Addition of Family12/SB900 wrapper code

This change adds the wrapper code for the AMD Family12
cpus and the AMD Hudson-2 (SB900) southbridge to the cpu,
northbridge and southbridge folders respectively.

Change-Id: I22b6efe0017d0af03eaa36a1db1615e5f38da06c
Signed-off-by: Frank Vibrans <frank.vibrans@amd.com>
Signed-off-by: efdesign98 <efdesign98@gmail.com>
Reviewed-on: http://review.coreboot.org/53
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>

13 files changed, 1778 insertions, 1 deletions

diff --git a/src/northbridge/amd/Makefile.inc b/src/northbridge/amd/Makefile.inc
index aeb373e4b9..dfbed75fee 100644
--- a/src/northbridge/amd/Makefile.inc
+++ b/src/northbridge/amd/Makefile.inc
@@ -5,4 +5,5 @@ subdirs-$(CONFIG_NORTHBRIDGE_AMD_GX2) += gx2
 subdirs-$(CONFIG_NORTHBRIDGE_AMD_LX) += lx
 
 subdirs-$(CONFIG_AMD_AGESA) += agesa
-subdirs-$(CONFIG_AMD_AGESA) += ../../vendorcode/amd/agesa/f14
+subdirs-$(CONFIG_CPU_AMD_AGESA_FAMILY12) += ../../vendorcode/amd/agesa/f12
+subdirs-$(CONFIG_CPU_AMD_AGESA_FAMILY14) += ../../vendorcode/amd/agesa/f14
diff --git a/src/northbridge/amd/agesa/Kconfig b/src/northbridge/amd/agesa/Kconfig
index 8f282ecfb8..d5fde5766f 100644
--- a/src/northbridge/amd/agesa/Kconfig
+++ b/src/northbridge/amd/agesa/Kconfig
@@ -17,5 +17,6 @@
 # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
 #
 
+source src/northbridge/amd/agesa/family12/Kconfig
 source src/northbridge/amd/agesa/family14/Kconfig
 
diff --git a/src/northbridge/amd/agesa/Makefile.inc b/src/northbridge/amd/agesa/Makefile.inc
index eed0e05a41..96798fc840 100644
--- a/src/northbridge/amd/agesa/Makefile.inc
+++ b/src/northbridge/amd/agesa/Makefile.inc
@@ -16,4 +16,5 @@
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
 #
+subdirs-$(CONFIG_NORTHBRIDGE_AMD_AGESA_FAMILY12) += family12
 subdirs-$(CONFIG_NORTHBRIDGE_AMD_AGESA_FAMILY14) += family14
diff --git a/src/northbridge/amd/agesa/family12/Kconfig b/src/northbridge/amd/agesa/family12/Kconfig
new file mode 100755
index 0000000000..fc3c436cb9
--- /dev/null
+++ b/src/northbridge/amd/agesa/family12/Kconfig
@@ -0,0 +1,79 @@
+##
+## This file is part of the coreboot project.
+##
+## Copyright (C) 2007-2009 coresystems GmbH
+##
+## This program is free software; you can redistribute it and/or modify
+## it under the terms of the GNU General Public License as published by
+## the Free Software Foundation; version 2 of the License.
+##
+## This program is distributed in the hope that it will be useful,
+## but WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+## GNU General Public License for more details.
+##
+## You should have received a copy of the GNU General Public License
+## along with this program; if not, write to the Free Software
+## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+##
+config NORTHBRIDGE_AMD_AGESA_FAMILY12
+	bool
+	select HAVE_DEBUG_RAM_SETUP
+	select HAVE_DEBUG_SMBUS
+	select HYPERTRANSPORT_PLUGIN_SUPPORT
+	select MMCONF_SUPPORT
+	select NORTHBRIDGE_AMD_AGESA_FAMILY12_ROOT_COMPLEX
+
+config HT3_SUPPORT
+	bool
+	default y
+	depends on NORTHBRIDGE_AMD_AGESA_FAMILY12
+
+config HW_MEM_HOLE_SIZEK
+	hex
+	default 0x100000
+	depends on NORTHBRIDGE_AMD_AGESA_FAMILY12
+
+config HW_MEM_HOLE_SIZE_AUTO_INC
+	bool
+	default n
+	depends on NORTHBRIDGE_AMD_AGESA_FAMILY12
+
+config MMCONF_BASE_ADDRESS
+	hex
+	default 0xe0000000
+  depends on NORTHBRIDGE_AMD_AGESA_FAMILY12
+
+config MMCONF_BUS_NUMBER
+	int
+	default 256
+	depends on NORTHBRIDGE_AMD_AGESA_FAMILY12
+
+config DIMM_DDR3
+	bool
+	default n
+	depends on NORTHBRIDGE_AMD_AGESA_FAMILY12
+
+config DIMM_REGISTERED
+	bool
+	default n
+	depends on NORTHBRIDGE_AMD_AGESA_FAMILY12
+
+if !DIMM_REGISTERED
+	config DIMM_SUPPORT
+		hex
+		default 0x0004
+endif
+
+if DIMM_DDR3
+	if DIMM_REGISTERED
+	  config DIMM_SUPPORT
+		  hex
+		  default 0x0005
+	endif
+endif
+
+config BOOTBLOCK_NORTHBRIDGE_INIT
+  string
+  default "northbridge/amd/agesa/family12/bootblock.c"
+	depends on NORTHBRIDGE_AMD_AGESA_FAMILY12
diff --git a/src/northbridge/amd/agesa/family12/Makefile.inc b/src/northbridge/amd/agesa/family12/Makefile.inc
new file mode 100755
index 0000000000..3bda8d5cc4
--- /dev/null
+++ b/src/northbridge/amd/agesa/family12/Makefile.inc
@@ -0,0 +1,22 @@
+#
+# This file is part of the coreboot project.
+#
+# Copyright (C) 2011 Advanced Micro Devices, Inc.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; version 2 of the License.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+#
+ 
+driver-y += northbridge.c
+
+ramstage-$(CONFIG_GENERATE_ACPI_TABLES) += ssdt.asl
\ No newline at end of file
diff --git a/src/northbridge/amd/agesa/family12/amdfam12_conf.c b/src/northbridge/amd/agesa/family12/amdfam12_conf.c
new file mode 100755
index 0000000000..6ec4da9c9f
--- /dev/null
+++ b/src/northbridge/amd/agesa/family12/amdfam12_conf.c
@@ -0,0 +1,305 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2011 Advanced Micro Devices, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+/*
+ * No includes in this file because it is included into northbridge.c.
