include/asm-mips/tx4927/tx4927_pci.h

   1 /*
   2  * This file is subject to the terms and conditions of the GNU General Public
   3  * License.  See the file "COPYING" in the main directory of this archive
   4  * for more details.
   5  *
   6  * Copyright (C) 2000-2001 Toshiba Corporation
   7  */
   8 #ifndef __ASM_TX4927_TX4927_PCI_H
   9 #define __ASM_TX4927_TX4927_PCI_H
  10
  11 #define TX4927_CCFG_TOE 0x00004000
  12
  13 #define TX4927_PCIMEM      0x08000000
  14 #define TX4927_PCIMEM_SIZE 0x08000000
  15 #define TX4927_PCIIO       0x16000000
  16 #define TX4927_PCIIO_SIZE  0x01000000
  17
  18 #define TX4927_SDRAMC_REG       0xff1f8000
  19 #define TX4927_EBUSC_REG        0xff1f9000
  20 #define TX4927_PCIC_REG         0xff1fd000
  21 #define TX4927_CCFG_REG         0xff1fe000
  22 #define TX4927_IRC_REG          0xff1ff600
  23 #define TX4927_CE3      0x17f00000      /* 1M */
  24 #define TX4927_PCIRESET_ADDR    0xbc00f006
  25 #define TX4927_PCI_CLK_ADDR     (KSEG1 + TX4927_CE3 + 0x00040020)
  26
  27 #define TX4927_IMSTAT_ADDR(n)   (KSEG1 + TX4927_CE3 + 0x0004001a + (n))
  28 #define tx4927_imstat_ptr(n)    \
  29         ((volatile unsigned char *)TX4927_IMSTAT_ADDR(n))
  30
  31 /* bits for ISTAT3/IMASK3/IMSTAT3 */
  32 #define TX4927_INT3B_PCID       0
  33 #define TX4927_INT3B_PCIC       1
  34 #define TX4927_INT3B_PCIB       2
  35 #define TX4927_INT3B_PCIA       3
  36 #define TX4927_INT3F_PCID       (1 << TX4927_INT3B_PCID)
  37 #define TX4927_INT3F_PCIC       (1 << TX4927_INT3B_PCIC)
  38 #define TX4927_INT3F_PCIB       (1 << TX4927_INT3B_PCIB)
  39 #define TX4927_INT3F_PCIA       (1 << TX4927_INT3B_PCIA)
  40
  41 /* bits for PCI_CLK (S6) */
  42 #define TX4927_PCI_CLK_HOST     0x80
  43 #define TX4927_PCI_CLK_MASK     (0x0f << 3)
  44 #define TX4927_PCI_CLK_33       (0x01 << 3)
  45 #define TX4927_PCI_CLK_25       (0x04 << 3)
  46 #define TX4927_PCI_CLK_66       (0x09 << 3)
  47 #define TX4927_PCI_CLK_50       (0x0c << 3)
  48 #define TX4927_PCI_CLK_ACK      0x04
  49 #define TX4927_PCI_CLK_ACE      0x02
  50 #define TX4927_PCI_CLK_ENDIAN   0x01
  51 #define TX4927_NR_IRQ_LOCAL     TX4927_IRQ_PIC_BEG
  52 #define TX4927_NR_IRQ_IRC       32      /* On-Chip IRC */
  53
  54 #define TX4927_IR_PCIC          16
  55 #define TX4927_IR_PCIERR        22
  56 #define TX4927_IR_PCIPMA        23
  57 #define TX4927_IRQ_IRC_PCIC     (TX4927_NR_IRQ_LOCAL + TX4927_IR_PCIC)
  58 #define TX4927_IRQ_IRC_PCIERR   (TX4927_NR_IRQ_LOCAL + TX4927_IR_PCIERR)
  59 #define TX4927_IRQ_IOC1         (TX4927_NR_IRQ_LOCAL + TX4927_NR_IRQ_IRC)
  60 #define TX4927_IRQ_IOC_PCID     (TX4927_IRQ_IOC1 + TX4927_INT3B_PCID)
  61 #define TX4927_IRQ_IOC_PCIC     (TX4927_IRQ_IOC1 + TX4927_INT3B_PCIC)
  62 #define TX4927_IRQ_IOC_PCIB     (TX4927_IRQ_IOC1 + TX4927_INT3B_PCIB)
  63 #define TX4927_IRQ_IOC_PCIA     (TX4927_IRQ_IOC1 + TX4927_INT3B_PCIA)
  64
  65 #ifdef _LANGUAGE_ASSEMBLY
