Artec Group dbe61 mainboard support.

Now uses CAR.
New code for SPD-less memory implementation.
Updated IRQ routing.

Signed-off-by: Marc Jones <marc.jones@amd.com>
Acked-by: Ronald G. Minnich <rminnich@gmail.com>



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2728 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

7 files changed, 446 insertions, 274 deletions

diff --git a/src/mainboard/artecgroup/dbe61/Config.lb b/src/mainboard/artecgroup/dbe61/Config.lb
index 97975e7c36..40f157f6e9 100644
--- a/src/mainboard/artecgroup/dbe61/Config.lb
+++ b/src/mainboard/artecgroup/dbe61/Config.lb
@@ -47,27 +47,17 @@ driver mainboard.o
 if HAVE_PIRQ_TABLE object irq_tables.o end
 #object reset.o
 
-##
-## Romcc output
-##
-makerule ./failover.E
-	depends "$(MAINBOARD)/failover.c ./romcc" 
-	action "./romcc -E -O --label-prefix=failover -I$(TOP)/src -I. $(CPPFLAGS) $(MAINBOARD)/failover.c -o $@"
-end
 
-makerule ./failover.inc
-	depends "$(MAINBOARD)/failover.c ./romcc"
-	action "./romcc    -O --label-prefix=failover -I$(TOP)/src -I. $(CPPFLAGS) $(MAINBOARD)/failover.c -o $@"
+if USE_DCACHE_RAM
+	#compile cache_as_ram.c to auto.inc
+	makerule ./cache_as_ram_auto.inc
+			depends "$(MAINBOARD)/cache_as_ram_auto.c option_table.h"
+			action "$(CC) -I$(TOP)/src -I. $(CPPFLAGS) $(MAINBOARD)/cache_as_ram_auto.c -Os -nostdinc -nostdlib -fno-builtin -Wall -c -S -o $@"
+			action "perl -e 's/.rodata/.rom.data/g' -pi $@"
+			action "perl -e 's/.text/.section .rom.text/g' -pi $@"
+	end
 end
 
-makerule ./auto.E 
-	depends	"$(MAINBOARD)/auto.c option_table.h ./romcc" 
-	action	"./romcc -E -mcpu=p2 -O -I$(TOP)/src -I. $(CPPFLAGS) $(MAINBOARD)/auto.c -o $@"
-end
-makerule ./auto.inc 
-	depends "$(MAINBOARD)/auto.c option_table.h ./romcc"
-	action	"./romcc    -mcpu=p2 -O -I$(TOP)/src -I. $(CPPFLAGS) $(MAINBOARD)/auto.c -o $@"
-end
 
 ##
 ## Build our 16 bit and 32 bit linuxBIOS entry code
@@ -104,7 +94,7 @@ ldscript /arch/i386/lib/id.lds
 ###
 if USE_FALLBACK_IMAGE
 	ldscript /arch/i386/lib/failover.lds 
-	mainboardinit ./failover.inc
+#	mainboardinit ./failover.inc
 end
 
 ###
@@ -115,7 +105,11 @@ end
 ## Setup RAM
 ##
 mainboardinit cpu/x86/fpu/enable_fpu.inc
-mainboardinit ./auto.inc
+
+if USE_DCACHE_RAM
+	mainboardinit cpu/amd/model_lx/cache_as_ram.inc
+	mainboardinit ./cache_as_ram_auto.inc
+end
 
