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   1 /*
   2  *  linux/arch/m32r/kernel/setup_m32700ut.c
   3  *
   4  *  Setup routines for Renesas M32700UT Board
   5  *
   6  *  Copyright (c) 2002-2005  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/irq.h>
  15 #include <linux/kernel.h>
  16 #include <linux/init.h>
  17 #include <linux/platform_device.h>
  18
  19 #include <asm/system.h>
  20 #include <asm/m32r.h>
  21 #include <asm/io.h>
  22
  23 /*
  24  * M32700 Interrupt Control Unit (Level 1)
  25  */
  26 #define irq2port(x) (M32R_ICU_CR1_PORTL + ((x - 1) * sizeof(unsigned long)))
  27
  28 icu_data_t icu_data[M32700UT_NUM_CPU_IRQ];
  29
  30 static void disable_m32700ut_irq(unsigned int irq)
  31 {
  32         unsigned long port, data;
  33
  34         port = irq2port(irq);
  35         data = icu_data[irq].icucr|M32R_ICUCR_ILEVEL7;
  36         outl(data, port);
  37 }
  38
  39 static void enable_m32700ut_irq(unsigned int irq)
  40 {
  41         unsigned long port, data;
  42
  43         port = irq2port(irq);
  44         data = icu_data[irq].icucr|M32R_ICUCR_IEN|M32R_ICUCR_ILEVEL6;
  45         outl(data, port);
  46 }
  47
  48 static void mask_and_ack_m32700ut(unsigned int irq)
  49 {
  50         disable_m32700ut_irq(irq);
  51 }
  52
  53 static void end_m32700ut_irq(unsigned int irq)
  54 {
  55         enable_m32700ut_irq(irq);
  56 }
  57
  58 static unsigned int startup_m32700ut_irq(unsigned int irq)
  59 {
  60         enable_m32700ut_irq(irq);
  61         return (0);
  62 }
  63
  64 static void shutdown_m32700ut_irq(unsigned int irq)
  65 {
  66         unsigned long port;
  67
  68         port = irq2port(irq);
  69         outl(M32R_ICUCR_ILEVEL7, port);
  70 }
  71
  72 static struct hw_interrupt_type m32700ut_irq_type =
  73 {
  74         .typename = "M32700UT-IRQ",
  75         .startup = startup_m32700ut_irq,
  76         .shutdown = shutdown_m32700ut_irq,
  77         .enable = enable_m32700ut_irq,
  78         .disable = disable_m32700ut_irq,
  79         .ack = mask_and_ack_m32700ut,
  80         .end = end_m32700ut_irq
  81 };
  82
  83 /*
  84  * Interrupt Control Unit of PLD on M32700UT (Level 2)
  85  */
  86 #define irq2pldirq(x)           ((x) - M32700UT_PLD_IRQ_BASE)
  87 #define pldirq2port(x)          (unsigned long)((int)PLD_ICUCR1 + \
  88                                  (((x) - 1) * sizeof(unsigned short)))
  89
  90 typedef struct {
  91         unsigned short icucr;  /* ICU Control Register */
  92 } pld_icu_data_t;
  93
  94 static pld_icu_data_t pld_icu_data[M32700UT_NUM_PLD_IRQ];
  95
  96 static void disable_m32700ut_pld_irq(unsigned int irq)
  97 {
  98         unsigned long port, data;
  99         unsigned int pldirq;
 100
 101         pldirq = irq2pldirq(irq);
 102 //      disable_m32700ut_irq(M32R_IRQ_INT1);
 103         port = pldirq2port(pldirq);
 104         data = pld_icu_data[pldirq].icucr|PLD_ICUCR_ILEVEL7;
 105         outw(data, port);
 106 }
 107
 108 static void enable_m32700ut_pld_irq(unsigned int irq)
 109 {
 110         unsigned long port, data;
 111         unsigned int pldirq;
 112
