arch/mips/baget/setup.c

   1 /*
   2  * setup.c: Baget/MIPS specific setup, including init of the feature struct.
   3  *
   4  * Copyright (C) 1998 Gleb Raiko & Vladimir Roganov
   5  */
   6 #include <linux/init.h>
   7 #include <linux/kernel.h>
   8 #include <linux/sched.h>
   9 #include <asm/irq.h>
  10 #include <asm/addrspace.h>
  11 #include <asm/reboot.h>
  12
  13 #include <asm/baget/baget.h>
  14
  15 long int vac_memory_upper;
  16
  17 #define CACHEABLE_STR(val) ((val) ? "not cached" : "cached")
  18
  19 static void __init vac_show(void)
  20 {
  21         int i;
  22         unsigned short val, decode = vac_inw(VAC_DECODE_CTRL);
  23         unsigned short a24_base = vac_inw(VAC_A24_BASE);
  24         unsigned long  a24_addr = ((unsigned long)
  25                                            (a24_base & VAC_A24_MASK)) << 16;
  26         char *decode_mode[]  = { "eprom", "vsb", "shared", "dram" };
  27         char *address_mode[] = { "", ", A16", ", A32/A24", ", A32/A24/A16" };
  28         char *state[] = { "", " on write", " on read", " on read/write", };
  29         char *region_mode[] = { "inactive", "shared", "vsb", "vme" };
  30         char *asiz[]        = { "user", "A32", "A16", "A24" };
  31         unsigned short regs[] = { VAC_REG1,     VAC_REG2, VAC_REG3  };
  32         unsigned short bndr[] = { VAC_DRAM_MASK,VAC_BNDR2,VAC_BNDR3 };
  33         unsigned short io_sels[] = { VAC_IOSEL0_CTRL,
  34                                      VAC_IOSEL1_CTRL,
  35                                      VAC_IOSEL2_CTRL,
  36                                      VAC_IOSEL3_CTRL,
  37                                      VAC_IOSEL4_CTRL,
  38                                      VAC_IOSEL5_CTRL };
  39
  40         printk("[DSACKi %s, DRAMCS%s qualified, boundary%s qualified%s]\n",
  41                (decode & VAC_DECODE_DSACKI)     ? "on" : "off",
  42                (decode & VAC_DECODE_QFY_DRAMCS) ? ""   : " not",
  43                (decode & VAC_DECODE_QFY_BNDR)   ? ""   : " not",
  44                (decode & VAC_DECODE_FPUCS)      ? ", fpu" : "");
  45
  46         printk("slave0 ");
  47         if (decode & VAC_DECODE_RDR_SLSEL0)
  48                 printk("at %08lx (%d MB)\t[dram %s]\n",
  49                        ((unsigned long)vac_inw(VAC_SLSEL0_BASE))<<16,
  50                        ((0xffff ^ vac_inw(VAC_SLSEL0_MASK)) + 1) >> 4,
  51                        (decode & VAC_DECODE_QFY_SLSEL0) ? "qualified" : "");
  52         else
  53                 printk("off\n");
  54
  55         printk("slave1 ");
  56         if (decode & VAC_DECODE_RDR_SLSEL1)
  57                 printk("at %08lx (%d MB)\t[%s%s, %s]\n",
  58                        ((unsigned long)vac_inw(VAC_SLSEL1_BASE))<<16,
  59                        ((0xffff ^ vac_inw(VAC_SLSEL1_MASK)) + 1) >> 4,
  60                        decode_mode[VAC_DECODE_MODE_VAL(decode)],
  61                        address_mode[VAC_DECODE_CMP_SLSEL1_VAL(decode)],
  62                        (decode & VAC_DECODE_QFY_SLSEL1) ? "qualified" : "");
  63         else
  64                 printk("off\n");
  65
  66         printk("icf global at %04x, module at %04x [%s]\n",
  67                        ((unsigned int)
  68                         VAC_ICFSEL_GLOBAL_VAL(vac_inw(VAC_ICFSEL_BASE)))<<4,
  69                        ((unsigned int)
  70                         VAC_ICFSEL_MODULE_VAL(vac_inw(VAC_ICFSEL_BASE)))<<4,
  71                        (decode & VAC_DECODE_QFY_ICFSEL) ? "qualified" : "");
  72
  73
  74         printk("region0 at 00000000 (%dMB)\t[dram, %s, delay %d cpuclk"
  75                ", cached]\n",
  76                (vac_inw(VAC_DRAM_MASK)+1)>>4,
  77                (decode & VAC_DECODE_DSACK) ? "D32" : "3state",
  78                VAC_DECODE_CPUCLK_VAL(decode));
  79
  80         for (i = 0; i < sizeof(regs)/sizeof(regs[0]); i++) {
  81                 unsigned long from =
  82                         ((unsigned long)vac_inw(bndr[i]))<<16;
  83                 unsigned long to   =
  84                         ((unsigned long)
  85                          ((i+1 == sizeof(bndr)/sizeof(bndr[0])) ?