 ##
 ## Include the secondary Configuration files 
@@ -124,70 +118,44 @@ dir /pc80
 config chip.h
 
 chip northbridge/amd/lx
-	register "irqmap" = "0xcba5"
+	device pci_domain 0 on
+		device pci 1.0 on end	# Northbridge
+		device pci 1.1 on end	# Graphics
+		chip southbridge/amd/cs5536
+			# IRQ 12 and 1 unmasked,  Keyboard and Mouse IRQs. OK
+			# SIRQ Mode = Active(Quiet) mode. Save power....
+			# Invert mask = IRQ 12 and 1 are active high. Keyboard and Mouse IRQs. OK
+			register "lpc_serirq_enable" = "0x00001002"
+			register "lpc_serirq_polarity" = "0x0000EFFD"
+			register "lpc_serirq_mode" = "1"
+			register "enable_gpio_int_route" = "0x0D0C0700"
+			register "enable_ide_nand_flash" = "0" # 0:ide mode, 1:flash
+			register "enable_USBP4_device" = "0"	#0: host, 1:device
+			register "enable_USBP4_overcurrent" = "0" #0:off, xxxx:overcurrent setting CS5536 Data Book (pages 380-381)
+			register "com1_enable" = "0"
+			register "com1_address" = "0x2F8"
+			register "com1_irq" = "3"
+			register "com2_enable" = "1"
+			register "com2_address" = "0x3F8"
+			register "com2_irq" = "4"
+			register "unwanted_vpci[0]" = "0"	# End of list has a zero
+			device pci b.0 on end	# Slot 3
+			device pci c.0 on end	# Slot 4
+			device pci d.0 on end	# Slot 1
+			device pci e.0 on end	# Slot 2
+			device pci f.0 on end	# ISA Bridge
+			device pci f.2 on end	# IDE Controller
+			device pci f.3 on end	# Audio
+			device pci f.4 on end	# OHCI
+			device pci f.5 on end	# EHCI
+		end
+	end
+	# APIC cluster is late CPU init.
 	device apic_cluster 0 on
 		chip cpu/amd/model_lx
 			device apic 0 on end
 		end
 	end
-  	device pci_domain 0 on 
-
- 		device pci 1.0 on end	# Host Bridge
- 
-# 		chip drivers/pci/realmode
-# 			device pci 1.1 on end  					# VGA
-# 			register "rom_address" = "0xfffc0000"	# at the beginning of 256k
-# 		end
- 		
- 		device pci 1.2 off end	# AES
-     		chip southbridge/amd/cs5536_lx
- 			register "enable_ide_nand_flash" = "0"
- 
- 			register "isa_irq" = "0"
- 			#register "flash_irq" = "14"
- 
- 			## IDE IRQ
- 			register "enable_ide_irq" = "0"
- 
- 			register "audio_irq" = "5"
- 			register "usb_irq" = "7"
- 			
- 			register "uart0_irq" = "0"
- 			register "uart1_irq" = "4"
- 
- 			## PCI INTA ... INTD and their GPIO pins
- 			##   int==0: disable 
- 			register "pci_int[0]" = "0"
- 			register "pci_int[1]" = "10"
- 			register "pci_int[2]" = "0"
- 			register "pci_int[3]" = "0"
- 			register "pci_int_pin[0]" = "0"
- 			register "pci_int_pin[1]" = "7"
- 			register "pci_int_pin[2]" = "0"
- 			register "pci_int_pin[3]" = "0"									
- 
- 
- 			# Keyboard Emulation Logic IRQs
- 			# Enable keyboard IRQ2
- 			register "enable_kel_keyb_irq" = "0"
- 			# Enable mouse IRQ12
- 			register "enable_kel_mouse_irq" = "0"
- 			# Configure KEL Emulation IRQ, 0 to disable
- 			register "kel_emul_irq" = "0"
- 
-       		device pci f.0 on end	# ISA Bridge
-			device pci f.1 on end	# Flash controller
- 			device pci f.2 off end	# IDE controller
-       		device pci f.3 on end 	# Audio
-        		device pci f.4 on end	# OHCI
-			device pci f.5 on end	# EHCI
- 			device pci f.6 off end	# UDC controller
- 			device pci f.7 off end	# OTG controller
- 		end
-# 		chip drivers/pci/rtl8139
-## 			device pci d.0 on end	# Realtek LAN
-# 			register "nic_irq" = "10"
-#        		end
-   	end
+
 end
 
diff --git a/src/mainboard/artecgroup/dbe61/Options.lb b/src/mainboard/artecgroup/dbe61/Options.lb
index 382f3bdda7..3f773af79c 100644
--- a/src/mainboard/artecgroup/dbe61/Options.lb
+++ b/src/mainboard/artecgroup/dbe61/Options.lb
@@ -23,6 +23,7 @@ uses ROM_SECTION_OFFSET
 uses CONFIG_ROM_PAYLOAD_START
 uses CONFIG_COMPRESSED_PAYLOAD_LZMA
 uses CONFIG_COMPRESSED_PAYLOAD_NRV2B
+uses CONFIG_PRECOMPRESSED_PAYLOAD
 uses PAYLOAD_SIZE
 uses _ROMBASE
 uses _RAMBASE
@@ -44,6 +45,9 @@ uses CONFIG_TSC_X86RDTSC_CALIBRATE_WITH_TIMER2
 uses CONFIG_CONSOLE_VGA
 uses CONFIG_PCI_ROM_RUN
 uses CONFIG_VIDEO_MB
+uses USE_DCACHE_RAM
+uses DCACHE_RAM_BASE
+uses DCACHE_RAM_SIZE
 
 ## ROM_SIZE is the size of boot ROM that this board will use.
 default ROM_SIZE  = 256*1024
@@ -51,8 +55,8 @@ default ROM_SIZE  = 256*1024
 ###
 ### Build options
 ###
-default CONFIG_CONSOLE_VGA=1
-default CONFIG_PCI_ROM_RUN=1
+default CONFIG_CONSOLE_VGA=0
+default CONFIG_PCI_ROM_RUN=0
 default CONFIG_VIDEO_MB=8
 
