src/southbridge/amd/sb700/sata.c - mirrors/cros/chromiumos/third_party/coreboot - Git at Google

 /*
  * This file is part of the coreboot project.
  *
  * Copyright (C) 2010 Advanced Micro Devices, Inc.
  *
  * 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.
  *
  * 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 <delay.h>
 #include <device/pci.h>
 #include <device/pci_ids.h>
 #include <device/pci_ops.h>
 #include <arch/io.h>
 #include "sb700.h"

 static int sata_drive_detect(int portnum, u16 iobar)
 {
 	u8 byte, byte2;
 	int i = 0;
 	outb(0xA0 + 0x10 * (portnum % 2), iobar + 0x6);
 	while (byte = inb(iobar + 0x6), byte2 = inb(iobar + 0x7),
 		(byte != (0xA0 + 0x10 * (portnum % 2))) ||
 		((byte2 & 0x88) != 0)) {
 		printk(BIOS_SPEW, "0x6=%x, 0x7=%x\n", byte, byte2);
 		if (byte != (0xA0 + 0x10 * (portnum % 2))) {
 			/* This will happen at the first iteration of this loop
 			 * if the first SATA port is unpopulated and the
 			 * second SATA port is poulated.
 			 */
 			printk(BIOS_DEBUG, "drive no longer selected after %i ms, "
 				"retrying init\n", i * 10);
 			return 1;
 		} else
 			printk(BIOS_SPEW, "drive detection not yet completed, "
 				"waiting...\n");
 		mdelay(10);
 		i++;
 	}
 	printk(BIOS_SPEW, "drive detection done after %i ms\n", i * 10);
 	return 0;
 }

 /* This function can be overloaded in mainboard.c */
 void __attribute__((weak)) sb7xx_51xx_setup_sata_phys(struct device *dev)
 {
 	/* RPR7.6.1 Program the PHY Global Control to 0x2C00 */
 	pci_write_config16(dev, 0x86, 0x2c00);

 	/* RPR7.6.2 SATA GENI PHY ports setting */
 	pci_write_config32(dev, 0x88, 0x01B48017);
 	pci_write_config32(dev, 0x8c, 0x01B48019);
 	pci_write_config32(dev, 0x90, 0x01B48016);
 	pci_write_config32(dev, 0x94, 0x01B48016);
 	pci_write_config32(dev, 0x98, 0x01B48016);
 	pci_write_config32(dev, 0x9C, 0x01B48016);

 	/* RPR7.6.3 SATA GEN II PHY port setting for port [0~5]. */
 	pci_write_config16(dev, 0xA0, 0xA09A);
 	pci_write_config16(dev, 0xA2, 0xA09F);
 	pci_write_config16(dev, 0xA4, 0xA07A);
 	pci_write_config16(dev, 0xA6, 0xA07A);
 	pci_write_config16(dev, 0xA8, 0xA07A);
 	pci_write_config16(dev, 0xAA, 0xA07A);
 }

 static void sata_init(struct device *dev)
 {
 	u8 byte;
 	u16 word;
 	u32 dword;
 	u8 rev_id;
 	u32 sata_bar5;
 	u16 sata_bar0, sata_bar1, sata_bar2, sata_bar3, sata_bar4;
 	int i, j;

 	device_t sm_dev;
 	/* SATA SMBus Disable */
 	sm_dev = dev_find_slot(0, PCI_DEVFN(0x14, 0));

 	byte = pci_read_config8(sm_dev, 0xad);
 	/* Disable SATA SMBUS */
 	byte |= (1 << 0);
 	/* Enable SATA and power saving */
 	byte |= (1 << 1);
 	byte |= (1 << 5);
 	pci_write_config8(sm_dev, 0xad, byte);

 	/* RPR 7.2 SATA Initialization */
 	/* Set the interrupt Mapping to INTG# */
 	byte = pci_read_config8(sm_dev, 0xaf);
 	byte = 0x6 << 2;
 	pci_write_config8(sm_dev, 0xaf, byte);

 	/* get rev_id */
 	rev_id = pci_read_config8(sm_dev, 0x08) - 0x28;

