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ispreg.h revision 1.14
      1 /* $NetBSD: ispreg.h,v 1.14 1999/03/26 22:39:45 mjacob Exp $ */
      2 /* release_03_25_99 */
      3 /*
      4  * Machine Independent (well, as best as possible) register
      5  * definitions for Qlogic ISP SCSI adapters.
      6  *
      7  * Copyright (c) 1997, 1998, 1999 by Matthew Jacob
      8  * NASA/Ames Research Center
      9  * All rights reserved.
     10  *
     11  * Redistribution and use in source and binary forms, with or without
     12  * modification, are permitted provided that the following conditions
     13  * are met:
     14  * 1. Redistributions of source code must retain the above copyright
     15  *    notice immediately at the beginning of the file, without modification,
     16  *    this list of conditions, and the following disclaimer.
     17  * 2. Redistributions in binary form must reproduce the above copyright
     18  *    notice, this list of conditions and the following disclaimer in the
     19  *    documentation and/or other materials provided with the distribution.
     20  * 3. The name of the author may not be used to endorse or promote products
     21  *    derived from this software without specific prior written permission.
     22  *
     23  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     26  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
     27  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33  * SUCH DAMAGE.
     34  */
     35 #ifndef	_ISPREG_H
     36 #define	_ISPREG_H
     37 
     38 /*
     39  * Hardware definitions for the Qlogic ISP  registers.
     40  */
     41 
     42 /*
     43  * This defines types of access to various registers.
     44  *
     45  *  	R:		Read Only
     46  *	W:		Write Only
     47  *	RW:		Read/Write
     48  *
     49  *	R*, W*, RW*:	Read Only, Write Only, Read/Write, but only
     50  *			if RISC processor in ISP is paused.
     51  */
     52 
     53 /*
     54  * Offsets for various register blocks.
     55  *
     56  * Sad but true, different architectures have different offsets.
     57  */
     58 
     59 #define	BIU_REGS_OFF			0x00
     60 
     61 #define	PCI_MBOX_REGS_OFF		0x70
     62 #define	PCI_MBOX_REGS2100_OFF		0x10
     63 #define	SBUS_MBOX_REGS_OFF		0x80
     64 
     65 #define	PCI_SXP_REGS_OFF		0x80
     66 #define	SBUS_SXP_REGS_OFF		0x200
     67 
     68 #define	PCI_RISC_REGS_OFF		0x80
     69 #define	SBUS_RISC_REGS_OFF		0x400
     70 
     71 /* Bless me! Chip designers have putzed it again! */
     72 #define	ISP1080_DMA_REGS_OFF		0x60
     73 #define	DMA_REGS_OFF			0x00	/* same as BIU block */
     74 
     75 /*
     76  * NB:	The *_BLOCK definitions have no specific hardware meaning.
     77  *	They serve simply to note to the MD layer which block of
     78  *	registers offsets are being accessed.
     79  */
     80 #define	_NREG_BLKS	5
     81 #define	_BLK_REG_SHFT	13
     82 #define	_BLK_REG_MASK	(7 << _BLK_REG_SHFT)
     83 #define	BIU_BLOCK	(0 << _BLK_REG_SHFT)
     84 #define	MBOX_BLOCK	(1 << _BLK_REG_SHFT)
     85 #define	SXP_BLOCK	(2 << _BLK_REG_SHFT)
     86 #define	RISC_BLOCK	(3 << _BLK_REG_SHFT)
     87 #define	DMA_BLOCK	(4 << _BLK_REG_SHFT)
     88 
     89 /*
     90  * Bus Interface Block Register Offsets
     91  */
     92 
     93 #define	BIU_ID_LO	BIU_BLOCK+0x0	/* R  : Bus ID, Low */
     94 #define		BIU2100_FLASH_ADDR	BIU_BLOCK+0x0
     95 #define	BIU_ID_HI	BIU_BLOCK+0x2	/* R  : Bus ID, High */
     96 #define		BIU2100_FLASH_DATA	BIU_BLOCK+0x2
     97 #define	BIU_CONF0	BIU_BLOCK+0x4	/* R  : Bus Configuration #0 */
     98 #define	BIU_CONF1	BIU_BLOCK+0x6	/* R  : Bus Configuration #1 */
     99 #define		BIU2100_CSR		BIU_BLOCK+0x6
    100 #define	BIU_ICR		BIU_BLOCK+0x8	/* RW : Bus Interface Ctrl */
    101 #define	BIU_ISR		BIU_BLOCK+0xA	/* R  : Bus Interface Status */
    102 #define	BIU_SEMA	BIU_BLOCK+0xC	/* RW : Bus Semaphore */
    103 #define	BIU_NVRAM	BIU_BLOCK+0xE	/* RW : Bus NVRAM */
    104 #define	DFIFO_COMMAND	BIU_BLOCK+0x60	/* RW : Command FIFO Port */
    105 #define		RDMA2100_CONTROL	DFIFO_COMMAND
    106 #define	DFIFO_DATA	BIU_BLOCK+0x62	/* RW : Data FIFO Port */
    107 
    108 /*
    109  * Putzed DMA register layouts.