+ */
+
+struct dram_base_mask_t {
+	u32 base; //[47:27] at [28:8]
+	u32 mask; //[47:27] at [28:8] and enable at bit 0
+};
+
+static struct dram_base_mask_t get_dram_base_mask(u32 nodeid)
+{
+	device_t dev;
+	struct dram_base_mask_t d;
+#if defined(__PRE_RAM__)
+	dev = PCI_DEV(CONFIG_CBB, CONFIG_CDB, 1);
+#else
+	dev = __f1_dev[0];
+#endif	// defined(__PRE_RAM__)
+
+	u32 temp;
+	temp = pci_read_config32(dev, 0x44); //[39:24] at [31:16]
+	d.mask = (temp & 0xffff0000); // mask out  DramMask [26:24] too
+
+	temp = pci_read_config32(dev, 0x40); //[35:24] at [27:16]
+	d.mask |= (temp & 1); // read enable bit
+
+	d.base = (temp & 0x0fff0000); // mask out DramBase [26:24) too
+
+	return d;
+}
+
+#if CONFIG_EXT_CONF_SUPPORT
+static void set_addr_map_reg_4_6_in_one_node(u32 nodeid, u32 cfg_map_dest,
+						u32 busn_min, u32 busn_max,
+						u32 type)
+{
+	device_t dev;
+	u32 i;
+	u32 tempreg;
+	u32 index_min, index_max;
+	u32 dest_min, dest_max;
+	index_min = busn_min>>2; dest_min = busn_min - (index_min<<2);
+	index_max = busn_max>>2; dest_max = busn_max - (index_max<<2);
+
+	// three case: index_min==index_max, index_min+1=index_max; index_min+1<index_max
+#if defined(__PRE_RAM__)
+	dev = NODE_PCI(nodeid, 1);
+#else
+	dev = __f1_dev[nodeid];
+#endif	// defined(__PRE_RAM__)
+	if(index_min== index_max) {
+		pci_write_config32(dev, 0x110, index_min | (type<<28));
+		tempreg = pci_read_config32(dev, 0x114);
+		for(i=dest_min; i<=dest_max; i++) {
+			tempreg &= ~(0xff<<(i*8));
+			tempreg |= (cfg_map_dest<<(i*8));
+		}
+		pci_write_config32(dev, 0x110, index_min | (type<<28)); // do i need to write it again
+		pci_write_config32(dev, 0x114, tempreg);
+	} else if(index_min<index_max) {
+		pci_write_config32(dev, 0x110, index_min | (type<<28));
+		tempreg = pci_read_config32(dev, 0x114);
+		for(i=dest_min; i<=3; i++) {
+			tempreg &= ~(0xff<<(i*8));
+			tempreg |= (cfg_map_dest<<(i*8));
+		}
+		pci_write_config32(dev, 0x110, index_min | (type<<28)); // do i need to write it again
+		pci_write_config32(dev, 0x114, tempreg);
+
+		pci_write_config32(dev, 0x110, index_max | (type<<28));
+		tempreg = pci_read_config32(dev, 0x114);
+		for(i=0; i<=dest_max; i++) {
+			tempreg &= ~(0xff<<(i*8));
+			tempreg |= (cfg_map_dest<<(i*8));
+		}
+		pci_write_config32(dev, 0x110, index_max | (type<<28)); // do i need to write it again
+		pci_write_config32(dev, 0x114, tempreg);
+		if((index_max-index_min)>1) {
+			tempreg = 0;
+			for(i=0; i<=3; i++) {
+				tempreg &= ~(0xff<<(i*8));
+				tempreg |= (cfg_map_dest<<(i*8));
+			}
+			for(i=index_min+1; i<index_max;i++) {
+				pci_write_config32(dev, 0x110, i | (type<<28));
+				pci_write_config32(dev, 0x114, tempreg);
+			}
+		}
+	}
+}
+#endif	// CONFIG_EXT_CONF_SUPPORT
+
+#if defined(__PRE_RAM__)
+static void set_ht_c_io_addr_reg(u32 nodeid, u32 linkn, u32 ht_c_index,
+					u32 io_min, u32 io_max, u32 nodes)
+{
+	u32 i;
+	u32 tempreg;
+	device_t dev;
+
+#if CONFIG_EXT_CONF_SUPPORT
+	if(ht_c_index<4) {
+#endif
+		/* io range allocation */
+		tempreg = (nodeid&0xf) | ((nodeid & 0x30)<<(8-4)) | (linkn<<4) |  ((io_max&0xf0)<<(12-4)); //limit
+		for(i=0; i<nodes; i++) {
+			dev = NODE_PCI(i, 1);
+			pci_write_config32(dev, 0xC4 + ht_c_index * 8, tempreg);
+		}
+		tempreg = 3 /*| ( 3<<4)*/ | ((io_min&0xf0)<<(12-4));	     //base :ISA and VGA ?
+		for(i=0; i<nodes; i++){
+			dev = NODE_PCI(i, 1);
+			pci_write_config32(dev, 0xC0 + ht_c_index * 8, tempreg);
+		}
+#if CONFIG_EXT_CONF_SUPPORT
+		return;
+	}
+
+	u32 cfg_map_dest;
+	u32 j;
+
+	// if ht_c_index > 3, We should use extend space
+
+	if(io_min>io_max) return;
+
+	// for nodeid at first
+	cfg_map_dest = (1<<7) | (1<<6) | (linkn<<0);
+
+	set_addr_map_reg_4_6_in_one_node(nodeid, cfg_map_dest, io_min, io_max, 4);
+
+	// all other nodes
+	cfg_map_dest = (1<<7) | (0<<6) | (nodeid<<0);
+	for(j = 0; j< nodes; j++) {
+		if(j== nodeid) continue;
+		set_addr_map_reg_4_6_in_one_node(j,cfg_map_dest, io_min, io_max, 4);
+	}
+#endif	// CONFIG_EXT_CONF_SUPPORT
+}
+
+
+static void clear_ht_c_io_addr_reg(u32 nodeid, u32 linkn, u32 ht_c_index,
+					u32 io_min, u32 io_max, u32 nodes)
+{
+	u32 i;
+	device_t dev;
+#if CONFIG_EXT_CONF_SUPPORT
+	if(ht_c_index<4) {
+#endif
+		 /* io range allocation */
+		for(i=0; i<nodes; i++) {
+			dev = NODE_PCI(i, 1);
+			pci_write_config32(dev, 0xC4 + ht_c_index * 8, 0);
+			pci_write_config32(dev, 0xC0 + ht_c_index * 8, 0);
+		}
+#if CONFIG_EXT_CONF_SUPPORT
+		return;
+	}
+	// : if hc_c_index > 3, We should use io_min, io_max to clear extend space
+	u32 cfg_map_dest;
+	u32 j;
+
+
+	// all nodes
+	cfg_map_dest = 0;
+	for(j = 0; j< nodes; j++) {
+		set_addr_map_reg_4_6_in_one_node(j,cfg_map_dest, io_min, io_max, 4);
+	}
+#endif
+}
+#endif // defined(__PRE_RAM__)
+
+#if !defined(__PRE_RAM__)
+static u32 get_io_addr_index(u32 nodeid, u32 linkn)
+{
+#if 0
+	u32 index;
+
+	for(index=0; index<256; index++) {
+		if((sysconf.conf_io_addrx[index+4] == 0)){
+			sysconf.conf_io_addr[index+4] =  (nodeid & 0x3f)  ;
+			sysconf.conf_io_addrx[index+4] = 1 | ((linkn & 0x7)<<4);
+			return index;
+		 }
+	 }
+#endif
+	 return	 0;
+}
+
+static u32 get_mmio_addr_index(u32 nodeid, u32 linkn)
+{
+#if 0
+	u32 index;
+
+	for(index=0; index<64; index++) {
+		if((sysconf.conf_mmio_addrx[index+8] == 0)){
+			sysconf.conf_mmio_addr[index+8] = (nodeid & 0x3f) ;
+			sysconf.conf_mmio_addrx[index+8] = 1 | ((linkn & 0x7)<<4);
+			return index;
+		}
+	}
+#endif
+
+	return	 0;
+}
+
+static void set_io_addr_reg(device_t dev, u32 nodeid, u32 linkn, u32 reg,
+				u32 io_min, u32 io_max)
+{
+
+	u32 tempreg;
+#if CONFIG_EXT_CONF_SUPPORT
+	if(reg!=0x110) {
+#endif
+		/* io range allocation */
+		tempreg = (nodeid&0xf) | ((nodeid & 0x30)<<(8-4)) | (linkn<<4) |  ((io_max&0xf0)<<(12-4)); //limit
+		pci_write_config32(__f1_dev[0], reg+4, tempreg);
+
+		tempreg = 3 /*| ( 3<<4)*/ | ((io_min&0xf0)<<(12-4));	      //base :ISA and VGA ?
+#if 0
+		// FIXME: can we use VGA reg instead?
