Add support for TeleVideo TC7020.
Signed-off-by: Kenji Noguchi <tokyo246@gmail.com>

Index: src/mainboard/televideo/tc7020/Config.lb
===================================================================
--- src/mainboard/televideo/tc7020/Config.lb	(revision 0)
+++ src/mainboard/televideo/tc7020/Config.lb	(revision 0)
@@ -0,0 +1,137 @@
+##
+## This file is part of the LinuxBIOS project.
+##
+## Copyright (C) 2007 Juergen Beisert <juergen@kreuzholzen.de>
+##
+## 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
+##
+
+if USE_FALLBACK_IMAGE
+	default ROM_SECTION_SIZE = FALLBACK_SIZE
+	default ROM_SECTION_OFFSET = (ROM_SIZE - FALLBACK_SIZE)
+else
+	default ROM_SECTION_SIZE = (ROM_SIZE - FALLBACK_SIZE)
+	default ROM_SECTION_OFFSET = 0
+end
+default CONFIG_ROM_PAYLOAD_START = (0xffffffff - ROM_SIZE + ROM_SECTION_OFFSET + 1)
+default PAYLOAD_SIZE = (ROM_SECTION_SIZE - ROM_IMAGE_SIZE)
+default _ROMBASE = (CONFIG_ROM_PAYLOAD_START + PAYLOAD_SIZE)
+default XIP_ROM_SIZE = 64 * 1024
+default XIP_ROM_BASE = (_ROMBASE + ROM_IMAGE_SIZE - XIP_ROM_SIZE)
+arch i386 end
+driver mainboard.o
+if HAVE_PIRQ_TABLE
+	object irq_tables.o
+end
+makerule ./failover.E
+	depends "$(MAINBOARD)/../../../arch/i386/lib/failover.c ./romcc"
+	action "./romcc -E -O --label-prefix=failover -I$(TOP)/src -I. $(CPPFLAGS) $(MAINBOARD)/../../../arch/i386/lib/failover.c -o $@"
+end
+makerule ./failover.inc
+	depends "$(MAINBOARD)/../../../arch/i386/lib/failover.c ./romcc"
+	action "./romcc -O --label-prefix=failover -I$(TOP)/src -I. $(CPPFLAGS) $(MAINBOARD)/../../../arch/i386/lib/failover.c -o $@"
+end
+makerule ./auto.E
+	# depends	"$(MAINBOARD)/auto.c option_table.h ./romcc"
+	depends	"$(MAINBOARD)/auto.c ./romcc"
+	action	"./romcc -E -O -I$(TOP)/src -I. $(CPPFLAGS) $(MAINBOARD)/auto.c -o $@"
+end
+makerule ./auto.inc
+	# depends "$(MAINBOARD)/auto.c option_table.h ./romcc"
+	depends "$(MAINBOARD)/auto.c ./romcc"
+	action	"./romcc -O -I$(TOP)/src -I. $(CPPFLAGS) $(MAINBOARD)/auto.c -o $@"
+end
+mainboardinit cpu/x86/16bit/entry16.inc
+mainboardinit cpu/x86/32bit/entry32.inc
+ldscript /cpu/x86/16bit/entry16.lds
+ldscript /cpu/x86/32bit/entry32.lds
+if USE_FALLBACK_IMAGE
+	mainboardinit cpu/x86/16bit/reset16.inc
+	ldscript /cpu/x86/16bit/reset16.lds
+else
+	mainboardinit cpu/x86/32bit/reset32.inc
+	ldscript /cpu/x86/32bit/reset32.lds
+end
+mainboardinit arch/i386/lib/cpu_reset.inc
+mainboardinit arch/i386/lib/id.inc
+ldscript /arch/i386/lib/id.lds
+if USE_FALLBACK_IMAGE
+	ldscript /arch/i386/lib/failover.lds
+	mainboardinit ./failover.inc
+end
+mainboardinit cpu/x86/fpu/enable_fpu.inc
+mainboardinit cpu/amd/model_gx1/cpu_setup.inc
+mainboardinit cpu/amd/model_gx1/gx_setup.inc
+mainboardinit ./auto.inc
+
+dir /pc80
+config chip.h
+
+chip northbridge/amd/gx1		# Northbridge
+  device pci_domain 0 on		# PCI domain
+    device pci 0.0 on end		# Host bridge
+    chip southbridge/amd/cs5530		# Southbridge
+      device pci 0f.0 on end		# Ethernet (onboard)
+      device pci 12.0 on		# ISA bridge