  66 #define _CONST64(c)     c
  67 #else
  68 #define _CONST64(c)     c##ull
  69
  70 #include <asm/byteorder.h>
  71
  72 #define tx4927_pcireset_ptr     \
  73         ((volatile unsigned char *)TX4927_PCIRESET_ADDR)
  74 #define tx4927_pci_clk_ptr      \
  75         ((volatile unsigned char *)TX4927_PCI_CLK_ADDR)
  76
  77 struct tx4927_sdramc_reg {
  78         volatile unsigned long long cr[4];
  79         volatile unsigned long long unused0[4];
  80         volatile unsigned long long tr;
  81         volatile unsigned long long unused1[2];
  82         volatile unsigned long long cmd;
  83 };
  84
  85 struct tx4927_ebusc_reg {
  86         volatile unsigned long long cr[8];
  87 };
  88
  89 struct tx4927_ccfg_reg {
  90         volatile unsigned long long ccfg;
  91         volatile unsigned long long crir;
  92         volatile unsigned long long pcfg;
  93         volatile unsigned long long tear;
  94         volatile unsigned long long clkctr;
  95         volatile unsigned long long unused0;
  96         volatile unsigned long long garbc;
  97         volatile unsigned long long unused1;
  98         volatile unsigned long long unused2;
  99         volatile unsigned long long ramp;
 100 };
 101
 102 struct tx4927_pcic_reg {
 103         volatile unsigned long pciid;
 104         volatile unsigned long pcistatus;
 105         volatile unsigned long pciccrev;
 106         volatile unsigned long pcicfg1;
 107         volatile unsigned long p2gm0plbase;             /* +10 */
 108         volatile unsigned long p2gm0pubase;
 109         volatile unsigned long p2gm1plbase;
 110         volatile unsigned long p2gm1pubase;
 111         volatile unsigned long p2gm2pbase;              /* +20 */
 112         volatile unsigned long p2giopbase;
 113         volatile unsigned long unused0;
 114         volatile unsigned long pcisid;
 115         volatile unsigned long unused1;         /* +30 */
 116         volatile unsigned long pcicapptr;
 117         volatile unsigned long unused2;
 118         volatile unsigned long pcicfg2;
 119         volatile unsigned long g2ptocnt;                /* +40 */
 120         volatile unsigned long unused3[15];
 121         volatile unsigned long g2pstatus;               /* +80 */
 122         volatile unsigned long g2pmask;
 123         volatile unsigned long pcisstatus;
 124         volatile unsigned long pcimask;
 125         volatile unsigned long p2gcfg;          /* +90 */
 126         volatile unsigned long p2gstatus;
 127         volatile unsigned long p2gmask;
 128         volatile unsigned long p2gccmd;
 129         volatile unsigned long unused4[24];             /* +a0 */
 130         volatile unsigned long pbareqport;              /* +100 */
 131         volatile unsigned long pbacfg;
 132         volatile unsigned long pbastatus;
 133         volatile unsigned long pbamask;
 134         volatile unsigned long pbabm;           /* +110 */