+		if (dev->link[link].bridge_ctrl & PCI_BRIDGE_CTL_VGA) {
+			printk(BIOS_SPEW, "%s, enabling legacy VGA IO forwarding for %s link %s\n",
+				__func__, dev_path(dev), link);
+			tempreg |= PCI_IO_BASE_VGA_EN;
+		}
+		if (dev->link[link].bridge_ctrl & PCI_BRIDGE_CTL_NO_ISA) {
+			tempreg |= PCI_IO_BASE_NO_ISA;
+		}
+#endif
+		pci_write_config32(__f1_dev[0], reg, tempreg);
+#if CONFIG_EXT_CONF_SUPPORT
+		return;
+	}
+
+	u32 cfg_map_dest;
+	u32 j;
+	// if ht_c_index > 3, We should use extend space
+	if(io_min>io_max) return;
+	// for nodeid at first
+	cfg_map_dest = (1<<7) | (1<<6) | (linkn<<0);
+
+	set_addr_map_reg_4_6_in_one_node(nodeid, cfg_map_dest, io_min, io_max, 4);
+#endif // CONFIG_EXT_CONF_SUPPORT
+}
+
+
+static void set_mmio_addr_reg(u32 nodeid, u32 linkn, u32 reg, u32 index, u32 mmio_min, u32 mmio_max, u32 nodes)
+{
+
+	u32 tempreg;
+#if CONFIG_EXT_CONF_SUPPORT
+	if(reg!=0x110) {
+#endif
+		/* io range allocation */
+		tempreg = (nodeid&0xf) | (linkn<<4) |	 (mmio_max&0xffffff00); //limit
+		pci_write_config32(__f1_dev[0], reg+4, tempreg);
+		tempreg = 3 | (nodeid & 0x30) | (mmio_min&0xffffff00);
+		pci_write_config32(__f1_dev[0], reg, tempreg);
+#if CONFIG_EXT_CONF_SUPPORT
+		return;
+	}
+
+	device_t dev;
+	u32 j;
+	// if ht_c_index > 3, We should use extend space
+	// for nodeid at first
+	u32 enable;
+
+	if(mmio_min>mmio_max) {
+		return;
+	}
+
+	enable = 1;
+
+	dev = __f1_dev[nodeid];
+	tempreg = ((mmio_min>>3) & 0x1fffff00)| (1<<6) | (linkn<<0);
+	pci_write_config32(dev, 0x110, index | (2<<28));
+	pci_write_config32(dev, 0x114, tempreg);
+
+	tempreg = ((mmio_max>>3) & 0x1fffff00) | enable;
+	pci_write_config32(dev, 0x110, index | (3<<28));
+	pci_write_config32(dev, 0x114, tempreg);
+#endif	// CONFIG_EXT_CONF_SUPPORT
+}
+
+#endif // !defined(__PRE_RAM__)
diff --git a/src/northbridge/amd/agesa/family12/bootblock.c b/src/northbridge/amd/agesa/family12/bootblock.c
new file mode 100755
index 0000000000..eead31d26b
--- /dev/null
+++ b/src/northbridge/amd/agesa/family12/bootblock.c
@@ -0,0 +1,29 @@
+/*
+ *****************************************************************************
+ *
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2011 Advanced Micro Devices, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ * ***************************************************************************
+ *
+ */
+ 
+#include <arch/io.h>
+#include <arch/romcc_io.h>
+#include <device/pci_def.h>
+
+static void bootblock_northbridge_init(void) {
+}
diff --git a/src/northbridge/amd/agesa/family12/chip.h b/src/northbridge/amd/agesa/family12/chip.h
new file mode 100755
index 0000000000..462610d6ea
--- /dev/null
+++ b/src/northbridge/amd/agesa/family12/chip.h
@@ -0,0 +1,24 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2011 Advanced Micro Devices, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+struct northbridge_amd_agesa_family12_config
+{
+};
+
+extern struct chip_operations northbridge_amd_agesa_family12_ops;
diff --git a/src/northbridge/amd/agesa/family12/northbridge.c b/src/northbridge/amd/agesa/family12/northbridge.c
new file mode 100755
index 0000000000..473e7692e0
--- /dev/null
+++ b/src/northbridge/amd/agesa/family12/northbridge.c
@@ -0,0 +1,917 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2011 Advanced Micro Devices, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+#include <console/console.h>
+#include <arch/io.h>
+#include <stdint.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <device/pci_ids.h>
+#include <device/hypertransport.h>
+#include <stdlib.h>
+#include <string.h>
+#include <bitops.h>
+#include <cpu/cpu.h>
+
+#include <cpu/x86/lapic.h>
+
+#include "chip.h"
+#include "northbridge.h"
+#include "agesawrapper.h"
+
+//#define FX_DEVS NODE_NUMS
+#define FX_DEVS 1
+
+static device_t __f0_dev[FX_DEVS];
+static device_t __f1_dev[FX_DEVS];
+static device_t __f2_dev[FX_DEVS];
+static device_t __f4_dev[FX_DEVS];
+static unsigned fx_devs=0;
+
+
+device_t get_node_pci(u32 nodeid, u32 fn)
+{
+    return dev_find_slot(CONFIG_CBB, PCI_DEVFN(CONFIG_CDB + nodeid, fn));
+}
+
+
+static void get_fx_devs(void)
+{
+    int i;
+    for(i = 0; i < FX_DEVS; i++) {
+        __f0_dev[i] = get_node_pci(i, 0);
+        __f1_dev[i] = get_node_pci(i, 1);
+        __f2_dev[i] = get_node_pci(i, 2);
+        __f4_dev[i] = get_node_pci(i, 4);
+        if (__f0_dev[i] != NULL && __f1_dev[i] != NULL)
+            fx_devs = i+1;
+    }
+    if (__f1_dev[0] == NULL || __f0_dev[0] == NULL || fx_devs == 0) {
+        die("Cannot find 0:0x18.[0|1]\n");
+    }
+}
+
+
+static u32 f1_read_config32(unsigned reg)
+{
+    if (fx_devs == 0)
+        get_fx_devs();
+    return pci_read_config32(__f1_dev[0], reg);
+}
+
+
+static void f1_write_config32(unsigned reg, u32 value)
+{
+    int i;
+    if (fx_devs == 0)
+        get_fx_devs();
+    for(i = 0; i < fx_devs; i++) {
+        device_t dev;
+        dev = __f1_dev[i];
+        if (dev && dev->enabled) {
+            pci_write_config32(dev, reg, value);
+        }
+    }
+}
+
+
+static u32 amdfam12_nodeid(device_t dev)
+{
+    printk(BIOS_DEBUG, "Fam12h - northbridge.c - amdfam12_nodeid\n");
+    return (dev->path.pci.devfn >> 3) - CONFIG_CDB;
+}
+
+
+#include "amdfam12_conf.c"
+
+
+static void northbridge_init(device_t dev)
+{
+  printk(BIOS_DEBUG, "Northbridge init\n");
+}
+
+
+static void set_vga_enable_reg(u32 nodeid, u32 linkn)
+{
+    u32 val;
+
+    printk(BIOS_DEBUG, "\nFam12h - northbridge.c - set_vga_enable_reg - Start.\n");
+    val =  1 | (nodeid<<4) | (linkn<<12);
+    /* it will routing (1)mmio  0xa0000:0xbffff (2) io 0x3b0:0x3bb,
+     0x3c0:0x3df */
+    f1_write_config32(0xf4, val);
+
+    printk(BIOS_DEBUG, "Fam12h - northbridge.c - set_vga_enable_reg - End.\n");
+}
+
+
+static int reg_useable(unsigned reg, device_t goal_dev, unsigned goal_nodeid,
+            unsigned goal_link)
+{
+    struct resource *res;
+    unsigned nodeid, link = 0;
+    int result;
+    printk(BIOS_DEBUG, "\nFam12h - northbridge.c - reg_useable - Start.\n");
+    res = 0;
+    for(nodeid = 0; !res && (nodeid < fx_devs); nodeid++) {
+        device_t dev;
+        dev = __f0_dev[nodeid];
+        if (!dev)
+            continue;
+        for(link = 0; !res && (link < 8); link++) {
+            res = probe_resource(dev, IOINDEX(0x1000 + reg, link));
+        }
+    }
+    result = 2;
+    if (res) {
+        result = 0;
+        if (    (goal_link == (link - 1)) &&
+            (goal_nodeid == (nodeid - 1)) &&
+            (res->flags <= 1)) {
+            result = 1;
+        }
+    }
+    printk(BIOS_DEBUG, "Fam12h - northbridge.c - reg_useable - End.\n");
+    return result;
+}
+
+static struct resource *amdfam12_find_iopair(device_t dev, unsigned nodeid, unsigned link)
+{
+    struct resource *resource;
+    u32 result, reg;
+    resource = 0;
+    reg = 0;
+        result = reg_useable(0xc0, dev, nodeid, link);
+        if (result >= 1) {
+            /* I have been allocated this one */
+            reg = 0xc0;
+    }
+
+    //Ext conf space
+    if(!reg) {
