Intel E7501 P64H2 ICH5R support

git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1616 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

8 files changed, 906 insertions, 0 deletions

diff --git a/src/mainboard/tyan/s2735/Config.lb b/src/mainboard/tyan/s2735/Config.lb
new file mode 100644
index 0000000000..2b94689ba6
--- /dev/null
+++ b/src/mainboard/tyan/s2735/Config.lb
@@ -0,0 +1,222 @@
+uses HAVE_MP_TABLE
+uses HAVE_PIRQ_TABLE
+uses USE_FALLBACK_IMAGE
+uses LB_CKS_RANGE_START
+uses LB_CKS_RANGE_END
+uses LB_CKS_LOC
+uses MAINBOARD
+uses ARCH
+uses HARD_RESET_BUS
+uses HARD_RESET_DEVICE
+uses HARD_RESET_FUNCTION
+#
+#
+###
+### Set all of the defaults for an x86 architecture
+###
+#
+#
+###
+### Build the objects we have code for in this directory.
+###
+##object mainboard.o
+config chip.h
+register "fixup_scsi" = "1" 
+register "fixup_vga" = "1"
+
+
+##
+## Move the default LinuxBIOS cmos range off of AMD RTC registers
+##
+default LB_CKS_RANGE_START=49
+default LB_CKS_RANGE_END=122
+default LB_CKS_LOC=123
+
+driver mainboard.o
+#dir /drvers/adaptec/7902
+#dir /drivers/si/3114
+#dir /drivers/intel/82551_ipmi
+#dir /drivers/ati/ragexl
+if HAVE_MP_TABLE object mptable.o end
+if HAVE_PIRQ_TABLE object irq_tables.o end
+#
+#default HARD_RESET_BUS=1
+#default HARD_RESET_DEVICE=4
+#default HARD_RESET_FUNCTION=0
+#
+arch i386 end
+#
+###
+### Build our 16 bit and 32 bit linuxBIOS entry code
+###
+mainboardinit cpu/i386/entry16.inc
+mainboardinit cpu/i386/entry32.inc
+mainboardinit cpu/i386/bist32.inc
+ldscript /cpu/i386/entry16.lds
+ldscript /cpu/i386/entry32.lds
+#
+###
+### Build our reset vector (This is where linuxBIOS is entered)
+###
+if USE_FALLBACK_IMAGE 
+	mainboardinit cpu/i386/reset16.inc 
+	ldscript /cpu/i386/reset16.lds 
+else
+	mainboardinit cpu/i386/reset32.inc 
+	ldscript /cpu/i386/reset32.lds 
+end
+#
+#### Should this be in the northbridge code?
+mainboardinit arch/i386/lib/cpu_reset.inc
+#
+###
+### Include an id string (For safe flashing)
+###
+mainboardinit arch/i386/lib/id.inc
+ldscript /arch/i386/lib/id.lds
+#
+####
+#### This is the early phase of linuxBIOS startup 
+#### Things are delicate and we test to see if we should
+#### failover to another image.
+####
+#option MAX_REBOOT_CNT=2
+if USE_FALLBACK_IMAGE
+  ldscript /arch/i386/lib/failover.lds 
+end
+#
+###
+### Setup our mtrrs
+###
+#mainboardinit cpu/p6/earlymtrr.inc
+###
+### Only the bootstrap cpu makes it here.
+### Failover if we need to 
+###
+#
+if USE_FALLBACK_IMAGE
+  mainboardinit ./failover.inc
+end
+
+#
+#
+###
+### Setup the serial port
+###
+mainboardinit pc80/serial.inc
+mainboardinit arch/i386/lib/console.inc
+mainboardinit cpu/i386/bist32_fail.inc
+#
+####
+#### O.k. We aren't just an intermediary anymore!