 	/* get base address */
 	sata_bar5 = pci_read_config32(dev, 0x24) & ~0x3FF;
 	sata_bar0 = pci_read_config16(dev, 0x10) & ~0x7;
 	sata_bar1 = pci_read_config16(dev, 0x14) & ~0x3;
 	sata_bar2 = pci_read_config16(dev, 0x18) & ~0x7;
 	sata_bar3 = pci_read_config16(dev, 0x1C) & ~0x3;
 	sata_bar4 = pci_read_config16(dev, 0x20) & ~0xf;

 	printk(BIOS_SPEW, "sata_bar0=%x\n", sata_bar0);	/* 3030 */
 	printk(BIOS_SPEW, "sata_bar1=%x\n", sata_bar1);	/* 3070 */
 	printk(BIOS_SPEW, "sata_bar2=%x\n", sata_bar2);	/* 3040 */
 	printk(BIOS_SPEW, "sata_bar3=%x\n", sata_bar3);	/* 3080 */
 	printk(BIOS_SPEW, "sata_bar4=%x\n", sata_bar4);	/* 3000 */
 	printk(BIOS_SPEW, "sata_bar5=%x\n", sata_bar5);	/* e0309000 */

 	/* disable combined mode */
 	byte = pci_read_config8(sm_dev, 0xAD);
 	byte &= ~(1 << 3);
 	pci_write_config8(sm_dev, 0xAD, byte);
 	/* Program the 2C to 0x43801002 */
 	dword = 0x43801002;
 	pci_write_config32(dev, 0x2c, dword);

 	/* SERR-Enable */
 	word = pci_read_config16(dev, 0x04);
 	word |= (1 << 8);
 	pci_write_config16(dev, 0x04, word);

 	/* Dynamic power saving */
 	byte = pci_read_config8(dev, 0x40);
 	byte |= (1 << 2);
 	pci_write_config8(dev, 0x40, byte);

 	/* Set SATA Operation Mode, Set to IDE mode */
 	byte = pci_read_config8(dev, 0x40);
 	byte |= (1 << 0);
 	byte |= (1 << 4);
 	pci_write_config8(dev, 0x40, byte);

 	dword = 0x01018f00;
 	pci_write_config32(dev, 0x8, dword);

 	byte = pci_read_config8(dev, 0x40);
 	byte &= ~(1 << 0);
 	pci_write_config8(dev, 0x40, byte);

 	/* Enable the SATA watchdog counter */
 	byte = pci_read_config8(dev, 0x44);
 	byte |= (1 << 0);
 	pci_write_config8(dev, 0x44, byte);

 	/* Set bit 29 and 24 for A12 */
 	dword = pci_read_config32(dev, 0x40);
 	if (rev_id < 0x14)	/* before A12 */
 		dword |= (1 << 29);
 	else
 		dword &= ~(1 << 29); /* A14 and above */
 	pci_write_config32(dev, 0x40, dword);

 	/* set bit 21 for A12 */
 	dword = pci_read_config32(dev, 0x48);
 	if (rev_id < 0x14)	/* before A12 */
 		dword |= 1 << 24 | 1 << 21;
 	else {
 		dword &= ~(1 << 24 | 1 << 21); /* A14 and above */
 		dword &= ~0xFF80; /* 15:7 */
 		dword |= 1 << 15 | 0x7F << 7;
 	}
 	pci_write_config32(dev, 0x48, dword);

 	/* Program the watchdog counter to 0x10 */
 	byte = 0x10;
 	pci_write_config8(dev, 0x46, byte);
 	sb7xx_51xx_setup_sata_phys(dev);
 	/* Enable the I/O, MM, BusMaster access for SATA */
 	byte = pci_read_config8(dev, 0x4);
 	byte |= 7 << 0;
 	pci_write_config8(dev, 0x4, byte);

 #if CONFIG_SOUTHBRIDGE_AMD_SUBTYPE_SP5100
 	/* Master Latency Timer */
 	pci_write_config32(dev, 0xC, 0x00004000);
 #endif

