diff options
Diffstat (limited to 'src/southbridge/sis/sis966/sis966_usb.c')
| -rw-r--r-- | src/southbridge/sis/sis966/sis966_usb.c | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/src/southbridge/sis/sis966/sis966_usb.c b/src/southbridge/sis/sis966/sis966_usb.c new file mode 100644 index 0000000000..0cbb68f664 --- /dev/null +++ b/src/southbridge/sis/sis966/sis966_usb.c @@ -0,0 +1,114 @@ +/* + * This file is part of the LinuxBIOS 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 "sis966.h" + +// From Y.S. +// PCI R47h-R44h=0001AD54h +// PCI R4Bh-R48h=00000271h +uint8_t SiS_SiS7001_init[15][3]={ +{0x04, 0xFF, 0x07}, +{0x2C, 0xFF, 0x39}, +{0x2D, 0xFF, 0x10}, +{0x2E, 0xFF, 0x01}, +{0x2F, 0xFF, 0x70}, +{0x44, 0x00, 0x54}, +{0x45, 0x00, 0xAD}, +{0x46, 0x00, 0x01}, +{0x47, 0x00, 0x00}, +{0x48, 0x00, 0x71}, +{0x49, 0x00, 0x02}, +{0x4A, 0x00, 0x00}, +{0x4B, 0x00, 0x00}, +{0x04, 0x00, 0x07}, +{0x00, 0x00, 0x00} //End of table +}; + +static void usb_init(struct device *dev) +{ + +//-------------- enable USB1.1 (SiS7001) ------------------------- +{ + uint8_t temp8; + int i=0; + + printk_debug("USB1.1_Init\n"); + + while(SiS_SiS7001_init[i][0] != 0) + { temp8 = pci_read_config8(dev, SiS_SiS7001_init[i][0]); + temp8 &= SiS_SiS7001_init[i][1]; + temp8 |= SiS_SiS7001_init[i][2]; + pci_write_config8(dev, SiS_SiS7001_init[i][0], temp8); + i++; + }; +} +//----------------------------------------------------------- + +#if 0 +{ + int i; + printk_debug("\nUSB 1.1 PCI config"); + for(i=0;i<0xFF;i+=4) + { + if((i%16)==0) + { + print_debug("\r\n");print_debug_hex8(i);print_debug(": ");} + print_debug_hex32(pci_read_config32(dev,i)); + print_debug(" "); + } + print_debug("\r\n"); + } +#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 usb_ops = { + .read_resources = pci_dev_read_resources, + .set_resources = pci_dev_set_resources, + .enable_resources = pci_dev_enable_resources, + .init = usb_init, +// .enable = sis966_enable, + .scan_bus = 0, + .ops_pci = &lops_pci, +}; + +static struct pci_driver usb_driver __pci_driver = { + .ops = &usb_ops, + .vendor = PCI_VENDOR_ID_SIS, + .device = PCI_DEVICE_ID_SIS_SIS966_USB, +}; |