+        //because of Extend conf space, we will never run out of reg, but we need one index to differ them. so same node and same link can have multi range
+        u32 index = get_io_addr_index(nodeid, link);
+        reg = 0x110+ (index<<24) + (4<<20); // index could be 0, 255
+    }
+
+        resource = new_resource(dev, IOINDEX(0x1000 + reg, link));
+
+    return resource;
+}
+
+static struct resource *amdfam12_find_mempair(device_t dev, u32 nodeid, u32 link)
+{
+    struct resource *resource;
+    u32 free_reg, reg;
+    resource = 0;
+    free_reg = 0;
+    for(reg = 0x80; reg <= 0xb8; reg += 0x8) {
+        int result;
+        result = reg_useable(reg, dev, nodeid, link);
+        if (result == 1) {
+            /* I have been allocated this one */
+            break;
+        }
+        else if (result > 1) {
+            /* I have a free register pair */
+            free_reg = reg;
+        }
+    }
+    if (reg > 0xb8) {
+        reg = free_reg;
+    }
+
+    //Ext conf space
+    if(!reg) {
+        //because of Extend conf space, we will never run out of reg,
+        // but we need one index to differ them. so same node and
+        // same link can have multi range
+        u32 index = get_mmio_addr_index(nodeid, link);
+        reg = 0x110+ (index<<24) + (6<<20); // index could be 0, 63
+
+    }
+    resource = new_resource(dev, IOINDEX(0x1000 + reg, link));
+    return resource;
+}
+
+
+static void amdfam12_link_read_bases(device_t dev, u32 nodeid, u32 link)
+{
+    struct resource *resource;
+
+    printk(BIOS_DEBUG, "\nFam12h - northbridge.c - amdfam12_link_read_bases - Start.\n");
+    /* Initialize the io space constraints on the current bus */
+    resource = amdfam12_find_iopair(dev, nodeid, link);
+    if (resource) {
+        u32 align;
+#if CONFIG_EXT_CONF_SUPPORT == 1
+        if((resource->index & 0x1fff) == 0x1110) { // ext
+            align = 8;
+        }
+        else
+#endif
+            align = log2(HT_IO_HOST_ALIGN);
+        resource->base  = 0;
+        resource->size  = 0;
+        resource->align = align;
+        resource->gran  = align;
+        resource->limit = 0xffffUL;
+        resource->flags = IORESOURCE_IO | IORESOURCE_BRIDGE;
+    }
+
+    /* Initialize the prefetchable memory constraints on the current bus */
+    resource = amdfam12_find_mempair(dev, nodeid, link);
+    if (resource) {
+        resource->base = 0;
+        resource->size = 0;
+        resource->align = log2(HT_MEM_HOST_ALIGN);
+        resource->gran = log2(HT_MEM_HOST_ALIGN);
+        resource->limit = 0xffffffffffULL;
+        resource->flags = IORESOURCE_MEM | IORESOURCE_PREFETCH;
+        resource->flags |= IORESOURCE_BRIDGE;
+
+#if CONFIG_EXT_CONF_SUPPORT == 1
+        if((resource->index & 0x1fff) == 0x1110) { // ext
+            normalize_resource(resource);
+        }
+#endif
+
+    }
+
+    /* Initialize the memory constraints on the current bus */
+    resource = amdfam12_find_mempair(dev, nodeid, link);
+    if (resource) {
+        resource->base = 0;
+        resource->size = 0;
+        resource->align = log2(HT_MEM_HOST_ALIGN);
+        resource->gran = log2(HT_MEM_HOST_ALIGN);
+        resource->limit = 0xffffffffffULL;
+        resource->flags = IORESOURCE_MEM | IORESOURCE_BRIDGE;
+#if CONFIG_EXT_CONF_SUPPORT == 1
+        if((resource->index & 0x1fff) == 0x1110) { // ext
+            normalize_resource(resource);
+        }
+#endif
+    }
+    printk(BIOS_DEBUG, "Fam12h - northbridge.c - amdfam12_link_read_bases - End.\n");
+}
+
+static u32 my_find_pci_tolm(struct bus *bus, u32 tolm)
+{
+    struct resource *min;
+    min = 0;
+    search_bus_resources(bus, IORESOURCE_MEM, IORESOURCE_MEM, tolm_test, &min);
+    if (min && tolm > min->base) {
+        tolm = min->base;
+    }
+    return tolm;
+}
+
+#if CONFIG_HW_MEM_HOLE_SIZEK != 0
+
+struct hw_mem_hole_info {
+    unsigned hole_startk;
+    int node_id;
+};
+
+static struct hw_mem_hole_info get_hw_mem_hole_info(void)
+{
+        struct hw_mem_hole_info mem_hole;
+        int i;
+
+        mem_hole.hole_startk = CONFIG_HW_MEM_HOLE_SIZEK;
+        mem_hole.node_id = -1;
+
+        struct dram_base_mask_t d;
+        u32 hole;
+        d = get_dram_base_mask(0);
+        if(d.mask & 1) {
+            hole = pci_read_config32(__f1_dev[0], 0xf0);
+            if(hole & 1) { // we find the hole
+                mem_hole.hole_startk = (hole & (0xff<<24)) >> 10;
+                mem_hole.node_id = 0; // record the node No with hole
+            }
+        }
+
+#if 0
+        // We need to double check if there is speical set on base reg and limit reg 
+            // are not continous instead of hole, it will find out it's hole_startk
+        if(mem_hole.node_id==-1) {
+            resource_t limitk_pri = 0;
+            struct dram_base_mask_t d;
+            resource_t base_k, limit_k;
+            d = get_dram_base_mask(0);
+            if(d.base & 1) {
+                base_k = ((resource_t)(d.base & 0x1fffff00)) <<9;
+                if(base_k <= 4 *1024 * 1024) {
+                    if(limitk_pri != base_k) { // we find the hole
+                        mem_hole.hole_startk = (unsigned)limitk_pri; // must be below 4G
+                        mem_hole.node_id = 0;
+                    }
+                }
+
+                limit_k = ((resource_t)((d.mask + 0x00000100) & 0x1fffff00)) << 9;
+                limitk_pri = limit_k;
+            }
+        }
+#endif
+        
+        return mem_hole;
+}
+#endif
+
+#if CONFIG_WRITE_HIGH_TABLES==1
+#define HIGH_TABLES_SIZE 64 // maximum size of high tables in KB
+extern uint64_t high_tables_base, high_tables_size;
+#endif
+
+#if CONFIG_GFXUMA == 1
+extern uint64_t uma_memory_base, uma_memory_size;
+
+static void add_uma_resource(struct device *dev, int index)
+{
+    struct resource *resource;
+
+    printk(BIOS_DEBUG, "\nFam12h - northbridge.c - add_uma_resource - Start.\n");
+
+    resource = new_resource(dev, index);
+    resource->base = (resource_t) uma_memory_base;
+    resource->size = (resource_t) uma_memory_size;
+    resource->flags = IORESOURCE_MEM | IORESOURCE_RESERVE |
+        IORESOURCE_FIXED | IORESOURCE_STORED | IORESOURCE_ASSIGNED;
+    printk(BIOS_DEBUG, "Fam12h - northbridge.c - add_uma_resource - End.\n");
+}
+#endif
+
+static void read_resources(device_t dev)
+{
+    u32 nodeid;
+    struct bus *link;
+
+    printk(BIOS_DEBUG, "\nFam12h - northbridge.c - read_resources - Start.\n");
+
+    nodeid = amdfam12_nodeid(dev);
+    for(link = dev->link_list; link; link = link->next) {
+        if (link->children) {
+            amdfam12_link_read_bases(dev, nodeid, link->link_num);
+        }
+    }
+    printk(BIOS_DEBUG, "Fam12h - northbridge.c - read_resources - End.\n");
+}
+
+
+static void set_resource(device_t dev, struct resource *resource,
+                u32 nodeid)
+{
+    resource_t rbase, rend;
+    unsigned reg, link_num;
+    char buf[50];
+
+    printk(BIOS_DEBUG, "\nFam12h - northbridge.c - set_resource - Start.\n");
+