 	/* RPR7.7 SATA drive detection. */
 	/* Use BAR5+0x128,BAR0 for Primary Slave */
 	/* Use BAR5+0x1A8,BAR0 for Primary Slave */
 	/* Use BAR5+0x228,BAR2 for Secondary Master */
 	/* Use BAR5+0x2A8,BAR2 for Secondary Slave */
 	/* Use BAR5+0x328,PATA_BAR0/2 for Primary/Secondary master emulation */
 	/* Use BAR5+0x3A8,PATA_BAR0/2 for Primary/Secondary Slave emulation */

 	/* TODO: port 4,5, which are PATA emulations. What are PATA_BARs? */

 	for (i = 0; i < 4; i++) {
 		byte = read8(sata_bar5 + 0x128 + 0x80 * i);
 		printk(BIOS_SPEW, "SATA port %i status = %x\n", i, byte);
 		byte &= 0xF;
 		if( byte == 0x1 ) {
 			/* If the drive status is 0x1 then we see it but we aren't talking to it. */
 			/* Try to do something about it. */
 			printk(BIOS_SPEW, "SATA device detected but not talking. Trying lower speed.\n");

 			/* Read in Port-N Serial ATA Control Register */
 			byte = read8(sata_bar5 + 0x12C + 0x80 * i);

 			/* Set Reset Bit and 1.5g bit */
 			byte |= 0x11;
 			write8((sata_bar5 + 0x12C + 0x80 * i), byte);

 			/* Wait 1ms */
 			mdelay(1);

 			/* Clear Reset Bit */
 			byte &= ~0x01;
 			write8((sata_bar5 + 0x12C + 0x80 * i), byte);

 			/* Wait 1ms */
 			mdelay(1);

 			/* Reread status */
 			byte = read8(sata_bar5 + 0x128 + 0x80 * i);
 			printk(BIOS_SPEW, "SATA port %i status = %x\n", i, byte);
 			byte &= 0xF;
 		}

 		if (byte == 0x3) {
 			for (j = 0; j < 10; j++) {
 				if (!sata_drive_detect(i, ((i / 2) == 0) ? sata_bar0 : sata_bar2))
 					break;
 			}
 			printk(BIOS_DEBUG, "%s %s device is %sready after %i tries\n",
 					(i / 2) ? "Secondary" : "Primary",
 					(i % 2 ) ? "Slave" : "Master",
 					(j == 10) ? "not " : "",
 					(j == 10) ? j : j + 1);
 		} else {
 			printk(BIOS_DEBUG, "No %s %s SATA drive on Slot%i\n",
 					(i / 2) ? "Secondary" : "Primary",
 					(i % 2 ) ? "Slave" : "Master", i);
 		}
 	}

 	/* Below is CIM InitSataLateFar */
 	/* Enable interrupts from the HBA  */
 	byte = read8(sata_bar5 + 0x4);
 	byte |= 1 << 1;
 	write8((sata_bar5 + 0x4), byte);

 	/* Clear error status */
 	write32((sata_bar5 + 0x130), 0xFFFFFFFF);
 	write32((sata_bar5 + 0x1b0), 0xFFFFFFFF);
 	write32((sata_bar5 + 0x230), 0xFFFFFFFF);
 	write32((sata_bar5 + 0x2b0), 0xFFFFFFFF);
 	write32((sata_bar5 + 0x330), 0xFFFFFFFF);
 	write32((sata_bar5 + 0x3b0), 0xFFFFFFFF);

 	/* Clear SATA status,Firstly we get the AcpiGpe0BlkAddr */
 	/* ????? why CIM does not set the AcpiGpe0BlkAddr , but use it??? */

 	/* word = 0x0000; */
 	/* word = pm_ioread(0x28); */
 	/* byte = pm_ioread(0x29); */
 	/* word |= byte<<8; */
 	/* printk(BIOS_DEBUG, "AcpiGpe0Blk addr = %x\n", word); */
 	/* write32(word, 0x80000000); */
 }

 static struct pci_operations lops_pci = {
 	.set_subsystem = pci_dev_set_subsystem,
 };

 static struct device_operations sata_ops = {
 	.read_resources = pci_dev_read_resources,
 	.set_resources = pci_dev_set_resources,
 	.enable_resources = pci_dev_enable_resources,
 	.init = sata_init,
 	.scan_bus = 0,
 	.ops_pci = &lops_pci,
 };