  86                           0xff00 : vac_inw(bndr[i+1])))<<16;
  87
  88
  89                 val = vac_inw(regs[i]);
  90                 printk("region%d at %08lx (%dMB)\t[%s %s/%s, %s]\n",
  91                        i+1,
  92                        from,
  93                        (unsigned int)((to - from) >> 20),
  94                        region_mode[VAC_REG_MODE(val)],
  95                        asiz[VAC_REG_ASIZ_VAL(val)],
  96                        ((val & VAC_REG_WORD) ?  "D16" : "D32"),
  97                        CACHEABLE_STR(val&VAC_A24_A24_CACHINH));
  98
  99                 if (a24_addr >= from && a24_addr < to)
 100                         printk("\ta24 at %08lx (%dMB)\t[vme, A24/%s, %s]\n",
 101                                a24_addr,
 102                                min((unsigned int)(a24_addr - from)>>20, 32U),
 103                                (a24_base & VAC_A24_DATAPATH) ?  "user" :
 104                                ((a24_base & VAC_A24_D32_ENABLE)  ?
 105                                 "D32" : "D16"),
 106                                CACHEABLE_STR(a24_base & VAC_A24_A24_CACHINH));
 107         }
 108
 109         printk("region4 at ff000000 (15MB)\t[eprom]\n");
 110         val = vac_inw(VAC_EPROMCS_CTRL);
 111         printk("\t[ack %d cpuclk%s, %s%srecovery %d cpuclk, "
 112                "read %d%s, write %d%s, assert %d%s]\n",
 113                VAC_CTRL_DELAY_DSACKI_VAL(val),
 114                state[val & (VAC_CTRL_IORD|VAC_CTRL_IOWR)],
 115                (val & VAC_CTRL_DSACK0) ? "dsack0*, " : "",
 116                (val & VAC_CTRL_DSACK1) ? "dsack1*, " : "",
 117                VAC_CTRL_RECOVERY_IOSELI_VAL(val),
 118                VAC_CTRL_DELAY_IORD_VAL(val)/2,
 119                (VAC_CTRL_DELAY_IORD_VAL(val)&1) ? ".5" : "",
 120                VAC_CTRL_DELAY_IOWR_VAL(val)/2,
 121                (VAC_CTRL_DELAY_IOWR_VAL(val)&1) ? ".5" : "",
 122                VAC_CTRL_DELAY_IOSELI_VAL(val)/2,
 123                (VAC_CTRL_DELAY_IOSELI_VAL(val)&1) ? ".5" : "");
 124
 125         printk("region5 at fff00000 (896KB)\t[local io, %s]\n",
 126                CACHEABLE_STR(vac_inw(VAC_A24_BASE) & VAC_A24_IO_CACHINH));
 127
 128         for (i = 0; i < sizeof(io_sels)/sizeof(io_sels[0]); i++) {
 129                 val = vac_inw(io_sels[i]);
 130                 printk("\tio%d[ack %d cpuclk%s, %s%srecovery %d cpuclk, "
 131                        "\n\t read %d%s cpuclk, write %d%s cpuclk, "
 132                        "assert %d%s%s cpuclk]\n",
 133                        i,
