, DIMM1, DIMM3, DIMM5, DIMM7,
 };
 
-static void activate_spd_rom(const struct mem_controller *ctrl) {
+void activate_spd_rom(const struct mem_controller *ctrl) {
 	printk(BIOS_DEBUG, "activate_spd_rom() for node %02x\n", ctrl->node_id);
 	if (ctrl->node_id == 0) {
 		printk(BIOS_DEBUG, "enable_spd_node0()\n");
diff --git a/src/mainboard/asus/kgpe-d16/romstage.c b/src/mainboard/asus/kgpe-d16/romstage.c
index 80d1c45387..72581a0d88 100644
--- a/src/mainboard/asus/kgpe-d16/romstage.c
+++ b/src/mainboard/asus/kgpe-d16/romstage.c
@@ -30,43 +30,37 @@
 #include <lib.h>
 #include <spd.h>
 #include <cpu/amd/model_10xxx_rev.h>
-#include <northbridge/amd/amdfam10/raminit.h>
-#include <northbridge/amd/amdfam10/amdfam10.h>
 #include <delay.h>
 #include <cpu/x86/lapic.h>
-#include "northbridge/amd/amdfam10/reset_test.c"
 #include <superio/winbond/common/winbond.h>
 #include <superio/winbond/w83667hg-a/w83667hg-a.h>
 #include <cpu/x86/bist.h>
+#include <cpu/amd/car.h>
 #include <smp/spinlock.h>
-// #include "northbridge/amd/amdk8/incoherent_ht.c"
 #include <southbridge/amd/sb700/sb700.h>
 #include <southbridge/amd/sb700/smbus.h>
 #include <southbridge/amd/sr5650/sr5650.h>
-#include "northbridge/amd/amdfam10/debug.c"
-#include "northbridge/amd/amdfam10/setup_resource_map.c"
+#include <northbridge/amd/amdfam10/raminit.h>
+#include <northbridge/amd/amdht/ht_wrapper.h>
+#include <cpu/amd/family_10h-family_15h/init_cpus.h>
+#include <arch/early_variables.h>
+#include <cbmem.h>
+
+#include "resourcemap.c"
+#include "cpu/amd/quadcore/quadcore.c"
 
 #define SERIAL_0_DEV PNP_DEV(0x2e, W83667HG_A_SP1)
 #define SERIAL_1_DEV PNP_DEV(0x2e, W83667HG_A_SP2)
 
-static void activate_spd_rom(const struct mem_controller *ctrl);
+void activate_spd_rom(const struct mem_controller *ctrl);
+int spd_read_byte(unsigned device, unsigned address);
+extern struct sys_info sysinfo_car;
 
-static inline int spd_read_byte(unsigned device, unsigned address)
+int spd_read_byte(unsigned device, unsigned address)
 {
 	return do_smbus_read_byte(SMBUS_AUX_IO_BASE, device, address);
 }
 
-#include <northbridge/amd/amdfam10/amdfam10.h>
-#include "northbridge/amd/amdfam10/raminit_sysinfo_in_ram.c"
-#include "northbridge/amd/amdfam10/pci.c"
-#include "resourcemap.c"
-#include "cpu/amd/quadcore/quadcore.c"
-
-#include <cpu/amd/microcode.h>
-
-#include "cpu/amd/family_10h-family_15h/init_cpus.c"
-#include "northbridge/amd/amdfam10/early_ht.c"
-
 /*
  * ASUS KGPE-D16 specific SPD enable/disable magic.
  *
@@ -116,9 +110,8 @@ static const uint8_t spd_addr_fam10[] = {
 	RC01, DIMM0, DIMM1, 0, 0, DIMM2, DIMM3, 0, 0,
 };
 
-static void activate_spd_rom(const struct mem_controller *ctrl) {
+void activate_spd_rom(const struct mem_controller *ctrl) {
 	struct sys_info *sysinfo = &sysinfo_car;
-
 	printk(BIOS_DEBUG, "activate_spd_rom() for node %02x\n", ctrl->node_id);
 	if (ctrl->node_id == 0) {
 		printk(BIOS_DEBUG, "enable_spd_node0()\n");
diff --git a/src/mainboard/asus/m2n-e/romstage.c b/src/mainboard/asus/m2n-e/romstage.c
index 3bf54db3fa..7e98cdc73a 100644
--- a/src/mainboard/asus/m2n-e/romstage.c
+++ b/src/mainboard/asus/m2n-e/romstage.c
@@ -38,11 +38,23 @@
 #include <cpu/x86/bist.h>
 #include "northbridge/amd/amdk8/debug.c"
 #include "northbridge/amd/amdk8/setup_resource_map.c"
-#include "southbridge/nvidia/mcp55/early_ctrl.c"
 
 #define SERIAL_DEV PNP_DEV(0x2e, IT8716F_SP1)
 #define CLKIN_DEV PNP_DEV(0x2e, IT8716F_GPIO)
 
+unsigned get_sbdn(unsigned bus);
+
+unsigned get_sbdn(unsigned bus)
+{
+	pci_devfn_t dev;
+
+	/* Find the device. */
+	dev = pci_locate_device_on_bus(PCI_ID(PCI_VENDOR_ID_NVIDIA,
+				       PCI_DEVICE_ID_NVIDIA_MCP55_HT), bus);
+
+	return (dev >> 15) & 0x1f;
+}
+
 static void memreset(int controllers, const struct mem_controller *ctrl) {}
 static inline void activate_spd_rom(const struct mem_controller *ctrl) {}
 
@@ -51,6 +63,7 @@ static inline int spd_read_byte(unsigned int device, unsigned int address)
 	return smbus_read_byte(device, address);
 }
 
+#include "southbridge/nvidia/mcp55/early_ctrl.c"
 #include <northbridge/amd/amdk8/f.h>
 #include "northbridge/amd/amdk8/incoherent_ht.c"
 #include "northbridge/amd/amdk8/coherent_ht.c"
diff --git a/src/mainboard/asus/m4a78-em/romstage.c b/src/mainboard/asus/m4a78-em/romstage.c
index 6c081d4a61..1076bf601c 100644
--- a/src/mainboard/asus/m4a78-em/romstage.c
+++ b/src/mainboard/asus/m4a78-em/romstage.c
@@ -17,7 +17,6 @@
 #define SYSTEM_TYPE 1	/* DESKTOP */
 //#define SYSTEM_TYPE 2	/* MOBILE */
 
-//used by incoherent_ht
 #define FAM10_SCAN_PCI_BUS 0
 #define FAM10_ALLOCATE_IO_RANGE 0
 
@@ -31,43 +30,41 @@
 #include <console/console.h>
 #include <timestamp.h>
 #include <cpu/amd/model_10xxx_rev.h>
-#include <northbridge/amd/amdfam10/raminit.h>
-#include <northbridge/amd/amdfam10/amdfam10.h>
 #include <lib.h>
 #include <cpu/x86/lapic.h>
-#include "northbridge/amd/amdfam10/reset_test.c"
 #include <commonlib/loglevel.h>
 #include <cpu/x86/bist.h>
 #include <superio/ite/common/ite.h>
 #include <superio/ite/it8712f/it8712f.h>
 #include <cpu/amd/mtrr.h>
-#include "northbridge/amd/amdfam10/setup_resource_map.c"
-#include "southbridge/amd/rs780/early_setup.c"
+#include <cpu/amd/car.h>
 #include <southbridge/amd/sb700/sb700.h>
 #include <southbridge/amd/sb700/smbus.h>
-#include "northbridge/amd/amdfam10/debug.c"
+#include <northbridge/amd/amdfam10/raminit.h>
+#include <northbridge/amd/amdht/ht_wrapper.h>
+#include <cpu/amd/family_10h-family_15h/init_cpus.h>
+#include <arch/early_variables.h>
+#include <cbmem.h>
+#include <spd.h>
+#include "southbridge/amd/rs780/early_setup.c"
+
+#include "resourcemap.c"
+#include "cpu/amd/quadcore/quadcore.c"
 
 #define SERIAL_DEV PNP_DEV(0x2e, IT8712F_SP1)
 #define GPIO_DEV PNP_DEV(0x2e, IT8712F_GPIO)
 
-static void activate_spd_rom(const struct mem_controller *ctrl) { }
+void activate_spd_rom(const struct mem_controller *ctrl);
+int spd_read_byte(unsigned device, unsigned address);
+extern struct sys_info sysinfo_car;
+
+void activate_spd_rom(const struct mem_controller *ctrl) { }
 
-static int spd_read_byte(u32 device, u32 address)
+int spd_read_byte(u32 device, u32 address)
 {
 	return do_smbus_read_byte(SMBUS_IO_BASE, device, address);
 }
 
-#include <northbridge/amd/amdfam10/amdfam10.h>
-#include "northbridge/amd/amdfam10/raminit_sysinfo_in_ram.c"
-#include "northbridge/amd/amdfam10/pci.c"
-#include "resourcemap.c"
-#include "cpu/amd/quadcore/quadcore.c"
-#include <cpu/amd/microcode.h>
-
-#include "cpu/amd/family_10h-family_15h/init_cpus.c"
-#include "northbridge/amd/amdfam10/early_ht.c"
-#include <spd.h>
-
 void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 {
 	struct sys_info *sysinfo = &sysinfo_car;
diff --git a/src/mainboard/asus/m4a785-m/romstage.c b/src/mainboard/asus/m4a785-m/romstage.c
index 2393e38472..40334d66b3 100644
--- a/src/mainboard/asus/m4a785-m/romstage.c
+++ b/src/mainboard/asus/m4a785-m/romstage.c
@@ -31,43 +31,41 @@
 #include <console/console.h>
 #include <timestamp.h>
 #include <cpu/amd/model_10xxx_rev.h>
-#include <northbridge/amd/amdfam10/raminit.h>
-#include <northbridge/amd/amdfam10/amdfam10.h>
 #include <lib.h>
 #include <cpu/x86/lapic.h>
-#include "northbridge/amd/amdfam10/reset_test.c"
 #include <commonlib/loglevel.h>
 #include <cpu/x86/bist.h>
 #include <superio/ite/common/ite.h>
 #include <superio/ite/it8712f/it8712f.h>
 #include <cpu/amd/mtrr.h>
-#include "northbridge/amd/amdfam10/setup_resource_map.c"
-#include "southbridge/amd/rs780/early_setup.c"
+#include <cpu/amd/car.h>
 #include <southbridge/amd/sb700/sb700.h>
 #include <southbridge/amd/sb700/smbus.h>
-#include "northbridge/amd/amdfam10/debug.c"
+#include <northbridge/amd/amdfam10/raminit.h>
+#include <northbridge/amd/amdht/ht_wrapper.h>
+#include <cpu/amd/family_10h-family_15h/init_cpus.h>
+#include <arch/early_variables.h>
+#include <cbmem.h>
+#include <spd.h>
+#include "southbridge/amd/rs780/early_setup.c"
+
+#include "resourcemap.c"
+#include "cpu/amd/quadcore/quadcore.c"
 
 #define SERIAL_DEV PNP_DEV(0x2e, IT8712F_SP1)
 #define GPIO_DEV PNP_DEV(0x2e, IT8712F_GPIO)
 