 113         pldirq = irq2pldirq(irq);
 114 //      enable_m32700ut_irq(M32R_IRQ_INT1);
 115         port = pldirq2port(pldirq);
 116         data = pld_icu_data[pldirq].icucr|PLD_ICUCR_IEN|PLD_ICUCR_ILEVEL6;
 117         outw(data, port);
 118 }
 119
 120 static void mask_and_ack_m32700ut_pld(unsigned int irq)
 121 {
 122         disable_m32700ut_pld_irq(irq);
 123 //      mask_and_ack_m32700ut(M32R_IRQ_INT1);
 124 }
 125
 126 static void end_m32700ut_pld_irq(unsigned int irq)
 127 {
 128         enable_m32700ut_pld_irq(irq);
 129         end_m32700ut_irq(M32R_IRQ_INT1);
 130 }
 131
 132 static unsigned int startup_m32700ut_pld_irq(unsigned int irq)
 133 {
 134         enable_m32700ut_pld_irq(irq);
 135         return (0);
 136 }
 137
 138 static void shutdown_m32700ut_pld_irq(unsigned int irq)
 139 {
 140         unsigned long port;
 141         unsigned int pldirq;
 142
 143         pldirq = irq2pldirq(irq);
 144 //      shutdown_m32700ut_irq(M32R_IRQ_INT1);
 145         port = pldirq2port(pldirq);
 146         outw(PLD_ICUCR_ILEVEL7, port);
 147 }
 148
 149 static struct hw_interrupt_type m32700ut_pld_irq_type =
 150 {
 151         .typename = "M32700UT-PLD-IRQ",
 152         .startup = startup_m32700ut_pld_irq,
 153         .shutdown = shutdown_m32700ut_pld_irq,
 154         .enable = enable_m32700ut_pld_irq,
 155         .disable = disable_m32700ut_pld_irq,
 156         .ack = mask_and_ack_m32700ut_pld,
 157         .end = end_m32700ut_pld_irq
 158 };
 159
 160 /*
 161  * Interrupt Control Unit of PLD on M32700UT-LAN (Level 2)
 162  */
 163 #define irq2lanpldirq(x)        ((x) - M32700UT_LAN_PLD_IRQ_BASE)
 164 #define lanpldirq2port(x)       (unsigned long)((int)M32700UT_LAN_ICUCR1 + \
 165                                  (((x) - 1) * sizeof(unsigned short)))
 166
 167 static pld_icu_data_t lanpld_icu_data[M32700UT_NUM_LAN_PLD_IRQ];
 168
 169 static void disable_m32700ut_lanpld_irq(unsigned int irq)
 170 {
 171         unsigned long port, data;
 172         unsigned int pldirq;
 173
 174         pldirq = irq2lanpldirq(irq);
 175         port = lanpldirq2port(pldirq);
 176         data = lanpld_icu_data[pldirq].icucr|PLD_ICUCR_ILEVEL7;
 177         outw(data, port);
 178 }
 179
 180 static void enable_m32700ut_lanpld_irq(unsigned int irq)
 181 {
 182         unsigned long port, data;
 183         unsigned int pldirq;
 184
 185         pldirq = irq2lanpldirq(irq);
 186         port = lanpldirq2port(pldirq);
 187         data = lanpld_icu_data[pldirq].icucr|PLD_ICUCR_IEN|PLD_ICUCR_ILEVEL6;
 188         outw(data, port);
 189 }
 190
 191 static void mask_and_ack_m32700ut_lanpld(unsigned int irq)
 192 {
 193         disable_m32700ut_lanpld_irq(irq);
 194 }
 195
 196 static void end_m32700ut_lanpld_irq(unsigned int irq)
 197 {
 198         enable_m32700ut_lanpld_irq(irq);
 199         end_m32700ut_irq(M32R_IRQ_INT0);
 200 }
 201
 202 static unsigned int startup_m32700ut_lanpld_irq(unsigned int irq)
 203 {
 204         enable_m32700ut_lanpld_irq(irq);
 205         return (0);
 206 }
 207
 208 static void shutdown_m32700ut_lanpld_irq(unsigned int irq)
 209 {
 210         unsigned long port;