 134                        VAC_CTRL_DELAY_DSACKI_VAL(val),
 135                        state[val & (VAC_CTRL_IORD|VAC_CTRL_IOWR)],
 136                        (val & VAC_CTRL_DSACK0) ? "dsack0*, " : "",
 137                        (val & VAC_CTRL_DSACK1) ? "dsack1*, " : "",
 138                        VAC_CTRL_RECOVERY_IOSELI_VAL(val),
 139                        VAC_CTRL_DELAY_IORD_VAL(val)/2,
 140                        (VAC_CTRL_DELAY_IORD_VAL(val)&1) ? ".5" : "",
 141                        VAC_CTRL_DELAY_IOWR_VAL(val)/2,
 142                        (VAC_CTRL_DELAY_IOWR_VAL(val)&1) ? ".5" : "",
 143                        VAC_CTRL_DELAY_IOSELI_VAL(val)/2,
 144                        (VAC_CTRL_DELAY_IOSELI_VAL(val)&1) ? ".5" : "",
 145                        (vac_inw(VAC_DEV_LOC) & VAC_DEV_LOC_IOSEL(i)) ?
 146                           ", id" : "");
 147         }
 148
 149         printk("region6 at fffe0000 (128KB)\t[vme, A16/%s, "
 150                "not cached]\n",
 151                (a24_base & VAC_A24_A16D32_ENABLE) ?
 152                ((a24_base & VAC_A24_A16D32) ? "D32" : "D16") : "user");
 153
 154         val = vac_inw(VAC_SHRCS_CTRL);
 155         printk("shared[ack %d cpuclk%s, %s%srecovery %d cpuclk, "
 156                "read %d%s, write %d%s, assert %d%s]\n",
 157                VAC_CTRL_DELAY_DSACKI_VAL(val),
 158                state[val & (VAC_CTRL_IORD|VAC_CTRL_IOWR)],
 159                (val & VAC_CTRL_DSACK0) ? "dsack0*, " : "",
 160                (val & VAC_CTRL_DSACK1) ? "dsack1*, " : "",
 161                VAC_CTRL_RECOVERY_IOSELI_VAL(val),
 162                VAC_CTRL_DELAY_IORD_VAL(val)/2,
 163                (VAC_CTRL_DELAY_IORD_VAL(val)&1) ? ".5" : "",
 164                VAC_CTRL_DELAY_IOWR_VAL(val)/2,
 165                (VAC_CTRL_DELAY_IOWR_VAL(val)&1) ? ".5" : "",
 166                VAC_CTRL_DELAY_IOSELI_VAL(val)/2,
 167                (VAC_CTRL_DELAY_IOSELI_VAL(val)&1) ? ".5" : "");
 168 }
 169
 170 static void __init vac_init(void)
 171 {
 172         unsigned short mem_limit = (vac_memory_upper >> 16);
 173
 174         switch(vac_inw(VAC_ID)) {
 175         case 0x1AC0:
 176                 printk("VAC068-F5: ");
 177                 break;
 178         case 0x1AC1:
 179                 printk("VAC068A: ");
 180                 break;
 181         default:
 182                 panic("Unknown VAC revision number");
 183         }
 184
 185         vac_outw(mem_limit-1, VAC_DRAM_MASK);
 186         vac_outw(mem_limit, VAC_BNDR2);
 187         vac_outw(mem_limit, VAC_BNDR3);
 188         vac_outw(((BAGET_A24M_BASE>>16)&~VAC_A24_D32_ENABLE)|VAC_A24_DATAPATH,
