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      1 /* $NetBSD: apecsreg.h,v 1.8 2012/02/06 02:14:14 matt Exp $ */
      2 
      3 /*
      4  * Copyright (c) 1995 Carnegie-Mellon University.
      5  * All rights reserved.
      6  *
      7  * Author: Chris G. Demetriou
      8  *
      9  * Permission to use, copy, modify and distribute this software and
     10  * its documentation is hereby granted, provided that both the copyright
     11  * notice and this permission notice appear in all copies of the
     12  * software, derivative works or modified versions, and any portions
     13  * thereof, and that both notices appear in supporting documentation.
     14  *
     15  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
     16  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
     17  * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
     18  *
     19  * Carnegie Mellon requests users of this software to return to
     20  *
     21  *  Software Distribution Coordinator  or  Software.Distribution (at) CS.CMU.EDU
     22  *  School of Computer Science
     23  *  Carnegie Mellon University
     24  *  Pittsburgh PA 15213-3890
     25  *
     26  * any improvements or extensions that they make and grant Carnegie the
     27  * rights to redistribute these changes.
     28  */
     29 
     30 /*
     31  * APECS Chipset registers and constants.
     32  *
     33  * Taken from ``DECchip 21071 and DECchip 21072 Core Logic Chipsets Data
     34  * Sheet'' (DEC order number EC-QAEMA-TE), pages 4-1 - 4-27, 10-21 - 10-38.
     35  */
     36 
     37 #define	REGVAL(r)	(*(volatile int32_t *)ALPHA_PHYS_TO_K0SEG(r))
     38 
     39 /*
     40  * Base addresses
     41  */
     42 #define	COMANCHE_BASE	 0x180000000L			/* 21071-CA Regs */
     43 #define	EPIC_BASE	 0x1a0000000L			/* 21071-DA Regs */
     44 #define	APECS_PCI_IACK	 0x1b0000000L			/* PCI Int. Ack. */
     45 #define	APECS_PCI_SIO	 0x1c0000000L			/* PCI Sp. I/O Space */
     46 #define	APECS_PCI_CONF	 0x1e0000000L			/* PCI Conf. Space */
     47 #define	APECS_PCI_SPARSE 0x200000000L			/* PCI Sparse Space */
     48 #define	APECS_PCI_DENSE	 0x300000000L			/* PCI Dense Space */
     49 
     50 
     51 /*
     52  * 21071-CA Registers
     53  */
     54 
     55 /*
     56  * 21071-CA General Registers
     57  */
     58 #define	COMANCHE_GCR	(COMANCHE_BASE + 0x0000)	/* General Control */
     59 #define		COMANCHE_GCR_RSVD	0xc009
     60 #define		COMANCHE_GCR_SYSARB	0x0006
     61 #define		COMANCHE_GCR_WIDEMEM	0x0010
     62 #define		COMANCHE_GCR_BC_EN	0x0020
     63 #define		COMANCHE_GCR_BC_NOALLOC	0x0040
