arch/m32r/kernel/setup_m32700ut.c

   1 /*
   2  *  linux/arch/m32r/kernel/setup_m32700ut.c
   3  *
   4  *  Setup routines for Renesas M32700UT Board
   5  *
   6  *  Copyright (c) 2002  Hiroyuki Kondo, Hirokazu Takata,
   7  *                      Hitoshi Yamamoto, Takeo Takahashi
   8  *
   9  *  This file is subject to the terms and conditions of the GNU General
  10  *  Public License.  See the file "COPYING" in the main directory of this
  11  *  archive for more details.
  12  */
  13
  14 #include <linux/config.h>
  15 #include <linux/irq.h>
  16 #include <linux/kernel.h>
  17 #include <linux/init.h>
  18 #include <linux/device.h>
  19
  20 #include <asm/system.h>
  21 #include <asm/m32r.h>
  22 #include <asm/io.h>
  23
  24 /*
  25  * M32700 Interrupt Control Unit (Level 1)
  26  */
  27 #define irq2port(x) (M32R_ICU_CR1_PORTL + ((x - 1) * sizeof(unsigned long)))
  28
  29 #ifndef CONFIG_SMP
  30 typedef struct {
  31         unsigned long icucr;  /* ICU Control Register */
  32 } icu_data_t;
  33 #endif /* CONFIG_SMP */
  34
  35 static icu_data_t icu_data[M32700UT_NUM_CPU_IRQ];
  36
  37 static void disable_m32700ut_irq(unsigned int irq)
  38 {
  39         unsigned long port, data;
  40
  41         port = irq2port(irq);
  42         data = icu_data[irq].icucr|M32R_ICUCR_ILEVEL7;
  43         outl(data, port);
  44 }
  45
  46 static void enable_m32700ut_irq(unsigned int irq)
  47 {
  48         unsigned long port, data;
  49
  50         port = irq2port(irq);
  51         data = icu_data[irq].icucr|M32R_ICUCR_IEN|M32R_ICUCR_ILEVEL6;
  52         outl(data, port);
  53 }
  54
  55 static void mask_and_ack_m32700ut(unsigned int irq)
  56 {
  57         disable_m32700ut_irq(irq);
  58 }
  59
  60 static void end_m32700ut_irq(unsigned int irq)
  61 {
  62         enable_m32700ut_irq(irq);
  63 }
  64
  65 static unsigned int startup_m32700ut_irq(unsigned int irq)
  66 {
  67         enable_m32700ut_irq(irq);
  68         return (0);
  69 }
  70
  71 static void shutdown_m32700ut_irq(unsigned int irq)
  72 {
  73         unsigned long port;
  74
  75         port = irq2port(irq);
  76         outl(M32R_ICUCR_ILEVEL7, port);
  77 }
  78
  79 static struct hw_interrupt_type m32700ut_irq_type =
  80 {
  81         "M32700UT-IRQ",
  82         startup_m32700ut_irq,
  83         shutdown_m32700ut_irq,
  84         enable_m32700ut_irq,
  85         disable_m32700ut_irq,
  86         mask_and_ack_m32700ut,
  87         end_m32700ut_irq
  88 };
  89
  90 /*
  91  * Interrupt Control Unit of PLD on M32700UT (Level 2)
  92  */
  93 #define irq2pldirq(x)           ((x) - M32700UT_PLD_IRQ_BASE)
  94 #define pldirq2port(x)          (unsigned long)((int)PLD_ICUCR1 + \
  95                                  (((x) - 1) * sizeof(unsigned short)))
  96
  97 typedef struct {
  98         unsigned short icucr;  /* ICU Control Register */
  99 } pld_icu_data_t;
 100
 101 static pld_icu_data_t pld_icu_data[M32700UT_NUM_PLD_IRQ];
