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| -rw-r--r-- | drivers/scsi/sym53c8xx_2/sym_defs.h | 779 |
1 files changed, 779 insertions, 0 deletions
diff --git a/drivers/scsi/sym53c8xx_2/sym_defs.h b/drivers/scsi/sym53c8xx_2/sym_defs.h new file mode 100644 index 000000000..317289ee0 --- /dev/null +++ b/drivers/scsi/sym53c8xx_2/sym_defs.h @@ -0,0 +1,779 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Device driver for the SYMBIOS/LSILOGIC 53C8XX and 53C1010 family + * of PCI-SCSI IO processors. + * + * Copyright (C) 1999-2001 Gerard Roudier <groudier@free.fr> + * + * This driver is derived from the Linux sym53c8xx driver. + * Copyright (C) 1998-2000 Gerard Roudier + * + * The sym53c8xx driver is derived from the ncr53c8xx driver that had been + * a port of the FreeBSD ncr driver to Linux-1.2.13. + * + * The original ncr driver has been written for 386bsd and FreeBSD by + * Wolfgang Stanglmeier <wolf@cologne.de> + * Stefan Esser <se@mi.Uni-Koeln.de> + * Copyright (C) 1994 Wolfgang Stanglmeier + * + * Other major contributions: + * + * NVRAM detection and reading. + * Copyright (C) 1997 Richard Waltham <dormouse@farsrobt.demon.co.uk> + * + *----------------------------------------------------------------------------- + */ + +#ifndef SYM_DEFS_H +#define SYM_DEFS_H + +#define SYM_VERSION "2.2.3" +#define SYM_DRIVER_NAME "sym-" SYM_VERSION + +/* + * SYM53C8XX device features descriptor. + */ +struct sym_chip { + u_short device_id; + u_short revision_id; + char *name; + u_char burst_max; /* log-base-2 of max burst */ + u_char offset_max; + u_char nr_divisor; + u_char lp_probe_bit; + u_int features; +#define FE_LED0 (1<<0) +#define FE_WIDE (1<<1) /* Wide data transfers */ +#define FE_ULTRA (1<<2) /* Ultra speed 20Mtrans/sec */ +#define FE_ULTRA2 (1<<3) /* Ultra 2 - 40 Mtrans/sec */ +#define FE_DBLR (1<<4) /* Clock doubler present */ +#define FE_QUAD (1<<5) /* Clock quadrupler present */ +#define FE_ERL (1<<6) /* Enable read line */ +#define FE_CLSE (1<<7) /* Cache line size enable */ +#define FE_WRIE (1<<8) /* Write & Invalidate enable */ +#define FE_ERMP (1<<9) /* Enable read multiple */ +#define FE_BOF (1<<10) /* Burst opcode fetch */ +#define FE_DFS (1<<11) /* DMA fifo size */ +#define FE_PFEN (1<<12) /* Prefetch enable */ +#define FE_LDSTR (1<<13) /* Load/Store supported */ +#define FE_RAM (1<<14) /* On chip RAM present */ +#define FE_VARCLK (1<<15) /* Clock frequency may vary */ +#define FE_RAM8K (1<<16) /* On chip RAM sized 8Kb */ +#define FE_64BIT (1<<17) /* 64-bit PCI BUS interface */ +#define FE_IO256 (1<<18) /* Requires full 256 bytes in PCI space */ +#define FE_NOPM (1<<19) /* Scripts handles phase mismatch */ +#define FE_LEDC (1<<20) /* Hardware control of LED */ +#define FE_ULTRA3 (1<<21) /* Ultra 3 - 80 Mtrans/sec DT */ +#define FE_66MHZ (1<<22) /* 66MHz PCI support */ +#define FE_CRC (1<<23) /* CRC support */ +#define FE_DIFF (1<<24) /* SCSI HVD support */ +#define FE_DFBC (1<<25) /* Have DFBC register */ +#define FE_LCKFRQ (1<<26) /* Have