+####
+#
+###
+### When debugging disable the watchdog timer
+###
+##option MAXIMUM_CONSOLE_LOGLEVEL=7
+#default MAXIMUM_CONSOLE_LOGLEVEL=7
+#
+#if USE_FALLBACK_IMAGE mainboardinit arch/i386/lib/noop_failover.inc  end
+#
+###
+### Romcc output
+###
+
+makerule ./failover.E
+	depends "$(MAINBOARD)/failover.c" 
+	action "$(CPP) -I$(TOP)/src $(ROMCCPPFLAGS) $(CPPFLAGS) $(MAINBOARD)/failover.c > ./failover.E"
+end
+
+makerule ./failover.inc
+	depends "./romcc ./failover.E"
+	action "./romcc -O -o failover.inc --label-prefix=failover ./failover.E"
+end
+
+makerule ./auto.E 
+        depends "$(MAINBOARD)/auto.c option_table.h"
+        action  "$(CPP) -I$(TOP)/src -I. $(ROMCCPPFLAGS) $(CPPFLAGS) $(MAINBOARD)/auto.c > ./auto.E"
+end
+makerule ./auto.inc 
+	depends "./romcc ./auto.E"
+	action "./romcc -O2 -mcpu=k8 -o auto.inc --label-prefix=auto ./auto.E" 
+#        action  "./romcc -O2 ./auto.E > auto.inc"
+end
+mainboardinit cpu/p6/enable_mmx_sse.inc
+mainboardinit ./auto.inc
+mainboardinit cpu/p6/disable_mmx_sse.inc
+#
+###
+### Include the secondary Configuration files 
+###
+
+config chip.h
+
+northbridge intel/e7501 "e7501"
+		pci 0:2.0
+		pci 0:0.0
+		pci 0:0.1
+                pci 0:6.0
+	southbridge intel/i82870 "i82870"
+		pci 0:1c.0
+		pci 0:1d.0
+		pci 0:1e.0
+		pci 0:1f.0
+	end
+end
+        southbridge intel/i82801er "i82801er"
+                pci 0:1f.0 
+                pci 0:1d.0 on
+                pci 0:1d.1 on
+                pci 0:1d.2 on
+                pci 0:1d.3 on
+                pci 0:1d.7 on
+                pci 0:1e.0 on
+                pci 0:1f.1 off
+                pci 0:1f.2 on
+                pci 0:1f.3 on
+                pci 0:1f.5 off
+                pci 0:1f.6 off
+#                pci 1:8.0 off
+                superio winbond/w83627hf 
+                        pnp 2e.0 on #  Floppy
+                                 io 0x60 = 0x3f0
+                                irq 0x70 = 6
+                                drq 0x74 = 2
+                        pnp 2e.1 off #  Parallel Port
+                                 io 0x60 = 0x378
+                                irq 0x70 = 7
+                        pnp 2e.2 on #  Com1
+                                 io 0x60 = 0x3f8
+                                irq 0x70 = 4
+                        pnp 2e.3 off #  Com2
+                                 io 0x60 = 0x2f8
+                                irq 0x70 = 3
+                        pnp 2e.5 on #  Keyboard
+                                 io 0x60 = 0x60
+                                 io 0x62 = 0x64
+                                irq 0x70 = 1
+				irq 0x72 = 12
+                        pnp 2e.6 off #  CIR
+                        pnp 2e.7 off #  GAME_MIDI_GIPO1
+                        pnp 2e.8 off #  GPIO2
+                        pnp 2e.9 off #  GPIO3
+                        pnp 2e.a off #  ACPI
+                        pnp 2e.b on  #  HW Monitor
+				 io 0x60 = 0x290
+                end
+        end
+#end
+dir /pc80
+#dir /bioscall
+cpu p6 "cpu0"
+end
+
+cpu p6 "cpu1"
+end
+
+cpu p6 "cpu2"
+end
+
+cpu p6 "cpu3"
+end
diff --git a/src/mainboard/tyan/s2735/auto.c b/src/mainboard/tyan/s2735/auto.c
new file mode 100644
index 0000000000..3a99aa29a9
--- /dev/null
+++ b/src/mainboard/tyan/s2735/auto.c
@@ -0,0 +1,135 @@
+#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/smp/lapic.h>