 189                  VAC_A24_BASE);
 190         vac_outw(VAC_REG_INACTIVE|VAC_REG_ASIZ0,VAC_REG1);
 191         vac_outw(VAC_REG_INACTIVE|VAC_REG_ASIZ0,VAC_REG2);
 192         vac_outw(VAC_REG_MWB|VAC_REG_ASIZ1,VAC_REG3);
 193         vac_outw(BAGET_A24S_BASE>>16,VAC_SLSEL0_BASE);
 194         vac_outw(BAGET_A24S_MASK>>16,VAC_SLSEL0_MASK);
 195         vac_outw(BAGET_A24S_BASE>>16,VAC_SLSEL1_BASE);
 196         vac_outw(BAGET_A24S_MASK>>16,VAC_SLSEL1_MASK);
 197         vac_outw(BAGET_GSW_BASE|BAGET_MSW_BASE(0),VAC_ICFSEL_BASE);
 198         vac_outw(VAC_DECODE_FPUCS|
 199                  VAC_DECODE_CPUCLK(3)|
 200                  VAC_DECODE_RDR_SLSEL0|VAC_DECODE_RDR_SLSEL1|
 201                  VAC_DECODE_DSACK|
 202                  VAC_DECODE_QFY_BNDR|
 203                  VAC_DECODE_QFY_ICFSEL|
 204                  VAC_DECODE_QFY_SLSEL1|VAC_DECODE_QFY_SLSEL0|
 205                  VAC_DECODE_CMP_SLSEL1_HI|
 206                  VAC_DECODE_DRAMCS|
 207                  VAC_DECODE_QFY_DRAMCS|
 208                  VAC_DECODE_DSACKI,VAC_DECODE_CTRL);
 209         vac_outw(VAC_PIO_FUNC_UART_A_TX|VAC_PIO_FUNC_UART_A_RX|
 210                  VAC_PIO_FUNC_UART_B_TX|VAC_PIO_FUNC_UART_B_RX|
 211                  VAC_PIO_FUNC_IOWR|
 212                  VAC_PIO_FUNC_IOSEL3|
 213                  VAC_PIO_FUNC_IRQ7|VAC_PIO_FUNC_IRQ10|VAC_PIO_FUNC_IRQ11|
 214                  VAC_PIO_FUNC_IOSEL2|
 215                  VAC_PIO_FUNC_FCIACK,VAC_PIO_FUNC);
 216         vac_outw(VAC_PIO_DIR_FCIACK |
 217                  VAC_PIO_DIR_OUT(0) |
 218                  VAC_PIO_DIR_OUT(1) |
 219                  VAC_PIO_DIR_OUT(2) |
 220                  VAC_PIO_DIR_OUT(3) |
 221                  VAC_PIO_DIR_IN(4)  |
 222                  VAC_PIO_DIR_OUT(5) |
 223                  VAC_PIO_DIR_OUT(6) |
 224                  VAC_PIO_DIR_OUT(7) |
 225                  VAC_PIO_DIR_OUT(8) |
 226                  VAC_PIO_DIR_IN(9)  |
 227                  VAC_PIO_DIR_OUT(10)|
 228                  VAC_PIO_DIR_OUT(11)|
 229                  VAC_PIO_DIR_OUT(12)|
 230                  VAC_PIO_DIR_OUT(13),VAC_PIO_DIRECTION);
 231         vac_outw(VAC_DEV_LOC_IOSEL(2),VAC_DEV_LOC);
 232         vac_outw(VAC_CTRL_IOWR|
 233                  VAC_CTRL_DELAY_IOWR(3)|
 234                  VAC_CTRL_DELAY_IORD(3)|
 235                  VAC_CTRL_RECOVERY_IOSELI(1)|
 236                  VAC_CTRL_DELAY_DSACKI(8),VAC_SHRCS_CTRL);
 237         vac_outw(VAC_CTRL_IOWR|
 238                  VAC_CTRL_DELAY_IOWR(3)|
 239                  VAC_CTRL_DELAY_IORD(3)|
