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      1 /*	$NetBSD: tcic2reg.h,v 1.6 2024/02/09 22:08:34 andvar Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1998, 1999 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Christoph Badura.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 /*
     33  * All information is from the Databook DB86082 TCIC PC Card Controller for
     34  * Notebook PCs -- Hardware Design Guide, March 22, 1994.
     35  */
     36 
     37 #ifndef _TCIC2REG_H
     38 #define _TCIC2REG_H
     39 #define	TCIC_IOSIZE		16
     40 
     41 /* TCIC primary registers */
     42 #define	TCIC_R_DATA		0		/* Data register, 16 bit */
     43 #define	TCIC_R_ADDR		2		/* Address register, 32 bit */
     44 #define	TCIC_R_ADDR2		(TCIC_R_ADDR+2)	/* high word of addr. reg. */
     45 #define	TCIC_R_SCTRL		6		/* Socket control reg., 8 bit */
     46 #define	TCIC_R_SSTAT		7		/* Socket status reg., 8 bit */
     47 #define	TCIC_R_MODE		8		/* Mode register, 8 bit */
     48 #define	TCIC_R_PWR		9		/* Power control reg., 8 bit */
     49 #define	TCIC_R_EDC		0xA		/* Error detect code, 16 bit */
     50 #define	TCIC_R_ICSR		0xC		/* Interrupt ctrl/status, 8 bit */
     51 #define	TCIC_R_IENA		0xD		/* Interrupt enable, 8 bit */
     52 #define	TCIC_R_AUX		0xE		/* Auxiliary Register, 16 bit */
     53 
     54 /*
     55  * TCIC auxiliary registers.
     56  * These are all 16 bit registers.
     57  * They are accessed by selecting the appropriate index in
     58  * bits 7:5 of the mode register.
     59  */
     60 #define	TCIC_AR_MASK		0xe0		/* for masking the mode reg. */
     61 #define	TCIC_AR_TCTL		0x00		/* timing control register */
     62 #define	TCIC_AR_PCTL		0x20		/* programming pulse ctrl. */
     63 #define	TCIC_AR_WCTL		0x40		/* wait state control */
     64 #define	TCIC_AR_EXTERN		0x60		/* external access */
     65 #define	TCIC_AR_PDATA		0x80		/* programming data */
     66 #define	TCIC_AR_SYSCFG		0xA0		/* system configuration */
     67 #define	TCIC_AR_ILOCK		0xC0		/* interlock control/status */
     68 #define	TCIC_AR_TEST		0xE0		/* test */
     69 
     70 /*
     71  * TCIC indirect registers.
     72  * These are all 16 bit.
     73  * They are accessed by selecting the appropriate address in
     74  * bits 9:0 of the address register with indirect register access mode
     75  * enabled.
     76  */
     77 #define	TCIC_WR_MEM_BASE	0x100	/* base address */
     78 #define	TCIC_WR_MEM_SHFT	3	/* log2 size of one reg set */
     79 #define	TCIC_WR_MEXT_N(n)	((TCIC_WR_MEM_BASE+((n)<<TCIC_WR_MEM_SHFT))+0)
     80 #define	TCIC_WR_MBASE_N(n)	((TCIC_WR_MEM_BASE+((n)<<TCIC_WR_MEM_SHFT))+2)
     81 #define	TCIC_WR_MMAP_N(n)	((TCIC_WR_MEM_BASE+((n)<<TCIC_WR_MEM_SHFT))+4)
     82 #define	TCIC_WR_MCTL_N(n)	((TCIC_WR_MEM_BASE+((n)<<TCIC_WR_MEM_SHFT))+6)
     83 
     84 #define	TCIC_WR_IO_BASE		0x200	/* base address */
     85 #define	TCIC_WR_IO_SHFT		2	/* log2 size of one reg set */
     86 #define	TCIC_WR_IBASE_N(n)	((TCIC_WR_IO_BASE+((n)<<TCIC_WR_IO_SHFT))+0)
     87 #define	TCIC_WR_ICTL_N(n)	((TCIC_WR_IO_BASE+((n)<<TCIC_WR_IO_SHFT))+2)
     88 
     89 #define	TCIC_IR_SCF_BASE	0	/* base address */
     90 #define	TCIC_IR_SCF_SHFT	3	/* log2 size of one reg set */
     91 #define	TCIC_IR_SCF1_N(n)	((TCIC_IR_SCF_BASE+((n)<<TCIC_IR_SCF_SHFT))+0)
     92 #define	TCIC_IR_SCF2_N(n)	((TCIC_IR_SCF_BASE+((n)<<TCIC_IR_SCF_SHFT))+2)
     93 
     94 
     95 /* Bits in the ADDR2 register */
     96 #define	TCIC_SS_SHIFT		12	/* location of socket select bits */
     97 #define	TCIC_SS_MASK		(7<<(TCIC_SS_SHIFT))	/* socket select mask */
     98 
     99 #define	TCIC_ADDR2_REG		(1 << 15)	/* select REG space */
    100 #define	TCIC_ADDR2_SS_SHFT	TCIC_SS_SHIFT	/* select sockets the usual way */
    101 #define	TCIC_ADDR2_SS_MASK	TCIC_SS_MASK	/* ditto */
    102 #define	TCIC_ADDR2_INDREG	(1 << 11)	/* access indirect registers
    103 						 * (not card data)
    104 						 */
    105 #define	TCIC_ADDR2_IO		(1 << 10)	/* select I/O cycles, readback
    106 						 * card /IORD, /IOWR in diag-
    107 						 * nostic mode.
    108 						 */
    109 
    110 /* Bits in address register */
    111 #define	TCIC_ADDR_REG	(u_int32_t) TCIC_ADDR2_REG << 16)	/* OR with this for REG space */
    112 #define	TCIC_ADDR_SS_SHFT	((u_int32_t) TCIC_ADDR2_SS_SHFT + 16)
    113 						/* shift count, cast so that
    114 						 * you'll get the right type
    115 						 * if you use it but forget
    116 						 * to cast the left arg.