+    /* Make certain the resource has actually been set */
+    if (!(resource->flags & IORESOURCE_ASSIGNED)) {
+        return;
+    }
+
+    /* If I have already stored this resource don't worry about it */
+    if (resource->flags & IORESOURCE_STORED) {
+        return;
+    }
+
+    /* Only handle PCI memory and IO resources */
+    if (!(resource->flags & (IORESOURCE_MEM | IORESOURCE_IO)))
+        return;
+
+    /* Ensure I am actually looking at a resource of function 1 */
+    if ((resource->index & 0xffff) < 0x1000) {
+        return;
+    }
+    /* Get the base address */
+    rbase = resource->base;
+
+    /* Get the limit (rounded up) */
+    rend  = resource_end(resource);
+
+    /* Get the register and link */
+    reg  = resource->index & 0xfff; // 4k
+    link_num = IOINDEX_LINK(resource->index);
+
+    if (resource->flags & IORESOURCE_IO) {
+        set_io_addr_reg(dev, nodeid, link_num, reg, rbase>>8, rend>>8);
+    }
+    else if (resource->flags & IORESOURCE_MEM) {
+        set_mmio_addr_reg(nodeid, link_num, reg, (resource->index >>24), rbase>>8, rend>>8, 1) ;// [39:8]
+    }
+    resource->flags |= IORESOURCE_STORED;
+    sprintf(buf, " <node %x link %x>",
+        nodeid, link_num);
+    report_resource_stored(dev, resource, buf);
+    printk(BIOS_DEBUG, "Fam12h - northbridge.c - set_resource - End.\n");
+}
+
+
+#if CONFIG_CONSOLE_VGA_MULTI == 1
+extern device_t vga_pri;    // the primary vga device, defined in device.c
+#endif
+
+static void create_vga_resource(device_t dev, unsigned nodeid)
+{
+    struct bus *link;
+
+    printk(BIOS_DEBUG, "\nFam12h - northbridge.c - create_vga_resource - Start.\n");
+
+    /* find out which link the VGA card is connected,
+     * we only deal with the 'first' vga card */
+    for (link = dev->link_list; link; link = link->next) {
+        if (link->bridge_ctrl & PCI_BRIDGE_CTL_VGA) {
+#if CONFIG_CONSOLE_VGA_MULTI == 1
+            printk(BIOS_DEBUG, "VGA: vga_pri bus num = %d bus range [%d,%d]\n", vga_pri->bus->secondary,
+                link->secondary,link->subordinate);
+            /* We need to make sure the vga_pri is under the link */
+            if((vga_pri->bus->secondary >= link->secondary ) &&
+                (vga_pri->bus->secondary <= link->subordinate )
+            )
+#endif
+            break;
+        }
+    }
+
+    /* no VGA card installed */
+    if (link == NULL)
+        return;
+
+    printk(BIOS_DEBUG, "VGA: %s (aka node %d) link %d has VGA device\n", dev_path(dev), nodeid, link->link_num);
+    set_vga_enable_reg(nodeid, link->link_num);
+    printk(BIOS_DEBUG, "Fam12h - northbridge.c - create_vga_resource - End.\n");
+}
+
+
+static void set_resources(device_t dev)
+{
+    unsigned nodeid;
+    struct bus *bus;
+    struct resource *res;
+
+    printk(BIOS_DEBUG, "\nFam12h - northbridge.c - set_resources - Start.\n");
+ 
+    /* Find the nodeid */
+    nodeid = amdfam12_nodeid(dev);
+
+    create_vga_resource(dev, nodeid);
+
+    /* Set each resource we have found */
+    for(res = dev->resource_list; res; res = res->next) {
+        set_resource(dev, res, nodeid);
+    }
+
+    for(bus = dev->link_list; bus; bus = bus->next) {
+        if (bus->children) {
+            assign_resources(bus);
+        }
+    }
+    printk(BIOS_DEBUG, "Fam12h - northbridge.c - set_resources - End.\n");
+}
+
+
+/* Domain/Root Complex related code */
+
+static void domain_read_resources(device_t dev)
+{
+    unsigned reg;
+
+    printk(BIOS_DEBUG, "\nFam12h - northbridge.c - domain_read_resources - Start.\n");
+
+    /* Find the already assigned resource pairs */
+    get_fx_devs();
+    for(reg = 0x80; reg <= 0xc0; reg+= 0x08) {
+        u32 base, limit;
+        base  = f1_read_config32(reg);
+        limit = f1_read_config32(reg + 0x04);
+        /* Is this register allocated? */
+        if ((base & 3) != 0) {
+            unsigned nodeid, reg_link;
+            device_t reg_dev;
+            if(reg<0xc0) { // mmio
+                nodeid = (limit & 0xf) + (base&0x30);
+            } else { // io
+                nodeid =  (limit & 0xf) + ((base>>4)&0x30);
+            }
+            reg_link = (limit >> 4) & 7;
+            reg_dev = __f0_dev[nodeid];
+            if (reg_dev) {
+                /* Reserve the resource  */
+                struct resource *res;
+                res = new_resource(reg_dev, IOINDEX(0x1000 + reg, reg_link));
+                if (res) {
+                    res->flags = 1;
+                }
+            }
+        }
+    }
+    /* FIXME: do we need to check extend conf space?
+       I don't believe that much preset value */
+
+#if CONFIG_PCI_64BIT_PREF_MEM == 0
+//-    pci_domain_read_resources(dev);
+
+    struct resource *resource;
+	/* Initialize the system-wide I/O space constraints. */
+	resource = new_resource(dev, IOINDEX_SUBTRACTIVE(0, 0));
+    resource->base  = 0x1000;
+	resource->limit = 0xffffUL;
+	resource->flags = IORESOURCE_IO | IORESOURCE_SUBTRACTIVE |
+		     IORESOURCE_ASSIGNED;
+
+	/* Initialize the system-wide memory resources constraints. */
+	resource = new_resource(dev, IOINDEX_SUBTRACTIVE(1, 0));
+	resource->base  = 0xc0000000ULL;
+	resource->limit = 0xdfffffffULL;
+	resource->flags = IORESOURCE_MEM | IORESOURCE_SUBTRACTIVE |
+		     IORESOURCE_ASSIGNED;
+#else
+    struct bus *link;
+    struct resource *resource;
+    for(link=dev->link_list; link; link = link->next) {
+        /* Initialize the system wide io space constraints */
+        resource = new_resource(dev, 0|(link->link_num<<2));
+        resource->base  = 0x400;
+        resource->limit = 0xffffUL;
+        resource->flags = IORESOURCE_IO;
+
+        /* Initialize the system wide prefetchable memory resources constraints */
+        resource = new_resource(dev, 1|(link->link_num<<2));
+        resource->limit = 0xfcffffffffULL;
+        resource->flags = IORESOURCE_MEM | IORESOURCE_PREFETCH;
+
+        /* Initialize the system wide memory resources constraints */
+        resource = new_resource(dev, 2|(link->link_num<<2));
+        resource->limit = 0xfcffffffffULL;
+        resource->flags = IORESOURCE_MEM;
+    }
+#endif
+    printk(BIOS_DEBUG, "Fam12h - northbridge.c - domain_read_resources - End.\n");
+}
+
+
+static void domain_set_resources(device_t dev)
+{
+  u32 val;
+    printk(BIOS_DEBUG, "\nFam12h - northbridge.c - domain_set_resources - Start.\n");
+    printk(BIOS_DEBUG, "  amsr - incoming dev = %08lx\n",dev);
+
+
+#if CONFIG_PCI_64BIT_PREF_MEM == 1
+    struct resource *io, *mem1, *mem2;
+    struct resource *res;
+#endif
+    unsigned long mmio_basek;
+    u32 pci_tolm;
+    int i, idx;
+    struct bus *link;
+#if CONFIG_HW_MEM_HOLE_SIZEK != 0
+    struct hw_mem_hole_info mem_hole;
+    u32 reset_memhole = 1;
+#endif
+
+#if CONFIG_PCI_64BIT_PREF_MEM == 1
+
+printk(BIOS_DEBUG, "adsr - CONFIG_PCI_64BIT_PREF_MEM is true.\n");
+    for(link = dev->link_list; link; link = link->next) {
+        /* Now reallocate the pci resources memory with the
+         * highest addresses I can manage.