 static const struct pci_driver sata0_driver __pci_driver = {
 	.ops = &sata_ops,
 	.vendor = PCI_VENDOR_ID_ATI,
 	.device = PCI_DEVICE_ID_ATI_SB700_SATA,
 };
	/*
	* This file is part of the coreboot project.
	*
	* Copyright (C) 2010 Advanced Micro Devices, Inc.
	*
	* 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.
	*
	* 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 <delay.h>
	#include <device/pci.h>
	#include <device/pci_ids.h>
	#include <device/pci_ops.h>
	#include <arch/io.h>
	#include "sb700.h"

	static int sata_drive_detect(int portnum, u16 iobar)
	{
	u8 byte, byte2;
	int i = 0;
	outb(0xA0 + 0x10 * (portnum % 2), iobar + 0x6);
	while (byte = inb(iobar + 0x6), byte2 = inb(iobar + 0x7),
	(byte != (0xA0 + 0x10 * (portnum % 2))) \|\|
	((byte2 & 0x88) != 0)) {
	printk(BIOS_SPEW, "0x6=%x, 0x7=%x\n", byte, byte2);
	if (byte != (0xA0 + 0x10 * (portnum % 2))) {
	/* This will happen at the first iteration of this loop
	* if the first SATA port is unpopulated and the
	* second SATA port is poulated.
	*/
	printk(BIOS_DEBUG, "drive no longer selected after %i ms, "
	"retrying init\n", i * 10);
	return 1;
	} else
	printk(BIOS_SPEW, "drive detection not yet completed, "
	"waiting...\n");
	mdelay(10);
	i++;
	}
	printk(BIOS_SPEW, "drive detection done after %i ms\n", i * 10);
	return 0;
	}

	/* This function can be overloaded in mainboard.c */
	void __attribute__((weak)) sb7xx_51xx_setup_sata_phys(struct device *dev)
	{
	/* RPR7.6.1 Program the PHY Global Control to 0x2C00 */
	pci_write_config16(dev, 0x86, 0x2c00);

	/* RPR7.6.2 SATA GENI PHY ports setting */
	pci_write_config32(dev, 0x88, 0x01B48017);
	pci_write_config32(dev, 0x8c, 0x01B48019);
	pci_write_config32(dev, 0x90, 0x01B48016);
	pci_write_config32(dev, 0x94, 0x01B48016);
	pci_write_config32(dev, 0x98, 0x01B48016);
	pci_write_config32(dev, 0x9C, 0x01B48016);

	/* RPR7.6.3 SATA GEN II PHY port setting for port [0~5]. */
	pci_write_config16(dev, 0xA0, 0xA09A);
	pci_write_config16(dev, 0xA2, 0xA09F);
	pci_write_config16(dev, 0xA4, 0xA07A);
	pci_write_config16(dev, 0xA6, 0xA07A);
	pci_write_config16(dev, 0xA8, 0xA07A);
	pci_write_config16(dev, 0xAA, 0xA07A);
	}

	static void sata_init(struct device *dev)
	{
	u8 byte;
	u16 word;
	u32 dword;
	u8 rev_id;
	u32 sata_bar5;
	u16 sata_bar0, sata_bar1, sata_bar2, sata_bar3, sata_bar4;
	int i, j;

	device_t sm_dev;
	/* SATA SMBus Disable */
	sm_dev = dev_find_slot(0, PCI_DEVFN(0x14, 0));

	byte = pci_read_config8(sm_dev, 0xad);
	/* Disable SATA SMBUS */
	byte \|= (1 << 0);
	/* Enable SATA and power saving */
	byte \|= (1 << 1);
	byte \|= (1 << 5);
	pci_write_config8(sm_dev, 0xad, byte);

	/* RPR 7.2 SATA Initialization */
	/* Set the interrupt Mapping to INTG# */
	byte = pci_read_config8(sm_dev, 0xaf);
	byte = 0x6 << 2;
	pci_write_config8(sm_dev, 0xaf, byte);

	/* get rev_id */
	rev_id = pci_read_config8(sm_dev, 0x08) - 0x28;