+        chip superio/nsc/pc97317	# Super I/O
+          device pnp 2e.0 on		# PS/2 keyboard
+            io 0x60 = 0x60
+            io 0x62 = 0x64
+            irq 0x70 = 1
+          end
+          device pnp 2e.1 on		# PS/2 mouse
+            irq 0x70 = 12
+          end
+          device pnp 2e.2 on		# RTC, Advanced power control (APC)
+            io 0x60 = 0x70
+            irq 0x70 = 8
+          end
+          device pnp 2e.3 off		# Floppy (N/A on this board)
+            io 0x60 = 0x3f0
+            irq 0x70 = 6
+            drq 0x74 = 2
+          end
+          device pnp 2e.4 on		# Parallel port
+            io 0x60 = 0x378
+            irq 0x70 = 7
+          end
+          device pnp 2e.5 on		# COM2 (used for smartcard reader)
+            io 0x60 = 0x2f8
+            irq 0x70 = 3
+          end
+          device pnp 2e.6 on		# COM1
+            io 0x60 = 0x3f8
+            irq 0x70 = 4
+          end
+          device pnp 2e.7 on		# GPIO
+            io 0x60 = 0xe0
+          end
+          device pnp 2e.8 on		# Power management
+            io 0x60 = 0xe8
+          end
+        end
+      end
+      device pci 12.1 off end		# SMI
+      device pci 12.2 on end		# IDE
+      device pci 12.3 on end		# Audio
+      device pci 12.4 on end		# VGA (onboard)
+      device pci 13.0 on end		# USB
+      register "ide0_enable" = "1"
+      register "ide1_enable" = "0"	# Not available/needed on this board
+    end
+  end
+  chip cpu/amd/model_gx1		# CPU
+  end
+end
Index: src/mainboard/televideo/tc7020/irq_tables.c
===================================================================
--- src/mainboard/televideo/tc7020/irq_tables.c	(revision 0)
+++ src/mainboard/televideo/tc7020/irq_tables.c	(revision 0)
@@ -0,0 +1,49 @@
+/*
+ * This file is part of the LinuxBIOS project.
+ *
+ * Copyright (C) 2007 Kenji Noguchi <tokyo246@gmail.com>
+ *
+ * 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 <arch/pirq_routing.h>
+
+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 3 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 */
+	0x1078,		 /* Vendor */
+	0x0001,		 /* Device */
+	0,		 /* Crap (miniport) */
+	{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* u8 rfu[11] */
+	0xf,		 /* u8 checksum. This has to be 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 */
+		{0x00,(0x13<<3)|0x0, {{0x01, 0x0e00}, {0x00, 0x0000}, {0x00, 0x0000}, {0x00, 0x00000}}, 0x0, 0x0},
+		{0x00,(0x15<<3)|0x0, {{0x02, 0x0e00}, {0x00, 0x0000}, {0x00, 0x0000}, {0x00, 0x00000}}, 0x0, 0x0},
+		{0x00,(0x14<<3)|0x0, {{0x03, 0x0e00}, {0x00, 0x0000}, {0x00, 0x0000}, {0x00, 0x00000}}, 0x0, 0x0},
+	}
+};
+
+unsigned long write_pirq_routing_table(unsigned long addr)
+{
+	return copy_pirq_routing_table(addr);
+}
+
Index: src/mainboard/televideo/tc7020/Options.lb
===================================================================
--- src/mainboard/televideo/tc7020/Options.lb	(revision 0)
+++ src/mainboard/televideo/tc7020/Options.lb	(revision 0)
@@ -0,0 +1,104 @@
+##
+## This file is part of the LinuxBIOS project.