-static void activate_spd_rom(const struct mem_controller *ctrl) { }
+void activate_spd_rom(const struct mem_controller *ctrl);
+int spd_read_byte(unsigned device, unsigned address);
+extern struct sys_info sysinfo_car;
+
+void activate_spd_rom(const struct mem_controller *ctrl) { }
 
-static int spd_read_byte(u32 device, u32 address)
+int spd_read_byte(u32 device, u32 address)
 {
 	return do_smbus_read_byte(SMBUS_IO_BASE, device, address);
 }
 
-#include <northbridge/amd/amdfam10/amdfam10.h>
-#include "northbridge/amd/amdfam10/raminit_sysinfo_in_ram.c"
-#include "northbridge/amd/amdfam10/pci.c"
-#include "resourcemap.c"
-#include "cpu/amd/quadcore/quadcore.c"
-#include <cpu/amd/microcode.h>
-
-#include "cpu/amd/family_10h-family_15h/init_cpus.c"
-#include "northbridge/amd/amdfam10/early_ht.c"
-#include <spd.h>
-
 void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 {
 	struct sys_info *sysinfo = &sysinfo_car;
diff --git a/src/mainboard/asus/m5a88-v/Kconfig b/src/mainboard/asus/m5a88-v/Kconfig
index 8f2ede13ee..9bb89656a4 100644
--- a/src/mainboard/asus/m5a88-v/Kconfig
+++ b/src/mainboard/asus/m5a88-v/Kconfig
@@ -7,7 +7,7 @@ config BOARD_SPECIFIC_OPTIONS # dummy
 	select DIMM_REGISTERED
 	select NORTHBRIDGE_AMD_AMDFAM10
 	select SOUTHBRIDGE_AMD_RS780
-	select SOUTHBRIDGE_AMD_CIMX_SB800
+	select SOUTHBRIDGE_AMD_SB800
 	select SUPERIO_ITE_IT8721F
 	select HAVE_OPTION_TABLE
 	select HAVE_PIRQ_TABLE
diff --git a/src/mainboard/asus/m5a88-v/Makefile.inc b/src/mainboard/asus/m5a88-v/Makefile.inc
deleted file mode 100644
index 7b6a8e6ce5..0000000000
--- a/src/mainboard/asus/m5a88-v/Makefile.inc
+++ /dev/null
@@ -1,16 +0,0 @@
-
-#SB800 CIMx share AGESA V5 lib code
-ifneq ($(CONFIG_CPU_AMD_AGESA),y)
- AGESA_ROOT ?= src/vendorcode/amd/agesa/f14
- romstage-y += ../../../../$(AGESA_ROOT)/../common/amdlib.c
- ramstage-y += ../../../../$(AGESA_ROOT)/../common/amdlib.c
-
- AGESA_INC := -I$(AGESA_ROOT)/ \
-	      -I$(AGESA_ROOT)/../common \
-	      -I$(AGESA_ROOT)/Include \
-	      -I$(AGESA_ROOT)/Proc/IDS/ \
-	      -I$(AGESA_ROOT)/Proc/CPU/ \
-	      -I$(AGESA_ROOT)/Proc/CPU/Family
-
- CFLAGS_common += $(AGESA_INC)
-endif
diff --git a/src/mainboard/asus/m5a88-v/mainboard.c b/src/mainboard/asus/m5a88-v/mainboard.c
index 941ba26afe..3e20044e68 100644
--- a/src/mainboard/asus/m5a88-v/mainboard.c
+++ b/src/mainboard/asus/m5a88-v/mainboard.c
@@ -20,8 +20,6 @@
 #include <cpu/x86/msr.h>
 #include <cpu/amd/mtrr.h>
 #include <device/pci_def.h>
-#include "SBPLATFORM.h"
-
 
 u8 is_dev3_present(void);
 void set_pcie_dereset(void);
@@ -34,14 +32,14 @@ void enable_int_gfx(void)
 	volatile u8 *gpio_reg;
 
 	/* make sure the MMIO(fed80000) is accessible */
-	RWPMIO(SB_PMIOA_REG24, AccWidthUint8, ~(BIT0), BIT0);
+	// FIXME: RWPMIO(SB_PMIOA_REG24, AccWidthUint8, ~(BIT0), BIT0);
 
-	gpio_reg = (volatile u8 *)ACPI_MMIO_BASE + 0xD00; /* IoMux Register */
+	gpio_reg = (volatile u8 *)0xFED80000 + 0xD00; /* IoMux Register */
 
 	*(gpio_reg + 0x6) = 0x1; /* Int_vga_en */
 	*(gpio_reg + 170) = 0x1; /* gpio_gate */
 
-	gpio_reg = (volatile u8 *)ACPI_MMIO_BASE + 0x100; /* GPIO Registers */
+	gpio_reg = (volatile u8 *)0xFED80000 + 0x100; /* GPIO Registers */
 
 	*(gpio_reg + 0x6) = 0x8;
 	*(gpio_reg + 170) = 0x0;
diff --git a/src/mainboard/asus/m5a88-v/mptable.c b/src/mainboard/asus/m5a88-v/mptable.c
index 5216783a31..7df8be3e32 100644
--- a/src/mainboard/asus/m5a88-v/mptable.c
+++ b/src/mainboard/asus/m5a88-v/mptable.c
@@ -20,7 +20,6 @@
 #include <string.h>
 #include <stdint.h>
 #include <cpu/amd/amdfam10_sysconf.h>
-#include <SBPLATFORM.h>
 
 extern int bus_isa;
 extern u8 bus_rs780[11];
@@ -42,7 +41,7 @@ u8 intr_data[] = {
 static void *smp_write_config_table(void *v)
 {
 	struct mp_config_table *mc;
-	u32 dword;
+	u32 dword = 0;
 	u8 byte;
 
 	mc = (void *)(((char *)v) + SMP_FLOATING_TABLE_LEN);
@@ -56,7 +55,7 @@ static void *smp_write_config_table(void *v)
 	mptable_write_buses(mc, NULL, &bus_isa);
 
 	/* I/O APICs:   APIC ID Version State   Address */
-	ReadPMIO(SB_PMIOA_REG34, AccWidthUint32, &dword);
+	// FIXME: ReadPMIO(SB_PMIOA_REG34, AccWidthUint32, &dword);
 	dword &= 0xFFFFFFF0;
 	smp_write_ioapic(mc, apicid_sb800, 0x11,(void *) dword);
 
diff --git a/src/mainboard/asus/m5a88-v/romstage.c b/src/mainboard/asus/m5a88-v/romstage.c
index 28867ee12f..d11f98a039 100644
--- a/src/mainboard/asus/m5a88-v/romstage.c
+++ b/src/mainboard/asus/m5a88-v/romstage.c
@@ -17,7 +17,6 @@
 #define SYSTEM_TYPE 1	/* DESKTOP */
 //#define SYSTEM_TYPE 2	/* MOBILE */
 
-//used by incoherent_ht
 #define FAM10_SCAN_PCI_BUS 0
 #define FAM10_ALLOCATE_IO_RANGE 0
 
@@ -32,42 +31,43 @@
 #include <console/console.h>
 #include <timestamp.h>
 #include <cpu/amd/model_10xxx_rev.h>
-#include <northbridge/amd/amdfam10/raminit.h>
-#include <northbridge/amd/amdfam10/amdfam10.h>
 #include <cpu/x86/lapic.h>
-#include "northbridge/amd/amdfam10/reset_test.c"
 #include <commonlib/loglevel.h>
 #include <cpu/x86/bist.h>
 #include <superio/ite/common/ite.h>
 #include <superio/ite/it8721f/it8721f.h>
 #include <cpu/amd/mtrr.h>
-#include "northbridge/amd/amdfam10/setup_resource_map.c"
+#include <cpu/amd/car.h>
+#include <southbridge/amd/sb800/smbus.h>
+#include <northbridge/amd/amdfam10/raminit.h>
+#include <northbridge/amd/amdht/ht_wrapper.h>
+#include <cpu/amd/family_10h-family_15h/init_cpus.h>
+#include <arch/early_variables.h>
+#include <cbmem.h>
 #include "southbridge/amd/rs780/early_setup.c"
-#include <sb_cimx.h>
-#include <SBPLATFORM.h> /* SB OEM constants */
-#include <southbridge/amd/cimx/sb800/smbus.h>
-#include "northbridge/amd/amdfam10/debug.c"
+#include "southbridge/amd/sb800/early_setup.c"
+#include "spd.h"
+#include <reset.h>
+
+#include "resourcemap.c"
+#include "cpu/amd/quadcore/quadcore.c"
+
+#define SERIAL_DEV PNP_DEV(0x4e, IT8721F_SP1)
+
+void activate_spd_rom(const struct mem_controller *ctrl);
+int spd_read_byte(unsigned device, unsigned address);
+extern struct sys_info sysinfo_car;
 
-static void activate_spd_rom(const struct mem_controller *ctrl)
+void activate_spd_rom(const struct mem_controller *ctrl)
 {
 }
 
-static int spd_read_byte(u32 device, u32 address)
+int spd_read_byte(u32 device, u32 address)
 {
 	return do_smbus_read_byte(SMBUS_IO_BASE, device, address);
 }
 
-#include "northbridge/amd/amdfam10/raminit_sysinfo_in_ram.c"
-#include "northbridge/amd/amdfam10/pci.c"
-#include "resourcemap.c"
-#include "cpu/amd/quadcore/quadcore.c"
-#include <cpu/amd/microcode.h>
-#include "cpu/amd/family_10h-family_15h/init_cpus.c"
-#include "northbridge/amd/amdfam10/early_ht.c"
-#include "spd.h"
-#include <reset.h>
 
-#define SERIAL_DEV PNP_DEV(0x4e, IT8721F_SP1)
 void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 {
 	struct sys_info *sysinfo = &sysinfo_car;
@@ -86,7 +86,8 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 		enumerate_ht_chain();
 
 		//enable port80 decoding and southbridge poweron init
-		sb_Poweron_Init();
+		sb800_lpc_init();
+		sb800_pci_port80();
 	}
 
 	post_code(0x30);
@@ -157,12 +158,15 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 
 	/* run _early_setup before soft-reset. */
 	rs780_early_setup();
+	sb800_early_setup();
 
 #if CONFIG_SET_FIDVID
 	msr = rdmsr(0xc0010071);
 	printk(BIOS_DEBUG, "\nBegin FIDVID MSR 0xc0010071 0x%08x 0x%08x\n", msr.hi, msr.lo);
 	post_code(0x39);
 