 211         unsigned int pldirq;
 212
 213         pldirq = irq2lanpldirq(irq);
 214         port = lanpldirq2port(pldirq);
 215         outw(PLD_ICUCR_ILEVEL7, port);
 216 }
 217
 218 static struct hw_interrupt_type m32700ut_lanpld_irq_type =
 219 {
 220         .typename = "M32700UT-PLD-LAN-IRQ",
 221         .startup = startup_m32700ut_lanpld_irq,
 222         .shutdown = shutdown_m32700ut_lanpld_irq,
 223         .enable = enable_m32700ut_lanpld_irq,
 224         .disable = disable_m32700ut_lanpld_irq,
 225         .ack = mask_and_ack_m32700ut_lanpld,
 226         .end = end_m32700ut_lanpld_irq
 227 };
 228
 229 /*
 230  * Interrupt Control Unit of PLD on M32700UT-LCD (Level 2)
 231  */
 232 #define irq2lcdpldirq(x)        ((x) - M32700UT_LCD_PLD_IRQ_BASE)
 233 #define lcdpldirq2port(x)       (unsigned long)((int)M32700UT_LCD_ICUCR1 + \
 234                                  (((x) - 1) * sizeof(unsigned short)))
 235
 236 static pld_icu_data_t lcdpld_icu_data[M32700UT_NUM_LCD_PLD_IRQ];
 237
 238 static void disable_m32700ut_lcdpld_irq(unsigned int irq)
 239 {
 240         unsigned long port, data;
 241         unsigned int pldirq;
 242
 243         pldirq = irq2lcdpldirq(irq);
 244         port = lcdpldirq2port(pldirq);
 245         data = lcdpld_icu_data[pldirq].icucr|PLD_ICUCR_ILEVEL7;
 246         outw(data, port);
 247 }
 248
 249 static void enable_m32700ut_lcdpld_irq(unsigned int irq)
 250 {
 251         unsigned long port, data;
 252         unsigned int pldirq;
 253
 254         pldirq = irq2lcdpldirq(irq);
 255         port = lcdpldirq2port(pldirq);
 256         data = lcdpld_icu_data[pldirq].icucr|PLD_ICUCR_IEN|PLD_ICUCR_ILEVEL6;
 257         outw(data, port);
 258 }
 259
 260 static void mask_and_ack_m32700ut_lcdpld(unsigned int irq)
 261 {
 262         disable_m32700ut_lcdpld_irq(irq);
 263 }
 264
 265 static void end_m32700ut_lcdpld_irq(unsigned int irq)
 266 {
 267         enable_m32700ut_lcdpld_irq(irq);
 268         end_m32700ut_irq(M32R_IRQ_INT2);
 269 }
 270
 271 static unsigned int startup_m32700ut_lcdpld_irq(unsigned int irq)
 272 {
 273         enable_m32700ut_lcdpld_irq(irq);
 274         return (0);
 275 }
 276
 277 static void shutdown_m32700ut_lcdpld_irq(unsigned int irq)
 278 {
 279         unsigned long port;
 280         unsigned int pldirq;
 281
 282         pldirq = irq2lcdpldirq(irq);
 283         port = lcdpldirq2port(pldirq);
 284         outw(PLD_ICUCR_ILEVEL7, port);
 285 }
 286
 287 static struct hw_interrupt_type m32700ut_lcdpld_irq_type =
 288 {
 289         .typename = "M32700UT-PLD-LCD-IRQ",
 290         .startup = startup_m32700ut_lcdpld_irq,
 291         .shutdown = shutdown_m32700ut_lcdpld_irq,
 292         .enable = enable_m32700ut_lcdpld_irq,
 293         .disable = disable_m32700ut_lcdpld_irq,
 294         .ack = mask_and_ack_m32700ut_lcdpld,
 295         .end = end_m32700ut_lcdpld_irq
 296 };
 297
 298 void __init init_IRQ(void)
 299 {
 300 #if defined(CONFIG_SMC91X)
 301         /* INT#0: LAN controller on M32700UT-LAN (SMC91C111)*/
 302         irq_desc[M32700UT_LAN_IRQ_LAN].status = IRQ_DISABLED;
 303         irq_desc[M32700UT_LAN_IRQ_LAN].chip = &m32700ut_lanpld_irq_type;