    110  */
    111 #define	CDMA_CONF	DMA_BLOCK+0x20	/* RW*: DMA Configuration */
    112 #define		CDMA2100_CONTROL	CDMA_CONF
    113 #define	CDMA_CONTROL	DMA_BLOCK+0x22	/* RW*: DMA Control */
    114 #define	CDMA_STATUS 	DMA_BLOCK+0x24	/* R  : DMA Status */
    115 #define	CDMA_FIFO_STS	DMA_BLOCK+0x26	/* R  : DMA FIFO Status */
    116 #define	CDMA_COUNT	DMA_BLOCK+0x28	/* RW*: DMA Transfer Count */
    117 #define	CDMA_ADDR0	DMA_BLOCK+0x2C	/* RW*: DMA Address, Word 0 */
    118 #define	CDMA_ADDR1	DMA_BLOCK+0x2E	/* RW*: DMA Address, Word 1 */
    119 #define	CDMA_ADDR2	DMA_BLOCK+0x30	/* RW*: DMA Address, Word 2 */
    120 #define	CDMA_ADDR3	DMA_BLOCK+0x32	/* RW*: DMA Address, Word 3 */
    121 
    122 #define	DDMA_CONF	DMA_BLOCK+0x40	/* RW*: DMA Configuration */
    123 #define		TDMA2100_CONTROL	DDMA_CONF
    124 #define	DDMA_CONTROL	DMA_BLOCK+0x42	/* RW*: DMA Control */
    125 #define	DDMA_STATUS	DMA_BLOCK+0x44	/* R  : DMA Status */
    126 #define	DDMA_FIFO_STS	DMA_BLOCK+0x46	/* R  : DMA FIFO Status */
    127 #define	DDMA_COUNT_LO	DMA_BLOCK+0x48	/* RW*: DMA Xfer Count, Low */
    128 #define	DDMA_COUNT_HI	DMA_BLOCK+0x4A	/* RW*: DMA Xfer Count, High */
    129 #define	DDMA_ADDR0	DMA_BLOCK+0x4C	/* RW*: DMA Address, Word 0 */
    130 #define	DDMA_ADDR1	DMA_BLOCK+0x4E	/* RW*: DMA Address, Word 1 */
    131 /* these are for the 1040A cards */
    132 #define	DDMA_ADDR2	DMA_BLOCK+0x50	/* RW*: DMA Address, Word 2 */
    133 #define	DDMA_ADDR3	DMA_BLOCK+0x52	/* RW*: DMA Address, Word 3 */
    134 
    135 
    136 /*
    137  * Bus Interface Block Register Definitions
    138  */
    139 /* BUS CONFIGURATION REGISTER #0 */
    140 #define	BIU_CONF0_HW_MASK		0x000F	/* Hardware revision mask */
    141 /* BUS CONFIGURATION REGISTER #1 */
    142 
    143 #define	BIU_SBUS_CONF1_PARITY		0x0100 	/* Enable parity checking */
    144 #define	BIU_SBUS_CONF1_FCODE_MASK	0x00F0	/* Fcode cycle mask */
    145 
    146 #define	BIU_PCI_CONF1_FIFO_128		0x0040	/* 128 bytes FIFO threshold */
    147 #define	BIU_PCI_CONF1_FIFO_64		0x0030	/* 64 bytes FIFO threshold */
    148 #define	BIU_PCI_CONF1_FIFO_32		0x0020	/* 32 bytes FIFO threshold */
    149 #define	BIU_PCI_CONF1_FIFO_16		0x0010	/* 16 bytes FIFO threshold */
    150 #define	BIU_BURST_ENABLE		0x0004	/* Global enable Bus bursts */
    151 #define	BIU_SBUS_CONF1_FIFO_64		0x0003	/* 64 bytes FIFO threshold */
    152 #define	BIU_SBUS_CONF1_FIFO_32		0x0002	/* 32 bytes FIFO threshold */
    153 #define	BIU_SBUS_CONF1_FIFO_16		0x0001	/* 16 bytes FIFO threshold */
    154 #define	BIU_SBUS_CONF1_FIFO_8		0x0000	/* 8 bytes FIFO threshold */
    155 #define	BIU_SBUS_CONF1_BURST8		0x0008 	/* Enable 8-byte  bursts */
    156 #define	BIU_PCI_CONF1_SXP		0x0008	/* SXP register select */
    157 
    158 #define	BIU_PCI1080_CONF1_SXP		0x0100	/* SXP bank select */
    159 #define	BIU_PCI1080_CONF1_DMA		0x0300	/* DMA bank select */
    160 
    161 /* ISP2100 Bus Control/Status Register */
    162 
    163 #define	BIU2100_ICSR_REGBSEL		0x30	/* RW: register bank select */
    164 #define		BIU2100_RISC_REGS	(0 << 4)	/* RISC Regs */
    165 #define		BIU2100_FB_REGS		(1 << 4)	/* FrameBuffer Regs */
    166 #define		BIU2100_FPM0_REGS	(2 << 4)	/* FPM 0 Regs */
    167 #define		BIU2100_FPM1_REGS	(3 << 4)	/* FPM 1 Regs */
    168 #define	BIU2100_PCI64			0x04	/*  R: 64 Bit PCI slot */
    169 #define	BIU2100_FLASH_ENABLE		0x02	/* RW: Enable Flash RAM */
    170 #define	BIU2100_SOFT_RESET		0x01
    171 /* SOFT RESET FOR ISP2100 is same bit, but in this register, not ICR */
    172 
    173 
    174 /* BUS CONTROL REGISTER */
    175 #define	BIU_ICR_ENABLE_DMA_INT		0x0020	/* Enable DMA interrupts */
    176 #define	BIU_ICR_ENABLE_CDMA_INT		0x0010	/* Enable CDMA interrupts */
    177 #define	BIU_ICR_ENABLE_SXP_INT		0x0008	/* Enable SXP interrupts */
    178 #define	BIU_ICR_ENABLE_RISC_INT		0x0004	/* Enable Risc interrupts */
    179 #define	BIU_ICR_ENABLE_ALL_INTS		0x0002	/* Global enable all inter */
    180 #define	BIU_ICR_SOFT_RESET		0x0001	/* Soft Reset of ISP */
    181 
    182 #define	BIU2100_ICR_ENABLE_ALL_INTS	0x8000
    183 #define	BIU2100_ICR_ENA_FPM_INT		0x0020
    184 #define	BIU2100_ICR_ENA_FB_INT		0x0010
    185 #define	BIU2100_ICR_ENA_RISC_INT	0x0008
    186 #define	BIU2100_ICR_ENA_CDMA_INT	0x0004
    187 #define	BIU2100_ICR_ENABLE_RXDMA_INT	0x0002
    188 #define	BIU2100_ICR_ENABLE_TXDMA_INT	0x0001
    189 #define	BIU2100_ICR_DISABLE_ALL_INTS	0x0000
    190 
    191 #define	ENABLE_INTS(isp)	(isp->isp_type & ISP_HA_SCSI)?  \
    192  ISP_WRITE(isp, BIU_ICR, BIU_ICR_ENABLE_RISC_INT | BIU_ICR_ENABLE_ALL_INTS) : \
    193  ISP_WRITE(isp, BIU_ICR, BIU2100_ICR_ENA_RISC_INT | BIU2100_ICR_ENABLE_ALL_INTS)
    194 