+	enable_fid_change_on_sb(sysinfo->sbbusn, sysinfo->sbdn);
+
 	if (!warm_reset_detect(0)) {			// BSP is node 0
 		init_fidvid_bsp(bsp_apicid, sysinfo->nodes);
 	} else {
@@ -218,6 +222,7 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 //	die("After MCT init before CAR disabled.");
 
 	rs780_before_pci_init();
+	sb800_before_pci_init();
 
 	post_code(0x42);
 	post_cache_as_ram();	// BSP switch stack to ram, copy then execute LB.
diff --git a/src/mainboard/avalue/eax-785e/Kconfig b/src/mainboard/avalue/eax-785e/Kconfig
index 09a1d2de8c..3e835dae61 100644
--- a/src/mainboard/avalue/eax-785e/Kconfig
+++ b/src/mainboard/avalue/eax-785e/Kconfig
@@ -7,10 +7,9 @@ config BOARD_SPECIFIC_OPTIONS # dummy
 	select DIMM_REGISTERED
 	select NORTHBRIDGE_AMD_AMDFAM10
 	select SOUTHBRIDGE_AMD_RS780
-	select SOUTHBRIDGE_AMD_CIMX_SB800
+	select SOUTHBRIDGE_AMD_SB800
 	select SUPERIO_WINBOND_W83627HF #COM1, COM2
 	#select SUPERIO_FINTEK_F81216AD #COM3, COM4
-	select SB_SUPERIO_HWM
 	select HAVE_OPTION_TABLE
 	select HAVE_PIRQ_TABLE
 	select SB_HT_CHAIN_UNITID_OFFSET_ONLY
diff --git a/src/mainboard/avalue/eax-785e/Makefile.inc b/src/mainboard/avalue/eax-785e/Makefile.inc
deleted file mode 100644
index 7b6a8e6ce5..0000000000
--- a/src/mainboard/avalue/eax-785e/Makefile.inc
+++ /dev/null
@@ -1,16 +0,0 @@
-
-#SB800 CIMx share AGESA V5 lib code
-ifneq ($(CONFIG_CPU_AMD_AGESA),y)
- AGESA_ROOT ?= src/vendorcode/amd/agesa/f14
- romstage-y += ../../../../$(AGESA_ROOT)/../common/amdlib.c
- ramstage-y += ../../../../$(AGESA_ROOT)/../common/amdlib.c
-
- AGESA_INC := -I$(AGESA_ROOT)/ \
-	      -I$(AGESA_ROOT)/../common \
-	      -I$(AGESA_ROOT)/Include \
-	      -I$(AGESA_ROOT)/Proc/IDS/ \
-	      -I$(AGESA_ROOT)/Proc/CPU/ \
-	      -I$(AGESA_ROOT)/Proc/CPU/Family
-
- CFLAGS_common += $(AGESA_INC)
-endif
diff --git a/src/mainboard/avalue/eax-785e/mainboard.c b/src/mainboard/avalue/eax-785e/mainboard.c
index 1ff96b5715..dc1a1431d3 100644
--- a/src/mainboard/avalue/eax-785e/mainboard.c
+++ b/src/mainboard/avalue/eax-785e/mainboard.c
@@ -20,8 +20,6 @@
 #include <cpu/x86/msr.h>
 #include <cpu/amd/mtrr.h>
 #include <device/pci_def.h>
-#include "SBPLATFORM.h"
-
 
 u8 is_dev3_present(void);
 void set_pcie_dereset(void);
@@ -34,14 +32,14 @@ void enable_int_gfx(void)
 	volatile u8 *gpio_reg;
 
 	/* make sure the Acpi MMIO(fed80000) is accessible */
-        RWPMIO(SB_PMIOA_REG24, AccWidthUint8, ~(BIT0), BIT0);
+        // FIXME: RWPMIO(SB_PMIOA_REG24, AccWidthUint8, ~(BIT0), BIT0);
 
-	gpio_reg = (volatile u8 *)ACPI_MMIO_BASE + 0xD00; /* IoMux Register */
+	gpio_reg = (volatile u8 *)0xFED80000 + 0xD00; /* IoMux Register */
 
 	*(gpio_reg + 0x6) = 0x1; /* Int_vga_en */
 	*(gpio_reg + 170) = 0x1; /* gpio_gate */
 
-	gpio_reg = (volatile u8 *)ACPI_MMIO_BASE + 0x100; /* GPIO Registers */
+	gpio_reg = (volatile u8 *)0xFED80000 + 0x100; /* GPIO Registers */
 
 	*(gpio_reg + 0x6) = 0x8;
 	*(gpio_reg + 170) = 0x0;
diff --git a/src/mainboard/avalue/eax-785e/mptable.c b/src/mainboard/avalue/eax-785e/mptable.c
index 0b8a91b352..fb6de475b5 100644
--- a/src/mainboard/avalue/eax-785e/mptable.c
+++ b/src/mainboard/avalue/eax-785e/mptable.c
@@ -19,7 +19,6 @@
 #include <arch/io.h>
 #include <string.h>
 #include <stdint.h>
-#include <SBPLATFORM.h>
 #include <cpu/amd/amdfam10_sysconf.h>
 
 extern int bus_isa;
@@ -42,7 +41,7 @@ u8 intr_data[] = {
 static void *smp_write_config_table(void *v)
 {
 	struct mp_config_table *mc;
-	u32 dword;
+	u32 dword = 0;
 	u8 byte;
 
 	mc = (void *)(((char *)v) + SMP_FLOATING_TABLE_LEN);
@@ -56,7 +55,7 @@ static void *smp_write_config_table(void *v)
 	mptable_write_buses(mc, NULL, &bus_isa);
 
 	/* I/O APICs:   APIC ID Version State   Address */
-	ReadPMIO(SB_PMIOA_REG34, AccWidthUint32, &dword);
+	// FIXME: ReadPMIO(SB_PMIOA_REG34, AccWidthUint32, &dword);
 	dword &= 0xFFFFFFF0;
 
 	smp_write_ioapic(mc, apicid_sb800, 0x11,(void *) dword);
diff --git a/src/mainboard/avalue/eax-785e/romstage.c b/src/mainboard/avalue/eax-785e/romstage.c
index 821eaa70a2..464831066d 100644
--- a/src/mainboard/avalue/eax-785e/romstage.c
+++ b/src/mainboard/avalue/eax-785e/romstage.c
@@ -15,7 +15,6 @@
 
 #define SYSTEM_TYPE 1	/* SERVER=0, DESKTOP=1, MOBILE=2 */
 
-/* used by incoherent_ht */
 #define FAM10_SCAN_PCI_BUS 0
 #define FAM10_ALLOCATE_IO_RANGE 0
 
@@ -30,44 +29,43 @@
 #include <console/console.h>
 #include <timestamp.h>
 #include <cpu/amd/model_10xxx_rev.h>
-#include <northbridge/amd/amdfam10/raminit.h>
-#include <northbridge/amd/amdfam10/amdfam10.h>
 #include <cpu/x86/lapic.h>
-#include "northbridge/amd/amdfam10/reset_test.c"
 #include <commonlib/loglevel.h>
 #include <cpu/x86/bist.h>
 #include <superio/winbond/common/winbond.h>
 #include <superio/winbond/w83627hf/w83627hf.h>
 #include <cpu/amd/mtrr.h>
-#include "northbridge/amd/amdfam10/setup_resource_map.c"
+#include <cpu/amd/car.h>
+#include <southbridge/amd/sb800/smbus.h>
+#include <northbridge/amd/amdfam10/raminit.h>
+#include <northbridge/amd/amdht/ht_wrapper.h>
+#include <cpu/amd/family_10h-family_15h/init_cpus.h>
+#include <arch/early_variables.h>
+#include <cbmem.h>
+#include "spd.h"
+#include <reset.h>
 #include "southbridge/amd/rs780/early_setup.c"
-#include <sb_cimx.h>
-#include <SBPLATFORM.h> /* SB OEM constants */
-#include <southbridge/amd/cimx/sb800/smbus.h>
-#include "northbridge/amd/amdfam10/debug.c"
+#include "southbridge/amd/sb800/early_setup.c"
+
+#include "resourcemap.c"
+#include "cpu/amd/quadcore/quadcore.c"
 
 #define SERIAL_DEV PNP_DEV(0x2e, W83627HF_SP1)
 #define CLK_DEV PNP_DEV(0x2e, W83627HF_SP1)
 
-static void activate_spd_rom(const struct mem_controller *ctrl)
+void activate_spd_rom(const struct mem_controller *ctrl);
+int spd_read_byte(unsigned device, unsigned address);
+extern struct sys_info sysinfo_car;
+
+void activate_spd_rom(const struct mem_controller *ctrl)
 {
 }
 
-static int spd_read_byte(u32 device, u32 address)
+int spd_read_byte(u32 device, u32 address)
 {
 	return do_smbus_read_byte(SMBUS_IO_BASE, device, address);
 }
 
-#include "northbridge/amd/amdfam10/raminit_sysinfo_in_ram.c"
-#include "northbridge/amd/amdfam10/pci.c"
-#include "resourcemap.c"
-#include "cpu/amd/quadcore/quadcore.c"
-#include <cpu/amd/microcode.h>
-#include "cpu/amd/family_10h-family_15h/init_cpus.c"
-#include "northbridge/amd/amdfam10/early_ht.c"
-#include "spd.h"
-#include <reset.h>
-
 void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 {
 	struct sys_info *sysinfo = &sysinfo_car;
@@ -86,7 +84,8 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 		enumerate_ht_chain();
 
 		/*enable port80 decoding and southbridge poweron init */
-		sb_Poweron_Init();
+		sb800_lpc_init();
+		sb800_pci_port80();
 	}
 
 	post_code(0x30);
@@ -157,12 +156,15 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 
 	/* run _early_setup before soft-reset. */
 	rs780_early_setup();
+	sb800_early_setup();
 
 #if CONFIG_SET_FIDVID
 	msr = rdmsr(0xc0010071);
 	printk(BIOS_DEBUG, "\nBegin FIDVID MSR 0xc0010071 0x%08x 0x%08x\n", msr.hi, msr.lo);
 	post_code(0x39);
 
+	enable_fid_change_on_sb(sysinfo->sbbusn, sysinfo->sbdn);
+
 	if (!warm_reset_detect(0)) {			/* BSP is node 0 */
 		init_fidvid_bsp(bsp_apicid, sysinfo->nodes);
 	} else {
@@ -204,6 +206,7 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 	amdmct_cbmem_store_info(sysinfo);
 
 	rs780_before_pci_init();
+	sb800_before_pci_init();
 
 	post_code(0x42);
 	post_cache_as_ram();	/* BSP switch stack to ram, copy then execute LB. */
diff --git a/src/mainboard/broadcom/blast/romstage.c b/src/mainboard/broadcom/blast/romstage.c
index 33d939a71a..158e612519 100644
--- a/src/mainboard/broadcom/blast/romstage.c
+++ b/src/mainboard/broadcom/blast/romstage.c
@@ -17,11 +17,11 @@
 #include <superio/nsc/pc87417/pc87417.h>
 #include <cpu/x86/bist.h>
 #include "northbridge/amd/amdk8/setup_resource_map.c"
-#include "southbridge/broadcom/bcm5785/early_setup.c"
 
 #define SERIAL_DEV PNP_DEV(0x2e, PC87417_SP1)
 #define RTC_DEV PNP_DEV(0x2e, PC87417_RTC)
 
+unsigned get_sbdn(unsigned bus);
 static void memreset_setup(void) { }
 static void memreset(int controllers, const struct mem_controller *ctrl) { }
 
@@ -37,6 +37,7 @@ static inline int spd_read_byte(unsigned device, unsigned address)
 	return smbus_read_byte(device, address);
 }
 
+#include "southbridge/broadcom/bcm5785/early_setup.c"
 #include "northbridge/amd/amdk8/raminit.c"
 #include "northbridge/amd/amdk8/coherent_ht.c"
 #include "lib/generic_sdram.c"
diff --git a/src/mainboard/gigabyte/m57sli/romstage.c b/src/mainboard/gigabyte/m57sli/romstage.c
index b12b12ca0c..d42ccc7570 100644
--- a/src/mainboard/gigabyte/m57sli/romstage.c
+++ b/src/mainboard/gigabyte/m57sli/romstage.c
@@ -36,11 +36,23 @@
 #include <cpu/x86/bist.h>
 #include "northbridge/amd/amdk8/debug.c"
 #include "northbridge/amd/amdk8/setup_resource_map.c"
-#include "southbridge/nvidia/mcp55/early_ctrl.c"
 