+#include "option_table.h"
+#include "pc80/mc146818rtc_early.c"
+#include "pc80/serial.c"
+#include "arch/i386/lib/console.c"
+#include "ram/ramtest.c"
+#include "southbridge/intel/i82801er/i82801er_early_smbus.c"
+#include "northbridge/intel/e7501/raminit.h"
+
+#if 1
+#include "cpu/p6/apic_timer.c"
+#include "lib/delay.c"
+#endif
+
+#include "cpu/p6/boot_cpu.c"
+#include "northbridge/intel/e7501/debug.c"
+#include "superio/winbond/w83627hf/w83627hf_early_serial.c" 
+
+#include "cpu/p6/earlymtrr.c"
+
+#define SERIAL_DEV PNP_DEV(0x2e, W83627HF_SP1)
+
+static void hard_reset(void)
+{
+        outb(0x0e, 0x0cf9);
+}
+
+static void memreset_setup(void)
+{
+}
+
+static void memreset(int controllers, const struct mem_controller *ctrl)
+{
+}
+
+
+
+static inline void activate_spd_rom(const struct mem_controller *ctrl)
+{
+        /* nothing to do */
+}
+ 
+static inline int spd_read_byte(unsigned device, unsigned address)
+{
+	return smbus_read_byte(device, address);
+}
+
+#include "northbridge/intel/e7501/raminit.c"
+#include "northbridge/intel/e7501/reset_test.c"
+#include "sdram/generic_sdram.c"
+
+static void main(void)
+{
+	static const struct mem_controller memctrl[] = {
+		{
+			.d0 = PCI_DEV(0, 0, 0),
+			.d0f1 = PCI_DEV(0, 0, 1),
+			.channel0 = { (0xa<<3)|0, (0xa<<3)|1, (0xa<<3)|2, 0 },
+			.channel1 = { (0xa<<3)|4, (0xa<<3)|5, (0xa<<3)|6, 0 },
+		},
+	};
+
+#if 1
+        enable_lapic();
+        init_timer();
+#endif
+        
+        w83627hf_enable_serial(SERIAL_DEV, TTYS0_BASE);
+        uart_init();
+        console_init();
+//        setup_default_resource_map();
+#if 0
+	print_pci_devices();
+#endif
+	if(!bios_reset_detected()) {
+        	enable_smbus();
+#if 0
+//      	dump_spd_registers(&memctrl[0]);
+        	dump_smbus_registers();
+#endif
+
+		memreset_setup();
+		sdram_initialize(sizeof(memctrl)/sizeof(memctrl[0]), memctrl);
+	} 
+#if 0
+	else {
+		        /* clear memory 1meg */
+        __asm__ volatile(
+                "1: \n\t"
+                "movl %0, %%fs:(%1)\n\t"
+                "addl $4,%1\n\t"
+                "subl $4,%2\n\t"
+                "jnz 1b\n\t"
+                :
+                : "a" (0), "D" (0), "c" (1024*1024)
+                ); 
+	
+	}
+#endif
+
+#if 0
+	dump_pci_devices();
+#endif
+#if 0
+	dump_pci_device(PCI_DEV(0, 0, 0));
+#endif
+
+#if 0
+	msr_t msr;
+	msr = rdmsr(TOP_MEM2);
+	print_debug("TOP_MEM2: ");
+	print_debug_hex32(msr.hi);
+	print_debug_hex32(msr.lo);
+	print_debug("\r\n");
+#endif
+/*
+#if  0
+	ram_check(0x00000000, msr.lo+(msr.hi<<32));
+#else
+#if 0
+	// Check 16MB of memory @ 0
+	ram_check(0x00000000, 0x01000000);
+#else
+	// Check 16MB of memory @ 2GB 
+	ram_check(0x80000000, 0x81000000);
+#endif
+#endif
+*/
+}
diff --git a/src/mainboard/tyan/s2735/chip.h b/src/mainboard/tyan/s2735/chip.h
new file mode 100644
index 0000000000..f3a2ec6962
--- /dev/null
+++ b/src/mainboard/tyan/s2735/chip.h
@@ -0,0 +1,6 @@
+extern struct chip_control mainboard_tyan_s2735_control;
+
+struct mainboard_tyan_s2735_config {
+	int fixup_scsi;
+	int fixup_vga;
+};
diff --git a/src/mainboard/tyan/s2735/cmos.layout b/src/mainboard/tyan/s2735/cmos.layout
new file mode 100644
index 0000000000..2252e6720c
--- /dev/null
+++ b/src/mainboard/tyan/s2735/cmos.layout
@@ -0,0 +1,96 @@
+entries
+
+#start-bit length  config config-ID    name
+#0            8       r       0        seconds