    195 #define	INTS_ENABLED(isp)	((isp->isp_type & ISP_HA_SCSI)?  \
    196  (ISP_READ(isp, BIU_ICR) & (BIU_ICR_ENABLE_RISC_INT|BIU_ICR_ENABLE_ALL_INTS)) :\
    197  (ISP_READ(isp, BIU_ICR) & \
    198 	(BIU2100_ICR_ENA_RISC_INT|BIU2100_ICR_ENABLE_ALL_INTS)))
    199 
    200 #define	DISABLE_INTS(isp)	ISP_WRITE(isp, BIU_ICR, 0)
    201 
    202 /* BUS STATUS REGISTER */
    203 #define	BIU_ISR_DMA_INT			0x0020	/* DMA interrupt pending */
    204 #define	BIU_ISR_CDMA_INT		0x0010	/* CDMA interrupt pending */
    205 #define	BIU_ISR_SXP_INT			0x0008	/* SXP interrupt pending */
    206 #define	BIU_ISR_RISC_INT		0x0004	/* Risc interrupt pending */
    207 #define	BIU_ISR_IPEND			0x0002	/* Global interrupt pending */
    208 
    209 #define	BIU2100_ISR_INT_PENDING		0x8000	/* Global interrupt pending */
    210 #define	BIU2100_ISR_FPM_INT		0x0020	/* FPM interrupt pending */
    211 #define	BIU2100_ISR_FB_INT		0x0010	/* FB interrupt pending */
    212 #define	BIU2100_ISR_RISC_INT		0x0008	/* Risc interrupt pending */
    213 #define	BIU2100_ISR_CDMA_INT		0x0004	/* CDMA interrupt pending */
    214 #define	BIU2100_ISR_RXDMA_INT_PENDING	0x0002	/* Global interrupt pending */
    215 #define	BIU2100_ISR_TXDMA_INT_PENDING	0x0001	/* Global interrupt pending */
    216 
    217 
    218 /* BUS SEMAPHORE REGISTER */
    219 #define	BIU_SEMA_STATUS		0x0002	/* Semaphore Status Bit */
    220 #define	BIU_SEMA_LOCK  		0x0001	/* Semaphore Lock Bit */
    221 
    222 /* NVRAM SEMAPHORE REGISTER */
    223 #define	BIU_NVRAM_CLOCK		0x0001
    224 #define	BIU_NVRAM_SELECT	0x0002
    225 #define	BIU_NVRAM_DATAOUT	0x0004
    226 #define	BIU_NVRAM_DATAIN	0x0008
    227 #define		ISP_NVRAM_READ		6
    228 
    229 /* COMNMAND && DATA DMA CONFIGURATION REGISTER */
    230 #define	DMA_ENABLE_SXP_DMA		0x0008	/* Enable SXP to DMA Data */
    231 #define	DMA_ENABLE_INTS			0x0004	/* Enable interrupts to RISC */
    232 #define	DMA_ENABLE_BURST		0x0002	/* Enable Bus burst trans */
    233 #define	DMA_DMA_DIRECTION		0x0001	/*
    234 						 * Set DMA direction:
    235 						 *	0 - DMA FIFO to host
    236 						 *	1 - Host to DMA FIFO
    237 						 */
    238 
    239 /* COMMAND && DATA DMA CONTROL REGISTER */
    240 #define	DMA_CNTRL_SUSPEND_CHAN		0x0010	/* Suspend DMA transfer */
    241 #define	DMA_CNTRL_CLEAR_CHAN		0x0008	/*
    242 						 * Clear FIFO and DMA Channel,
    243 						 * reset DMA registers
    244 						 */
    245 #define	DMA_CNTRL_CLEAR_FIFO		0x0004	/* Clear DMA FIFO */
    246 #define	DMA_CNTRL_RESET_INT		0x0002	/* Clear DMA interrupt */
    247 #define	DMA_CNTRL_STROBE		0x0001	/* Start DMA transfer */
    248 
    249 /*
    250  * Variants of same for 2100
    251  */
    252 #define	DMA_CNTRL2100_CLEAR_CHAN	0x0004
    253 #define	DMA_CNTRL2100_RESET_INT		0x0002
    254 
    255 
    256 
    257 /* DMA STATUS REGISTER */
    258 #define	DMA_SBUS_STATUS_PIPE_MASK	0x00C0	/* DMA Pipeline status mask */
    259 #define	DMA_SBUS_STATUS_CHAN_MASK	0x0030	/* Channel status mask */
    260 #define	DMA_SBUS_STATUS_BUS_PARITY	0x0008	/* Parity Error on bus */
    261 #define	DMA_SBUS_STATUS_BUS_ERR		0x0004	/* Error Detected on bus */
    262 #define	DMA_SBUS_STATUS_TERM_COUNT	0x0002	/* DMA Transfer Completed */
    263 #define	DMA_SBUS_STATUS_INTERRUPT	0x0001	/* Enable DMA channel inter */
    264 
    265 #define	DMA_PCI_STATUS_INTERRUPT	0x8000	/* Enable DMA channel inter */
    266 #define	DMA_PCI_STATUS_RETRY_STAT	0x4000	/* Retry status */
    267 #define	DMA_PCI_STATUS_CHAN_MASK	0x3000	/* Channel status mask */
    268 #define	DMA_PCI_STATUS_FIFO_OVR		0x0100	/* DMA FIFO overrun cond */
    269 #define	DMA_PCI_STATUS_FIFO_UDR		0x0080	/* DMA FIFO underrun cond */
    270 #define	DMA_PCI_STATUS_BUS_ERR		0x0040	/* Error Detected on bus */
    271 #define	DMA_PCI_STATUS_BUS_PARITY	0x0020	/* Parity Error on bus */
    272 #define	DMA_PCI_STATUS_CLR_PEND		0x0010	/* DMA clear pending */
    273 #define	DMA_PCI_STATUS_TERM_COUNT	0x0008	/* DMA Transfer Completed */
    274 #define	DMA_PCI_STATUS_DMA_SUSP		0x0004	/* DMA suspended */
    275 #define	DMA_PCI_STATUS_PIPE_MASK	0x0003	/* DMA Pipeline status mask */
    276 
    277 /* DMA Status Register, pipeline status bits */
    278 #define	DMA_SBUS_PIPE_FULL		0x00C0	/* Both pipeline stages full */
    279 #define	DMA_SBUS_PIPE_OVERRUN		0x0080	/* Pipeline overrun */
    280 #define	DMA_SBUS_PIPE_STAGE1		0x0040	/*
    281 						 * Pipeline stage 1 Loaded,
    282 						 * stage 2 empty
    283 						 */
    284 #define	DMA_PCI_PIPE_FULL		0x0003	/* Both pipeline stages full */
    285 #define	DMA_PCI_PIPE_OVERRUN		0x0002	/* Pipeline overrun */
    286 #define	DMA_PCI_PIPE_STAGE1		0x0001	/*