     64 #define		COMANCHE_GCR_BC_LONGWR	0x0080
     65 #define		COMANCHE_GCR_BC_IGNTAG	0x0100
     66 #define		COMANCHE_GCR_BC_FRCTAG	0x0200
     67 #define		COMANCHE_GCR_BC_FRCD	0x0400
     68 #define		COMANCHE_GCR_BC_FRCV	0x0800
     69 #define		COMANCHE_GCR_BC_FRCP	0x1000
     70 #define		COMANCHE_GCR_BC_BADAP	0x2000
     71 
     72 #define	COMANCHE_RSVD	(COMANCHE_BASE + 0x0020)	/* Reserved */
     73 
     74 #define	COMANCHE_ED	(COMANCHE_BASE + 0x0040)	/* Err & Diag Status */
     75 #define		COMANCHE_ED_LOSTERR	0x0001
     76 #define		COMANCHE_ED_BC_TAPERR	0x0002
     77 #define		COMANCHE_ED_BC_TCPERR	0x0004
     78 #define		COMANCHE_ED_NXMERR	0x0008
     79 #define		COMANCHE_ED_DMACAUSE	0x0010
     80 #define		COMANCHE_ED_VICCAUSE	0x0020
     81 #define		COMANCHE_ED_CREQCAUSE	0x01c0
     82 #define		COMANCHE_ED_RSVD	0x1e00
     83 #define		COMANCHE_ED_PASS2	0x2000
     84 #define		COMANCHE_ED_IDXLLOCK	0x4000
     85 #define		COMANCHE_ED_WRPEND	0x8000
     86 
     87 #define	COMANCHE_TAGENB	(COMANCHE_BASE + 0x0060)	/* Tag Enable */
     88 #define		COMANCHE_TAGENB_RSVD	0x0001
     89 
     90 #define		COMANCHE_TAGENB_C_4G	0x0000
     91 #define		COMANCHE_TAGENB_C_2G	0x8000
     92 #define		COMANCHE_TAGENB_C_1G	0xc000
     93 #define		COMANCHE_TAGENB_C_512M	0xe000
     94 #define		COMANCHE_TAGENB_C_256M	0xf000
     95 #define		COMANCHE_TAGENB_C_128M	0xf800
     96 #define		COMANCHE_TAGENB_C_64M	0xfc00
     97 #define		COMANCHE_TAGENB_C_32M	0xfe00
     98 #define		COMANCHE_TAGENB_C_16M	0xff00
     99 #define		COMANCHE_TAGENB_C_8M	0xff80
    100 #define		COMANCHE_TAGENB_C_4M	0xffc0
    101 #define		COMANCHE_TAGENB_C_2M	0xffe0
    102 #define		COMANCHE_TAGENB_C_1M	0xfff0
    103 #define		COMANCHE_TAGENB_C_512K	0xfff8
    104 #define		COMANCHE_TAGENB_C_256K	0xfffc
    105 #define		COMANCHE_TAGENB_C_128K	0xfffe
    106 
    107 #define		COMANCHE_TAGENB_M_4G	0xffff
    108 #define		COMANCHE_TAGENB_M_2G	0x7fff
    109 #define		COMANCHE_TAGENB_M_1G	0x3fff
    110 #define		COMANCHE_TAGENB_M_512M	0x1fff
    111 #define		COMANCHE_TAGENB_M_256M	0x0fff
    112 #define		COMANCHE_TAGENB_M_128M	0x07ff
    113 #define		COMANCHE_TAGENB_M_64M	0x03ff
    114 #define		COMANCHE_TAGENB_M_32M	0x01ff
    115 #define		COMANCHE_TAGENB_M_16M	0x00ff
    116 #define		COMANCHE_TAGENB_M_8M	0x007f
    117 #define		COMANCHE_TAGENB_M_4M	0x003f
    118 #define		COMANCHE_TAGENB_M_2M	0x001f
    119 #define		COMANCHE_TAGENB_M_1M	0x000e
    120 #define		COMANCHE_TAGENB_M_512K	0x0006
    121 #define		COMANCHE_TAGENB_M_256K	0x0002
    122 #define		COMANCHE_TAGENB_M_128K	0x0000
    123 
    124 #define	COMANCHE_ERR_LO	(COMANCHE_BASE + 0x0080)	/* Error Low Address */
