drivers/block/ata_piix.h

   1 #ifndef __ATA_PIIX_H__
   2 #define __ATA_PIIX_H__
   3
   4 #if (DEBUG_SATA)
   5 #define PRINTF(fmt,args...)     printf (fmt ,##args)
   6 #else
   7 #define PRINTF(fmt,args...)
   8 #endif
   9
  10 struct sata_ioports {
  11         unsigned long cmd_addr;
  12         unsigned long data_addr;
  13         unsigned long error_addr;
  14         unsigned long feature_addr;
  15         unsigned long nsect_addr;
  16         unsigned long lbal_addr;
  17         unsigned long lbam_addr;
  18         unsigned long lbah_addr;
  19         unsigned long device_addr;
  20         unsigned long status_addr;
  21         unsigned long command_addr;
  22         unsigned long altstatus_addr;
  23         unsigned long ctl_addr;
  24         unsigned long bmdma_addr;
  25         unsigned long scr_addr;
  26 };
  27
  28 struct sata_port {
  29         unsigned char port_no;          /* primary=0, secondary=1       */
  30         struct sata_ioports ioaddr;     /* ATA cmd/ctl/dma reg blks     */
  31         unsigned char ctl_reg;
  32         unsigned char last_ctl;
  33         unsigned char port_state;       /* 1-port is available and      */
  34                                         /* 0-port is not available      */
  35         unsigned char dev_mask;
  36 };
  37
  38 /***********SATA LIBRARY SPECIFIC DEFINITIONS AND DECLARATIONS**************/
  39 #ifdef SATA_DECL                /*SATA library specific declarations */
  40 #define ata_id_has_lba48(id)    ((id)[83] & (1 << 10))
  41 #define ata_id_has_lba(id)      ((id)[49] & (1 << 9))
  42 #define ata_id_has_dma(id)      ((id)[49] & (1 << 8))
  43 #define ata_id_u32(id,n)        \
  44         (((u32) (id)[(n) + 1] << 16) | ((u32) (id)[(n)]))
  45 #define ata_id_u64(id,n)        \
  46         (((u64) (id)[(n) + 3] << 48) | \
  47         ((u64) (id)[(n) + 2] << 32) | \
  48         ((u64) (id)[(n) + 1] << 16) | \
  49         ((u64) (id)[(n) + 0]) )
  50 #endif
  51
  52 #ifdef SATA_DECL                /*SATA library specific declarations */
  53 static inline void
  54 ata_dump_id (u16 * id)
  55 {
  56         PRINTF ("49 = 0x%04x  "
  57                 "53 = 0x%04x  "
  58                 "63 = 0x%04x  "
  59                 "64 = 0x%04x  "
  60                 "75 = 0x%04x  \n", id[49], id[53], id[63], id[64], id[75]);
  61         PRINTF ("80 = 0x%04x  "
  62                 "81 = 0x%04x  "
  63                 "82 = 0x%04x  "
  64                 "83 = 0x%04x  "
  65                 "84 = 0x%04x  \n", id[80], id[81], id[82], id[83], id[84]);
  66         PRINTF ("88 = 0x%04x  " "93 = 0x%04x\n", id[88], id[93]);
  67 }
  68 #endif
  69
  70 #ifdef SATA_DECL                /*SATA library specific declarations */
  71 int sata_bus_softreset (int num);
  72 void sata_identify (int num, int dev);
  73 void sata_port (struct sata_ioports *ioport);
  74 void set_Feature_cmd (int num, int dev);
  75 int sata_devchk (struct sata_ioports *ioaddr, int dev);
  76 void dev_select (struct sata_ioports *ioaddr, int dev);
  77 u8 sata_busy_wait (struct sata_ioports *ioaddr, int bits, unsigned int max);
  78 u8 sata_chk_status (struct sata_ioports *ioaddr);
  79 ulong sata_read (int device, ulong blknr,lbaint_t blkcnt, void * buffer);
  80 ulong sata_write (int device,ulong blknr, lbaint_t blkcnt, void * buffer);
  81 void msleep (int count);
  82 #endif
  83
  84 /************DRIVER SPECIFIC DEFINITIONS AND DECLARATIONS**************/
  85
  86 #ifdef DRV_DECL                 /*Driver specific declaration */
  87 int init_sata (int dev);
  88 #endif
  89
  90 #ifdef DRV_DECL                 /*Defines Driver Specific variables */
  91 struct sata_port port[CONFIG_SYS_SATA_MAXBUS];
  92 #endif
  93
  94 #endif /* __ATA_PIIX_H__ */