    287 						 * Pipeline stage 1 Loaded,
    288 						 * stage 2 empty
    289 						 */
    290 #define	DMA_PIPE_EMPTY			0x0000	/* All pipeline stages empty */
    291 
    292 /* DMA Status Register, channel status bits */
    293 #define	DMA_SBUS_CHAN_SUSPEND	0x0030	/* Channel error or suspended */
    294 #define	DMA_SBUS_CHAN_TRANSFER	0x0020	/* Chan transfer in progress */
    295 #define	DMA_SBUS_CHAN_ACTIVE	0x0010	/* Chan trans to host active */
    296 #define	DMA_PCI_CHAN_TRANSFER	0x3000	/* Chan transfer in progress */
    297 #define	DMA_PCI_CHAN_SUSPEND	0x2000	/* Channel error or suspended */
    298 #define	DMA_PCI_CHAN_ACTIVE	0x1000	/* Chan trans to host active */
    299 #define	ISP_DMA_CHAN_IDLE	0x0000	/* Chan idle (normal comp) */
    300 
    301 
    302 /* DMA FIFO STATUS REGISTER */
    303 #define	DMA_FIFO_STATUS_OVERRUN		0x0200	/* FIFO Overrun Condition */
    304 #define	DMA_FIFO_STATUS_UNDERRUN	0x0100	/* FIFO Underrun Condition */
    305 #define	DMA_FIFO_SBUS_COUNT_MASK	0x007F	/* FIFO Byte count mask */
    306 #define	DMA_FIFO_PCI_COUNT_MASK		0x00FF	/* FIFO Byte count mask */
    307 
    308 /*
    309  * Mailbox Block Register Offsets
    310  */
    311 
    312 #define	INMAILBOX0	MBOX_BLOCK+0x0
    313 #define	INMAILBOX1	MBOX_BLOCK+0x2
    314 #define	INMAILBOX2	MBOX_BLOCK+0x4
    315 #define	INMAILBOX3	MBOX_BLOCK+0x6
    316 #define	INMAILBOX4	MBOX_BLOCK+0x8
    317 #define	INMAILBOX5	MBOX_BLOCK+0xA
    318 #define	INMAILBOX6	MBOX_BLOCK+0xC
    319 #define	INMAILBOX7	MBOX_BLOCK+0xE
    320 
    321 #define	OUTMAILBOX0	MBOX_BLOCK+0x0
    322 #define	OUTMAILBOX1	MBOX_BLOCK+0x2
    323 #define	OUTMAILBOX2	MBOX_BLOCK+0x4
    324 #define	OUTMAILBOX3	MBOX_BLOCK+0x6
    325 #define	OUTMAILBOX4	MBOX_BLOCK+0x8
    326 #define	OUTMAILBOX5	MBOX_BLOCK+0xA
    327 #define	OUTMAILBOX6	MBOX_BLOCK+0xC
    328 #define	OUTMAILBOX7	MBOX_BLOCK+0xE
    329 
    330 #define	OMBOX_OFFN(n)	(MBOX_BLOCK + (n * 2))
    331 #define	NMBOX(isp)	\
    332 	(((((isp)->isp_type & ISP_HA_SCSI) >= ISP_HA_SCSI_1040A) || \
    333 	 ((isp)->isp_type & ISP_HA_FC))? 8 : 6)
    334 
    335 /*
    336  * SXP Block Register Offsets
    337  */
    338 #define	SXP_PART_ID		SXP_BLOCK+0x0	/* R  : Part ID Code */
    339 #define	SXP_CONFIG1		SXP_BLOCK+0x2	/* RW*: Configuration Reg #1 */
    340 #define	SXP_CONFIG2		SXP_BLOCK+0x4	/* RW*: Configuration Reg #2 */
    341 #define	SXP_CONFIG3		SXP_BLOCK+0x6	/* RW*: Configuration Reg #2 */
    342 #define	SXP_INSTRUCTION		SXP_BLOCK+0xC	/* RW*: Instruction Pointer */
    343 #define	SXP_RETURN_ADDR		SXP_BLOCK+0x10	/* RW*: Return Address */
    344 #define	SXP_COMMAND		SXP_BLOCK+0x14	/* RW*: Command */
    345 #define	SXP_INTERRUPT		SXP_BLOCK+0x18	/* R  : Interrupt */
    346 #define	SXP_SEQUENCE		SXP_BLOCK+0x1C	/* RW*: Sequence */
    347 #define	SXP_GROSS_ERR		SXP_BLOCK+0x1E	/* R  : Gross Error */
    348 #define	SXP_EXCEPTION		SXP_BLOCK+0x20	/* RW*: Exception Enable */
    349 #define	SXP_OVERRIDE		SXP_BLOCK+0x24	/* RW*: Override */
    350 #define	SXP_LITERAL_BASE	SXP_BLOCK+0x28	/* RW*: Literal Base */
    351 #define	SXP_USER_FLAGS		SXP_BLOCK+0x2C	/* RW*: User Flags */
    352 #define	SXP_USER_EXCEPT		SXP_BLOCK+0x30	/* RW*: User Exception */
    353 #define	SXP_BREAKPOINT		SXP_BLOCK+0x34	/* RW*: Breakpoint */
    354 #define	SXP_SCSI_ID		SXP_BLOCK+0x40	/* RW*: SCSI ID */
    355 #define	SXP_DEV_CONFIG1		SXP_BLOCK+0x42	/* RW*: Device Config Reg #1 */
    356 #define	SXP_DEV_CONFIG2		SXP_BLOCK+0x44	/* RW*: Device Config Reg #2 */
    357 #define	SXP_PHASE_POINTER	SXP_BLOCK+0x48	/* RW*: SCSI Phase Pointer */
    358 #define	SXP_BUF_POINTER		SXP_BLOCK+0x4C	/* RW*: SCSI Buffer Pointer */
    359 #define	SXP_BUF_COUNTER		SXP_BLOCK+0x50	/* RW*: SCSI Buffer Counter */
    360 #define	SXP_BUFFER		SXP_BLOCK+0x52	/* RW*: SCSI Buffer */
    361 #define	SXP_BUF_BYTE		SXP_BLOCK+0x54	/* RW*: SCSI Buffer Byte */
    362 #define	SXP_BUF_WORD		SXP_BLOCK+0x56	/* RW*: SCSI Buffer Word */
    363 #define	SXP_BUF_WORD_TRAN	SXP_BLOCK+0x58	/* RW*: SCSI Buffer Wd xlate */
    364 #define	SXP_FIFO		SXP_BLOCK+0x5A	/* RW*: SCSI FIFO */
    365 #define	SXP_FIFO_STATUS		SXP_BLOCK+0x5C	/* RW*: SCSI FIFO Status */
    366 #define	SXP_FIFO_TOP		SXP_BLOCK+0x5E	/* RW*: SCSI FIFO Top Resid */
    367 #define	SXP_FIFO_BOTTOM		SXP_BLOCK+0x60	/* RW*: SCSI FIFO Bot Resid */
    368 #define	SXP_TRAN_REG		SXP_BLOCK+0x64	/* RW*: SCSI Transferr Reg */
    369 #define	SXP_TRAN_COUNT_LO	SXP_BLOCK+0x68	/* RW*: SCSI Trans Count */
    370 #define	SXP_TRAN_COUNT_HI	SXP_BLOCK+0x6A	/* RW*: SCSI Trans Count */
    371 #define	SXP_TRAN_COUNTER_LO	SXP_BLOCK+0x6C	/* RW*: SCSI Trans Counter */
    372 #define	SXP_TRAN_COUNTER_HI	SXP_BLOCK+0x6E	/* RW*: SCSI Trans Counter */
