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Add Ultra-SCSI support and enable more features for advanced

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Symbios/NCR SCSI chips (no-flush option, large fifo, ...).

Submitted by:	Gerard Roudier <groudier@club-internet.fr>
This commit is contained in:
se 1997-07-25 20:45:09 +00:00
parent 9595fcd5eb
commit d28d4e795b
2 changed files with 738 additions and 214 deletions
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898
sys/pci/ncr.c
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File diff suppressed because it is too large Load Diff

54
sys/pci/ncrreg.h
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@ -1,6 +1,6 @@
/**************************************************************************
**
** $Id$
** $Id: ncrreg.h,v 1.7 1997/02/22 09:44:10 peter Exp $
**
** Device driver for the NCR 53C810 PCI-SCSI-Controller.
**
@ -160,6 +160,7 @@ struct ncr_reg {
#define MPEE 0x08 /* mod: master parity error enable */
/*22*/ u_char nc_ctest5;
#define DFS 0x20 /* mod: dma fifo size */
/*23*/ u_char nc_ctest6;
/*24*/ u_long nc_dbc; /* ### Byte count and command */
@ -224,10 +225,18 @@ struct ncr_reg {
/*4f*/ u_char nc_stest3;
#define TE 0x80 /* c: tolerAnt enable */
#define HSC 0x20 /* c: Halt SCSI Clock */
#define CSF 0x02 /* c: clear scsi fifo */
/*50*/ u_short nc_sidl; /* Lowlevel: latched from scsi data */
/*52*/ u_short nc_52_;
/*52*/ u_char nc_stest4;
#define SMODE 0xc0 /* SCSI bus mode (895/6 only) */
#define SMODE_HVD 0x40 /* High Voltage Differential */
#define SMODE_SE 0x80 /* Single Ended */
#define SMODE_LVD 0xc0 /* Low Voltage Differential */
#define LCKFRQ 0x20 /* Frequency Lock (895/6 only) */
/*53*/ u_char nc_53_;
/*54*/ u_short nc_sodl; /* Lowlevel: data out to scsi data */
/*56*/ u_short nc_56_;
/*58*/ u_short nc_sbdl; /* Lowlevel: data from scsi data */
@ -368,8 +377,6 @@ struct scr_tblsel {
#define SCR_ATN 0x00000008
/*-----------------------------------------------------------
**
** Memory to memory move
@ -380,10 +387,19 @@ struct scr_tblsel {
** << source_address >>
** << destination_address >>
**
** SCR_COPY sets the NO FLUSH option by default.
** SCR_COPY_F does not set this option.
**
** For chips which do not support this option,
** ncr_copy_and_bind() will remove this bit.
**-----------------------------------------------------------
*/
#define SCR_COPY(n) (0xc0000000 | (n))
#define SCR_NO_FLUSH 0x01000000
#define SCR_COPY(n) (0xc0000000 | SCR_NO_FLUSH | (n))
#define SCR_COPY_F(n) (0xc0000000 | (n))
/*-----------------------------------------------------------
**
@ -489,6 +505,7 @@ struct scr_tblsel {
**-----------------------------------------------------------
*/
#define SCR_NO_OP 0x80000000
#define SCR_JUMP 0x80080000
#define SCR_JUMPR 0x80880000
#define SCR_CALL 0x88080000
@ -563,4 +580,31 @@ struct scr_tblsel {
#define S_ILLEGAL (0xff)
#define S_SENSE (0x80)
/*
** Bits defining chip features.
** For now only some of them are used, since we explicitely
** deal with PCI device id and revision id.
*/
#define FE_LED0 (1<<0)
#define FE_WIDE (1<<1)
#define FE_ULTRA (1<<2)
#define FE_ULTRA2 (1<<3)
#define FE_DBLR (1<<4)
#define FE_QUAD (1<<5)
#define FE_ERL (1<<6)
#define FE_CLSE (1<<7)
#define FE_WRIE (1<<8)
#define FE_ERMP (1<<9)
#define FE_BOF (1<<10)
#define FE_DFS (1<<11)
#define FE_PFEN (1<<12)
#define FE_LDSTR (1<<13)
#define FE_RAM (1<<14)
#define FE_CLK80 (1<<15)
#define FE_DIFF (1<<16)
#define FE_BIOS (1<<17)
#define FE_CACHE_SET (FE_ERL|FE_CLSE|FE_WRIE|FE_ERMP)
#define FE_SCSI_SET (FE_WIDE|FE_ULTRA|FE_ULTRA2|FE_DBLR|FE_QUAD|F_CLK80)
#define FE_SPECIAL_SET (FE_CACHE_SET|FE_BOF|FE_DFS|FE_LDSTR|FE_PFEN|FE_RAM)
#endif /*__NCR_REG_H__*/