 240                  VAC_CTRL_RECOVERY_IOSELI(1)|
 241                  VAC_CTRL_DSACK0|VAC_CTRL_DSACK1|
 242                  VAC_CTRL_DELAY_DSACKI(8),VAC_EPROMCS_CTRL);
 243         vac_outw(VAC_CTRL_IOWR|
 244                  VAC_CTRL_DELAY_IOWR(3)|
 245                  VAC_CTRL_DELAY_IORD(3)|
 246                  VAC_CTRL_RECOVERY_IOSELI(2)|
 247                  VAC_CTRL_DSACK0|VAC_CTRL_DSACK1|
 248                  VAC_CTRL_DELAY_DSACKI(8),VAC_IOSEL0_CTRL);
 249         vac_outw(VAC_CTRL_IOWR|
 250                  VAC_CTRL_DELAY_IOWR(3)|
 251                  VAC_CTRL_DELAY_IORD(3)|
 252                  VAC_CTRL_RECOVERY_IOSELI(2)|
 253                  VAC_CTRL_DSACK0|VAC_CTRL_DSACK1|
 254                  VAC_CTRL_DELAY_DSACKI(8),VAC_IOSEL1_CTRL);
 255         vac_outw(VAC_CTRL_IOWR|
 256                  VAC_CTRL_DELAY_IOWR(3)|
 257                  VAC_CTRL_DELAY_IORD(3)|
 258                  VAC_CTRL_RECOVERY_IOSELI(2)|
 259                  VAC_CTRL_DSACK0|VAC_CTRL_DSACK1|
 260                  VAC_CTRL_DELAY_DSACKI(8),VAC_IOSEL2_CTRL);
 261         vac_outw(VAC_CTRL_IOWR|
 262                  VAC_CTRL_DELAY_IOWR(3)|
 263                  VAC_CTRL_DELAY_IORD(3)|
 264                  VAC_CTRL_RECOVERY_IOSELI(2)|
 265                  VAC_CTRL_DSACK0|VAC_CTRL_DSACK1|
 266                  VAC_CTRL_DELAY_DSACKI(8),VAC_IOSEL3_CTRL);
 267         vac_outw(VAC_CTRL_IOWR|
 268                  VAC_CTRL_DELAY_IOWR(3)|
 269                  VAC_CTRL_DELAY_IORD(3)|
 270                  VAC_CTRL_RECOVERY_IOSELI(2)|
 271                  VAC_CTRL_DELAY_DSACKI(8),VAC_IOSEL4_CTRL);
 272         vac_outw(VAC_CTRL_IOWR|
 273                  VAC_CTRL_DELAY_IOWR(3)|
 274                  VAC_CTRL_DELAY_IORD(3)|
 275                  VAC_CTRL_RECOVERY_IOSELI(2)|
 276                  VAC_CTRL_DELAY_DSACKI(8),VAC_IOSEL5_CTRL);
 277
 278         vac_show();
 279 }
 280
 281 static void __init vac_start(void)
 282 {
 283         vac_outw(0, VAC_ID);
 284         vac_outw(VAC_INT_CTRL_TIMER_DISABLE|
 285                  VAC_INT_CTRL_UART_B_DISABLE|
 286                  VAC_INT_CTRL_UART_A_DISABLE|
 287                  VAC_INT_CTRL_MBOX_DISABLE|
 288                  VAC_INT_CTRL_PIO4_DISABLE|
 289                  VAC_INT_CTRL_PIO7_DISABLE|
 290                  VAC_INT_CTRL_PIO8_DISABLE|
 291                  VAC_INT_CTRL_PIO9_DISABLE,VAC_INT_CTRL);
 292         vac_outw(VAC_INT_CTRL_TIMER_PIO10|
 293                  VAC_INT_CTRL_UART_B_PIO7|
 294                  VAC_INT_CTRL_UART_A_PIO7,VAC_INT_CTRL);
 295         /*
 296          *  Set quadro speed for both UARTs.