 #define SERIAL_DEV PNP_DEV(0x2e, IT8716F_SP1)
 #define CLKIN_DEV PNP_DEV(0x2e, IT8716F_GPIO)
 
+unsigned get_sbdn(unsigned bus);
+
+unsigned get_sbdn(unsigned bus)
+{
+	pci_devfn_t dev;
+
+	/* Find the device. */
+	dev = pci_locate_device_on_bus(PCI_ID(PCI_VENDOR_ID_NVIDIA,
+				       PCI_DEVICE_ID_NVIDIA_MCP55_HT), bus);
+
+	return (dev >> 15) & 0x1f;
+}
+
 static void memreset(int controllers, const struct mem_controller *ctrl) { }
 static void activate_spd_rom(const struct mem_controller *ctrl) { }
 
@@ -57,6 +69,7 @@ static inline int spd_read_byte(unsigned device, unsigned address)
         RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+59, 0x00, 0x60,/* GPIP60 FANCTL0 */ \
         RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+60, 0x00, 0x60,/* GPIO61 FANCTL1 */
 
+#include "southbridge/nvidia/mcp55/early_ctrl.c"
 #include <southbridge/nvidia/mcp55/early_setup_ss.h>
 #include "southbridge/nvidia/mcp55/early_setup_car.c"
 #include <northbridge/amd/amdk8/f.h>
diff --git a/src/mainboard/gigabyte/ma785gm/romstage.c b/src/mainboard/gigabyte/ma785gm/romstage.c
index 06eaa8cefc..2e22556b17 100644
--- a/src/mainboard/gigabyte/ma785gm/romstage.c
+++ b/src/mainboard/gigabyte/ma785gm/romstage.c
@@ -27,43 +27,41 @@
 #include <console/console.h>
 #include <timestamp.h>
 #include <cpu/amd/model_10xxx_rev.h>
-#include <northbridge/amd/amdfam10/raminit.h>
-#include <northbridge/amd/amdfam10/amdfam10.h>
 #include <lib.h>
 #include <cpu/x86/lapic.h>
-#include "northbridge/amd/amdfam10/reset_test.c"
 #include <commonlib/loglevel.h>
 #include <cpu/x86/bist.h>
 #include <superio/ite/common/ite.h>
 #include <superio/ite/it8718f/it8718f.h>
 #include <cpu/amd/mtrr.h>
-#include "northbridge/amd/amdfam10/setup_resource_map.c"
-#include "southbridge/amd/rs780/early_setup.c"
+#include <cpu/amd/car.h>
 #include <southbridge/amd/sb700/sb700.h>
 #include <southbridge/amd/sb700/smbus.h>
-#include "northbridge/amd/amdfam10/debug.c"
+#include <northbridge/amd/amdfam10/raminit.h>
+#include <northbridge/amd/amdht/ht_wrapper.h>
+#include <cpu/amd/family_10h-family_15h/init_cpus.h>
+#include <arch/early_variables.h>
+#include <cbmem.h>
+#include <spd.h>
+#include "southbridge/amd/rs780/early_setup.c"
+
+#include "resourcemap.c"
+#include "cpu/amd/quadcore/quadcore.c"
 
 #define SERIAL_DEV PNP_DEV(0x2e, IT8718F_SP1)
 #define GPIO_DEV PNP_DEV(0x2e, IT8718F_GPIO)
 
-static void activate_spd_rom(const struct mem_controller *ctrl) { }
+void activate_spd_rom(const struct mem_controller *ctrl);
+int spd_read_byte(unsigned device, unsigned address);
+extern struct sys_info sysinfo_car;
+
+void activate_spd_rom(const struct mem_controller *ctrl) { }
 
-static int spd_read_byte(u32 device, u32 address)
+int spd_read_byte(u32 device, u32 address)
 {
 	return do_smbus_read_byte(SMBUS_IO_BASE, device, address);
 }
 
-#include <northbridge/amd/amdfam10/amdfam10.h>
-#include "northbridge/amd/amdfam10/raminit_sysinfo_in_ram.c"
-#include "northbridge/amd/amdfam10/pci.c"
-#include "resourcemap.c"
-#include "cpu/amd/quadcore/quadcore.c"
-#include <cpu/amd/microcode.h>
-
-#include "cpu/amd/family_10h-family_15h/init_cpus.c"
-#include "northbridge/amd/amdfam10/early_ht.c"
-#include <spd.h>
-
 void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 {
 	struct sys_info *sysinfo = &sysinfo_car;
diff --git a/src/mainboard/gigabyte/ma785gmt/romstage.c b/src/mainboard/gigabyte/ma785gmt/romstage.c
index 860b1f1070..bf51e38238 100644
--- a/src/mainboard/gigabyte/ma785gmt/romstage.c
+++ b/src/mainboard/gigabyte/ma785gmt/romstage.c
@@ -27,43 +27,41 @@
 #include <console/console.h>
 #include <timestamp.h>
 #include <cpu/amd/model_10xxx_rev.h>
-#include <northbridge/amd/amdfam10/raminit.h>
-#include <northbridge/amd/amdfam10/amdfam10.h>
 #include <lib.h>
 #include <cpu/x86/lapic.h>
-#include "northbridge/amd/amdfam10/reset_test.c"
 #include <commonlib/loglevel.h>
 #include <cpu/x86/bist.h>
 #include <superio/ite/common/ite.h>
 #include <superio/ite/it8718f/it8718f.h>
 #include <cpu/amd/mtrr.h>
-#include "northbridge/amd/amdfam10/setup_resource_map.c"
-#include "southbridge/amd/rs780/early_setup.c"
+#include <cpu/amd/car.h>
 #include <southbridge/amd/sb700/sb700.h>
 #include <southbridge/amd/sb700/smbus.h>
-#include "northbridge/amd/amdfam10/debug.c"
+#include <northbridge/amd/amdfam10/raminit.h>
+#include <northbridge/amd/amdht/ht_wrapper.h>
+#include <cpu/amd/family_10h-family_15h/init_cpus.h>
+#include <arch/early_variables.h>
+#include <cbmem.h>
+#include <spd.h>
+#include "southbridge/amd/rs780/early_setup.c"
+
+#include "resourcemap.c"
+#include "cpu/amd/quadcore/quadcore.c"
 
 #define SERIAL_DEV PNP_DEV(0x2e, IT8718F_SP1)
 #define GPIO_DEV PNP_DEV(0x2e, IT8718F_GPIO)
 
-static void activate_spd_rom(const struct mem_controller *ctrl) { }
+void activate_spd_rom(const struct mem_controller *ctrl);
+int spd_read_byte(unsigned device, unsigned address);
+extern struct sys_info sysinfo_car;
+
+void activate_spd_rom(const struct mem_controller *ctrl) { }
 
-static int spd_read_byte(u32 device, u32 address)
+int spd_read_byte(u32 device, u32 address)
 {
 	return do_smbus_read_byte(SMBUS_IO_BASE, device, address);
 }
 
-#include <northbridge/amd/amdfam10/amdfam10.h>
-#include "northbridge/amd/amdfam10/raminit_sysinfo_in_ram.c"
-#include "northbridge/amd/amdfam10/pci.c"
-#include "resourcemap.c"
-#include "cpu/amd/quadcore/quadcore.c"
-#include <cpu/amd/microcode.h>
-
-#include "cpu/amd/family_10h-family_15h/init_cpus.c"
-#include "northbridge/amd/amdfam10/early_ht.c"
-#include <spd.h>
-
 void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 {
 	struct sys_info *sysinfo = &sysinfo_car;
diff --git a/src/mainboard/gigabyte/ma78gm/romstage.c b/src/mainboard/gigabyte/ma78gm/romstage.c
index 9efda6f547..1405507a7f 100644
--- a/src/mainboard/gigabyte/ma78gm/romstage.c
+++ b/src/mainboard/gigabyte/ma78gm/romstage.c
@@ -17,7 +17,6 @@
 #define SYSTEM_TYPE 1	/* DESKTOP */
 //#define SYSTEM_TYPE 2	/* MOBILE */
 
-//used by incoherent_ht
 #define FAM10_SCAN_PCI_BUS 0
 #define FAM10_ALLOCATE_IO_RANGE 0
 
@@ -31,43 +30,41 @@
 #include <console/console.h>
 #include <timestamp.h>
 #include <cpu/amd/model_10xxx_rev.h>
-#include <northbridge/amd/amdfam10/raminit.h>
-#include <northbridge/amd/amdfam10/amdfam10.h>
 #include <lib.h>
 #include <cpu/x86/lapic.h>
-#include "northbridge/amd/amdfam10/reset_test.c"
 #include <commonlib/loglevel.h>
 #include <cpu/x86/bist.h>
 #include <superio/ite/common/ite.h>
 #include <superio/ite/it8718f/it8718f.h>
 #include <cpu/amd/mtrr.h>
-#include "northbridge/amd/amdfam10/setup_resource_map.c"
-#include "southbridge/amd/rs780/early_setup.c"
+#include <cpu/amd/car.h>
 #include <southbridge/amd/sb700/sb700.h>
 #include <southbridge/amd/sb700/smbus.h>
-#include "northbridge/amd/amdfam10/debug.c"
+#include <spd.h>
+#include <northbridge/amd/amdfam10/raminit.h>
+#include <northbridge/amd/amdht/ht_wrapper.h>
+#include <cpu/amd/family_10h-family_15h/init_cpus.h>
+#include <arch/early_variables.h>
+#include <cbmem.h>
+#include "southbridge/amd/rs780/early_setup.c"
+
+#include "resourcemap.c"
+#include "cpu/amd/quadcore/quadcore.c"
 
 #define SERIAL_DEV PNP_DEV(0x2e, IT8718F_SP1)
 #define GPIO_DEV PNP_DEV(0x2e, IT8718F_GPIO)
 
-static void activate_spd_rom(const struct mem_controller *ctrl) { }
+void activate_spd_rom(const struct mem_controller *ctrl);
+int spd_read_byte(unsigned device, unsigned address);
+extern struct sys_info sysinfo_car;
+
+void activate_spd_rom(const struct mem_controller *ctrl) { }
 
-static int spd_read_byte(u32 device, u32 address)
+int spd_read_byte(u32 device, u32 address)
 {
 	return do_smbus_read_byte(SMBUS_IO_BASE, device, address);
 }
 
-#include <northbridge/amd/amdfam10/amdfam10.h>
-#include "northbridge/amd/amdfam10/raminit_sysinfo_in_ram.c"
-#include "northbridge/amd/amdfam10/pci.c"
-#include "resourcemap.c"
-#include "cpu/amd/quadcore/quadcore.c"
-#include <cpu/amd/microcode.h>
-
-#include "cpu/amd/family_10h-family_15h/init_cpus.c"
-#include "northbridge/amd/amdfam10/early_ht.c"
-#include <spd.h>
-
 void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 {
 	struct sys_info *sysinfo = &sysinfo_car;
diff --git a/src/mainboard/hp/dl145_g1/romstage.c b/src/mainboard/hp/dl145_g1/romstage.c
index ea0b60c525..4ec6a8718c 100644
--- a/src/mainboard/hp/dl145_g1/romstage.c
+++ b/src/mainboard/hp/dl145_g1/romstage.c
@@ -20,10 +20,11 @@
 #include <superio/winbond/common/winbond.h>
 #include <superio/winbond/w83627hf/w83627hf.h>
 #include <cpu/x86/bist.h>
-#include "southbridge/amd/amd8111/early_ctrl.c"
 