 ##
@@ -78,8 +82,8 @@ default CONFIG_TSC_X86RDTSC_CALIBRATE_WITH_TIMER2=1
 ##
 ## Build code to export a programmable irq routing table
 ##
-default HAVE_PIRQ_TABLE=0
-default IRQ_SLOT_COUNT=6
+default HAVE_PIRQ_TABLE=1
+default IRQ_SLOT_COUNT=3
 
 #object irq_tables.o
 
@@ -97,6 +101,13 @@ default ROM_IMAGE_SIZE = 65536
 default FALLBACK_SIZE = 131072
 
 ##
+## enable CACHE_AS_RAM specifics
+##
+default USE_DCACHE_RAM=1
+default DCACHE_RAM_BASE=0xc8000
+default DCACHE_RAM_SIZE=0x08000
+
+##
 ## Use a small 8K stack
 ##
 default STACK_SIZE=0x2000
diff --git a/src/mainboard/artecgroup/dbe61/auto.c b/src/mainboard/artecgroup/dbe61/auto.c
deleted file mode 100644
index 1dba629381..0000000000
--- a/src/mainboard/artecgroup/dbe61/auto.c
+++ /dev/null
@@ -1,134 +0,0 @@
-#define ASSEMBLY 1
-
-#include <stdint.h>
-#include <device/pci_def.h>
-#include <arch/io.h>
-#include <device/pnp_def.h>
-#include <arch/romcc_io.h>
-#include <arch/hlt.h>
-#include "pc80/serial.c"
-#include "arch/i386/lib/console.c"
-#include "ram/ramtest.c"
-//#include "superio/winbond/w83627hf/w83627hf_early_serial.c"
-#include "cpu/x86/bist.h"
-#include "cpu/x86/msr.h"
-#include <cpu/amd/lxdef.h>
-
-//#define SERIAL_DEV PNP_DEV(0x2e, W83627HF_SP1)
-
-#include "southbridge/amd/cs5536/cs5536_early_smbus.c"
-#include "southbridge/amd/cs5536/cs5536_early_setup.c"
-
-static inline int spd_read_byte(unsigned device, unsigned address)
-{
-        return smbus_read_byte(device, address);
-}
-
-#include "northbridge/amd/lx/raminit.h"
-
-static inline unsigned int fls(unsigned int x)
-{
-        int r;
-
-        __asm__("bsfl %1,%0\n\t"
-                "jnz 1f\n\t"
-                "movl $32,%0\n"
-                "1:" : "=r" (r) : "g" (x));
-        return r;
-}
-
-static void sdram_set_spd_registers(const struct mem_controller *ctrl) 
-{
-	/* Total size of DIMM = 2^row address (byte 3) * 2^col address (byte 4) *
-	 *                      component Banks (byte 17) * module banks, side (byte 5) *
-	 *                      width in bits (byte 6,7)
-	 *                    = Density per side (byte 31) * number of sides (byte 5) */
-	/* 1. Initialize GLMC registers base on SPD values, do one DIMM for now */
-	msr_t msr;
-	unsigned char module_banks, val;
-
-	msr.hi = 0x10075012;
-	msr.lo = 0x00000040;
-	
-	wrmsr(MC_CF07_DATA, msr);		//GX3
-
-	/* timing and mode ... */
-
-	//msr = rdmsr(0x20000019);
-	
-	/* per standard bios settings */	
-/*
-	msr.hi = 0x18000108;
-	msr.lo = 
-			(6<<28) |		// cas_lat
-			(10<<24)|		// ref2act
-			(7<<20)|		// act2pre
-			(3<<16)|		// pre2act
-			(3<<12)|		// act2cmd
-			(2<<8)|			// act2act
-			(2<<6)|			// dplwr
-			(2<<4)|			// dplrd
-			(3);			// dal
-	* the msr value reported by quanta is very, very different. 
-	 * we will go with that value for now. 
-	 *
-	//msr.lo = 0x286332a3;
-*/
-	//wrmsr(0x20000019, msr);	//GX3
-
-}
-
-#include "northbridge/amd/lx/raminit.c"
-#include "sdram/generic_sdram.c"
-
-/* CPU and GLIU mult/div */
-#define PLLMSRhi 0x0000039C
-/* Hold Count - how long we will sit in reset */
-#define PLLMSRlo 0x00DE0000
-
-#include "northbridge/amd/lx/pll_reset.c"
-#include "cpu/amd/model_lx/cpureginit.c"
-#include "cpu/amd/model_lx/syspreinit.c"
-
-static void msr_init(void)
-{
-	__builtin_wrmsr(0x10000020, 0xfff80, 0x20000000);
-        __builtin_wrmsr(0x10000021, 0x80fffe0, 0x20000000);