    117 						 */
    118 #define	TCIC_ADDR_SS_MASK	((u_int32_t) TCIC_ADDR2_SS_MASK << 16)
    119 #define	TCIC_ADDR_INDREG	((u_int32_t) TCIC_ADDR2_INDREG << 16)
    120 #define	TCIC_ADDR_IO		((u_int32_t) TCIC_ADDR2_IO << 16)
    121 
    122 #define	TCIC_ADDR_SPACE_SIZE	((u_int32_t) 1 << 26)
    123 #define	TCIC_ADDR_MASK	(ADDR_SPACE_SIZE - 1)
    124 
    125 /* The following bits are defined in diagnostic mode */
    126 #define	TCIC_ADDR_DIAG_NREG	((u_int32_t) 1 << 31)	/* inverted! */
    127 #define	TCIC_ADDR_DIAG_NCEH	((u_int32_t) 1 << 30)
    128 #define	TCIC_ADDR_DIAG_NCEL	((u_int32_t) 1 << 29)
    129 #define	TCIC_ADDR_DIAG_NCWR	((u_int32_t) 1 << 28)
    130 #define	TCIC_ADDR_DIAG_NCRD	((u_int32_t) 1 << 27)
    131 #define	TCIC_ADDR_DIAG_CRESET	((u_int32_t) 1 << 26)
    132 
    133 /* Bits in socket control register */
    134 #define	TCIC_SCTRL_ENA		(1 << 0)	/* enable access to card */
    135 #define	TCIC_SCTRL_INCMODE	(3 << 3)	/* mask for increment mode:  */
    136 #define	TCIC_SCTRL_INCMODE_AUTO	(3 << 3)	/*   auto-increment mode */
    137 #define	TCIC_SCTRL_INCMODE_HOLD	(0 << 3)	/*   byte hold mode */
    138 #define	TCIC_SCTRL_INCMODE_WORD	(1 << 3)	/*   word hold mode */
    139 #define	TCIC_SCTRL_INCMODE_REG	(2 << 3)	/*   reg-space increment mode */
    140 #define	TCIC_SCTRL_EDCSUM	(1 << 5)	/* if set, use checksum (not CRC) */
    141 #define	TCIC_SCTRL_RESET	(1 << 7)	/* internal software reset */
    142 #define	TCIC_SCTRL_RSVD		0x46		/* reserved bits, MBZ */
    143 
    144 /* Bits in the socket status register */
    145 #define	TCIC_SSTAT_6US		(1<<0)		/* 6 usec have elapsed */
    146 #define	TCIC_SSTAT_10US		(1<<1)		/* 10 usec have elapsed */
    147 #define	TCIC_SSTAT_PROGTIME	(1<<2)		/* programming pulse timeout */
    148 #define	TCIC_SSTAT_LBAT1	(1<<3)		/* low battery 1 */
    149 #define	TCIC_SSTAT_LBAT2	(1<<4)		/* low battery 2 */
    150 #define	TCIC_SSTAT_BATOK	(0<<3)		/* battery is OK */
    151 #define	TCIC_SSTAT_BATBAD1	(1<<3)		/* battery is low */
    152 #define	TCIC_SSTAT_BATLO	(2<<3)		/* battery is getting low */
    153 #define	TCIC_SSTAT_BATBAD2	(3<<3)		/* battery is low */
    154 #define	TCIC_SSTAT_RDY		(1<<5)		/* card is ready (not busy) */
    155 #define	TCIC_SSTAT_WP		(1<<6)		/* card is write-protected */
    156 #define	TCIC_SSTAT_CD		(1<<7)		/* card present */
    157 #define	TCIC_SSTAT_STAT_MASK	0xf8
    158 
    159 /* Mode register contents (R_MODE) */
    160 #define	TCIC_MODE_PGMMASK	(0x1F)		/* the programming mode bits */
    161 #define	TCIC_MODE_NORMAL	(0)		/*   normal mode */
    162 #define	TCIC_MODE_PGMWR		(1 << 0)	/*   assert /WR */
    163 #define	TCIC_MODE_PGMRD		(1 << 1)	/*   assert /RD */
    164 #define	TCIC_MODE_PGMCE		(1 << 2)	/*   assert /CEx */
    165 #define	TCIC_MODE_PGMDBW	(1 << 3)	/*   databus in write mode */
    166 #define	TCIC_MODE_PGMWORD	(1 << 4)	/*   word programming mode */
    167 
    168 /* Power control register contents (R_PWR) */
    169 #define	TCIC_PWR_VCC_SHFT	(0)		/* the VCC ctl shift */
    170 #define	TCIC_PWR_VCC_MASK	(3 << TCIC_PWR_VCC_SHFT)
    171 
    172 #define	TCIC_PWR_VPP_SHFT	(3)		/* the VPP ctl shift */
    173 #define	TCIC_PWR_VPP_MASK	(3 << TCIC_PWR_VPP_SHFT)
    174 #define	TCIC_PWR_ENA		(1 << 5)	/* on 084, successors, this
    175 						 * must be set to turn on
    176 						 * power.