 135         volatile unsigned long pbacreq;
 136         volatile unsigned long pbacgnt;
 137         volatile unsigned long pbacstate;
 138         volatile unsigned long long g2pmgbase[3];               /* +120 */
 139         volatile unsigned long long g2piogbase;
 140         volatile unsigned long g2pmmask[3];             /* +140 */
 141         volatile unsigned long g2piomask;
 142         volatile unsigned long long g2pmpbase[3];               /* +150 */
 143         volatile unsigned long long g2piopbase;
 144         volatile unsigned long pciccfg;         /* +170 */
 145         volatile unsigned long pcicstatus;
 146         volatile unsigned long pcicmask;
 147         volatile unsigned long unused5;
 148         volatile unsigned long long p2gmgbase[3];               /* +180 */
 149         volatile unsigned long long p2giogbase;
 150         volatile unsigned long g2pcfgadrs;              /* +1a0 */
 151         volatile unsigned long g2pcfgdata;
 152         volatile unsigned long unused6[8];
 153         volatile unsigned long g2pintack;
 154         volatile unsigned long g2pspc;
 155         volatile unsigned long unused7[12];             /* +1d0 */
 156         volatile unsigned long long pdmca;              /* +200 */
 157         volatile unsigned long long pdmga;
 158         volatile unsigned long long pdmpa;
 159         volatile unsigned long long pdmcut;
 160         volatile unsigned long long pdmcnt;             /* +220 */
 161         volatile unsigned long long pdmsts;
 162         volatile unsigned long long unused8[2];
 163         volatile unsigned long long pdmdb[4];           /* +240 */
 164         volatile unsigned long long pdmtdh;             /* +260 */
 165         volatile unsigned long long pdmdms;
 166 };
 167
 168 #endif /* _LANGUAGE_ASSEMBLY */
 169
 170 /*
 171  * PCIC
 172  */
 173
 174 /* bits for G2PSTATUS/G2PMASK */
 175 #define TX4927_PCIC_G2PSTATUS_ALL       0x00000003
 176 #define TX4927_PCIC_G2PSTATUS_TTOE      0x00000002
 177 #define TX4927_PCIC_G2PSTATUS_RTOE      0x00000001
 178
 179 /* bits for PCIMASK (see also PCI_STATUS_XXX in linux/pci.h */
 180 #define TX4927_PCIC_PCISTATUS_ALL       0x0000f900
 181
 182 /* bits for PBACFG */
 183 #define TX4927_PCIC_PBACFG_RPBA 0x00000004
 184 #define TX4927_PCIC_PBACFG_PBAEN        0x00000002
 185 #define TX4927_PCIC_PBACFG_BMCEN        0x00000001
 186
 187 /* bits for G2PMnGBASE */
 188 #define TX4927_PCIC_G2PMnGBASE_BSDIS    _CONST64(0x0000002000000000)
 189 #define TX4927_PCIC_G2PMnGBASE_ECHG     _CONST64(0x0000001000000000)
 190
 191 /* bits for G2PIOGBASE */
 192 #define TX4927_PCIC_G2PIOGBASE_BSDIS    _CONST64(0x0000002000000000)
 193 #define TX4927_PCIC_G2PIOGBASE_ECHG     _CONST64(0x0000001000000000)
 194
 195 /* bits for PCICSTATUS/PCICMASK */
 196 #define TX4927_PCIC_PCICSTATUS_ALL      0x000007dc
 197
 198 /* bits for PCICCFG */
 199 #define TX4927_PCIC_PCICCFG_LBWC_MASK   0x0fff0000