+#8            8       r       0        alarm_seconds
+#16           8       r       0        minutes
+#24           8       r       0        alarm_minutes
+#32           8       r       0        hours
+#40           8       r       0        alarm_hours
+#48           8       r       0        day_of_week
+#56           8       r       0        day_of_month
+#64           8       r       0        month
+#72           8       r       0        year
+#80           4       r       0        rate_select
+#84           3       r       0        REF_Clock
+#87           1       r       0        UIP
+#88           1       r       0        auto_switch_DST
+#89           1       r       0        24_hour_mode
+#90           1       r       0        binary_values_enable
+#91           1       r       0        square-wave_out_enable
+#92           1       r       0        update_finished_enable
+#93           1       r       0        alarm_interrupt_enable
+#94           1       r       0        periodic_interrupt_enable
+#95           1       r       0        disable_clock_updates
+#96         288       r       0        temporary_filler
+0          384       r       0        reserved_memory
+384          1       e       4        boot_option
+385          1       e       4        last_boot
+386          1       e       1        ECC_memory
+388          4       r       0        reboot_bits
+392          3       e       5        baud_rate
+395          1       e       2        hyper_threading
+396          1       e       1        thermal_monitoring 
+397          1       e       1        remap_memory_high 
+400          1       e       1        power_on_after_fail
+412          4       e       6        debug_level
+416          4       e       7        boot_first
+420          4       e       7        boot_second
+424          4       e       7        boot_third
+428          4       h       0        boot_index
+432	     8       h       0        boot_countdown
+#440          4       e       9        slow_cpu
+444          1       e       1        nmi
+728        256       h       0        user_data
+984         16       h       0        check_sum
+# Reserve the extended AMD configuration registers
+1000        24       r       0        reserved_memory
+
+
+
+enumerations
+
+#ID value   text
+1     0     Disable
+1     1     Enable
+2     0     Enable
+2     1     Disable
+4     0     Fallback
+4     1     Normal
+5     0     115200
+5     1     57600
+5     2     38400
+5     3     19200
+5     4     9600
+5     5     4800
+5     6     2400
+5     7     1200
+6     6     Notice
+6     7     Info
+6     8     Debug
+6     9     Spew
+7     0     Network
+7     1     HDD
+7     2     Floppy
+7     8     Fallback_Network
+7     9     Fallback_HDD
+7     10    Fallback_Floppy
+#7     3     ROM
+#8     0     200Mhz
+#8     1     166Mhz
+#8     2     133Mhz
+#8     3     100Mhz
+#9     0     off
+#9     1     87.5%
+#9     2     75.0%
+#9     3     62.5%
+#9     4     50.0%
+#9     5     37.5%
+#9     6     25.0%
+#9     7     12.5%
+
+checksums
+
+checksum 392 983 984
+
+
diff --git a/src/mainboard/tyan/s2735/failover.c b/src/mainboard/tyan/s2735/failover.c
new file mode 100644
index 0000000000..6ba3cae62a
--- /dev/null
+++ b/src/mainboard/tyan/s2735/failover.c
@@ -0,0 +1,59 @@
+#define ASSEMBLY 1
+#include <stdint.h>
+#include <device/pci_def.h>