 #define SERIAL_DEV PNP_DEV(0x2e, W83627HF_SP1)
 
+unsigned get_sbdn(unsigned bus);
+
 static void memreset_setup(void)
 {
 	if (is_cpu_pre_c0()) {
@@ -79,6 +80,7 @@ static inline int spd_read_byte(unsigned device, unsigned address)
 	return smbus_read_byte(device, address);
 }
 
+#include "southbridge/amd/amd8111/early_ctrl.c"
 #include "northbridge/amd/amdk8/incoherent_ht.c"
 #include "northbridge/amd/amdk8/raminit.c"
 #include "resourcemap.c"
diff --git a/src/mainboard/hp/dl145_g3/romstage.c b/src/mainboard/hp/dl145_g3/romstage.c
index 1d1195a82c..e7a3b2f36e 100644
--- a/src/mainboard/hp/dl145_g3/romstage.c
+++ b/src/mainboard/hp/dl145_g3/romstage.c
@@ -41,11 +41,12 @@
 #include <cpu/x86/bist.h>
 #include "northbridge/amd/amdk8/debug.c"
 #include "northbridge/amd/amdk8/setup_resource_map.c"
-#include "southbridge/broadcom/bcm5785/early_setup.c"
 
 #define SERIAL_DEV PNP_DEV(0x2e, PILOT_SP1)
 #define RTC_DEV PNP_DEV(0x4e, PC87417_RTC)
 
+unsigned get_sbdn(unsigned bus);
+
 static void memreset(int controllers, const struct mem_controller *ctrl) { }
 
 static inline void activate_spd_rom(const struct mem_controller *ctrl)
@@ -62,6 +63,7 @@ static inline int spd_read_byte(unsigned device, unsigned address)
 	 return smbus_read_byte(device, address);
 }
 
+#include "southbridge/broadcom/bcm5785/early_setup.c"
 #include <northbridge/amd/amdk8/f.h>
 #include "northbridge/amd/amdk8/incoherent_ht.c"
 #include "northbridge/amd/amdk8/coherent_ht.c"
diff --git a/src/mainboard/hp/dl165_g6_fam10/romstage.c b/src/mainboard/hp/dl165_g6_fam10/romstage.c
index 39cd0e339d..d282e34d0e 100644
--- a/src/mainboard/hp/dl165_g6_fam10/romstage.c
+++ b/src/mainboard/hp/dl165_g6_fam10/romstage.c
@@ -35,24 +35,32 @@
 #include <console/console.h>
 #include <timestamp.h>
 #include <cpu/amd/model_10xxx_rev.h>
-#include "southbridge/broadcom/bcm5785/early_smbus.c"
-#include <northbridge/amd/amdfam10/raminit.h>
-#include <northbridge/amd/amdfam10/amdfam10.h>
 #include <lib.h>
 #include <spd.h>
 #include <delay.h>
 #include <cpu/x86/lapic.h>
-#include "northbridge/amd/amdfam10/reset_test.c"
 #include <superio/serverengines/pilot/pilot.h>
 #include <superio/nsc/pc87417/pc87417.h>
 #include <cpu/x86/bist.h>
-#include "northbridge/amd/amdfam10/debug.c"
+#include <cpu/amd/car.h>
+#include <northbridge/amd/amdfam10/raminit.h>
+#include <northbridge/amd/amdht/ht_wrapper.h>
+#include <cpu/amd/family_10h-family_15h/init_cpus.h>
+#include <arch/early_variables.h>
+#include <cbmem.h>
+#include "southbridge/broadcom/bcm5785/early_smbus.c"
 #include "southbridge/broadcom/bcm5785/early_setup.c"
 
+#include "cpu/amd/quadcore/quadcore.c"
+
 #define SERIAL_DEV PNP_DEV(0x2e, PILOT_SP1)
 #define RTC_DEV PNP_DEV(0x4e, PC87417_RTC)
 
-static inline void activate_spd_rom(const struct mem_controller *ctrl)
+void activate_spd_rom(const struct mem_controller *ctrl);
+int spd_read_byte(unsigned device, unsigned address);
+extern struct sys_info sysinfo_car;
+
+inline void activate_spd_rom(const struct mem_controller *ctrl)
 {
 	u8 val;
 	outb(0x3d, 0x0cd6);
@@ -63,20 +71,11 @@ static inline void activate_spd_rom(const struct mem_controller *ctrl)
 	outb((val & ~3) | ctrl->spd_switch_addr, 0xcd7);
 }
 
-static inline int spd_read_byte(unsigned device, unsigned address)
+inline int spd_read_byte(unsigned device, unsigned address)
 {
 	return smbus_read_byte(device, address);
 }
 
-#include <northbridge/amd/amdfam10/amdfam10.h>
-#include "northbridge/amd/amdfam10/raminit_sysinfo_in_ram.c"
-#include "northbridge/amd/amdfam10/pci.c"
-#include "cpu/amd/quadcore/quadcore.c"
-#include <cpu/amd/microcode.h>
-
-#include "cpu/amd/family_10h-family_15h/init_cpus.c"
-#include "northbridge/amd/amdfam10/early_ht.c"
-
 static const u8 spd_addr[] = {
 	// switch addr, 1A addr, 2A addr, 3A addr, 4A addr, 1B addr, 2B addr, 3B addr 4B addr
 	//first node
diff --git a/src/mainboard/iei/kino-780am2-fam10/romstage.c b/src/mainboard/iei/kino-780am2-fam10/romstage.c
index 09e4ec7e2a..1731ef4c26 100644
--- a/src/mainboard/iei/kino-780am2-fam10/romstage.c
+++ b/src/mainboard/iei/kino-780am2-fam10/romstage.c
@@ -17,7 +17,6 @@
 #define SYSTEM_TYPE 1	/* DESKTOP */
 //#define SYSTEM_TYPE 2	/* MOBILE */
 
-//used by incoherent_ht
 #define FAM10_SCAN_PCI_BUS 0
 #define FAM10_ALLOCATE_IO_RANGE 0
 
@@ -31,42 +30,40 @@
 #include <console/console.h>
 #include <timestamp.h>
 #include <cpu/amd/model_10xxx_rev.h>
-#include <northbridge/amd/amdfam10/raminit.h>
-#include <northbridge/amd/amdfam10/amdfam10.h>
 #include <lib.h>
 #include <cpu/x86/lapic.h>
-#include "northbridge/amd/amdfam10/reset_test.c"
 #include <commonlib/loglevel.h>
 #include <cpu/x86/bist.h>
 #include <superio/fintek/common/fintek.h>
 #include <superio/fintek/f71859/f71859.h>
 #include <cpu/amd/mtrr.h>
-#include "northbridge/amd/amdfam10/setup_resource_map.c"
-#include "southbridge/amd/rs780/early_setup.c"
+#include <cpu/amd/car.h>
 #include <southbridge/amd/sb700/sb700.h>
 #include <southbridge/amd/sb700/smbus.h>
-#include "northbridge/amd/amdfam10/debug.c"
+#include <spd.h>
+#include <northbridge/amd/amdfam10/raminit.h>
+#include <northbridge/amd/amdht/ht_wrapper.h>
+#include <cpu/amd/family_10h-family_15h/init_cpus.h>
+#include <arch/early_variables.h>
+#include <cbmem.h>
+#include "southbridge/amd/rs780/early_setup.c"
+
+#include "resourcemap.c"
+#include "cpu/amd/quadcore/quadcore.c"
 
 #define SERIAL_DEV PNP_DEV(0x2e, F71859_SP1)
 
-static void activate_spd_rom(const struct mem_controller *ctrl) { }
+void activate_spd_rom(const struct mem_controller *ctrl);
+int spd_read_byte(unsigned device, unsigned address);
+extern struct sys_info sysinfo_car;
+
+void activate_spd_rom(const struct mem_controller *ctrl) { }
 
-static int spd_read_byte(u32 device, u32 address)
+int spd_read_byte(u32 device, u32 address)
 {
 	return do_smbus_read_byte(SMBUS_IO_BASE, device, address);
 }
 
-#include <northbridge/amd/amdfam10/amdfam10.h>
-#include "northbridge/amd/amdfam10/raminit_sysinfo_in_ram.c"
-#include "northbridge/amd/amdfam10/pci.c"
-#include "resourcemap.c"
-#include "cpu/amd/quadcore/quadcore.c"
-#include <cpu/amd/microcode.h>
-
-#include "cpu/amd/family_10h-family_15h/init_cpus.c"
-#include "northbridge/amd/amdfam10/early_ht.c"
-#include <spd.h>
-
 void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 {
 	struct sys_info *sysinfo = &sysinfo_car;
diff --git a/src/mainboard/iwill/dk8_htx/romstage.c b/src/mainboard/iwill/dk8_htx/romstage.c
index c1c141e822..9fbc80839c 100644
--- a/src/mainboard/iwill/dk8_htx/romstage.c
+++ b/src/mainboard/iwill/dk8_htx/romstage.c
@@ -16,10 +16,11 @@
 #include <superio/winbond/common/winbond.h>
 #include <superio/winbond/w83627hf/w83627hf.h>
 #include "northbridge/amd/amdk8/setup_resource_map.c"
-#include "southbridge/amd/amd8111/early_ctrl.c"
 
 #define SERIAL_DEV PNP_DEV(0x2e, W83627HF_SP1)
 
+unsigned get_sbdn(unsigned bus);
+
 /*
  * GPIO28 of 8111 will control H0_MEMRESET_L
  * GPIO29 of 8111 will control H1_MEMRESET_L
@@ -54,6 +55,7 @@ static inline int spd_read_byte(unsigned device, unsigned address)
 	return smbus_read_byte(device, address);
 }
 
+#include "southbridge/amd/amd8111/early_ctrl.c"
 #include <northbridge/amd/amdk8/amdk8.h>
 #include "northbridge/amd/amdk8/incoherent_ht.c"
 #include "northbridge/amd/amdk8/coherent_ht.c"
diff --git a/src/mainboard/jetway/pa78vm5/romstage.c b/src/mainboard/jetway/pa78vm5/romstage.c
index 43e88d1795..f540a73bde 100644
--- a/src/mainboard/jetway/pa78vm5/romstage.c
+++ b/src/mainboard/jetway/pa78vm5/romstage.c
@@ -18,7 +18,6 @@
 #define SYSTEM_TYPE 1	/* DESKTOP */
 //#define SYSTEM_TYPE 2	/* MOBILE */
 
-//used by incoherent_ht
 #define FAM10_SCAN_PCI_BUS 0
 #define FAM10_ALLOCATE_IO_RANGE 0
 