-
-        __builtin_wrmsr(0x40000020, 0xfff80, 0x20000000);
-        __builtin_wrmsr(0x40000021, 0x80fffe0, 0x20000000);
-}
-
-	
-static void main(unsigned long bist)
-{
-	static const struct mem_controller memctrl [] = {
-		{.channel0 = {(0xa<<3)|0, (0xa<<3)|1}}
-	};
-
-	SystemPreInit();			//GX3 OK
-
-	msr_init();					//GX3 OK
-
-	cs5536_early_setup();		//GX3 OK
-
-	/* NOTE: must do this AFTER the early_setup!
-	 * it is counting on some early MSR setup
-	 * for cs5536
-	 */
-	cs5536_setup_onchipuart();	//GX3 OK
-
-	uart_init();				//GX3 OK
-	console_init();				//GX3 OK
-
-	pll_reset();				//GX3 OK
-
-	cpuRegInit();				//GX3 OK
-
-	print_err("done cpuRegInit\n");
-	
-	sdram_initialize(1, memctrl);	//GX3 OK almost
-	
-	/* Check all of memory */
-	//ram_check(0x00000000, 640*1024);
-}
diff --git a/src/mainboard/artecgroup/dbe61/cache_as_ram_auto.c b/src/mainboard/artecgroup/dbe61/cache_as_ram_auto.c
new file mode 100644
index 0000000000..e0b51b1770
--- /dev/null
+++ b/src/mainboard/artecgroup/dbe61/cache_as_ram_auto.c
@@ -0,0 +1,215 @@
+/*
+ * This file is part of the LinuxBIOS project.
+ *
+ * Copyright (C) 2007 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; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+#define ASSEMBLY 1
+
+#include <stdint.h>
+#include <device/pci_def.h>
+#include <arch/io.h>
+#include <device/pnp_def.h>
+#include <arch/romcc_io.h>
+#include <arch/hlt.h>
+#include "pc80/serial.c"
+#include "arch/i386/lib/console.c"
+#include "ram/ramtest.c"
+#include "cpu/x86/bist.h"
+#include "cpu/x86/msr.h"
+#include <cpu/amd/lxdef.h>
+#include <cpu/amd/geode_post_code.h>
+#include "southbridge/amd/cs5536/cs5536.h"
+#include "spd_table.h"
+
+
+#define POST_CODE(x) outb(x, 0x80)
+
+#include "southbridge/amd/cs5536/cs5536_early_smbus.c"
+#include "southbridge/amd/cs5536/cs5536_early_setup.c"
+
+#define DIMM0 0xA0
+#define DIMM1 0xA2
+
+
+static int spd_read_byte(unsigned device, unsigned address)
+{
+	int i;
+
+	if (device == DIMM0){
+		for (i=0; i < (sizeof spd_table/sizeof spd_table[0]); i++){
+			if (spd_table[i].address == address){
+				return spd_table[i].data;
+			}
+		}
+	}
+
+	/* returns 0xFF on any failures */
+	return 0xFF;
+}
+
+#define ManualConf 0		/* Do automatic strapped PLL config */
+/* CPU and GLIU mult/div 500/266*/
+#define PLLMSRhi 0x0000039C /* 33MHz PCI, 0x000003DD for 66MHz PCI */
+/* Hold Count - how long we will sit in reset */
+#define PLLMSRlo 0x00DE6000
+
+#include "northbridge/amd/lx/raminit.h"
+#include "northbridge/amd/lx/pll_reset.c"
+#include "northbridge/amd/lx/raminit.c"
+#include "sdram/generic_sdram.c"
+#include "cpu/amd/model_lx/cpureginit.c"
+#include "cpu/amd/model_lx/syspreinit.c"
+
+static void msr_init(void)
+{
+	msr_t msr;
+	/* Setup access to the cache for under 1MB. */
+	msr.hi = 0x24fffc02;
+	msr.lo = 0x1000A000;	/* 0-A0000 write back */
+	wrmsr(CPU_RCONF_DEFAULT, msr);
+
+	msr.hi = 0x0;		/* write back */
+	msr.lo = 0x0;
+	wrmsr(CPU_RCONF_A0_BF, msr);
+	wrmsr(CPU_RCONF_C0_DF, msr);
+	wrmsr(CPU_RCONF_E0_FF, msr);
+
+	/* Setup access to the cache for under 640K. Note MC not setup yet. */
+	msr.hi = 0x20000000;
+	msr.lo = 0xfff80;
+	wrmsr(MSR_GLIU0 + 0x20, msr);
+
+	msr.hi = 0x20000000;
+	msr.lo = 0x80fffe0;
+	wrmsr(MSR_GLIU0 + 0x21, msr);
+
+	msr.hi = 0x20000000;
+	msr.lo = 0xfff80;
+	wrmsr(MSR_GLIU1 + 0x20, msr);