    373 #define	SXP_ARB_DATA		SXP_BLOCK+0x70	/* R  : SCSI Arb Data */
    374 #define	SXP_PINS_CONTROL	SXP_BLOCK+0x72	/* RW*: SCSI Control Pins */
    375 #define	SXP_PINS_DATA		SXP_BLOCK+0x74	/* RW*: SCSI Data Pins */
    376 #define	SXP_PINS_DIFF		SXP_BLOCK+0x76	/* RW*: SCSI Diff Pins */
    377 
    378 
    379 /* SXP CONF1 REGISTER */
    380 #define	SXP_CONF1_ASYNCH_SETUP		0xF000	/* Asynchronous setup time */
    381 #define	SXP_CONF1_SELECTION_UNIT	0x0000	/* Selection time unit */
    382 #define	SXP_CONF1_SELECTION_TIMEOUT	0x0600	/* Selection timeout */
    383 #define	SXP_CONF1_CLOCK_FACTOR		0x00E0	/* Clock factor */
    384 #define	SXP_CONF1_SCSI_ID		0x000F	/* SCSI id */
    385 
    386 /* SXP CONF2 REGISTER */
    387 #define	SXP_CONF2_DISABLE_FILTER	0x0040	/* Disable SCSI rec filters */
    388 #define	SXP_CONF2_REQ_ACK_PULLUPS	0x0020	/* Enable req/ack pullups */
    389 #define	SXP_CONF2_DATA_PULLUPS		0x0010	/* Enable data pullups */
    390 #define	SXP_CONF2_CONFIG_AUTOLOAD	0x0008	/* Enable dev conf auto-load */
    391 #define	SXP_CONF2_RESELECT		0x0002	/* Enable reselection */
    392 #define	SXP_CONF2_SELECT		0x0001	/* Enable selection */
    393 
    394 /* SXP INTERRUPT REGISTER */
    395 #define	SXP_INT_PARITY_ERR		0x8000	/* Parity error detected */
    396 #define	SXP_INT_GROSS_ERR		0x4000	/* Gross error detected */
    397 #define	SXP_INT_FUNCTION_ABORT		0x2000	/* Last cmd aborted */
    398 #define	SXP_INT_CONDITION_FAILED	0x1000	/* Last cond failed test */
    399 #define	SXP_INT_FIFO_EMPTY		0x0800	/* SCSI FIFO is empty */
    400 #define	SXP_INT_BUF_COUNTER_ZERO	0x0400	/* SCSI buf count == zero */
    401 #define	SXP_INT_XFER_ZERO		0x0200	/* SCSI trans count == zero */
    402 #define	SXP_INT_INT_PENDING		0x0080	/* SXP interrupt pending */
    403 #define	SXP_INT_CMD_RUNNING		0x0040	/* SXP is running a command */
    404 #define	SXP_INT_INT_RETURN_CODE		0x000F	/* Interrupt return code */
    405 
    406 
    407 /* SXP GROSS ERROR REGISTER */
    408 #define	SXP_GROSS_OFFSET_RESID		0x0040	/* Req/Ack offset not zero */
    409 #define	SXP_GROSS_OFFSET_UNDERFLOW	0x0020	/* Req/Ack offset underflow */
    410 #define	SXP_GROSS_OFFSET_OVERFLOW	0x0010	/* Req/Ack offset overflow */
    411 #define	SXP_GROSS_FIFO_UNDERFLOW	0x0008	/* SCSI FIFO underflow */
    412 #define	SXP_GROSS_FIFO_OVERFLOW		0x0004	/* SCSI FIFO overflow */
    413 #define	SXP_GROSS_WRITE_ERR		0x0002	/* SXP and RISC wrote to reg */
    414 #define	SXP_GROSS_ILLEGAL_INST		0x0001	/* Bad inst loaded into SXP */
    415 
    416 /* SXP EXCEPTION REGISTER */
    417 #define	SXP_EXCEPT_USER_0		0x8000	/* Enable user exception #0 */
    418 #define	SXP_EXCEPT_USER_1		0x4000	/* Enable user exception #1 */
    419 #define	PCI_SXP_EXCEPT_SCAM		0x0400	/* SCAM Selection enable */
    420 #define	SXP_EXCEPT_BUS_FREE		0x0200	/* Enable Bus Free det */
    421 #define	SXP_EXCEPT_TARGET_ATN		0x0100	/* Enable TGT mode atten det */
    422 #define	SXP_EXCEPT_RESELECTED		0x0080	/* Enable ReSEL exc handling */
    423 #define	SXP_EXCEPT_SELECTED		0x0040	/* Enable SEL exc handling */
    424 #define	SXP_EXCEPT_ARBITRATION		0x0020	/* Enable ARB exc handling */
    425 #define	SXP_EXCEPT_GROSS_ERR		0x0010	/* Enable gross error except */
    426 #define	SXP_EXCEPT_BUS_RESET		0x0008	/* Enable Bus Reset except */
    427 
    428 	/* SXP OVERRIDE REGISTER */
    429 #define	SXP_ORIDE_EXT_TRIGGER		0x8000	/* Enable external trigger */
    430 #define	SXP_ORIDE_STEP			0x4000	/* Enable single step mode */
    431 #define	SXP_ORIDE_BREAKPOINT		0x2000	/* Enable breakpoint reg */
    432 #define	SXP_ORIDE_PIN_WRITE		0x1000	/* Enable write to SCSI pins */
    433 #define	SXP_ORIDE_FORCE_OUTPUTS		0x0800	/* Force SCSI outputs on */
    434 #define	SXP_ORIDE_LOOPBACK		0x0400	/* Enable SCSI loopback mode */
    435 #define	SXP_ORIDE_PARITY_TEST		0x0200	/* Enable parity test mode */
    436 #define	SXP_ORIDE_TRISTATE_ENA_PINS	0x0100	/* Tristate SCSI enable pins */
    437 #define	SXP_ORIDE_TRISTATE_PINS		0x0080	/* Tristate SCSI pins */
    438 #define	SXP_ORIDE_FIFO_RESET		0x0008	/* Reset SCSI FIFO */
    439 #define	SXP_ORIDE_CMD_TERMINATE		0x0004	/* Terminate cur SXP com */
    440 #define	SXP_ORIDE_RESET_REG		0x0002	/* Reset SXP registers */
    441 #define	SXP_ORIDE_RESET_MODULE		0x0001	/* Reset SXP module */
    442 
    443 /* SXP COMMANDS */
    444 #define	SXP_RESET_BUS_CMD		0x300b
    445 
    446 /* SXP SCSI ID REGISTER */
    447 #define	SXP_SELECTING_ID		0x0F00	/* (Re)Selecting id */
    448 #define	SXP_SELECT_ID			0x000F	/* Select id */
    449 
    450 /* SXP DEV CONFIG1 REGISTER */
    451 #define	SXP_DCONF1_SYNC_HOLD		0x7000	/* Synchronous data hold */