    125 
    126 #define	COMANCHE_ERR_HI	(COMANCHE_BASE + 0x00a0)	/* Error High Address */
    127 #define		COMANCHE_ERR_HI_RSVD	0xe000
    128 
    129 #define	COMANCHE_LCK_LO	(COMANCHE_BASE + 0x00c0)	/* LDx_L Low Address */
    130 
    131 #define	COMANCHE_LCK_HI	(COMANCHE_BASE + 0x00e0)	/* LDx_L High Address */
    132 #define		COMANCHE_LOCK_HI_RSVD	0xe000
    133 
    134 /*
    135  * 21071-CA Memory Registers
    136  */
    137 #define	COMANCHE_GTIM	(COMANCHE_BASE + 0x0200)	 /* Global Timing */
    138 #define		COMANCHE_LOCK_HI_RSVD	0xe000
    139 
    140 #define	COMANCHE_RTIM	(COMANCHE_BASE + 0x0220)	 /* Refresh Timing */
    141 
    142 #define	COMANCHE_VFP	(COMANCHE_BASE + 0x0240)	 /* Video Frame Ptr. */
    143 #define		COMANCHE_VFP_COL	0x001f
    144 #define		COMANCHE_VFP_ROW	0x3fe0
    145 #define		COMANCHE_VFP_SUBBANK	0x4000
    146 #define		COMANCHE_VFP_RSVD	0x8000
    147 
    148 #define	COMANCHE_PD_LO	(COMANCHE_BASE + 0x0260)	/* Pres Detect Low */
    149 
    150 #define	COMANCHE_PD_HI	(COMANCHE_BASE + 0x0280)	/* Pres Detect High */
    151 
    152 /*
    153  * 21071-CA Memory banks' Base Address Register format
    154  */
    155 #define	COMANCHE_B0_BAR	(COMANCHE_BASE + 0x0800)	/* Bank 0 BA */
    156 #define	COMANCHE_B1_BAR	(COMANCHE_BASE + 0x0820)	/* Bank 1 BA */
    157 #define	COMANCHE_B2_BAR	(COMANCHE_BASE + 0x0840)	/* Bank 2 BA */
    158 #define	COMANCHE_B3_BAR	(COMANCHE_BASE + 0x0860)	/* Bank 3 BA */
    159 #define	COMANCHE_B4_BAR	(COMANCHE_BASE + 0x0880)	/* Bank 4 BA */
    160 #define	COMANCHE_B5_BAR	(COMANCHE_BASE + 0x08a0)	/* Bank 5 BA */
    161 #define	COMANCHE_B6_BAR	(COMANCHE_BASE + 0x08c0)	/* Bank 6 BA */
    162 #define	COMANCHE_B7_BAR	(COMANCHE_BASE + 0x08e0)	/* Bank 7 BA */
    163 #define	COMANCHE_B8_BAR	(COMANCHE_BASE + 0x0900)	/* Bank 8 BA */
    164 #define		COMANCHE_BAR_RSVD	0x001f
    165 
    166 /*
    167  * 21071-CA Memory banks' Configuration Register format
    168  */
    169 #define	COMANCHE_B0_CR	(COMANCHE_BASE + 0x0a00)	/* Bank 0 Config */
    170 #define	COMANCHE_B1_CR	(COMANCHE_BASE + 0x0a20)	/* Bank 1 Config */
    171 #define	COMANCHE_B2_CR	(COMANCHE_BASE + 0x0a40)	/* Bank 2 Config */
    172 #define	COMANCHE_B3_CR	(COMANCHE_BASE + 0x0a60)	/* Bank 3 Config */
    173 #define	COMANCHE_B4_CR	(COMANCHE_BASE + 0x0a80)	/* Bank 4 Config */
    174 #define	COMANCHE_B5_CR	(COMANCHE_BASE + 0x0aa0)	/* Bank 5 Config */
    175 #define	COMANCHE_B6_CR	(COMANCHE_BASE + 0x0ac0)	/* Bank 6 Config */
    176 #define	COMANCHE_B7_CR	(COMANCHE_BASE + 0x0ae0)	/* Bank 7 Config */
    177 #define	COMANCHE_B8_CR	(COMANCHE_BASE + 0x0b00)	/* Bank 8 Config */