+
+	msr.hi = 0x20000000;
+	msr.lo = 0x80fffe0;
+	wrmsr(MSR_GLIU1 + 0x21, msr);
+
+}
+
+static void mb_gpio_init(void)
+{
+	/* Early mainboard specific GPIO setup */
+}
+
+static void cs5536_setup_onchipuart2(void)
+{
+	msr_t msr;
+
+	/* GPIO4 - UART2_TX */
+	/* Set: Output Enable  (0x4) */
+	outl(GPIOL_4_SET, GPIO_IO_BASE + GPIOL_OUTPUT_ENABLE);
+	/* Set: OUTAUX1 Select (0x10) */
+	outl(GPIOL_4_SET, GPIO_IO_BASE + GPIOL_OUT_AUX1_SELECT);
+	/* GPIO4 - UART2_RX */
+	/* Set: Input Enable   (0x20) */
+	outl(GPIOL_3_SET, GPIO_IO_BASE + GPIOL_INPUT_ENABLE);
+	/* Set: INAUX1 Select  (0x34) */
+	outl(GPIOL_3_SET, GPIO_IO_BASE + GPIOL_IN_AUX1_SELECT);
+
+	/* Set: GPIO 3 + 3 Pull Up  (0x18) */
+	outl(GPIOL_3_SET | GPIOL_4_SET, GPIO_IO_BASE + GPIOL_PULLUP_ENABLE);
+
+	/* set address to 3F8 */
+	msr = rdmsr(MDD_LEG_IO);
+	msr.lo |= 0x7 << 20;
+	wrmsr(MDD_LEG_IO, msr);
+
+	/* Bit 1 = DEVEN (device enable)
+	 * Bit 4 = EN_BANKS (allow access to the upper banks
+	 */
+	msr.lo = (1 << 4) | (1 << 1);
+	msr.hi = 0;
+
+	/* enable COM2 */
+	wrmsr(MDD_UART2_CONF, msr);
+}
+
+void cache_as_ram_main(void)
+{
+	POST_CODE(0x01);
+
+	static const struct mem_controller memctrl[] = {
+		{.channel0 = {(0xa << 3) | 0, (0xa << 3) | 1}}
+	};
+
+	SystemPreInit();
+	msr_init();
+
+	cs5536_early_setup();
+
+	/* NOTE: must do this AFTER the early_setup!
+	 * it is counting on some early MSR setup
+	 * for cs5536
+	 */
+	/* cs5536_disable_internal_uart	 disable them. Set them up now... */
+	cs5536_setup_onchipuart2(); /* dbe61 uses UART2 as COM1 */
+	mb_gpio_init();
+	uart_init();
+	console_init();
+
+	pll_reset(ManualConf);
+
+	cpuRegInit();
+
+	sdram_initialize(1, memctrl);
+
+	/* Dump memory configuratation */
+	/*{
+	msr_t msr;
+	msr = rdmsr(MC_CF07_DATA);
+	print_debug("MC_CF07_DATA: ");
+	print_debug_hex32(MC_CF07_DATA);
+	print_debug(" value is: ");
+	print_debug_hex32(msr.hi);
+	print_debug(":");
+	print_debug_hex32(msr.lo);
+	print_debug(" \n");
+
+	msr = rdmsr(MC_CF1017_DATA);
+	print_debug("MC_CF1017_DATA: ");
+	print_debug_hex32(MC_CF1017_DATA);
+	print_debug(" value is: ");
+	print_debug_hex32(msr.hi);
+	print_debug(":");
+	print_debug_hex32(msr.lo);
+	print_debug(" \n");
+
+	msr = rdmsr(MC_CF8F_DATA);
+	print_debug("MC_CF8F_DATA: ");
+	print_debug_hex32(MC_CF8F_DATA);
+	print_debug(" value is: ");
+	print_debug_hex32(msr.hi);
+	print_debug(":");
+	print_debug_hex32(msr.lo);
+	msr = rdmsr(MC_CF8F_DATA);
+	print_debug(" \n");
+	}*/
+
+	/* Check memory. */
+	/* ram_check(0x00000000, 640 * 1024); */
+
+	/* Memory is setup. Return to cache_as_ram.inc and continue to boot */
+	return;
+}
diff --git a/src/mainboard/artecgroup/dbe61/irq_tables.c b/src/mainboard/artecgroup/dbe61/irq_tables.c
index 4322e20e9b..07ded9d386 100644
--- a/src/mainboard/artecgroup/dbe61/irq_tables.c
+++ b/src/mainboard/artecgroup/dbe61/irq_tables.c
@@ -1,60 +1,105 @@
-/* This file was generated by getpir.c, do not modify! 
-   (but if you do, please run checkpir on it to verify)
- * Contains the IRQ Routing Table dumped directly from your memory, which BIOS sets up
+/*
+ * This file is part of the LinuxBIOS project.
  *
- * Documentation at : http://www.microsoft.com/hwdev/busbios/PCIIRQ.HTM
-*/
+ * Copyright (C) 2007 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 version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
 
