This patch adds VGA and PS/2 Keyboard/mouse support to the already existing intel truxton (ep80579) dev board.

This patch tries to improve the pcie portA configuration.
The Matrox G550e PCIe gfx card shipped along with the dev board is supported.

Signed-off-by: Arnaud Maye <arnaud.maye@4dsp.com>
Acked-by: Myles Watson <mylesgw@gmail.com>


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@4615 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

8 files changed, 156 insertions, 2 deletions

diff --git a/src/mainboard/intel/truxton/Config.lb b/src/mainboard/intel/truxton/Config.lb
index 7ec2da81b6..a297da1133 100644
--- a/src/mainboard/intel/truxton/Config.lb
+++ b/src/mainboard/intel/truxton/Config.lb
@@ -143,6 +143,19 @@ chip northbridge/intel/i3100
                                                  io 0x60 = 0x2f8
                                                 irq 0x70 = 3
                                         end
+				end
+				chip superio/smsc/smscsuperio
+					device pnp 2e.0 off end
+					device pnp 2e.3 off end
+					device pnp 2e.4 off end
+					device pnp 2e.5 off end
+					device pnp 2e.7 on # PS/2 keyboard / mouse
+            					io 0x60 = 0x60
+            					io 0x62 = 0x64
+            					irq 0x70 = 1	# PS/2 keyboard interrupt
+            					irq 0x72 = 12	# PS/2 mouse interrupt
+					end
+					device pnp 2e.a off end
                                 end
                         end
                         device pci 1f.2 on end  # SATA
diff --git a/src/mainboard/intel/truxton/Options.lb b/src/mainboard/intel/truxton/Options.lb
index 2f98066cd3..2dd7db55fa 100644
--- a/src/mainboard/intel/truxton/Options.lb
+++ b/src/mainboard/intel/truxton/Options.lb
@@ -37,6 +37,7 @@ uses CONFIG_ROM_SECTION_OFFSET
 uses CONFIG_ROM_PAYLOAD
 uses CONFIG_ROM_PAYLOAD_START
 uses CONFIG_COMPRESSED_PAYLOAD_LZMA
+uses CONFIG_LB_MEM_TOPK
 uses CONFIG_PAYLOAD_SIZE
 uses CONFIG_ROMBASE
 uses CONFIG_XIP_ROM_SIZE
@@ -67,6 +68,7 @@ uses CC
 uses HOSTCC
 uses CONFIG_CROSS_COMPILE
 uses CONFIG_OBJCOPY
+uses CONFIG_CONSOLE_VGA
 
 
 ###
@@ -155,7 +157,12 @@ default CONFIG_FALLBACK_SIZE = CONFIG_ROM_IMAGE_SIZE
 ##
 ## coreboot C code runs at this location in RAM
 ##
-default CONFIG_RAMBASE=0x00004000
+default CONFIG_RAMBASE=0x00100000
+
+##
+## in order to have coreboot running at 0x100000, TOPK has to be set
+##
+default CONFIG_LB_MEM_TOPK = 2*1024*1024
 
 ##
 ## Load the payload from the ROM
@@ -202,6 +209,9 @@ default CONFIG_TTYS0_BASE=0x3f8
 # This defaults to 8 data bits, 1 stop bit, and no parity
 default CONFIG_TTYS0_LCS=0x3
 
