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 0000000..c6fa2ab --- /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 |