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Diffstat (limited to 'src/southbridge/sis/sis966/usb2.c')
-rw-r--r--src/southbridge/sis/sis966/usb2.c168
1 files changed, 168 insertions, 0 deletions
diff --git a/src/southbridge/sis/sis966/usb2.c b/src/southbridge/sis/sis966/usb2.c
new file mode 100644
index 0000000000..6ede023837
--- /dev/null
+++ b/src/southbridge/sis/sis966/usb2.c
@@ -0,0 +1,168 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2004 Tyan Computer
+ * Written by Yinghai Lu <yhlu@tyan.com> for Tyan Computer.
+ * Copyright (C) 2006,2007 AMD
+ * Written by Yinghai Lu <yinghai.lu@amd.com> for AMD.
+ * Copyright (C) 2007 Silicon Integrated Systems Corp. (SiS)
+ * Written by Morgan Tsai <my_tsai@sis.com> for SiS.
+ *
+ * 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; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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 "sis966.h"
+#include <usbdebug.h>
+
+extern struct ehci_debug_info dbg_info;
+
+u8 SiS_SiS7002_init[22][3]={
+{0x04, 0x00, 0x06},
+{0x0D, 0x00, 0x00},
+
+{0x2C, 0xFF, 0x39},
+{0x2D, 0xFF, 0x10},
+{0x2E, 0xFF, 0x02},
+{0x2F, 0xFF, 0x70},
+
+{0x74, 0x00, 0x00},
+{0x75, 0x00, 0x00},
+{0x76, 0x00, 0x00},
+{0x77, 0x00, 0x00},
+
+{0x7A, 0x00, 0x00},
+{0x7B, 0x00, 0x00},
+
+{0x40, 0x00, 0x20},
+{0x41, 0x00, 0x00},
+{0x42, 0x00, 0x00},
+{0x43, 0x00, 0x08},
+
+{0x44, 0x00, 0x04},
+
+{0x48, 0x00, 0x10},
+{0x49, 0x00, 0x80},
+{0x4A, 0x00, 0x07},
+{0x4B, 0x00, 0x00},
+
+{0x00, 0x00, 0x00} //End of table
+};
+
+static void usb2_init(struct device *dev)
+{
+ u32 base;
+ struct resource *res;
+
+ print_debug("USB 2.0 INIT:---------->\n");
+
+//-------------- enable USB2.0 (SiS7002) -------------------------
+{
+ u8 temp8;
+ int i=0;
+
+ while(SiS_SiS7002_init[i][0] != 0)
+ {
+ temp8 = pci_read_config8(dev, SiS_SiS7002_init[i][0]);
+ temp8 &= SiS_SiS7002_init[i][1];
+ temp8 |= SiS_SiS7002_init[i][2];
+ pci_write_config8(dev, SiS_SiS7002_init[i][0], temp8);
+ i++;
+ };
+}
+
+ res = find_resource(dev, 0x10);
+ if(!res)
+ return;
+
+ base = res->base;
+ printk(BIOS_DEBUG, "base = 0x%08x\n", base);
+ write32(base+0x20, 0x2);
+//-----------------------------------------------------------
+
+#if DEBUG_USB2
+{
+ int i;
+
+ print_debug("****** USB 2.0 PCI config ******");
+ print_debug("\n 03020100 07060504 0B0A0908 0F0E0D0C");
+
+ for(i=0;i<0xff;i+=4){
+ if((i%16)==0){
+ print_debug("\n");
+ print_debug_hex8(i);
+ print_debug(": ");
+ }
+ print_debug_hex32(pci_read_config32(dev,i));
+ print_debug(" ");
+ }
+ print_debug("\n");
+}
+#endif
+ print_debug("USB 2.0 INIT:<----------\n");
+}
+
+static void usb2_set_resources(struct device *dev)
+{
+#if CONFIG_USBDEBUG
+ struct resource *res;
+ unsigned base;
+ unsigned old_debug;
+
+ old_debug = get_ehci_debug();
+ set_ehci_debug(0);
+#endif
+ pci_dev_set_resources(dev);
+
+#if CONFIG_USBDEBUG
+ res = find_resource(dev, 0x10);
+ set_ehci_debug(old_debug);
+ if (!res) return;
+ base = res->base;
+ set_ehci_base(base);
+ report_resource_stored(dev, res, "");
+#endif
+
+}
+
+static void lpci_set_subsystem(device_t dev, unsigned vendor, unsigned device)
+{
+ pci_write_config32(dev, 0x40,
+ ((device & 0xffff) << 16) | (vendor & 0xffff));
+}
+static struct pci_operations lops_pci = {
+ .set_subsystem = lpci_set_subsystem,
+};
+
+static struct device_operations usb2_ops = {
+ .read_resources = pci_dev_read_resources,
+ .set_resources = usb2_set_resources,
+ .enable_resources = pci_dev_enable_resources,
+ .init = usb2_init,
+// .enable = sis966_enable,
+ .scan_bus = 0,
+ .ops_pci = &lops_pci,
+};
+
+static const struct pci_driver usb2_driver __pci_driver = {
+ .ops = &usb2_ops,
+ .vendor = PCI_VENDOR_ID_SIS,
+ .device = PCI_DEVICE_ID_SIS_SIS966_USB2,
+};