LCKFRQ */ +#define FE_C10 (1<<27) /* Various C10 core (mis)features */ +#define FE_U3EN (1<<28) /* U3EN bit usable */ +#define FE_DAC (1<<29) /* Support PCI DAC (64 bit addressing) */ +#define FE_ISTAT1 (1<<30) /* Have ISTAT1, MBOX0, MBOX1 registers */ + +#define FE_CACHE_SET (FE_ERL|FE_CLSE|FE_WRIE|FE_ERMP) +#define FE_CACHE0_SET (FE_CACHE_SET & ~FE_ERL) +}; + +/* + * SYM53C8XX IO register data structure. + */ +struct sym_reg { +/*00*/ u8 nc_scntl0; /* full arb., ena parity, par->ATN */ + +/*01*/ u8 nc_scntl1; /* no reset */ + #define ISCON 0x10 /* connected to scsi */ + #define CRST 0x08 /* force reset */ + #define IARB 0x02 /* immediate arbitration */ + +/*02*/ u8 nc_scntl2; /* no disconnect expected */ + #define SDU 0x80 /* cmd: disconnect will raise error */ + #define CHM 0x40 /* sta: chained mode */ + #define WSS 0x08 /* sta: wide scsi send [W]*/ + #define WSR 0x01 /* sta: wide scsi received [W]*/ + +/*03*/ u8 nc_scntl3; /* cnf system clock dependent */ + #define EWS 0x08 /* cmd: enable wide scsi [W]*/ + #define ULTRA 0x80 /* cmd: ULTRA enable */ + /* bits 0-2, 7 rsvd for C1010 */ + +/*04*/ u8 nc_scid; /* cnf host adapter scsi address */ + #define RRE 0x40 /* r/w:e enable response to resel. */ + #define SRE 0x20 /* r/w:e enable response to select */ + +/*05*/ u8 nc_sxfer; /* ### Sync speed and count */ + /* bits 6-7 rsvd for C1010 */ + +/*06*/ u8 nc_sdid; /* ### Destination-ID */ + +/*07*/ u8 nc_gpreg; /* ??? IO-Pins */ + +/*08*/ u8 nc_sfbr; /* ### First byte received */ + +/*09*/ u8 nc_socl; + #define CREQ 0x80 /* r/w: SCSI-REQ */ + #define CACK 0x40 /* r/w: SCSI-ACK */ + #define CBSY 0x20 /* r/w: SCSI-BSY */ + #define CSEL 0x10 /* r/w: SCSI-SEL */ + #define CATN 0x08 /* r/w: SCSI-ATN */ + #define CMSG 0x04 /* r/w: SCSI-MSG */ + #define CC_D 0x02 /* r/w: SCSI-C_D */ + #define CI_O 0x01 /* r/w: SCSI-I_O */ + +/*0a*/ u8 nc_ssid; + +/*0b*/ u8 nc_sbcl; + +/*0c*/ u8 nc_dstat; + #define DFE 0x80 /* sta: dma fifo empty */ + #define MDPE 0x40 /* int: master data parity error */ + #define BF 0x20 /* int: script: bus fault */ + #define ABRT 0x10 /* int: script: command aborted */ + #define SSI 0x08 /* int: script: single step */ + #define SIR 0x04 /* int: script: interrupt instruct. */ + #define IID 0x01 /* int: script: illegal instruct. */ + +/*0d*/ u8 nc_sstat0; + #define ILF 0x80 /* sta: data in SIDL register lsb */ + #define ORF 0x40 /* sta: data in SODR register lsb */ + #define OLF 0x20 /* sta: data in SODL register lsb */ + #define AIP 0x10 /* sta: arbitration in progress */ + #define LOA 0x08 /* sta: arbitration lost */ + #define WOA 0x04 /* sta: arbitration won */ + #define IRST 0x02 /* sta: scsi reset signal */ + #define SDP 0x01 /* sta: scsi parity signal */ + +/*0e*/ u8 nc_sstat1; + #define FF3210 0xf0 /* sta: bytes in the scsi fifo */ + +/*0f*/ u8 nc_sstat2; + #define ILF1 0x80 /* sta: data in SIDL register msb[W]*/ + #define ORF1 0x40 /* sta: data in SODR register msb[W]*/ + #define OLF1 0x20 /* sta: data in SODL register msb[W]*/ + #define DM 0x04 /* sta: DIFFSENS mismatch (895/6 only) */ + #define LDSC 0x02 /* sta: disconnect & reconnect */ + +/*10*/ u8 nc_dsa; /* --> Base page */ +/*11*/ u8 nc_dsa1; +/*12*/ u8 nc_dsa2; +/*13*/ u8 nc_dsa3; + +/*14*/ u8 nc_istat; /* --> Main Command and status */ + #define CABRT 0x80 /* cmd: abort current operation */ + #define SRST 0x40 /* mod: reset chip */ + #define SIGP 0x20 /* r/w: message from host to script */ + #define SEM 0x10 /* r/w: message between host + script */ + #define CON 0x08 /* sta: connected to scsi */ + #define INTF 0x04 /* sta: int on the fly (reset by wr)*/ + #define SIP 0x02 /* sta: scsi-interrupt */ + #define DIP 0x01 /* sta: host/script interrupt */ + +/*15*/ u8 nc_istat1; /* 896 only */ + #define FLSH 0x04 /* sta: chip is flushing */ + #define SCRUN 0x02 /* sta: scripts are running */ + #define SIRQD 0x01 /* r/w: disable INT pin */ + +/*16*/ u8 nc_mbox0; /* 896 only */ +/*17*/ u8 nc_mbox1; /* 896 only */ + +/*18*/ u8 nc_ctest0; +/*19*/ u8 nc_ctest1; + +/*1a*/ u8 nc_ctest2; + #define CSIGP 0x40 + /* bits 0-2,7 rsvd for C1010 */ + +/*1b*/ u8 nc_ctest3; + #define FLF 0x08 /* cmd: flush dma fifo */ + #define CLF 0x04 /* cmd: clear dma fifo */ + #define FM 0x02 /* mod: fetch pin mode */ + #define WRIE 0x01 /* mod: write and invalidate enable */ + /* bits 4-7 rsvd for C1010 */ + +/*1c*/ u32 nc_temp; /* ### Temporary stack */ + +/*20*/ u8 nc_dfifo; +/*21*/ u8 nc_ctest4; + #define BDIS 0x80 /* mod: burst disable */ + #define MPEE 0x08 /* mod: master parity error enable */ + +/*22*/ u8 nc_ctest5; + #define DFS 0x20 /* mod: dma fifo size */ + /* bits 0-1, 3-7 rsvd for C1010 */ + +/*23*/ u8 nc_ctest6; + +/*24*/ u32 nc_dbc; /* ### Byte count and command */ +/*28*/ u32 nc_dnad; /* ### Next command register */ +/*2c*/ u32 nc_dsp; /* --> Script Pointer */ +/*30*/ u32 nc_dsps; /* --> Script pointer save/opcode#2 */ + +/*34*/ u8 nc_scratcha; /* Temporary register a */ +/*35*/ u8 nc_scratcha1; +/*36*/ u8 nc_scratcha2; +/*37*/ u8 nc_scratcha3; + +/*38*/ u8 nc_dmode; + #define BL_2 0x80 /* mod: burst length shift value +2 */ + #define BL_1 0x40 /* mod: burst length shift value +1 */ + #define ERL 0x08 /* mod: enable read line */ + #define ERMP 0x04 /* mod: enable read multiple */ + #define BOF 0x02 /* mod: burst op code fetch */ + +/*39*/ u8 nc_dien; +/*3a*/ u8 nc_sbr; + +/*3b*/ u8 nc_dcntl; /* --> Script execution control */ + #define CLSE 0x80 /* mod: cache line size enable */ + #define PFF 0x40 /* cmd: pre-fetch flush */ + #define PFEN 0x20 /* mod: pre-fetch enable */ + #define SSM 0x10 /* mod: single step mode */ + #define IRQM 0x08 /* mod: irq mode (1 = totem pole !) */ + #define STD 0x04 /* cmd: start dma mode */ + #define IRQD 0x02 /* mod: irq disable */ + #define NOCOM 0x01 /* cmd: protect sfbr while reselect */ + /* bits 0-1 rsvd for C1010 */ + +/*3c*/ u32 nc_adder; + +/*40*/ u16 nc_sien; /* -->: interrupt enable */ +/*42*/ u16 nc_sist; /* <--: interrupt status */ + #define SBMC 0x1000/* sta: SCSI Bus Mode Change (895/6 only) */ + #define STO 0x0400/* sta: timeout (select) */ + #define GEN 0x0200/* sta: timeout (general) */ + #define HTH 0x0100/* sta: timeout (handshake) */ + #define MA 0x80 /* sta: phase mismatch */ + #define CMP 0x40 /* sta: arbitration complete */ + #define SEL 0x20 /* sta: selected by another device */ + #define RSL 0x10 /* sta: reselected by another device*/ + #define SGE 0x08 /* sta: gross error (over/underflow)*/ + #define UDC 0x04 /* sta: unexpected disconnect */ + #define RST 0x02 /* sta: scsi bus reset detected */ + #define PAR 0x01 /* sta: scsi parity error */ + +/*44*/ u8 nc_slpar; +/*45*/ u8 nc_swide; +/*46*/ u8 nc_macntl; +/*47*/ u8 nc_gpcntl; +/*48*/ u8 nc_stime0; /* cmd: timeout for select&handshake*/ +/*49*/ u8 nc_stime1; /* cmd: timeout user defined */ +/*4a*/ u16 nc_respid; /* sta: Reselect-IDs */ + +/*4c*/ u8 nc_stest0; + +/*4d*/ u8 nc_stest1; + #define SCLK 0x80 /* Use the PCI clock as SCSI clock */ + #define DBLEN 0x08 /* clock doubler running */ + #define DBLSEL 0x04 /* clock doubler selected */ + + +/*4e*/ u8 nc_stest2; + #define ROF 0x40 /* reset scsi offset (after gross error!) */ + #define EXT 0x02 /* extended filtering */ + +/*4f*/ u8 nc_stest3; + #define TE 0x80 /* c: tolerAnt enable */ + #define HSC 0x20 /* c: Halt SCSI Clock */ + #define CSF 0x02 /* c: clear scsi fifo */ + +/*50*/ u16 nc_sidl; /* Lowlevel: latched from scsi data */ +/*52*/ u8 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) */ + /* bits 0-5 rsvd for C1010 */ + +/*53*/ u8 nc_53_; +/*54*/ u16 nc_sodl; /* Lowlevel: data out to scsi data */ +/*56*/ u8 nc_ccntl0; /* Chip Control 0 (896) */ + #define ENPMJ 0x80 /* Enable Phase Mismatch Jump */ + #define PMJCTL 0x40 /* Phase Mismatch Jump Control */ + #define ENNDJ 0x20 /* Enable Non Data PM Jump */ + #define DISFC 0x10 /* Disable Auto FIFO Clear */ + #define DILS 0x02 /* Disable Internal Load/Store */ + #define DPR 0x01 /* Disable Pipe Req */ + +/*57*/ u8 nc_ccntl1; /* Chip Control 1 (896) */ + #define ZMOD 0x80 /* High Impedance Mode */ + #define DDAC 0x08 /* Disable Dual Address Cycle */ + #define XTIMOD 0x04 /* 64-bit Table Ind. Indexing Mode */ + #define EXTIBMV 0x02 /* Enable 64-bit Table Ind. BMOV */ + #define EXDBMV 0x01 /* Enable 64-bit Direct BMOV */ + +/*58*/ u16 nc_sbdl; /* Lowlevel: data from scsi data */ +/*5a*/ u16 nc_5a_; + +/*5c*/ u8 nc_scr0; /* Working register B */ +/*5d*/ u8 nc_scr1; +/*5e*/ u8 nc_scr2; +/*5f*/ u8 nc_scr3; + +/*60*/ u8 nc_scrx[64]; /* Working register C-R */ +/*a0*/ u32 nc_mmrs; /* Memory Move Read Selector */ +/*a4*/ u32 nc_mmws; /* Memory Move Write Selector */ +/*a8*/ u32 nc_sfs; /* Script Fetch Selector */ +/*ac*/ u32 nc_drs; /* DSA Relative Selector */ +/*b0*/ u32 nc_sbms; /* Static Block Move Selector */ +/*b4*/ u32 nc_dbms; /* Dynamic Block Move Selector */ +/*b8*/ u32 nc_dnad64; /* DMA Next Address 64 */ +/*bc*/ u16 nc_scntl4; /* C1010 only */ + #define U3EN 0x80 /* Enable Ultra 3 */ + #define AIPCKEN 0x40 /* AIP checking enable */ + /* Also enable AIP generation on C10-33*/ + #define XCLKH_DT 0x08 /* Extra