 102
 103 static void disable_m32700ut_pld_irq(unsigned int irq)
 104 {
 105         unsigned long port, data;
 106         unsigned int pldirq;
 107
 108         pldirq = irq2pldirq(irq);
 109 //      disable_m32700ut_irq(M32R_IRQ_INT1);
 110         port = pldirq2port(pldirq);
 111         data = pld_icu_data[pldirq].icucr|PLD_ICUCR_ILEVEL7;
 112         outw(data, port);
 113 }
 114
 115 static void enable_m32700ut_pld_irq(unsigned int irq)
 116 {
 117         unsigned long port, data;
 118         unsigned int pldirq;
 119
 120         pldirq = irq2pldirq(irq);
 121 //      enable_m32700ut_irq(M32R_IRQ_INT1);
 122         port = pldirq2port(pldirq);
 123         data = pld_icu_data[pldirq].icucr|PLD_ICUCR_IEN|PLD_ICUCR_ILEVEL6;
 124         outw(data, port);
 125 }
 126
 127 static void mask_and_ack_m32700ut_pld(unsigned int irq)
 128 {
 129         disable_m32700ut_pld_irq(irq);
 130 //      mask_and_ack_m32700ut(M32R_IRQ_INT1);
 131 }
 132
 133 static void end_m32700ut_pld_irq(unsigned int irq)
 134 {
 135         enable_m32700ut_pld_irq(irq);
 136         end_m32700ut_irq(M32R_IRQ_INT1);
 137 }
 138
 139 static unsigned int startup_m32700ut_pld_irq(unsigned int irq)
 140 {
 141         enable_m32700ut_pld_irq(irq);
 142         return (0);
 143 }
 144
 145 static void shutdown_m32700ut_pld_irq(unsigned int irq)
 146 {
 147         unsigned long port;
 148         unsigned int pldirq;
 149
 150         pldirq = irq2pldirq(irq);
 151 //      shutdown_m32700ut_irq(M32R_IRQ_INT1);
 152         port = pldirq2port(pldirq);
 153         outw(PLD_ICUCR_ILEVEL7, port);
 154 }
 155
 156 static struct hw_interrupt_type m32700ut_pld_irq_type =
 157 {
 158         "M32700UT-PLD-IRQ",
 159         startup_m32700ut_pld_irq,
 160         shutdown_m32700ut_pld_irq,
 161         enable_m32700ut_pld_irq,
 162         disable_m32700ut_pld_irq,
 163         mask_and_ack_m32700ut_pld,
 164         end_m32700ut_pld_irq
 165 };
 166
 167 /*
 168  * Interrupt Control Unit of PLD on M32700UT-LAN (Level 2)
 169  */
 170 #define irq2lanpldirq(x)        ((x) - M32700UT_LAN_PLD_IRQ_BASE)
 171 #define lanpldirq2port(x)       (unsigned long)((int)M32700UT_LAN_ICUCR1 + \
 172                                  (((x) - 1) * sizeof(unsigned short)))
 173
 174 static pld_icu_data_t lanpld_icu_data[M32700UT_NUM_LAN_PLD_IRQ];
 175
 176 static void disable_m32700ut_lanpld_irq(unsigned int irq)
 177 {
 178         unsigned long port, data;
 179         unsigned int pldirq;
 180
 181         pldirq = irq2lanpldirq(irq);
 182         port = lanpldirq2port(pldirq);
 183         data = lanpld_icu_data[pldirq].icucr|PLD_ICUCR_ILEVEL7;
 184         outw(data, port);
 185 }
 186
 187 static void enable_m32700ut_lanpld_irq(unsigned int irq)
 188 {
 189         unsigned long port, data;
 190         unsigned int pldirq;
 191
 192         pldirq = irq2lanpldirq(irq);
 193         port = lanpldirq2port(pldirq);
 194         data = lanpld_icu_data[pldirq].icucr|PLD_ICUCR_IEN|PLD_ICUCR_ILEVEL6;
