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authorVladimir Serbinenko <phcoder@gmail.com>2014-10-31 09:10:16 +0100
committerVladimir Serbinenko <phcoder@gmail.com>2014-11-02 23:09:15 +0100
commit41f55b734f3eb96450c415e37e9cb1500c509e6d (patch)
tree189e7e92ff4f6272e3b2d635770c70b232a18ebb /src/drivers
parentb75a39a2fea77a87657570824c75343a40e7eea8 (diff)
downloadcoreboot-41f55b734f3eb96450c415e37e9cb1500c509e6d.tar.xz
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)
Diffstat (limited to 'src/drivers')
-rw-r--r--src/drivers/intel/Makefile.inc1
-rw-r--r--src/drivers/intel/wifi/Makefile.inc1
-rw-r--r--src/drivers/intel/wifi/wifi.c83
3 files changed, 85 insertions, 0 deletions
diff --git a/src/drivers/intel/Makefile.inc b/src/drivers/intel/Makefile.inc
index 12f700364e..7bc6dd5100 100644
--- a/src/drivers/intel/Makefile.inc
+++ b/src/drivers/intel/Makefile.inc
@@ -1,2 +1,3 @@
subdirs-y += gma
+subdirs-y += wifi
subdirs-$(CONFIG_PLATFORM_USES_FSP) += fsp
diff --git a/src/drivers/intel/wifi/Makefile.inc b/src/drivers/intel/wifi/Makefile.inc
new file mode 100644
index 0000000000..23f5541b4d
--- /dev/null
+++ b/src/drivers/intel/wifi/Makefile.inc
@@ -0,0 +1 @@
+ramstage-$(CONFIG_PCIEXP_PLUGIN_SUPPORT) += wifi.c
diff --git a/src/drivers/intel/wifi/wifi.c b/src/drivers/intel/wifi/wifi.c
new file mode 100644
index 0000000000..6e7f4034a1
--- /dev/null
+++ b/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,
+};