clock of data hold on DT edge */ + #define XCLKH_ST 0x04 /* Extra clock of data hold on ST edge */ + #define XCLKS_DT 0x02 /* Extra clock of data set on DT edge */ + #define XCLKS_ST 0x01 /* Extra clock of data set on ST edge */ +/*be*/ u8 nc_aipcntl0; /* AIP Control 0 C1010 only */ +/*bf*/ u8 nc_aipcntl1; /* AIP Control 1 C1010 only */ + #define DISAIP 0x08 /* Disable AIP generation C10-66 only */ +/*c0*/ u32 nc_pmjad1; /* Phase Mismatch Jump Address 1 */ +/*c4*/ u32 nc_pmjad2; /* Phase Mismatch Jump Address 2 */ +/*c8*/ u8 nc_rbc; /* Remaining Byte Count */ +/*c9*/ u8 nc_rbc1; +/*ca*/ u8 nc_rbc2; +/*cb*/ u8 nc_rbc3; + +/*cc*/ u8 nc_ua; /* Updated Address */ +/*cd*/ u8 nc_ua1; +/*ce*/ u8 nc_ua2; +/*cf*/ u8 nc_ua3; +/*d0*/ u32 nc_esa; /* Entry Storage Address */ +/*d4*/ u8 nc_ia; /* Instruction Address */ +/*d5*/ u8 nc_ia1; +/*d6*/ u8 nc_ia2; +/*d7*/ u8 nc_ia3; +/*d8*/ u32 nc_sbc; /* SCSI Byte Count (3 bytes only) */ +/*dc*/ u32 nc_csbc; /* Cumulative SCSI Byte Count */ + /* Following for C1010 only */ +/*e0*/ u16 nc_crcpad; /* CRC Value */ +/*e2*/ u8 nc_crccntl0; /* CRC control register */ + #define SNDCRC 0x10 /* Send CRC Request */ +/*e3*/ u8 nc_crccntl1; /* CRC control register */ +/*e4*/ u32 nc_crcdata; /* CRC data register */ +/*e8*/ u32 nc_e8_; +/*ec*/ u32 nc_ec_; +/*f0*/ u16 nc_dfbc; /* DMA FIFO byte count */ +}; + +/*----------------------------------------------------------- + * + * Utility macros for the script. + * + *----------------------------------------------------------- + */ + +#define REGJ(p,r) (offsetof(struct sym_reg, p ## r)) +#define REG(r) REGJ (nc_, r) + +/*----------------------------------------------------------- + * + * SCSI phases + * + *----------------------------------------------------------- + */ + +#define SCR_DATA_OUT 0x00000000 +#define SCR_DATA_IN 0x01000000 +#define SCR_COMMAND 0x02000000 +#define SCR_STATUS 0x03000000 +#define SCR_DT_DATA_OUT 0x04000000 +#define SCR_DT_DATA_IN 0x05000000 +#define SCR_MSG_OUT 0x06000000 +#define SCR_MSG_IN 0x07000000 +/* DT phases are illegal for non Ultra3 mode */ +#define SCR_ILG_OUT 0x04000000 +#define SCR_ILG_IN 0x05000000 + +/*----------------------------------------------------------- + * + * Data transfer via SCSI. + * + *----------------------------------------------------------- + * + * MOVE_ABS (LEN) + * <<start address>> + * + * MOVE_IND (LEN) + * <<dnad_offset>> + * + * MOVE_TBL + * <<dnad_offset>> + * + *----------------------------------------------------------- + */ + +#define OPC_MOVE 0x08000000 + +#define SCR_MOVE_ABS(l) ((0x00000000 | OPC_MOVE) | (l)) +/* #define SCR_MOVE_IND(l) ((0x20000000 | OPC_MOVE) | (l)) */ +#define SCR_MOVE_TBL (0x10000000 | OPC_MOVE) + +#define SCR_CHMOV_ABS(l) ((0x00000000) | (l)) +/* #define SCR_CHMOV_IND(l) ((0x20000000) | (l)) */ +#define SCR_CHMOV_TBL (0x10000000) + +#ifdef SYM_CONF_TARGET_ROLE_SUPPORT +/* We steal the `indirect addressing' flag for target mode MOVE in scripts */ + +#define OPC_TCHMOVE 0x08000000 + +#define