+#include <device/pci_ids.h>
+#include <arch/io.h>
+#include <arch/romcc_io.h>
+#include <arch/smp/lapic.h>
+#include "pc80/mc146818rtc_early.c"
+#include "southbridge/intel/i82801er/cmos_failover.c"
+#include "cpu/p6/boot_cpu.c"
+#include "northbridge/intel/e7501/reset_test.c"
+
+#define HAVE_REGPARM_SUPPORT 0
+#if HAVE_REGPARM_SUPPORT
+static unsigned long main(unsigned long bist)
+{
+#else
+static void main(void)
+{
+	unsigned long bist = 0;
+	
+#endif
+	/* Is this a deliberate reset by the bios */
+	if (bios_reset_detected() && last_boot_normal()) {
+		goto normal_image;
+	}
+	/* This is the primary cpu how should I boot? */
+	else  {
+
+		check_cmos_failed();		
+
+		if (do_normal_boot()) {
+			goto normal_image;
+		}
+		else {
+			goto fallback_image;
+		}
+	}
+ normal_image:
+	asm volatile ("jmp __normal_image" 
+		: /* outputs */ 
+		: "a" (bist) /* inputs */
+		: /* clobbers */
+		);
+#if 0
+ cpu_reset:
+	asm volatile ("jmp __cpu_reset"
+		: /* outputs */ 
+		: "a"(bist) /* inputs */
+		: /* clobbers */
+		);
+#endif
+ fallback_image:
+#if HAVE_REGPARM_SUPPORT
+	return bist;
+#else
+	return;
+#endif
+}
diff --git a/src/mainboard/tyan/s2735/irq_tables.c b/src/mainboard/tyan/s2735/irq_tables.c
new file mode 100644
index 0000000000..b85847e9aa
--- /dev/null
+++ b/src/mainboard/tyan/s2735/irq_tables.c
@@ -0,0 +1,40 @@
+/* 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 , wich BIOS sets up
+
+   Documentation at : http://www.microsoft.com/hwdev/busbios/PCIIRQ.HTM
+*/
+
+#include <arch/pirq_routing.h>
+
+const struct irq_routing_table intel_irq_routing_table = {
+	PIRQ_SIGNATURE,  /* u32 signature */
+	PIRQ_VERSION,    /* u16 version   */
+	32+16*15,	 /* there can be total 15 devices on the bus */
+	0x00,		 /* Where the interrupt router lies (bus) */
+	(0x1f<<3)|0x0,   /* Where the interrupt router lies (dev) */
+	0,		 /* IRQs devoted exclusively to PCI usage */
+	0x8086,		 /* Vendor */
+	0x24d0,		 /* Device */
+	0,		 /* Crap (miniport) */
+	{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* u8 rfu[11] */
+	0x9a,         /*  u8 checksum , this hase 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 */
+		{0x04,(0x08<<3)|0x0, {{0x68, 0xdcf8}, {0x00, 0x0000}, {0x00, 0x0000}, {0x00, 0x00000}}, 0x0, 0x0},
+		{0x00,(0x1f<<3)|0x0, {{0x62, 0xdcf8}, {0x61, 0xdcf8}, {0x00, 0x0000}, {0x00, 0x00000}}, 0x0, 0x0},
+		{0x00,(0x1d<<3)|0x0, {{0x60, 0xdcf8}, {0x63, 0xdcf8}, {0x62, 0xdcf8}, {0x6b, 0x0dcf8}}, 0x0, 0x0},
+		{0x04,(0x03<<3)|0x0, {{0x62, 0xdcf8}, {0x63, 0xdcf8}, {0x60, 0xdcf8}, {0x61, 0x0dcf8}}, 0x3, 0x0},
+		{0x04,(0x02<<3)|0x0, {{0x62, 0xdcf8}, {0x00, 0x0000}, {0x00, 0x0000}, {0x00, 0x00000}}, 0x0, 0x0},
+		{0x03,(0x1f<<3)|0x0, {{0x60, 0xdcf8}, {0x00, 0x0000}, {0x00, 0x0000}, {0x00, 0x00000}}, 0x0, 0x0},
+		{0x02,(0x1f<<3)|0x0, {{0x60, 0xdcf8}, {0x00, 0x0000}, {0x00, 0x0000}, {0x00, 0x00000}}, 0x0, 0x0},
+		{0x03,(0x03<<3)|0x0, {{0x60, 0xdcf8}, {0x60, 0xdcf8}, {0x60, 0xdcf8}, {0x60, 0x0dcf8}}, 0x1, 0x0},
+		{0x03,(0x06<<3)|0x0, {{0x60, 0xdcf8}, {0x60, 0xdcf8}, {0x60, 0xdcf8}, {0x60, 0x0dcf8}}, 0x2, 0x0},
+		{0x02,(0x01<<3)|0x0, {{0x60, 0xdcf8}, {0x60, 0xdcf8}, {0x00, 0x0000}, {0x00, 0x00000}}, 0x0, 0x0},
+		{0x02,(0x02<<3)|0x0, {{0x60, 0xdcf8}, {0x60, 0xdcf8}, {0x00, 0x0000}, {0x00, 0x00000}}, 0x0, 0x0},
+		{0x04,(0x01<<3)|0x0, {{0x61, 0xdcf8}, {0x00, 0x0000}, {0x00, 0x0000}, {0x00, 0x00000}}, 0x0, 0x0},