+##
+## Copyright (C) 2007 Juergen Beisert <juergen@kreuzholzen.de>
+## Copyright (C) 2007 Kenji Noguchi <tokyo246@gmail.com>
+##
+## 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
+##
+
+uses HAVE_MP_TABLE
+uses HAVE_PIRQ_TABLE
+uses USE_FALLBACK_IMAGE
+uses HAVE_FALLBACK_BOOT
+uses HAVE_HARD_RESET
+uses HAVE_OPTION_TABLE
+uses USE_OPTION_TABLE
+uses CONFIG_ROM_PAYLOAD
+uses IRQ_SLOT_COUNT
+uses MAINBOARD
+uses MAINBOARD_VENDOR
+uses MAINBOARD_PART_NUMBER
+uses LINUXBIOS_EXTRA_VERSION
+uses ARCH
+uses FALLBACK_SIZE
+uses STACK_SIZE
+uses HEAP_SIZE
+uses ROM_SIZE
+uses ROM_SECTION_SIZE
+uses ROM_IMAGE_SIZE
+uses ROM_SECTION_SIZE
+uses ROM_SECTION_OFFSET
+uses CONFIG_ROM_PAYLOAD_START
+uses PAYLOAD_SIZE
+uses _ROMBASE
+uses _RAMBASE
+uses XIP_ROM_SIZE
+uses XIP_ROM_BASE
+uses CROSS_COMPILE
+uses CC
+uses HOSTCC
+uses OBJCOPY
+uses DEFAULT_CONSOLE_LOGLEVEL
+uses MAXIMUM_CONSOLE_LOGLEVEL
+uses CONFIG_CONSOLE_SERIAL8250
+uses TTYS0_BAUD
+uses TTYS0_BASE
+uses TTYS0_LCS
+uses CONFIG_COMPRESSED_PAYLOAD_LZMA
+uses CONFIG_UDELAY_TSC
+uses CONFIG_TSC_X86RDTSC_CALIBRATE_WITH_TIMER2
+uses CONFIG_VIDEO_MB
+uses CONFIG_SPLASH_GRAPHIC
+uses CONFIG_GX1_VIDEO
+uses CONFIG_GX1_VIDEOMODE
+
+## Enable VGA with a splash screen (only 640x480 to run on most monitors).
+## We want to support up to 1024x768@16 so we need 2MiB video memory.
+## Note: Higher resolutions might need faster SDRAM speed.
+default CONFIG_GX1_VIDEO = 1
+default CONFIG_GX1_VIDEOMODE = 0
+default CONFIG_SPLASH_GRAPHIC = 1
+default CONFIG_VIDEO_MB = 2
+
+default ROM_SIZE = 256 * 1024
+default MAINBOARD_VENDOR = "TeleVideo"
+default MAINBOARD_PART_NUMBER = "TC7020"
+default HAVE_FALLBACK_BOOT = 1
+default HAVE_MP_TABLE = 0
+default HAVE_HARD_RESET = 0
+default CONFIG_UDELAY_TSC = 1
+default CONFIG_TSC_X86RDTSC_CALIBRATE_WITH_TIMER2 = 1
+default HAVE_PIRQ_TABLE = 1
+default IRQ_SLOT_COUNT = 3	# Soldered NIC, internal USB, mini PCI slot
+default HAVE_OPTION_TABLE = 0
+default ROM_IMAGE_SIZE = 64 * 1024
+default FALLBACK_SIZE = 128 * 1024
+default STACK_SIZE = 8 * 1024
+default HEAP_SIZE = 16 * 1024
+default USE_OPTION_TABLE = 0
+default _RAMBASE = 0x00004000
+default CONFIG_ROM_PAYLOAD = 1
+default CROSS_COMPILE = ""
+default CC = "$(CROSS_COMPILE)gcc "
+default HOSTCC = "gcc"
+default CONFIG_CONSOLE_SERIAL8250 = 1
+default TTYS0_BAUD = 115200
+default TTYS0_BASE = 0x3f8
+default TTYS0_LCS = 0x3		# 8n1
+default DEFAULT_CONSOLE_LOGLEVEL = 6
+default MAXIMUM_CONSOLE_LOGLEVEL = 6
+
+end
Index: src/mainboard/televideo/tc7020/chip.h
===================================================================
--- src/mainboard/televideo/tc7020/chip.h	(revision 0)
+++ src/mainboard/televideo/tc7020/chip.h	(revision 0)
@@ -0,0 +1,26 @@
+/*
+ * This file is part of the LinuxBIOS project.
+ *
+ * Copyright (C) 2007 Juergen Beisert <juergen@kreuzholzen.de>
+ * Copyright (C) 2007 Kenji Noguchi <tokyo246@gmail.com>
+ *
+ * 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
+ */
+
+extern struct chip_operations mainboard_televideo_tc7020_ops;
+
+struct mainboard_televideo_tc7020_config {
+	int nothing;
+};
Index: src/mainboard/televideo/tc7020/auto.c
===================================================================
--- src/mainboard/televideo/tc7020/auto.c	(revision 0)
+++ src/mainboard/televideo/tc7020/auto.c	(revision 0)
@@ -0,0 +1,53 @@
+/*
+ * This file is part of the LinuxBIOS project.
