diff options
Diffstat (limited to 'include/sata.h')
| -rw-r--r-- | include/sata.h | 108 | 
1 files changed, 108 insertions, 0 deletions
| diff --git a/include/sata.h b/include/sata.h new file mode 100644 index 000000000..c6fa2ab5b --- /dev/null +++ b/include/sata.h @@ -0,0 +1,108 @@ + +#if (DEBUG_SATA) +#define PRINTF(fmt,args...)	printf (fmt ,##args) +#else +#define PRINTF(fmt,args...) +#endif + +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 present and  +					   0-port is not available */ +	unsigned char dev_mask; +}; + +/***********SATA LIBRARY SPECIFIC DEFINITIONS AND DECLARATIONS**************/ +#ifdef SATA_DECL		/*SATA library specific declarations */ +#define ata_id_has_lba48(id)    ((id)[83] & (1 << 10)) +#define ata_id_has_lba(id)      ((id)[49] & (1 << 9)) +#define ata_id_has_dma(id)      ((id)[49] & (1 << 8)) +#define ata_id_u32(id,n)        \ +	(((u32) (id)[(n) + 1] << 16) | ((u32) (id)[(n)])) +#define ata_id_u64(id,n)        \ +	(((u64) (id)[(n) + 3] << 48) | \ +	((u64) (id)[(n) + 2] << 32) | \ +	((u64) (id)[(n) + 1] << 16) | \ +	((u64) (id)[(n) + 0]) ) +#endif + +#ifdef SATA_DECL		/*SATA library specific declarations */ +static inline void +ata_dump_id (u16 * id) +{ +	PRINTF ("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]); +	PRINTF ("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]); +	PRINTF ("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); +ulong sata_read (int device, lbaint_t blknr, ulong blkcnt, ulong * buffer); +ulong sata_write (int device, lbaint_t blknr, ulong blkcnt, ulong * buffer); +void msleep (int count); +#else +extern int sata_bus_softreset (int num); +extern void sata_identify (int num, int dev); +extern void sata_port (struct sata_ioports *ioport); +extern void set_Feature_cmd (int num, int dev); +extern ulong sata_read (int device, lbaint_t blknr, +			ulong blkcnt, ulong * buffer); +extern ulong sata_write (int device, lbaint_t blknr, +			 ulong blkcnt, ulong * buffer); +extern void msleep (int count); +#endif + +/************DRIVER SPECIFIC DEFINITIONS AND DECLARATIONS**************/ + +#ifdef DRV_DECL			/*Driver specific declaration */ +int init_sata (void); +#else +extern int init_sata (void); +#endif + +#ifdef DRV_DECL			/*Defines Driver Specific variables */ +struct sata_port port[CFG_SATA_MAXBUS]; +block_dev_desc_t sata_dev_desc[CFG_SATA_MAXDEVICES]; +int curr_dev = -1; +#else +extern struct sata_port port[CFG_SATA_MAXBUS]; +extern block_dev_desc_t sata_dev_desc[CFG_SATA_MAXDEVICES]; +extern int curr_dev; +#endif |