+		{0x04,(0x04<<3)|0x0, {{0x63, 0xdcf8}, {0x60, 0xdcf8}, {0x61, 0xdcf8}, {0x62, 0x0dcf8}}, 0x4, 0x0},
+		{0x03,(0x04<<3)|0x0, {{0x60, 0xdcf8}, {0x60, 0xdcf8}, {0x60, 0xdcf8}, {0x60, 0x0dcf8}}, 0x5, 0x0},
+		{0x03,(0x05<<3)|0x0, {{0x60, 0xdcf8}, {0x60, 0xdcf8}, {0x60, 0xdcf8}, {0x60, 0x0dcf8}}, 0x6, 0x0},
+	}
+};
diff --git a/src/mainboard/tyan/s2735/mainboard.c b/src/mainboard/tyan/s2735/mainboard.c
new file mode 100644
index 0000000000..143909f1a5
--- /dev/null
+++ b/src/mainboard/tyan/s2735/mainboard.c
@@ -0,0 +1,183 @@
+#include <console/console.h>
+#include <device/device.h>
+#include <device/chip.h>
+#include <device/pci.h>
+#include <device/pci_ids.h>
+#include <device/pci_ops.h>
+#include "chip.h"
+//#include <part/mainboard.h>
+//#include "lsi_scsi.c"
+unsigned long initial_apicid[CONFIG_MAX_CPUS] =
+{
+	0, 6, 1, 7
+};
+#if 0
+static void fixup_lsi_53c1030(struct device *pdev)
+{
+//	uint8_t byte;
+	uint16_t word;
+
+	byte = 1;
+        pci_write_config8(pdev, 0xff, byte);
+           // Set the device id 
+//      pci_write_config_word(pdev, PCI_DEVICE_ID, PCI_DEVICE_ID_LSILOGIC_53C1030);
+           // Set the subsytem vendor id 
+//      pci_write_config16(pdev, PCI_SUBSYSTEM_VENDOR_ID, PCI_VENDOR_ID_TYAN);  
+        word = 0x10f1;
+	pci_write_config16(pdev, PCI_SUBSYSTEM_VENDOR_ID, word);
+            // Set the subsytem id 
+	word = 0x2880;
+        pci_write_config16(pdev, PCI_SUBSYSTEM_ID, word);
+            // Disable writes to the device id 
+	byte = 0;
+        pci_write_config8(pdev, 0xff, byte);
+
+//	lsi_scsi_init(pdev);
+	
+}
+#endif
+//extern static void lsi_scsi_init(struct device *dev);
+#if 0
+static void print_pci_regs(struct device *dev)
+{
+      uint8_t byte;
+      int i;
+
+      for(i=0;i<256;i++) {
+	     byte = pci_read_config8(dev, i);
+   
+             if((i%16)==0) printk_info("\n%02x:",i);
+             printk_debug(" %02x",byte);
+      }
+      printk_debug("\n");
+	
+//        pci_write_config8(dev, 0x4, byte);
+
+}
+#endif
+#if 0
+static void print_mem(void)
+{
+        int i;
+	int low_1MB = 0;
+	for(i=low_1MB;i<low_1MB+1024*4;i++) {
+             if((i%16)==0) printk_debug("\n %08x:",i);
+             printk_debug(" %02x ",(unsigned char)*((unsigned char *)i));
+             }
+
+        for(i=low_1MB;i<low_1MB+1024*4;i++) {
+             if((i%16)==0) printk_debug("\n %08x:",i);
+             printk_debug(" %c ",(unsigned char)*((unsigned char *)i));
+             }
+ }
+#endif
+#if 0
+static void onboard_scsi_fixup(void)
+{
+       struct device *dev;
+	unsigned char i,j,k;
+#if 1
+	for(i=0;i<=5;i++) {
+		for(j=0;j<=0x1f;j++) {
+			for (k=0;k<=6;k++){
+				dev = dev_find_slot(i, PCI_DEVFN(j, k));
+				if (dev) {
+			                printk_debug("%02x:%02x:%02x",i,j,k);
+					print_pci_regs(dev);
+        			}
+			}
+		}
+	}
+#endif
+
+
+#if 0
+        dev = dev_find_device(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_53C1030,0);
+        if(!dev) {
+                printk_info("LSI_SCSI_FW_FIXUP: No Device Found!");
+                return;
+        }
+
+	lsi_scsi_init(dev); 
+#endif
+//	print_mem();
+//	amd8111_enable_rom();
+}
+#endif
+/*
+static void vga_fixup(void) {
+        // we do this right here because:
+        // - all the hardware is working, and some VGA bioses seem to need
+        //   that
+        // - we need page 0 below for linuxbios tables.