 #include <arch/pirq_routing.h>
+#include <console/console.h>
+#include <arch/io.h>
+#include <arch/pirq_routing.h>
+#include "../../../southbridge/amd/cs5536/cs5536.h"
 
-#define ID_SLOT_PCI_NET		1			// ThinCan ethernet
-#define ID_SLOT_PCI_RSVD1	2           // reserved entry 1
-#define ID_SLOT_PCI_RSVD3	3           // reserved entry 2
-#define ID_SLOT_PCI_RSVD2	4			// reserved entry 3
-#define ID_EMBED_PCI		0xff		// onboard PCI device
+/* Platform IRQs */
+#define PIRQA 10
+#define PIRQB 11
+#define PIRQC 10
+#define PIRQD 11
 
-// CS5535 PCI INT[A-D] Interrupt Routing lines.
-#define NO_CONNECT			0			// not used
-#define CS_PCI_INTA			1			// PCI INTA
-#define CS_PCI_INTB			2			// PCI INTB
-#define CS_PCI_INTC			3			// PCI INTC
-#define CS_PCI_INTD			4			// PCI INTD
+/* Map */
+#define M_PIRQA (1 << PIRQA)	/* Bitmap of supported IRQs */
+#define M_PIRQB (1 << PIRQB)	/* Bitmap of supported IRQs */
+#define M_PIRQC (1 << PIRQC)	/* Bitmap of supported IRQs */
+#define M_PIRQD (1 << PIRQD)	/* Bitmap of supported IRQs */
 
-// IRQ bitmap reference line	FEDCBA9876543210
-//								0000110000100000b
-#define PCI_IRQ					0xc20	// PCI allowed IRQs here
+/* Link */
+#define L_PIRQA	 1		/* Means Slot INTx# Connects To Chipset INTA# */
+#define L_PIRQB	 2		/* Means Slot INTx# Connects To Chipset INTB# */
+#define L_PIRQC	 3		/* Means Slot INTx# Connects To Chipset INTC# */
+#define L_PIRQD	 4		/* Means Slot INTx# Connects To Chipset INTD# */
 
-const struct irq_routing_table intel_irq_routing_table = 
-{
-	PIRQ_SIGNATURE,  /* u32 signature */
-	PIRQ_VERSION,    /* u16 version   */
-	32+16*6,		/* there can be total 2 devices on the bus */
-	0x00,		 /* Where the interrupt router lies (bus) */
-	(0x12<<3)|0x0,   /* Where the interrupt router lies (dev) */
-	0x0800,			/* IRQs devoted exclusively to PCI usage */
-	0x1022,			/* Vendor */
-	0x208f,			/* Device */
-	0x00000000,		/* Crap (miniport) */
-	{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* u8 rfu[11] */
-	0xdf,         /*  u8 checksum , this hase to set to some value that would give 0 after the sum of all bytes for this structure (including checksum) */
+const struct irq_routing_table intel_irq_routing_table = {
+	PIRQ_SIGNATURE,		/* u32 signature */
+	PIRQ_VERSION,		/* u16 version   */
+	32 + 16 * IRQ_SLOT_COUNT,	/* there can be total 6 devices on the bus */
+	0x00,			/* Where the interrupt router lies (bus) */
+	(0x0F << 3) | 0x0,	/* Where the interrupt router lies (dev) */
+	0x00,			/* IRQs devoted exclusively to PCI usage */
+	0x100B,			/* Vendor */
+	0x002B,			/* Device */
+	0,			/* Crap (miniport) */
+	{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},	/* u8 rfu[11] */
+	0x00,			/*      u8 checksum , this has to set to some value that would give 0 after the sum of all bytes for this structure (including checksum) */
 	{
-		/* bus,     dev|fn,   {link, bitmap}, {link, bitmap}, {link, bitmap}, {link, bitmap},  slot, rfu */
-		// Geode GX3 Host Bridge and VGA Graphics
-		{0, 0x01<<3, {{CS_PCI_INTA, PCI_IRQ}, {NO_CONNECT, PCI_IRQ}, {NO_CONNECT, PCI_IRQ}, {NO_CONNECT, PCI_IRQ}}, ID_EMBED_PCI, 0x0},
-		// Realtek RTL8100/8139 Network Controller
-		{0, 0x0d<<3, {{CS_PCI_INTB, PCI_IRQ}, {CS_PCI_INTC, PCI_IRQ}, {CS_PCI_INTD, PCI_IRQ}, {CS_PCI_INTA, PCI_IRQ}}, ID_SLOT_PCI_NET, 0x0},
-		// Reserved for future extensions
-		{0, 0x0c<<3, {{CS_PCI_INTA, PCI_IRQ}, {CS_PCI_INTB, PCI_IRQ}, {CS_PCI_INTC, PCI_IRQ}, {CS_PCI_INTD, PCI_IRQ}}, ID_SLOT_PCI_RSVD1, 0x0},
-		// Geode CS5535/CS5536 IO Companion: USB controllers, IDE, Audio.
-		{0, 0x0f<<3, {{CS_PCI_INTA, PCI_IRQ}, {CS_PCI_INTB, PCI_IRQ}, {CS_PCI_INTC, PCI_IRQ}, {CS_PCI_INTD, PCI_IRQ}}, ID_EMBED_PCI, 0x0},
-		// Reserved for future extensions
-		{0, 0x0e<<3, {{CS_PCI_INTC, PCI_IRQ}, {CS_PCI_INTD, PCI_IRQ}, {CS_PCI_INTA, PCI_IRQ}, {CS_PCI_INTB, PCI_IRQ}}, ID_SLOT_PCI_RSVD2, 0x0},
-		// Reserved for future extensions
-		{0, 0x0b<<3, {{CS_PCI_INTD, PCI_IRQ}, {CS_PCI_INTA, PCI_IRQ}, {CS_PCI_INTB, PCI_IRQ}, {CS_PCI_INTC, PCI_IRQ}}, ID_SLOT_PCI_RSVD3, 0x0}
-	}
+	 /* If you change the number of entries, change the IRQ_SLOT_COUNT above! */
+	 /* bus, dev|fn,           {link, bitmap},      {link, bitmap},     {link, bitmap},     {link, bitmap},     slot, rfu */
+	 {0x00, (0x01 << 3) | 0x0, {{L_PIRQA, M_PIRQA}, {0x00, 0x00}, {0x00, 0x00}, {0x00, 0x00}}, 0x0, 0x0},	/* cpu */
+	 {0x00, (0x0F << 3) | 0x0, {{L_PIRQA, M_PIRQA}, {L_PIRQB, M_PIRQB}, {L_PIRQC, M_PIRQC}, {L_PIRQD, M_PIRQD}}, 0x0, 0x0},	/* chipset */
+	 {0x00, (0x0D << 3) | 0x0, {{L_PIRQC, M_PIRQC}, {0x00, 0x00}, {0x00, 0x00}, {0x00, 0x00}}, 0x0, 0x0},	/* ethernet */
+	 }
 };
 