 304         irq_desc[M32700UT_LAN_IRQ_LAN].action = 0;
 305         irq_desc[M32700UT_LAN_IRQ_LAN].depth = 1;       /* disable nested irq */
 306         lanpld_icu_data[irq2lanpldirq(M32700UT_LAN_IRQ_LAN)].icucr = PLD_ICUCR_IEN|PLD_ICUCR_ISMOD02;   /* "H" edge sense */
 307         disable_m32700ut_lanpld_irq(M32700UT_LAN_IRQ_LAN);
 308 #endif  /* CONFIG_SMC91X */
 309
 310         /* MFT2 : system timer */
 311         irq_desc[M32R_IRQ_MFT2].status = IRQ_DISABLED;
 312         irq_desc[M32R_IRQ_MFT2].chip = &m32700ut_irq_type;
 313         irq_desc[M32R_IRQ_MFT2].action = 0;
 314         irq_desc[M32R_IRQ_MFT2].depth = 1;
 315         icu_data[M32R_IRQ_MFT2].icucr = M32R_ICUCR_IEN;
 316         disable_m32700ut_irq(M32R_IRQ_MFT2);
 317
 318         /* SIO0 : receive */
 319         irq_desc[M32R_IRQ_SIO0_R].status = IRQ_DISABLED;
 320         irq_desc[M32R_IRQ_SIO0_R].chip = &m32700ut_irq_type;
 321         irq_desc[M32R_IRQ_SIO0_R].action = 0;
 322         irq_desc[M32R_IRQ_SIO0_R].depth = 1;
 323         icu_data[M32R_IRQ_SIO0_R].icucr = 0;
 324         disable_m32700ut_irq(M32R_IRQ_SIO0_R);
 325
 326         /* SIO0 : send */
 327         irq_desc[M32R_IRQ_SIO0_S].status = IRQ_DISABLED;
 328         irq_desc[M32R_IRQ_SIO0_S].chip = &m32700ut_irq_type;
 329         irq_desc[M32R_IRQ_SIO0_S].action = 0;
 330         irq_desc[M32R_IRQ_SIO0_S].depth = 1;
 331         icu_data[M32R_IRQ_SIO0_S].icucr = 0;
 332         disable_m32700ut_irq(M32R_IRQ_SIO0_S);
 333
 334         /* SIO1 : receive */
 335         irq_desc[M32R_IRQ_SIO1_R].status = IRQ_DISABLED;
 336         irq_desc[M32R_IRQ_SIO1_R].chip = &m32700ut_irq_type;
 337         irq_desc[M32R_IRQ_SIO1_R].action = 0;
 338         irq_desc[M32R_IRQ_SIO1_R].depth = 1;
 339         icu_data[M32R_IRQ_SIO1_R].icucr = 0;
 340         disable_m32700ut_irq(M32R_IRQ_SIO1_R);
 341
 342         /* SIO1 : send */
 343         irq_desc[M32R_IRQ_SIO1_S].status = IRQ_DISABLED;
 344         irq_desc[M32R_IRQ_SIO1_S].chip = &m32700ut_irq_type;
 345         irq_desc[M32R_IRQ_SIO1_S].action = 0;
 346         irq_desc[M32R_IRQ_SIO1_S].depth = 1;
 347         icu_data[M32R_IRQ_SIO1_S].icucr = 0;
 348         disable_m32700ut_irq(M32R_IRQ_SIO1_S);
 349
 350         /* DMA1 : */
 351         irq_desc[M32R_IRQ_DMA1].status = IRQ_DISABLED;
 352         irq_desc[M32R_IRQ_DMA1].chip = &m32700ut_irq_type;
 353         irq_desc[M32R_IRQ_DMA1].action = 0;
 354         irq_desc[M32R_IRQ_DMA1].depth = 1;
 355         icu_data[M32R_IRQ_DMA1].icucr = 0;
 356         disable_m32700ut_irq(M32R_IRQ_DMA1);
 357
 358 #ifdef CONFIG_SERIAL_M32R_PLDSIO
 359         /* INT#1: SIO0 Receive on PLD */
 360         irq_desc[PLD_IRQ_SIO0_RCV].status = IRQ_DISABLED;
 361         irq_desc[PLD_IRQ_SIO0_RCV].chip = &m32700ut_pld_irq_type;
 362         irq_desc[PLD_IRQ_SIO0_RCV].action = 0;
 363         irq_desc[PLD_IRQ_SIO0_RCV].depth = 1;   /* disable nested irq */
 364         pld_icu_data[irq2pldirq(PLD_IRQ_SIO0_RCV)].icucr = PLD_ICUCR_IEN|PLD_ICUCR_ISMOD03;
 365         disable_m32700ut_pld_irq(PLD_IRQ_SIO0_RCV);
 366
 367         /* INT#1: SIO0 Send on PLD */