    177 						 */
    178 #define	TCIC_PWR_VCC5V		(1 << 2)	/* enable +5 (not +3) */
    179 #if 0
    180 #define	TCIC_PWR_VOFF_POFF	(0)		/* turn off VCC, VPP */
    181 #define	TCIC_PWR_VON_PVCC	(1)		/* turn on VCC, VPP=VCC */
    182 #define	TCIC_PWR_VON_PVPP	(2)		/* turn on VCC, VPP=12V */
    183 #define	TCIC_PWR_VON_POFF	(3)		/* turn on VCC, VPP=0V */
    184 #endif
    185 #define	TCIC_PWR_VCC_N(n)	(1<<((n)))	/* VCCSEL for socket n */
    186 #define	TCIC_PWR_VPP_N(n)	(1<<(3+(n)))	/* VPPSEL for socket n */
    187 
    188 #define	TCIC_PWR_CLIMENA	(1 << 6)	/* the current-limit enable */
    189 #define	TCIC_PWR_CLIMSTAT	(1 << 7)	/* current limit sense (r/o) */
    190 
    191 /* Bits in the icsr register. */
    192 #define	TCIC_ICSR_IOCHK		(1<<7)		/* I/O check */
    193 #define	TCIC_ICSR_CDCHG		(1<<6)		/* card status change, see SSTAT */
    194 #define	TCIC_ICSR_ERR		(1<<5)		/* error condition */
    195 #define	TCIC_ICSR_PROGTIME	(1<<4)		/* program timer ding */
    196 #define	TCIC_ICSR_ILOCK		(1<<3)		/* interlock change */
    197 #define	TCIC_ICSR_STOPCPU	(1<<2)		/* Stop CPU was asserted */
    198 #define	TCIC_ICSR_SET		(1<<1)		/* (w/o) enable writes that set bits */
    199 #define	TCIC_ICSR_CLEAR		(1<<0)		/* (w/o) enable writes that clear */
    200 #define	TCIC_ICSR_JAM		(TCIC_ICSR_SET|TCIC_ICSR_CLEAR)
    201 						/* jam value into ICSR */
    202 
    203 /* bits in the interrupt enable register */
    204 #define	TCIC_IENA_CDCHG		(1 << 6)	/* enable INT when ICSR_CDCHG is set */
    205 #define	TCIC_IENA_ERR		(1 << 5)	/* enable INT when ICSR_ERR is set */
    206 #define	TCIC_IENA_PROGTIME	(1 << 4)	/* enable INT when ICSR_PROGTIME " */
    207 #define	TCIC_IENA_ILOCK		(1 << 3)	/* enable INT when ICSR_ILOCK is set */
    208 #define	TCIC_IENA_CFG_MASK	(3 << 0)	/* select the bits for IRQ config: */
    209 #define	TCIC_IENA_CFG_OFF	(0 << 0)	/* IRQ is high-impedance */
    210 #define	TCIC_IENA_CFG_OD	(1 << 0)	/* IRQ is active low, open drain. */
    211 #define	TCIC_IENA_CFG_LOW	(2 << 0)	/* IRQ is active low, totem pole */
    212 #define	TCIC_IENA_CFG_HIGH	(3 << 0)	/* IRQ is active high, totem pole */
    213 #define	TCIC_IENA_RSVD		0x84		/* reserved bits, MBZ */
    214 
    215 
    216 /*
    217  * Bits in the auxiliary registers
    218  */
    219 
    220 /* Bits in the timing control register (AR_TCTL) */
    221 #define	TCIC_TCTL_6US_SHFT	(0)	/* the shift count for the 6 us ctr */
    222 #define	TCIC_TCTL_10US_SHFT	(8)	/* the shift count for the 10 us ctr */
    223 #define	TCIC_TCTL_6US_MASK	(0xFF << TCIC_TCTL_6US_SHFT)
    224 #define	TCIC_TCTL_10US_MASK	(0xFF << TCIC_TCTL_10US_SHFT)
    225 
    226 #define	TCIC_R_TCTL_6US	(TCIC_R_AUX + 0)	/* the byte access handle */
    227 #define	TCIC_R_TCTL_10US	(TCIC_R_AUX + 1)	/* the byte access handle */
    228 
    229 /* Bits in the programming pulse register (AR_PCTL) */
    230 #define	TCIC_R_PULSE_LO	(TCIC_R_AUX + 0)
    231 #define	TCIC_R_PULSE_HI	(TCIC_R_AUX + 1)
    232 
    233 /* Bits in the wait state control register (AR_WCTL) */
    234 #define	TCIC_WAIT_COUNT_MASK	(0x1F)	/* the count of 1/2 wait states */
    235 #define	TCIC_WAIT_COUNT_SHFT	(0)	/* the wait-count shift */
    236 #define	TCIC_WAIT_SYNC	(1 << 5)	/* set for synch, clear for asynch cycles */
    237 #define	TCIC_WAIT_ASYNC	(0)
    238 
    239 #define	TCIC_WAIT_SENSE	(1 << 6)	/* select rising (1) or falling (0)
    240 					 * edge of wait clock as reference
    241 					 * edge.
    242 					 */
    243 #define	TCIC_WAIT_SRC	(1 << 7)	/* select constant clock (0) or bus
    244 					 * clock (1) as the timing source
    245 					 */
    246 
    247 /* Some derived constants */
    248 #define	TCIC_WAIT_BCLK		(1 * TCIC_WAIT_SRC)
    249 #define	TCIC_WAIT_CCLK		(0 * TCIC_WAIT_SRC)
    250 #define	TCIC_WAIT_RISING	(1 * TCIC_WAIT_SENSE)
    251 #define	TCIC_WAIT_FALLING	(0 * TCIC_WAIT_SENSE)
    252 
    253 /* high byte */
    254 #define	TCIC_WCTL_WR		(1 << 8)	/* control:  pulse write */
    255 #define	TCIC_WCTL_RD		(1 << 9)	/* control:  pulse read */
    256 #define	TCIC_WCTL_CE		(1 << 10)	/* control:  pulse chip ena */
    257 #define	TCIC_WCTL_LLBAT1	(1 << 11)	/* status:  latched LBAT1 */
    258 #define	TCIC_WCTL_LLBAT2	(1 << 12)	/* status:  latched LBAT2 */
    259 #define	TCIC_WCTL_LRDY		(1 << 13)	/* status:  latched RDY */
    260 #define	TCIC_WCTL_LWP		(1 << 14)	/* status:  latched WP */
    261 #define	TCIC_WCTL_LCD		(1 << 15)	/* status:  latched CD */
    262 
    263 /* The same thing, from a byte perspective */
    264 #define	TCIC_R_WCTL_WAIT	(TCIC_R_AUX + 0)	/* the wait state control byte */
    265 #define	TCIC_R_WCTL_XCSR	(TCIC_R_AUX + 1)	/* extended control/status */
    266 
    267 #define	TCIC_XCSR_WR		(1 << 0)	/* control:  pulse write */
    268 #define	TCIC_XCSR_RD		(1 << 1)	/* control:  pulse read */
    269 #define	TCIC_XCSR_CE		(1 << 2)	/* control:  pulse chip ena */
    270 #define	TCIC_XCSR_LLBAT1	(1 << 3)	/* status:  latched LBAT1 */
    271 #define	TCIC_XCSR_LLBAT2	(1 << 4)	/* status:  latched LBAT2 */
    272 #define	TCIC_XCSR_LRDY		(1 << 5)	/* status:  latched RDY */
    273 #define	TCIC_XCSR_LWP		(1 << 6)	/* status:  latched WP */
    274 #define	TCIC_XCSR_LCD		(1 << 7)	/* status:  latched CD */
    275 #define	TCIC_XCSR_STAT_MASK	0xf8
    276 
    277 /* Bits in the programming data register (AR_PDATA) */
    278 #define	TCIC_R_PDATA_LO	(TCIC_R_AUX + 0)
    279 #define	TCIC_R_PDATA_HI	(TCIC_R_AUX + 1)
    280 
    281 /* Bits in the system configuration register (AR_SYSCFG) */
    282 /*
    283  * The bottom four bits specify the steering of the socket IRQ.  On
    284  * the 2N, the socket IRQ is (by default) pointed at the dedicated
    285  * pin.