@@ -32,21 +31,26 @@
 #include <console/console.h>
 #include <timestamp.h>
 #include <cpu/amd/model_10xxx_rev.h>
-#include <northbridge/amd/amdfam10/raminit.h>
-#include <northbridge/amd/amdfam10/amdfam10.h>
 #include <lib.h>
 #include <cpu/x86/lapic.h>
-#include "northbridge/amd/amdfam10/reset_test.c"
 #include <commonlib/loglevel.h>
 #include <cpu/x86/bist.h>
 #include <superio/fintek/common/fintek.h>
 #include <superio/fintek/f71863fg/f71863fg.h>
 #include <cpu/amd/mtrr.h>
-#include "northbridge/amd/amdfam10/setup_resource_map.c"
-#include "southbridge/amd/rs780/early_setup.c"
+#include <cpu/amd/car.h>
 #include <southbridge/amd/sb700/sb700.h>
 #include <southbridge/amd/sb700/smbus.h>
-#include "northbridge/amd/amdfam10/debug.c"
+#include <spd.h>
+#include <northbridge/amd/amdfam10/raminit.h>
+#include <northbridge/amd/amdht/ht_wrapper.h>
+#include <cpu/amd/family_10h-family_15h/init_cpus.h>
+#include <arch/early_variables.h>
+#include <cbmem.h>
+#include "southbridge/amd/rs780/early_setup.c"
+
+#include "resourcemap.c"
+#include "cpu/amd/quadcore/quadcore.c"
 
 #if CONFIG_TTYS0_BASE == 0x2f8
 #define SERIAL_DEV PNP_DEV(0x2e, F71863FG_SP2)
@@ -54,24 +58,17 @@
 #define SERIAL_DEV PNP_DEV(0x2e, F71863FG_SP1)
 #endif
 
-static void activate_spd_rom(const struct mem_controller *ctrl) { }
+void activate_spd_rom(const struct mem_controller *ctrl);
+int spd_read_byte(unsigned device, unsigned address);
+extern struct sys_info sysinfo_car;
+
+void activate_spd_rom(const struct mem_controller *ctrl) { }
 
-static int spd_read_byte(u32 device, u32 address)
+int spd_read_byte(u32 device, u32 address)
 {
 	return do_smbus_read_byte(SMBUS_IO_BASE, device, address);
 }
 
-#include <northbridge/amd/amdfam10/amdfam10.h>
-#include "northbridge/amd/amdfam10/raminit_sysinfo_in_ram.c"
-#include "northbridge/amd/amdfam10/pci.c"
-#include "resourcemap.c"
-#include "cpu/amd/quadcore/quadcore.c"
-#include <cpu/amd/microcode.h>
-
-#include "cpu/amd/family_10h-family_15h/init_cpus.c"
-#include "northbridge/amd/amdfam10/early_ht.c"
-#include <spd.h>
-
 void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 {
 	struct sys_info *sysinfo = &sysinfo_car;
diff --git a/src/mainboard/msi/ms7260/romstage.c b/src/mainboard/msi/ms7260/romstage.c
index b3f9d4ef62..5b036d6631 100644
--- a/src/mainboard/msi/ms7260/romstage.c
+++ b/src/mainboard/msi/ms7260/romstage.c
@@ -38,10 +38,22 @@
 #include <cpu/x86/bist.h>
 #include "northbridge/amd/amdk8/debug.c"
 #include "northbridge/amd/amdk8/setup_resource_map.c"
-#include "southbridge/nvidia/mcp55/early_ctrl.c"
 
 #define SERIAL_DEV PNP_DEV(0x4e, W83627EHG_SP1)
 
+unsigned get_sbdn(unsigned bus);
+
+unsigned get_sbdn(unsigned bus)
+{
+	pci_devfn_t dev;
+
+	/* Find the device. */
+	dev = pci_locate_device_on_bus(PCI_ID(PCI_VENDOR_ID_NVIDIA,
+				       PCI_DEVICE_ID_NVIDIA_MCP55_HT), bus);
+
+	return (dev >> 15) & 0x1f;
+}
+
 static void memreset(int controllers, const struct mem_controller *ctrl) {}
 static inline void activate_spd_rom(const struct mem_controller *ctrl) {}
 
@@ -50,6 +62,7 @@ static inline int spd_read_byte(unsigned int device, unsigned int address)
 	return smbus_read_byte(device, address);
 }
 
+#include "southbridge/nvidia/mcp55/early_ctrl.c"
 #include <northbridge/amd/amdk8/f.h>
 #include "northbridge/amd/amdk8/incoherent_ht.c"
 #include "northbridge/amd/amdk8/coherent_ht.c"
diff --git a/src/mainboard/msi/ms9185/romstage.c b/src/mainboard/msi/ms9185/romstage.c
index 6f5ff3202c..db5242926a 100644
--- a/src/mainboard/msi/ms9185/romstage.c
+++ b/src/mainboard/msi/ms9185/romstage.c
@@ -39,11 +39,12 @@
 #include <superio/nsc/pc87417/pc87417.h>
 #include <cpu/x86/bist.h>
 #include "northbridge/amd/amdk8/setup_resource_map.c"
-#include "southbridge/broadcom/bcm5785/early_setup.c"
 
 #define SERIAL_DEV PNP_DEV(0x2e, PC87417_SP1)
 #define RTC_DEV PNP_DEV(0x2e, PC87417_RTC)
 
+unsigned get_sbdn(unsigned bus);
+
 static void memreset(int controllers, const struct mem_controller *ctrl) { }
 
 static inline void activate_spd_rom(const struct mem_controller *ctrl)
@@ -60,6 +61,7 @@ static inline int spd_read_byte(unsigned device, unsigned address)
 	return smbus_read_byte(device, address);
 }
 
+#include "southbridge/broadcom/bcm5785/early_setup.c"
 #include <northbridge/amd/amdk8/f.h>
 #include "northbridge/amd/amdk8/incoherent_ht.c"
 #include "northbridge/amd/amdk8/coherent_ht.c"
diff --git a/src/mainboard/msi/ms9282/romstage.c b/src/mainboard/msi/ms9282/romstage.c
index 7d360e3790..2dd1283bc7 100644
--- a/src/mainboard/msi/ms9282/romstage.c
+++ b/src/mainboard/msi/ms9282/romstage.c
@@ -39,10 +39,22 @@
 #include <spd.h>
 #include "northbridge/amd/amdk8/setup_resource_map.c"
 #include <device/pci_ids.h>
-#include "southbridge/nvidia/mcp55/early_ctrl.c"
 
 #define SERIAL_DEV PNP_DEV(0x2e, W83627EHG_SP1)
 
+unsigned get_sbdn(unsigned bus);
+
+unsigned get_sbdn(unsigned bus)
+{
+	pci_devfn_t dev;
+
+	/* Find the device. */
+	dev = pci_locate_device_on_bus(PCI_ID(PCI_VENDOR_ID_NVIDIA,
+				       PCI_DEVICE_ID_NVIDIA_MCP55_HT), bus);
+
+	return (dev >> 15) & 0x1f;
+}
+
 static void memreset(int controllers, const struct mem_controller *ctrl) { }
 
 static inline void activate_spd_rom(const struct mem_controller *ctrl)
@@ -59,6 +71,7 @@ static inline int spd_read_byte(unsigned device, unsigned address)
 	return smbus_read_byte(device, address);
 }
 
+#include "southbridge/nvidia/mcp55/early_ctrl.c"
 #include <northbridge/amd/amdk8/f.h>
 #include "northbridge/amd/amdk8/incoherent_ht.c"
 #include "northbridge/amd/amdk8/coherent_ht.c"
diff --git a/src/mainboard/msi/ms9652_fam10/romstage.c b/src/mainboard/msi/ms9652_fam10/romstage.c
index e22ec11b94..7e987a01b9 100644
--- a/src/mainboard/msi/ms9652_fam10/romstage.c
+++ b/src/mainboard/msi/ms9652_fam10/romstage.c
@@ -30,33 +30,46 @@
 #include <lib.h>
 #include <spd.h>
 #include <cpu/amd/model_10xxx_rev.h>
-#include "southbridge/nvidia/mcp55/early_smbus.c"
-#include <northbridge/amd/amdfam10/raminit.h>
-#include <northbridge/amd/amdfam10/amdfam10.h>
 #include <delay.h>
 #include <cpu/x86/lapic.h>
-#include "northbridge/amd/amdfam10/reset_test.c"
+#include <cpu/amd/car.h>
 #include <superio/winbond/common/winbond.h>
 #include <superio/winbond/w83627ehg/w83627ehg.h>
 #include <cpu/x86/bist.h>
-#include "northbridge/amd/amdfam10/debug.c"
-#include "northbridge/amd/amdfam10/setup_resource_map.c"
+#include <northbridge/amd/amdfam10/raminit.h>
+#include <northbridge/amd/amdht/ht_wrapper.h>
+#include <cpu/amd/family_10h-family_15h/init_cpus.h>
+#include <arch/early_variables.h>
+#include <cbmem.h>
+#include "southbridge/nvidia/mcp55/early_smbus.c"
 #include "southbridge/nvidia/mcp55/early_ctrl.c"
 
+#include "resourcemap.c"
+#include "cpu/amd/quadcore/quadcore.c"
+
 #define SERIAL_DEV PNP_DEV(0x2e, W83627EHG_SP1)
 
-static void activate_spd_rom(const struct mem_controller *ctrl) { }
+void activate_spd_rom(const struct mem_controller *ctrl);
+int spd_read_byte(unsigned device, unsigned address);
+extern struct sys_info sysinfo_car;
+
+void activate_spd_rom(const struct mem_controller *ctrl) { }
 
-static inline int spd_read_byte(unsigned device, unsigned address)
+inline int spd_read_byte(unsigned device, unsigned address)
 {
 	return smbus_read_byte(device, address);
 }
 
-#include <northbridge/amd/amdfam10/amdfam10.h>
-#include "northbridge/amd/amdfam10/raminit_sysinfo_in_ram.c"
-#include "northbridge/amd/amdfam10/pci.c"
-#include "resourcemap.c"
-#include "cpu/amd/quadcore/quadcore.c"
+unsigned get_sbdn(unsigned bus)
+{
+	pci_devfn_t dev;
+
+	/* Find the device. */
+	dev = pci_locate_device_on_bus(PCI_ID(PCI_VENDOR_ID_NVIDIA,
+				       PCI_DEVICE_ID_NVIDIA_MCP55_HT), bus);
+
+	return (dev >> 15) & 0x1f;
+}
 
 #define MCP55_MB_SETUP \
 	RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+37, 0x00, 0x44,/* GPIO38 PCI_REQ3 */ \
@@ -68,10 +81,6 @@ static inline int spd_read_byte(unsigned device, unsigned address)
 
 #include <southbridge/nvidia/mcp55/early_setup_ss.h>
 #include "southbridge/nvidia/mcp55/early_setup_car.c"
-#include <cpu/amd/microcode.h>
-
-#include "cpu/amd/family_10h-family_15h/init_cpus.c"
-#include "northbridge/amd/amdfam10/early_ht.c"
 
 static void sio_setup(void)
 {
diff --git a/src/mainboard/nvidia/l1_2pvv/romstage.c b/src/mainboard/nvidia/l1_2pvv/romstage.c
index d0966ee4fe..7228c3e185 100644
--- a/src/mainboard/nvidia/l1_2pvv/romstage.c
+++ b/src/mainboard/nvidia/l1_2pvv/romstage.c
@@ -37,10 +37,22 @@
 #include <cpu/x86/bist.h>
 #include "northbridge/amd/amdk8/debug.c"
 #include "northbridge/amd/amdk8/setup_resource_map.c"
-#include "southbridge/nvidia/mcp55/early_ctrl.c"
 
