diff options
Diffstat (limited to 'src/southbridge/sis/sis966/ide.c')
| -rw-r--r-- | src/southbridge/sis/sis966/ide.c | 196 |
1 files changed, 196 insertions, 0 deletions
diff --git a/src/southbridge/sis/sis966/ide.c b/src/southbridge/sis/sis966/ide.c new file mode 100644 index 0000000000..c57be5ade7 --- /dev/null +++ b/src/southbridge/sis/sis966/ide.c @@ -0,0 +1,196 @@ +/* + * 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" + +uint8_t SiS_SiS5513_init[49][3]={ +{0x04, 0xFF, 0x05}, +{0x0D, 0xFF, 0x80}, +{0x2C, 0xFF, 0x39}, +{0x2D, 0xFF, 0x10}, +{0x2E, 0xFF, 0x13}, +{0x2F, 0xFF, 0x55}, +{0x50, 0xFF, 0xA2}, +{0x51, 0xFF, 0x21}, +{0x53, 0xFF, 0x21}, +{0x54, 0xFF, 0x2A}, +{0x55, 0xFF, 0x96}, +{0x52, 0xFF, 0xA2}, +{0x56, 0xFF, 0x81}, +{0x57, 0xFF, 0xC0}, +{0x60, 0xFF, 0xFB}, +{0x61, 0xFF, 0xAA}, +{0x62, 0xFF, 0xFB}, +{0x63, 0xFF, 0xAA}, +{0x81, 0xFF, 0xB3}, +{0x82, 0xFF, 0x72}, +{0x83, 0xFF, 0x40}, +{0x85, 0xFF, 0xB3}, +{0x86, 0xFF, 0x72}, +{0x87, 0xFF, 0x40}, +{0x94, 0xFF, 0xC0}, +{0x95, 0xFF, 0x08}, +{0x96, 0xFF, 0xC0}, +{0x97, 0xFF, 0x08}, +{0x98, 0xFF, 0xCC}, +{0x99, 0xFF, 0x04}, +{0x9A, 0xFF, 0x0C}, +{0x9B, 0xFF, 0x14}, +{0xA0, 0xFF, 0x11}, +{0x57, 0xFF, 0xD0}, + +{0xD8, 0xFE, 0x01}, // Com reset +{0xC8, 0xFE, 0x01}, +{0xC4, 0xFF, 0xFF}, // Clear status +{0xC5, 0xFF, 0xFF}, +{0xC6, 0xFF, 0xFF}, +{0xC7, 0xFF, 0xFF}, +{0xD4, 0xFF, 0xFF}, +{0xD5, 0xFF, 0xFF}, +{0xD6, 0xFF, 0xFF}, +{0xD7, 0xFF, 0xFF}, + + +{0x2C, 0xFF, 0x39}, // set subsystem ID +{0x2D, 0xFF, 0x10}, +{0x2E, 0xFF, 0x13}, +{0x2F, 0xFF, 0x55}, + + +{0x00, 0x00, 0x00} //End of table +}; + +static void ide_init(struct device *dev) +{ + struct southbridge_sis_sis966_config *conf; + /* Enable ide devices so the linux ide driver will work */ + uint32_t dword; + uint16_t word; + uint8_t byte; + conf = dev->chip_info; + + + +print_debug("IDE_INIT:---------->\n"); + + +//-------------- enable IDE (SiS5513) ------------------------- +{ + uint8_t temp8; + int i=0; + while(SiS_SiS5513_init[i][0] != 0) + { + temp8 = pci_read_config8(dev, SiS_SiS5513_init[i][0]); + temp8 &= SiS_SiS5513_init[i][1]; + temp8 |= SiS_SiS5513_init[i][2]; + pci_write_config8(dev, SiS_SiS5513_init[i][0], temp8); + i++; + }; +} +//----------------------------------------------------------- + + word = pci_read_config16(dev, 0x50); + /* Ensure prefetch is disabled */ + word &= ~((1 << 15) | (1 << 13)); + if (conf->ide1_enable) { + /* Enable secondary ide interface */ + word |= (1<<0); + printk(BIOS_DEBUG, "IDE1 \t"); + } + if (conf->ide0_enable) { + /* Enable primary ide interface */ + word |= (1<<1); + printk(BIOS_DEBUG, "IDE0\n"); + } + + word |= (1<<12); + word |= (1<<14); + + pci_write_config16(dev, 0x50, word); + + + byte = 0x20 ; // Latency: 64-->32 + pci_write_config8(dev, 0xd, byte); + + dword = pci_read_config32(dev, 0xf8); + dword |= 12; + pci_write_config32(dev, 0xf8, dword); +#if CONFIG_PCI_ROM_RUN == 1 + pci_dev_init(dev); +#endif + +#if DEBUG_IDE +{ + int i; + + print_debug("****** IDE 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("IDE_INIT:<----------\n"); +} + +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 ide_ops = { + .read_resources = pci_dev_read_resources, + .set_resources = pci_dev_set_resources, + .enable_resources = pci_dev_enable_resources, + .init = ide_init, + .scan_bus = 0, +// .enable = sis966_enable, + .ops_pci = &lops_pci, +}; + +static const struct pci_driver ide_driver __pci_driver = { + .ops = &ide_ops, + .vendor = PCI_VENDOR_ID_SIS, + .device = PCI_DEVICE_ID_SIS_SIS966_IDE, +}; + |