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tsreg.h revision 1.8
      1 /* $NetBSD: tsreg.h,v 1.8 2020/09/23 00:46:17 thorpej Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 1999 by Ross Harvey.  All rights reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  * 3. All advertising materials mentioning features or use of this software
     15  *    must display the following acknowledgement:
     16  *	This product includes software developed by Ross Harvey.
     17  * 4. The name of Ross Harvey may not be used to endorse or promote products
     18  *    derived from this software without specific prior written permission.
     19  *
     20  * THIS SOFTWARE IS PROVIDED BY ROSS HARVEY ``AS IS'' AND ANY EXPRESS
     21  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     22  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURP0SE
     23  * ARE DISCLAIMED.  IN NO EVENT SHALL ROSS HARVEY BE LIABLE FOR ANY
     24  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     30  * SUCH DAMAGE.
     31  *
     32  */
     33 
     34 /*
     35  * 21272 Core Logic registers and constants.
     36  */
     37 
     38 #define	tsreg() { Generate ctags(1) key. }
     39 
     40 /*
     41  * Superpage pointer from physical address.
     42  */
     43 #define	S_PAGE(phys) ((void *)ALPHA_PHYS_TO_K0SEG(phys))
     44 
     45 /*
     46  * {LD,ST}QP: LoaD and STore Quad Physical
     47  */
     48 #define	LDQP(a)	(*(volatile long *)ALPHA_PHYS_TO_K0SEG(a))
     49 #define	STQP(a) LDQP(a)
     50 
     51 /*
     52  * Define extraction functions for bit fields via length and left,right bitno
     53  */
     54 #define	TSFIELD(r,offs,len) (((r) >> (offs)) & (~0UL >> (64 - (len))))
     55 #define	TSFIELDBB(r,lb,rb) TSFIELD((r), (rb), (lb) - (rb) + 1)
     56 
     57 /*
     58  * EV6 has a new superpage which can pass through 44 address bits.  (Umm, a
     59  * superduperpage?) But, the firmware doesn't turn it on, so we use the old
     60  * one and let the HW sign extend va/pa<40> to get us the pa<43> that makes
     61  * the needed I/O space access. This is just as well; it means we don't have
     62  * to worry about which GENERIC code might get called on other CPU models.
     63  *
     64  *	E.g., we want this:	      0x0801##a000##0000
     65  *	We use this:		      0x0101##a000##0000
     66  *	...mix in the old SP:	0xffff##fc00##0000##0000
     67  *	...after PA sign ext:	0xffff##ff00##a000##0000
     68  *	(PA<42:41> ignored)
     69  */
     70 
     71 /*
     72  * This hack allows us to map the I/O address space without using
     73  * the KSEG sign extension hack.
     74  */
     75 #define	TS_PHYSADDR(x)							\
     76 	(((x) & ~0x0100##0000##0000) | 0x0800##0000##0000)
     77 
     78 /*
     79  * Cchip CSR Map
     80  */
     81 
     82 #define TS_C_CSC	0x101##a000##0000UL	/* Cchip System Configuration */
     83 
     84 #	define	CSC_P1P		(1L << 14)
     85 #	define	CSC_BC(r)	TSFIELD((r), 0, 2)
     86 #	define	CSC_AW		(1L << 8)
     87 
     88 #define TS_C_MTR	0x101##a000##0040UL
     89 
     90 #define TS_C_MISC	0x101##a000##0080UL	/* Miscellaneous Register */
     91 
     92 #	define	MISC_NXM(r)	TSFIELD((r), 28, 1)
     93 #	define	MISC_NXM_SRC(r)	TSFIELD((r), 29, 3)
     94 #	define	MISC_REV(r)	TSFIELD((r), 39, 8)
     95 
     96 #define TS_C_MPD	0x101##a000##00c0UL
     97 
     98 #	define	MPD_DR	0x08	/* RO: Data receive */
     99 #	define	MPD_CKR	0x04	/* RO: Clock receive */