 #define SERIAL_DEV PNP_DEV(0x2e, W83627EHG_SP1)
 
+unsigned get_sbdn(unsigned bus);
+
+unsigned get_sbdn(unsigned bus)
+{
+	pci_devfn_t dev;
+
+	/* Find the device. */
+	dev = pci_locate_device_on_bus(PCI_ID(PCI_VENDOR_ID_NVIDIA,
+				       PCI_DEVICE_ID_NVIDIA_MCP55_HT), bus);
+
+	return (dev >> 15) & 0x1f;
+}
+
 static void memreset(int controllers, const struct mem_controller *ctrl) { }
 static void activate_spd_rom(const struct mem_controller *ctrl) { }
 
@@ -49,6 +61,7 @@ static inline int spd_read_byte(unsigned device, unsigned address)
 	return smbus_read_byte(device, address);
 }
 
+#include "southbridge/nvidia/mcp55/early_ctrl.c"
 #include <northbridge/amd/amdk8/f.h>
 #include "northbridge/amd/amdk8/incoherent_ht.c"
 #include "northbridge/amd/amdk8/coherent_ht.c"
diff --git a/src/mainboard/sunw/ultra40m2/romstage.c b/src/mainboard/sunw/ultra40m2/romstage.c
index a7489daa6b..51f5a85138 100644
--- a/src/mainboard/sunw/ultra40m2/romstage.c
+++ b/src/mainboard/sunw/ultra40m2/romstage.c
@@ -36,10 +36,22 @@
 #include <cpu/x86/bist.h>
 #include "northbridge/amd/amdk8/debug.c"
 #include "northbridge/amd/amdk8/setup_resource_map.c"
-#include "southbridge/nvidia/mcp55/early_ctrl.c"
 
 #define SERIAL_DEV PNP_DEV(0x2e, DME1737_SP1)
 
+unsigned get_sbdn(unsigned bus);
+
+unsigned get_sbdn(unsigned bus)
+{
+	pci_devfn_t dev;
+
+	/* Find the device. */
+	dev = pci_locate_device_on_bus(PCI_ID(PCI_VENDOR_ID_NVIDIA,
+				       PCI_DEVICE_ID_NVIDIA_MCP55_HT), bus);
+
+	return (dev >> 15) & 0x1f;
+}
+
 static void memreset(int controllers, const struct mem_controller *ctrl) { }
 static void activate_spd_rom(const struct mem_controller *ctrl) { }
 
@@ -48,6 +60,7 @@ static inline int spd_read_byte(unsigned device, unsigned address)
 	return smbus_read_byte(device, address);
 }
 
+#include "southbridge/nvidia/mcp55/early_ctrl.c"
 #include <northbridge/amd/amdk8/f.h>
 #include "northbridge/amd/amdk8/incoherent_ht.c"
 #include "northbridge/amd/amdk8/coherent_ht.c"
diff --git a/src/mainboard/supermicro/h8dme/romstage.c b/src/mainboard/supermicro/h8dme/romstage.c
index d85ae5ba68..7d3470f9cc 100644
--- a/src/mainboard/supermicro/h8dme/romstage.c
+++ b/src/mainboard/supermicro/h8dme/romstage.c
@@ -34,11 +34,23 @@
 #include <cpu/x86/bist.h>
 #include "northbridge/amd/amdk8/debug.c"
 #include "northbridge/amd/amdk8/setup_resource_map.c"
-#include "southbridge/nvidia/mcp55/early_ctrl.c"
 
 #define SERIAL_DEV PNP_DEV(0x2e, W83627HF_SP1)
 #define DUMMY_DEV PNP_DEV(0x2e, 0)
 
+unsigned get_sbdn(unsigned bus);
+
+unsigned get_sbdn(unsigned bus)
+{
+	pci_devfn_t dev;
+
+	/* Find the device. */
+	dev = pci_locate_device_on_bus(PCI_ID(PCI_VENDOR_ID_NVIDIA,
+				       PCI_DEVICE_ID_NVIDIA_MCP55_HT), bus);
+
+	return (dev >> 15) & 0x1f;
+}
+
 static void memreset(int controllers, const struct mem_controller *ctrl) { }
 
 static inline void activate_spd_rom(const struct mem_controller *ctrl)
@@ -58,6 +70,7 @@ static inline int spd_read_byte(unsigned device, unsigned address)
 	return smbus_read_byte(device, address);
 }
 
+#include "southbridge/nvidia/mcp55/early_ctrl.c"
 #include <northbridge/amd/amdk8/f.h>
 #include "northbridge/amd/amdk8/incoherent_ht.c"
 #include "northbridge/amd/amdk8/coherent_ht.c"
diff --git a/src/mainboard/supermicro/h8dmr/romstage.c b/src/mainboard/supermicro/h8dmr/romstage.c
index a7e69bd9b3..7986d50d68 100644
--- a/src/mainboard/supermicro/h8dmr/romstage.c
+++ b/src/mainboard/supermicro/h8dmr/romstage.c
@@ -37,11 +37,23 @@
 #include <cpu/x86/bist.h>
 #include "northbridge/amd/amdk8/debug.c"
 #include "northbridge/amd/amdk8/setup_resource_map.c"
-#include "southbridge/nvidia/mcp55/early_ctrl.c"
 
 #define SERIAL_DEV PNP_DEV(0x2e, W83627HF_SP1)
 #define DUMMY_DEV PNP_DEV(0x2e, 0)
 
+unsigned get_sbdn(unsigned bus);
+
+unsigned get_sbdn(unsigned bus)
+{
+	pci_devfn_t dev;
+
+	/* Find the device. */
+	dev = pci_locate_device_on_bus(PCI_ID(PCI_VENDOR_ID_NVIDIA,
+				       PCI_DEVICE_ID_NVIDIA_MCP55_HT), bus);
+
+	return (dev >> 15) & 0x1f;
+}
+
 static void memreset(int controllers, const struct mem_controller *ctrl) { }
 static void activate_spd_rom(const struct mem_controller *ctrl) { }
 
@@ -50,6 +62,7 @@ static inline int spd_read_byte(unsigned device, unsigned address)
 	return smbus_read_byte(device, address);
 }
 
+#include "southbridge/nvidia/mcp55/early_ctrl.c"
 #include <northbridge/amd/amdk8/f.h>
 #include "northbridge/amd/amdk8/incoherent_ht.c"
 #include "northbridge/amd/amdk8/coherent_ht.c"
diff --git a/src/mainboard/supermicro/h8dmr_fam10/romstage.c b/src/mainboard/supermicro/h8dmr_fam10/romstage.c
index 7766f3a5bf..26fba1406a 100644
--- a/src/mainboard/supermicro/h8dmr_fam10/romstage.c
+++ b/src/mainboard/supermicro/h8dmr_fam10/romstage.c
@@ -30,40 +30,50 @@
 #include <lib.h>
 #include <spd.h>
 #include <cpu/amd/model_10xxx_rev.h>
-#include "southbridge/nvidia/mcp55/early_smbus.c" // for enable the FAN
-#include <northbridge/amd/amdfam10/raminit.h>
-#include <northbridge/amd/amdfam10/amdfam10.h>
 #include <delay.h>
 #include <cpu/x86/lapic.h>
-#include "northbridge/amd/amdfam10/reset_test.c"
 #include <superio/winbond/common/winbond.h>
 #include <superio/winbond/w83627hf/w83627hf.h>
 #include <cpu/x86/bist.h>
-#include "northbridge/amd/amdfam10/debug.c"
-#include "northbridge/amd/amdfam10/setup_resource_map.c"
+#include <cpu/amd/car.h>
+#include <northbridge/amd/amdfam10/raminit.h>
+#include <northbridge/amd/amdht/ht_wrapper.h>
+#include <cpu/amd/family_10h-family_15h/init_cpus.h>
+#include <arch/early_variables.h>
+#include <cbmem.h>
+
+#include "southbridge/nvidia/mcp55/early_smbus.c" // for enable the FAN
 #include "southbridge/nvidia/mcp55/early_ctrl.c"
 
+#include "resourcemap.c"
+#include "cpu/amd/quadcore/quadcore.c"
+#include <southbridge/nvidia/mcp55/early_setup_ss.h>
+#include "southbridge/nvidia/mcp55/early_setup_car.c"
+
 #define SERIAL_DEV PNP_DEV(0x2e, W83627HF_SP1)
 #define DUMMY_DEV PNP_DEV(0x2e, 0)
 
-static void activate_spd_rom(const struct mem_controller *ctrl) { }
+void activate_spd_rom(const struct mem_controller *ctrl);
+int spd_read_byte(unsigned device, unsigned address);
+extern struct sys_info sysinfo_car;
+
+void activate_spd_rom(const struct mem_controller *ctrl) { }
 
-static inline int spd_read_byte(unsigned device, unsigned address)
+inline int spd_read_byte(unsigned device, unsigned address)
 {
 	return smbus_read_byte(device, address);
 }
 
-#include <northbridge/amd/amdfam10/amdfam10.h>
-#include "northbridge/amd/amdfam10/raminit_sysinfo_in_ram.c"
-#include "northbridge/amd/amdfam10/pci.c"
-#include "resourcemap.c"
-#include "cpu/amd/quadcore/quadcore.c"
-#include <southbridge/nvidia/mcp55/early_setup_ss.h>
-#include "southbridge/nvidia/mcp55/early_setup_car.c"
-#include <cpu/amd/microcode.h>
+unsigned get_sbdn(unsigned bus)
+{
+	pci_devfn_t dev;
 
-#include "cpu/amd/family_10h-family_15h/init_cpus.c"
-#include "northbridge/amd/amdfam10/early_ht.c"
+	/* Find the device. */
+	dev = pci_locate_device_on_bus(PCI_ID(PCI_VENDOR_ID_NVIDIA,
+				       PCI_DEVICE_ID_NVIDIA_MCP55_HT), bus);
+
+	return (dev >> 15) & 0x1f;
+}
 
 static void sio_setup(void)
 {
diff --git a/src/mainboard/supermicro/h8qme_fam10/romstage.c b/src/mainboard/supermicro/h8qme_fam10/romstage.c
index 25cf7d7d80..eedc9d08c8 100644
--- a/src/mainboard/supermicro/h8qme_fam10/romstage.c
+++ b/src/mainboard/supermicro/h8qme_fam10/romstage.c
@@ -30,47 +30,56 @@
 #include <lib.h>
 #include <spd.h>
 #include <cpu/amd/model_10xxx_rev.h>
-#include "southbridge/nvidia/mcp55/early_smbus.c" // for enable the FAN
-#include <northbridge/amd/amdfam10/raminit.h>
-#include <northbridge/amd/amdfam10/amdfam10.h>
 #include <delay.h>
 #include <cpu/x86/lapic.h>
-#include "northbridge/amd/amdfam10/reset_test.c"
 #include <superio/winbond/common/winbond.h>
 #include <superio/winbond/w83627hf/w83627hf.h>
 #include <cpu/x86/bist.h>
-#include "northbridge/amd/amdfam10/debug.c"
-#include "northbridge/amd/amdfam10/setup_resource_map.c"
+#include <cpu/amd/car.h>
+#include <northbridge/amd/amdfam10/raminit.h>
+#include <northbridge/amd/amdht/ht_wrapper.h>
+#include <cpu/amd/family_10h-family_15h/init_cpus.h>
+#include <arch/early_variables.h>
+#include <cbmem.h>
+#include "southbridge/nvidia/mcp55/early_smbus.c" // for enable the FAN
 #include "southbridge/nvidia/mcp55/early_ctrl.c"
 