 195         outw(data, port);
 196 }
 197
 198 static void mask_and_ack_m32700ut_lanpld(unsigned int irq)
 199 {
 200         disable_m32700ut_lanpld_irq(irq);
 201 }
 202
 203 static void end_m32700ut_lanpld_irq(unsigned int irq)
 204 {
 205         enable_m32700ut_lanpld_irq(irq);
 206         end_m32700ut_irq(M32R_IRQ_INT0);
 207 }
 208
 209 static unsigned int startup_m32700ut_lanpld_irq(unsigned int irq)
 210 {
 211         enable_m32700ut_lanpld_irq(irq);
 212         return (0);
 213 }
 214
 215 static void shutdown_m32700ut_lanpld_irq(unsigned int irq)
 216 {
 217         unsigned long port;
 218         unsigned int pldirq;
 219
 220         pldirq = irq2lanpldirq(irq);
 221         port = lanpldirq2port(pldirq);
 222         outw(PLD_ICUCR_ILEVEL7, port);
 223 }
 224
 225 static struct hw_interrupt_type m32700ut_lanpld_irq_type =
 226 {
 227         "M32700UT-PLD-LAN-IRQ",
 228         startup_m32700ut_lanpld_irq,
 229         shutdown_m32700ut_lanpld_irq,
 230         enable_m32700ut_lanpld_irq,
 231         disable_m32700ut_lanpld_irq,
 232         mask_and_ack_m32700ut_lanpld,
 233         end_m32700ut_lanpld_irq
 234 };
 235
 236 /*
 237  * Interrupt Control Unit of PLD on M32700UT-LCD (Level 2)
 238  */
 239 #define irq2lcdpldirq(x)        ((x) - M32700UT_LCD_PLD_IRQ_BASE)
 240 #define lcdpldirq2port(x)       (unsigned long)((int)M32700UT_LCD_ICUCR1 + \
 241                                  (((x) - 1) * sizeof(unsigned short)))
 242
 243 static pld_icu_data_t lcdpld_icu_data[M32700UT_NUM_LCD_PLD_IRQ];
 244
 245 static void disable_m32700ut_lcdpld_irq(unsigned int irq)
 246 {
 247         unsigned long port, data;
 248         unsigned int pldirq;
 249
 250         pldirq = irq2lcdpldirq(irq);
 251         port = lcdpldirq2port(pldirq);
 252         data = lcdpld_icu_data[pldirq].icucr|PLD_ICUCR_ILEVEL7;
 253         outw(data, port);
 254 }
 255
 256 static void enable_m32700ut_lcdpld_irq(unsigned int irq)
 257 {
 258         unsigned long port, data;
 259         unsigned int pldirq;
 260
 261         pldirq = irq2lcdpldirq(irq);
 262         port = lcdpldirq2port(pldirq);
 263         data = lcdpld_icu_data[pldirq].icucr|PLD_ICUCR_IEN|PLD_ICUCR_ILEVEL6;
 264         outw(data, port);
 265 }
 266
 267 static void mask_and_ack_m32700ut_lcdpld(unsigned int irq)
 268 {
 269         disable_m32700ut_lcdpld_irq(irq);
 270 }
 271
 272 static void end_m32700ut_lcdpld_irq(unsigned int irq)
 273 {
 274         enable_m32700ut_lcdpld_irq(irq);
 275         end_m32700ut_irq(M32R_IRQ_INT2);
 276 }
 277
 278 static unsigned int startup_m32700ut_lcdpld_irq(unsigned int irq)
 279 {
 280         enable_m32700ut_lcdpld_irq(irq);
 281         return (0);
 282 }
 283
 284 static void shutdown_m32700ut_lcdpld_irq(unsigned int irq)
 285 {
 286         unsigned long port;
 287         unsigned int pldirq;
 288
 289         pldirq = irq2lcdpldirq(irq);
 290         port = lcdpldirq2port(pldirq);