+# Enable the VGA console.
+default CONFIG_CONSOLE_VGA=1
+
 ##
 ### Select the coreboot loglevel
 ##
diff --git a/src/mainboard/intel/truxton/devicetree.cb b/src/mainboard/intel/truxton/devicetree.cb
index 7604beafe5..a21c2f4eae 100644
--- a/src/mainboard/intel/truxton/devicetree.cb
+++ b/src/mainboard/intel/truxton/devicetree.cb
@@ -26,6 +26,19 @@ chip northbridge/intel/i3100
                                                  io 0x60 = 0x2f8
                                                 irq 0x70 = 3
                                         end
+				end
+				chip superio/smsc/smscsuperio
+					device pnp 2e.0 off end
+					device pnp 2e.3 off end
+					device pnp 2e.4 off end
+					device pnp 2e.5 off end
+					device pnp 2e.7 on # PS/2 keyboard / mouse
+            					io 0x60 = 0x60
+            					io 0x62 = 0x64
+            					irq 0x70 = 1	# PS/2 keyboard interrupt
+            					irq 0x72 = 12	# PS/2 mouse interrupt
+					end
+					device pnp 2e.a off end
                                 end
                         end
                         device pci 1f.2 on end  # SATA
diff --git a/src/northbridge/intel/i3100/Config.lb b/src/northbridge/intel/i3100/Config.lb
index 6d0fa6f5be..ac100c55ff 100644
--- a/src/northbridge/intel/i3100/Config.lb
+++ b/src/northbridge/intel/i3100/Config.lb
@@ -23,5 +23,6 @@ config chip.h
 
 driver northbridge.o
 driver pciexp_porta.o
+driver pciexp_porta_ep80579.o
 
 default CONFIG_HAVE_HIGH_TABLES=1
diff --git a/src/northbridge/intel/i3100/pciexp_porta_ep80579.c b/src/northbridge/intel/i3100/pciexp_porta_ep80579.c
new file mode 100644
index 0000000000..9fbd5391e1
--- /dev/null
+++ b/src/northbridge/intel/i3100/pciexp_porta_ep80579.c
@@ -0,0 +1,112 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2009 4DSP 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
+ *
+ */
+
+/* This code is based on src/northbridge/intel/i3100/pciexp_porta.c */
+
+#include <console/console.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <device/pci_ids.h>
+#include <device/pci_ops.h>
+#include <device/pciexp.h>
+#include <arch/io.h>
+#include "chip.h"
+#include <part/hard_reset.h>
+
+typedef struct northbridge_intel_i3100_config config_t;
+
+static void pcie_init(struct device *dev)
+{
+	config_t *config;
+ 	u16 val;
+
+	/* Get the chip configuration */
+	config = dev->chip_info;
+
+	if(config->intrline) {
+		pci_write_config32(dev, 0x3c, config->intrline);
+	}
+
+	printk_spew("configure PCIe port as \"Slot Implemented\"\n");
+	val = pci_read_config16(dev, 0x66);
+	val &= ~(1<<8);
+	val |= 1<<8;
+	pci_write_config16(dev, 0x66, val);
+
+	/* Todo configure the PCIe bootstrap mode (covered by Intel NDA) */
+}
+
+
+static void pcie_bus_enable_resources(struct device *dev)
+{
+	u8 val8;
+	if (dev->link[0].bridge_ctrl & PCI_BRIDGE_CTL_VGA) {
+		printk_spew("Enable VGA IO/MEM forwarding on PCIe port\n");
+		pci_write_config8(dev, PCI_BRIDGE_CONTROL, 8);
+		
+		dev->command |= PCI_COMMAND_IO;
+		dev->command |= PCI_COMMAND_MEMORY;
+	}
+	pci_dev_enable_resources(dev);
+	enable_childrens_resources(dev);
+}
+
+
+static unsigned int pcie_scan_bridge(struct device *dev, unsigned int max)
+{
+	u16 val;
+	u16 ctl;
+	int flag = 0;
+	do {
+		val = pci_read_config16(dev, 0x76);
+		printk_debug("pcie porta 0x76: %02x\n", val);
+		if ((val & (1<<11)) && (!flag)) { /* training error */
+			ctl = pci_read_config16(dev, 0x74);
+			pci_write_config16(dev, 0x74, (ctl | (1<<5)));
+			val = pci_read_config16(dev, 0x76);
+			printk_debug("pcie porta reset 0x76: %02x\n", val);
+			flag=1;
+			hard_reset();
+		}
+	} while	(val & (3<<10));
+	return pciexp_scan_bridge(dev, max);
+}
+
+static struct device_operations pcie_ops  = {
+	.read_resources   = pci_bus_read_resources,
+	.set_resources    = pci_dev_set_resources,
+	.enable_resources = pcie_bus_enable_resources,
+	.init             = pcie_init,
+	.scan_bus         = pcie_scan_bridge,
+	.reset_bus        = pci_bus_reset,
+	.ops_pci          = 0,
+};
+
+static struct pci_driver pci_driver_0 __pci_driver = {
+	.ops    = &pcie_ops,
+	.vendor = PCI_VENDOR_ID_INTEL,
+	.device = PCI_DEVICE_ID_INTEL_EP80579_PCIE_PA0,
+};
+
+static struct pci_driver pci_driver_1 __pci_driver = {
+	.ops    = &pcie_ops,
+	.vendor = PCI_VENDOR_ID_INTEL,
+	.device = PCI_DEVICE_ID_INTEL_EP80579_PCIE_PA1,
+};
diff --git a/src/northbridge/intel/i3100/raminit_ep80579.c b/src/northbridge/intel/i3100/raminit_ep80579.c
index c871856c7a..5e51361898 100644
--- a/src/northbridge/intel/i3100/raminit_ep80579.c
+++ b/src/northbridge/intel/i3100/raminit_ep80579.c
@@ -31,7 +31,7 @@ static void sdram_set_registers(const struct mem_controller *ctrl)
 {
 	static const u32 register_values[] = {
 		PCI_ADDR(0, 0x00, 0, CKDIS), 0xffff0000, 0x0000ffff,
-		PCI_ADDR(0, 0x00, 0, DEVPRES), 0x00000000, 0x07420801 | DEVPRES_CONFIG,
+		PCI_ADDR(0, 0x00, 0, DEVPRES), 0x00000000, 0x07420001 | DEVPRES_CONFIG,
 		PCI_ADDR(0, 0x00, 0, PAM-1), 0xcccccc7f, 0x33333000,
 		PCI_ADDR(0, 0x00, 0, PAM+3), 0xcccccccc, 0x33333333,
 		PCI_ADDR(0, 0x00, 0, DEVPRES1), 0xffffffff, 0x0040003a,
diff --git a/src/southbridge/intel/i3100/i3100_early_lpc.c b/src/southbridge/intel/i3100/i3100_early_lpc.c
index 97d2b7c456..3397aff1f8 100644
--- a/src/southbridge/intel/i3100/i3100_early_lpc.c
+++ b/src/southbridge/intel/i3100/i3100_early_lpc.c
@@ -25,6 +25,9 @@ static void i3100_enable_superio(void)
 	/* Enable decoding of I/O locations for SuperIO devices */
 	pci_write_config16(dev, 0x80, 0x0010);
 	pci_write_config16(dev, 0x82, 0x340f);
+
+	/* Enable the SERIRQs (start pulse width is 8 clock cycles) */
+	pci_write_config8(dev, 0x64, 0xD2);
 }
 
