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Diffstat (limited to 'src/soc/intel/skylake/minihd.c')
-rw-r--r--src/soc/intel/skylake/minihd.c128
1 files changed, 128 insertions, 0 deletions
diff --git a/src/soc/intel/skylake/minihd.c b/src/soc/intel/skylake/minihd.c
new file mode 100644
index 0000000000..ac5af8d77a
--- /dev/null
+++ b/src/soc/intel/skylake/minihd.c
@@ -0,0 +1,128 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008 Advanced Micro Devices, Inc.
+ * Copyright (C) 2008-2009 coresystems GmbH
+ * Copyright (C) 2014 Google Inc.
+ *
+ * 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 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 <device/pci_ops.h>
+#include <arch/io.h>
+#include <delay.h>
+#include <stdlib.h>
+#include <soc/intel/common/hda_verb.h>
+#include <soc/ramstage.h>
+
+static const u32 minihd_verb_table[] = {
+ /* coreboot specific header */
+ 0x80862807, // Codec Vendor / Device ID: Intel Mini-HD
+ 0x00000000, // Subsystem ID
+ 0x00000004, // Number of jacks
+
+ /* Enable 3rd Pin and Converter Widget */
+ 0x00878101,
+
+ /* Pin Widget 5 - PORT B */
+ 0x00571C10,
+ 0x00571D00,
+ 0x00571E56,
+ 0x00571F18,
+
+ /* Pin Widget 6 - PORT C */
+ 0x00671C20,
+ 0x00671D00,
+ 0x00671E56,
+ 0x00671F18,
+
+ /* Pin Widget 7 - PORT D */
+ 0x00771C30,
+ 0x00771D00,
+ 0x00771E56,
+ 0x00771F18,
+
+ /* Disable 3rd Pin and Converter Widget */
+ 0x00878100,
+
+ /* Dummy entries to fill out the table */
+ 0x00878100,
+ 0x00878100,
+};
+
+static void minihd_init(struct device *dev)
+{
+ struct resource *res;
+ u8 *base, reg32;
+ int codec_mask, i;
+
+ /* Find base address */
+ res = find_resource(dev, PCI_BASE_ADDRESS_0);
+ if (!res)
+ return;
+
+ base = res2mmio(res, 0, 0);
+ printk(BIOS_DEBUG, "Mini-HD: base = %p\n", base);
+
+ /* Set Bus Master */
+ reg32 = pci_read_config32(dev, PCI_COMMAND);
+ pci_write_config32(dev, PCI_COMMAND, reg32 | PCI_COMMAND_MASTER);
+
+ /* Mini-HD configuration */
+ reg32 = read32(base + 0x100c);
+ reg32 &= 0xfffc0000;
+ reg32 |= 0x4;
+ write32(base + 0x100c, reg32);
+
+ reg32 = read32(base + 0x1010);
+ reg32 &= 0xfffc0000;
+ reg32 |= 0x4b;
+ write32(base + 0x1010, reg32);
+
+ /* Init the codec and write the verb table */
+ codec_mask = hda_codec_detect(base);
+
+ if (codec_mask) {
+ for (i = 3; i >= 0; i--) {
+ if (codec_mask & (1 << i))
+ hda_codec_init(base, i,
+ sizeof(minihd_verb_table),
+ minihd_verb_table);
+ }
+ }
+}
+
+static struct device_operations minihd_ops = {
+ .read_resources = &pci_dev_read_resources,
+ .set_resources = &pci_dev_set_resources,
+ .enable_resources = &pci_dev_enable_resources,
+ .init = &minihd_init,
+ .ops_pci = &broadwell_pci_ops,
+};
+
+static const unsigned short pci_device_ids[] = {
+ 0x0a0c, /* Haswell */
+ 0x160c, /* Broadwell */
+ 0
+};
+
+static const struct pci_driver minihd_driver __pci_driver = {
+ .ops = &minihd_ops,
+ .vendor = PCI_VENDOR_ID_INTEL,
+ .devices = pci_device_ids,
+};