intel_wifi: Export the SMBIOS structure required by intel driver.

Change-Id: I22984a1bc7ca3be6593143af4fce8d5bfe469837
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/7295
Reviewed-by: Nicolas Reinecke <nr@das-labor.org>
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Tested-by: build bot (Jenkins)

src/drivers/intel/Makefile.inc

@@ -1,2 +1,3 @@
 subdirs-y += gma
+subdirs-y += wifi
 subdirs-$(CONFIG_PLATFORM_USES_FSP) += fsp

src/drivers/intel/wifi/Makefile.inc

@@ -0,0 +1 @@
+ramstage-$(CONFIG_PCIEXP_PLUGIN_SUPPORT) += wifi.c

src/drivers/intel/wifi/wifi.c

@@ -0,0 +1,83 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Vladimir Serbinenko
+ *
+ * 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 or (at your option)
+ * any later version 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 <device/device.h>
+#include <device/pci.h>
+#include <device/pci_ids.h>
+#include <smbios.h>
+#include <string.h>
+
+static int smbios_write_wifi(struct device *dev, int *handle,
+			     unsigned long *current)
+{
+	struct smbios_type_intel_wifi {
+		u8 type;
+		u8 length;
+		u16 handle;
+		u8 str;
+		char eos[2];
+	} __attribute__((packed));
+
+	struct smbios_type_intel_wifi *t = (struct smbios_type_intel_wifi *)*current;
+	int len = sizeof(struct smbios_type_intel_wifi);
+
+	memset(t, 0, sizeof(struct smbios_type_intel_wifi));
+	t->type = 0x85;
+	t->length = len - 2;
+	t->handle = *handle;
+	/* Intel wifi driver expects this string to be in the table 0x85
+	   with PCI IDs enumerated below.
+	 */
+	t->str = smbios_add_string(t->eos, "KHOIHGIUCCHHII");
+
+	len = t->length + smbios_string_table_len(t->eos);
+	*current += len;
+	*handle += 1;
+	return len;
+}
+
+static struct pci_operations pci_ops = {
+	.set_subsystem = pci_dev_set_subsystem,
+};
+
+struct device_operations device_ops = {
+	.read_resources   = pci_dev_read_resources,
+	.set_resources    = pci_dev_set_resources,
+	.enable_resources = pci_dev_enable_resources,
+	.init             = pci_dev_init,
+	.scan_bus         = 0,
+	.enable           = 0,
+	.get_smbios_data  = smbios_write_wifi,
+	.ops_pci          = &pci_ops,
+};
+
+
+static const unsigned short pci_device_ids[] = {
+	0x0084, 0x0085, 0x0089, 0x008b, 0x008e, 0x0090,
+	0x0886, 0x0888, 0x0891, 0x0893, 0x0895, 0x088f,
+	0x4236, 0x4237, 0x4238, 0x4239, 0x423b, 0x423d,
+	0 };
+
+static const struct pci_driver pch_intel_wifi __pci_driver = {
+	.ops	 = &device_ops,
+	.vendor	 = PCI_VENDOR_ID_INTEL,
+	.devices = pci_device_ids,
+};