SCR_TCHMOVE_ABS(l) ((0x20000000 | OPC_TCHMOVE) | (l)) +#define SCR_TCHMOVE_TBL (0x30000000 | OPC_TCHMOVE) + +#define SCR_TMOV_ABS(l) ((0x20000000) | (l)) +#define SCR_TMOV_TBL (0x30000000) +#endif + +struct sym_tblmove { + u32 size; + u32 addr; +}; + +/*----------------------------------------------------------- + * + * Selection + * + *----------------------------------------------------------- + * + * SEL_ABS | SCR_ID (0..15) [ | REL_JMP] + * <<alternate_address>> + * + * SEL_TBL | << dnad_offset>> [ | REL_JMP] + * <<alternate_address>> + * + *----------------------------------------------------------- + */ + +#define SCR_SEL_ABS 0x40000000 +#define SCR_SEL_ABS_ATN 0x41000000 +#define SCR_SEL_TBL 0x42000000 +#define SCR_SEL_TBL_ATN 0x43000000 + +#ifdef SYM_CONF_TARGET_ROLE_SUPPORT +#define SCR_RESEL_ABS 0x40000000 +#define SCR_RESEL_ABS_ATN 0x41000000 +#define SCR_RESEL_TBL 0x42000000 +#define SCR_RESEL_TBL_ATN 0x43000000 +#endif + +struct sym_tblsel { + u_char sel_scntl4; /* C1010 only */ + u_char sel_sxfer; + u_char sel_id; + u_char sel_scntl3; +}; + +#define SCR_JMP_REL 0x04000000 +#define SCR_ID(id) (((u32)(id)) << 16) + +/*----------------------------------------------------------- + * + * Waiting for Disconnect or Reselect + * + *----------------------------------------------------------- + * + * WAIT_DISC + * dummy: <<alternate_address>> + * + * WAIT_RESEL + * <<alternate_address>> + * + *----------------------------------------------------------- + */ + +#define SCR_WAIT_DISC 0x48000000 +#define SCR_WAIT_RESEL 0x50000000 + +#ifdef SYM_CONF_TARGET_ROLE_SUPPORT +#define SCR_DISCONNECT 0x48000000 +#endif + +/*----------------------------------------------------------- + * + * Bit Set / Reset + * + *----------------------------------------------------------- + * + * SET (flags {|.. }) + * + * CLR (flags {|.. }) + * + *----------------------------------------------------------- + */ + +#define SCR_SET(f) (0x58000000 | (f)) +#define SCR_CLR(f) (0x60000000 | (f)) + +#define SCR_CARRY 0x00000400 +#define SCR_TRG 0x00000200 +#define SCR_ACK 0x00000040 +#define SCR_ATN 0x00000008 + + +/*----------------------------------------------------------- + * + * Memory to memory move + * + *----------------------------------------------------------- + * + * COPY (bytecount) + * << 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, + * sym_fw_bind_script() will remove this bit. + * + *----------------------------------------------------------- + */ + +#define SCR_NO_FLUSH 0x01000000 + +#define SCR_COPY(n) (0xc0000000 | SCR_NO_FLUSH | (n)) +#define SCR_COPY_F(n) (0xc0000000 | (n)) + +/*----------------------------------------------------------- + * + * Register move and binary operations + * + *----------------------------------------------------------- + * + * SFBR_REG (reg, op, data) reg = SFBR op data + * << 0 >> + * + * REG_SFBR (reg, op, data) SFBR = reg op data + * << 0 >> + * + * REG_REG (reg, op, data) reg = reg op data + * << 0 >> + * + *----------------------------------------------------------- + * + * On 