    452 #define	SXP_DCONF1_SYNC_SETUP		0x0F00	/* Synchronous data setup */
    453 #define	SXP_DCONF1_SYNC_OFFSET		0x000F	/* Synchronous data offset */
    454 
    455 
    456 /* SXP DEV CONFIG2 REGISTER */
    457 #define	SXP_DCONF2_FLAGS_MASK		0xF000	/* Device flags */
    458 #define	SXP_DCONF2_WIDE			0x0400	/* Enable wide SCSI */
    459 #define	SXP_DCONF2_PARITY		0x0200	/* Enable parity checking */
    460 #define	SXP_DCONF2_BLOCK_MODE		0x0100	/* Enable blk mode xfr count */
    461 #define	SXP_DCONF2_ASSERTION_MASK	0x0007	/* Assersion period mask */
    462 
    463 
    464 /* SXP PHASE POINTER REGISTER */
    465 #define	SXP_PHASE_STATUS_PTR		0x1000	/* Status buffer offset */
    466 #define	SXP_PHASE_MSG_IN_PTR		0x0700	/* Msg in buffer offset */
    467 #define	SXP_PHASE_COM_PTR		0x00F0	/* Command buffer offset */
    468 #define	SXP_PHASE_MSG_OUT_PTR		0x0007	/* Msg out buffer offset */
    469 
    470 
    471 /* SXP FIFO STATUS REGISTER */
    472 #define	SXP_FIFO_TOP_RESID		0x8000	/* Top residue reg full */
    473 #define	SXP_FIFO_ACK_RESID		0x4000	/* Wide transfers odd resid */
    474 #define	SXP_FIFO_COUNT_MASK		0x001C	/* Words in SXP FIFO */
    475 #define	SXP_FIFO_BOTTOM_RESID		0x0001	/* Bottom residue reg full */
    476 
    477 
    478 /* SXP CONTROL PINS REGISTER */
    479 #define	SXP_PINS_CON_PHASE		0x8000	/* Scsi phase valid */
    480 #define	SXP_PINS_CON_PARITY_HI		0x0400	/* Parity pin */
    481 #define	SXP_PINS_CON_PARITY_LO		0x0200	/* Parity pin */
    482 #define	SXP_PINS_CON_REQ		0x0100	/* SCSI bus REQUEST */
    483 #define	SXP_PINS_CON_ACK		0x0080	/* SCSI bus ACKNOWLEDGE */
    484 #define	SXP_PINS_CON_RST		0x0040	/* SCSI bus RESET */
    485 #define	SXP_PINS_CON_BSY		0x0020	/* SCSI bus BUSY */
    486 #define	SXP_PINS_CON_SEL		0x0010	/* SCSI bus SELECT */
    487 #define	SXP_PINS_CON_ATN		0x0008	/* SCSI bus ATTENTION */
    488 #define	SXP_PINS_CON_MSG		0x0004	/* SCSI bus MESSAGE */
    489 #define	SXP_PINS_CON_CD 		0x0002	/* SCSI bus COMMAND */
    490 #define	SXP_PINS_CON_IO 		0x0001	/* SCSI bus INPUT */
    491 
    492 /*
    493  * Set the hold time for the SCSI Bus Reset to be 250 ms
    494  */
    495 #define	SXP_SCSI_BUS_RESET_HOLD_TIME	250
    496 
    497 /* SXP DIFF PINS REGISTER */
    498 #define	SXP_PINS_DIFF_SENSE		0x0200	/* DIFFSENS sig on SCSI bus */
    499 #define	SXP_PINS_DIFF_MODE		0x0100	/* DIFFM signal */
    500 #define	SXP_PINS_DIFF_ENABLE_OUTPUT	0x0080	/* Enable SXP SCSI data drv */
    501 #define	SXP_PINS_DIFF_PINS_MASK		0x007C	/* Differential control pins */
    502 #define	SXP_PINS_DIFF_TARGET		0x0002	/* Enable SXP target mode */
    503 #define	SXP_PINS_DIFF_INITIATOR		0x0001	/* Enable SXP initiator mode */
    504 
    505 /* 1080 only */
    506 #define	SXP_PINS_LVD_MODE		0x1000
    507 #define	SXP_PINS_HVD_MODE		0x0800
    508 #define	SXP_PINS_SE_MODE		0x0400
    509 
    510 /* The above have to be put together with the DIFFM pin to make sense */
    511 #define	ISP1080_LVD_MODE		(SXP_PINS_LVD_MODE)
    512 #define	ISP1080_HVD_MODE		(SXP_PINS_HVD_MODE|SXP_PINS_DIFF_MODE)
    513 #define	ISP1080_SE_MODE			(SXP_PINS_SE_MODE)
    514 #define	ISP1080_MODE_MASK	\
    515     (SXP_PINS_LVD_MODE|SXP_PINS_HVD_MODE|SXP_PINS_SE_MODE|SXP_PINS_DIFF_MODE)
    516 
    517 /*
    518  * RISC and Host Command and Control Block Register Offsets
    519  */
    520 
    521 #define	RISC_ACC	RISC_BLOCK+0x0	/* RW*: Accumulator */
    522 #define	RISC_R1		RISC_BLOCK+0x2	/* RW*: GP Reg R1  */
    523 #define	RISC_R2		RISC_BLOCK+0x4	/* RW*: GP Reg R2  */
    524 #define	RISC_R3		RISC_BLOCK+0x6	/* RW*: GP Reg R3  */
    525 #define	RISC_R4		RISC_BLOCK+0x8	/* RW*: GP Reg R4  */
    526 #define	RISC_R5		RISC_BLOCK+0xA	/* RW*: GP Reg R5  */
    527 #define	RISC_R6		RISC_BLOCK+0xC	/* RW*: GP Reg R6  */
    528 #define	RISC_R7		RISC_BLOCK+0xE	/* RW*: GP Reg R7  */
    529 #define	RISC_R8		RISC_BLOCK+0x10	/* RW*: GP Reg R8  */
    530 #define	RISC_R9		RISC_BLOCK+0x12	/* RW*: GP Reg R9  */
    531 #define	RISC_R10	RISC_BLOCK+0x14	/* RW*: GP Reg R10 */
    532 #define	RISC_R11	RISC_BLOCK+0x16	/* RW*: GP Reg R11 */
    533 #define	RISC_R12	RISC_BLOCK+0x18	/* RW*: GP Reg R12 */
    534 #define	RISC_R13	RISC_BLOCK+0x1a	/* RW*: GP Reg R13 */
    535 #define	RISC_R14	RISC_BLOCK+0x1c	/* RW*: GP Reg R14 */
    536 #define	RISC_R15	RISC_BLOCK+0x1e	/* RW*: GP Reg R15 */
    537 #define	RISC_PSR	RISC_BLOCK+0x20	/* RW*: Processor Status */
    538 #define	RISC_IVR	RISC_BLOCK+0x22	/* RW*: Interrupt Vector */
    539 #define	RISC_PCR	RISC_BLOCK+0x24	/* RW*: Processor Ctrl */
    540 #define	RISC_RAR0	RISC_BLOCK+0x26	/* RW*: Ram Address #0 */
    541 #define	RISC_RAR1	RISC_BLOCK+0x28	/* RW*: Ram Address #1 */