    100 #	define	MPD_DS	0x02	/* WO: Data send - Must be a 1 to receive */
    101 #	define	MPD_CKS	0x01	/* WO: Clock send */
    102 
    103 #define TS_C_AAR0	0x101##a000##0100UL
    104 #define TS_C_AAR1	0x101##a000##0140UL
    105 #define TS_C_AAR2	0x101##a000##0180UL
    106 #define TS_C_AAR3	0x101##a000##01c0UL
    107 
    108 #	define	AAR_ASIZ(r)	TSFIELD((r), 12, 4)
    109 #	define	AAR_SPLIT	(1L << 8)
    110 
    111 #define TS_C_DIM0	0x101##a000##0200UL
    112 #define TS_C_DIM1	0x101##a000##0240UL
    113 #define TS_C_DIR0	0x101##a000##0280UL
    114 #define TS_C_DIR1	0x101##a000##02c0UL
    115 #define TS_C_DRIR	0x101##a000##0300UL
    116 #define TS_C_PRBEN	0x101##a000##0340UL
    117 #define TS_C_IIC0	0x101##a000##0380UL
    118 #define TS_C_IIC1	0x101##a000##03c0UL
    119 #define TS_C_MPR0	0x101##a000##0400UL
    120 #define TS_C_MPR1	0x101##a000##0440UL
    121 #define TS_C_MPR2	0x101##a000##0480UL
    122 #define TS_C_MPR3	0x101##a000##04c0UL
    123 #define TS_C_MCTL	0x101##a000##0500UL
    124 
    125 #define TS_C_TTR	0x101##a000##0580UL
    126 #define TS_C_TDR	0x101##a000##05c0UL
    127 #define TS_C_DIM2	0x101##a000##0600UL
    128 #define TS_C_DIM3	0x101##a000##0640UL
    129 #define TS_C_DIR2	0x101##a000##0680UL
    130 #define TS_C_DIR3	0x101##a000##06c0UL
    131 #define TS_C_IIC2	0x101##a000##0700UL
    132 #define TS_C_IIC3	0x101##a000##0740UL
    133 
    134 /*
    135  * Dchip CSR Map
    136  */
    137 
    138 #define TS_D_DSC	0x101##b000##0800UL
    139 #define TS_D_STR	0x101##b000##0840UL
    140 #define TS_D_DREV	0x101##b000##0880UL
    141 #define TS_D_DSC2	0x101##b000##08c0UL
    142 
    143 /*
    144  * Pchip CSR Offsets
    145  */
    146 
    147 #define P_WSBA0		0x0000
    148 #define P_WSBA1		0x0040
    149 #define P_WSBA2		0x0080
    150 #define P_WSBA3		0x00c0
    151 
    152 #	define	WSBA_ADDR(r) (TSFIELDBB((r), 31, 20) << 20)
    153 #	define	WSBA_SG	     2
    154 #	define	WSBA_ENA     1
    155 
    156 #define P_WSM0		0x0100
    157 #define P_WSM1		0x0140
    158 #define P_WSM2		0x0180
    159 #define P_WSM3		0x01c0
    160 
    161 #	define	WSM_AM(r)    TSFIELDBB((r), 31, 20)
    162 #	define	WSM_LEN(r)   ((WSM_AM(r) + 1) << 20)
    163 
    164 #define P_TBA0		0x0200
    165 #define P_TBA1		0x0240
    166 #define P_TBA2		0x0280
    167 #define P_TBA3		0x02c0
    168 
    169 #define P_PCTL		0x0300
    170 #define P_PLAT		0x0340
    171 	/* reserved	0x0380 */
    172 #define P_PERROR	0x03c0
    173 
    174 #	define	PER_ERR(r)	TSFIELD((r),  0, 12)
    175 #	define	PER_ECC(r)	TSFIELD((r), 10, 2)
    176 #	define	PER_SADR(r)	TSFIELD((r), 16, 34)
    177 #	define	PER_PADR(r)	(TSFIELD((r), 18, 32) << 2)
    178 #	define	PER_TRNS(r)	TSFIELD((r), 16, 2)
    179 #	define	PER_INV(r)	TSFIELD((r), 51, 1)
    180 #	define	PER_CMD(r)	TSFIELD((r), 52, 4)
    181 #	define	PER_SYN(r)	TSFIELD((r), 56, 8)
    182 
    183 #define P_PERRMASK	0x0400
    184 #define P_PERRSET	0x0440
    185 #define P_TLBIV		0x0480
    186 #define P_TLBIA		0x04c0
    187 
    188 #define P_PMONCTL	0x0500
    189 #define P_PMONCNT	0x0540
    190 
    191 #define P_SPRST		0x0800
    192 
    193 #define	TS_STEP		0x40
    194 
    195 /*
    196  * Pchip I/O offsets
    197  */
    198 
    199 #define	P_CSRBASE	 0x001##8000##0000UL
    200 #define	P_PCI_MEM	 0x800##0000##0000UL
    201 #define	P_PCI_IO	 0x001##fc00##0000UL
    202 #define	P_PCI_CONFIG	 0x001##fe00##0000UL
    203 
    204 /*
    205  * Construct EV6 I/O Space Address for Pchip 0 and Pchip 1.