 297          *  To do it we need use formulae from VIC/VAC manual,
 298          *  keeping in mind Baget's 50MHz frequency...
 299          */
 300         vac_outw((500000/(384*16))<<8,VAC_CPU_CLK_DIV);
 301 }
 302
 303 static void __init vic_show(void)
 304 {
 305         unsigned char val;
 306         char *timeout[]  = { "4", "16", "32", "64", "128", "256", "disabled" };
 307         char *deadlock[] = { "[dedlk only]", "[dedlk only]",
 308                              "[dedlk], [halt w/ rmc], [lberr]",
 309                              "[dedlk], [halt w/o rmc], [lberr]" };
 310
 311         val = vic_inb(VIC_IFACE_CFG);
 312         if (val & VIC_IFACE_CFG_VME)
 313                 printk("VMEbus controller ");
 314         if (val & VIC_IFACE_CFG_TURBO)
 315                 printk("turbo ");
 316         if (val & VIC_IFACE_CFG_MSTAB)
 317                 printk("metastability delay ");
 318         printk("%s ",
 319                deadlock[VIC_IFACE_CFG_DEADLOCK_VAL(val)]);
 320
 321
 322         printk("interrupts: ");
 323         val = vic_inb(VIC_ERR_INT);
 324         if (!(val & VIC_ERR_INT_SYSFAIL))
 325                 printk("[sysfail]");
 326         if (!(val & VIC_ERR_INT_TIMO))
 327                 printk("[timeout]");
 328         if (!(val & VIC_ERR_INT_WRPOST))
 329                 printk("[write post]");
 330         if (!(val & VIC_ERR_INT_ACFAIL))
 331                 printk("[acfail] ");
 332         printk("\n");
 333
 334         printk("timeouts: ");
 335         val = vic_inb(VIC_XFER_TIMO);
 336         printk("local %s, vme %s ",
 337                timeout[VIC_XFER_TIMO_LOCAL_PERIOD_VAL(val)],
 338                timeout[VIC_XFER_TIMO_VME_PERIOD_VAL(val)]);
 339         if (val & VIC_XFER_TIMO_VME)
 340                 printk("acquisition ");
 341         if (val & VIC_XFER_TIMO_ARB)
 342                 printk("arbitration ");
 343         printk("\n");
 344
 345         val = vic_inb(VIC_LOCAL_TIM);
 346         printk("pas time: (%d,%d), ds time: %d\n",
 347                VIC_LOCAL_TIM_PAS_ASSERT_VAL(val),
 348                VIC_LOCAL_TIM_PAS_DEASSERT_VAL(val),
 349                VIC_LOCAT_TIM_DS_DEASSERT_VAL(val));
 350
 351         val = vic_inb(VIC_BXFER_DEF);
 352         printk("dma: ");
 353         if (val & VIC_BXFER_DEF_DUAL)
 354                 printk("[dual path]");
 355         if (val & VIC_BXFER_DEF_LOCAL_CROSS)
 356                 printk("[local boundary cross]");
 357         if (val & VIC_BXFER_DEF_VME_CROSS)
 358                 printk("[vme boundary cross]");
 359
 360 }
 361
 362 static void __init vic_init(void)
 363 {
 364          unsigned char id = vic_inb(VIC_ID);
 365          if ((id & 0xf0) != 0xf0)