 unsigned long write_pirq_routing_table(unsigned long addr)
 {
-        return copy_pirq_routing_table(addr);
-}
+	int i, j, k, num_entries;
+	unsigned char pirq[4];
+	uint16_t chipset_irq_map;
+	uint32_t pciAddr, pirtable_end;
+	struct irq_routing_table *pirq_tbl;
+
+	pirtable_end = copy_pirq_routing_table(addr);
+
+	/* Set up chipset IRQ steering. */
+	pciAddr = 0x80000000 | (CHIPSET_DEV_NUM << 11) | 0x5C;
+	chipset_irq_map = (PIRQD << 12 | PIRQC << 8 | PIRQB << 4 | PIRQA);
+	printk_debug("%s(%08X, %04X)\n", __FUNCTION__, pciAddr,
+		     chipset_irq_map);
+	outl(pciAddr & ~3, 0xCF8);
+	outl(chipset_irq_map, 0xCFC);
+
+	pirq_tbl = (struct irq_routing_table *)(addr);
+	num_entries = (pirq_tbl->size - 32) / 16;
+
+	/* Set PCI IRQs. */
+	for (i = 0; i < num_entries; i++) {
+		printk_debug("PIR Entry %d Dev/Fn: %X Slot: %d\n", i,
+			     pirq_tbl->slots[i].devfn, pirq_tbl->slots[i].slot);
+		for (j = 0; j < 4; j++) {
+			printk_debug("INT: %c bitmap: %x ", 'A' + j,
+				     pirq_tbl->slots[i].irq[j].bitmap);
+			for (k = 0; (!((pirq_tbl->slots[i].irq[j].bitmap >> k) & 1)) && (pirq_tbl->slots[i].irq[j].bitmap != 0); k++) ;	/* Finds lsb in bitmap to IRQ#. */
+			pirq[j] = k;
+			printk_debug("PIRQ: %d\n", k);
+		}
+
+		/* Bus, device, slots IRQs for {A,B,C,D}. */
+		pci_assign_irqs(pirq_tbl->slots[i].bus,
+				pirq_tbl->slots[i].devfn >> 3, pirq);
+	}
+
+	/* Put the PIR table in memory and checksum. */
+	return pirtable_end;
+}
\ No newline at end of file
diff --git a/src/mainboard/artecgroup/dbe61/mainboard.c b/src/mainboard/artecgroup/dbe61/mainboard.c
index 0476400de0..ba60b53f64 100644
--- a/src/mainboard/artecgroup/dbe61/mainboard.c
+++ b/src/mainboard/artecgroup/dbe61/mainboard.c
@@ -1,3 +1,22 @@
+/*
+* This file is part of the LinuxBIOS project.
+*
+* Copyright (C) 2007 Advanced Micro Devices
+*
+* This program is free software; you can redistribute it and/or modify
+* it under the terms of the GNU General Public License version 2 as
+* published by the Free Software Foundation.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	See the
+* GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with this program; if not, write to the Free Software
+* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+*/
+
 #include <console/console.h>
 #include <device/device.h>
 #include <device/pci.h>
@@ -6,20 +25,15 @@
 #include <arch/io.h>
 #include <cpu/x86/msr.h>
 #include <cpu/amd/lxdef.h>
+#include "../../../southbridge/amd/cs5536/cs5536.h"
 #include "chip.h"
 