 200 #define TX4927_PCIC_PCICCFG_HRST        0x00000800
 201 #define TX4927_PCIC_PCICCFG_SRST        0x00000400
 202 #define TX4927_PCIC_PCICCFG_IRBER       0x00000200
 203 #define TX4927_PCIC_PCICCFG_IMSE0       0x00000100
 204 #define TX4927_PCIC_PCICCFG_IMSE1       0x00000080
 205 #define TX4927_PCIC_PCICCFG_IMSE2       0x00000040
 206 #define TX4927_PCIC_PCICCFG_IISE        0x00000020
 207 #define TX4927_PCIC_PCICCFG_ATR 0x00000010
 208 #define TX4927_PCIC_PCICCFG_ICAE        0x00000008
 209
 210 /* bits for P2GMnGBASE */
 211 #define TX4927_PCIC_P2GMnGBASE_TMEMEN   _CONST64(0x0000004000000000)
 212 #define TX4927_PCIC_P2GMnGBASE_TBSDIS   _CONST64(0x0000002000000000)
 213 #define TX4927_PCIC_P2GMnGBASE_TECHG    _CONST64(0x0000001000000000)
 214
 215 /* bits for P2GIOGBASE */
 216 #define TX4927_PCIC_P2GIOGBASE_TIOEN    _CONST64(0x0000004000000000)
 217 #define TX4927_PCIC_P2GIOGBASE_TBSDIS   _CONST64(0x0000002000000000)
 218 #define TX4927_PCIC_P2GIOGBASE_TECHG    _CONST64(0x0000001000000000)
 219
 220 #define TX4927_PCIC_IDSEL_AD_TO_SLOT(ad)        ((ad) - 11)
 221 #define TX4927_PCIC_MAX_DEVNU   TX4927_PCIC_IDSEL_AD_TO_SLOT(32)
 222
 223 /*
 224  * CCFG
 225  */
 226 /* CCFG : Chip Configuration */
 227 #define TX4927_CCFG_PCI66       0x00800000
 228 #define TX4927_CCFG_PCIMIDE     0x00400000
 229 #define TX4927_CCFG_PCIXARB     0x00002000
 230 #define TX4927_CCFG_PCIDIVMODE_MASK     0x00001800
 231 #define TX4927_CCFG_PCIDIVMODE_2_5      0x00000000
 232 #define TX4927_CCFG_PCIDIVMODE_3        0x00000800
 233 #define TX4927_CCFG_PCIDIVMODE_5        0x00001000
 234 #define TX4927_CCFG_PCIDIVMODE_6        0x00001800
 235
 236 #define TX4937_CCFG_PCIDIVMODE_MASK     0x00001c00
 237 #define TX4937_CCFG_PCIDIVMODE_8        0x00000000
 238 #define TX4937_CCFG_PCIDIVMODE_4        0x00000400
 239 #define TX4937_CCFG_PCIDIVMODE_9        0x00000800
 240 #define TX4937_CCFG_PCIDIVMODE_4_5      0x00000c00
 241 #define TX4937_CCFG_PCIDIVMODE_10       0x00001000
 242 #define TX4937_CCFG_PCIDIVMODE_5        0x00001400
 243 #define TX4937_CCFG_PCIDIVMODE_11       0x00001800
 244 #define TX4937_CCFG_PCIDIVMODE_5_5      0x00001c00
 245
 246 /* PCFG : Pin Configuration */
 247 #define TX4927_PCFG_PCICLKEN_ALL        0x003f0000
 248 #define TX4927_PCFG_PCICLKEN(ch)        (0x00010000<<(ch))
 249
 250 /* CLKCTR : Clock Control */
 251 #define TX4927_CLKCTR_PCICKD    0x00400000
 252 #define TX4927_CLKCTR_PCIRST    0x00000040
 253
 254
 255 #ifndef _LANGUAGE_ASSEMBLY
 256
 257 #define tx4927_sdramcptr        ((struct tx4927_sdramc_reg *)TX4927_SDRAMC_REG)
 258 #define tx4927_pcicptr          ((struct tx4927_pcic_reg *)TX4927_PCIC_REG)
 259 #define tx4927_ccfgptr          ((struct tx4927_ccfg_reg *)TX4927_CCFG_REG)
 260 #define tx4927_ebuscptr         ((struct tx4927_ebusc_reg *)TX4927_EBUSC_REG)
 261
 262 #endif /* _LANGUAGE_ASSEMBLY */
 263
 264 #endif /* __ASM_TX4927_TX4927_PCI_H */