    286  */
    287 #define	TCIC_SYSCFG_IRQ_MASK		(0xF)	/* mask for this bit field. */
    288 #define	TCIC_SYSCFG_SSIRQDFLT		(0)	/* default:  use SKTIRQ (2/N)
    289 						 *	disable (2/P)
    290 						 */
    291 #define	TCIC_SYSCFG_SSIRQ		(0x1)	/* use SKTIRQ (explicit) (2/N)
    292 						 *	do not use (2/P)
    293 						 */
    294 #define	TCIC_SYSCFG_SIRQ3		(0x3)	/* use IRQ3 */
    295 #define	TCIC_SYSCFG_SIRQ4		(0x4)	/* use IRQ4 */
    296 #define	TCIC_SYSCFG_SIRQ5		(0x5)	/* use IRQ5 (2/N) */
    297 #define	TCIC_SYSCFG_SIRQ6		(0x6)	/* use IRQ6 (2/N) */
    298 #define	TCIC_SYSCFG_SIRQ7		(0x7)	/* use IRQ7 (2/N) */
    299 #define	TCIC_SYSCFG_SIRQ10		(0xA)	/* use IRQ10 */
    300 #define	TCIC_SYSCFG_SIRQ14		(0xE)	/* use IRQ14 */
    301 
    302 #define	TCIC_SYSCFG_MCSFULL	(1 << 4)
    303 	/*
    304 	 * If set, use full address (a[12:23]) for MCS16 generation.
    305 	 * If clear, run in ISA-compatible mode (only using a[17:23]).
    306 	 * With many chip sets, the TCIC-2/N's timing will will allow full
    307 	 * address decoding to be used rather than limiting us to LA[17:23];
    308 	 * thus we can get around the ISA spec which limits the granularity
    309 	 * of bus sizing to 128K blocks.
    310 	 */
    311 #define	TCIC_SYSCFG_IO1723	(1 << 5)
    312 	/*
    313 	 * Flag indicating that LA[17:23] can be trusted to be zero during a
    314 	 * true I/O cycle.  Setting this bit will allow us to reduce power
    315 	 * consumption further by eliminating I/O address broadcasts for
    316 	 * memory cycles.
    317 	 *
    318 	 * Unfortunately, you cannot trust LA[17:23] to be zero on all systems,
    319 	 * because the ISA specs do not require that LA[17:23] be zero when an
    320 	 * alternate bus master runs an I/O cycle.  However, on a palmtop or
    321 	 * notebook, it is a good guess.
    322 	 */
    323 
    324 #define	TCIC_SYSCFG_MCSXB	(1 << 6)
    325 	/*
    326 	 * If set, assume presence of an external buffer for MCS16:  operate
    327 	 * the driver as a totem-pole output.
    328 	 *
    329 	 * If clear, run in pseudo-ISA mode; output is open drain.  But note
    330 	 * that on the 082 the output buffers cannot drive a 300-ohm
    331 	 * load.
    332 	 */
    333 #define	TCIC_SYSCFG_ICSXB	(1 << 7)
    334 	/*
    335 	 * If set, assume presence of an external buffer for IOCS16*; operate
    336 	 * the buffer as a totem-pole output.
    337 	 *
    338 	 * If clear, run in pseudo-ISA mode; output is open drain.  But note
    339 	 * that on the 082 the output buffers cannot drive a 300-ohm
    340 	 * load.
    341 	 */
    342 #define	TCIC_SYSCFG_NOPDN	(1 << 8)
    343 	/*
    344 	 * If set, disable the auto power-down sequencing.  The chip will
    345 	 * run card cycles somewhat more quickly (though perhaps not
    346 	 * significantly so); but it will dissipate significantly more power.
    347 	 *
    348 	 * If clear, the low-power operating modes are enabled.  This
    349 	 * causes the part to go into low-power mode automatically at
    350 	 * system reset.
    351 	 */
    352 #define	TCIC_SYSCFG_MPSEL_SHFT	(9)
    353 #define	TCIC_SYSCFG_MPSEL_MASK	(7 << 9)
    354 	/*
    355 	 * This field controls the operation of the multipurpose pin on the
    356 	 * 86082.  It has the following codes:
    357 	 */
    358 #define	TCIC_SYSCFG_MPSEL_OFF	(0 << TCIC_SYSCFG_MPSEL_SHFT)
    359 	/*
    360 	 * This is the reset state; it indicates that the Multi-purpose
    361 	 * pin is not used.  The pin will be held in a high-impedance
    362 	 * state.  It can be read by monitoring SYSCFG_MPSENSE.
    363 	 */
    364 #define	TCIC_SYSCFG_MPSEL_NEEDCLK	(1 << TCIC_SYSCFG_MPSEL_SHFT)
    365 	/*
    366 	 * NMULTI is an output.
    367 	 * External indication that CCLK or BCLK are needed in order
    368 	 * to complete an internal operation.  External logic can use
    369 	 * this to control the clocks coming to the chip.
    370 	 */
    371 #define	TCIC_SYSCFG_MPSEL_MIO	(2 << TCIC_SYSCFG_MPSEL_SHFT)
    372 	/*
    373 	 * NMULTI is an input; it is an unambiguous M/IO signal, issued
    374 	 * with timing similar to the LA[] lines.
    375 	 */
    376 #define	TCIC_SYSCFG_MPSEL_EXTSEL	(3 << TCIC_SYSCFG_MPSEL_SHFT)
    377 	/*
    378 	 * NMULTI is an output; it is the external register select
    379 	 * pulse, generated whenever software attempts to access
    380 	 * aux register AR_EXTRN. Of course, the 86082 will ignore
    381 	 * writes to AR_EXTRN, and will float the data bus if
    382 	 * the CPU reads from AR_EXTRN.