+ *
+ * Copyright (C) 2007 Juergen Beisert <juergen@kreuzholzen.de>
+ *
+ * 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 "northbridge/amd/gx1/raminit.c"
+#include "superio/nsc/pc97317/pc97317_early_serial.c"
+#include "cpu/x86/bist.h"
+
+#define SERIAL_DEV PNP_DEV(0x2e, PC97317_SP1)
+
+static void main(unsigned long bist)
+{
+	/* Initialize the serial console. */
+	pc97317_enable_serial(SERIAL_DEV, TTYS0_BASE);
+	uart_init();
+	console_init();
+
+	/* Halt if there was a built in self test failure. */
+	report_bist_failure(bist);
+
+	/* Initialize RAM. */
+	sdram_init();
+
+	/* Check whether RAM works. */
+	/* ram_check(0, 640 * 1024); */
+}
Index: src/mainboard/televideo/tc7020/mainboard.c
===================================================================
--- src/mainboard/televideo/tc7020/mainboard.c	(revision 0)
+++ src/mainboard/televideo/tc7020/mainboard.c	(revision 0)
@@ -0,0 +1,73 @@
+/*
+ * This file is part of the LinuxBIOS project.
+ *
+ * Copyright (C) 2007 Kenji Noguchi <tokyo246@gmail.com>
+ *
+ * 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
+ */
+
+/*
+ * TeleVideo TC7020 specific IRQ wiring
+ * USB          00:13.0  -> PINTA -> IRQ 11
+ * NIC          00:15.0  -> PINTB -> IRQ 10
+ * MiniPCI slot 00:14.0  -> PINTC -> IRQ 09
+ */
+
+#include <console/console.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <device/pci_ops.h>
+#include <device/pci_ids.h>
+#include <pc80/mc146818rtc.h>
+#include "chip.h"
+
+/* devices/pci_device.c doesn't have this in a header file */
+void pci_assign_irqs(unsigned bus, unsigned slot,
+		     const unsigned char pIntAtoD[4]);
+
+static const unsigned char usb_irq[4] = {11,0,0,0};
+static const unsigned char nic_irq[4] = {10,0,0,0};
+static const unsigned char minipci_irq[4] = {9,0,0,0};
+
+static void pci_routing_fixup(struct device *dev)
+{
+	device_t pdev;
+	if (!dev)
+		return;
+
+	// CS5530A legacy bridge IRQ sterring registers
+	pdev = dev_find_slot(0, (0x12 << 3) + 0);
+	pci_write_config8(pdev, 0x5c, 0xab);
+	pci_write_config8(pdev, 0x5d, 0x09);
+
+	pci_assign_irqs(0, 0x13, usb_irq);
+	pci_assign_irqs(0, 0x15, nic_irq);
+	pci_assign_irqs(0, 0x14, minipci_irq);
+}
+
+static void init(struct device *dev) {
+	pci_routing_fixup(dev);
+}
+
+static void enable_dev(struct device *dev)
+{
+	dev->ops->init = init;
+}
+
+struct chip_operations mainboard_televideo_tc7020_ops = {
+	CHIP_NAME("TeleVideo TC7020 Mainboard WBTG_Rev1.1")
+	.enable_dev = enable_dev,
+};
+
Index: targets/televideo/tc7020/Config.lb
===================================================================
--- targets/televideo/tc7020/Config.lb	(revision 0)
+++ targets/televideo/tc7020/Config.lb	(revision 0)
@@ -0,0 +1,52 @@
+##
+## This file is part of the LinuxBIOS project.
+##
+## Copyright (C) 2007 Juergen Beisert <juergen@kreuzholzen.de>
+## Copyright (C) 2007 Kenji Noguchi <tokyo246@gmail.com>
+##
+## 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
+##
+
+target tc7020
+mainboard televideo/tc7020
+
+option ROM_SIZE = 256 * 1024
+
+## Enable VGA with a splash screen (only 640x480 to run on most monitors).
+## We want to support up to 1024x768@16 so we need 2MiB video memory.
+## Note: Higher resolutions might need faster SDRAM speed.
+option CONFIG_GX1_VIDEO = 1
+option CONFIG_GX1_VIDEOMODE = 0
+option CONFIG_SPLASH_GRAPHIC = 1
+option CONFIG_VIDEO_MB = 2
+
+option DEFAULT_CONSOLE_LOGLEVEL = 6
+option MAXIMUM_CONSOLE_LOGLEVEL = 6
+
+romimage "normal"
+	option USE_FALLBACK_IMAGE = 0
+	option ROM_IMAGE_SIZE = 64 * 1024
+	option LINUXBIOS_EXTRA_VERSION = ".0Normal"
+	payload /var/tmp/images/filo.elf
+end
+
+romimage "fallback"
+	option USE_FALLBACK_IMAGE = 1
+	option ROM_IMAGE_SIZE = 64 * 1024
+	option LINUXBIOS_EXTRA_VERSION = ".0Fallback"
+	payload /var/tmp/images/filo.elf
+end
+
+buildrom ./linuxbios.rom ROM_SIZE "normal" "fallback"