+         */
+        mem1 = find_resource(dev, 1|(link->link_num<<2));
+        mem2 = find_resource(dev, 2|(link->link_num<<2));
+
+        printk(BIOS_DEBUG, "base1: 0x%08Lx limit1: 0x%08Lx size: 0x%08Lx align: %d\n",
+            mem1->base, mem1->limit, mem1->size, mem1->align);
+        printk(BIOS_DEBUG, "base2: 0x%08Lx limit2: 0x%08Lx size: 0x%08Lx align: %d\n",
+            mem2->base, mem2->limit, mem2->size, mem2->align);
+
+        /* See if both resources have roughly the same limits */
+        if (((mem1->limit <= 0xffffffff) && (mem2->limit <= 0xffffffff)) ||
+            ((mem1->limit > 0xffffffff) && (mem2->limit > 0xffffffff)))
+        {
+            /* If so place the one with the most stringent alignment first
+             */
+            if (mem2->align > mem1->align) {
+                struct resource *tmp;
+                tmp = mem1;
+                mem1 = mem2;
+                mem2 = tmp;
+            }
+            /* Now place the memory as high up as it will go */
+            mem2->base = resource_max(mem2);
+            mem1->limit = mem2->base - 1;
+            mem1->base = resource_max(mem1);
+        }
+        else {
+            /* Place the resources as high up as they will go */
+            mem2->base = resource_max(mem2);
+            mem1->base = resource_max(mem1);
+        }
+
+        printk(BIOS_DEBUG, "base1: 0x%08Lx limit1: 0x%08Lx size: 0x%08Lx align: %d\n",
+            mem1->base, mem1->limit, mem1->size, mem1->align);
+        printk(BIOS_DEBUG, "base2: 0x%08Lx limit2: 0x%08Lx size: 0x%08Lx align: %d\n",
+            mem2->base, mem2->limit, mem2->size, mem2->align);
+    }
+
+    for(res = &dev->resource_list; res; res = res->next)
+    {
+        res->flags |= IORESOURCE_ASSIGNED;
+        res->flags |= IORESOURCE_STORED;
+        report_resource_stored(dev, res, "");
+    }
+#endif
+
+    pci_tolm = 0xffffffffUL;
+    for(link = dev->link_list; link; link = link->next) {
+        pci_tolm = my_find_pci_tolm(link, pci_tolm);
+    }
+
+    // FIXME handle interleaved nodes. If you fix this here, please fix
+    // amdk8, too.
+    mmio_basek = pci_tolm >> 10;
+    /* Round mmio_basek to something the processor can support */
+    mmio_basek &= ~((1 << 6) -1);
+
+    // FIXME improve mtrr.c so we don't use up all of the mtrrs with a 64M
+    // MMIO hole. If you fix this here, please fix amdk8, too.
+    /* Round the mmio hole to 64M */
+    mmio_basek &= ~((64*1024) - 1);
+
+#if CONFIG_HW_MEM_HOLE_SIZEK != 0
+/* if the hw mem hole is already set in raminit stage, here we will compare
+ * mmio_basek and hole_basek. if mmio_basek is bigger that hole_basek and will
+ * use hole_basek as mmio_basek and we don't need to reset hole.
+ * otherwise We reset the hole to the mmio_basek
+ */
+
+    mem_hole = get_hw_mem_hole_info();
+
+    // Use hole_basek as mmio_basek, and we don't need to reset hole anymore
+    if ((mem_hole.node_id !=  -1) && (mmio_basek > mem_hole.hole_startk)) {
+        mmio_basek = mem_hole.hole_startk;
+        reset_memhole = 0;
+    }
+#endif
+
+    idx = 0x10;
+
+    struct dram_base_mask_t d;
+    resource_t basek, limitk, sizek; // 4 1T
+
+    d = get_dram_base_mask(0);
+
+    if (d.mask & 1) {
+        basek = ((resource_t)(d.base)) << 8;
+        limitk = (resource_t)((d.mask << 8) | 0xFFFFFF);
+printk(BIOS_DEBUG, "adsr: (before) basek = %llx, limitk = %llx.\n",basek,limitk);
+
+        /* Convert these values to multiples of 1K for ease of math. */
+        basek >>= 10;
+        limitk >>= 10;
+        sizek = limitk - basek + 1;
+
+printk(BIOS_DEBUG, "adsr: (after) basek = %llx, limitk = %llx, sizek = %llx.\n",basek,limitk,sizek);
+
+        /* see if we need a hole from 0xa0000 to 0xbffff */
+        if ((basek < 640) && (sizek > 768)) {
+printk(BIOS_DEBUG, "adsr - 0xa0000 to 0xbffff resource.\n");
+            ram_resource(dev, (idx | 0), basek, 640 - basek);
+            idx += 0x10;
+            basek = 768;
+            sizek = limitk - 768;
+        }
+
+
+printk(BIOS_DEBUG, "adsr: mmio_basek=%08x, basek=%08x, limitk=%08x\n",  mmio_basek, basek, limitk);
+
+        /* split the region to accomodate pci memory space */
+        if ( (basek < 4*1024*1024 ) && (limitk > mmio_basek) ) {
+            if (basek <= mmio_basek) {
+                unsigned pre_sizek;
+                pre_sizek = mmio_basek - basek;
+                if(pre_sizek>0) {
+                    ram_resource(dev, idx, basek, pre_sizek);
+                    idx += 0x10;
+                    sizek -= pre_sizek;
+#if CONFIG_WRITE_HIGH_TABLES==1
+                    if (high_tables_base==0) {
+                    /* Leave some space for ACPI, PIRQ and MP tables */
+#if CONFIG_GFXUMA == 1
+                        high_tables_base = uma_memory_base - (HIGH_TABLES_SIZE * 1024);
+#else
+                        high_tables_base = (mmio_basek - HIGH_TABLES_SIZE) * 1024;
+#endif
+                        high_tables_size = HIGH_TABLES_SIZE * 1024;
+                        printk(BIOS_DEBUG, " split: %dK table at =%08llx\n", HIGH_TABLES_SIZE,
+                                 high_tables_base);
+                    }
+#endif
+                }
+
+                basek = mmio_basek;
+            }
+            if ((basek + sizek) <= 4*1024*1024) {
+                sizek = 0;
+            }
+            else {
+                basek = 4*1024*1024;
+                sizek -= (4*1024*1024 - mmio_basek);
+            }
+        }
+
+        ram_resource(dev, (idx | 0), basek, sizek);
+        idx += 0x10;
+#if CONFIG_WRITE_HIGH_TABLES==1
+        printk(BIOS_DEBUG, "%d: mmio_basek=%08lx, basek=%08llx, limitk=%08llx\n",
+                 0, mmio_basek, basek, limitk);
+        if (high_tables_base==0) {
+        /* Leave some space for ACPI, PIRQ and MP tables */
+#if CONFIG_GFXUMA == 1
+            high_tables_base = uma_memory_base - (HIGH_TABLES_SIZE * 1024);
+            printk(BIOS_DEBUG, "  adsr - uma_memory_base = %x.\n",uma_memory_base);
+#else
+            high_tables_base = (limitk - HIGH_TABLES_SIZE) * 1024;
+#endif
+            high_tables_size = HIGH_TABLES_SIZE * 1024;
+        }
+#endif
+    }
+printk(BIOS_DEBUG, "  adsr - mmio_basek = %x.\n",mmio_basek);
+printk(BIOS_DEBUG, "  adsr - high_tables_size = %x.\n",high_tables_size);
+
+#if CONFIG_GFXUMA == 1