    383 	*/
    384 
    385 /*				(4 << TCIC_SYSCFG_MPSEL_SHFT)	 is reserved */
    386 
    387 #define	TCIC_SYSCFG_MPSEL_RI	(5 << TCIC_SYSCFG_MPSEL_SHFT)
    388 	/*
    389 	 * NMULTI is an output; it indicates a RI (active-going)
    390 	 * transition has occurred lately on a an appropriately-
    391 	 * configured socket.  The output is active low.
    392 	 */
    393 /*
    394  * Codes 4, 6 and 7 are reserved, and must NOT be output.  It is
    395  * indeed possibly hazardous to your system to encode values in
    396  * this field that do not match your hardware!
    397  */
    398 
    399 /*				1 << 12		reserved */
    400 
    401 #define	TCIC_SYSCFG_MPSENSE	(1 << 13)
    402 	/*
    403 	 * This bit, when read, returns the sense of the multi-purpose pin.
    404 	 */
    405 
    406 #define	TCIC_SYSCFG_AUTOBUSY	(1 << 14)
    407 	/*
    408 	 * This bit, when set, causes the busy led to be gated with the
    409 	 * SYSCFG_ACC bit.  When clear, the busy led reflects whether the
    410 	 * socket is actually enabled.  If AUTOBUSY is set and ACC is clear,
    411 	 * then the busy light will be off, even if a socket is enabled.
    412 	 * If AUTOBUSY is clear, then the busy light will be on if either
    413 	 * socket is enabled.
    414 	 *
    415 	 * Note, that when in a programming mode, you should either clear this
    416 	 * bit (causing the busy light to be on whenever the socket is enabled)
    417 	 * or set both this bit and the ACC bit (causing the light to be on
    418 	 * all the time).
    419 	 *
    420 	 * On the '084 and '184, this bit is per-socket.
    421 	 */
    422 
    423 #define	TCIC_SYSCFG_ACC	(1<<15)
    424 	/*
    425 	 * This bit will be set automatically by the hardware whenever the CPU
    426 	 * accesses data on a card.  It can be cleared under software control.
    427 	 *
    428 	 * In AUTOBUSY mode, it has the additional effect of turning on the
    429 	 * busy light.
    430 	 *
    431 	 * Since we'll tristate the command lines as the card is going out of
    432 	 * the socket, and since the shared lines idle low, there's no real
    433 	 * danger if the busy light is off even though the socket is enabled.
    434 	 *
    435 	 * On the '084 and '184, this bit is per-socket.
    436 	 */
    437 
    438 
    439 /* Bits in the ilock aux. register. */
    440 #define	TCIC_ILOCK_OUT	(1 << 0)	/* interlock output
    441 					 * per-socket on x84
    442 					 */
    443 #define	TCIC_ILOCK_SENSE	(1 << 1)	/* (r/o) interlock sense
    444 						 *  0 -> /cilock not asserted;
    445 						 *  1 -> /cilock is asserted.
    446 						 * per-socket on x84.
    447 						 */
    448 #define	TCIC_ILOCK_CRESET	(1 << 2)	/* card reset output level(S) */
    449 #define	TCIC_ILOCK_CRESENA	(1 << 3)	/* enable card reset output (S) */
    450 #define	TCIC_ILOCK_CWAIT	(1 << 4)	/* enable card wait (S) */
    451 #define	TCIC_ILOCK_CWAITSNS	(1 << 5)	/* (r/o) sense current state of wait
    452 						 *  0 -> /cwait not asserted;
    453 						 *  1 -> /cwait is asserted
    454 						 * (S)
    455 						 */
    456 /* The shift count & mask for the hold-time control */
    457 #define	TCIC_ILOCK_HOLD_SHIFT	6	/* shift count for the hold-time ctl (G) */
    458 #define	TCIC_ILOCK_HOLD_MASK	(3 << TCIC_ILOCK_HOLD_SHIFT)
    459 
    460 /*
    461  * Quick hold mode waits until we observe that the strobe is high,
    462  * guaranteeing 10ns or so of hold time.
    463  */
    464 #define	TCIC_ILOCK_HOLD_QUICK	(0 << TCIC_ILOCK_HOLD_SHIFT)
    465 
    466 /*
    467  * CCLK hold mode waits (asynchronously) for an edge on CCLK.  Minimum is 1
    468  * CCLK + epsilon; maximum is 2 CCLKs + epsilon.
    469  *
    470  * for the 86081 & '82, this mode enables the multi-step
    471  * sequencer that generates setup and hold times based on CCLK.  This
    472  * is the recommended mode of operation for the '81 and '82.
    473  *
    474  */
    475 #define	TCIC_ILOCK_HOLD_CCLK	(3 << TCIC_ILOCK_HOLD_SHIFT)
    476 
    477 /* The following bits are only present on the x84 and later parts */
    478 #define	TCIC_ILOCK_INPACK	(1 << 11)	/* (r/o, S) this bit is a diagnostic
    479 						 * read-back for card input
    480 						 * acknowledge.
    481 						 * The sense is inverted from
    482 						 * the level at the pin.
    483 						 */
    484 #define	TCIC_ILOCK_CP0	(1 << 12)	/* (r/o, S) this bit is a diagnostic
    485 					 * monitor for card present pin 0.
    486 					 * The sense is inverted from the
    487 					 * level at the pin.
    488 					 */
    489 #define	TCIC_ILOCK_CP1	(1 << 13)	/* (r/o, S) this bit is a diagnostic
    490 					 * monitor for card present pin 1.
    491 					 * The sense is inverted from the
    492 					 * level at the pin.
    493 					 */
    494 #define	TCIC_ILOCK_VS1	(1 << 14)	/* (r/o, S) this bit is the primary
    495 					 * monitor for Card Voltage Sense
    496 					 * pin 1.
    497 					 * The sense is inverted from the
    498 					 * level at the pin.
    499 					 */
    500 #define	TCIC_ILOCK_VS2	(1 << 15)	/* (r/o, S) this bit is the primary
    501 					 * monitor for Card Voltage Sense
    502 					 * pin 2.
    503 					 * The sense is inverted from the
    504 					 * level at the pin.
    505 					 */
    506 /*
    507  *	Silicon Version Register
    508  *
    509  * In diagnostic mode, the high byte of the interlock register is defined
    510  * as the silicon identity byte.
    511  *
    512  * In order to read this byte, the chip must be placed in diagnostic
    513  * mode by setting bit 15 of the TESTDIAG register.  (This may or may
    514  * not be enforced by the silicon.)