+#if CONFIG_REALMODE_IDT == 1
+        printk_debug("INSTALL REAL-MODE IDT\n");
+        setup_realmode_idt();
+#endif
+#if CONFIG_VGABIOS == 1
+        printk_debug("DO THE VGA BIOS\n");
+        do_vgabios();
+        post_code(0x93);
+#endif
+
+}
+ */
+
+static void
+enable(struct chip *chip, enum chip_pass pass)
+{
+
+        struct mainboard_tyan_s2735_config *conf = 
+		(struct mainboard_tyan_s2735_config *)chip->chip_info;
+
+        switch (pass) {
+		default: break;
+//		case CONF_PASS_PRE_CONSOLE:
+//		case CONF_PASS_PRE_PCI:
+		case CONF_PASS_POST_PCI:		
+                case CONF_PASS_PRE_BOOT:
+//			if (conf->fixup_scsi)
+//        			onboard_scsi_fixup();
+//			if (conf->fixup_vga)
+//				vga_fixup();
+//			printk_debug("mainboard fixup pass %d done\r\n",pass);
+			break;
+	}
+
+}
+
+static int
+mainboard_scan_bus(device_t root, int maxbus)
+{
+        int retval;
+        printk_spew("%s: root %p maxbus %d\n", __FUNCTION__, root, maxbus);
+        retval = pci_scan_bus(root->bus, 0, 0xff, maxbus);
+        printk_spew("DONE %s: return %d\n", __FUNCTION__, maxbus);
+        return maxbus;
+}
+
+static struct device_operations mainboard_operations = {
+        .read_resources   = root_dev_read_resources,
+        .set_resources    = root_dev_set_resources,
+        .enable_resources = enable_childrens_resources,
+        .init             = 0,
+        .scan_bus         = mainboard_scan_bus,
+        .enable           = 0,
+};
+
+static void enumerate(struct chip *chip)
+{
+        struct chip *child;
+        dev_root.ops = &mainboard_operations;
+        chip->dev = &dev_root;
+        chip->bus = 0;
+        for(child = chip->children; child; child = child->next) {
+                child->bus = &dev_root.link[0];
+        }
+}
+struct chip_control mainboard_tyan_s2735_control = {
+        .enable = enable,
+        .enumerate = enumerate,
+        .name      = "Tyan s2735 mainboard ",
+};
+
diff --git a/src/mainboard/tyan/s2735/mptable.c b/src/mainboard/tyan/s2735/mptable.c
new file mode 100644
index 0000000000..25b1929eba
--- /dev/null
+++ b/src/mainboard/tyan/s2735/mptable.c
@@ -0,0 +1,165 @@
+#include <console/console.h>
+#include <arch/smp/mpspec.h>
+#include <device/pci.h>
+#include <string.h>
+#include <stdint.h>
+
+void *smp_write_config_table(void *v, unsigned long * processor_map)
+{
+        static const char sig[4] = "PCMP";
+        static const char oem[8] = "TYAN    ";
+        static const char productid[12] = "S2735       ";
+        struct mp_config_table *mc;
+
+        mc = (void *)(((char *)v) + SMP_FLOATING_TABLE_LEN);
+        memset(mc, 0, sizeof(*mc));
+
+        memcpy(mc->mpc_signature, sig, sizeof(sig));
+        mc->mpc_length = sizeof(*mc); /* initially just the header */
+        mc->mpc_spec = 0x04;
+        mc->mpc_checksum = 0; /* not yet computed */
+        memcpy(mc->mpc_oem, oem, sizeof(oem));
+        memcpy(mc->mpc_productid, productid, sizeof(productid));
+        mc->mpc_oemptr = 0;
+        mc->mpc_oemsize = 0;
+        mc->mpc_entry_count = 0; /* No entries yet... */
+        mc->mpc_lapic = LAPIC_ADDR;
+        mc->mpe_length = 0;
+        mc->mpe_checksum = 0;
+        mc->reserved = 0;
+
+        smp_write_processors(mc, processor_map);
+
+
+/*Bus:		Bus ID	Type*/
+	smp_write_bus(mc, 0, "PCI   ");
+	smp_write_bus(mc, 1, "PCI   ");
+	smp_write_bus(mc, 2, "PCI   ");
+	smp_write_bus(mc, 3, "PCI   ");
+	smp_write_bus(mc, 4, "PCI   ");
+	smp_write_bus(mc, 5, "ISA   ");
+/*I/O APICs:	APIC ID	Version	State		Address*/
+	smp_write_ioapic(mc, 8, 0x20, 0xfec00000);
+	{
+		struct pci_dev *dev;
+		uint32_t base;
+		dev = dev_find_slot(1, PCI_DEVFN(0x1e,0));
+		if (dev) {
+			base = pci_read_config32(dev, PCI_BASE_ADDRESS_0);
+			base &= PCI_BASE_ADDRESS_MEM_MASK;
+			smp_write_ioapic(mc, 9, 0x20, base);
+		}
+		dev = dev_find_slot(1, PCI_DEVFN(0x1c,0));
+		if (dev) {
+			base = pci_read_config32(dev, PCI_BASE_ADDRESS_0);
+			base &= PCI_BASE_ADDRESS_MEM_MASK;
+			smp_write_ioapic(mc, 0xa, 0x20, base);
+		}
+	}
+/*I/O Ints:	Type	Polarity    Trigger	Bus ID	 IRQ	APIC ID	PIN#
+*/	
+	smp_write_intsrc(mc, mp_ExtINT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, 0x5, 0x0, 0x8, 0x0);
+	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, 0x5, 0x1, 0x8, 0x1);
+	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, 0x5, 0x0, 0x8, 0x2);
+	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, 0x5, 0x3, 0x8, 0x3);
+	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, 0x5, 0x4, 0x8, 0x4);