    178 #define		COMANCHE_CR_VALID	0x0001
    179 #define		COMANCHE_CR_SIZE	0x001e
    180 #define		COMANCHE_CR_SUBENA	0x0020
    181 #define		COMANCHE_CR_COLSEL	0x01c0
    182 #define		COMANCHE_CR_S0_RSVD	0xfe00
    183 #define		COMANCHE_CR_S8_CHECK	0x0200
    184 #define		COMANCHE_CR_S8_RSVD	0xfc00
    185 
    186 /*
    187  * 21071-CA Memory banks' Timing Register A format
    188  */
    189 #define	COMANCHE_B0_TRA	(COMANCHE_BASE + 0x0c00)	/* Bank 0 Timing A */
    190 #define	COMANCHE_B1_TRA	(COMANCHE_BASE + 0x0c20)	/* Bank 1 Timing A */
    191 #define	COMANCHE_B2_TRA	(COMANCHE_BASE + 0x0c40)	/* Bank 2 Timing A */
    192 #define	COMANCHE_B3_TRA	(COMANCHE_BASE + 0x0c60)	/* Bank 3 Timing A */
    193 #define	COMANCHE_B4_TRA	(COMANCHE_BASE + 0x0c80)	/* Bank 4 Timing A */
    194 #define	COMANCHE_B5_TRA	(COMANCHE_BASE + 0x0ca0)	/* Bank 5 Timing A */
    195 #define	COMANCHE_B6_TRA	(COMANCHE_BASE + 0x0cc0)	/* Bank 6 Timing A */
    196 #define	COMANCHE_B7_TRA	(COMANCHE_BASE + 0x0ce0)	/* Bank 7 Timing A */
    197 #define	COMANCHE_B8_TRA	(COMANCHE_BASE + 0x0d00)	/* Bank 8 Timing A */
    198 #define		COMANCHE_TRA_ROWSETUP	0x0003
    199 #define		COMANCHE_TRA_ROWHOLD	0x000c
    200 #define		COMANCHE_TRA_COLSETUP	0x0070
    201 #define		COMANCHE_TRA_COLHOLD	0x0180
    202 #define		COMANCHE_TRA_RDLYROW	0x0e00
    203 #define		COMANCHE_TRA_RDLYCOL	0x7000
    204 #define		COMANCHE_TRA_RSVD	0x8000
    205 
    206 /*
    207  * 21071-CA Memory banks' Timing Register B format
    208  */
    209 #define	COMANCHE_B0_TRB	(COMANCHE_BASE + 0x0e00)	/* Bank 0 Timing B */
    210 #define	COMANCHE_B1_TRB	(COMANCHE_BASE + 0x0e20)	/* Bank 1 Timing B */
    211 #define	COMANCHE_B2_TRB	(COMANCHE_BASE + 0x0e40)	/* Bank 2 Timing B */
    212 #define	COMANCHE_B3_TRB	(COMANCHE_BASE + 0x0e60)	/* Bank 3 Timing B */
    213 #define	COMANCHE_B4_TRB	(COMANCHE_BASE + 0x0e80)	/* Bank 4 Timing B */
    214 #define	COMANCHE_B5_TRB	(COMANCHE_BASE + 0x0ea0)	/* Bank 5 Timing B */
    215 #define	COMANCHE_B6_TRB	(COMANCHE_BASE + 0x0ec0)	/* Bank 6 Timing B */
    216 #define	COMANCHE_B7_TRB	(COMANCHE_BASE + 0x0ee0)	/* Bank 7 Timing B */
    217 #define	COMANCHE_B8_TRB	(COMANCHE_BASE + 0x0f00)	/* Bank 8 Timing B */
    218 #define		COMANCHE_TRB_RTCAS	0x0007
    219 #define		COMANCHE_TRB_WTCAS	0x0038
    220 #define		COMANCHE_TRB_TCP	0x00c0
    221 #define		COMANCHE_TRB_WHOLD0ROW	0x0700
    222 #define		COMANCHE_TRB_WHOLD0COL	0x3800
    223 #define		COMANCHE_TRB_RSVD	0xc000
    224 
    225 
    226 /*
    227  * 21071-DA Registers
    228  */
    229 #define	EPIC_DCSR	(EPIC_BASE + 0x0000)		/* Diagnostic CSR */