825A, 875, 895 and 896 chips the content + * of SFBR register can be used as data (SCR_SFBR_DATA). + * The 896 has additionnal IO registers starting at + * offset 0x80. Bit 7 of register offset is stored in + * bit 7 of the SCRIPTS instruction first DWORD. + * + *----------------------------------------------------------- + */ + +#define SCR_REG_OFS(ofs) ((((ofs) & 0x7f) << 16ul) + ((ofs) & 0x80)) + +#define SCR_SFBR_REG(reg,op,data) \ + (0x68000000 | (SCR_REG_OFS(REG(reg))) | (op) | (((data)&0xff)<<8ul)) + +#define SCR_REG_SFBR(reg,op,data) \ + (0x70000000 | (SCR_REG_OFS(REG(reg))) | (op) | (((data)&0xff)<<8ul)) + +#define SCR_REG_REG(reg,op,data) \ + (0x78000000 | (SCR_REG_OFS(REG(reg))) | (op) | (((data)&0xff)<<8ul)) + + +#define SCR_LOAD 0x00000000 +#define SCR_SHL 0x01000000 +#define SCR_OR 0x02000000 +#define SCR_XOR 0x03000000 +#define SCR_AND 0x04000000 +#define SCR_SHR 0x05000000 +#define SCR_ADD 0x06000000 +#define SCR_ADDC 0x07000000 + +#define SCR_SFBR_DATA (0x00800000>>8ul) /* Use SFBR as data */ + +/*----------------------------------------------------------- + * + * FROM_REG (reg) SFBR = reg + * << 0 >> + * + * TO_REG (reg) reg = SFBR + * << 0 >> + * + * LOAD_REG (reg, data) reg = <data> + * << 0 >> + * + * LOAD_SFBR(data) SFBR = <data> + * << 0 >> + * + *----------------------------------------------------------- + */ + +#define SCR_FROM_REG(reg) \ + SCR_REG_SFBR(reg,SCR_OR,0) + +#define SCR_TO_REG(reg) \ + SCR_SFBR_REG(reg,SCR_OR,0) + +#define SCR_LOAD_REG(reg,data) \ + SCR_REG_REG(reg,SCR_LOAD,data) + +#define SCR_LOAD_SFBR(data) \ + (SCR_REG_SFBR (gpreg, SCR_LOAD, data)) + +/*----------------------------------------------------------- + * + * LOAD from memory to register. + * STORE from register to memory. + * + * Only supported by 810A, 860, 825A, 875, 895 and 896. + * + *----------------------------------------------------------- + * + * LOAD_ABS (LEN) + * <<start address>> + * + * LOAD_REL (LEN) (DSA relative) + * <<dsa_offset>> + * + *----------------------------------------------------------- + */ + +#define SCR_REG_OFS2(ofs) (((ofs) & 0xff) << 16ul) +#define SCR_NO_FLUSH2 0x02000000 +#define SCR_DSA_REL2 0x10000000 + +#define SCR_LOAD_R(reg, how, n) \ + (0xe1000000 | how | (SCR_REG_OFS2(REG(reg))) | (n)) + +#define SCR_STORE_R(reg, how, n) \ + (0xe0000000 | how | (SCR_REG_OFS2(REG(reg))) | (n)) + +#define SCR_LOAD_ABS(reg, n) SCR_LOAD_R(reg, SCR_NO_FLUSH2, n) +#define SCR_LOAD_REL(reg, n) SCR_LOAD_R(reg, SCR_NO_FLUSH2|SCR_DSA_REL2, n) +#define SCR_LOAD_ABS_F(reg, n) SCR_LOAD_R(reg, 0, n) +#define SCR_LOAD_REL_F(reg, n) SCR_LOAD_R(reg, SCR_DSA_REL2, n) + +#define SCR_STORE_ABS(reg, n) SCR_STORE_R(reg, SCR_NO_FLUSH2, n) +#define SCR_STORE_REL(reg, n) SCR_STORE_R(reg, SCR_NO_FLUSH2|SCR_DSA_REL2,n) +#define SCR_STORE_ABS_F(reg, n) SCR_STORE_R(reg, 0, n) +#define SCR_STORE_REL_F(reg, n) SCR_STORE_R(reg, SCR_DSA_REL2, n) + + +/*----------------------------------------------------------- + * + * Waiting for