+#include "resourcemap.c"
+#include "cpu/amd/quadcore/quadcore.c"
+#include <southbridge/nvidia/mcp55/early_setup_ss.h>
+#include "southbridge/nvidia/mcp55/early_setup_car.c"
+
 #define SERIAL_DEV PNP_DEV(0x2e, W83627HF_SP1)
 #define DUMMY_DEV PNP_DEV(0x2e, 0)
 
 #define SMBUS_SWITCH1 0x70
 #define SMBUS_SWITCH2 0x72
 
-static inline void activate_spd_rom(const struct mem_controller *ctrl)
+void activate_spd_rom(const struct mem_controller *ctrl);
+int spd_read_byte(unsigned device, unsigned address);
+extern struct sys_info sysinfo_car;
+
+inline void activate_spd_rom(const struct mem_controller *ctrl)
 {
 	smbus_send_byte(SMBUS_SWITCH1, 5 & 0x0f);
 	smbus_send_byte(SMBUS_SWITCH2, (5 >> 4) & 0x0f);
 }
 
-static inline int spd_read_byte(unsigned device, unsigned address)
+inline int spd_read_byte(unsigned device, unsigned address)
 {
 	return smbus_read_byte(device, address);
 }
 
-#include <northbridge/amd/amdfam10/amdfam10.h>
-#include "northbridge/amd/amdfam10/raminit_sysinfo_in_ram.c"
-#include "northbridge/amd/amdfam10/pci.c"
-#include "resourcemap.c"
-#include "cpu/amd/quadcore/quadcore.c"
-#include <southbridge/nvidia/mcp55/early_setup_ss.h>
-#include "southbridge/nvidia/mcp55/early_setup_car.c"
-#include <cpu/amd/microcode.h>
+unsigned get_sbdn(unsigned bus)
+{
+	pci_devfn_t dev;
 
-#include "cpu/amd/family_10h-family_15h/init_cpus.c"
-#include "northbridge/amd/amdfam10/early_ht.c"
+	/* Find the device. */
+	dev = pci_locate_device_on_bus(PCI_ID(PCI_VENDOR_ID_NVIDIA,
+				       PCI_DEVICE_ID_NVIDIA_MCP55_HT), bus);
+
+	return (dev >> 15) & 0x1f;
+}
 
 static void sio_setup(void)
 {
diff --git a/src/mainboard/supermicro/h8scm_fam10/romstage.c b/src/mainboard/supermicro/h8scm_fam10/romstage.c
index f2c79b4db1..091514d91a 100644
--- a/src/mainboard/supermicro/h8scm_fam10/romstage.c
+++ b/src/mainboard/supermicro/h8scm_fam10/romstage.c
@@ -17,7 +17,6 @@
 #define SYSTEM_TYPE 1	/* DESKTOP */
 //#define SYSTEM_TYPE 2	/* MOBILE */
 
-//used by incoherent_ht
 #define FAM10_SCAN_PCI_BUS 0
 #define FAM10_ALLOCATE_IO_RANGE 0
 
@@ -31,40 +30,39 @@
 #include <console/console.h>
 #include <timestamp.h>
 #include <cpu/amd/model_10xxx_rev.h>
-#include <northbridge/amd/amdfam10/raminit.h>
-#include <northbridge/amd/amdfam10/amdfam10.h>
 #include <lib.h>
 #include <cpu/x86/lapic.h>
-#include "northbridge/amd/amdfam10/reset_test.c"
 #include <commonlib/loglevel.h>
 #include <cpu/x86/bist.h>
 #include <cpu/amd/mtrr.h>
-#include "northbridge/amd/amdfam10/setup_resource_map.c"
+#include <cpu/amd/car.h>
 #include <southbridge/amd/sb700/sb700.h>
 #include <southbridge/amd/sb700/smbus.h>
 #include <southbridge/amd/sr5650/sr5650.h>
 #include <superio/nuvoton/wpcm450/wpcm450.h>
-#include "northbridge/amd/amdfam10/debug.c"
+#include <spd.h>
+#include <northbridge/amd/amdfam10/raminit.h>
+#include <northbridge/amd/amdht/ht_wrapper.h>
+#include <cpu/amd/family_10h-family_15h/init_cpus.h>
+#include <arch/early_variables.h>
+#include <cbmem.h>
+
+#include "resourcemap.c"
+#include "cpu/amd/quadcore/quadcore.c"
 
-static void activate_spd_rom(const struct mem_controller *ctrl)
+void activate_spd_rom(const struct mem_controller *ctrl);
+int spd_read_byte(unsigned device, unsigned address);
+extern struct sys_info sysinfo_car;
+
+void activate_spd_rom(const struct mem_controller *ctrl)
 {
 }
 
-static int spd_read_byte(u32 device, u32 address)
+int spd_read_byte(u32 device, u32 address)
 {
 	return do_smbus_read_byte(SMBUS_IO_BASE, device, address);
 }
 
-#include <northbridge/amd/amdfam10/amdfam10.h>
-#include "northbridge/amd/amdfam10/raminit_sysinfo_in_ram.c"
-#include "northbridge/amd/amdfam10/pci.c"
-#include "resourcemap.c"
-#include "cpu/amd/quadcore/quadcore.c"
-#include <cpu/amd/microcode.h>
-#include "cpu/amd/family_10h-family_15h/init_cpus.c"
-#include "northbridge/amd/amdfam10/early_ht.c"
-#include <spd.h>
-
 void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 {
 	struct sys_info *sysinfo = &sysinfo_car;
diff --git a/src/mainboard/tyan/s2912/romstage.c b/src/mainboard/tyan/s2912/romstage.c
index 8c012727fb..64caabeb37 100644
--- a/src/mainboard/tyan/s2912/romstage.c
+++ b/src/mainboard/tyan/s2912/romstage.c
@@ -37,10 +37,22 @@
 #include <cpu/x86/bist.h>
 #include "northbridge/amd/amdk8/debug.c"
 #include "northbridge/amd/amdk8/setup_resource_map.c"
-#include "southbridge/nvidia/mcp55/early_ctrl.c"
 
 #define SERIAL_DEV PNP_DEV(0x2e, W83627HF_SP1)
 
+unsigned get_sbdn(unsigned bus);
+
+unsigned get_sbdn(unsigned bus)
+{
+	pci_devfn_t dev;
+
+	/* Find the device. */
+	dev = pci_locate_device_on_bus(PCI_ID(PCI_VENDOR_ID_NVIDIA,
+				       PCI_DEVICE_ID_NVIDIA_MCP55_HT), bus);
+
+	return (dev >> 15) & 0x1f;
+}
+
 static void memreset(int controllers, const struct mem_controller *ctrl) { }
 static void activate_spd_rom(const struct mem_controller *ctrl) { }
 
@@ -49,6 +61,7 @@ static inline int spd_read_byte(unsigned device, unsigned address)
 	return smbus_read_byte(device, address);
 }
 
+#include "southbridge/nvidia/mcp55/early_ctrl.c"
 #include <northbridge/amd/amdk8/f.h>
 #include "northbridge/amd/amdk8/incoherent_ht.c"
 #include "northbridge/amd/amdk8/coherent_ht.c"
diff --git a/src/mainboard/tyan/s2912_fam10/romstage.c b/src/mainboard/tyan/s2912_fam10/romstage.c
index e095b7960e..4491df56ca 100644
--- a/src/mainboard/tyan/s2912_fam10/romstage.c
+++ b/src/mainboard/tyan/s2912_fam10/romstage.c
@@ -30,34 +30,36 @@
 #include <lib.h>
 #include <spd.h>
 #include <cpu/amd/model_10xxx_rev.h>
-#include "southbridge/nvidia/mcp55/early_smbus.c"
-#include <northbridge/amd/amdfam10/raminit.h>
-#include <northbridge/amd/amdfam10/amdfam10.h>
 #include <delay.h>
 #include <cpu/x86/lapic.h>
-#include "northbridge/amd/amdfam10/reset_test.c"
+#include <cpu/amd/car.h>
 #include <superio/winbond/common/winbond.h>
 #include <superio/winbond/w83627hf/w83627hf.h>
 #include <cpu/x86/bist.h>
-#include "northbridge/amd/amdfam10/debug.c"
-#include "northbridge/amd/amdfam10/setup_resource_map.c"
+#include <northbridge/amd/amdfam10/raminit.h>
+#include <northbridge/amd/amdht/ht_wrapper.h>
+#include <cpu/amd/family_10h-family_15h/init_cpus.h>
+#include <arch/early_variables.h>
+#include <cbmem.h>
+#include "southbridge/nvidia/mcp55/early_smbus.c"
 #include "southbridge/nvidia/mcp55/early_ctrl.c"
 
+#include "resourcemap.c"
+#include "cpu/amd/quadcore/quadcore.c"
+
 #define SERIAL_DEV PNP_DEV(0x2e, W83627HF_SP1)
 
-static void activate_spd_rom(const struct mem_controller *ctrl) { }
+void activate_spd_rom(const struct mem_controller *ctrl);
+int spd_read_byte(unsigned device, unsigned address);
+extern struct sys_info sysinfo_car;
+
+void activate_spd_rom(const struct mem_controller *ctrl) { }
 
-static inline int spd_read_byte(unsigned device, unsigned address)
+inline int spd_read_byte(unsigned device, unsigned address)
 {
 	return smbus_read_byte(device, address);
 }
 
-#include <northbridge/amd/amdfam10/amdfam10.h>
-#include "northbridge/amd/amdfam10/raminit_sysinfo_in_ram.c"
-#include "northbridge/amd/amdfam10/pci.c"
-#include "resourcemap.c"
-#include "cpu/amd/quadcore/quadcore.c"
-
 #define MCP55_MB_SETUP \
 	RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+37, 0x00, 0x44,/* GPIO38 PCI_REQ3 */ \
 	RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+38, 0x00, 0x44,/* GPIO39 PCI_GNT3 */ \
@@ -68,10 +70,17 @@ static inline int spd_read_byte(unsigned device, unsigned address)
 
 #include <southbridge/nvidia/mcp55/early_setup_ss.h>
 #include "southbridge/nvidia/mcp55/early_setup_car.c"
-#include <cpu/amd/microcode.h>
 
-#include "cpu/amd/family_10h-family_15h/init_cpus.c"
-#include "northbridge/amd/amdfam10/early_ht.c"
+unsigned get_sbdn(unsigned bus)
+{
+	pci_devfn_t dev;
+
+	/* Find the device. */
+	dev = pci_locate_device_on_bus(PCI_ID(PCI_VENDOR_ID_NVIDIA,
+				       PCI_DEVICE_ID_NVIDIA_MCP55_HT), bus);
+
+	return (dev >> 15) & 0x1f;
+}
 
 static void sio_setup(void)
 {