sb/intel/i82801jx: Copy i82801ix
Change-Id: I878960e7e0f992426382ca717b8b42787f01ebc6
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/19248
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martinroth@google.com>
diff --git a/src/southbridge/intel/i82801jx/usb_ehci.c b/src/southbridge/intel/i82801jx/usb_ehci.c
new file mode 100644
index 0000000..7719f16
--- /dev/null
+++ b/src/southbridge/intel/i82801jx/usb_ehci.c
@@ -0,0 +1,80 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008-2009 coresystems GmbH
+ *
+ * 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.
+ */
+
+#include <console/console.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <device/pci_ids.h>
+#include "i82801ix.h"
+#include <device/pci_ehci.h>
+
+static void usb_ehci_init(struct device *dev)
+{
+ u32 reg32;
+
+ printk(BIOS_DEBUG, "EHCI: Setting up controller.. ");
+ reg32 = pci_read_config32(dev, PCI_COMMAND);
+ reg32 |= PCI_COMMAND_MASTER;
+ pci_write_config32(dev, PCI_COMMAND, reg32);
+
+ printk(BIOS_DEBUG, "done.\n");
+}
+
+static void usb_ehci_set_subsystem(device_t dev, unsigned vendor, unsigned device)
+{
+ u8 access_cntl;
+
+ access_cntl = pci_read_config8(dev, 0x80);
+
+ /* Enable writes to protected registers. */
+ pci_write_config8(dev, 0x80, access_cntl | 1);
+
+ if (!vendor || !device) {
+ pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID,
+ pci_read_config32(dev, PCI_VENDOR_ID));
+ } else {
+ pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID,
+ ((device & 0xffff) << 16) | (vendor & 0xffff));
+ }
+
+ /* Restore protection. */
+ pci_write_config8(dev, 0x80, access_cntl);
+}
+
+static const unsigned short pci_device_ids[] = {
+ 0x293a,
+ 0x293c,
+ 0
+};
+
+static struct pci_operations lops_pci = {
+ .set_subsystem = &usb_ehci_set_subsystem,
+};
+
+static struct device_operations usb_ehci_ops = {
+ .read_resources = pci_ehci_read_resources,
+ .set_resources = pci_dev_set_resources,
+ .enable_resources = pci_dev_enable_resources,
+ .init = usb_ehci_init,
+ .scan_bus = 0,
+ .ops_pci = &lops_pci,
+};
+
+static const struct pci_driver pch_usb_ehci1 __pci_driver = {
+ .ops = &usb_ehci_ops,
+ .vendor = PCI_VENDOR_ID_INTEL,
+ .devices = pci_device_ids,
+};