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95 lines
2.8 KiB
C
95 lines
2.8 KiB
C
#ifndef __ATA_PIIX_H__
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#define __ATA_PIIX_H__
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#if (DEBUG_SATA)
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#define PRINTF(fmt,args...) printf (fmt ,##args)
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#else
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#define PRINTF(fmt,args...)
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#endif
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struct sata_ioports {
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unsigned long cmd_addr;
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unsigned long data_addr;
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unsigned long error_addr;
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unsigned long feature_addr;
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unsigned long nsect_addr;
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unsigned long lbal_addr;
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unsigned long lbam_addr;
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unsigned long lbah_addr;
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unsigned long device_addr;
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unsigned long status_addr;
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unsigned long command_addr;
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unsigned long altstatus_addr;
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unsigned long ctl_addr;
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unsigned long bmdma_addr;
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unsigned long scr_addr;
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};
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struct sata_port {
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unsigned char port_no; /* primary=0, secondary=1 */
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struct sata_ioports ioaddr; /* ATA cmd/ctl/dma reg blks */
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unsigned char ctl_reg;
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unsigned char last_ctl;
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unsigned char port_state; /* 1-port is available and */
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/* 0-port is not available */
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unsigned char dev_mask;
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};
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/***********SATA LIBRARY SPECIFIC DEFINITIONS AND DECLARATIONS**************/
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#ifdef SATA_DECL /*SATA library specific declarations */
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#define ata_id_has_lba48(id) ((id)[83] & (1 << 10))
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#define ata_id_has_lba(id) ((id)[49] & (1 << 9))
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#define ata_id_has_dma(id) ((id)[49] & (1 << 8))
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#define ata_id_u32(id,n) \
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(((u32) (id)[(n) + 1] << 16) | ((u32) (id)[(n)]))
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#define ata_id_u64(id,n) \
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(((u64) (id)[(n) + 3] << 48) | \
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((u64) (id)[(n) + 2] << 32) | \
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((u64) (id)[(n) + 1] << 16) | \
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((u64) (id)[(n) + 0]) )
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#endif
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#ifdef SATA_DECL /*SATA library specific declarations */
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static inline void
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ata_dump_id (u16 * id)
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{
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PRINTF ("49 = 0x%04x "
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"53 = 0x%04x "
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"63 = 0x%04x "
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"64 = 0x%04x "
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"75 = 0x%04x \n", id[49], id[53], id[63], id[64], id[75]);
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PRINTF ("80 = 0x%04x "
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"81 = 0x%04x "
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"82 = 0x%04x "
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"83 = 0x%04x "
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"84 = 0x%04x \n", id[80], id[81], id[82], id[83], id[84]);
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PRINTF ("88 = 0x%04x " "93 = 0x%04x\n", id[88], id[93]);
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}
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#endif
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#ifdef SATA_DECL /*SATA library specific declarations */
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int sata_bus_softreset (int num);
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void sata_identify (int num, int dev);
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void sata_port (struct sata_ioports *ioport);
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void set_Feature_cmd (int num, int dev);
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int sata_devchk (struct sata_ioports *ioaddr, int dev);
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void dev_select (struct sata_ioports *ioaddr, int dev);
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u8 sata_busy_wait (struct sata_ioports *ioaddr, int bits, unsigned int max);
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u8 sata_chk_status (struct sata_ioports *ioaddr);
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ulong sata_read (int device, ulong blknr,lbaint_t blkcnt, void * buffer);
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ulong sata_write (int device,ulong blknr, lbaint_t blkcnt, void * buffer);
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void msleep (int count);
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#endif
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/************DRIVER SPECIFIC DEFINITIONS AND DECLARATIONS**************/
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#ifdef DRV_DECL /*Driver specific declaration */
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int init_sata (int dev);
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#endif
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#ifdef DRV_DECL /*Defines Driver Specific variables */
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struct sata_port port[CFG_SATA_MAXBUS];
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#endif
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#endif /* __ATA_PIIX_H__ */
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