    542 #define	RISC_LCR	RISC_BLOCK+0x2a	/* RW*: Loop Counter */
    543 #define	RISC_PC		RISC_BLOCK+0x2c	/* R  : Program Counter */
    544 #define	RISC_MTR	RISC_BLOCK+0x2e	/* RW*: Memory Timing */
    545 #define		RISC_MTR2100	RISC_BLOCK+0x30
    546 
    547 #define	RISC_EMB	RISC_BLOCK+0x30	/* RW*: Ext Mem Boundary */
    548 #define		DUAL_BANK	8
    549 #define	RISC_SP		RISC_BLOCK+0x32	/* RW*: Stack Pointer */
    550 #define	RISC_HRL	RISC_BLOCK+0x3e	/* R *: Hardware Rev Level */
    551 #define	HCCR		RISC_BLOCK+0x40	/* RW : Host Command & Ctrl */
    552 #define	BP0		RISC_BLOCK+0x42	/* RW : Processor Brkpt #0 */
    553 #define	BP1		RISC_BLOCK+0x44	/* RW : Processor Brkpt #1 */
    554 #define	TCR		RISC_BLOCK+0x46	/*  W : Test Control */
    555 #define	TMR		RISC_BLOCK+0x48	/*  W : Test Mode */
    556 
    557 
    558 /* PROCESSOR STATUS REGISTER */
    559 #define	RISC_PSR_FORCE_TRUE		0x8000
    560 #define	RISC_PSR_LOOP_COUNT_DONE	0x4000
    561 #define	RISC_PSR_RISC_INT		0x2000
    562 #define	RISC_PSR_TIMER_ROLLOVER		0x1000
    563 #define	RISC_PSR_ALU_OVERFLOW		0x0800
    564 #define	RISC_PSR_ALU_MSB		0x0400
    565 #define	RISC_PSR_ALU_CARRY		0x0200
    566 #define	RISC_PSR_ALU_ZERO		0x0100
    567 
    568 #define	RISC_PSR_PCI_ULTRA		0x0080
    569 #define	RISC_PSR_SBUS_ULTRA		0x0020
    570 
    571 #define	RISC_PSR_DMA_INT		0x0010
    572 #define	RISC_PSR_SXP_INT		0x0008
    573 #define	RISC_PSR_HOST_INT		0x0004
    574 #define	RISC_PSR_INT_PENDING		0x0002
    575 #define	RISC_PSR_FORCE_FALSE  		0x0001
    576 
    577 
    578 /* Host Command and Control */
    579 #define	HCCR_CMD_NOP			0x0000	/* NOP */
    580 #define	HCCR_CMD_RESET			0x1000	/* Reset RISC */
    581 #define	HCCR_CMD_PAUSE			0x2000	/* Pause RISC */
    582 #define	HCCR_CMD_RELEASE		0x3000	/* Release Paused RISC */
    583 #define	HCCR_CMD_STEP			0x4000	/* Single Step RISC */
    584 #define	HCCR_CMD_SET_HOST_INT		0x5000	/* Set Host Interrupt */
    585 #define	HCCR_CMD_CLEAR_HOST_INT		0x6000	/* Clear Host Interrupt */
    586 #define	HCCR_CMD_CLEAR_RISC_INT		0x7000	/* Clear RISC interrupt */
    587 #define	HCCR_CMD_BREAKPOINT		0x8000	/* Change breakpoint enables */
    588 #define	PCI_HCCR_CMD_BIOS		0x9000	/* Write BIOS (disable) */
    589 #define	PCI_HCCR_CMD_PARITY		0xA000	/* Write parity enable */
    590 #define	PCI_HCCR_CMD_PARITY_ERR		0xE000	/* Generate parity error */
    591 #define	HCCR_CMD_TEST_MODE		0xF000	/* Set Test Mode */
    592 
    593 #define	ISP2100_HCCR_PARITY_ENABLE_2	0x0400
    594 #define	ISP2100_HCCR_PARITY_ENABLE_1	0x0200
    595 #define	ISP2100_HCCR_PARITY_ENABLE_0	0x0100
    596 #define	ISP2100_HCCR_PARITY		0x0001
    597 
    598 #define	PCI_HCCR_PARITY			0x0400	/* Parity error flag */
    599 #define	PCI_HCCR_PARITY_ENABLE_1	0x0200	/* Parity enable bank 1 */
    600 #define	PCI_HCCR_PARITY_ENABLE_0	0x0100	/* Parity enable bank 0 */
    601 
    602 #define	HCCR_HOST_INT			0x0080	/* R  : Host interrupt set */
    603 #define	HCCR_RESET			0x0040	/* R  : reset in progress */
    604 #define	HCCR_PAUSE			0x0020	/* R  : RISC paused */
    605 
    606 #define	PCI_HCCR_BIOS			0x0001	/*  W : BIOS enable */
    607 
    608 /*
    609  * Qlogic 1XXX NVRAM is an array of 128 bytes.
    610  *
    611  * Some portion of the front of this is for general host adapter properties
    612  * This is followed by an array of per-target parameters, and is tailed off
    613  * with a checksum xor byte at offset 127. For non-byte entities data is
    614  * stored in Little Endian order.
    615  */
    616 
    617 #define	ISP_NVRAM_SIZE	128
    618 
    619 #define	ISPBSMX(c, byte, shift, mask)	\
    620 	(((c)[(byte)] >> (shift)) & (mask))
    621 
    622 #define	ISP_NVRAM_VERSION(c)			(c)[4]
    623 #define	ISP_NVRAM_FIFO_THRESHOLD(c)		ISPBSMX(c, 5, 0, 0x03)
    624 #define	ISP_NVRAM_BIOS_DISABLE(c)		ISPBSMX(c, 5, 2, 0x01)
    625 #define	ISP_NVRAM_HBA_ENABLE(c)			ISPBSMX(c, 5, 3, 0x01)
    626 #define	ISP_NVRAM_INITIATOR_ID(c)		ISPBSMX(c, 5, 4, 0x0f)
    627 #define	ISP_NVRAM_BUS_RESET_DELAY(c)		(c)[6]
    628 #define	ISP_NVRAM_BUS_RETRY_COUNT(c)		(c)[7]
    629 #define	ISP_NVRAM_BUS_RETRY_DELAY(c)		(c)[8]
    630 #define	ISP_NVRAM_ASYNC_DATA_SETUP_TIME(c)	ISPBSMX(c, 9, 0, 0x0f)
    631 #define	ISP_NVRAM_REQ_ACK_ACTIVE_NEGATION(c)	ISPBSMX(c, 9, 4, 0x01)
    632 #define	ISP_NVRAM_DATA_LINE_ACTIVE_NEGATION(c)	ISPBSMX(c, 9, 5, 0x01)
    633 #define	ISP_NVRAM_DATA_DMA_BURST_ENABLE(c)	ISPBSMX(c, 9, 6, 0x01)
    634 #define	ISP_NVRAM_CMD_DMA_BURST_ENABLE(c)	ISPBSMX(c, 9, 7, 0x01)
    635 #define	ISP_NVRAM_TAG_AGE_LIMIT(c)		(c)[10]
    636 #define	ISP_NVRAM_LOWTRM_ENABLE(c)		ISPBSMX(c, 11, 0, 0x01)