 291         outw(PLD_ICUCR_ILEVEL7, port);
 292 }
 293
 294 static struct hw_interrupt_type m32700ut_lcdpld_irq_type =
 295 {
 296         "M32700UT-PLD-LCD-IRQ",
 297         startup_m32700ut_lcdpld_irq,
 298         shutdown_m32700ut_lcdpld_irq,
 299         enable_m32700ut_lcdpld_irq,
 300         disable_m32700ut_lcdpld_irq,
 301         mask_and_ack_m32700ut_lcdpld,
 302         end_m32700ut_lcdpld_irq
 303 };
 304
 305 void __init init_IRQ(void)
 306 {
 307 #if defined(CONFIG_SMC91X)
 308         /* INT#0: LAN controller on M32700UT-LAN (SMC91C111)*/
 309         irq_desc[M32700UT_LAN_IRQ_LAN].status = IRQ_DISABLED;
 310         irq_desc[M32700UT_LAN_IRQ_LAN].handler = &m32700ut_lanpld_irq_type;
 311         irq_desc[M32700UT_LAN_IRQ_LAN].action = 0;
 312         irq_desc[M32700UT_LAN_IRQ_LAN].depth = 1;       /* disable nested irq */
 313         lanpld_icu_data[irq2lanpldirq(M32700UT_LAN_IRQ_LAN)].icucr = PLD_ICUCR_IEN|PLD_ICUCR_ISMOD02;   /* "H" edge sense */
 314         disable_m32700ut_lanpld_irq(M32700UT_LAN_IRQ_LAN);
 315 #endif  /* CONFIG_SMC91X */
 316
 317         /* MFT2 : system timer */
 318         irq_desc[M32R_IRQ_MFT2].status = IRQ_DISABLED;
 319         irq_desc[M32R_IRQ_MFT2].handler = &m32700ut_irq_type;
 320         irq_desc[M32R_IRQ_MFT2].action = 0;
 321         irq_desc[M32R_IRQ_MFT2].depth = 1;
 322         icu_data[M32R_IRQ_MFT2].icucr = M32R_ICUCR_IEN;
 323         disable_m32700ut_irq(M32R_IRQ_MFT2);
 324
 325         /* SIO0 : receive */
 326         irq_desc[M32R_IRQ_SIO0_R].status = IRQ_DISABLED;
 327         irq_desc[M32R_IRQ_SIO0_R].handler = &m32700ut_irq_type;
 328         irq_desc[M32R_IRQ_SIO0_R].action = 0;
 329         irq_desc[M32R_IRQ_SIO0_R].depth = 1;
 330         icu_data[M32R_IRQ_SIO0_R].icucr = 0;
 331         disable_m32700ut_irq(M32R_IRQ_SIO0_R);
 332
 333         /* SIO0 : send */
 334         irq_desc[M32R_IRQ_SIO0_S].status = IRQ_DISABLED;
 335         irq_desc[M32R_IRQ_SIO0_S].handler = &m32700ut_irq_type;
 336         irq_desc[M32R_IRQ_SIO0_S].action = 0;
 337         irq_desc[M32R_IRQ_SIO0_S].depth = 1;
 338         icu_data[M32R_IRQ_SIO0_S].icucr = 0;
 339         disable_m32700ut_irq(M32R_IRQ_SIO0_S);
 340
 341         /* SIO1 : receive */
 342         irq_desc[M32R_IRQ_SIO1_R].status = IRQ_DISABLED;
 343         irq_desc[M32R_IRQ_SIO1_R].handler = &m32700ut_irq_type;
 344         irq_desc[M32R_IRQ_SIO1_R].action = 0;
 345         irq_desc[M32R_IRQ_SIO1_R].depth = 1;
 346         icu_data[M32R_IRQ_SIO1_R].icucr = 0;
 347         disable_m32700ut_irq(M32R_IRQ_SIO1_R);
 348
 349         /* SIO1 : send */
 350         irq_desc[M32R_IRQ_SIO1_S].status = IRQ_DISABLED;
 351         irq_desc[M32R_IRQ_SIO1_S].handler = &m32700ut_irq_type;
 352         irq_desc[M32R_IRQ_SIO1_S].action = 0;
 353         irq_desc[M32R_IRQ_SIO1_S].depth = 1;
 354         icu_data[M32R_IRQ_SIO1_S].icucr = 0;
 355         disable_m32700ut_irq(M32R_IRQ_SIO1_S);