    206  */
    207 
    208 #define	TS_P0(offs)	(0x100##0000##0000UL + (offs))
    209 #define	TS_P1(offs)	(0x102##0000##0000UL + (offs))
    210 #define	TS_Pn(n, offs)	(0x100##0000##0000UL + 0x2##0000##0000UL * (n) + (offs))
    211 
    212 /*
    213  * Tsunami Generic Register Type
    214  */
    215 typedef struct _ts_gr {
    216 	volatile uint64_t tsg_r;
    217 	long	tsg_deadspace[7];
    218 } TS_GR;
    219 
    220 /*
    221  * Tsunami Pchip
    222  */
    223 struct	ts_pport {
    224 	TS_GR	tsp_resA;
    225 	TS_GR	tsp_error;	/* Pchip Error */
    226 
    227 	TS_GR	tsp_perrmask;	/* Pchip Error Mask */
    228 	TS_GR	tsp_perrset;	/* Pchip Error Set */
    229 	TS_GR	tsp_tlbiv;	/* Translation Buffer Invalidate Virtual */
    230 	TS_GR	tsp_tlbia;	/* Translation Buffer Invalidate All */
    231 
    232 	TS_GR	tsp_pmonctl;	/* PChip Monitor Control */
    233 	TS_GR	tsp_pmoncnt;	/* PChip Monitor Counters */
    234 	TS_GR	tsp_resB;
    235 	TS_GR	tsp_resC;
    236 
    237 	TS_GR	tsp_resD_K[8];
    238 };
    239 
    240 struct	ts_gport {
    241 	TS_GR	tsp_resA[2];
    242 	TS_GR	tsp_serror;
    243 	TS_GR	tsp_serrmask;
    244 	TS_GR	tsp_serrset;
    245 	TS_GR	tsp_resB;
    246 	TS_GR	tsp_gperrmask;
    247 	TS_GR	tsp_gperren;
    248 	TS_GR	tsp_gperrset;
    249 	TS_GR	tsp_resC;
    250 	TS_GR	tsp_tlbiv;
    251 	TS_GR	tsp_tlbia;
    252 	TS_GR	tsp_resD[2];
    253 	TS_GR	tsp_sctl;
    254 	TS_GR	tsp_resE[3];
    255 };
    256 
    257 struct	ts_aport {
    258 	TS_GR	tsp_resA[2];
    259 	TS_GR	tsp_agperror;
    260 	TS_GR	tsp_agperrmask;
    261 	TS_GR	tsp_agperrset;
    262 	TS_GR	tsp_agplastwr;
    263 	TS_GR	tsp_aperror;
    264 	TS_GR	tsp_aperrmask;
    265 	TS_GR	tsp_aperrset;
    266 	TS_GR	tsp_resB;
    267 	TS_GR	tsp_tlbiv;
    268 	TS_GR	tsp_tlbia;
    269 	TS_GR	tsp_resC[6];
    270 };
    271 
    272 struct	ts_pchip {
    273 	TS_GR	tsp_wsba[4];	/* Window Space Base Address */
    274 
    275 	TS_GR	tsp_wsm[4];	/* Window Space Mask */
    276 
    277 	TS_GR	tsp_tba[4];	/* Translated Base Address */
    278 
    279 	TS_GR	tsp_pctl;	/* Pchip Control */
    280 	TS_GR	tsp_plat;	/* Pchip Latency */
    281 
    282 	union {
    283 		struct ts_pport	p;
    284 		struct ts_gport	g;
    285 		struct ts_aport	a;
    286 	} port;
    287 
    288 	TS_GR	tsp_sprts;	/* ??? */
    289 	TS_GR   tsp_res[31];
    290 };
    291