 366                  panic("VIC not found");
 367          printk(" VIC068A Rev. %X: ", id & 0x0f);
 368
 369          vic_outb(VIC_INT_IPL(3)|VIC_INT_DISABLE,VIC_VME_II);
 370          vic_outb(VIC_INT_IPL(3)|VIC_INT_DISABLE,VIC_VME_INT1);
 371          vic_outb(VIC_INT_IPL(3)|VIC_INT_DISABLE,VIC_VME_INT2);
 372          vic_outb(VIC_INT_IPL(3)|VIC_INT_DISABLE,VIC_VME_INT3);
 373          vic_outb(VIC_INT_IPL(3)|VIC_INT_DISABLE,VIC_VME_INT4);
 374 /*
 375          vic_outb(VIC_INT_IPL(3)|VIC_INT_DISABLE, VIC_VME_INT5);
 376 */
 377          vic_outb(VIC_INT_IPL(3)|VIC_INT_DISABLE, VIC_VME_INT6);
 378
 379          vic_outb(VIC_INT_IPL(3)|VIC_INT_DISABLE, VIC_VME_INT7);
 380          vic_outb(VIC_INT_IPL(3)|VIC_INT_DISABLE, VIC_DMA_INT);
 381          vic_outb(VIC_INT_IPL(3)|VIC_INT_NOAUTO|VIC_INT_EDGE|
 382                   VIC_INT_LOW|VIC_INT_DISABLE, VIC_LINT1);
 383          vic_outb(VIC_INT_IPL(3)|VIC_INT_NOAUTO|VIC_INT_EDGE|
 384                   VIC_INT_HIGH|VIC_INT_DISABLE, VIC_LINT2);
 385          vic_outb(VIC_INT_IPL(3)|VIC_INT_NOAUTO|VIC_INT_EDGE|
 386                   VIC_INT_HIGH|VIC_INT_DISABLE, VIC_LINT3);
 387          vic_outb(VIC_INT_IPL(3)|VIC_INT_NOAUTO|VIC_INT_EDGE|
 388                   VIC_INT_LOW|VIC_INT_DISABLE, VIC_LINT4);
 389 /*
 390          vic_outb(VIC_INT_IPL(3)|VIC_INT_NOAUTO|VIC_INT_LEVEL|
 391                   VIC_INT_LOW|VIC_INT_DISABLE, VIC_LINT5);
 392 */
 393          vic_outb(VIC_INT_IPL(6)|VIC_INT_NOAUTO|VIC_INT_EDGE|
 394                   VIC_INT_LOW|VIC_INT_DISABLE, VIC_LINT6);
 395          vic_outb(VIC_INT_IPL(6)|VIC_INT_NOAUTO|VIC_INT_EDGE|
 396                   VIC_INT_LOW|VIC_INT_DISABLE, VIC_LINT7);
 397
 398          vic_outb(VIC_INT_IPL(3)|
 399                   VIC_INT_SWITCH(0)|
 400                   VIC_INT_SWITCH(1)|
 401                   VIC_INT_SWITCH(2)|
 402                   VIC_INT_SWITCH(3), VIC_ICGS_INT);
 403          vic_outb(VIC_INT_IPL(3)|
 404                   VIC_INT_SWITCH(0)|
 405                   VIC_INT_SWITCH(1)|
 406                   VIC_INT_SWITCH(2)|
 407                   VIC_INT_SWITCH(3), VIC_ICMS_INT);
 408          vic_outb(VIC_INT_IPL(6)|
 409                   VIC_ERR_INT_SYSFAIL|
 410                   VIC_ERR_INT_TIMO|
 411                   VIC_ERR_INT_WRPOST|
 412                   VIC_ERR_INT_ACFAIL, VIC_ERR_INT);
 413          vic_outb(VIC_ICxS_BASE_ID(0xf), VIC_ICGS_BASE);
 414          vic_outb(VIC_ICxS_BASE_ID(0xe), VIC_ICMS_BASE);
 415          vic_outb(VIC_LOCAL_BASE_ID(0x6), VIC_LOCAL_BASE);
 416          vic_outb(VIC_ERR_BASE_ID(0x3), VIC_ERR_BASE);
 417          vic_outb(VIC_XFER_TIMO_VME_PERIOD_32|
 418                   VIC_XFER_TIMO_LOCAL_PERIOD_32, VIC_XFER_TIMO);