	/* get base address */
	sata_bar5 = pci_read_config32(dev, 0x24) & ~0x3FF;
	sata_bar0 = pci_read_config16(dev, 0x10) & ~0x7;
	sata_bar1 = pci_read_config16(dev, 0x14) & ~0x3;
	sata_bar2 = pci_read_config16(dev, 0x18) & ~0x7;
	sata_bar3 = pci_read_config16(dev, 0x1C) & ~0x3;
	sata_bar4 = pci_read_config16(dev, 0x20) & ~0xf;

	printk(BIOS_SPEW, "sata_bar0=%x\n", sata_bar0); /* 3030 */
	printk(BIOS_SPEW, "sata_bar1=%x\n", sata_bar1); /* 3070 */
	printk(BIOS_SPEW, "sata_bar2=%x\n", sata_bar2); /* 3040 */
	printk(BIOS_SPEW, "sata_bar3=%x\n", sata_bar3); /* 3080 */
	printk(BIOS_SPEW, "sata_bar4=%x\n", sata_bar4); /* 3000 */
	printk(BIOS_SPEW, "sata_bar5=%x\n", sata_bar5); /* e0309000 */

	/* disable combined mode */
	byte = pci_read_config8(sm_dev, 0xAD);
	byte &= ~(1 << 3);
	pci_write_config8(sm_dev, 0xAD, byte);
	/* Program the 2C to 0x43801002 */
	dword = 0x43801002;
	pci_write_config32(dev, 0x2c, dword);

	/* SERR-Enable */
	word = pci_read_config16(dev, 0x04);
	word \|= (1 << 8);
	pci_write_config16(dev, 0x04, word);

	/* Dynamic power saving */
	byte = pci_read_config8(dev, 0x40);
	byte \|= (1 << 2);
	pci_write_config8(dev, 0x40, byte);

	/* Set SATA Operation Mode, Set to IDE mode */
	byte = pci_read_config8(dev, 0x40);
	byte \|= (1 << 0);
	byte \|= (1 << 4);
	pci_write_config8(dev, 0x40, byte);

	dword = 0x01018f00;
	pci_write_config32(dev, 0x8, dword);

	byte = pci_read_config8(dev, 0x40);
	byte &= ~(1 << 0);
	pci_write_config8(dev, 0x40, byte);

	/* Enable the SATA watchdog counter */
	byte = pci_read_config8(dev, 0x44);
	byte \|= (1 << 0);
	pci_write_config8(dev, 0x44, byte);

	/* Set bit 29 and 24 for A12 */
	dword = pci_read_config32(dev, 0x40);
	if (rev_id < 0x14) /* before A12 */
	dword \|= (1 << 29);
	else
	dword &= ~(1 << 29); /* A14 and above */
	pci_write_config32(dev, 0x40, dword);

	/* set bit 21 for A12 */
	dword = pci_read_config32(dev, 0x48);
	if (rev_id < 0x14) /* before A12 */
	dword \|= 1 << 24 \| 1 << 21;
	else {
	dword &= ~(1 << 24 \| 1 << 21); /* A14 and above */
	dword &= ~0xFF80; /* 15:7 */
	dword \|= 1 << 15 \| 0x7F << 7;
	}
	pci_write_config32(dev, 0x48, dword);

	/* Program the watchdog counter to 0x10 */
	byte = 0x10;
	pci_write_config8(dev, 0x46, byte);
	sb7xx_51xx_setup_sata_phys(dev);
	/* Enable the I/O, MM, BusMaster access for SATA */
	byte = pci_read_config8(dev, 0x4);
	byte \|= 7 << 0;
	pci_write_config8(dev, 0x4, byte);

	#if CONFIG_SOUTHBRIDGE_AMD_SUBTYPE_SP5100
	/* Master Latency Timer */
	pci_write_config32(dev, 0xC, 0x00004000);
	#endif

	/* RPR7.7 SATA drive detection. */
	/* Use BAR5+0x128,BAR0 for Primary Slave */
	/* Use BAR5+0x1A8,BAR0 for Primary Slave */
	/* Use BAR5+0x228,BAR2 for Secondary Master */
	/* Use BAR5+0x2A8,BAR2 for Secondary Slave */
	/* Use BAR5+0x328,PATA_BAR0/2 for Primary/Secondary master emulation */
	/* Use BAR5+0x3A8,PATA_BAR0/2 for Primary/Secondary Slave emulation */