 static void i3100_halt_tco_timer(void)
diff --git a/src/superio/smsc/smscsuperio/superio.c b/src/superio/smsc/smscsuperio/superio.c
index 148eeab8aa..2c20a09e92 100644
--- a/src/superio/smsc/smscsuperio/superio.c
+++ b/src/superio/smsc/smscsuperio/superio.c
@@ -60,6 +60,7 @@
 #define DME1737		0x78
 #define SCH3112		0x7c
 #define SCH5307		0x81	/* Rebranded LPC47B397(?) */
+#define SCH5027D	0x89
 
 /* Register defines */
 #define DEVICE_ID_REG	0x20	/* Device ID register */
@@ -135,6 +136,7 @@ static const struct logical_devices {
 	{DME1737,  {0, 3, 4,  5, -1,  7, -1,  -1, -1,  -1, -1, -1, 10, -1, -1}},
 	{SCH3112,  {0, 3, 4,  5, -1,  7, -1,  -1, -1,  -1, -1, -1, 10, -1, -1}},
 	{SCH5307,  {0, 3, 4,  5, -1,  7, -1,  -1,  8,  -1, -1, -1, 10, -1, -1}},
+	{SCH5027D, {0, 3, 4,  5, -1,  7, -1,  -1, -1,  -1, -1, -1, 10, -1, 11}},
 };
 
 /**