    230 #define		EPIC_DCSR_TENB		0x00000001
    231 #define		EPIC_DCSR_RSVD		0x7fc00082
    232 #define		EPIC_DCSR_PENB		0x00000004
    233 #define		EPIC_DCSR_DCEI		0x00000008
    234 #define		EPIC_DCSR_DPEC		0x00000010
    235 #define		EPIC_DCSR_IORT		0x00000020
    236 #define		EPIC_DCSR_LOST		0x00000040
    237 #define		EPIC_DCSR_DDPE		0x00000100
    238 #define		EPIC_DCSR_IOPE		0x00000200
    239 #define		EPIC_DCSR_TABT		0x00000400
    240 #define		EPIC_DCSR_NDEV		0x00000800
    241 #define		EPIC_DCSR_CMRD		0x00001000
    242 #define		EPIC_DCSR_UMRD		0x00002000
    243 #define		EPIC_DCSR_IPTL		0x00004000
    244 #define		EPIC_DCSR_MERR		0x00008000
    245 #define		EPIC_DCSR_DBYP		0x00030000
    246 #define		EPIC_DCSR_PCMD		0x003c0000
    247 #define		EPIC_DCSR_PASS2		0x80000000
    248 
    249 #define	EPIC_PEAR	(EPIC_BASE + 0x0020)		/* PCI Err Addr. */
    250 
    251 #define	EPIC_SEAR	(EPIC_BASE + 0x0040)		/* sysBus Err Addr. */
    252 #define		EPIC_SEAR_RSVD		0x0000000f
    253 #define		EPIC_SEAR_SYS_ERR	0xfffffff0
    254 
    255 #define	EPIC_DUMMY_1	(EPIC_BASE + 0x0060)		/* Dummy 1 */
    256 #define	EPIC_DUMMY_2	(EPIC_BASE + 0x0080)		/* Dummy 2 */
    257 #define	EPIC_DUMMY_3	(EPIC_BASE + 0x00a0)		/* Dummy 3 */
    258 
    259 #define	EPIC_TBASE_1	(EPIC_BASE + 0x00c0)		/* Trans. Base 1 */
    260 #define	EPIC_TBASE_2	(EPIC_BASE + 0x00e0)		/* Trans. Base 2 */
    261 #define		EPIC_TBASE_RSVD		0x000001ff
    262 #define		EPIC_TBASE_T_BASE	0xfffffe00
    263 #define		EPIC_TBASE_SHIFT	1
    264 
    265 #define	EPIC_PCI_BASE_1	(EPIC_BASE + 0x0100)		/* PCI Base 1 */
    266 #define	EPIC_PCI_BASE_2	(EPIC_BASE + 0x0120)		/* PCI Base 2 */
    267 #define		EPIC_PCI_BASE_RSVD	0x0003ffff
    268 #define		EPIC_PCI_BASE_SGEN	0x00040000
    269 #define		EPIC_PCI_BASE_WENB	0x00080000
    270 #define		EPIC_PCI_BASE_PCI_BASE	0xfff00000
    271 
    272 #define	EPIC_PCI_MASK_1	(EPIC_BASE + 0x0140)		/* PCI Mask 1 */
    273 #define	EPIC_PCI_MASK_2	(EPIC_BASE + 0x0160)		/* PCI Mask 2 */
    274 #define		EPIC_PCI_MASK_RSVD	0x000fffff
    275 #define		EPIC_PCI_MASK_PCI_MASK	0xfff00000
    276 #define		EPIC_PCI_MASK_1M	0x00000000
    277 #define		EPIC_PCI_MASK_2M	0x00100000
    278 #define		EPIC_PCI_MASK_4M	0x00300000
    279 #define		EPIC_PCI_MASK_8M	0x00700000
    280 #define		EPIC_PCI_MASK_16M	0x00f00000
    281 #define		EPIC_PCI_MASK_32M	0x01f00000
    282 #define		EPIC_PCI_MASK_64M	0x03f00000
    283 #define		EPIC_PCI_MASK_128M	0x07f00000
    284 #define		EPIC_PCI_MASK_256M	0x0ff00000
    285 #define		EPIC_PCI_MASK_512M	0x1ff00000
    286 #define		EPIC_PCI_MASK_1G	0x3ff00000