 368         irq_desc[PLD_IRQ_SIO0_SND].status = IRQ_DISABLED;
 369         irq_desc[PLD_IRQ_SIO0_SND].chip = &m32700ut_pld_irq_type;
 370         irq_desc[PLD_IRQ_SIO0_SND].action = 0;
 371         irq_desc[PLD_IRQ_SIO0_SND].depth = 1;   /* disable nested irq */
 372         pld_icu_data[irq2pldirq(PLD_IRQ_SIO0_SND)].icucr = PLD_ICUCR_IEN|PLD_ICUCR_ISMOD03;
 373         disable_m32700ut_pld_irq(PLD_IRQ_SIO0_SND);
 374 #endif  /* CONFIG_SERIAL_M32R_PLDSIO */
 375
 376         /* INT#1: CFC IREQ on PLD */
 377         irq_desc[PLD_IRQ_CFIREQ].status = IRQ_DISABLED;
 378         irq_desc[PLD_IRQ_CFIREQ].chip = &m32700ut_pld_irq_type;
 379         irq_desc[PLD_IRQ_CFIREQ].action = 0;
 380         irq_desc[PLD_IRQ_CFIREQ].depth = 1;     /* disable nested irq */
 381         pld_icu_data[irq2pldirq(PLD_IRQ_CFIREQ)].icucr = PLD_ICUCR_IEN|PLD_ICUCR_ISMOD01;       /* 'L' level sense */
 382         disable_m32700ut_pld_irq(PLD_IRQ_CFIREQ);
 383
 384         /* INT#1: CFC Insert on PLD */
 385         irq_desc[PLD_IRQ_CFC_INSERT].status = IRQ_DISABLED;
 386         irq_desc[PLD_IRQ_CFC_INSERT].chip = &m32700ut_pld_irq_type;
 387         irq_desc[PLD_IRQ_CFC_INSERT].action = 0;
 388         irq_desc[PLD_IRQ_CFC_INSERT].depth = 1; /* disable nested irq */
 389         pld_icu_data[irq2pldirq(PLD_IRQ_CFC_INSERT)].icucr = PLD_ICUCR_IEN|PLD_ICUCR_ISMOD00;   /* 'L' edge sense */
 390         disable_m32700ut_pld_irq(PLD_IRQ_CFC_INSERT);
 391
 392         /* INT#1: CFC Eject on PLD */
 393         irq_desc[PLD_IRQ_CFC_EJECT].status = IRQ_DISABLED;
 394         irq_desc[PLD_IRQ_CFC_EJECT].chip = &m32700ut_pld_irq_type;
 395         irq_desc[PLD_IRQ_CFC_EJECT].action = 0;
 396         irq_desc[PLD_IRQ_CFC_EJECT].depth = 1;  /* disable nested irq */
 397         pld_icu_data[irq2pldirq(PLD_IRQ_CFC_EJECT)].icucr = PLD_ICUCR_IEN|PLD_ICUCR_ISMOD02;    /* 'H' edge sense */
 398         disable_m32700ut_pld_irq(PLD_IRQ_CFC_EJECT);
 399
 400         /*
 401          * INT0# is used for LAN, DIO
 402          * We enable it here.
 403          */
 404         icu_data[M32R_IRQ_INT0].icucr = M32R_ICUCR_IEN|M32R_ICUCR_ISMOD11;
 405         enable_m32700ut_irq(M32R_IRQ_INT0);
 406
 407         /*
 408          * INT1# is used for UART, MMC, CF Controller in FPGA.
 409          * We enable it here.
 410          */
 411         icu_data[M32R_IRQ_INT1].icucr = M32R_ICUCR_IEN|M32R_ICUCR_ISMOD11;
 412         enable_m32700ut_irq(M32R_IRQ_INT1);
 413
 414 #if defined(CONFIG_USB)
 415         outw(USBCR_OTGS, USBCR);        /* USBCR: non-OTG */
 416
 417     irq_desc[M32700UT_LCD_IRQ_USB_INT1].status = IRQ_DISABLED;
 418     irq_desc[M32700UT_LCD_IRQ_USB_INT1].chip = &m32700ut_lcdpld_irq_type;
 419     irq_desc[M32700UT_LCD_IRQ_USB_INT1].action = 0;
 420     irq_desc[M32700UT_LCD_IRQ_USB_INT1].depth = 1;
 421     lcdpld_icu_data[irq2lcdpldirq(M32700UT_LCD_IRQ_USB_INT1)].icucr = PLD_ICUCR_IEN|PLD_ICUCR_ISMOD01;  /* "L" level sense */
 422     disable_m32700ut_lcdpld_irq(M32700UT_LCD_IRQ_USB_INT1);
 423 #endif
 424         /*
 425          * INT2# is used for BAT, USB, AUDIO
 426          * We enable it here.