+    printk(BIOS_DEBUG, "adsr - adding uma resource.\n");
+    add_uma_resource(dev, 7);
+#endif
+
+    for(link = dev->link_list; link; link = link->next) {
+        if (link->children) {
+            assign_resources(link);
+        }
+    }
+printk(BIOS_DEBUG, "  adsr - leaving this lovely routine.\n");
+    printk(BIOS_DEBUG, "Fam12h - northbridge.c - domain_set_resources - End.\n");
+}
+
+
+static void domain_enable_resources(device_t dev)
+{
+//  u32 val;
+  /* Must be called after PCI enumeration and resource allocation */
+//  printk(BIOS_DEBUG, "\nFam12h - northbridge.c - domain_enable_resources - agesawrapper_amdinitmid - Start.\n");
+  printk(BIOS_DEBUG, "\nFam12h - northbridge.c - domain_enable_resources - Start.\n");
+//  val = agesawrapper_amdinitmid (); 
+//  if(val) {
+//    printk(BIOS_DEBUG, "agesawrapper_amdinitmid failed: %x \n", val);
+//  }
+//  printk(BIOS_DEBUG, "Fam12h - northbridge.c - domain_enable_resources - agesawrapper_amdinitmid - End.\n");
+  printk(BIOS_DEBUG, "Fam12h - northbridge.c - domain_enable_resources - End.\n");
+}
+
+
+/* Bus related code */
+
+
+static void cpu_bus_read_resources(device_t dev)
+{
+    printk(BIOS_DEBUG, "\nFam12h - northbridge.c - cpu_bus_read_resources - Start.\n");
+
+#if CONFIG_MMCONF_SUPPORT
+    struct resource *resource = new_resource(dev, 0xc0010058);
+    resource->base = CONFIG_MMCONF_BASE_ADDRESS;
+    resource->size = CONFIG_MMCONF_BUS_NUMBER * 4096*256;
+    resource->flags = IORESOURCE_MEM | IORESOURCE_RESERVE |
+        IORESOURCE_FIXED | IORESOURCE_STORED |  IORESOURCE_ASSIGNED;
+#endif
+    printk(BIOS_DEBUG, "Fam12h - northbridge.c - cpu_bus_read_resources - End.\n");
+}
+
+static void cpu_bus_set_resources(device_t dev)
+{
+    struct resource *resource = find_resource(dev, 0xc0010058);
+
+    printk(BIOS_DEBUG, "\nFam12h - northbridge.c - cpu_bus_set_resources - Start.\n");
+    if (resource) {
+        report_resource_stored(dev, resource, " <mmconfig>");
+    }
+    pci_dev_set_resources(dev);
+    printk(BIOS_DEBUG, "Fam12h - northbridge.c - cpu_bus_set_resources - End.\n");
+}
+ 
+static void cpu_bus_init(device_t dev)
+{
+    u32 val;
+
+    printk(BIOS_DEBUG, "\nFam12h - northbridge.c - cpu_bus_init - Start.\n");
+    initialize_cpus(dev->link_list);
+
+#if CONFIG_SOUTHBRIDGE_AMD_CIMX_SB900
+    /* Must be called after PCI enumeration and resource allocation */
+    printk(BIOS_DEBUG, "\nFam12h - northbridge.c - cpu_bus_init - sb_After_Pci_Init - Start.\n");
+    sb_After_Pci_Init (); 
+    printk(BIOS_DEBUG, "Fam12h - northbridge.c - cpu_bus_init - sb_After_Pci_Init - End.\n");
+#endif // #if CONFIG_SOUTHBRIDGE_AMD_CIMX_SB900
+
+#if CONFIG_SOUTHBRIDGE_AMD_CIMX_SB900
+    /* Must be called after PCI enumeration and resource allocation */
+    printk(BIOS_DEBUG, "\nFam12h - northbridge.c - cpu_bus_init - sb_Mid_Post_Init - Start.\n");
+    sb_Mid_Post_Init (); 
+    printk(BIOS_DEBUG, "Fam12h - northbridge.c - cpu_bus_init - sb_Mid_Post_Init - End.\n");
+#endif // #if CONFIG_SOUTHBRIDGE_AMD_CIMX_SB900
+
+    /* Must be called after PCI enumeration and resource allocation */
+    printk(BIOS_DEBUG, "\nFam12h - northbridge.c - cpu_bus_init - agesawrapper_amdinitmid - Start.\n");
+    val = agesawrapper_amdinitmid (); 
+    if(val) {
+        printk(BIOS_DEBUG, "agesawrapper_amdinitmid failed: %x \n", val);
+    }
+    printk(BIOS_DEBUG, "Fam12h - northbridge.c - cpu_bus_init - agesawrapper_amdinitmid - End.\n");
+    printk(BIOS_DEBUG, "Fam12h - northbridge.c - cpu_bus_init - End.\n");
+}
+
+
+/* North Bridge Structures */
+
+static struct device_operations northbridge_operations = {
+    .read_resources   = read_resources,
+    .set_resources    = set_resources,
+  .enable_resources = pci_dev_enable_resources,
+  .init             = northbridge_init,
+  .enable           = 0,
+  .ops_pci          = 0,
+};
+
+
+static const struct pci_driver northbridge_driver __pci_driver = {
+    .ops = &northbridge_operations,
+    .vendor = PCI_VENDOR_ID_AMD,
+    .device = 0x1705,
+};
+
+
+struct chip_operations northbridge_amd_agesa_family12_ops = {
+    CHIP_NAME("AMD Family 12h Northbridge")
+    .enable_dev = 0,
+};
+
+
+/* Root Complex Structures */
+
+
+static struct device_operations pci_domain_ops = {
+    .read_resources   = domain_read_resources,
+    .set_resources    = domain_set_resources,
+    .enable_resources = domain_enable_resources,
+    .init             = NULL,
+    .scan_bus         = pci_domain_scan_bus,
+};
+
+
+static struct device_operations cpu_bus_ops = {
+    .read_resources   = cpu_bus_read_resources,
+    .set_resources    = cpu_bus_set_resources,
+    .enable_resources = NULL,
+    .init             = cpu_bus_init,
+    .scan_bus         = 0,
+};
+
+
+static void root_complex_enable_dev(struct device *dev)
+{
+    printk(BIOS_DEBUG, "\nFam12h - northbridge.c - root_complex_enable_dev - Start.\n");
+    /* Set the operations if it is a special bus type */
+    if (dev->path.type == DEVICE_PATH_PCI_DOMAIN) {
+        dev->ops = &pci_domain_ops;
+    }
+    else if (dev->path.type == DEVICE_PATH_APIC_CLUSTER) {
+        dev->ops = &cpu_bus_ops;
+    }
+    printk(BIOS_DEBUG, "Fam12h - northbridge.c - root_complex_enable_dev - End.\n");
+}
+
+
+struct chip_operations northbridge_amd_agesa_family12_root_complex_ops = {
+    CHIP_NAME("AMD Family 12h Root Complex")
+    .enable_dev = root_complex_enable_dev,
+};
diff --git a/src/northbridge/amd/agesa/family12/northbridge.h b/src/northbridge/amd/agesa/family12/northbridge.h
new file mode 100755
index 0000000000..8de80ff501
--- /dev/null
+++ b/src/northbridge/amd/agesa/family12/northbridge.h
@@ -0,0 +1,26 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2011 Advanced Micro Devices, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+#ifndef NORTHBRIDGE_AMD_AGESA_FAM12H_H
+#define NORTHBRIDGE_AMD_AGESA_FAM12H_H
+
+static struct device_operations pci_domain_ops;
+static struct device_operations cpu_bus_ops;
+
+#endif /* NORTHBRIDGE_AMD_AGESA_FAM12H_H */
diff --git a/src/northbridge/amd/agesa/family12/root_complex/Kconfig b/src/northbridge/amd/agesa/family12/root_complex/Kconfig
new file mode 100755
index 0000000000..f6a5f4ffad
--- /dev/null
+++ b/src/northbridge/amd/agesa/family12/root_complex/Kconfig
@@ -0,0 +1,2 @@
+config NORTHBRIDGE_AMD_AGESA_FAMILY12_ROOT_COMPLEX