    515  *
    516  * The layout is:
    517  *
    518  * 	15 14 13 12 11 10 9 8    7 6 5 4 3 2 1 0
    519  * 	m  <-------ID------->	 <----ILOCK---->
    520  *
    521  * The fields are:
    522  *
    523  * m	Always reset.
    524  *
    525  * ID	This field is one of the following:
    526  *
    527  * 	0x02	the db86082
    528  * 	0x03	the db86082a
    529  * 	0x04	the db86084
    530  * 	0x05	the DB86072ES,	(Engineering Sample)
    531  * 	0x07	the db86082bES,	(Engineering Sample)
    532  * 	0x08	the db86084a
    533  * 	0x14	the DB86184
    534  * 	0x15	the DB86072,	(Production)
    535  * 	0x17	the db86082b,	(Production)
    536  */
    537 
    538 /*
    539  * Defines for Chip IDs described above.
    540  *
    541  * Use the following convention for defining TCIC_CHIPID_DBxxxxxY:
    542  *
    543  *	TCIC_CHIPID_DBxxxxx_1		The First step of chip.
    544  *	TCIC_CHIPID_DBxxxxxA		The Second step of chip.
    545  *	TCIC_CHIPID_DBxxxxxB		The Third step of chip.
    546  *	TCIC_CHIPID_DBxxxxx...	The ... step of chip.
    547  *
    548  *	TCIC_CHIPID_DBxxxxx"step of chip"_ES	An Engineering Sample of chip.
    549  *
    550  */
    551 #define	TCIC_CHIPID_DB86082_1		(0x02)
    552 #define	TCIC_CHIPID_DB86082A		(0x03)
    553 #define	TCIC_CHIPID_DB86082B_ES		(0x07)
    554 #define	TCIC_CHIPID_DB86082B		(0x17)
    555 
    556 #define	TCIC_CHIPID_DB86084_1		(0x04)
    557 #define	TCIC_CHIPID_DB86084A		(0x08)
    558 
    559 #define	TCIC_CHIPID_DB86184_1		(0x14)
    560 
    561 #define	TCIC_CHIPID_DB86072_1_ES		(0x05)
    562 #define	TCIC_CHIPID_DB86072_1		(0x15)
    563 
    564 
    565 /* the high order bits (in diag mode) give the chip version */
    566 #define	TCIC_R_ILOCK_ID		(TCIC_R_AUX + 1)
    567 
    568 #define	TCIC_ILOCKTEST_ID_SHFT	8		/* the shift count */
    569 #define	TCIC_ILOCKTEST_ID_MASK	(0x7F << TCIC_ILOCKTEST_ID_SHFT)
    570 						/* the mask for the field */
    571 /*
    572  * Use the following convention for defining TCIC_ILOCKTEST_DBxxxxxY:
    573  *
    574  *	TCIC_ILOCKTEST_DBxxxxx_1	The First step of chip.
    575  *	TCIC_ILOCKTEST_DBxxxxxA	The Second step of chip.
    576  *	TCIC_ILOCKTEST_DBxxxxxB	The Third step of chip.
    577  *	TCIC_ILOCKTEST_DBxxxxx...	The ... step of chip.
    578  *
    579  *	TCIC_ILOCKTEST_DBxxxxx"step of chip"_ES	An Engineering Sample of chip.
    580  *
    581  */
    582 #define	TCIC_ILOCKTEST_TCIC2N_1		((TCIC_CHIPID_DB86082_1) << TCIC_ILOCKTEST_ID_SHFT)
    583 #define	TCIC_ILOCKTEST_DB86082_1	TCIC_ILOCKTEST_TCIC2N_1
    584 #define	TCIC_ILOCKTEST_TCIC2N_2		((TCIC_CHIPID_DB86082A) << TCIC_ILOCKTEST_ID_SHFT)
    585 #define	TCIC_ILOCKTEST_DB86082A		TCIC_ILOCKTEST_TCIC2N_2
    586 #define	TCIC_ILOCKTEST_TCIC2N_3		((TCIC_CHIPID_DB86082B_ES) << TCIC_ILOCKTEST_ID_SHFT)
    587 #define	TCIC_ILOCKTEST_DB86082B_ES	TCIC_ILOCKTEST_TCIC2N_3
    588 
    589 #define	TCIC_ILOCKTEST_DB86082B		((TCIC_CHIPID_DB86082B) << TCIC_ILOCKTEST_ID_SHFT)
    590 
    591 #define	TCIC_ILOCKTEST_DB86084_1	((TCIC_CHIPID_DB86084_1) << TCIC_ILOCKTEST_ID_SHFT)
    592 #define	TCIC_ILOCKTEST_DB86084A		((TCIC_CHIPID_DB86084A) << TCIC_ILOCKTEST_ID_SHFT)
    593 
    594 #define	TCIC_ILOCKTEST_DB86184_1	((TCIC_CHIPID_DB86184_1) << TCIC_ILOCKTEST_ID_SHFT)
    595 
    596 #define	TCIC_ILOCKTEST_DB86072_1	((TCIC_CHIPID_DB86072_1) << TCIC_ILOCKTEST_ID_SHFT)
    597 #define	TCIC_ILOCKTEST_DB86072_1_ES	((TCIC_CHIPID_DB86072_1_ES) << TCIC_ILOCKTEST_ID_SHFT)
    598 
    599 
    600 /* Bits in the test control register (AR_TEST) */
    601 #define	TCIC_R_TEST	(TCIC_R_AUX + 0)
    602 #define	TCIC_TEST_AEN	(1 << 0)	/* force card AEN */
    603 #define	TCIC_TEST_CEN	(1 << 1)	/* force card CEN */
    604 #define	TCIC_TEST_CTR	(1 << 2)	/* test programming pulse, address ctrs */
    605 #define	TCIC_TEST_ENA	(1 << 3)	/* force card-present (for test), and
    606 					 * special VPP test mode
    607 					 */
    608 #define	TCIC_TEST_IO	(1 << 4)	/* feed back some I/O signals
    609 					 * internally.
    610 					 */
    611 #define	TCIC_TEST_OUT1	(1 << 5)	/* force special address output mode */
    612 #define	TCIC_TEST_ZPB	(1 << 6)	/* enter ZPB test mode */
    613 #define	TCIC_TEST_WAIT	(1 << 7)	/* force-enable WAIT pin */
    614 #define	TCIC_TEST_PCTR	(1 << 8)	/* program counter in read-test mode */
    615 #define	TCIC_TEST_VCTL	(1 << 9)	/* force-enable power-supply controls */
    616 #define	TCIC_TEST_EXTA	(1 << 10)	/* external access doesn't override
    617 					|| internal decoding.
