drivers/block/ata_piix.h

#ifndef __ATA_PIIX_H__
#define __ATA_PIIX_H__

struct sata_ioports {
	unsigned long cmd_addr;
	unsigned long data_addr;
	unsigned long error_addr;
	unsigned long feature_addr;
	unsigned long nsect_addr;
	unsigned long lbal_addr;
	unsigned long lbam_addr;
	unsigned long lbah_addr;
	unsigned long device_addr;
	unsigned long status_addr;
	unsigned long command_addr;
	unsigned long altstatus_addr;
	unsigned long ctl_addr;
	unsigned long bmdma_addr;
	unsigned long scr_addr;
};

struct sata_port {
	unsigned char port_no;		/* primary=0, secondary=1	*/
	struct sata_ioports ioaddr;	/* ATA cmd/ctl/dma reg blks	*/
	unsigned char ctl_reg;
	unsigned char last_ctl;
	unsigned char port_state;	/* 1-port is available and	*/
					/* 0-port is not available	*/
	unsigned char dev_mask;
};

/***********SATA LIBRARY SPECIFIC DEFINITIONS AND DECLARATIONS**************/
#ifdef SATA_DECL		/* SATA library specific declarations */
inline void ata_dump_id(u16 *id)
{
	debug("49 = 0x%04x  "
		"53 = 0x%04x  "
		"63 = 0x%04x  "
		"64 = 0x%04x  "
		"75 = 0x%04x\n", id[49], id[53], id[63], id[64], id[75]);
	debug("80 = 0x%04x  "
		"81 = 0x%04x  "
		"82 = 0x%04x  "
		"83 = 0x%04x  "
		"84 = 0x%04x\n", id[80], id[81], id[82], id[83], id[84]);
	debug("88 = 0x%04x  " "93 = 0x%04x\n", id[88], id[93]);
}
#endif

#ifdef SATA_DECL		/*SATA library specific declarations */
int sata_bus_softreset(int num);
void sata_identify(int num, int dev);
void sata_port(struct sata_ioports *ioport);
void set_Feature_cmd(int num, int dev);
int sata_devchk(struct sata_ioports *ioaddr, int dev);
void dev_select(struct sata_ioports *ioaddr, int dev);
u8 sata_busy_wait(struct sata_ioports *ioaddr, int bits, unsigned int max);
u8 sata_chk_status(struct sata_ioports *ioaddr);
#endif

/************DRIVER SPECIFIC DEFINITIONS AND DECLARATIONS**************/

#ifdef DRV_DECL			/* Driver specific declaration */
int init_sata(int dev);
#endif

#ifdef DRV_DECL			/* Defines Driver Specific variables */
struct sata_port port[CONFIG_SYS_SATA_MAXBUS];
#endif

#endif /* __ATA_PIIX_H__ */