 356
 357         /* DMA1 : */
 358         irq_desc[M32R_IRQ_DMA1].status = IRQ_DISABLED;
 359         irq_desc[M32R_IRQ_DMA1].handler = &m32700ut_irq_type;
 360         irq_desc[M32R_IRQ_DMA1].action = 0;
 361         irq_desc[M32R_IRQ_DMA1].depth = 1;
 362         icu_data[M32R_IRQ_DMA1].icucr = 0;
 363         disable_m32700ut_irq(M32R_IRQ_DMA1);
 364
 365 #ifdef CONFIG_SERIAL_M32R_PLDSIO
 366         /* INT#1: SIO0 Receive on PLD */
 367         irq_desc[PLD_IRQ_SIO0_RCV].status = IRQ_DISABLED;
 368         irq_desc[PLD_IRQ_SIO0_RCV].handler = &m32700ut_pld_irq_type;
 369         irq_desc[PLD_IRQ_SIO0_RCV].action = 0;
 370         irq_desc[PLD_IRQ_SIO0_RCV].depth = 1;   /* disable nested irq */
 371         pld_icu_data[irq2pldirq(PLD_IRQ_SIO0_RCV)].icucr = PLD_ICUCR_IEN|PLD_ICUCR_ISMOD03;
 372         disable_m32700ut_pld_irq(PLD_IRQ_SIO0_RCV);
 373
 374         /* INT#1: SIO0 Send on PLD */
 375         irq_desc[PLD_IRQ_SIO0_SND].status = IRQ_DISABLED;
 376         irq_desc[PLD_IRQ_SIO0_SND].handler = &m32700ut_pld_irq_type;
 377         irq_desc[PLD_IRQ_SIO0_SND].action = 0;
 378         irq_desc[PLD_IRQ_SIO0_SND].depth = 1;   /* disable nested irq */
 379         pld_icu_data[irq2pldirq(PLD_IRQ_SIO0_SND)].icucr = PLD_ICUCR_IEN|PLD_ICUCR_ISMOD03;
 380         disable_m32700ut_pld_irq(PLD_IRQ_SIO0_SND);
 381 #endif  /* CONFIG_SERIAL_M32R_PLDSIO */
 382
 383         /* INT#1: CFC IREQ on PLD */
 384         irq_desc[PLD_IRQ_CFIREQ].status = IRQ_DISABLED;
 385         irq_desc[PLD_IRQ_CFIREQ].handler = &m32700ut_pld_irq_type;
 386         irq_desc[PLD_IRQ_CFIREQ].action = 0;
 387         irq_desc[PLD_IRQ_CFIREQ].depth = 1;     /* disable nested irq */
 388         pld_icu_data[irq2pldirq(PLD_IRQ_CFIREQ)].icucr = PLD_ICUCR_IEN|PLD_ICUCR_ISMOD01;       /* 'L' level sense */
 389         disable_m32700ut_pld_irq(PLD_IRQ_CFIREQ);
 390
 391         /* INT#1: CFC Insert on PLD */
 392         irq_desc[PLD_IRQ_CFC_INSERT].status = IRQ_DISABLED;
 393         irq_desc[PLD_IRQ_CFC_INSERT].handler = &m32700ut_pld_irq_type;
 394         irq_desc[PLD_IRQ_CFC_INSERT].action = 0;
 395         irq_desc[PLD_IRQ_CFC_INSERT].depth = 1; /* disable nested irq */
 396         pld_icu_data[irq2pldirq(PLD_IRQ_CFC_INSERT)].icucr = PLD_ICUCR_IEN|PLD_ICUCR_ISMOD00;   /* 'L' edge sense */
 397         disable_m32700ut_pld_irq(PLD_IRQ_CFC_INSERT);
 398
 399         /* INT#1: CFC Eject on PLD */
 400         irq_desc[PLD_IRQ_CFC_EJECT].status = IRQ_DISABLED;
 401         irq_desc[PLD_IRQ_CFC_EJECT].handler = &m32700ut_pld_irq_type;
 402         irq_desc[PLD_IRQ_CFC_EJECT].action = 0;
 403         irq_desc[PLD_IRQ_CFC_EJECT].depth = 1;  /* disable nested irq */
 404         pld_icu_data[irq2pldirq(PLD_IRQ_CFC_EJECT)].icucr = PLD_ICUCR_IEN|PLD_ICUCR_ISMOD02;    /* 'H' edge sense */
 405         disable_m32700ut_pld_irq(PLD_IRQ_CFC_EJECT);
 406
 407         /*
 408          * INT0# is used for LAN, DIO
 409          * We enable it here.