    618 					*/
    619 #define	TCIC_TEST_DRIVECDB	(1 << 11)	/* drive the card data bus all the time */
    620 #define	TCIC_TEST_ISTP	(1 << 12)	/* turn off CCLK to the interrupt CSR */
    621 #define	TCIC_TEST_BSTP	(1 << 13)	/* turn off BCLK internal to the chip */
    622 #define	TCIC_TEST_CSTP	(1 << 14)	/* turn off CCLK except to int CSR */
    623 #define	TCIC_TEST_DIAG	(1 << 15)	/* enable diagnostic read-back mode */
    624 
    625 /* Bits in the SCF1 register */
    626 #define	TCIC_SCF1_IRQ_MASK	(0xF)	/* mask for this bit field */
    627 #define	TCIC_SCF1_IRQOFF	(0)	/* disable */
    628 #define	TCIC_SCF1_SIRQ		(0x1)	/* use SKTIRQ (2/N) */
    629 #define	TCIC_SCF1_IRQ3		(0x3)	/* use IRQ3 */
    630 #define	TCIC_SCF1_IRQ4		(0x4)	/* use IRQ4 */
    631 #define	TCIC_SCF1_IRQ5		(0x5)	/* use IRQ5 */
    632 #define	TCIC_SCF1_IRQ6		(0x6)	/* use IRQ6 */
    633 #define	TCIC_SCF1_IRQ7		(0x7)	/* use IRQ7 */
    634 #define	TCIC_SCF1_IRQ9		(0x9)	/* use IRQ9 */
    635 #define	TCIC_SCF1_IRQ10		(0xA)	/* use IRQ10 */
    636 #define	TCIC_SCF1_IRQ11		(0xB)	/* use IRQ11 */
    637 #define	TCIC_SCF1_IRQ12		(0xC)	/* use IRQ12 */
    638 #define	TCIC_SCF1_IRQ14		(0xE)	/* use IRQ14 */
    639 #define	TCIC_SCF1_IRQ15		(0xF)	/* use IRQ15 */
    640 
    641 /* XXX doc bug? -chb */
    642 #define	TCIC_SCF1_IRQOD		(1 << 4)
    643 #define	TCIC_SCF1_IRQOC		(0)		/* selected IRQ is
    644 						 * open-collector, and active
    645 						 * low; otherwise it's totem-
    646 						 * pole and active hi.
    647 						 */
    648 #define	TCIC_SCF1_PCVT		(1 << 5)	/* convert level-mode IRQ
    649 						 * to pulse mode, or stretch
    650 						 * pulses from card.
    651 						 */
    652 #define	TCIC_SCF1_IRDY		(1 << 6)	/* interrupt from RDY (not
    653 						 * from /IREQ).  Used with
    654 						 * ATA drives.
    655 						 */
    656 #define	TCIC_SCF1_ATA		(1 << 7)	/* Special ATA drive mode.
    657 						 * CEL/H become CE1/2 in
    658 						 * the IDE sense; CEL is
    659 						 * activated for even window
    660 						 * matches, and CEH for
    661 						 * odd window matches.
    662 						 */
    663 #define	TCIC_SCF1_DMA_SHIFT	8		/* offset to DMA selects; */
    664 #define	TCIC_SCF1_DMA_MASK	(0x7 << IRSCFG_DMA_SHIFT)
    665 
    666 #define	TCIC_SCF1_DMAOFF	(0 << IRSCFG_DMA_SHIFT)	/* disable DMA */
    667 #define	TCIC_SCF1_DREQ2		(2 << IRSCFG_DMA_SHIFT)	/* enable DMA on DRQ2 */
    668 
    669 #define	TCIC_SCF1_IOSTS		(1 << 11)	/* enable I/O status mode;
    670 						 *  allows CIORD/CIOWR to
    671 						 *  become low-Z.
    672 						 */
    673 #define	TCIC_SCF1_SPKR		(1 << 12)	/* enable SPKR output from
    674 						 * this card
    675 						 */
    676 #define	TCIC_SCF1_FINPACK	(1 << 13)	/* force card input
    677 						 * acknowledge during I/O
    678 						 * cycles.  Has no effect
    679 						 * if no windows map to card
    680 						 */
    681 #define	TCIC_SCF1_DELWR		(1 << 14)	/* force -all- data to
    682 						 * meet 60ns setup time
    683 						 * ("DELay WRite")
    684 						 */
    685 #define	TCIC_SCF1_HD7IDE	(1 << 15)	/* Enable special IDE
    686 						 * data register mode:  odd
    687 						 * byte addresses in odd
    688 						 * I/O windows will not
    689 						 * drive HD7.
    690 						 */
    691 
    692 /* Bits in the scrf2 register */
    693 #define	TCIC_SCF2_RI	(1 << 0)		/* enable RI pin from STSCHG
    694 						 * (2/N)
    695 						 `*/
    696 #define	TCIC_SCF2_IDBR	(1 << 1)		/* force I/O data bus routing
    697 						 * for this socket, regardless
    698 						 * of cycle type. (2/N)
    699 						 `*/
    700 #define	TCIC_SCF2_MDBR	(1 << 2)		/* force memory window data
    701 						 * bus routing for this
    702 						 * socket, regardless of cycle
    703 						 * type. (2/N)
    704 						 */
    705 #define	TCIC_SCF2_MLBAT1	(1 << 3)	/* disable status change
    706 						 * ints from LBAT1 (or
    707 						 * "STSCHG"
    708 						 */
    709 #define	TCIC_SCF2_MLBAT2	(1 << 4)	/* disable status change
    710 						 * ints from LBAT2 (or "SPKR")
    711 						 */
    712 #define	TCIC_SCF2_MRDY	(1 << 5)		/* disable status change ints
    713 						 * from RDY/BSY (or /IREQ).
    714 						 * note that you get ints on
    715 						 * both high- and low-going
    716 						 * edges if this is enabled.
    717 						 */
    718 #define	TCIC_SCF2_MWP	(1 << 6)		/* disable status-change ints
    719 						 * from WP (or /IOIS16).