    287 #define		EPIC_PCI_MASK_2G	0x7ff00000
    288 #define		EPIC_PCI_MASK_4G	0xfff00000
    289 
    290 #define	EPIC_HAXR0	(EPIC_BASE + 0x0180)		/* Host Addr Extn 0 */
    291 
    292 #define	EPIC_HAXR1	(EPIC_BASE + 0x01a0)		/* Host Addr Extn 1 */
    293 #define		EPIC_HAXR1_RSVD		0x07ffffff
    294 #define		EPIC_HAXR1_EADDR	0xf8000000
    295 
    296 #define	EPIC_HAXR2	(EPIC_BASE + 0x01c0)		/* Host Addr Extn 2 */
    297 #define		EPIC_HAXR2_CONF_TYPE	0x00000003
    298 #define		EPIC_HAXR2_CONF_TYPO0	0x00000000
    299 #define		EPIC_HAXR2_CONF_TYPE1	0x00000001
    300 #define		EPIC_HAXR2_RSVD		0x00fffffc
    301 #define		EPIC_HAXR2_EADDR	0xff000000
    302 
    303 #define	EPIC_PMLT	(EPIC_BASE + 0x01e0)		/* PCI Mstr Lat Tmr */
    304 #define		EPIC_PMLT_PMLC		0x000000ff
    305 #define		EPIC_PMLT_RSVD		0xffffff00
    306 
    307 #define	EPIC_TLB_TAG_0	(EPIC_BASE + 0x0200)		/* TLB Tag 0 */
    308 #define	EPIC_TLB_TAG_1	(EPIC_BASE + 0x0220)		/* TLB Tag 1 */
    309 #define	EPIC_TLB_TAG_2	(EPIC_BASE + 0x0240)		/* TLB Tag 2 */
    310 #define	EPIC_TLB_TAG_3	(EPIC_BASE + 0x0260)		/* TLB Tag 3 */
    311 #define	EPIC_TLB_TAG_4	(EPIC_BASE + 0x0280)		/* TLB Tag 4 */
    312 #define	EPIC_TLB_TAG_5	(EPIC_BASE + 0x02a0)		/* TLB Tag 5 */
    313 #define	EPIC_TLB_TAG_6	(EPIC_BASE + 0x02c0)		/* TLB Tag 6 */
    314 #define	EPIC_TLB_TAG_7	(EPIC_BASE + 0x02e0)		/* TLB Tag 7 */
    315 #define		EPIC_TLB_TAG_RSVD	0x00000fff
    316 #define		EPIC_TLB_TAG_EVAL	0x00001000
    317 #define		EPIC_TLB_TAG_PCI_PAGE	0xffffe000
    318 
    319 #define	EPIC_TLB_DATA_0	(EPIC_BASE + 0x0300)		/* TLB Data 0 */
    320 #define	EPIC_TLB_DATA_1	(EPIC_BASE + 0x0320)		/* TLB Data 1 */
    321 #define	EPIC_TLB_DATA_2	(EPIC_BASE + 0x0340)		/* TLB Data 2 */
    322 #define	EPIC_TLB_DATA_3	(EPIC_BASE + 0x0360)		/* TLB Data 3 */
    323 #define	EPIC_TLB_DATA_4	(EPIC_BASE + 0x0380)		/* TLB Data 4 */
    324 #define	EPIC_TLB_DATA_5	(EPIC_BASE + 0x03a0)		/* TLB Data 5 */
    325 #define	EPIC_TLB_DATA_6	(EPIC_BASE + 0x03c0)		/* TLB Data 6 */
    326 #define	EPIC_TLB_DATA_7	(EPIC_BASE + 0x03e0)		/* TLB Data 7 */
    327 #define		EPIC_TLB_DATA_RSVD	0xffe00001
    328 #define		EPIC_TLB_DATA_CPU_PAGE	0x001ffffe
    329 
    330 #define	EPIC_TBIA	(EPIC_BASE + 0x0400)		/* TLB Invl All */
    331 
    332 /*
    333  * EPIC Scatter-Gather Map Entries
    334  */
    335 
    336 struct sgmapent {
    337 	uint64_t val;
    338 };
    339 #define	SGMAPENT_EVAL	0x0000000000000001L
    340 #define	SGMAPENT_PFN	0x00000000001ffffeL
    341 #define	SGMAPENT_RSVD	0xffffffffffe00000L
    342 
    343 #define	SGMAP_MAKEENTRY(pfn)	(SGMAPENT_EVAL | ((pfn) << 1))
    344