-#define DIVIL_LBAR_GPIO		0x5140000c
-
 static void init_gpio()
 {
 	msr_t msr;
-	printk_debug("Initializing GPIO module...\n");
+	printk_debug("Checking GPIO module...\n");
 
-	// initialize the GPIO LBAR
-	msr.lo = GPIO_BASE;
-	msr.hi = 0x0000f001;
-	wrmsr(DIVIL_LBAR_GPIO, msr);
-	msr = rdmsr(DIVIL_LBAR_GPIO);
+	msr = rdmsr(MDD_LBAR_GPIO);
 	printk_debug("DIVIL_LBAR_GPIO set to 0x%08x 0x%08x\n", msr.hi, msr.lo);
 }
 
diff --git a/src/mainboard/artecgroup/dbe61/spd_table.h b/src/mainboard/artecgroup/dbe61/spd_table.h
new file mode 100644
index 0000000000..00b6e7da10
--- /dev/null
+++ b/src/mainboard/artecgroup/dbe61/spd_table.h
@@ -0,0 +1,53 @@
+/*
+ * This file is part of the LinuxBIOS project.
+ *
+ * Copyright (C) 2007 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; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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 <spd.h>
+
+struct spd_entry {
+	unsigned int address;
+	unsigned int data;
+	};
+
+/* Save space by using a short list of SPD values used by Geode LX Memory init */
+/* 128MB */
+const struct spd_entry spd_table [] = 
+{
+{SPD_MEMORY_TYPE,                     0x07}, /* (Fundamental) memory type */
+{SPD_NUM_ROWS,                        0x0D}, /* Number of row address bits */
+{SPD_NUM_COLUMNS,                     0x09}, /* Number of column address bits */
+{SPD_NUM_DIMM_BANKS,                  0x01}, /* Number of module rows (banks) */
+{SPD_MIN_CYCLE_TIME_AT_CAS_MAX,       0x50}, /* SDRAM cycle time (highest CAS latency), RAS access time (tRAC) */
+{SPD_REFRESH,                         0x82}, /* Refresh rate/type */
+{SPD_PRIMARY_SDRAM_WIDTH,             0x08}, /* SDRAM width (primary SDRAM) */
+{SPD_NUM_BANKS_PER_SDRAM,             0x04}, /* SDRAM device attributes, number of banks on SDRAM device */
+{SPD_ACCEPTABLE_CAS_LATENCIES,        0x1C}, /* SDRAM device attributes, CAS latency */
+{SPD_MODULE_ATTRIBUTES,               0x20}, /* SDRAM module attributes */
+{SPD_DEVICE_ATTRIBUTES_GENERAL,       0xC0}, /* SDRAM device attributes, general */
+{SPD_SDRAM_CYCLE_TIME_2ND,            0x60}, /* SDRAM cycle time (2nd highest CAS latency) */
+{SPD_SDRAM_CYCLE_TIME_3RD,            0x75}, /* SDRAM cycle time (3rd highest CAS latency) */
+{SPD_MIN_ROW_PRECHARGE_TIME,          0x3C}, /* Minimum row precharge time (Trp) */
+{SPD_MIN_ROWACTIVE_TO_ROWACTIVE,      0x28}, /* Minimum row active to row active (Trrd) */
+{SPD_MIN_RAS_TO_CAS_DELAY,            0x3C}, /* Minimum RAS to CAS delay (Trcd) */
+{SPD_MIN_ACTIVE_TO_PRECHARGE_DELAY,   0x28}, /* Minimum RAS pulse width (Tras) */
+{SPD_DENSITY_OF_EACH_ROW_ON_MODULE,   0x20}, /* Density of each row on module */
+{SPD_CMD_SIGNAL_INPUT_HOLD_TIME,      0x60}, /* Command and address signal input hold time */
+{SPD_tRC,                             0x37}, /* SDRAM Device Minimum Active to Active/Auto Refresh Time (tRC) */
+{SPD_tRFC,                            0x46}  /* SDRAM Device Minimum Auto Refresh to Active/Auto Refresh (tRFC) */
+};