 410          */
 411         icu_data[M32R_IRQ_INT0].icucr = M32R_ICUCR_IEN|M32R_ICUCR_ISMOD11;
 412         enable_m32700ut_irq(M32R_IRQ_INT0);
 413
 414         /*
 415          * INT1# is used for UART, MMC, CF Controller in FPGA.
 416          * We enable it here.
 417          */
 418         icu_data[M32R_IRQ_INT1].icucr = M32R_ICUCR_IEN|M32R_ICUCR_ISMOD11;
 419         enable_m32700ut_irq(M32R_IRQ_INT1);
 420
 421 #if defined(CONFIG_USB)
 422         outw(USBCR_OTGS, USBCR);        /* USBCR: non-OTG */
 423
 424     irq_desc[M32700UT_LCD_IRQ_USB_INT1].status = IRQ_DISABLED;
 425     irq_desc[M32700UT_LCD_IRQ_USB_INT1].handler = &m32700ut_lcdpld_irq_type;
 426     irq_desc[M32700UT_LCD_IRQ_USB_INT1].action = 0;
 427     irq_desc[M32700UT_LCD_IRQ_USB_INT1].depth = 1;
 428     lcdpld_icu_data[irq2lcdpldirq(M32700UT_LCD_IRQ_USB_INT1)].icucr = PLD_ICUCR_IEN|PLD_ICUCR_ISMOD01;  /* "L" level sense */
 429     disable_m32700ut_lcdpld_irq(M32700UT_LCD_IRQ_USB_INT1);
 430 #endif
 431         /*
 432          * INT2# is used for BAT, USB, AUDIO
 433          * We enable it here.
 434          */
 435         icu_data[M32R_IRQ_INT2].icucr = M32R_ICUCR_IEN|M32R_ICUCR_ISMOD01;
 436         enable_m32700ut_irq(M32R_IRQ_INT2);
 437
 438 //#if defined(CONFIG_M32R_AR_VGA)
 439         /*
 440          * INT3# is used for AR
 441          */
 442         irq_desc[M32R_IRQ_INT3].status = IRQ_DISABLED;
 443         irq_desc[M32R_IRQ_INT3].handler = &m32700ut_irq_type;
 444         irq_desc[M32R_IRQ_INT3].action = 0;
 445         irq_desc[M32R_IRQ_INT3].depth = 1;
 446         icu_data[M32R_IRQ_INT3].icucr = M32R_ICUCR_IEN|M32R_ICUCR_ISMOD10;
 447         disable_m32700ut_irq(M32R_IRQ_INT3);
 448 //#endif        /* CONFIG_M32R_ARV */
 449 }
 450
 451 #define LAN_IOSTART     0x300
 452 #define LAN_IOEND       0x320
 453 static struct resource smc91x_resources[] = {
 454         [0] = {
 455                 .start  = (LAN_IOSTART),
 456                 .end    = (LAN_IOEND),
 457                 .flags  = IORESOURCE_MEM,
 458         },
 459         [1] = {
 460                 .start  = M32700UT_LAN_IRQ_LAN,
 461                 .end    = M32700UT_LAN_IRQ_LAN,
 462                 .flags  = IORESOURCE_IRQ,
 463         }
 464 };
 465
 466 static struct platform_device smc91x_device = {
 467         .name           = "smc91x",
 468         .id             = 0,
 469         .num_resources  = ARRAY_SIZE(smc91x_resources),
 470         .resource       = smc91x_resources,
 471 };
 472
 473 static int __init platform_init(void)
 474 {
 475         platform_device_register(&smc91x_device);
 476         return 0;
 477 }
 478 arch_initcall(platform_init);