 419          vic_outb(VIC_LOCAL_TIM_PAS_ASSERT(2)|
 420                   VIC_LOCAT_TIM_DS_DEASSERT(1)|
 421                   VIC_LOCAL_TIM_PAS_DEASSERT(1), VIC_LOCAL_TIM);
 422          vic_outb(VIC_BXFER_DEF_VME_CROSS|
 423                   VIC_BXFER_DEF_LOCAL_CROSS|
 424                   VIC_BXFER_DEF_AMSR|
 425                   VIC_BXFER_DEF_DUAL, VIC_BXFER_DEF);
 426          vic_outb(VIC_SSxCR0_LOCAL_XFER_SINGLE|
 427                   VIC_SSxCR0_A32|VIC_SSxCR0_D32|
 428                   VIC_SS0CR0_TIMER_FREQ_NONE, VIC_SS0CR0);
 429          vic_outb(VIC_SSxCR1_TF1(0xf)|
 430                   VIC_SSxCR1_TF2(0xf), VIC_SS0CR1);
 431          vic_outb(VIC_SSxCR0_LOCAL_XFER_SINGLE|
 432                   VIC_SSxCR0_A24|VIC_SSxCR0_D32, VIC_SS1CR0);
 433          vic_outb(VIC_SSxCR1_TF1(0xf)|
 434                   VIC_SSxCR1_TF2(0xf), VIC_SS1CR1);
 435          vic_outb(VIC_IFACE_CFG_NOHALT|
 436                   VIC_IFACE_CFG_NOTURBO, VIC_IFACE_CFG);
 437          vic_outb(VIC_AMS_CODE(0), VIC_AMS);
 438          vic_outb(VIC_BXFER_CTRL_INTERLEAVE(0), VIC_BXFER_CTRL);
 439          vic_outb(0, VIC_BXFER_LEN_LO);
 440          vic_outb(0, VIC_BXFER_LEN_HI);
 441          vic_outb(VIC_REQ_CFG_FAIRNESS_DISABLED|
 442                   VIC_REQ_CFG_LEVEL(3)|
 443                   VIC_REQ_CFG_RR_ARBITRATION, VIC_REQ_CFG);
 444          vic_outb(VIC_RELEASE_BLKXFER_BLEN(0)|
 445                   VIC_RELEASE_RWD, VIC_RELEASE);
 446          vic_outb(VIC_IC6_RUN, VIC_IC6);
 447          vic_outb(0, VIC_IC7);
 448
 449          vic_show();
 450 }
 451
 452 static void vic_start(void)
 453 {
 454         vic_outb(VIC_INT_IPL(3)|
 455                  VIC_INT_NOAUTO|
 456                  VIC_INT_EDGE|
 457                  VIC_INT_HIGH|
 458                  VIC_INT_ENABLE, VIC_LINT7);
 459 }
 460
 461 void __init baget_irq_setup(void)
 462 {
 463         extern void bagetIRQ(void);
 464
 465         /* Now, it's safe to set the exception vector. */
 466         set_except_vector(0, bagetIRQ);
 467 }
 468
 469 extern void baget_machine_restart(char *command);
 470 extern void baget_machine_halt(void);
 471 extern void baget_machine_power_off(void);
 472
 473 static void __init baget_setup(void)
 474 {
 475         printk("BT23/63-201n found.\n");
 476         *BAGET_WRERR_ACK = 0;
 477         irq_setup = baget_irq_setup;
 478
 479         _machine_restart   = baget_machine_restart;
 480         _machine_halt      = baget_machine_halt;
 481         _machine_power_off = baget_machine_power_off;
 482
 483         vac_init();
 484         vic_init();
 485         vac_start();
 486         vic_start();
 487 }
 488
 489 early_initcall(baget_setup);