+	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, 0x5, 0x6, 0x8, 0x6);
+	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, 0x5, 0x8, 0x8, 0x8);
+	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, 0x5, 0x9, 0x8, 0x9);
+	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, 0x5, 0xc, 0x8, 0xc);
+	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, 0x5, 0xd, 0x8, 0xd);
+	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, 0x5, 0xe, 0x8, 0xe);
+	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, 0x5, 0xf, 0x8, 0xf);
+//USB
+	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, 0x0, 0x7c, 0x8, 0x12);
+	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, 0x0, 0x7d, 0x8, 0x11);
+	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, 0x0, 0x74, 0x8, 0x10);
+	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, 0x0, 0x75, 0x8, 0x13);
+	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, 0x0, 0x77, 0x8, 0x17);
+
+//onboard ati
+        smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, 0x4, 0x8, 0x8, 0x12);
+
+//onboard intel 82551 10/100
+        smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, 0x4, 0x4, 0x8, 0x11);
+
+// onboard Intel 82547 1000
+        smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, 0x2, 0x4, 0xa, 0x0);
+        smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, 0x2, 0x5, 0xa, 0x1);
+
+//Slot 4
+        smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, 0x4, (0x3<<2)|0, 0x8, 0x12);
+	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, 0x4, (0x3<<2)|1, 0x8, 0x13);
+	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, 0x4, (0x3<<2)|2, 0x8, 0x10);
+	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, 0x4, (0x3<<2)|3, 0x8, 0x11);
+//Slot 3
+        smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, 0x4, (0x4<<2)|0, 0x8, 0x13);
+        smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, 0x4, (0x4<<2)|1, 0x8, 0x10);
+        smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, 0x4, (0x4<<2)|2, 0x8, 0x11);
+        smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, 0x4, (0x4<<2)|3, 0x8, 0x12);
+//Slot 1
+        smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, 0x3, (0x3<<2)|0, 0x9, 0x0);
+        smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, 0x3, (0x3<<2)|1, 0x9, 0x1);
+        smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, 0x3, (0x3<<2)|2, 0x9, 0x2);
+        smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, 0x3, (0x3<<2)|3, 0x9, 0x3);
+//Slot 2
+        smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, 0x3, (0x6<<2)|0, 0x9, 0x4);
+	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, 0x3, (0x6<<2)|1, 0x9, 0x5);
+	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, 0x3, (0x6<<2)|2, 0x9, 0x6);
+	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, 0x3, (0x6<<2)|3, 0x9, 0x7);
+
+/*Local Ints:	Type	Polarity    Trigger	Bus ID	 IRQ	APIC ID	PIN#*/
+	smp_write_intsrc(mc, mp_ExtINT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, 0x0, 0x0, MP_APIC_ALL, 0x0);
+	smp_write_intsrc(mc, mp_NMI, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, 0x0, 0x0, MP_APIC_ALL, 0x1);
+/*
+MP Config Extended Table Entries:
+
+--
+System Address Space
+ bus ID: 0 address type: I/O address
+ address base: 0x9000
+ address range: 0x6000
+--
+System Address Space
+ bus ID: 0 address type: I/O address
+ address base: 0x0
+ address range: 0x100
+--
+System Address Space
+ bus ID: 0 address type: memory address
+ address base: 0xa0000
+ address range: 0x20000
+--
+System Address Space
+ bus ID: 0 address type: memory address
+ address base: 0xfc700000
+ address range: 0x2500000
+--
+System Address Space
+ bus ID: 0 address type: prefetch address
+ address base: 0xff600000
+ address range: 0x500000
+--
+Bus Heirarchy
+ bus ID: 5 bus info: 0x01 parent bus ID: 0--
+Compatibility Bus Address
+ bus ID: 0 address modifier: add
+ predefined range: 0x00000000--
+Compatibility Bus Address
+ bus ID: 0 address modifier: add
+ predefined range: 0x00000001	// There is no extension information... 
+*/
+	/* Compute the checksums */
+	mc->mpe_checksum = smp_compute_checksum(smp_next_mpc_entry(mc), mc->mpe_length);
+	mc->mpc_checksum = smp_compute_checksum(mc, mc->mpc_length);
+	printk_debug("Wrote the mp table end at: %p - %p\n",
+		mc, smp_next_mpe_entry(mc));
+	return smp_next_mpe_entry(mc);
+}
+
+unsigned long write_smp_table(unsigned long addr, unsigned long *processor_map)
+{
+	void *v;
+	v = smp_write_floating_table(addr);
+	return (unsigned long)smp_write_config_table(v, processor_map);
+}