 427          */
 428         icu_data[M32R_IRQ_INT2].icucr = M32R_ICUCR_IEN|M32R_ICUCR_ISMOD01;
 429         enable_m32700ut_irq(M32R_IRQ_INT2);
 430
 431 #if defined(CONFIG_VIDEO_M32R_AR)
 432         /*
 433          * INT3# is used for AR
 434          */
 435         irq_desc[M32R_IRQ_INT3].status = IRQ_DISABLED;
 436         irq_desc[M32R_IRQ_INT3].chip = &m32700ut_irq_type;
 437         irq_desc[M32R_IRQ_INT3].action = 0;
 438         irq_desc[M32R_IRQ_INT3].depth = 1;
 439         icu_data[M32R_IRQ_INT3].icucr = M32R_ICUCR_IEN|M32R_ICUCR_ISMOD10;
 440         disable_m32700ut_irq(M32R_IRQ_INT3);
 441 #endif  /* CONFIG_VIDEO_M32R_AR */
 442 }
 443
 444 #if defined(CONFIG_SMC91X)
 445
 446 #define LAN_IOSTART     0x300
 447 #define LAN_IOEND       0x320
 448 static struct resource smc91x_resources[] = {
 449         [0] = {
 450                 .start  = (LAN_IOSTART),
 451                 .end    = (LAN_IOEND),
 452                 .flags  = IORESOURCE_MEM,
 453         },
 454         [1] = {
 455                 .start  = M32700UT_LAN_IRQ_LAN,
 456                 .end    = M32700UT_LAN_IRQ_LAN,
 457                 .flags  = IORESOURCE_IRQ,
 458         }
 459 };
 460
 461 static struct platform_device smc91x_device = {
 462         .name           = "smc91x",
 463         .id             = 0,
 464         .num_resources  = ARRAY_SIZE(smc91x_resources),
 465         .resource       = smc91x_resources,
 466 };
 467 #endif
 468
 469 #if defined(CONFIG_FB_S1D13XXX)
 470
 471 #include <video/s1d13xxxfb.h>
 472 #include <asm/s1d13806.h>
 473
 474 static struct s1d13xxxfb_pdata s1d13xxxfb_data = {
 475         .initregs               = s1d13xxxfb_initregs,
 476         .initregssize           = ARRAY_SIZE(s1d13xxxfb_initregs),
 477         .platform_init_video    = NULL,
 478 #ifdef CONFIG_PM
 479         .platform_suspend_video = NULL,
 480         .platform_resume_video  = NULL,
 481 #endif
 482 };
 483
 484 static struct resource s1d13xxxfb_resources[] = {
 485         [0] = {
 486                 .start  = 0x10600000UL,
 487                 .end    = 0x1073FFFFUL,
 488                 .flags  = IORESOURCE_MEM,
 489         },
 490         [1] = {
 491                 .start  = 0x10400000UL,
 492                 .end    = 0x104001FFUL,
 493                 .flags  = IORESOURCE_MEM,
 494         }
 495 };
 496
 497 static struct platform_device s1d13xxxfb_device = {
 498         .name           = S1D_DEVICENAME,
 499         .id             = 0,
 500         .dev            = {
 501                 .platform_data  = &s1d13xxxfb_data,
 502         },
 503         .num_resources  = ARRAY_SIZE(s1d13xxxfb_resources),
 504         .resource       = s1d13xxxfb_resources,
 505 };
 506 #endif
 507
 508 static int __init platform_init(void)
 509 {
 510 #if defined(CONFIG_SMC91X)
 511         platform_device_register(&smc91x_device);
 512 #endif
 513 #if defined(CONFIG_FB_S1D13XXX)
 514         platform_device_register(&s1d13xxxfb_device);
 515 #endif
 516         return 0;
 517 }
 518 arch_initcall(platform_init);