Disconnect or Reselect + * + *----------------------------------------------------------- + * + * JUMP [ | IFTRUE/IFFALSE ( ... ) ] + * <<address>> + * + * JUMPR [ | IFTRUE/IFFALSE ( ... ) ] + * <<distance>> + * + * CALL [ | IFTRUE/IFFALSE ( ... ) ] + * <<address>> + * + * CALLR [ | IFTRUE/IFFALSE ( ... ) ] + * <<distance>> + * + * RETURN [ | IFTRUE/IFFALSE ( ... ) ] + * <<dummy>> + * + * INT [ | IFTRUE/IFFALSE ( ... ) ] + * <<ident>> + * + * INT_FLY [ | IFTRUE/IFFALSE ( ... ) ] + * <<ident>> + * + * Conditions: + * WHEN (phase) + * IF (phase) + * CARRYSET + * DATA (data, mask) + * + *----------------------------------------------------------- + */ + +#define SCR_NO_OP 0x80000000 +#define SCR_JUMP 0x80080000 +#define SCR_JUMP64 0x80480000 +#define SCR_JUMPR 0x80880000 +#define SCR_CALL 0x88080000 +#define SCR_CALLR 0x88880000 +#define SCR_RETURN 0x90080000 +#define SCR_INT 0x98080000 +#define SCR_INT_FLY 0x98180000 + +#define IFFALSE(arg) (0x00080000 | (arg)) +#define IFTRUE(arg) (0x00000000 | (arg)) + +#define WHEN(phase) (0x00030000 | (phase)) +#define IF(phase) (0x00020000 | (phase)) + +#define DATA(D) (0x00040000 | ((D) & 0xff)) +#define MASK(D,M) (0x00040000 | (((M ^ 0xff) & 0xff) << 8ul)|((D) & 0xff)) + +#define CARRYSET (0x00200000) + +/*----------------------------------------------------------- + * + * SCSI constants. + * + *----------------------------------------------------------- + */ + +/* + * Messages + */ + +#define M_COMPLETE COMMAND_COMPLETE +#define M_EXTENDED EXTENDED_MESSAGE +#define M_SAVE_DP SAVE_POINTERS +#define M_RESTORE_DP RESTORE_POINTERS +#define M_DISCONNECT DISCONNECT +#define M_ID_ERROR INITIATOR_ERROR +#define M_ABORT ABORT_TASK_SET +#define M_REJECT MESSAGE_REJECT +#define M_NOOP NOP +#define M_PARITY MSG_PARITY_ERROR +#define M_LCOMPLETE LINKED_CMD_COMPLETE +#define M_FCOMPLETE LINKED_FLG_CMD_COMPLETE +#define M_RESET TARGET_RESET +#define M_ABORT_TAG ABORT_TASK +#define M_CLEAR_QUEUE CLEAR_TASK_SET +#define M_INIT_REC INITIATE_RECOVERY +#define M_REL_REC RELEASE_RECOVERY +#define M_TERMINATE (0x11) +#define M_SIMPLE_TAG SIMPLE_QUEUE_TAG +#define M_HEAD_TAG HEAD_OF_QUEUE_TAG +#define M_ORDERED_TAG ORDERED_QUEUE_TAG +#define M_IGN_RESIDUE IGNORE_WIDE_RESIDUE + +#define M_X_MODIFY_DP EXTENDED_MODIFY_DATA_POINTER +#define M_X_SYNC_REQ EXTENDED_SDTR +#define M_X_WIDE_REQ EXTENDED_WDTR +#define M_X_PPR_REQ EXTENDED_PPR + +/* + * PPR protocol options + */ +#define PPR_OPT_IU (0x01) +#define PPR_OPT_DT (0x02) +#define PPR_OPT_QAS (0x04) +#define PPR_OPT_MASK (0x07) + +/* + * Status + */ + +#define S_GOOD SAM_STAT_GOOD +#define S_CHECK_COND SAM_STAT_CHECK_CONDITION +#define S_COND_MET SAM_STAT_CONDITION_MET +#define S_BUSY SAM_STAT_BUSY +#define S_INT SAM_STAT_INTERMEDIATE +#define S_INT_COND_MET SAM_STAT_INTERMEDIATE_CONDITION_MET +#define S_CONFLICT SAM_STAT_RESERVATION_CONFLICT +#define S_TERMINATED SAM_STAT_COMMAND_TERMINATED +#define S_QUEUE_FULL SAM_STAT_TASK_SET_FULL +#define S_ILLEGAL (0xff) + +#endif /* defined SYM_DEFS_H */ |