    720 						 * If you're using status
    721 						 * change ints, you better set
    722 						 * this once an I/O window is
    723 						 * enabled, before accessing
    724 						 * it.
    725 						 */
    726 #define	TCIC_SCF2_MCD	(1 << 7)		/* disable status-change ints
    727 						 * from Card Detect.
    728 						 */
    729 
    730 /*
    731  * note that these bits match the top 5 bits of the socket status register
    732  * in order and sense.
    733  */
    734 #define	TCIC_SCF2_DMASRC_MASK	(0x3 << 8)	/* mask for this bit field */
    735 						/*-- DMA Source --*/
    736 #define	TCIC_SCF2_DRQ_BVD2	(0x0 << 8)	/*     BVD2       */
    737 #define	TCIC_SCF2_DRQ_IOIS16	(0x1 << 8)	/*     IOIS16     */
    738 #define	TCIC_SCF2_DRQ_INPACK	(0x2 << 8)	/*     INPACK     */
    739 #define	TCIC_SCF2_DRQ_FORCE	(0x3 << 8)	/*     Force it   */
    740 
    741 #define	TCIC_SCFS2_RSVD		(0xFC00)	/* top 6 bits are RFU */
    742 
    743 /* Bits in the MBASE window registers */
    744 #define	TCIC_MBASE_4K		(1 << 14)	/* window size  is 4K */
    745 #define	TCIC_MBASE_ADDR_MASK	0x0fff		/* bits holding the address */
    746 
    747 /* Bits in the MMAP window registers */
    748 #define	TCIC_MMAP_ATTR		(1 << 15)	/* map attr or common space */
    749 #define	TCIC_MMAP_ADDR_MASK	0x3fff		/* bits holding the address */
    750 
    751 /* Bits in the MCTL window registers */
    752 #define	TCIC_MCTL_ENA		(1 << 15)	/* enable this window */
    753 #define	TCIC_MCTL_SS_SHIFT	12
    754 #define	TCIC_MCTL_SS_MASK	(7 << TCIC_MCTL_SS_SHIFT) /* which socket does this window map to */
    755 #define	TCIC_MCTL_B8		(1 << 11)	/* 8/16 bit access select */
    756 #define	TCIC_MCTL_EDC		(1 << 10)	/* do EDC calc. on access */
    757 #define	TCIC_MCTL_KE		(1 << 9)	/* accesses are cacheable */
    758 #define	TCIC_MCTL_ACC		(1 << 8)	/* window has been accessed */
    759 #define	TCIC_MCTL_WP		(1 << 7)	/* window is write protected */
    760 #define	TCIC_MCTL_QUIET		(1 << 6)	/* enable quiet socket mode */
    761 #define	TCIC_MCTL_WSCNT_MASK	0x0f		/* wait state counter */
    762 
    763 /* Bits in the ICTL window registers */
    764 #define	TCIC_ICTL_ENA		(1 << 15)	/* enable this window */
    765 #define	TCIC_ICTL_SS_SHIFT	12
    766 #define	TCIC_ICTL_SS_MASK	(7 << TCIC_ICTL_SS_SHIFT) /* which socket does this window map to */
    767 #define	TCIC_ICTL_AUTOSZ	0		/* auto size 8/16 bit acc. */
    768 #define	TCIC_ICTL_B8		(1 << 11)	/* all accesses 8 bit */
    769 #define	TCIC_ICTL_B16		(1 << 10)	/* all accesses 16 bit */
    770 #define	TCIC_ICTL_ATA		(3 << 10)	/* special ATA mode */
    771 #define	TCIC_ICTL_TINY		(1 << 9)	/* window size 1 byte */
    772 #define	TCIC_ICTL_ACC		(1 << 8)	/* window has been accessed */
    773 #define	TCIC_ICTL_1K		(1 << 7)	/* only 10 bits io decoding */
    774 #define	TCIC_ICTL_QUIET		(1 << 6)	/* enable quiet socket mode */
    775 #define	TCIC_ICTL_PASS16	(1 << 5)	/* pass all 16 bits to card */
    776 #define	TCIC_ICTL_WSCNT_MASK	0x0f		/* wait state counter */
    777 
    778 /* Various validity tests */
    779 /*
    780  * From Databook sample source:
    781  * MODE_AR_SYSCFG must have, with j = ***read*** (***, R_AUX)
    782  * and k = (j>>9)&7:
    783  *	if (k&4) k == 5
    784  *	And also:
    785  *	j&0x0f is none of 2, 8, 9, b, c, d, f
    786  *		if (j&8) must have (j&3 == 2)
    787  *		Can't have j==2
    788  */
    789 #if 0
    790 /* this is from the Databook sample code and apparently is wrong */
    791 #define	INVALID_AR_SYSCFG(x)	((((x)&0x1000) && (((x)&0x0c00) != 0x0200)) \
    792 				|| (((((x)&0x08) == 0) || (((x)&0x03) == 2)) \
    793 				&& ((x) != 0x02)))
    794 #else
    795 #define	INVALID_AR_SYSCFG(x)	((((x)&0x0800) && (((x)&0x0600) != 0x0100)) \
    796 				|| ((((((x)&0x08) == 0) && (((x)&0x03) == 2)) \
    797 				    || (((x)&0x03) == 2)) \
    798 				&& ((x) != 0x02)))
    799 #endif
    800 /* AR_ILOCK must have bits 6 and 7 the same: */
    801 #define	INVALID_AR_ILOCK(x)	(((x)&0xc0)==0 || (((x)&0xc0)==0xc0))
    802 
    803 /* AR_TEST has some reserved bits: */
    804 #define	INVALID_AR_TEST(x)	(((x)&0154) != 0)
    805 
    806 
    807 #define	TCIC_IO_WINS	2
    808 #define	TCIC_MAX_MEM_WINS	5
    809 
    810 /*
    811  * Memory window addresses refer to bits A23-A12 of the ISA system memory
    812  * address.  This is a shift of 12 bits.  The LSB contains A19-A12, and the
    813  * MSB contains A23-A20, plus some other bits.
    814  */
    815 
    816 #define	TCIC_MEM_SHIFT	12
    817 #define	TCIC_MEM_PAGESIZE	(1<<TCIC_MEM_SHIFT)
    818 
    819 #endif	/* _TCIC2REG_H */
    820