diff options
Diffstat (limited to 'src/southbridge/sis/sis966/usb2.c')
| -rw-r--r-- | src/southbridge/sis/sis966/usb2.c | 168 |
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, +}; |