+	bool
diff --git a/src/northbridge/amd/agesa/family12/root_complex/chip.h b/src/northbridge/amd/agesa/family12/root_complex/chip.h
new file mode 100755
index 0000000000..91599252fc
--- /dev/null
+++ b/src/northbridge/amd/agesa/family12/root_complex/chip.h
@@ -0,0 +1,24 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2011 Advanced Micro Devices, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+struct northbridge_amd_agesa_family12_root_complex_config
+{
+};
+
+extern struct chip_operations northbridge_amd_agesa_family12_root_complex_ops;
diff --git a/src/northbridge/amd/agesa/family12/ssdt.asl b/src/northbridge/amd/agesa/family12/ssdt.asl
new file mode 100755
index 0000000000..37044bbaea
--- /dev/null
+++ b/src/northbridge/amd/agesa/family12/ssdt.asl
@@ -0,0 +1,346 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2011 Advanced Micro Devices, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+/*
+ * Make sure HC_NUMS and HC_POSSIBLE_NUM setting is consistent to this file
+ */
+
+DefinitionBlock ("SSDT.aml", "SSDT", 1, "AMD-FAM12H", "AMD-ACPI", 0x1000)
+{
+	/*
+	 * These objects were referenced but not defined in this table
+	 */
+	External (\_SB_.PCI0, DeviceObj)
+
+	Scope (\_SB.PCI0)
+	{
+		Name (BUSN, Package (0x20) /* HC_NUMS */
+		{
+			0x11111111,
+			0x22222222,
+			0x33333333,
+			0x44444444,
+			0x55555555,
+			0x66666666,
+			0x77777777,
+			0x88888888,
+			0x99999999,
+			0xaaaaaaaa,
+			0xbbbbbbbb,
+			0xcccccccc,
+			0xdddddddd,
+			0xeeeeeeee,
+			0x10101010,
+			0x11111111,
+			0x12121212,
+			0x13131313,
+			0x14141414,
+			0x15151515,
+			0x11111111,
+			0x22222222,
+			0x33333333,
+			0x44444444,
+			0x55555555,
+			0x66666666,
+			0x77777777,
+			0x88888888,
+			0x99999999,
+			0xaaaaaaaa,
+			0xbbbbbbbb,
+			0xcccccccc
+		})
+		Name (MMIO, Package (0x80) /* HC_NUMS * 4 */
+		{
+			0x11111111,
+			0x22222222,
+			0x33333333,
+			0x44444444,
+			0x55555555,
+			0x66666666,
+			0x77777777,
+			0x88888888,
+			0x99999999,
+			0xaaaaaaaa,
+			0xbbbbbbbb,
+			0xcccccccc,
+			0xdddddddd,
+			0xeeeeeeee,
+			0x11111111,
+			0x22222222,
+			0x11111111,
+			0x22222222,
+			0x33333333,
+			0x44444444,
+			0x55555555,
+			0x66666666,
+			0x77777777,
+			0x88888888,
+			0x99999999,
+			0xaaaaaaaa,
+			0xbbbbbbbb,
+			0xcccccccc,
+			0xdddddddd,
+			0xeeeeeeee,
+			0x11111111,
+			0x22222222,
+			0x11111111,
+			0x22222222,
+			0x33333333,
+			0x44444444,
+			0x55555555,
+			0x66666666,
+			0x77777777,
+			0x88888888,
+			0x99999999,
+			0xaaaaaaaa,
+			0xbbbbbbbb,
+			0xcccccccc,
+			0xdddddddd,
+			0xeeeeeeee,
+			0x11111111,
+			0x22222222,
+			0x11111111,
+			0x22222222,
+			0x33333333,
+			0x44444444,
+			0x55555555,
+			0x66666666,
+			0x77777777,
+			0x88888888,
+			0x99999999,
+			0xaaaaaaaa,
+			0xbbbbbbbb,
+			0xcccccccc,
+			0xdddddddd,
+			0xeeeeeeee,
+			0x11111111,
+			0x22222222,
+			0x11111111,
+			0x22222222,
+			0x33333333,
+			0x44444444,
+			0x55555555,
+			0x66666666,
+			0x77777777,
+			0x88888888,
+			0x99999999,
+			0xaaaaaaaa,
+			0xbbbbbbbb,
+			0xcccccccc,
+			0xdddddddd,
+			0xeeeeeeee,
+			0x11111111,
+			0x22222222,
+			0x11111111,
+			0x22222222,
+			0x33333333,
+			0x44444444,
+			0x55555555,
+			0x66666666,
+			0x77777777,
+			0x88888888,
+			0x99999999,
+			0xaaaaaaaa,
+			0x11111111,
+			0x22222222,
+			0x33333333,
+			0x44444444,
+			0x55555555,
+			0x66666666,
+			0x77777777,
+			0x88888888,
+			0x99999999,
+			0xaaaaaaaa,
+			0x11111111,
+			0x22222222,
+			0x33333333,
+			0x44444444,
+			0x55555555,
+			0x66666666,
+			0x77777777,
+			0x88888888,
+			0x99999999,
+			0xaaaaaaaa,
+			0x11111111,
+			0x22222222,
+			0x33333333,
+			0x44444444,
+			0x55555555,
+			0x66666666,
+			0x77777777,
+			0x88888888,
+			0x99999999,
+			0xaaaaaaaa,
+			0x11111111,
+			0x22222222,
+			0x33333333,
+			0x44444444,
+			0x55555555,
+			0x66666666,
+			0x77777777,
+			0x88888888
+		})
+		Name (PCIO, Package (0x40) /* HC_NUMS * 2 */
+		{
+			0x77777777,
+			0x88888888,
+			0x99999999,
+			0xaaaaaaaa,
+			0xbbbbbbbb,
+			0xcccccccc,
+			0xdddddddd,
+			0xeeeeeeee,
+			0x77777777,
+			0x88888888,
+			0x99999999,
+			0xaaaaaaaa,
+			0xbbbbbbbb,
+			0xcccccccc,
+			0xdddddddd,
+			0xeeeeeeee,
+			0x77777777,
+			0x88888888,
+			0x99999999,
+			0xaaaaaaaa,
+			0xbbbbbbbb,
+			0xcccccccc,
+			0xdddddddd,
+			0xeeeeeeee,
+			0x77777777,
+			0x88888888,
+			0x99999999,
+			0xaaaaaaaa,
+			0xbbbbbbbb,
+			0xcccccccc,
+			0xdddddddd,
+			0xeeeeeeee,
+			0xaaaaaaaa,
+			0xbbbbbbbb,
+			0xcccccccc,
+			0xdddddddd,
+			0xeeeeeeee,
+			0x77777777,
+			0x88888888,
+			0x99999999,
+			0x11111111,
+			0x22222222,
+			0x33333333,
+			0x44444444,
+			0x55555555,
+			0x66666666,
+			0x77777777,
+			0x88888888,
+			0x99999999,
+			0xaaaaaaaa,
+			0x11111111,
+			0x22222222,
+			0x33333333,
+			0x44444444,
+			0x55555555,
+			0x66666666,
+			0x77777777,
+			0x88888888,
+			0x99999999,
+			0xaaaaaaaa,
+			0x11111111,
+			0x22222222,
+			0x33333333,
+			0x44444444
+		})
+		Name (SBLK, 0x11)
+		Name (TOM1, 0xaaaaaaaa)
+		Name (SBDN, 0xbbbbbbbb)
+		Name (HCLK, Package (0x20) /* HC_POSSIBLE_NUM */
+		{
+			0x11111111,
+			0x22222222,
+			0x33333333,
+			0x44444444,
+			0x55555555,
+			0x66666666,
+			0x77777777,
+			0x88888888,
+			0x11111111,
+			0x22222222,
+			0x33333333,
+			0x44444444,
+			0x55555555,
+			0x66666666,
+			0x77777777,
+			0x88888888,
+			0x11111111,
+			0x22222222,
+			0x33333333,
+			0x44444444,
+			0x55555555,
+			0x66666666,
+			0x77777777,
+			0x88888888,
+			0x11111111,
+			0x22222222,
+			0x33333333,
+			0x44444444,
+			0x55555555,
+			0x66666666,
+			0x77777777,
+			0x88888888
+		})
+		Name (HCDN, Package (0x20) /* HC_POSSIBLE_NUM */
+		{
+			0x11111111,
+			0x22222222,
+			0x33333333,
+			0x44444444,
+			0x55555555,
+			0x66666666,
+			0x77777777,
+			0x88888888,
+			0x11111111,
+			0x22222222,
+			0x33333333,
+			0x44444444,
+			0x55555555,
+			0x66666666,
+			0x77777777,
+			0x88888888,
+			0x11111111,
+			0x22222222,
+			0x33333333,
+			0x44444444,
+			0x55555555,
+			0x66666666,
+			0x77777777,
+			0x88888888,
+			0x11111111,
+			0x22222222,
+			0x33333333,
+			0x44444444,
+			0x55555555,
+			0x66666666,
+			0x77777777,
+			0x88888888
+		})
+		Name (CBB, 0x99)
+		Name (CBST, 0x88)
+		Name (CBB2, 0x77)
+		Name (CBS2, 0x66)
+
+	}
+}
+