	/* TODO: port 4,5, which are PATA emulations. What are PATA_BARs? */

	for (i = 0; i < 4; i++) {
	byte = read8(sata_bar5 + 0x128 + 0x80 * i);
	printk(BIOS_SPEW, "SATA port %i status = %x\n", i, byte);
	byte &= 0xF;
	if( byte == 0x1 ) {
	/* If the drive status is 0x1 then we see it but we aren't talking to it. */
	/* Try to do something about it. */
	printk(BIOS_SPEW, "SATA device detected but not talking. Trying lower speed.\n");

	/* Read in Port-N Serial ATA Control Register */
	byte = read8(sata_bar5 + 0x12C + 0x80 * i);

	/* Set Reset Bit and 1.5g bit */
	byte \|= 0x11;
	write8((sata_bar5 + 0x12C + 0x80 * i), byte);

	/* Wait 1ms */
	mdelay(1);

	/* Clear Reset Bit */
	byte &= ~0x01;
	write8((sata_bar5 + 0x12C + 0x80 * i), byte);

	/* Wait 1ms */
	mdelay(1);

	/* Reread status */
	byte = read8(sata_bar5 + 0x128 + 0x80 * i);
	printk(BIOS_SPEW, "SATA port %i status = %x\n", i, byte);
	byte &= 0xF;
	}

	if (byte == 0x3) {
	for (j = 0; j < 10; j++) {
	if (!sata_drive_detect(i, ((i / 2) == 0) ? sata_bar0 : sata_bar2))
	break;
	}
	printk(BIOS_DEBUG, "%s %s device is %sready after %i tries\n",
	(i / 2) ? "Secondary" : "Primary",
	(i % 2 ) ? "Slave" : "Master",
	(j == 10) ? "not " : "",
	(j == 10) ? j : j + 1);
	} else {
	printk(BIOS_DEBUG, "No %s %s SATA drive on Slot%i\n",
	(i / 2) ? "Secondary" : "Primary",
	(i % 2 ) ? "Slave" : "Master", i);
	}
	}

	/* Below is CIM InitSataLateFar */
	/* Enable interrupts from the HBA */
	byte = read8(sata_bar5 + 0x4);
	byte \|= 1 << 1;
	write8((sata_bar5 + 0x4), byte);

	/* Clear error status */
	write32((sata_bar5 + 0x130), 0xFFFFFFFF);
	write32((sata_bar5 + 0x1b0), 0xFFFFFFFF);
	write32((sata_bar5 + 0x230), 0xFFFFFFFF);
	write32((sata_bar5 + 0x2b0), 0xFFFFFFFF);
	write32((sata_bar5 + 0x330), 0xFFFFFFFF);
	write32((sata_bar5 + 0x3b0), 0xFFFFFFFF);

	/* Clear SATA status,Firstly we get the AcpiGpe0BlkAddr */
	/* ????? why CIM does not set the AcpiGpe0BlkAddr , but use it??? */

	/* word = 0x0000; */
	/* word = pm_ioread(0x28); */
	/* byte = pm_ioread(0x29); */
	/* word \|= byte<<8; */
	/* printk(BIOS_DEBUG, "AcpiGpe0Blk addr = %x\n", word); */
	/* write32(word, 0x80000000); */
	}

	static struct pci_operations lops_pci = {
	.set_subsystem = pci_dev_set_subsystem,
	};

	static struct device_operations sata_ops = {
	.read_resources = pci_dev_read_resources,
	.set_resources = pci_dev_set_resources,
	.enable_resources = pci_dev_enable_resources,
	.init = sata_init,
	.scan_bus = 0,
	.ops_pci = &lops_pci,
	};

	static const struct pci_driver sata0_driver __pci_driver = {
	.ops = &sata_ops,
	.vendor = PCI_VENDOR_ID_ATI,
	.device = PCI_DEVICE_ID_ATI_SB700_SATA,
	};