    637 #define	ISP_NVRAM_HITRM_ENABLE(c)		ISPBSMX(c, 11, 1, 0x01)
    638 #define	ISP_NVRAM_PCMC_BURST_ENABLE(c)		ISPBSMX(c, 11, 2, 0x01)
    639 #define	ISP_NVRAM_ENABLE_60_MHZ(c)		ISPBSMX(c, 11, 3, 0x01)
    640 #define	ISP_NVRAM_SCSI_RESET_DISABLE(c)		ISPBSMX(c, 11, 4, 0x01)
    641 #define	ISP_NVRAM_ENABLE_AUTO_TERM(c)		ISPBSMX(c, 11, 5, 0x01)
    642 #define	ISP_NVRAM_FIFO_THRESHOLD_128(c)		ISPBSMX(c, 11, 6, 0x01)
    643 #define	ISP_NVRAM_AUTO_TERM_SUPPORT(c)		ISPBSMX(c, 11, 7, 0x01)
    644 #define	ISP_NVRAM_SELECTION_TIMEOUT(c)		(((c)[12]) | ((c)[13] << 8))
    645 #define	ISP_NVRAM_MAX_QUEUE_DEPTH(c)		(((c)[14]) | ((c)[15] << 8))
    646 #define	ISP_NVRAM_SCSI_BUS_SIZE(c)		ISPBSMX(c, 16, 0, 0x01)
    647 #define	ISP_NVRAM_SCSI_BUS_TYPE(c)		ISPBSMX(c, 16, 1, 0x01)
    648 #define	ISP_NVRAM_ADAPTER_CLK_SPEED(c)		ISPBSMX(c, 16, 2, 0x01)
    649 #define	ISP_NVRAM_SOFT_TERM_SUPPORT(c)		ISPBSMX(c, 16, 3, 0x01)
    650 #define	ISP_NVRAM_FLASH_ONBOARD(c)		ISPBSMX(c, 16, 4, 0x01)
    651 #define	ISP_NVRAM_FAST_MTTR_ENABLE(c)		ISPBSMX(c, 22, 0, 0x01)
    652 
    653 #define	ISP_NVRAM_TARGOFF			28
    654 #define	ISP_NVARM_TARGSIZE			6
    655 #define	_IxT(tgt, tidx)			\
    656 	(ISP_NVRAM_TARGOFF + (ISP_NVARM_TARGSIZE * (tgt)) + (tidx))
    657 #define	ISP_NVRAM_TGT_RENEG(c, t)		ISPBSMX(c, _IxT(t, 0), 0, 0x01)
    658 #define	ISP_NVRAM_TGT_QFRZ(c, t)		ISPBSMX(c, _IxT(t, 0), 1, 0x01)
    659 #define	ISP_NVRAM_TGT_ARQ(c, t)			ISPBSMX(c, _IxT(t, 0), 2, 0x01)
    660 #define	ISP_NVRAM_TGT_TQING(c, t)		ISPBSMX(c, _IxT(t, 0), 3, 0x01)
    661 #define	ISP_NVRAM_TGT_SYNC(c, t)		ISPBSMX(c, _IxT(t, 0), 4, 0x01)
    662 #define	ISP_NVRAM_TGT_WIDE(c, t)		ISPBSMX(c, _IxT(t, 0), 5, 0x01)
    663 #define	ISP_NVRAM_TGT_PARITY(c, t)		ISPBSMX(c, _IxT(t, 0), 6, 0x01)
    664 #define	ISP_NVRAM_TGT_DISC(c, t)		ISPBSMX(c, _IxT(t, 0), 7, 0x01)
    665 #define	ISP_NVRAM_TGT_EXEC_THROTTLE(c, t)	ISPBSMX(c, _IxT(t, 1), 0, 0xff)
    666 #define	ISP_NVRAM_TGT_SYNC_PERIOD(c, t)		ISPBSMX(c, _IxT(t, 2), 0, 0xff)
    667 #define	ISP_NVRAM_TGT_SYNC_OFFSET(c, t)		ISPBSMX(c, _IxT(t, 3), 0, 0x0f)
    668 #define	ISP_NVRAM_TGT_DEVICE_ENABLE(c, t)	ISPBSMX(c, _IxT(t, 3), 4, 0x01)
    669 #define	ISP_NVRAM_TGT_LUN_DISABLE(c, t)		ISPBSMX(c, _IxT(t, 3), 5, 0x01)
    670 
    671 /*
    672  * Qlogic 2XXX NVRAM is an array of 256 bytes.
    673  *
    674  * Some portion of the front of this is for general RISC engine parameters,
    675  * mostly reflecting the state of the last INITIALIZE FIRMWARE mailbox command.
    676  *
    677  * This is followed by some general host adapter parameters, and ends with
    678  * a checksum xor byte at offset 255. For non-byte entities data is stored
    679  * in Little Endian order.
    680  */
    681 #define	ISP2100_NVRAM_SIZE	256
    682 /* ISP_NVRAM_VERSION is in same overall place */
    683 #define	ISP2100_NVRAM_RISCVER(c)		(c)[6]
    684 #define	ISP2100_NVRAM_OPTIONS(c)		(c)[8]
    685 #define	ISP2100_NVRAM_MAXFRAMELENGTH(c)		(((c)[10]) | ((c)[11] << 8))
    686 #define	ISP2100_NVRAM_MAXIOCBALLOCATION(c)	(((c)[12]) | ((c)[13] << 8))
    687 #define	ISP2100_NVRAM_EXECUTION_THROTTLE(c)	(((c)[14]) | ((c)[15] << 8))
    688 #define	ISP2100_NVRAM_RETRY_COUNT(c)		(c)[16]
    689 #define	ISP2100_NVRAM_RETRY_DELAY(c)		(c)[17]
    690 
    691 #define	ISP2100_NVRAM_NODE_NAME(c)	(\
    692 		(((u_int64_t)(c)[18]) << 56) | \
    693 		(((u_int64_t)(c)[19]) << 48) | \
    694 		(((u_int64_t)(c)[20]) << 40) | \
    695 		(((u_int64_t)(c)[21]) << 32) | \
    696 		(((u_int64_t)(c)[22]) << 24) | \
    697 		(((u_int64_t)(c)[23]) << 16) | \
    698 		(((u_int64_t)(c)[24]) <<  8) | \
    699 		(((u_int64_t)(c)[25]) <<  0))
    700 #define	ISP2100_NVRAM_HARDLOOPID(c)		(c)[26]
    701 
    702 #define	ISP2100_NVRAM_HBA_OPTIONS(c)		(c)[70]
    703 #define	ISP2100_NVRAM_HBA_DISABLE(c)		ISPBSMX(c, 70, 0, 0x01)
    704 #define	ISP2100_NVRAM_BIOS_DISABLE(c)		ISPBSMX(c, 70, 1, 0x01)
    705 #define	ISP2100_NVRAM_LUN_DISABLE(c)		ISPBSMX(c, 70, 2, 0x01)
    706 #define	ISP2100_NVRAM_ENABLE_SELECT_BOOT(c)	ISPBSMX(c, 70, 3, 0x01)
    707 #define	ISP2100_NVRAM_DISABLE_CODELOAD(c)	ISPBSMX(c, 70, 4, 0x01)
    708 #define	ISP2100_NVRAM_SET_CACHELINESZ(c)	ISPBSMX(c, 70, 5, 0x01)
    709 
    710 #define	ISP2100_NVRAM_BOOT_NODE_NAME(c)	(\
    711 		(((u_int64_t)(c)[72]) << 56) | \
    712 		(((u_int64_t)(c)[73]) << 48) | \
    713 		(((u_int64_t)(c)[74]) << 40) | \
    714 		(((u_int64_t)(c)[75]) << 32) | \
    715 		(((u_int64_t)(c)[76]) << 24) | \
    716 		(((u_int64_t)(c)[77]) << 16) | \
    717 		(((u_int64_t)(c)[78]) <<  8) | \
    718 		(((u_int64_t)(c)[79]) <<  0))
    719 
    720 #define	ISP2100_NVRAM_BOOT_LUN(c)		(c)[80]
    721 
    722 #endif	/* _ISPREG_H */
    723